HttpTransact Class Reference

#include <HttpTransact.h>

Data Structures
struct	_CacheDirectives
struct	_CacheLookupInfo
struct	_CurrentInfo
struct	_DNSLookupInfo
struct	_HeaderInfo
struct	_RedirectInfo
struct	_SquidLogInfo
struct	ConnectionAttributes
struct	StatBlock
struct	State
struct	StatRecord_t
Public Types
enum	UrlRemapMode_t { URL_REMAP_DEFAULT = 0, URL_REMAP_ALL, URL_REMAP_FOR_OS }
enum	AbortState_t { ABORT_UNDEFINED = 0, DIDNOT_ABORT, MAYBE_ABORTED, ABORTED }
enum	Authentication_t { AUTHENTICATION_SUCCESS = 0, AUTHENTICATION_MUST_REVALIDATE, AUTHENTICATION_MUST_PROXY, AUTHENTICATION_CACHE_AUTH }
enum	CacheAction_t {   CACHE_DO_UNDEFINED = 0, CACHE_DO_NO_ACTION, CACHE_DO_DELETE, CACHE_DO_LOOKUP,   CACHE_DO_REPLACE, CACHE_DO_SERVE, CACHE_DO_SERVE_AND_DELETE, CACHE_DO_SERVE_AND_UPDATE,   CACHE_DO_UPDATE, CACHE_DO_WRITE, CACHE_PREPARE_TO_DELETE, CACHE_PREPARE_TO_UPDATE,   CACHE_PREPARE_TO_WRITE, TOTAL_CACHE_ACTION_TYPES }
enum	CacheWriteLock_t { CACHE_WL_INIT, CACHE_WL_SUCCESS, CACHE_WL_FAIL, CACHE_WL_READ_RETRY }
enum	ClientTransactionResult_t {   CLIENT_TRANSACTION_RESULT_UNDEFINED, CLIENT_TRANSACTION_RESULT_HIT_FRESH, CLIENT_TRANSACTION_RESULT_HIT_REVALIDATED, CLIENT_TRANSACTION_RESULT_MISS_COLD,   CLIENT_TRANSACTION_RESULT_MISS_CHANGED, CLIENT_TRANSACTION_RESULT_MISS_CLIENT_NO_CACHE, CLIENT_TRANSACTION_RESULT_MISS_UNCACHABLE, CLIENT_TRANSACTION_RESULT_ERROR_ABORT,   CLIENT_TRANSACTION_RESULT_ERROR_POSSIBLE_ABORT, CLIENT_TRANSACTION_RESULT_ERROR_CONNECT_FAIL, CLIENT_TRANSACTION_RESULT_ERROR_OTHER }
enum	Freshness_t { FRESHNESS_FRESH = 0, FRESHNESS_WARNING, FRESHNESS_STALE }
enum	HostNameExpansionError_t {   RETRY_EXPANDED_NAME, EXPANSION_FAILED, EXPANSION_NOT_ALLOWED, DNS_ATTEMPTS_EXHAUSTED,   NO_PARENT_PROXY_EXPANSION, TOTAL_HOST_NAME_EXPANSION_TYPES }
enum	HttpTransactMagic_t { HTTP_TRANSACT_MAGIC_ALIVE = 0x00001234, HTTP_TRANSACT_MAGIC_DEAD = 0xDEAD1234, HTTP_TRANSACT_MAGIC_SEPARATOR = 0x12345678 }
enum	LookingUp_t {   ORIGIN_SERVER, UNDEFINED_LOOKUP, ICP_SUGGESTED_HOST, PARENT_PROXY,   INCOMING_ROUTER, HOST_NONE }
enum	ProxyMode_t { UNDEFINED_MODE, GENERIC_PROXY, TUNNELLING_PROXY }
enum	RequestError_t {   NO_REQUEST_HEADER_ERROR, BAD_HTTP_HEADER_SYNTAX, BAD_CONNECT_PORT, FAILED_PROXY_AUTHORIZATION,   METHOD_NOT_SUPPORTED, MISSING_HOST_FIELD, NO_POST_CONTENT_LENGTH, NO_REQUEST_SCHEME,   NON_EXISTANT_REQUEST_HEADER, SCHEME_NOT_SUPPORTED, UNACCEPTABLE_TE_REQUIRED, INVALID_POST_CONTENT_LENGTH,   TOTAL_REQUEST_ERROR_TYPES }
enum	ResponseError_t {   NO_RESPONSE_HEADER_ERROR, BOGUS_OR_NO_DATE_IN_RESPONSE, CONNECTION_OPEN_FAILED, MISSING_REASON_PHRASE,   MISSING_STATUS_CODE, NON_EXISTANT_RESPONSE_HEADER, NOT_A_RESPONSE_HEADER, STATUS_CODE_SERVER_ERROR,   TOTAL_RESPONSE_ERROR_TYPES }
enum	ServerState_t {   STATE_UNDEFINED = 0, ACTIVE_TIMEOUT, BAD_INCOMING_RESPONSE, CONNECTION_ALIVE,   CONNECTION_CLOSED, CONNECTION_ERROR, INACTIVE_TIMEOUT, OPEN_RAW_ERROR,   PARSE_ERROR, TRANSACTION_COMPLETE, CONGEST_CONTROL_CONGESTED_ON_F, CONGEST_CONTROL_CONGESTED_ON_M }
enum	CacheWriteStatus_t {   NO_CACHE_WRITE = 0, CACHE_WRITE_LOCK_MISS, CACHE_WRITE_IN_PROGRESS, CACHE_WRITE_ERROR,   CACHE_WRITE_COMPLETE }
enum	HttpRequestFlavor_t { REQ_FLAVOR_INTERCEPTED = 0, REQ_FLAVOR_REVPROXY = 1, REQ_FLAVOR_FWDPROXY = 2, REQ_FLAVOR_SCHEDULED_UPDATE = 3 }
enum	Source_t {   SOURCE_NONE = 0, SOURCE_HTTP_ORIGIN_SERVER, SOURCE_RAW_ORIGIN_SERVER, SOURCE_CACHE,   SOURCE_TRANSFORM, SOURCE_INTERNAL }
enum	StateMachineAction_t {   SM_ACTION_UNDEFINED = 0, SM_ACTION_DNS_LOOKUP, SM_ACTION_DNS_REVERSE_LOOKUP, SM_ACTION_CACHE_LOOKUP,   SM_ACTION_CACHE_ISSUE_WRITE, SM_ACTION_CACHE_ISSUE_WRITE_TRANSFORM, SM_ACTION_CACHE_PREPARE_UPDATE, SM_ACTION_CACHE_ISSUE_UPDATE,   SM_ACTION_ICP_QUERY, SM_ACTION_ORIGIN_SERVER_OPEN, SM_ACTION_ORIGIN_SERVER_RAW_OPEN, SM_ACTION_ORIGIN_SERVER_RR_MARK_DOWN,   SM_ACTION_READ_PUSH_HDR, SM_ACTION_STORE_PUSH_BODY, SM_ACTION_INTERNAL_CACHE_DELETE, SM_ACTION_INTERNAL_CACHE_NOOP,   SM_ACTION_INTERNAL_CACHE_UPDATE_HEADERS, SM_ACTION_INTERNAL_CACHE_WRITE, SM_ACTION_INTERNAL_100_RESPONSE, SM_ACTION_INTERNAL_REQUEST,   SM_ACTION_SEND_ERROR_CACHE_NOOP, SM_ACTION_SERVE_FROM_CACHE, SM_ACTION_SERVER_READ, SM_ACTION_SERVER_PARSE_NEXT_HDR,   SM_ACTION_TRANSFORM_READ, SM_ACTION_SSL_TUNNEL, SM_ACTION_CONTINUE, SM_ACTION_API_SM_START,   SM_ACTION_API_READ_REQUEST_HDR, SM_ACTION_API_PRE_REMAP, SM_ACTION_API_POST_REMAP, SM_ACTION_API_OS_DNS,   SM_ACTION_API_SEND_REQUEST_HDR, SM_ACTION_API_READ_CACHE_HDR, SM_ACTION_API_CACHE_LOOKUP_COMPLETE, SM_ACTION_API_READ_RESPONSE_HDR,   SM_ACTION_API_SEND_RESPONSE_HDR, SM_ACTION_API_SM_SHUTDOWN, SM_ACTION_REMAP_REQUEST, SM_ACTION_POST_REMAP_SKIP,   SM_ACTION_REDIRECT_READ }
enum	TransferEncoding_t { NO_TRANSFER_ENCODING = 0, CHUNKED_ENCODING, DEFLATE_ENCODING }
enum	Variability_t { VARIABILITY_NONE = 0, VARIABILITY_SOME, VARIABILITY_ALL }
enum	CacheLookupResult_t {   CACHE_LOOKUP_NONE, CACHE_LOOKUP_MISS, CACHE_LOOKUP_DOC_BUSY, CACHE_LOOKUP_HIT_STALE,   CACHE_LOOKUP_HIT_WARNING, CACHE_LOOKUP_HIT_FRESH, CACHE_LOOKUP_SKIPPED }
enum	UpdateCachedObject_t {   UPDATE_CACHED_OBJECT_NONE, UPDATE_CACHED_OBJECT_PREPARE, UPDATE_CACHED_OBJECT_CONTINUE, UPDATE_CACHED_OBJECT_ERROR,   UPDATE_CACHED_OBJECT_SUCCEED, UPDATE_CACHED_OBJECT_FAIL }
enum	LockUrl_t {   LOCK_URL_FIRST = 0, LOCK_URL_SECOND, LOCK_URL_ORIGINAL, LOCK_URL_DONE,   LOCK_URL_QUIT }
enum	RangeSetup_t {   RANGE_NONE = 0, RANGE_REQUESTED, RANGE_NOT_SATISFIABLE, RANGE_NOT_HANDLED,   RANGE_NOT_TRANSFORM_REQUESTED }
enum	CacheAuth_t { CACHE_AUTH_NONE = 0, CACHE_AUTH_FRESH, CACHE_AUTH_STALE, CACHE_AUTH_SERVE }
typedef void(*	TransactFunc_t )(HttpTransact::State *)
typedef struct HttpTransact::_CacheDirectives	CacheDirectives
typedef struct HttpTransact::_CacheLookupInfo	CacheLookupInfo
typedef struct HttpTransact::_RedirectInfo	RedirectInfo
typedef struct HttpTransact::_CurrentInfo	CurrentInfo
typedef struct HttpTransact::_DNSLookupInfo	DNSLookupInfo
typedef struct HttpTransact::_HeaderInfo	HeaderInfo
typedef struct HttpTransact::_SquidLogInfo	SquidLogInfo
Static Public Member Functions
static void	HandleBlindTunnel (State *s)
static void	StartRemapRequest (State *s)
static void	RemapRequest (State *s)
static void	EndRemapRequest (State *s)
static void	PerformRemap (State *s)
static void	ModifyRequest (State *s)
static void	HandleRequest (State *s)
static bool	handleIfRedirect (State *s)
static void	StartAccessControl (State *s)
static void	StartAuth (State *s)
static void	HandleRequestAuthorized (State *s)
static void	BadRequest (State *s)
static void	HandleFiltering (State *s)
static void	DecideCacheLookup (State *s)
static void	LookupSkipOpenServer (State *s)
static void	CallOSDNSLookup (State *s)
static void	OSDNSLookup (State *s)
static void	ReDNSRoundRobin (State *s)
static void	PPDNSLookup (State *s)
static void	HandleAuth (State *s)
static void	HandleAuthFailed (State *s)
static void	OriginServerRawOpen (State *s)
static void	HandleCacheOpenRead (State *s)
static void	HandleCacheOpenReadHitFreshness (State *s)
static void	HandleCacheOpenReadHit (State *s)
static void	HandleCacheOpenReadMiss (State *s)
static void	build_response_from_cache (State *s, HTTPWarningCode warning_code)
static void	handle_cache_write_lock (State *s)
static void	HandleICPLookup (State *s)
static void	HandleResponse (State *s)
static void	HandleUpdateCachedObject (State *s)
static void	HandleUpdateCachedObjectContinue (State *s)
static void	HandleStatPage (State *s)
static void	handle_100_continue_response (State *s)
static void	handle_transform_ready (State *s)
static void	handle_transform_cache_write (State *s)
static void	handle_response_from_icp_suggested_host (State *s)
static void	handle_response_from_parent (State *s)
static void	handle_response_from_server (State *s)
static void	delete_server_rr_entry (State *s, int max_retries)
static void	retry_server_connection_not_open (State *s, ServerState_t conn_state, int max_retries)
static void	handle_server_connection_not_open (State *s)
static void	handle_forward_server_connection_open (State *s)
static void	handle_cache_operation_on_forward_server_response (State *s)
static void	handle_no_cache_operation_on_forward_server_response (State *s)
static void	merge_and_update_headers_for_cache_update (State *s)
static void	set_headers_for_cache_write (State *s, HTTPInfo *cache_info, HTTPHdr *request, HTTPHdr *response)
static void	set_header_for_transform (State *s, HTTPHdr *base_header)
static void	merge_response_header_with_cached_header (HTTPHdr *cached_header, HTTPHdr *response_header)
static void	merge_warning_header (HTTPHdr *cached_header, HTTPHdr *response_header)
static void	SetCacheFreshnessLimit (State *s)
static void	HandleApiErrorJump (State *)
static void	handle_websocket_upgrade_pre_remap (State *s)
static void	handle_websocket_upgrade_post_remap (State *s)
static bool	handle_upgrade_request (State *s)
static void	handle_websocket_connection (State *s)
static void	HandleCacheOpenReadPush (State *s, bool read_successful)
static void	HandlePushResponseHdr (State *s)
static void	HandlePushCacheWrite (State *s)
static void	HandlePushTunnelSuccess (State *s)
static void	HandlePushTunnelFailure (State *s)
static void	HandlePushError (State *s, const char *reason)
static void	HandleBadPushRespHdr (State *s)
static void	issue_revalidate (State *s)
static void	get_ka_info_from_host_db (State *s, ConnectionAttributes *server_info, ConnectionAttributes *client_info, HostDBInfo *host_db_info)
static bool	service_transaction_in_proxy_only_mode (State *s)
static void	setup_plugin_request_intercept (State *s)
static void	add_client_ip_to_outgoing_request (State *s, HTTPHdr *request)
static RequestError_t	check_request_validity (State *s, HTTPHdr *incoming_hdr)
static ResponseError_t	check_response_validity (State *s, HTTPHdr *incoming_hdr)
static bool	delete_all_document_alternates_and_return (State *s, bool cache_hit)
static bool	did_forward_server_send_0_9_response (State *s)
static bool	does_client_request_permit_cached_response (const OverridableHttpConfigParams *p, CacheControlResult *c, HTTPHdr *h, char *via_string)
static bool	does_client_request_permit_dns_caching (CacheControlResult *c, HTTPHdr *h)
static bool	does_client_request_permit_storing (CacheControlResult *c, HTTPHdr *h)
static bool	handle_internal_request (State *s, HTTPHdr *incoming_hdr)
static bool	handle_trace_and_options_requests (State *s, HTTPHdr *incoming_hdr)
static void	bootstrap_state_variables_from_request (State *s, HTTPHdr *incoming_request)
static void	initialize_state_variables_for_origin_server (State *s, HTTPHdr *incoming_request, bool second_time)
static void	initialize_state_variables_from_request (State *s, HTTPHdr *obsolete_incoming_request)
static void	initialize_state_variables_from_response (State *s, HTTPHdr *incoming_response)
static bool	is_server_negative_cached (State *s)
static bool	is_cache_response_returnable (State *s)
static bool	is_stale_cache_response_returnable (State *s)
static bool	need_to_revalidate (State *s)
static bool	url_looks_dynamic (URL *url)
static bool	is_request_cache_lookupable (State *s)
static bool	is_request_valid (State *s, HTTPHdr *incoming_request)
static bool	is_request_retryable (State *s)
static bool	is_response_cacheable (State *s, HTTPHdr *request, HTTPHdr *response)
static bool	is_response_valid (State *s, HTTPHdr *incoming_response)
static void	process_quick_http_filter (State *s, int method)
static bool	perform_accept_encoding_filtering (State *s)
static HostNameExpansionError_t	try_to_expand_host_name (State *s)
static bool	setup_auth_lookup (State *s)
static bool	will_this_request_self_loop (State *s)
static bool	is_request_likely_cacheable (State *s, HTTPHdr *request)
static void	build_request (State *s, HTTPHdr *base_request, HTTPHdr *outgoing_request, HTTPVersion outgoing_version)
static void	build_response (State *s, HTTPHdr *base_response, HTTPHdr *outgoing_response, HTTPVersion outgoing_version, HTTPStatus status_code, const char *reason_phrase=NULL)
static void	build_response (State *s, HTTPHdr *base_response, HTTPHdr *outgoing_response, HTTPVersion outgoing_version)
static void	build_response (State *s, HTTPHdr *outgoing_response, HTTPVersion outgoing_version, HTTPStatus status_code, const char *reason_phrase=NULL)
static void	build_response_copy (State *s, HTTPHdr *base_response, HTTPHdr *outgoing_response, HTTPVersion outgoing_version)
static void	handle_content_length_header (State *s, HTTPHdr *header, HTTPHdr *base)
static void	change_response_header_because_of_range_request (State *s, HTTPHdr *header)
static void	handle_request_keep_alive_headers (State *s, HTTPVersion ver, HTTPHdr *heads)
static void	handle_response_keep_alive_headers (State *s, HTTPVersion ver, HTTPHdr *heads)
static int	calculate_document_freshness_limit (State *s, HTTPHdr *response, time_t response_date, bool *heuristic)
static int	calculate_freshness_fuzz (State *s, int fresh_limit)
static Freshness_t	what_is_document_freshness (State *s, HTTPHdr *client_request, HTTPHdr *cached_obj_response)
static Authentication_t	AuthenticationNeeded (const OverridableHttpConfigParams *p, HTTPHdr *client_request, HTTPHdr *obj_response)
static void	handle_parent_died (State *s)
static void	handle_server_died (State *s)
static void	build_error_response (State *s, HTTPStatus status_code, const char *reason_phrase_or_null, const char *error_body_type, const char *format,...)
static void	build_redirect_response (State *s)
static const char *	get_error_string (int erno)
static void	update_stat (State *s, int stat, ink_statval_t increment)
static void	update_size_and_time_stats (State *s, ink_hrtime total_time, ink_hrtime user_agent_write_time, ink_hrtime origin_server_read_time, int user_agent_request_header_size, int64_t user_agent_request_body_size, int user_agent_response_header_size, int64_t user_agent_response_body_size, int origin_server_request_header_size, int64_t origin_server_request_body_size, int origin_server_response_header_size, int64_t origin_server_response_body_size, int pushed_response_header_size, int64_t pushed_response_body_size)
static void	histogram_request_document_size (State *s, int64_t size)
static void	histogram_response_document_size (State *s, int64_t size)
static void	user_agent_connection_speed (State *s, ink_hrtime transfer_time, int64_t nbytes)
static void	origin_server_connection_speed (State *s, ink_hrtime transfer_time, int64_t nbytes)
static void	client_result_stat (State *s, ink_hrtime total_time, ink_hrtime request_process_time)
static void	add_new_stat_block (State *s)
static void	delete_warning_value (HTTPHdr *to_warn, HTTPWarningCode warning_code)
static bool	is_connection_collapse_checks_success (State *s)

---

Detailed Description

Definition at line 268 of file HttpTransact.h.

---

Member Typedef Documentation

typedef struct HttpTransact::_CacheDirectives HttpTransact::CacheDirectives

typedef struct HttpTransact::_CacheLookupInfo HttpTransact::CacheLookupInfo

typedef struct HttpTransact::_CurrentInfo HttpTransact::CurrentInfo

typedef struct HttpTransact::_DNSLookupInfo HttpTransact::DNSLookupInfo

typedef struct HttpTransact::_HeaderInfo HttpTransact::HeaderInfo

typedef struct HttpTransact::_RedirectInfo HttpTransact::RedirectInfo

typedef struct HttpTransact::_SquidLogInfo HttpTransact::SquidLogInfo

typedef void(* HttpTransact::TransactFunc_t)(HttpTransact::State *)

Definition at line 607 of file HttpTransact.h.

---

Member Enumeration Documentation

enum HttpTransact::AbortState_t

Enumerator:

ABORT_UNDEFINED
DIDNOT_ABORT
MAYBE_ABORTED
ABORTED

Definition at line 278 of file HttpTransact.h.

enum HttpTransact::Authentication_t

Enumerator:

AUTHENTICATION_SUCCESS
AUTHENTICATION_MUST_REVALIDATE
AUTHENTICATION_MUST_PROXY
AUTHENTICATION_CACHE_AUTH

Definition at line 286 of file HttpTransact.h.

enum HttpTransact::CacheAction_t

Enumerator:

CACHE_DO_UNDEFINED
CACHE_DO_NO_ACTION
CACHE_DO_DELETE
CACHE_DO_LOOKUP
CACHE_DO_REPLACE
CACHE_DO_SERVE
CACHE_DO_SERVE_AND_DELETE
CACHE_DO_SERVE_AND_UPDATE
CACHE_DO_UPDATE
CACHE_DO_WRITE
CACHE_PREPARE_TO_DELETE
CACHE_PREPARE_TO_UPDATE
CACHE_PREPARE_TO_WRITE
TOTAL_CACHE_ACTION_TYPES

Definition at line 294 of file HttpTransact.h.

enum HttpTransact::CacheAuth_t

Enumerator:

CACHE_AUTH_NONE
CACHE_AUTH_FRESH
CACHE_AUTH_STALE
CACHE_AUTH_SERVE

Definition at line 576 of file HttpTransact.h.

enum HttpTransact::CacheLookupResult_t

Enumerator:

CACHE_LOOKUP_NONE
CACHE_LOOKUP_MISS
CACHE_LOOKUP_DOC_BUSY
CACHE_LOOKUP_HIT_STALE
CACHE_LOOKUP_HIT_WARNING
CACHE_LOOKUP_HIT_FRESH
CACHE_LOOKUP_SKIPPED

Definition at line 537 of file HttpTransact.h.

enum HttpTransact::CacheWriteLock_t

Enumerator:

CACHE_WL_INIT
CACHE_WL_SUCCESS
CACHE_WL_FAIL
CACHE_WL_READ_RETRY

Definition at line 312 of file HttpTransact.h.

enum HttpTransact::CacheWriteStatus_t

Enumerator:

NO_CACHE_WRITE
CACHE_WRITE_LOCK_MISS
CACHE_WRITE_IN_PROGRESS
CACHE_WRITE_ERROR
CACHE_WRITE_COMPLETE

Definition at line 424 of file HttpTransact.h.

enum HttpTransact::ClientTransactionResult_t

Enumerator:

CLIENT_TRANSACTION_RESULT_UNDEFINED
CLIENT_TRANSACTION_RESULT_HIT_FRESH
CLIENT_TRANSACTION_RESULT_HIT_REVALIDATED
CLIENT_TRANSACTION_RESULT_MISS_COLD
CLIENT_TRANSACTION_RESULT_MISS_CHANGED
CLIENT_TRANSACTION_RESULT_MISS_CLIENT_NO_CACHE
CLIENT_TRANSACTION_RESULT_MISS_UNCACHABLE
CLIENT_TRANSACTION_RESULT_ERROR_ABORT
CLIENT_TRANSACTION_RESULT_ERROR_POSSIBLE_ABORT
CLIENT_TRANSACTION_RESULT_ERROR_CONNECT_FAIL
CLIENT_TRANSACTION_RESULT_ERROR_OTHER

Definition at line 320 of file HttpTransact.h.

enum HttpTransact::Freshness_t

Enumerator:

FRESHNESS_FRESH
FRESHNESS_WARNING
FRESHNESS_STALE

Definition at line 335 of file HttpTransact.h.

enum HttpTransact::HostNameExpansionError_t

Enumerator:

RETRY_EXPANDED_NAME
EXPANSION_FAILED
EXPANSION_NOT_ALLOWED
DNS_ATTEMPTS_EXHAUSTED
NO_PARENT_PROXY_EXPANSION
TOTAL_HOST_NAME_EXPANSION_TYPES

Definition at line 342 of file HttpTransact.h.

enum HttpTransact::HttpRequestFlavor_t

Enumerator:

REQ_FLAVOR_INTERCEPTED
REQ_FLAVOR_REVPROXY
REQ_FLAVOR_FWDPROXY
REQ_FLAVOR_SCHEDULED_UPDATE

Definition at line 433 of file HttpTransact.h.

enum HttpTransact::HttpTransactMagic_t

Enumerator:

HTTP_TRANSACT_MAGIC_ALIVE
HTTP_TRANSACT_MAGIC_DEAD
HTTP_TRANSACT_MAGIC_SEPARATOR

Definition at line 352 of file HttpTransact.h.

enum HttpTransact::LockUrl_t

Enumerator:

LOCK_URL_FIRST
LOCK_URL_SECOND
LOCK_URL_ORIGINAL
LOCK_URL_DONE
LOCK_URL_QUIT

Definition at line 558 of file HttpTransact.h.

enum HttpTransact::LookingUp_t

Enumerator:

ORIGIN_SERVER
UNDEFINED_LOOKUP
ICP_SUGGESTED_HOST
PARENT_PROXY
INCOMING_ROUTER
HOST_NONE

Definition at line 359 of file HttpTransact.h.

enum HttpTransact::ProxyMode_t

Enumerator:

UNDEFINED_MODE
GENERIC_PROXY
TUNNELLING_PROXY

Definition at line 369 of file HttpTransact.h.

enum HttpTransact::RangeSetup_t

Enumerator:

RANGE_NONE
RANGE_REQUESTED
RANGE_NOT_SATISFIABLE
RANGE_NOT_HANDLED
RANGE_NOT_TRANSFORM_REQUESTED

Definition at line 567 of file HttpTransact.h.

enum HttpTransact::RequestError_t

Enumerator:

NO_REQUEST_HEADER_ERROR
BAD_HTTP_HEADER_SYNTAX
BAD_CONNECT_PORT
FAILED_PROXY_AUTHORIZATION
METHOD_NOT_SUPPORTED
MISSING_HOST_FIELD
NO_POST_CONTENT_LENGTH
NO_REQUEST_SCHEME
NON_EXISTANT_REQUEST_HEADER
SCHEME_NOT_SUPPORTED
UNACCEPTABLE_TE_REQUIRED
INVALID_POST_CONTENT_LENGTH
TOTAL_REQUEST_ERROR_TYPES

Definition at line 376 of file HttpTransact.h.

enum HttpTransact::ResponseError_t

Enumerator:

NO_RESPONSE_HEADER_ERROR
BOGUS_OR_NO_DATE_IN_RESPONSE
CONNECTION_OPEN_FAILED
MISSING_REASON_PHRASE
MISSING_STATUS_CODE
NON_EXISTANT_RESPONSE_HEADER
NOT_A_RESPONSE_HEADER
STATUS_CODE_SERVER_ERROR
TOTAL_RESPONSE_ERROR_TYPES

Definition at line 393 of file HttpTransact.h.

enum HttpTransact::ServerState_t

Enumerator:

STATE_UNDEFINED
ACTIVE_TIMEOUT
BAD_INCOMING_RESPONSE
CONNECTION_ALIVE
CONNECTION_CLOSED
CONNECTION_ERROR
INACTIVE_TIMEOUT
OPEN_RAW_ERROR
PARSE_ERROR
TRANSACTION_COMPLETE
CONGEST_CONTROL_CONGESTED_ON_F
CONGEST_CONTROL_CONGESTED_ON_M

Definition at line 408 of file HttpTransact.h.

enum HttpTransact::Source_t

Enumerator:

SOURCE_NONE
SOURCE_HTTP_ORIGIN_SERVER
SOURCE_RAW_ORIGIN_SERVER
SOURCE_CACHE
SOURCE_TRANSFORM
SOURCE_INTERNAL

Definition at line 444 of file HttpTransact.h.

enum HttpTransact::StateMachineAction_t

Enumerator:

SM_ACTION_UNDEFINED
SM_ACTION_DNS_LOOKUP
SM_ACTION_DNS_REVERSE_LOOKUP
SM_ACTION_CACHE_LOOKUP
SM_ACTION_CACHE_ISSUE_WRITE
SM_ACTION_CACHE_ISSUE_WRITE_TRANSFORM
SM_ACTION_CACHE_PREPARE_UPDATE
SM_ACTION_CACHE_ISSUE_UPDATE
SM_ACTION_ICP_QUERY
SM_ACTION_ORIGIN_SERVER_OPEN
SM_ACTION_ORIGIN_SERVER_RAW_OPEN
SM_ACTION_ORIGIN_SERVER_RR_MARK_DOWN
SM_ACTION_READ_PUSH_HDR
SM_ACTION_STORE_PUSH_BODY
SM_ACTION_INTERNAL_CACHE_DELETE
SM_ACTION_INTERNAL_CACHE_NOOP
SM_ACTION_INTERNAL_CACHE_UPDATE_HEADERS
SM_ACTION_INTERNAL_CACHE_WRITE
SM_ACTION_INTERNAL_100_RESPONSE
SM_ACTION_INTERNAL_REQUEST
SM_ACTION_SEND_ERROR_CACHE_NOOP
SM_ACTION_SERVE_FROM_CACHE
SM_ACTION_SERVER_READ
SM_ACTION_SERVER_PARSE_NEXT_HDR
SM_ACTION_TRANSFORM_READ
SM_ACTION_SSL_TUNNEL
SM_ACTION_CONTINUE
SM_ACTION_API_SM_START
SM_ACTION_API_READ_REQUEST_HDR
SM_ACTION_API_PRE_REMAP
SM_ACTION_API_POST_REMAP
SM_ACTION_API_OS_DNS
SM_ACTION_API_SEND_REQUEST_HDR
SM_ACTION_API_READ_CACHE_HDR
SM_ACTION_API_CACHE_LOOKUP_COMPLETE
SM_ACTION_API_READ_RESPONSE_HDR
SM_ACTION_API_SEND_RESPONSE_HDR
SM_ACTION_API_SM_SHUTDOWN
SM_ACTION_REMAP_REQUEST
SM_ACTION_POST_REMAP_SKIP
SM_ACTION_REDIRECT_READ

Definition at line 458 of file HttpTransact.h.

enum HttpTransact::TransferEncoding_t

Enumerator:

NO_TRANSFER_ENCODING
CHUNKED_ENCODING
DEFLATE_ENCODING

Definition at line 517 of file HttpTransact.h.

enum HttpTransact::UpdateCachedObject_t

Enumerator:

UPDATE_CACHED_OBJECT_NONE
UPDATE_CACHED_OBJECT_PREPARE
UPDATE_CACHED_OBJECT_CONTINUE
UPDATE_CACHED_OBJECT_ERROR
UPDATE_CACHED_OBJECT_SUCCEED
UPDATE_CACHED_OBJECT_FAIL

Definition at line 548 of file HttpTransact.h.

enum HttpTransact::UrlRemapMode_t

Enumerator:

URL_REMAP_DEFAULT
URL_REMAP_ALL
URL_REMAP_FOR_OS

Definition at line 271 of file HttpTransact.h.

enum HttpTransact::Variability_t

Enumerator:

VARIABILITY_NONE
VARIABILITY_SOME
VARIABILITY_ALL

Definition at line 524 of file HttpTransact.h.

---

Member Function Documentation

void HttpTransact::add_client_ip_to_outgoing_request	(	State *	s,
		HTTPHdr *	request
	)			[static]

Definition at line 5077 of file HttpTransact.cc.

References HttpTransact::ConnectionAttributes::addr, OverridableHttpConfigParams::anonymize_insert_client_ip, OverridableHttpConfigParams::anonymize_remove_client_ip, ats_ip_ntop(), ats_is_ip(), HttpTransact::State::client_info, DebugTxn, MIMEHdr::field_find(), MIMEHdr::field_value_append(), OverridableHttpConfigParams::insert_squid_x_forwarded_for, MIME_FIELD_CLIENT_IP, MIME_FIELD_X_FORWARDED_FOR, MIME_LEN_CLIENT_IP, MIME_LEN_X_FORWARDED_FOR, MIME_PRESENCE_CLIENT_IP, MIMEHdr::presence(), IpEndpoint::sa, HttpTransact::State::txn_conf, and MIMEHdr::value_set().

Referenced by build_request().

void HttpTransact::add_new_stat_block

(

State *

s

)

[static]

Definition at line 8723 of file HttpTransact.cc.

References Arena::alloc(), HttpTransact::State::arena, HttpTransact::State::current_stats, DebugTxn, HttpTransact::StatBlock::init(), ink_assert, HttpTransact::StatBlock::next, HttpTransact::StatBlock::next_insert, and StatBlockEntries.

Referenced by update_stat().

HttpTransact::Authentication_t HttpTransact::AuthenticationNeeded	(	const OverridableHttpConfigParams *	p,
		HTTPHdr *	client_request,
		HTTPHdr *	obj_response
	)			[static]

Definition at line 7449 of file HttpTransact.cc.

References AUTHENTICATION_CACHE_AUTH, AUTHENTICATION_SUCCESS, OverridableHttpConfigParams::cache_ignore_auth, MIMEHdr::field_find(), HTTP_VALUE_MUST_REVALIDATE, HTTP_VALUE_PROXY_REVALIDATE, HTTP_VALUE_PUBLIC, HTTP_WKSIDX_GET, HTTPHdr::is_cache_control_set(), HTTPHdr::method_get_wksidx(), MIME_PRESENCE_AUTHORIZATION, and MIMEHdr::presence().

Referenced by HandleCacheOpenReadHit(), is_stale_cache_response_returnable(), and need_to_revalidate().

void HttpTransact::BadRequest

(

State *

s

)

[static]

Definition at line 588 of file HttpTransact.cc.

References bootstrap_state_variables_from_request(), build_error_response(), HttpTransact::_HeaderInfo::client_request, DebugTxn, HttpTransact::State::hdr_info, HTTP_STATUS_BAD_REQUEST, SM_ACTION_SEND_ERROR_CACHE_NOOP, and TRANSACT_RETURN.

Referenced by HttpSM::state_read_client_request_header().

void HttpTransact::bootstrap_state_variables_from_request	(	State *	s,
		HTTPHdr *	incoming_request
	)			[static]

Definition at line 5466 of file HttpTransact.cc.

References HttpTransact::State::client_info, HttpTransact::State::client_request_time, HttpTransact::State::current, HttpTransact::ConnectionAttributes::http_version, ink_cluster_time(), HttpTransact::_CurrentInfo::now, and HTTPHdr::version_get().

Referenced by BadRequest(), HandleBlindTunnel(), and ModifyRequest().

void HttpTransact::build_error_response	(	State *	s,
		HTTPStatus	status_code,
		const char *	reason_phrase_or_null,
		const char *	error_body_type,
		const char *	format,
			...
	)			[static]

Definition at line 7948 of file HttpTransact.cc.

References HttpTransact::ConnectionAttributes::addr, HttpTransact::State::arena, ats_ip_ntop(), build_response(), HttpTransact::State::cause_of_death_errno, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpSM::client_request_body_bytes, HttpTransact::_HeaderInfo::client_response, CongestionEntry::client_retry_after(), HttpTransact::State::congestion_control_crat, CONNECTION_ERROR, HttpTransact::State::current, Log::error(), HttpConfigParams::errors_log_error_pages, HttpBodyFactory::fabricate_with_old_api(), MIMEHdr::field_delete(), HttpTransact::State::free_internal_msg_buffer(), get_error_string(), HttpTransact::State::hdr_info, HttpTransact::State::http_config_param, http_hdr_reason_lookup(), HTTP_STATUS_BAD_GATEWAY, HTTP_STATUS_BAD_REQUEST, HTTP_STATUS_FORBIDDEN, HTTP_STATUS_GATEWAY_TIMEOUT, HTTP_STATUS_HTTPVER_NOT_SUPPORTED, HTTP_STATUS_INTERNAL_SERVER_ERROR, HTTP_STATUS_MOVED_PERMANENTLY, HTTP_STATUS_MOVED_TEMPORARILY, HTTP_STATUS_NOT_FOUND, HTTP_STATUS_PROXY_AUTHENTICATION_REQUIRED, HTTP_STATUS_SERVICE_UNAVAILABLE, HTTP_STATUS_TEMPORARY_REDIRECT, HTTP_STATUS_UNAUTHORIZED, HttpTransact::ConnectionAttributes::http_version, HTTP_WKSIDX_CONNECT, HttpTransact::State::internal_msg_buffer, HttpTransact::State::internal_msg_buffer_fast_allocator_size, HttpTransact::State::internal_msg_buffer_index, HttpTransact::State::internal_msg_buffer_size, HttpTransact::ConnectionAttributes::keep_alive, HttpTransact::State::method, MIME_FIELD_CACHE_CONTROL, MIME_FIELD_CONTENT_LANGUAGE, MIME_FIELD_CONTENT_TYPE, MIME_FIELD_EXPIRES, MIME_FIELD_LAST_MODIFIED, MIME_FIELD_LOCATION, MIME_FIELD_PROXY_CONNECTION, MIME_FIELD_RETRY_AFTER, MIME_FIELD_USER_AGENT, MIME_LEN_CACHE_CONTROL, MIME_LEN_CONTENT_LANGUAGE, MIME_LEN_CONTENT_TYPE, MIME_LEN_EXPIRES, MIME_LEN_LAST_MODIFIED, MIME_LEN_LOCATION, MIME_LEN_PROXY_CONNECTION, MIME_LEN_RETRY_AFTER, MIME_LEN_USER_AGENT, MIME_PRESENCE_PROXY_CONNECTION, HttpTransact::State::next_action, HttpTransact::State::pCongestionEntry, MIMEHdr::presence(), HttpTransact::State::remap_redirect, HttpTransact::_HeaderInfo::request_content_length, IpEndpoint::sa, SET_VIA_STRING, HttpTransact::State::source, HttpTransact::_CurrentInfo::state, HttpTransact::State::state_machine, Arena::str_free(), HttpTransact::_HeaderInfo::trust_response_cl, unlikely, HTTPHdr::url_string_get(), HTTPHdr::valid(), MIMEHdr::value_get(), MIMEHdr::value_set(), MIMEHdr::value_set_int(), VIA_CLIENT_ERROR, VIA_CLIENT_REQUEST, VIA_ERROR_AUTHORIZATION, VIA_ERROR_CONNECTION, VIA_ERROR_DNS_FAILURE, VIA_ERROR_FORBIDDEN, VIA_ERROR_HEADER_SYNTAX, VIA_ERROR_SERVER, VIA_ERROR_TIMEOUT, and VIA_ERROR_TYPE.

Referenced by BadRequest(), build_response_from_cache(), EndRemapRequest(), handle_cache_operation_on_forward_server_response(), handle_no_cache_operation_on_forward_server_response(), handle_parent_died(), handle_server_died(), handle_upgrade_request(), handle_websocket_upgrade_pre_remap(), HandleBlindTunnel(), HandleCacheOpenReadMiss(), HandleFiltering(), handleIfRedirect(), HandlePushError(), HandleRequest(), is_request_valid(), OSDNSLookup(), ReDNSRoundRobin(), and will_this_request_self_loop().

void HttpTransact::build_redirect_response

(

State *

s

)

[static]

Definition at line 8147 of file HttpTransact.cc.

References HttpTransact::State::arena, build_response(), HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::_HeaderInfo::client_response, DebugTxn, HttpTransact::State::dns_info, HttpBodyFactory::fabricate_with_old_api_build_va(), HttpTransact::State::free_internal_msg_buffer(), HttpTransact::State::hdr_info, URL::host_get(), URL::host_set(), HttpTransact::State::http_config_param, http_hdr_reason_lookup(), HttpTransact::ConnectionAttributes::http_version, OverridableHttpConfigParams::insert_response_via_string, HttpTransact::State::internal_msg_buffer, HttpTransact::State::internal_msg_buffer_fast_allocator_size, HttpTransact::State::internal_msg_buffer_index, HttpTransact::State::internal_msg_buffer_size, HttpTransact::_DNSLookupInfo::lookup_name, MIME_FIELD_CONTENT_TYPE, MIME_FIELD_LOCATION, MIME_LEN_CONTENT_TYPE, MIME_LEN_LOCATION, HttpConfigParams::proxy_response_via_string, HttpConfigParams::proxy_response_via_string_len, MIMEHdr::set_content_length(), Arena::str_free(), URL::string_get(), HttpTransact::State::txn_conf, HTTPHdr::url_get(), MIMEHdr::value_append(), and MIMEHdr::value_set().

Referenced by OSDNSLookup().

void HttpTransact::build_request	(	State *	s,
		HTTPHdr *	base_request,
		HTTPHdr *	outgoing_request,
		HTTPVersion	outgoing_version
	)			[static]

Definition at line 7642 of file HttpTransact.cc.

References add_client_ip_to_outgoing_request(), HttpTransactHeaders::add_global_user_agent_header_to_request(), HttpTransact::State::cache_info, OverridableHttpConfigParams::cache_when_to_revalidate, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::cop_test_page, URL::copy(), HttpTransactHeaders::copy_header_fields(), HttpTransact::State::current, DebugTxn, DUMP_HEADER, OverridableHttpConfigParams::fwd_proxy_auth_to_parent, GENERIC_PROXY, handle_request_keep_alive_headers(), HttpTransact::State::hdr_info, URL::host_get(), HttpTransact::State::http_config_param, HTTP_INCREMENT_TRANS_STAT, http_outgoing_requests_stat, ink_assert, ink_cluster_time(), OverridableHttpConfigParams::insert_request_via_string, HttpTransactHeaders::insert_via_header_in_request(), is_request_likely_cacheable(), HTTPHdr::is_target_in_url(), memcpy, MIME_FIELD_HOST, MIME_LEN_HOST, MIME_PRESENCE_HOST, HttpTransact::_CurrentInfo::mode, HttpTransact::State::next_hop_scheme, HttpTransact::_CurrentInfo::now, HttpTransact::State::orig_scheme, HttpTransact::_CacheLookupInfo::original_url, PARENT_PROXY, URL::port_get(), MIMEHdr::presence(), HttpTransact::_RedirectInfo::redirect_in_process, HttpTransact::State::redirect_info, HttpTransact::_RedirectInfo::redirect_url, HttpTransactHeaders::remove_100_continue_headers(), HttpTransactHeaders::remove_conditional_headers(), HttpTransactHeaders::remove_host_name_from_url(), HttpTransactHeaders::remove_privacy_headers_from_request(), HttpTransact::State::request_sent_time, HttpTransact::_CurrentInfo::request_to, HttpTransact::State::response_received_time, HttpConfigParams::send_100_continue_response, HttpTransact::_CurrentInfo::server, HttpTransact::State::server_info, HTTPHdr::set_url_target_from_host_field(), HttpTransact::State::state_machine_id, HttpTransact::State::txn_conf, url_canonicalize_port(), HTTPHdr::url_get(), URL_TYPE_HTTP, URL_WKSIDX_HTTP, URL_WKSIDX_HTTPS, URL_WKSIDX_WS, URL_WKSIDX_WSS, URL::valid(), MIMEHdr::value_set(), and HTTPHdr::version_set().

Referenced by HandleCacheOpenReadHit(), HandleCacheOpenReadMiss(), HandleICPLookup(), LookupSkipOpenServer(), PPDNSLookup(), and setup_plugin_request_intercept().

void HttpTransact::build_response	(	State *	s,
		HTTPHdr *	base_response,
		HTTPHdr *	outgoing_response,
		HTTPVersion	outgoing_version
	)			[static]

Definition at line 7772 of file HttpTransact.cc.

References build_response(), and HTTP_STATUS_NONE.

void HttpTransact::build_response	(	State *	s,
		HTTPHdr *	outgoing_response,
		HTTPVersion	outgoing_version,
		HTTPStatus	status_code,
		const char *	reason_phrase = NULL
	)			[static]

Definition at line 7780 of file HttpTransact.cc.

References build_response().

void HttpTransact::build_response	(	State *	s,
		HTTPHdr *	base_response,
		HTTPHdr *	outgoing_response,
		HTTPVersion	outgoing_version,
		HTTPStatus	status_code,
		const char *	reason_phrase = NULL
	)			[static]

Definition at line 7788 of file HttpTransact.cc.

References HttpTransactHeaders::add_server_header_to_response(), HttpTransactHeaders::build_base_response(), HttpTransactHeaders::convert_response(), HttpTransact::State::cop_test_page, HttpTransactHeaders::copy_header_fields(), HttpTransact::State::current, Debug, diags, DUMP_HEADER, HttpConfigParams::enable_http_stats, MIMEHdr::field_find(), OverridableHttpConfigParams::fwd_proxy_auth_to_parent, HttpTransactHeaders::generate_and_set_squid_codes(), handle_content_length_header(), handle_response_keep_alive_headers(), HttpTransact::State::hdr_info, HttpTransact::State::http_config_param, http_hdr_reason_lookup(), HTTP_STATUS_NONE, HTTP_STATUS_NOT_MODIFIED, HTTP_STATUS_PRECONDITION_FAILED, HTTP_STATUS_RANGE_NOT_SATISFIABLE, OverridableHttpConfigParams::insert_age_in_response, HttpTransactHeaders::insert_hsts_header_in_response(), OverridableHttpConfigParams::insert_response_via_string, HttpTransactHeaders::insert_time_and_age_headers_in_response(), HttpTransactHeaders::insert_via_header_in_response(), is_response_body_precluded(), HttpTransact::State::method, MIME_FIELD_CACHE_CONTROL, MIME_FIELD_CONTENT_LOCATION, MIME_FIELD_ETAG, MIME_FIELD_EXPIRES, MIME_FIELD_VARY, MIME_LEN_CACHE_CONTROL, MIME_LEN_CONTENT_LOCATION, MIME_LEN_ETAG, MIME_LEN_EXPIRES, MIME_LEN_VARY, MIME_PRESENCE_VARY, HttpTransact::State::next_hop_scheme, HttpTransact::_CurrentInfo::now, Diags::on(), HttpTransact::State::orig_scheme, MIMEHdr::presence(), OverridableHttpConfigParams::proxy_response_hsts_max_age, HttpTransact::State::request_sent_time, HttpTransact::State::response_received_time, response_url_remap(), HttpTransact::State::squid_codes, HttpTransact::State::state_machine_id, HTTPHdr::status_get(), HttpTransact::_HeaderInfo::trust_response_cl, HttpTransact::State::txn_conf, URL_WKSIDX_HTTP, URL_WKSIDX_HTTPS, MIMEHdr::value_append(), MIMEField::value_get(), and HttpTransact::State::via_string.

Referenced by build_error_response(), build_redirect_response(), build_response(), build_response_from_cache(), delete_all_document_alternates_and_return(), handle_cache_operation_on_forward_server_response(), handle_forward_server_connection_open(), handle_no_cache_operation_on_forward_server_response(), handle_trace_and_options_requests(), handle_transform_ready(), HandleApiErrorJump(), HandlePushTunnelSuccess(), HandleStatPage(), and OriginServerRawOpen().

void HttpTransact::build_response_copy	(	State *	s,
		HTTPHdr *	base_response,
		HTTPHdr *	outgoing_response,
		HTTPVersion	outgoing_version
	)			[static]

Definition at line 4020 of file HttpTransact.cc.

References HttpTransactHeaders::add_server_header_to_response(), HttpTransactHeaders::convert_response(), HttpTransact::State::cop_test_page, HttpTransactHeaders::copy_header_fields(), HttpTransact::State::current, DUMP_HEADER, OverridableHttpConfigParams::fwd_proxy_auth_to_parent, HttpTransact::_CurrentInfo::now, HttpTransact::State::state_machine_id, and HttpTransact::State::txn_conf.

Referenced by handle_100_continue_response().

void HttpTransact::build_response_from_cache	(	State *	s,
		HTTPWarningCode	warning_code
	)			[static]

Definition at line 2792 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::State::api_resp_cacheable, HttpTransact::State::api_update_cached_object, build_error_response(), build_response(), HttpTransact::State::cache_info, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::_HeaderInfo::client_response, DebugTxn, delete_warning_value(), HttpSM::do_range_setup_if_necessary(), HttpSM::do_transform_open(), HttpTransact::State::force_dns, HandleCacheOpenReadMiss(), HttpTransact::State::hdr_info, HttpTransact::State::http_config_param, HTTP_STATUS_BAD_GATEWAY, HTTP_STATUS_NOT_MODIFIED, HTTP_STATUS_OK, HTTP_STATUS_PRECONDITION_FAILED, HTTP_STATUS_RANGE_NOT_SATISFIABLE, HttpTransact::ConnectionAttributes::http_version, HTTP_WARNING_CODE_NONE, HTTP_WKSIDX_GET, HTTP_WKSIDX_HEAD, ink_assert, HttpTransactHeaders::insert_warning_header(), HttpTransactCache::match_response_to_request_conditionals(), HttpTransact::State::method, MIME_PRESENCE_RANGE, HttpTransact::State::next_action, HttpTransact::_CacheLookupInfo::object_read, HttpTransact::_CacheLookupInfo::object_store, OSDNSLookup(), MIMEHdr::presence(), RANGE_NOT_HANDLED, RANGE_NOT_SATISFIABLE, HttpTransact::State::range_setup, set_header_for_transform(), SET_VIA_STRING, SM_ACTION_DNS_LOOKUP, HttpTransact::State::state_machine, TRANSACT_RETURN, HttpTransact::_HeaderInfo::transform_response, UPDATE_CACHED_OBJECT_CONTINUE, VIA_DETAIL_CACHE_LOOKUP, VIA_DETAIL_HIT_CONDITIONAL, VIA_DETAIL_HIT_SERVED, and VIA_DETAIL_MISS_CONDITIONAL.

Referenced by handle_server_connection_not_open(), and HandleCacheOpenReadHit().

int HttpTransact::calculate_document_freshness_limit	(	State *	s,
		HTTPHdr *	response,
		time_t	response_date,
		bool *	heuristic
	)			[static]

Definition at line 7063 of file HttpTransact.cc.

References OverridableHttpConfigParams::cache_guaranteed_max_lifetime, OverridableHttpConfigParams::cache_guaranteed_min_lifetime, OverridableHttpConfigParams::cache_heuristic_lm_factor, OverridableHttpConfigParams::cache_heuristic_max_lifetime, OverridableHttpConfigParams::cache_heuristic_min_lifetime, DebugTxn, HttpSM::get_cache_sm(), MIMEHdr::get_cooked_cc_mask(), MIMEHdr::get_cooked_cc_max_age(), MIMEHdr::get_cooked_cc_s_maxage(), MIMEHdr::get_expires(), MIMEHdr::get_last_modified(), ink_assert, HttpCacheSM::is_readwhilewrite_inprogress(), max(), MIME_COOKED_MASK_CC_MAX_AGE, MIME_COOKED_MASK_CC_S_MAXAGE, MIME_PRESENCE_EXPIRES, MIME_PRESENCE_LAST_MODIFIED, min(), NUM_SECONDS_IN_ONE_YEAR, HttpTransact::State::plugin_set_expire_time, MIMEHdr::presence(), HttpTransact::State::request_sent_time, HttpTransact::State::state_machine, HttpTransact::State::txn_conf, and UNDEFINED_TIME.

Referenced by what_is_document_freshness().

int HttpTransact::calculate_freshness_fuzz	(	State *	s,
		int	fresh_limit
	)			[static]

Definition at line 7190 of file HttpTransact.cc.

References DebugTxn, OverridableHttpConfigParams::freshness_fuzz_min_time, OverridableHttpConfigParams::freshness_fuzz_prob, OverridableHttpConfigParams::freshness_fuzz_time, EThread::generator, max(), min(), NUM_SECONDS_IN_ONE_YEAR, InkRand::random(), this_ethread(), and HttpTransact::State::txn_conf.

Referenced by what_is_document_freshness().

void HttpTransact::CallOSDNSLookup

(

State *

s

)

[static]

Definition at line 2448 of file HttpTransact.cc.

References OSDNSLookup(), SM_ACTION_DNS_LOOKUP, and TRANSACT_RETURN.

Referenced by DecideCacheLookup(), and HandleCacheOpenReadHitFreshness().

void HttpTransact::change_response_header_because_of_range_request	(	State *	s,
		HTTPHdr *	header
	)			[static]

Definition at line 8793 of file HttpTransact.cc.

References _RangeRecord::_end, _RangeRecord::_start, HttpTransact::State::cache_info, Debug, MIMEHdr::field_attach(), MIMEHdr::field_create(), MIMEHdr::field_delete(), MIMEHdr::field_find(), http_hdr_reason_lookup(), HTTP_STATUS_PARTIAL_CONTENT, HdrHeapSDKHandle::m_heap, MIMEHdr::m_mime, MIME_FIELD_CONTENT_RANGE, MIME_FIELD_CONTENT_TYPE, MIME_LEN_CONTENT_RANGE, MIME_LEN_CONTENT_TYPE, HttpTransact::State::num_range_fields, HttpTransact::_CacheLookupInfo::object_read, HTTPInfo::object_size_get(), HttpTransact::State::range_output_cl, range_type, HttpTransact::State::ranges, HTTPHdr::reason_set(), MIMEHdr::set_content_length(), HTTPHdr::status_set(), HTTPInfo::valid(), MIMEField::value_append(), and MIMEField::value_set().

Referenced by handle_content_length_header().

HttpTransact::RequestError_t HttpTransact::check_request_validity	(	State *	s,
		HTTPHdr *	incoming_hdr
	)			[static]

Definition at line 5140 of file HttpTransact.cc.

References HttpTransact::State::arena, CHUNKED_ENCODING, HttpTransact::State::client_info, HttpConfigParams::connect_ports, DebugTxn, HTTPValTE::encoding, MIMEHdr::field_find(), Arena::free(), MIMEHdr::get_content_length(), HdrCsvIter::get_first(), HdrCsvIter::get_next(), HttpTransact::State::hdr_info, hdrtoken_string_to_wks(), HTTPHdr::host_get(), HttpTransact::State::http_config_param, HTTP_INCREMENT_TRANS_STAT, http_missing_host_hdr_stat, http_parse_te(), HTTP_UNDEFINED_CL, HTTP_VALUE_CHUNKED, HTTP_VALUE_IDENTITY, HTTP_WKSIDX_CONNECT, HTTP_WKSIDX_GET, HTTP_WKSIDX_POST, HTTP_WKSIDX_PUSH, HTTP_WKSIDX_PUT, HTTP_WKSIDX_TRACE, is_port_in_range(), HttpTransactHeaders::is_request_proxy_authorized(), HttpTransactHeaders::is_this_method_supported(), HttpTransact::State::is_websocket, HTTPHdr::method_get_wksidx(), MIME_FIELD_TE, MIME_FIELD_TRANSFER_ENCODING, MIME_LEN_TE, MIME_LEN_TRANSFER_ENCODING, MIME_PRESENCE_CONTENT_LENGTH, MIME_PRESENCE_HOST, MIME_PRESENCE_TE, MIME_PRESENCE_TRANSFER_ENCODING, URL::port_get(), OverridableHttpConfigParams::post_check_content_length_enabled, MIMEHdr::presence(), HTTPValTE::qvalue, HttpTransact::_HeaderInfo::request_content_length, URL::scheme_get_wksidx(), HttpTransact::ConnectionAttributes::transfer_encoding, HttpTransact::State::transparent_passthrough, HttpTransact::State::txn_conf, HTTPHdr::url_get(), URL_WKSIDX_HTTP, URL_WKSIDX_HTTPS, URL_WKSIDX_WS, URL_WKSIDX_WSS, and HTTPHdr::version_get().

Referenced by is_request_valid().

HttpTransact::ResponseError_t HttpTransact::check_response_validity	(	State *	s,
		HTTPHdr *	incoming_hdr
	)			[static]

Definition at line 5266 of file HttpTransact.cc.

References HttpTransact::State::current, DebugTxn, did_forward_server_send_0_9_response(), MIMEHdr::get_date(), HTTP_STATUS_INTERNAL_SERVER_ERROR, ink_assert, MIME_PRESENCE_DATE, HttpTransact::State::next_hop_scheme, HttpTransact::_CurrentInfo::now, MIMEHdr::presence(), MIMEHdr::set_date(), HTTPHdr::status_get(), HTTPHdr::type_get(), URL_WKSIDX_HTTP, and URL_WKSIDX_HTTPS.

Referenced by is_response_valid().

void HttpTransact::client_result_stat	(	State *	s,
		ink_hrtime	total_time,
		ink_hrtime	request_process_time
	)			[static]

Definition at line 8343 of file HttpTransact.cc.

References HttpTransact::ConnectionAttributes::abort, ABORTED, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_response, CLIENT_TRANSACTION_RESULT_ERROR_ABORT, CLIENT_TRANSACTION_RESULT_ERROR_CONNECT_FAIL, CLIENT_TRANSACTION_RESULT_ERROR_OTHER, CLIENT_TRANSACTION_RESULT_ERROR_POSSIBLE_ABORT, CLIENT_TRANSACTION_RESULT_HIT_FRESH, CLIENT_TRANSACTION_RESULT_HIT_REVALIDATED, CLIENT_TRANSACTION_RESULT_MISS_CHANGED, CLIENT_TRANSACTION_RESULT_MISS_CLIENT_NO_CACHE, CLIENT_TRANSACTION_RESULT_MISS_COLD, CLIENT_TRANSACTION_RESULT_MISS_UNCACHABLE, DebugTxn, DIDNOT_ABORT, GET_VIA_STRING, HttpTransact::State::hdr_info, http_cache_hit_fresh_stat, http_cache_hit_ims_stat, http_cache_hit_mem_fresh_stat, http_cache_hit_reval_stat, http_cache_hit_stale_served_stat, http_cache_miss_changed_stat, http_cache_miss_client_no_cache_stat, http_cache_miss_cold_stat, http_cache_miss_ims_stat, http_cache_miss_uncacheable_stat, http_cache_read_error_stat, http_completed_requests_stat, HTTP_INCREMENT_TRANS_STAT, http_response_status_100_count_stat, http_response_status_101_count_stat, http_response_status_1xx_count_stat, http_response_status_200_count_stat, http_response_status_201_count_stat, http_response_status_202_count_stat, http_response_status_203_count_stat, http_response_status_204_count_stat, http_response_status_205_count_stat, http_response_status_206_count_stat, http_response_status_2xx_count_stat, http_response_status_300_count_stat, http_response_status_301_count_stat, http_response_status_302_count_stat, http_response_status_303_count_stat, http_response_status_304_count_stat, http_response_status_305_count_stat, http_response_status_307_count_stat, http_response_status_3xx_count_stat, http_response_status_400_count_stat, http_response_status_401_count_stat, http_response_status_402_count_stat, http_response_status_403_count_stat, http_response_status_404_count_stat, http_response_status_405_count_stat, http_response_status_406_count_stat, http_response_status_407_count_stat, http_response_status_408_count_stat, http_response_status_409_count_stat, http_response_status_410_count_stat, http_response_status_411_count_stat, http_response_status_412_count_stat, http_response_status_413_count_stat, http_response_status_414_count_stat, http_response_status_415_count_stat, http_response_status_416_count_stat, http_response_status_4xx_count_stat, http_response_status_500_count_stat, http_response_status_501_count_stat, http_response_status_502_count_stat, http_response_status_503_count_stat, http_response_status_504_count_stat, http_response_status_505_count_stat, http_response_status_5xx_count_stat, HTTP_SUM_TRANS_STAT, http_ua_msecs_counts_errors_aborts_stat, http_ua_msecs_counts_errors_connect_failed_stat, http_ua_msecs_counts_errors_other_stat, http_ua_msecs_counts_errors_possible_aborts_stat, http_ua_msecs_counts_hit_fresh_process_stat, http_ua_msecs_counts_hit_fresh_stat, http_ua_msecs_counts_hit_reval_stat, http_ua_msecs_counts_miss_changed_stat, http_ua_msecs_counts_miss_client_no_cache_stat, http_ua_msecs_counts_miss_cold_stat, http_ua_msecs_counts_miss_uncacheable_stat, http_ua_msecs_counts_other_unclassified_stat, ink_hrtime_to_msec(), HttpTransact::_SquidLogInfo::log_code, MAYBE_ABORTED, HttpTransact::State::source, SOURCE_INTERNAL, SOURCE_NONE, HttpTransact::State::squid_codes, SQUID_LOG_ERR_CONNECT_FAIL, SQUID_LOG_ERR_READ_TIMEOUT, SQUID_LOG_TCP_CLIENT_REFRESH, SQUID_LOG_TCP_DENIED, SQUID_LOG_TCP_HIT, SQUID_LOG_TCP_IMS_HIT, SQUID_LOG_TCP_IMS_MISS, SQUID_LOG_TCP_MEM_HIT, SQUID_LOG_TCP_MISS, SQUID_LOG_TCP_REF_FAIL_HIT, SQUID_LOG_TCP_REFRESH_HIT, SQUID_LOG_TCP_REFRESH_MISS, SQUID_LOG_TCP_SWAPFAIL, HTTPHdr::status_get(), VIA_CACHE_MISS, VIA_CACHE_RESULT, and VIA_IN_CACHE_NOT_ACCEPTABLE.

Referenced by HttpSM::update_stats().

void HttpTransact::DecideCacheLookup

(

State *

s

)

[static]

Definition at line 1893 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, CACHE_DO_LOOKUP, CACHE_DO_SERVE, HttpTransact::State::cache_info, HttpTransact::State::cache_lookup_result, CallOSDNSLookup(), HttpTransact::_HeaderInfo::client_request, HttpTransact::State::cop_test_page, URL::copy(), URL::create(), HttpTransact::State::current, DebugTxn, HttpTransact::State::force_dns, MIMEHdr::get_host_port_values(), HandlePushError(), HttpTransact::State::hdr_info, URL::host_set(), HTTP_INCREMENT_TRANS_STAT, http_throttled_proxy_only_stat, http_tunnels_stat, HTTP_WKSIDX_PUSH, ink_assert, ink_atoi(), is_request_cache_lookupable(), HttpTransact::_CacheLookupInfo::lookup_url, HttpTransact::_CacheLookupInfo::lookup_url_storage, LookupSkipOpenServer(), OverridableHttpConfigParams::maintain_pristine_host_hdr, HttpTransact::State::method, HttpTransact::_CurrentInfo::mode, URL::port_set(), HttpTransact::_RedirectInfo::redirect_in_process, HttpTransact::State::redirect_info, service_transaction_in_proxy_only_mode(), HTTPHdr::set_url_target_from_host_field(), SM_ACTION_API_CACHE_LOOKUP_COMPLETE, SM_ACTION_CACHE_LOOKUP, TRANSACT_RETURN, TUNNELLING_PROXY, HttpTransact::State::txn_conf, HTTPHdr::url_get(), and URL::valid().

Referenced by HandleFiltering(), and HandleRequestAuthorized().

bool HttpTransact::delete_all_document_alternates_and_return	(	State *	s,
		bool	cache_hit
	)			[static]

Definition at line 6962 of file HttpTransact.cc.

References build_response(), HttpTransact::State::cache_info, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::_HeaderInfo::client_response, DebugTxn, MIMEHdr::field_find(), HttpTransact::State::hdr_info, HTTP_STATUS_NOT_FOUND, HTTP_STATUS_OK, HttpTransact::ConnectionAttributes::http_version, HTTP_WKSIDX_DELETE, HTTP_WKSIDX_GET, HTTP_WKSIDX_PURGE, HttpTransact::_CacheLookupInfo::is_ram_cache_hit, HttpTransact::State::method, MIME_FIELD_MAX_FORWARDS, MIME_LEN_MAX_FORWARDS, SET_VIA_STRING, HttpTransact::_HeaderInfo::trust_response_cl, MIMEField::value_get_int(), MIMEHdr::value_set_int(), VIA_CACHE_RESULT, VIA_DETAIL_CACHE_LOOKUP, VIA_DETAIL_MISS_NOT_CACHED, VIA_DETAIL_TUNNEL, VIA_DETAIL_TUNNEL_NO_FORWARD, VIA_IN_CACHE_FRESH, and VIA_IN_RAM_CACHE_FRESH.

Referenced by HandleCacheOpenReadHitFreshness(), and HandleCacheOpenReadMiss().

void HttpTransact::delete_server_rr_entry	(	State *	s,
		int	max_retries
	)			[static]

Definition at line 3708 of file HttpTransact.cc.

References HttpTransact::ConnectionAttributes::addr, HttpTransact::State::arena, ats_ip_ntop(), HttpTransact::_CurrentInfo::attempts, HttpTransact::State::current, DebugTxn, HttpTransact::State::dns_info, HttpTransact::ConnectionAttributes::had_connect_fail(), ink_assert, ORIGIN_SERVER, ReDNSRoundRobin(), HttpTransact::_CurrentInfo::request_to, IpEndpoint::sa, HttpTransact::_CurrentInfo::server, HttpTransact::State::server_info, SM_ACTION_ORIGIN_SERVER_RR_MARK_DOWN, TRANSACT_RETURN, and update_dns_info().

Referenced by handle_response_from_server().

void HttpTransact::delete_warning_value	(	HTTPHdr *	to_warn,
		HTTPWarningCode	warning_code
	)			[static]

Definition at line 8738 of file HttpTransact.cc.

References MIMEHdr::field_attach(), MIMEHdr::field_create(), MIMEHdr::field_delete(), MIMEHdr::field_find(), MIMEHdr::field_value_set(), HdrCsvIter::get_current(), HdrCsvIter::get_first_int(), HdrCsvIter::get_next_int(), HdrHeapSDKHandle::m_heap, MIMEHdr::m_mime, MIME_FIELD_WARNING, MIME_LEN_WARNING, MIMEField::name_set(), and MIMEField::value_append().

Referenced by build_response_from_cache(), handle_cache_operation_on_forward_server_response(), and merge_and_update_headers_for_cache_update().

bool HttpTransact::did_forward_server_send_0_9_response

(

State *

s

)

[static]

Definition at line 5326 of file HttpTransact.cc.

References HttpTransact::State::current, HttpTransact::State::hdr_info, HttpTransact::ConnectionAttributes::http_version, HttpTransact::_CurrentInfo::server, HttpTransact::_HeaderInfo::server_response, HTTPVersion::set(), and HTTPHdr::version_get().

Referenced by check_response_validity().

bool HttpTransact::does_client_request_permit_cached_response	(	const OverridableHttpConfigParams *	p,
		CacheControlResult *	c,
		HTTPHdr *	h,
		char *	via_string
	)			[static]

Definition at line 7014 of file HttpTransact.cc.

References OverridableHttpConfigParams::cache_ims_on_client_no_cache, HTTP_VALUE_NO_CACHE, CacheControlResult::ignore_client_no_cache, HTTPHdr::is_cache_control_set(), and HTTPHdr::is_pragma_no_cache_set().

Referenced by update_cache_control_information_from_config().

bool HttpTransact::does_client_request_permit_dns_caching	(	CacheControlResult *	c,
		HTTPHdr *	h
	)			[static]

Definition at line 7038 of file HttpTransact.cc.

References HTTP_VALUE_NO_CACHE, CacheControlResult::ignore_client_no_cache, HTTPHdr::is_cache_control_set(), and HTTPHdr::is_pragma_no_cache_set().

Referenced by update_cache_control_information_from_config().

bool HttpTransact::does_client_request_permit_storing	(	CacheControlResult *	c,
		HTTPHdr *	h
	)			[static]

Definition at line 7047 of file HttpTransact.cc.

References HTTP_VALUE_NO_STORE, CacheControlResult::ignore_client_no_cache, and HTTPHdr::is_cache_control_set().

Referenced by update_cache_control_information_from_config().

void HttpTransact::EndRemapRequest

(

State *

s

)

[static]

It's better to test redirect rules just after url_remap failed Or those successfully remapped rules might be redirected

Definition at line 836 of file HttpTransact.cc.

References ats_free(), build_error_response(), HTTPHdr::clear(), HttpTransact::State::client_connection_enabled, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::_HeaderInfo::client_response, HttpTransact::State::cop_test_page, DebugTxn, HttpClientSession::f_outbound_transparent, handleIfRedirect(), HandleRequest(), HttpTransact::State::hdr_info, HTTPHdr::host_get(), HttpTransact::State::http_config_param, HTTP_INCREMENT_TRANS_STAT, http_invalid_client_requests_stat, HTTP_NO_PLUGIN_TUNNEL, HttpTransact::State::http_return_code, HTTP_STATUS_BAD_REQUEST, HTTP_STATUS_FORBIDDEN, HTTP_STATUS_MOVED_PERMANENTLY, HTTP_STATUS_MOVED_TEMPORARILY, HTTP_STATUS_NONE, HTTP_STATUS_NOT_FOUND, initialize_state_variables_from_request(), ink_assert, HttpTransact::State::internal_msg_buffer, HttpTransact::State::internal_msg_buffer_size, is_debug_tag_set, HTTPHdr::is_target_in_url(), HttpTransact::ConnectionAttributes::is_transparent, HttpTransact::State::is_upgrade_request, HTTPHdr::m_http, HTTPHdr::method_get_wksidx(), MIME_FIELD_LOCATION, MIME_LEN_LOCATION, obj_describe(), HttpSM::plugin_tunnel_type, HttpTransact::State::post_remap_upgrade_return_point, process_quick_http_filter(), HttpTransact::State::remap_redirect, HttpTransact::State::req_flavor, HttpTransact::State::reverse_proxy, HttpConfigParams::reverse_proxy_enabled, HttpConfigParams::reverse_proxy_no_host_redirect, HttpConfigParams::reverse_proxy_no_host_redirect_len, HttpTransact::State::server_info, SET_VIA_STRING, SM_ACTION_API_POST_REMAP, SM_ACTION_INTERNAL_CACHE_NOOP, SM_ACTION_SEND_ERROR_CACHE_NOOP, HttpTransact::State::state_machine, TRANSACT_RETURN, HttpSM::ua_session, HttpConfigParams::url_remap_required, HttpTransact::State::url_remap_success, MIMEHdr::value_set(), VIA_DETAIL_TUNNEL, and VIA_DETAIL_TUNNEL_NO_FORWARD.

Referenced by PerformRemap().

const char * HttpTransact::get_error_string

(

int

erno

)

[static]

Definition at line 8212 of file HttpTransact.cc.

References ENET_THROTTLING, ESOCK_DENIED, ESOCK_NO_SOCK_SERVER_CONN, ESOCK_TIMEOUT, and UNKNOWN_INTERNAL_ERROR.

Referenced by build_error_response(), and handle_server_died().

void HttpTransact::get_ka_info_from_host_db	(	State *	s,
		ConnectionAttributes *	server_info,
		ConnectionAttributes *	client_info,
		HostDBInfo *	host_db_info
	)			[static]

Definition at line 5012 of file HttpTransact.cc.

References HostDBInfo::app, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::hdr_info, HostDBApplicationInfo::http_data, HttpTransact::ConnectionAttributes::http_version, HostDBApplicationInfo::http_server_attr::http_version, HostDBApplicationInfo::HTTP_VERSION_09, HostDBApplicationInfo::HTTP_VERSION_10, HostDBApplicationInfo::HTTP_VERSION_11, ink_assert, HttpTransact::ConnectionAttributes::keep_alive, OverridableHttpConfigParams::keep_alive_enabled_out, HttpConfigParams::SEND_HTTP11_ALWAYS, HttpConfigParams::SEND_HTTP11_IF_REQUEST_11_AND_HOSTDB, HttpConfigParams::SEND_HTTP11_NEVER, OverridableHttpConfigParams::send_http11_requests, HttpConfigParams::SEND_HTTP11_UPGRADE_HOSTDB, HTTPVersion::set(), HttpTransact::State::txn_conf, and HTTPHdr::version_get().

Referenced by OSDNSLookup(), PPDNSLookup(), and ReDNSRoundRobin().

void HttpTransact::handle_100_continue_response

(

State *

s

)

[static]

Definition at line 3991 of file HttpTransact.cc.

References build_response_copy(), HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::_HeaderInfo::client_response, HandleResponse(), HttpTransact::State::hdr_info, HttpTransact::ConnectionAttributes::http_version, MIME_FIELD_EXPECT, MIME_LEN_EXPECT, HttpTransact::_HeaderInfo::server_response, SM_ACTION_INTERNAL_100_RESPONSE, SM_ACTION_SERVER_PARSE_NEXT_HDR, TRANSACT_RETURN, MIMEHdr::value_get_int(), and HTTPHdr::version_get().

Referenced by handle_forward_server_connection_open().

void HttpTransact::handle_cache_operation_on_forward_server_response

(

State *

s

)

[static]

Definition at line 4074 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::State::already_downgraded, HttpTransact::State::api_server_response_ignore, HttpTransact::State::api_server_response_no_store, build_error_response(), build_response(), CACHE_AUTH_FRESH, CACHE_AUTH_STALE, CACHE_DO_DELETE, CACHE_DO_NO_ACTION, CACHE_DO_REPLACE, CACHE_DO_SERVE_AND_DELETE, CACHE_DO_SERVE_AND_UPDATE, CACHE_DO_UPDATE, CACHE_DO_WRITE, HttpTransact::State::cache_info, OverridableHttpConfigParams::cache_when_to_revalidate, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::_HeaderInfo::client_response, HttpTransact::State::cop_test_page, HTTPInfo::create(), HttpTransact::State::current, DebugTxn, delete_warning_value(), HttpSM::do_range_setup_if_necessary(), HttpSM::do_transform_open(), HttpTransactHeaders::downgrade_request(), DUMP_HEADER, MIMEHdr::field_attach(), MIMEHdr::field_create(), MIMEHdr::field_find(), MIMEHdr::field_value_append(), HttpDebugNames::get_cache_action_name(), GET_VIA_STRING, HttpTransact::State::hdr_info, how_to_open_connection(), http_cache_deletes_stat, http_cache_updates_stat, http_cache_writes_stat, HttpTransact::State::http_config_param, HTTP_INCREMENT_TRANS_STAT, HTTP_STATUS_BAD_GATEWAY, HTTP_STATUS_GATEWAY_TIMEOUT, HTTP_STATUS_HTTPVER_NOT_SUPPORTED, HTTP_STATUS_INTERNAL_SERVER_ERROR, HTTP_STATUS_NONE, HTTP_STATUS_NOT_MODIFIED, HTTP_STATUS_OK, HTTP_STATUS_PRECONDITION_FAILED, HTTP_STATUS_SERVICE_UNAVAILABLE, HTTP_STATUS_UNAUTHORIZED, HttpTransact::ConnectionAttributes::http_version, HTTP_WARNING_CODE_MISC_WARNING, HTTP_WARNING_CODE_REVALIDATION_FAILED, HTTP_WKSIDX_HEAD, ink_assert, ink_cluster_time(), HttpTransactHeaders::insert_warning_header(), is_negative_caching_appropriate(), is_request_conditional(), is_request_likely_cacheable(), is_response_cacheable(), is_stale_cache_response_returnable(), HttpTransact::ConnectionAttributes::keep_alive, MIMEField::m_next_dup, HttpTransactCache::match_response_to_request_conditionals(), merge_and_update_headers_for_cache_update(), HttpTransact::State::method, HTTPHdr::method_get_wksidx(), MIME_FIELD_PROXY_CONNECTION, MIME_FIELD_VIA, MIME_LEN_PROXY_CONNECTION, MIME_LEN_VIA, MIME_PRESENCE_EXPIRES, MIME_PRESENCE_RANGE, HttpTransact::State::negative_caching, OverridableHttpConfigParams::negative_caching_lifetime, OverridableHttpConfigParams::negative_revalidating_enabled, OverridableHttpConfigParams::negative_revalidating_lifetime, HttpTransact::State::next_action, HttpTransact::_CacheLookupInfo::object_read, HttpTransact::_CacheLookupInfo::object_store, MIMEHdr::presence(), HTTPInfo::request_set(), HTTPInfo::response_get(), HTTPInfo::response_set(), HttpTransact::_CurrentInfo::server, HttpTransact::_HeaderInfo::server_request, HttpTransact::_HeaderInfo::server_response, MIMEHdr::set_expires(), set_header_for_transform(), set_headers_for_cache_write(), SET_VIA_STRING, SM_ACTION_SERVE_FROM_CACHE, SM_ACTION_SERVER_READ, HttpTransact::State::state_machine, HttpTransact::State::state_machine_id, HTTPHdr::status_get(), HttpTransact::State::txn_conf, MIMEHdr::unset_cooked_cc_need_revalidate_once(), HTTPHdr::valid(), MIMEField::value_get(), VIA_CACHE_DELETED, VIA_CACHE_FILL_ACTION, VIA_CACHE_UPDATED, VIA_CACHE_WRITTEN, VIA_CLIENT_IMS, VIA_CLIENT_REQUEST, VIA_CLIENT_SIMPLE, VIA_PROXY_NOT_MODIFIED, VIA_PROXY_RESULT, VIA_PROXY_SERVED, VIA_PROXY_SERVER_REVALIDATED, VIA_SERVER_NOT_MODIFIED, VIA_SERVER_RESULT, VIA_SERVER_SERVED, and HttpTransact::State::www_auth_content.

Referenced by handle_forward_server_connection_open().

void HttpTransact::handle_cache_write_lock

(

State *

s

)

[static]

Definition at line 2925 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::State::cache_info, CACHE_PREPARE_TO_DELETE, CACHE_PREPARE_TO_UPDATE, CACHE_PREPARE_TO_WRITE, CACHE_WL_FAIL, CACHE_WL_INIT, CACHE_WL_READ_RETRY, CACHE_WL_SUCCESS, HttpTransact::_HeaderInfo::client_request, HdrHeapSDKHandle::destroy(), MIMEHdr::field_delete(), MIMEHdr::field_find(), HandleCacheOpenReadHitFreshness(), HttpTransact::State::hdr_info, how_to_open_connection(), ink_assert, ink_release_assert, MIME_FIELD_IF_MODIFIED_SINCE, MIME_FIELD_IF_NONE_MATCH, MIME_LEN_IF_MODIFIED_SINCE, MIME_LEN_IF_NONE_MATCH, HttpTransact::State::next_action, HttpTransact::State::request_sent_time, HttpTransact::State::response_received_time, HttpTransact::_HeaderInfo::server_request, SET_UNPREPARE_CACHE_ACTION, SET_VIA_STRING, SM_ACTION_DNS_LOOKUP, SM_ACTION_ORIGIN_SERVER_OPEN, SM_ACTION_ORIGIN_SERVER_RAW_OPEN, HttpTransact::State::stale_icp_lookup, TRANSACT_RETURN, MIMEField::value_get(), MIMEHdr::value_set(), VIA_DETAIL_CACHE, VIA_DETAIL_CACHE_TYPE, HttpTransact::_CacheLookupInfo::write_lock_state, and HttpTransact::_CacheLookupInfo::write_status.

void HttpTransact::handle_content_length_header	(	State *	s,
		HTTPHdr *	header,
		HTTPHdr *	base
	)			[static]

Definition at line 6604 of file HttpTransact.cc.

References HttpTransact::State::cache_info, change_response_header_because_of_range_request(), cl, Debug, DebugTxn, MIMEHdr::field_delete(), MIMEHdr::get_content_length(), HttpTransact::State::hdr_info, HTTP_UNDEFINED_CL, ink_assert, ink_release_assert, INT64_MAX, is_response_body_precluded(), HttpTransact::State::method, MIME_FIELD_CONTENT_LENGTH, MIME_LEN_CONTENT_LENGTH, MIME_PRESENCE_CONTENT_LENGTH, HttpTransact::_CacheLookupInfo::object_read, HTTPInfo::object_size_get(), MIMEHdr::presence(), RANGE_NONE, RANGE_NOT_TRANSFORM_REQUESTED, HttpTransact::State::range_output_cl, RANGE_REQUESTED, HttpTransact::State::range_setup, HttpTransact::_HeaderInfo::request_content_length, MIMEHdr::set_content_length(), HttpTransact::State::source, SOURCE_CACHE, SOURCE_HTTP_ORIGIN_SERVER, SOURCE_TRANSFORM, HTTPHdr::status_get(), HttpTransact::_HeaderInfo::transform_response_cl, HttpTransact::_HeaderInfo::trust_response_cl, and HTTPHdr::type_get().

Referenced by build_response().

void HttpTransact::handle_forward_server_connection_open

(

State *

s

)

[static]

Definition at line 3869 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::State::api_server_response_ignore, build_response(), CACHE_AUTH_FRESH, CACHE_DO_DELETE, CACHE_DO_LOOKUP, CACHE_DO_NO_ACTION, CACHE_DO_SERVE, CACHE_DO_UNDEFINED, CACHE_DO_UPDATE, CACHE_DO_WRITE, HttpTransact::State::cache_info, CACHE_PREPARE_TO_DELETE, CACHE_PREPARE_TO_UPDATE, CACHE_PREPARE_TO_WRITE, HttpCacheSM::cache_write_vc, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_response, CONNECTION_ALIVE, HttpTransact::State::current, DebugTxn, HttpSM::do_hostdb_update_if_necessary(), HttpSM::enable_redirection, HttpDebugNames::get_cache_action_name(), HttpSM::get_cache_sm(), handle_100_continue_response(), handle_cache_operation_on_forward_server_response(), handle_no_cache_operation_on_forward_server_response(), HttpTransact::State::hdr_info, HTTP_STATUS_MOVED_PERMANENTLY, HTTP_STATUS_MOVED_TEMPORARILY, HTTP_STATUS_MULTIPLE_CHOICES, HTTP_STATUS_OK, HTTP_STATUS_SEE_OTHER, HTTP_STATUS_TEMPORARY_REDIRECT, HTTP_STATUS_USE_PROXY, HttpTransact::ConnectionAttributes::http_version, ink_assert, ink_release_assert, HttpTransact::ConnectionAttributes::keep_alive, HttpTransact::State::next_action, HttpTransact::_RedirectInfo::redirect_in_process, HttpTransact::State::redirect_info, HttpTransact::_CurrentInfo::server, HttpTransact::_HeaderInfo::server_response, HttpTransact::_CurrentInfo::state, HttpTransact::State::state_machine, HTTPHdr::status_get(), HttpTransact::State::updated_server_version, HTTPHdr::version_get(), and HttpTransact::State::www_auth_content.

Referenced by handle_response_from_icp_suggested_host(), handle_response_from_parent(), and handle_response_from_server().

bool HttpTransact::handle_internal_request	(	State *	s,
		HTTPHdr *	incoming_hdr
	)			[static]

Definition at line 5336 of file HttpTransact.cc.

References HTTP_WKSIDX_GET, ink_assert, StatPagesManager::is_stat_page(), HTTPHdr::method_get_wksidx(), URL::scheme_get_wksidx(), statPagesManager, HTTPHdr::type_get(), HTTPHdr::url_get(), URL_WKSIDX_HTTP, and URL_WKSIDX_HTTPS.

Referenced by HandleRequest().

void HttpTransact::handle_no_cache_operation_on_forward_server_response

(

State *

s

)

[static]

Definition at line 4531 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::State::already_downgraded, build_error_response(), build_response(), CACHE_DO_NO_ACTION, HttpTransact::State::cache_info, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::_HeaderInfo::client_response, HttpTransact::State::current, DebugTxn, HttpSM::do_transform_open(), HttpTransactHeaders::downgrade_request(), HttpSM::enable_redirection, HttpTransact::State::hdr_info, how_to_open_connection(), HttpTransact::State::http_config_param, HTTP_STATUS_HTTPVER_NOT_SUPPORTED, HTTP_STATUS_NOT_MODIFIED, HTTP_STATUS_OK, HTTP_STATUS_PARTIAL_CONTENT, HttpTransact::ConnectionAttributes::http_version, HTTP_WARNING_CODE_MISC_WARNING, HTTP_WKSIDX_CONNECT, ink_assert, HttpTransactHeaders::insert_warning_header(), is_request_conditional(), HttpTransact::ConnectionAttributes::keep_alive, HttpTransact::State::method, HttpTransact::State::next_action, HttpSM::redirect_url, HttpTransact::_CurrentInfo::server, HttpTransact::_HeaderInfo::server_request, HttpTransact::_HeaderInfo::server_response, set_header_for_transform(), SET_VIA_STRING, SM_ACTION_SERVER_READ, HttpTransact::State::state_machine, HTTPHdr::status_get(), HttpTransact::_HeaderInfo::transform_response, VIA_PROXY_NOT_MODIFIED, VIA_PROXY_RESULT, VIA_PROXY_SERVED, VIA_SERVER_NOT_MODIFIED, VIA_SERVER_RESULT, and VIA_SERVER_SERVED.

Referenced by handle_forward_server_connection_open().

void HttpTransact::handle_parent_died

(

State *

s

)

[static]

Definition at line 7479 of file HttpTransact.cc.

References build_error_response(), HTTP_STATUS_BAD_GATEWAY, ink_assert, PARENT_FAIL, HttpTransact::State::parent_result, ParentResult::r, SM_ACTION_SEND_ERROR_CACHE_NOOP, and TRANSACT_RETURN.

Referenced by handle_response_from_parent(), HandleCacheOpenReadHit(), HandleCacheOpenReadMiss(), and PPDNSLookup().

void HttpTransact::handle_request_keep_alive_headers	(	State *	s,
		HTTPVersion	ver,
		HTTPHdr *	heads
	)			[static]

Definition at line 6719 of file HttpTransact.cc.

References HttpTransact::State::client_info, HttpTransact::State::current, MIMEHdr::field_delete(), MIMEHdr::get_content_length(), HTTP_MAJOR, HTTP_NO_KEEPALIVE, HTTP_WKSIDX_DELETE, HTTP_WKSIDX_GET, HTTP_WKSIDX_HEAD, HTTP_WKSIDX_OPTIONS, HTTP_WKSIDX_PURGE, HTTP_WKSIDX_TRACE, ICP_SUGGESTED_HOST, ink_assert, HttpTransact::State::is_upgrade_request, HttpTransact::State::is_websocket, HttpTransact::ConnectionAttributes::keep_alive, HTTPVersion::m_version, HTTPHdr::method_get_wksidx(), MIME_FIELD_CONNECTION, MIME_FIELD_PROXY_CONNECTION, MIME_FIELD_UPGRADE, MIME_LEN_CONNECTION, MIME_LEN_PROXY_CONNECTION, MIME_LEN_UPGRADE, PARENT_PROXY, HttpTransact::_CurrentInfo::request_to, HttpTransact::_CurrentInfo::server, HTTPHdr::type_get(), and MIMEHdr::value_set().

Referenced by build_request().

void HttpTransact::handle_response_from_icp_suggested_host

(

State *

s

)

[static]

Definition at line 3416 of file HttpTransact.cc.

References HttpTransact::ConnectionAttributes::addr, ats_is_ip(), CONNECTION_ALIVE, HttpTransact::State::current, DebugTxn, find_server_and_update_current_info(), handle_forward_server_connection_open(), handle_server_died(), HttpTransact::State::hdr_info, how_to_open_connection(), HTTP_RELEASE_ASSERT, HttpTransact::State::icp_info, ink_assert, ink_release_assert, is_request_retryable(), HttpTransact::State::next_action, HttpTransact::State::next_hop_scheme, PARENT_PROXY, PPDNSLookup(), HttpTransactHeaders::remove_host_name_from_url(), HttpTransact::_CurrentInfo::request_to, HttpTransact::_CurrentInfo::server, HttpTransact::State::server_info, HttpTransact::_HeaderInfo::server_request, SET_VIA_STRING, SM_ACTION_DNS_LOOKUP, HttpTransact::_CurrentInfo::state, HttpTransact::ConnectionAttributes::state, TRANSACT_RETURN, URL_WKSIDX_HTTP, VIA_DETAIL_ICP_CONNECT, VIA_DETAIL_ICP_FAILURE, and VIA_DETAIL_ICP_SUCCESS.

Referenced by HandleResponse().

void HttpTransact::handle_response_from_parent

(

State *

s

)

[static]

Definition at line 3477 of file HttpTransact.cc.

References HttpTransact::ConnectionAttributes::addr, ats_ip_ntop(), HttpTransact::_CurrentInfo::attempts, HttpTransact::ConnectionAttributes::connect_result, CONNECTION_ALIVE, CONNECTION_ERROR, HttpTransact::State::current, DebugTxn, find_server_and_update_current_info(), handle_forward_server_connection_open(), handle_parent_died(), HttpTransact::State::hdr_info, HOST_NONE, how_to_open_connection(), HttpTransact::State::http_config_param, HTTP_RELEASE_ASSERT, ink_assert, is_request_retryable(), ParentConfigParams::markParentDown(), HttpTransact::State::next_action, HttpTransact::State::next_hop_scheme, ORIGIN_SERVER, HttpConfigParams::parent_connect_attempts, HttpTransact::State::parent_info, HttpTransact::State::parent_params, PARENT_PROXY, HttpTransact::State::parent_result, HttpConfigParams::per_parent_connect_attempts, PPDNSLookup(), ParentResult::r, ParentConfigParams::recordRetrySuccess(), HttpTransactHeaders::remove_host_name_from_url(), HttpTransact::_CurrentInfo::request_to, ParentResult::retry, IpEndpoint::sa, HttpTransact::_CurrentInfo::server, HttpTransact::State::server_info, HttpTransact::_HeaderInfo::server_request, SET_VIA_STRING, SM_ACTION_DNS_LOOKUP, HttpTransact::_CurrentInfo::state, HttpTransact::ConnectionAttributes::state, TRANSACT_RETURN, URL_WKSIDX_HTTP, HTTPHdr::valid(), VIA_DETAIL_PP_CONNECT, VIA_DETAIL_PP_FAILURE, and VIA_DETAIL_PP_SUCCESS.

Referenced by HandleResponse().

void HttpTransact::handle_response_from_server

(

State *

s

)

[static]

Definition at line 3595 of file HttpTransact.cc.

References ACTIVE_TIMEOUT, HttpTransact::ConnectionAttributes::addr, ats_host_res_match(), HttpTransact::_CurrentInfo::attempts, BAD_INCOMING_RESPONSE, HttpTransact::ConnectionAttributes::clear_connect_fail(), CONGEST_CONTROL_CONGESTED_ON_F, CONGEST_CONTROL_CONGESTED_ON_M, OverridableHttpConfigParams::connect_attempts_max_retries, OverridableHttpConfigParams::connect_attempts_max_retries_dead_server, OverridableHttpConfigParams::connect_attempts_rr_retries, CongestionEntry::connect_retries(), CONNECTION_ALIVE, CONNECTION_CLOSED, CONNECTION_ERROR, HttpTransact::State::current, DebugTxn, delete_server_rr_entry(), HttpTransact::State::dns_info, HttpTransact::ConnectionAttributes::dns_round_robin, HttpTransact::State::fp_tsremap_os_response, HttpTransact::ConnectionAttributes::had_connect_fail(), handle_forward_server_connection_open(), handle_server_connection_not_open(), HttpClientSession::host_res_style, how_to_open_connection(), HTTP_RELEASE_ASSERT, INACTIVE_TIMEOUT, ink_assert, is_request_retryable(), is_server_negative_cached(), HttpTransact::_DNSLookupInfo::lookup_success, HttpTransact::State::next_action, OPEN_RAW_ERROR, HttpTransact::_DNSLookupInfo::os_addr_style, HttpTransact::_DNSLookupInfo::OS_ADDR_TRY_CLIENT, OSDNSLookup(), PARSE_ERROR, HttpTransact::State::pCongestionEntry, HttpTransact::State::remap_plugin_instance, retry_server_connection_not_open(), IpEndpoint::sa, HttpTransact::_CurrentInfo::server, HttpTransact::State::server_info, HttpTransact::ConnectionAttributes::set_connect_fail(), SET_VIA_STRING, SM_ACTION_DNS_LOOKUP, HttpTransact::_DNSLookupInfo::srv_lookup_success, HttpTransact::_CurrentInfo::state, HttpTransact::ConnectionAttributes::state, HttpTransact::State::state_machine, STATE_UNDEFINED, TRANSACT_RETURN, HttpTransact::State::txn_conf, HttpSM::ua_session, VIA_DETAIL_SERVER_CONNECT, VIA_DETAIL_SERVER_FAILURE, and VIA_DETAIL_SERVER_SUCCESS.

Referenced by HandleResponse().

void HttpTransact::handle_response_keep_alive_headers	(	State *	s,
		HTTPVersion	ver,
		HTTPHdr *	heads
	)			[static]

Definition at line 6827 of file HttpTransact.cc.

References CHUNKED_ENCODING, OverridableHttpConfigParams::chunking_enabled, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_response, HttpTransact::State::current, DebugTxn, HttpTransact::State::did_upgrade_succeed, MIMEHdr::field_delete(), MIMEHdr::get_content_length(), HttpTransact::State::hdr_info, HTTP_KEEPALIVE, HTTP_LEN_CHUNKED, HTTP_MAJOR, HTTP_NO_KEEPALIVE, HTTP_STATUS_NO_CONTENT, HTTP_STATUS_NOT_MODIFIED, HTTP_STATUS_SWITCHING_PROTOCOL, HTTP_VALUE_CHUNKED, HttpTransact::ConnectionAttributes::http_version, HTTP_WKSIDX_PUSH, ink_assert, is_response_body_precluded(), HttpTransact::State::is_upgrade_request, HttpTransact::State::is_websocket, HttpTransact::ConnectionAttributes::keep_alive, HTTPVersion::m_version, HttpTransact::State::method, MIME_FIELD_CONNECTION, MIME_FIELD_CONTENT_LENGTH, MIME_FIELD_PROXY_CONNECTION, MIME_FIELD_TRANSFER_ENCODING, MIME_FIELD_UPGRADE, MIME_LEN_CONNECTION, MIME_LEN_CONTENT_LENGTH, MIME_LEN_PROXY_CONNECTION, MIME_LEN_TRANSFER_ENCODING, MIME_LEN_UPGRADE, HttpTransact::ConnectionAttributes::proxy_connect_hdr, HttpTransact::ConnectionAttributes::receive_chunked_response, HttpTransact::_CurrentInfo::server, HttpTransact::_HeaderInfo::server_response, HttpTransact::State::source, SOURCE_CACHE, SOURCE_HTTP_ORIGIN_SERVER, SOURCE_TRANSFORM, HTTPHdr::status_get(), HttpTransact::ConnectionAttributes::transfer_encoding, HttpTransact::_HeaderInfo::trust_response_cl, HttpTransact::State::txn_conf, HTTPHdr::type_get(), HTTPHdr::valid(), MIMEHdr::value_append(), and MIMEHdr::value_set().

Referenced by build_response().

void HttpTransact::handle_server_connection_not_open

(

State *

s

)

[static]

Definition at line 3786 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, build_response_from_cache(), CACHE_DO_DELETE, CACHE_DO_LOOKUP, CACHE_DO_NO_ACTION, CACHE_DO_SERVE, CACHE_DO_UNDEFINED, CACHE_DO_UPDATE, CACHE_DO_WRITE, HttpTransact::State::cache_info, CACHE_PREPARE_TO_DELETE, CACHE_PREPARE_TO_UPDATE, CACHE_PREPARE_TO_WRITE, CONNECTION_ALIVE, HttpTransact::State::current, DebugTxn, HttpSM::do_hostdb_update_if_necessary(), HttpTransact::ConnectionAttributes::had_connect_fail(), handle_server_died(), http_broken_server_connections_stat, HTTP_INCREMENT_TRANS_STAT, HTTP_WARNING_CODE_REVALIDATION_FAILED, ink_assert, ink_release_assert, HttpTransact::State::internal_msg_buffer, is_stale_cache_response_returnable(), HttpTransact::State::next_action, HttpTransact::_CacheLookupInfo::object_read, HttpTransact::_CurrentInfo::server, SET_VIA_STRING, HttpTransact::_CurrentInfo::state, HttpTransact::State::state_machine, VIA_SERVER_ERROR, and VIA_SERVER_RESULT.

Referenced by handle_response_from_server().

void HttpTransact::handle_server_died

(

State *

s

)

[static]

Definition at line 7488 of file HttpTransact.cc.

References ACTIVE_TIMEOUT, HttpTransact::State::api_txn_active_timeout_value, HttpTransact::State::api_txn_connect_timeout_value, BAD_INCOMING_RESPONSE, BOGUS_OR_NO_DATE_IN_RESPONSE, build_error_response(), HttpTransact::State::cause_of_death_errno, CONGEST_CONTROL_CONGESTED_ON_F, CONGEST_CONTROL_CONGESTED_ON_M, CONGEST_SUM_GLOBAL_DYN_STAT, congested_on_F_stat, HttpTransact::State::congestion_congested_or_failed, CONNECTION_ALIVE, CONNECTION_CLOSED, CONNECTION_ERROR, HttpTransact::State::current, DebugTxn, CongestionEntry::F_congested(), CongestionEntry::failed_at(), get_error_string(), CongestionEntry::getErrorPage(), HttpTransact::State::hdr_info, INACTIVE_TIMEOUT, ink_release_assert, MISSING_REASON_PHRASE, MISSING_STATUS_CODE, NO_RESPONSE_HEADER_ERROR, NON_EXISTANT_RESPONSE_HEADER, NOT_A_RESPONSE_HEADER, HttpTransact::_CurrentInfo::now, OPEN_RAW_ERROR, PARSE_ERROR, HttpTransact::State::pCongestionEntry, HttpTransact::_HeaderInfo::response_error, CongestionEntry::stat_inc_F(), HttpTransact::_CurrentInfo::state, STATE_UNDEFINED, and TRANSACTION_COMPLETE.

Referenced by handle_response_from_icp_suggested_host(), handle_server_connection_not_open(), and OriginServerRawOpen().

bool HttpTransact::handle_trace_and_options_requests	(	State *	s,
		HTTPHdr *	incoming_hdr
	)			[static]

Definition at line 5361 of file HttpTransact.cc.

References Allocator::alloc_void(), ats_malloc(), buffer_size_to_index(), build_response(), HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_response, HttpTransact::State::current, DebugTxn, Log::error(), HttpTransact::State::free_internal_msg_buffer(), MIMEHdr::get_max_forwards(), HttpTransact::State::hdr_info, HTTP_INCREMENT_TRANS_STAT, HTTP_RELEASE_ASSERT, HTTP_STATUS_OK, http_tunnels_stat, HttpTransact::ConnectionAttributes::http_version, HTTP_WKSIDX_OPTIONS, HTTP_WKSIDX_TRACE, ink_assert, HttpTransactHeaders::insert_supported_methods_in_response(), HttpTransact::State::internal_msg_buffer, HttpTransact::State::internal_msg_buffer_fast_allocator_size, HttpTransact::State::internal_msg_buffer_index, HttpTransact::State::internal_msg_buffer_size, ioBufAllocator, HTTPHdr::length_get(), max_iobuffer_size, HttpTransact::State::method, MIME_PRESENCE_MAX_FORWARDS, HttpTransact::_CurrentInfo::mode, MIMEHdr::presence(), HTTPHdr::print(), HttpTransact::State::scheme, MIMEHdr::set_content_length(), MIMEHdr::set_max_forwards(), SET_VIA_STRING, HTTPHdr::type_get(), VIA_DETAIL_TUNNEL, and VIA_DETAIL_TUNNEL_NO_FORWARD.

Referenced by HandleRequest().

void HttpTransact::handle_transform_cache_write

(

State *

s

)

[static]

Definition at line 4687 of file HttpTransact.cc.

References HttpTransact::State::cache_info, CACHE_PREPARE_TO_WRITE, CACHE_WL_FAIL, CACHE_WL_SUCCESS, ink_assert, ink_release_assert, SM_ACTION_TRANSFORM_READ, TRANSACT_RETURN, HttpTransact::_CacheLookupInfo::transform_action, HttpTransact::_CacheLookupInfo::transform_write_status, and HttpTransact::_CacheLookupInfo::write_lock_state.

Referenced by handle_transform_ready().

void HttpTransact::handle_transform_ready

(

State *

s

)

[static]

Definition at line 4709 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::State::api_info, build_response(), CACHE_DO_DELETE, CACHE_DO_NO_ACTION, HttpTransact::State::cache_info, _HttpApiInfo::cache_transformed, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::_HeaderInfo::client_response, HttpTransact::State::cop_test_page, DUMP_HEADER, handle_transform_cache_write(), HttpTransact::State::hdr_info, HttpTransact::ConnectionAttributes::http_version, ink_assert, ink_release_assert, is_action_tag_set, HttpTransact::State::pre_transform_source, HttpTransact::State::range_setup, HTTPInfo::request_get(), HTTPInfo::response_get(), HttpTransact::_HeaderInfo::server_request, set_headers_for_cache_write(), SM_ACTION_CACHE_ISSUE_WRITE_TRANSFORM, SM_ACTION_TRANSFORM_READ, HttpTransact::State::source, SOURCE_CACHE, SOURCE_HTTP_ORIGIN_SERVER, HttpTransact::State::state_machine_id, TRANSACT_RETURN, HttpTransact::_CacheLookupInfo::transform_action, HttpTransact::_HeaderInfo::transform_response, HttpTransact::_CacheLookupInfo::transform_store, and HTTPHdr::valid().

Referenced by HttpSM::state_response_wait_for_transform_read().

bool HttpTransact::handle_upgrade_request

(

State *

s

)

[static]

Definition at line 984 of file HttpTransact.cc.

References build_error_response(), HttpTransact::_HeaderInfo::client_request, StrList::count, DebugTxn, MIMEHdr::field_find(), StrList::get_idx(), handle_websocket_upgrade_pre_remap(), HttpTransact::State::hdr_info, hdrtoken_tokenize(), HTTP_STATUS_BAD_REQUEST, HTTP_WKSIDX_GET, HttpTransact::State::is_upgrade_request, Str::len, HttpTransact::State::method, MIME_FIELD_CONNECTION, MIME_FIELD_SEC_WEBSOCKET_KEY, MIME_FIELD_SEC_WEBSOCKET_VERSION, MIME_FIELD_UPGRADE, MIME_LEN_CONNECTION, MIME_LEN_SEC_WEBSOCKET_KEY, MIME_LEN_SEC_WEBSOCKET_VERSION, MIME_LEN_UPGRADE, MIME_PRESENCE_CONNECTION, MIME_PRESENCE_UPGRADE, MIME_VALUE_WEBSOCKET, MIMEHdr::presence(), ptr_len_casecmp(), SM_ACTION_SEND_ERROR_CACHE_NOOP, Str::str, TRANSACT_RETURN_VAL, HttpTransact::State::upgrade_token_wks, val, MIMEField::value_get(), MIMEField::value_get_comma_list(), MIMEField::value_get_int(), and HTTPHdr::version_get().

Referenced by ModifyRequest().

void HttpTransact::handle_websocket_connection

(

State *

s

)

[static]

Definition at line 1108 of file HttpTransact.cc.

References DebugTxn, and HandleRequest().

Referenced by handle_websocket_upgrade_post_remap().

void HttpTransact::handle_websocket_upgrade_post_remap

(

State *

s

)

[static]

Definition at line 1101 of file HttpTransact.cc.

References DebugTxn, handle_websocket_connection(), SM_ACTION_API_POST_REMAP, and TRANSACT_RETURN.

void HttpTransact::handle_websocket_upgrade_pre_remap

(

State *

s

)

[static]

Definition at line 1073 of file HttpTransact.cc.

References build_error_response(), HttpTransact::_HeaderInfo::client_request, DebugTxn, HttpTransact::State::hdr_info, HTTP_STATUS_BAD_REQUEST, HttpTransact::State::is_websocket, HttpTransact::State::post_remap_upgrade_return_point, URL::scheme_get_wksidx(), URL::scheme_set(), SM_ACTION_API_READ_REQUEST_HDR, SM_ACTION_SEND_ERROR_CACHE_NOOP, StartRemapRequest(), TRANSACT_RETURN, HTTPHdr::url_get(), URL_LEN_WS, URL_LEN_WSS, URL_SCHEME_WS, URL_SCHEME_WSS, URL_WKSIDX_HTTP, and URL_WKSIDX_HTTPS.

Referenced by handle_upgrade_request().

void HttpTransact::HandleApiErrorJump

(

State *

s

)

[static]

The API indicated an error. Lets use a >=400 error from the state (if one's set) or fallback to a generic HTTP/1.X 500 INKApi Error

Definition at line 1460 of file HttpTransact.cc.

References build_response(), HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_response, DebugTxn, MIMEHdr::fields_clear(), HttpTransact::State::hdr_info, http_hdr_reason_lookup(), HttpTransact::State::http_return_code, HTTP_STATUS_BAD_REQUEST, HTTP_STATUS_INTERNAL_SERVER_ERROR, HttpTransact::ConnectionAttributes::http_version, HttpTransact::State::next_hop_scheme, SM_ACTION_INTERNAL_CACHE_NOOP, HttpTransact::State::source, TRANSACT_RETURN, URL_WKSIDX_HTTP, and HTTPHdr::valid().

Referenced by HttpSM::do_cache_prepare_update(), HandleUpdateCachedObject(), HttpSM::state_api_callout(), and HttpSM::state_common_wait_for_transform_read().

static void HttpTransact::HandleAuth

(

State *

s

)

[static]

static void HttpTransact::HandleAuthFailed

(

State *

s

)

[static]

void HttpTransact::HandleBadPushRespHdr

(

State *

s

)

[static]

Definition at line 2142 of file HttpTransact.cc.

References HandlePushError().

Referenced by HttpSM::state_read_push_response_header().

void HttpTransact::HandleBlindTunnel

(

State *

s

)

[static]

Definition at line 597 of file HttpTransact.cc.

References ats_ip_ntop(), bootstrap_state_variables_from_request(), build_error_response(), HttpTransact::_HeaderInfo::client_request, HTTPHdr::create(), HttpTransact::State::current, DebugTxn, Log::error(), NetVConnection::get_local_addr(), NetVConnection::get_local_port(), HttpClientSession::get_netvc(), HandleRequest(), HttpTransact::State::hdr_info, URL::host_get(), URL::host_set(), HTTP_LEN_CONNECT, atscppapi::HTTP_METHOD_CONNECT, HTTP_STATUS_INTERNAL_SERVER_ERROR, HTTP_TYPE_REQUEST, is_debug_tag_set, HTTPHdr::method_set(), HttpTransact::_CurrentInfo::mode, URL::port_get(), URL::port_set(), request_url_remap(), URL::scheme_set(), SM_ACTION_SEND_ERROR_CACHE_NOOP, HttpTransact::State::state_machine, TRANSACT_RETURN, HttpTransact::State::transparent_passthrough, HttpSM::ua_session, HTTPHdr::url_create(), HTTPHdr::url_get(), URL_LEN_TUNNEL, URL_REMAP_ALL, URL_REMAP_DEFAULT, url_remap_mode, URL_SCHEME_TUNNEL, HTTPHdr::url_set(), and HTTPHdr::version_set().

Referenced by HttpSM::setup_blind_tunnel_port().

void HttpTransact::HandleCacheOpenRead

(

State *

s

)

[static]

Definition at line 2176 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::State::cache_info, CACHE_LOOKUP_DOC_BUSY, HttpTransact::State::cache_lookup_result, DebugTxn, HttpTransact::State::force_dns, HandleCacheOpenReadHitFreshness(), HandleCacheOpenReadMiss(), HandleCacheOpenReadPush(), HTTP_WKSIDX_PUSH, HttpTransact::State::method, HttpTransact::_CacheLookupInfo::object_read, OSDNSLookup(), SET_VIA_STRING, SM_ACTION_API_READ_CACHE_HDR, SM_ACTION_DNS_LOOKUP, TRANSACT_RETURN, VIA_DETAIL_CACHE, VIA_DETAIL_CACHE_LOOKUP, VIA_DETAIL_CACHE_TYPE, and VIA_DETAIL_MISS_NOT_CACHED.

Referenced by HttpSM::state_cache_open_read().

void HttpTransact::HandleCacheOpenReadHit

(

State *

s

)

[static]

Definition at line 2557 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::ConnectionAttributes::addr, HttpTransact::State::api_update_cached_object, ats_is_ip(), HttpTransact::_DNSLookupInfo::attempts, AUTHENTICATION_CACHE_AUTH, AUTHENTICATION_MUST_PROXY, AUTHENTICATION_MUST_REVALIDATE, AUTHENTICATION_SUCCESS, AuthenticationNeeded(), build_request(), build_response_from_cache(), CACHE_AUTH_STALE, HttpTransact::State::cache_info, CACHE_LOOKUP_HIT_FRESH, CACHE_LOOKUP_HIT_STALE, CACHE_LOOKUP_HIT_WARNING, HttpTransact::State::cache_lookup_result, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::current, DebugTxn, HttpTransact::State::dns_info, find_server_and_update_current_info(), handle_parent_died(), HandleCacheOpenReadMiss(), HttpTransact::State::hdr_info, how_to_open_connection(), HttpTransact::State::http_config_param, HTTP_VALUE_NO_CACHE, HttpTransact::ConnectionAttributes::http_version, HTTP_WARNING_CODE_HERUISTIC_EXPIRATION, HTTP_WARNING_CODE_NONE, HTTP_WARNING_CODE_REVALIDATION_FAILED, icp_dynamic_enabled, HttpConfigParams::icp_enabled, HttpTransact::State::icp_info, ICP_SUGGESTED_HOST, ink_assert, ink_release_assert, HTTPHdr::is_cache_control_set(), is_cache_response_returnable(), HTTPHdr::is_pragma_no_cache_set(), HttpTransact::_CacheLookupInfo::is_ram_cache_hit, is_server_negative_cached(), is_stale_cache_response_returnable(), issue_revalidate(), HttpTransact::ConnectionAttributes::keep_alive, OverridableHttpConfigParams::keep_alive_enabled_out, HttpTransact::State::next_action, HttpTransact::_CacheLookupInfo::object_read, HttpTransact::_CacheLookupInfo::object_store, ORIGIN_SERVER, OSDNSLookup(), PARENT_PROXY, HttpTransact::State::pending_work, PPDNSLookup(), HttpTransact::_CurrentInfo::request_to, HttpTransact::State::saved_update_cache_action, HttpTransact::State::saved_update_next_action, HttpTransact::_CurrentInfo::server, HttpTransact::_HeaderInfo::server_request, HTTPVersion::set(), SET_VIA_STRING, SM_ACTION_DNS_LOOKUP, SM_ACTION_ORIGIN_SERVER_OPEN, SM_ACTION_ORIGIN_SERVER_RAW_OPEN, HttpConfigParams::stale_icp_enabled, HttpTransact::State::stale_icp_lookup, TRANSACT_RETURN, HttpTransact::State::txn_conf, UNDEFINED_LOOKUP, UPDATE_CACHED_OBJECT_CONTINUE, update_current_info(), VIA_CACHE_RESULT, VIA_DETAIL_CACHE, VIA_DETAIL_CACHE_LOOKUP, VIA_DETAIL_CACHE_TYPE, VIA_DETAIL_MISS_EXPIRED, VIA_DETAIL_MISS_METHOD, VIA_IN_CACHE_FRESH, VIA_IN_RAM_CACHE_FRESH, and HttpTransact::State::www_auth_content.

Referenced by HandleCacheOpenReadHitFreshness(), and OSDNSLookup().

void HttpTransact::HandleCacheOpenReadHitFreshness

(

State *

s

)

[static]

Definition at line 2369 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::State::cache_info, CACHE_LOOKUP_HIT_STALE, CACHE_LOOKUP_MISS, CACHE_LOOKUP_NONE, HttpTransact::State::cache_lookup_result, CallOSDNSLookup(), HttpTransact::_HeaderInfo::client_request, HttpTransact::State::client_request_time, DebugTxn, delete_all_document_alternates_and_return(), HttpTransact::State::force_dns, FRESHNESS_FRESH, FRESHNESS_STALE, FRESHNESS_WARNING, HandleCacheOpenReadHit(), HttpTransact::State::hdr_info, ink_assert, ink_release_assert, HttpTransact::State::is_revalidation_necessary, min(), need_to_revalidate(), HttpTransact::State::next_action, HttpTransact::_CacheLookupInfo::object_read, HttpTransact::State::request_sent_time, HttpTransact::State::response_received_time, SET_VIA_STRING, SM_ACTION_API_CACHE_LOOKUP_COMPLETE, TRANSACT_RETURN, UNDEFINED_TIME, VIA_DETAIL_CACHE_LOOKUP, VIA_DETAIL_MISS_EXPIRED, and what_is_document_freshness().

Referenced by handle_cache_write_lock(), and HandleCacheOpenRead().

void HttpTransact::HandleCacheOpenReadMiss

(

State *

s

)

[static]

Definition at line 3024 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::ConnectionAttributes::addr, HttpTransact::State::api_req_cacheable, ats_is_ip(), build_error_response(), build_request(), HttpTransact::State::cache_info, OverridableHttpConfigParams::cache_range_write, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::current, DebugTxn, delete_all_document_alternates_and_return(), does_method_require_cache_copy_deletion(), find_server_and_update_current_info(), GET_VIA_STRING, handle_parent_died(), HttpTransact::State::hdr_info, how_to_open_connection(), HttpTransact::State::http_config_param, HTTP_STATUS_GATEWAY_TIMEOUT, HTTP_VALUE_NO_CACHE, HTTP_VALUE_ONLY_IF_CACHED, HttpTransact::ConnectionAttributes::http_version, icp_dynamic_enabled, HttpConfigParams::icp_enabled, ink_release_assert, HTTPHdr::is_cache_control_set(), HTTPHdr::is_pragma_no_cache_set(), HttpTransact::State::method, MIME_PRESENCE_RANGE, HttpTransact::State::next_action, HttpConfigParams::no_dns_forward_to_parent, HttpTransact::_CacheLookupInfo::object_read, PARENT_PROXY, PPDNSLookup(), MIMEHdr::presence(), RANGE_NOT_HANDLED, RANGE_NOT_SATISFIABLE, HttpTransact::State::range_setup, HttpTransact::State::request_sent_time, HttpTransact::_CurrentInfo::request_to, HttpTransact::State::response_received_time, HttpTransact::_CurrentInfo::server, HttpTransact::_HeaderInfo::server_request, SET_VIA_STRING, SM_ACTION_DNS_LOOKUP, TRANSACT_RETURN, HttpTransact::State::txn_conf, VIA_CACHE_MISS, VIA_CACHE_RESULT, VIA_DETAIL_CACHE_LOOKUP, and VIA_DETAIL_MISS_NOT_CACHED.

Referenced by build_response_from_cache(), HandleCacheOpenRead(), HandleCacheOpenReadHit(), and OSDNSLookup().

void HttpTransact::HandleCacheOpenReadPush	(	State *	s,
		bool	read_successful
	)			[static]

Definition at line 2032 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::State::cache_info, HandlePushResponseHdr(), SM_ACTION_READ_PUSH_HDR, and TRANSACT_RETURN.

Referenced by HandleCacheOpenRead().

void HttpTransact::HandleFiltering

(

State *

s

)

[static]

Definition at line 1865 of file HttpTransact.cc.

References build_error_response(), DebugTxn, DecideCacheLookup(), HttpTransact::State::http_config_param, HTTP_STATUS_FORBIDDEN, HTTP_WKSIDX_PUSH, ink_release_assert, HttpTransact::State::method, HttpConfigParams::push_method_enabled, SET_VIA_STRING, SM_ACTION_SEND_ERROR_CACHE_NOOP, TRANSACT_RETURN, VIA_DETAIL_TUNNEL, and VIA_DETAIL_TUNNEL_NO_FORWARD.

Referenced by HttpSM::set_next_state().

void HttpTransact::HandleICPLookup

(

State *

s

)

[static]

Definition at line 3121 of file HttpTransact.cc.

References HttpTransact::ConnectionAttributes::addr, Arena::alloc(), HttpTransact::State::arena, ats_ip4_set(), ats_ip_addr_cmp(), ats_is_ip(), build_request(), HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::current, DebugTxn, find_server_and_update_current_info(), HttpTransact::State::hdr_info, how_to_open_connection(), http_icp_suggested_lookups_stat, HTTP_INCREMENT_TRANS_STAT, HttpTransact::ConnectionAttributes::http_version, HttpTransact::State::icp_info, HttpTransact::State::icp_ip_result, HttpTransact::State::icp_lookup_success, ICP_SUGGESTED_HOST, ink_assert, ink_release_assert, Machine::instance(), HttpTransact::ConnectionAttributes::keep_alive, OverridableHttpConfigParams::keep_alive_enabled_out, HttpTransact::ConnectionAttributes::name, HttpTransact::State::next_action, HttpTransact::State::next_hop_scheme, HttpTransact::State::parent_info, PARENT_PROXY, HttpTransact::ConnectionAttributes::port, PPDNSLookup(), HttpTransact::_CurrentInfo::request_to, IpEndpoint::sa, HttpTransact::_CurrentInfo::server, HttpTransact::_HeaderInfo::server_request, HTTPVersion::set(), SET_VIA_STRING, SM_ACTION_DNS_LOOKUP, HttpTransact::State::stale_icp_lookup, TRANSACT_RETURN, HttpTransact::State::txn_conf, update_current_info(), URL_WKSIDX_HTTP, HTTPHdr::valid(), VIA_DETAIL_CACHE_LOOKUP, VIA_DETAIL_CACHE_TYPE, VIA_DETAIL_ICP, and VIA_DETAIL_MISS_NOT_CACHED.

Referenced by HttpSM::state_icp_lookup().

bool HttpTransact::handleIfRedirect

(

State *

s

)

[static]

Definition at line 1242 of file HttpTransact.cc.

References HttpTransact::State::arena, build_error_response(), HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HdrHeapSDKHandle::destroy(), HttpTransact::State::hdr_info, HTTP_STATUS_MOVED_PERMANENTLY, HTTP_STATUS_MOVED_TEMPORARILY, HTTP_STATUS_TEMPORARY_REDIRECT, HTTP_VERSION, PERMANENT_REDIRECT, HttpTransact::State::remap_redirect, request_url_remap_redirect(), Arena::str_free(), URL::string_get(), and TEMPORARY_REDIRECT.

Referenced by EndRemapRequest().

void HttpTransact::HandlePushCacheWrite

(

State *

s

)

[static]

Definition at line 2092 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::State::cache_info, CACHE_PREPARE_TO_UPDATE, CACHE_PREPARE_TO_WRITE, CACHE_WL_FAIL, CACHE_WL_INIT, CACHE_WL_READ_RETRY, CACHE_WL_SUCCESS, HandlePushError(), HttpTransact::State::hdr_info, ink_release_assert, HttpTransact::_CacheLookupInfo::object_store, HttpTransact::_HeaderInfo::server_request, HttpTransact::_HeaderInfo::server_response, set_headers_for_cache_write(), SM_ACTION_STORE_PUSH_BODY, TRANSACT_RETURN, and HttpTransact::_CacheLookupInfo::write_lock_state.

Referenced by HandlePushResponseHdr().

void HttpTransact::HandlePushError	(	State *	s,
		const char *	reason
	)			[static]

Definition at line 2148 of file HttpTransact.cc.

References build_error_response(), HttpTransact::State::client_info, HTTP_STATUS_BAD_REQUEST, HttpTransact::ConnectionAttributes::keep_alive, HttpSM::set_ua_half_close_flag(), and HttpTransact::State::state_machine.

Referenced by DecideCacheLookup(), HandleBadPushRespHdr(), HandlePushCacheWrite(), HandlePushResponseHdr(), and HandlePushTunnelFailure().

void HttpTransact::HandlePushResponseHdr

(

State *

s

)

[static]

Definition at line 2052 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::State::cache_info, CACHE_PREPARE_TO_UPDATE, CACHE_PREPARE_TO_WRITE, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::cop_test_page, HTTPHdr::copy(), HTTPHdr::create(), DUMP_HEADER, HandlePushCacheWrite(), HandlePushError(), HttpTransact::State::hdr_info, HTTP_LEN_GET, atscppapi::HTTP_METHOD_GET, HTTP_TYPE_REQUEST, ink_assert, ink_cluster_time(), is_response_cacheable(), HTTPHdr::method_set(), HttpSM::pushed_response_hdr_bytes, HttpTransact::_HeaderInfo::request_content_length, HttpTransact::State::request_sent_time, HttpTransact::State::response_received_time, HttpTransact::_HeaderInfo::server_request, HttpTransact::_HeaderInfo::server_response, SM_ACTION_CACHE_ISSUE_WRITE, HttpTransact::State::state_machine, HttpTransact::State::state_machine_id, TRANSACT_RETURN, and MIMEHdr::value_set().

Referenced by HandleCacheOpenReadPush(), and HttpSM::state_read_push_response_header().

void HttpTransact::HandlePushTunnelFailure

(

State *

s

)

[static]

Definition at line 2136 of file HttpTransact.cc.

References HandlePushError().

Referenced by HttpSM::tunnel_handler_push().

void HttpTransact::HandlePushTunnelSuccess

(

State *

s

)

[static]

Definition at line 2122 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, build_response(), CACHE_DO_REPLACE, CACHE_DO_WRITE, HttpTransact::State::cache_info, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_response, HttpTransact::State::hdr_info, HTTP_STATUS_CREATED, HTTP_STATUS_OK, HttpTransact::ConnectionAttributes::http_version, ink_assert, SM_ACTION_INTERNAL_CACHE_NOOP, and TRANSACT_RETURN.

Referenced by HttpSM::tunnel_handler_push().

void HttpTransact::HandleRequest

(

State *

s

)

[static]

Definition at line 1271 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::ConnectionAttributes::addr, HttpTransact::State::api_release_server_session, ats_ip_copy(), ats_ip_invalidate(), ats_ip_pton(), ats_is_ip(), build_error_response(), OverridableHttpConfigParams::cache_http, HttpTransact::State::cache_info, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::cop_test_page, HttpTransact::State::current, DebugTxn, HttpRequestData::dest_ip, HttpTransact::State::dns_info, DUMP_HEADER, HttpSM::enable_redirection, HttpTransact::State::force_dns, handle_internal_request(), handle_trace_and_options_requests(), HttpTransact::State::hdr_info, ControlMatcher< Data, Result >::hostMatch, HttpTransact::State::http_config_param, http_incoming_requests_stat, HTTP_INCREMENT_TRANS_STAT, http_invalid_client_requests_stat, HTTP_PLUGIN_AS_INTERCEPT, HTTP_STATUS_BAD_GATEWAY, https_incoming_requests_stat, initialize_state_variables_from_request(), ink_assert, is_debug_tag_set, is_request_cache_lookupable(), is_request_valid(), HttpTransact::_DNSLookupInfo::lookup_name, HTTPHdr::m_http, HttpTransact::_CurrentInfo::mode, HttpTransact::ConnectionAttributes::name, HttpTransact::State::next_action, HttpConfigParams::no_dns_forward_to_parent, HttpConfigParams::no_origin_server_dns, obj_describe(), OSDNSLookup(), HttpTransact::State::parent_params, ParentConfigParams::parentExists(), ParentConfigParams::ParentTable, HttpSM::plugin_tunnel_type, HttpTransact::ConnectionAttributes::port_attribute, HttpTransact::_RedirectInfo::redirect_in_process, HttpTransact::State::redirect_info, HttpTransact::State::request_data, HttpTransact::State::scheme, HttpTransact::State::server_info, HttpTransact::_HeaderInfo::server_request, setup_plugin_request_intercept(), SM_ACTION_CACHE_LOOKUP, SM_ACTION_DNS_LOOKUP, SM_ACTION_INTERNAL_CACHE_NOOP, SM_ACTION_INTERNAL_REQUEST, SM_ACTION_SEND_ERROR_CACHE_NOOP, HttpTransact::State::srv_lookup, StartAccessControl(), HttpTransact::State::state_machine, HttpTransact::State::state_machine_id, TRANSACT_RETURN, HttpProxyPort::TRANSPORT_SSL, HttpTransact::State::txn_conf, update_cache_control_information_from_config(), URL_WKSIDX_HTTPS, and HTTPHdr::valid().

Referenced by EndRemapRequest(), HttpSM::handle_api_return(), handle_websocket_connection(), HandleBlindTunnel(), StartRemapRequest(), and HttpSM::state_remap_request().

void HttpTransact::HandleRequestAuthorized

(

State *

s

)

[static]

Definition at line 1852 of file HttpTransact.cc.

References DecideCacheLookup(), HttpTransact::State::force_dns, SM_ACTION_API_OS_DNS, and TRANSACT_RETURN.

Referenced by StartAccessControl().

void HttpTransact::HandleResponse

(

State *

s

)

[static]

Definition at line 3256 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, CACHE_DO_LOOKUP, CACHE_DO_SERVE, CACHE_DO_WRITE, HttpTransact::State::cache_info, CACHE_PREPARE_TO_DELETE, CACHE_PREPARE_TO_UPDATE, CACHE_PREPARE_TO_WRITE, HttpTransact::State::cop_test_page, HttpTransact::State::current, DebugTxn, DUMP_HEADER, handle_response_from_icp_suggested_host(), handle_response_from_parent(), handle_response_from_server(), HttpTransact::State::hdr_info, http_incoming_responses_stat, HTTP_INCREMENT_TRANS_STAT, ICP_SUGGESTED_HOST, initialize_state_variables_from_response(), ink_assert, ink_cluster_time(), ink_release_assert, is_response_valid(), HttpTransact::_CurrentInfo::now, ORIGIN_SERVER, PARENT_PROXY, HttpTransact::State::request_sent_time, HttpTransact::_CurrentInfo::request_to, HttpTransact::State::response_received_time, HttpTransact::_HeaderInfo::server_response, HttpTransact::State::source, HttpTransact::State::state_machine_id, and UNDEFINED_LOOKUP.

Referenced by handle_100_continue_response(), HttpSM::handle_post_failure(), HttpSM::handle_server_setup_error(), LookupSkipOpenServer(), OSDNSLookup(), HttpSM::state_api_callout(), HttpSM::state_http_server_open(), HttpSM::state_raw_http_server_open(), and HttpSM::state_read_server_response_header().

void HttpTransact::HandleStatPage

(

State *

s

)

[static]

Definition at line 3366 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, build_response(), HttpTransact::State::cache_info, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_response, HttpTransact::State::hdr_info, HttpTransact::ConnectionAttributes::http_version, HttpTransact::State::internal_msg_buffer, HttpTransact::State::internal_msg_buffer_size, HttpTransact::State::internal_msg_buffer_type, MIME_FIELD_CONTENT_TYPE, MIME_LEN_CONTENT_TYPE, HttpTransact::State::next_action, MIMEHdr::set_content_length(), and MIMEHdr::value_set().

Referenced by HttpSM::state_handle_stat_page().

void HttpTransact::HandleUpdateCachedObject

(

State *

s

)

[static]

Definition at line 3320 of file HttpTransact.cc.

References HttpTransact::State::api_update_cached_object, HttpTransact::State::cache_info, CACHE_WL_SUCCESS, HandleApiErrorJump(), HandleUpdateCachedObjectContinue(), ink_assert, HttpTransact::_CacheLookupInfo::object_read, HttpTransact::_CacheLookupInfo::object_store, HTTPInfo::request_get(), HttpTransact::State::request_sent_time, HTTPInfo::request_sent_time_get(), HTTPInfo::request_set(), HTTPInfo::response_get(), HttpTransact::State::response_received_time, HTTPInfo::response_received_time_get(), SM_ACTION_CACHE_ISSUE_UPDATE, TRANSACT_RETURN, UPDATE_CACHED_OBJECT_CONTINUE, HTTPInfo::valid(), and HttpTransact::_CacheLookupInfo::write_lock_state.

void HttpTransact::HandleUpdateCachedObjectContinue

(

State *

s

)

[static]

Definition at line 3347 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::State::api_update_cached_object, HttpTransact::State::cache_info, ink_assert, HttpTransact::State::next_action, HttpTransact::State::saved_update_cache_action, HttpTransact::State::saved_update_next_action, and UPDATE_CACHED_OBJECT_CONTINUE.

Referenced by HandleUpdateCachedObject().

void HttpTransact::histogram_request_document_size	(	State *	s,
		int64_t	size
	)			[static]

Definition at line 8294 of file HttpTransact.cc.

References HTTP_INCREMENT_TRANS_STAT, http_request_document_size_100_stat, http_request_document_size_10K_stat, http_request_document_size_1K_stat, http_request_document_size_1M_stat, http_request_document_size_3K_stat, http_request_document_size_5K_stat, and http_request_document_size_inf_stat.

Referenced by update_size_and_time_stats().

void HttpTransact::histogram_response_document_size	(	State *	s,
		int64_t	size
	)			[static]

Definition at line 8273 of file HttpTransact.cc.

References HTTP_INCREMENT_TRANS_STAT, http_response_document_size_100_stat, http_response_document_size_10K_stat, http_response_document_size_1K_stat, http_response_document_size_1M_stat, http_response_document_size_3K_stat, http_response_document_size_5K_stat, and http_response_document_size_inf_stat.

Referenced by update_size_and_time_stats().

void HttpTransact::initialize_state_variables_for_origin_server	(	State *	s,
		HTTPHdr *	incoming_request,
		bool	second_time
	)			[static]

Definition at line 5448 of file HttpTransact.cc.

References HttpTransact::State::arena, HttpTransact::_DNSLookupInfo::attempts, HttpTransact::State::dns_info, HTTPHdr::host_get(), ink_assert, HttpTransact::_DNSLookupInfo::lookup_name, HttpTransact::ConnectionAttributes::name, HttpTransact::ConnectionAttributes::port, HTTPHdr::port_get(), HttpTransact::State::server_info, and Arena::str_store().

Referenced by how_to_open_connection().

void HttpTransact::initialize_state_variables_from_request	(	State *	s,
		HTTPHdr *	obsolete_incoming_request
	)			[static]

Definition at line 5473 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::ConnectionAttributes::addr, HttpTransact::State::api_info, HttpRequestData::api_info, HttpTransact::State::arena, ats_ip_copy(), HttpTransact::_DNSLookupInfo::attempts, HttpTransact::State::cache_info, CHUNKED_ENCODING, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::client_request_time, HttpTransact::State::current, DebugTxn, HttpRequestData::dest_ip, HttpTransact::State::dns_info, Error, HttpTransact::_HeaderInfo::extension_method, MIMEHdr::field_find(), NetVConnection::get_local_port(), HttpClientSession::get_netvc(), HttpRequestData::hdr, HttpTransact::State::hdr_info, HTTPHdr::host_get(), HttpRequestData::hostname_str, http_connect_requests_stat, http_delete_requests_stat, http_extension_method_requests_stat, http_get_requests_stat, http_head_requests_stat, HTTP_INCREMENT_TRANS_STAT, HTTP_KEEPALIVE, http_options_requests_stat, http_post_requests_stat, http_purge_requests_stat, http_push_requests_stat, http_put_requests_stat, http_trace_requests_stat, HttpTransact::ConnectionAttributes::http_version, HTTP_WKSIDX_CONNECT, HTTP_WKSIDX_DELETE, HTTP_WKSIDX_GET, HTTP_WKSIDX_HEAD, HTTP_WKSIDX_OPTIONS, HTTP_WKSIDX_POST, HTTP_WKSIDX_PURGE, HTTP_WKSIDX_PUSH, HTTP_WKSIDX_PUT, HTTP_WKSIDX_TRACE, HttpRequestData::incoming_port, ink_assert, is_header_keep_alive(), HttpTransact::State::is_websocket, HttpTransact::ConnectionAttributes::keep_alive, OverridableHttpConfigParams::keep_alive_enabled_in, HttpTransact::_SquidLogInfo::log_code, HttpTransact::_DNSLookupInfo::looking_up, HttpTransact::_DNSLookupInfo::lookup_name, HttpTransact::State::method, HTTPHdr::method_get_wksidx(), MIME_FIELD_CONNECTION, MIME_FIELD_PROXY_CONNECTION, MIME_LEN_CONNECTION, MIME_LEN_PROXY_CONNECTION, MIME_PRESENCE_IF_MODIFIED_SINCE, MIME_PRESENCE_IF_NONE_MATCH, HttpTransact::_CurrentInfo::mode, HttpTransact::ConnectionAttributes::name, HttpTransact::State::next_hop_scheme, HttpTransact::ConnectionAttributes::pipeline_possible, HttpTransact::ConnectionAttributes::port, HTTPHdr::port_get(), MIMEHdr::presence(), HttpTransact::ConnectionAttributes::proxy_connect_hdr, HttpTransact::_RedirectInfo::redirect_in_process, HttpTransact::State::redirect_info, HttpTransact::_HeaderInfo::request_content_length, HttpTransact::State::request_data, HttpTransact::State::scheme, URL::scheme_get_wksidx(), HttpTransact::State::server_info, SET_VIA_STRING, HttpTransact::State::squid_codes, HttpRequestData::src_ip, HttpTransact::State::state_machine, Arena::str_store(), HttpTransact::ConnectionAttributes::transfer_encoding, HttpTransact::State::txn_conf, HttpSM::ua_session, HTTPHdr::url_get(), URL_WKSIDX_HTTP, URL_WKSIDX_HTTPS, URL_WKSIDX_WS, URL_WKSIDX_WSS, VIA_CLIENT_IMS, VIA_CLIENT_REQUEST, VIA_CLIENT_SIMPLE, VIA_DETAIL_TUNNEL, VIA_DETAIL_TUNNEL_METHOD, and HttpRequestData::xact_start.

Referenced by EndRemapRequest(), and HandleRequest().

void HttpTransact::initialize_state_variables_from_response	(	State *	s,
		HTTPHdr *	incoming_response
	)			[static]

Definition at line 5615 of file HttpTransact.cc.

References HttpTransact::State::cache_info, cl, HttpTransact::State::client_info, HttpTransact::State::cop_test_page, HttpTransact::State::current, DebugTxn, HttpTransact::_CacheLookupInfo::directives, HttpTransactHeaders::does_server_allow_response_to_be_stored(), HttpTransact::_CacheDirectives::does_server_permit_storing, HttpClientSession::f_outbound_transparent, MIMEHdr::field_attach(), MIMEHdr::field_create(), MIMEHdr::field_delete(), MIMEHdr::field_find(), MIMEHdr::field_value_set(), MIMEHdr::get_content_length(), HdrCsvIter::get_first(), HdrCsvIter::get_next(), HttpTransact::State::hdr_info, hdrtoken_string_to_wks(), HttpTransact::State::http_config_param, HTTP_KEEPALIVE, HTTP_UNDEFINED_CL, HTTP_VALUE_CHUNKED, ICP_SUGGESTED_HOST, is_header_keep_alive(), is_response_body_precluded(), HttpTransact::State::is_upgrade_request, HttpTransact::ConnectionAttributes::keep_alive, HdrHeapSDKHandle::m_heap, MIMEHdr::m_mime, HttpTransact::State::method, MIME_FIELD_CONNECTION, MIME_FIELD_PROXY_CONNECTION, MIME_FIELD_TRANSFER_ENCODING, MIME_LEN_CONNECTION, MIME_LEN_PROXY_CONNECTION, MIME_LEN_TRANSFER_ENCODING, MIME_PRESENCE_CONTENT_LENGTH, MIME_PRESENCE_TRANSFER_ENCODING, MIMEField::name_set(), ORIGIN_SERVER, PARENT_PROXY, MIMEHdr::presence(), HttpTransact::_CurrentInfo::request_to, HttpTransact::_HeaderInfo::response_content_length, HttpTransact::_CurrentInfo::server, HttpTransact::_HeaderInfo::server_request, HttpTransact::_HeaderInfo::server_response, HttpTransact::State::state_machine, HTTPHdr::status_get(), HttpSM::t_state, HttpTransact::ConnectionAttributes::transfer_encoding, HttpTransact::_HeaderInfo::trust_response_cl, HttpSM::ua_session, HttpConfigParams::use_client_source_port, MIMEField::value_append(), and HTTPHdr::version_get().

Referenced by HandleResponse().

bool HttpTransact::is_cache_response_returnable

(

State *

s

)

[static]

Definition at line 5746 of file HttpTransact.cc.

References HttpTransact::State::api_resp_cacheable, HttpTransact::State::cache_control, HttpTransact::State::cache_info, OverridableHttpConfigParams::cache_responses_to_cookies, HttpTransact::_HeaderInfo::client_request, HttpTransact::_CacheLookupInfo::directives, do_cookies_prevent_caching(), HttpTransact::_CacheDirectives::does_client_permit_lookup, HttpTransact::State::hdr_info, HttpTransact::State::http_config_param, HttpTransactHeaders::is_method_cacheable(), HttpTransact::State::method, CacheControlResult::never_cache, HttpTransact::_CacheLookupInfo::object_read, HTTPInfo::request_get(), HTTPInfo::response_get(), SET_VIA_STRING, CacheControlResult::ttl_in_cache, HttpTransact::State::txn_conf, VIA_CACHE_RESULT, VIA_DETAIL_CACHE_LOOKUP, VIA_DETAIL_MISS_CLIENT, VIA_DETAIL_MISS_CONFIG, VIA_DETAIL_MISS_COOKIE, VIA_DETAIL_MISS_METHOD, and VIA_IN_CACHE_NOT_ACCEPTABLE.

Referenced by HandleCacheOpenReadHit(), and need_to_revalidate().

static bool HttpTransact::is_connection_collapse_checks_success

(

State *

s

)

[static]

bool HttpTransact::is_request_cache_lookupable

(

State *

s

)

[static]

Definition at line 5907 of file HttpTransact.cc.

References HttpTransact::State::api_req_cacheable, HttpTransact::State::cache_control, OverridableHttpConfigParams::cache_http, HttpTransact::State::cache_info, OverridableHttpConfigParams::cache_range_lookup, OverridableHttpConfigParams::cache_urls_that_look_dynamic, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::current, MIMEHdr::field_find(), HttpTransact::State::hdr_info, HttpTransactHeaders::is_method_cache_lookupable(), HttpTransact::_CacheLookupInfo::lookup_count, HttpTransact::State::method, MIME_FIELD_MAX_FORWARDS, MIME_LEN_MAX_FORWARDS, MIME_PRESENCE_MAX_FORWARDS, MIME_PRESENCE_RANGE, HttpTransact::_CurrentInfo::mode, MIMEHdr::presence(), SET_VIA_STRING, CacheControlResult::ttl_in_cache, TUNNELLING_PROXY, HttpTransact::State::txn_conf, HTTPHdr::url_get(), url_looks_dynamic(), MIMEField::value_get_int(), VIA_DETAIL_TUNNEL, VIA_DETAIL_TUNNEL_CACHE_OFF, VIA_DETAIL_TUNNEL_HEADER_FIELD, VIA_DETAIL_TUNNEL_METHOD, and VIA_DETAIL_TUNNEL_URL.

Referenced by DecideCacheLookup(), find_server_and_update_current_info(), HandleRequest(), and is_response_cacheable().

bool HttpTransact::is_request_likely_cacheable	(	State *	s,
		HTTPHdr *	request
	)			[static]

Definition at line 7631 of file HttpTransact.cc.

References HttpTransact::State::api_req_cacheable, OverridableHttpConfigParams::cache_range_write, HTTP_WKSIDX_GET, HttpTransact::State::method, MIME_PRESENCE_AUTHORIZATION, MIME_PRESENCE_RANGE, MIMEHdr::presence(), and HttpTransact::State::txn_conf.

Referenced by build_request(), and handle_cache_operation_on_forward_server_response().

bool HttpTransact::is_request_retryable

(

State *

s

)

[static]

Definition at line 6347 of file HttpTransact.cc.

References HttpTransact::State::api_info, HttpTransact::State::hdr_info, HTTP_NO_PLUGIN_TUNNEL, HTTP_PLUGIN_AS_SERVER, HttpSM::plugin_tunnel_type, HttpTransact::_HeaderInfo::request_body_start, _HttpApiInfo::retry_intercept_failures, and HttpTransact::State::state_machine.

Referenced by handle_response_from_icp_suggested_host(), handle_response_from_parent(), and handle_response_from_server().

bool HttpTransact::is_request_valid	(	State *	s,
		HTTPHdr *	incoming_request
	)			[static]

Definition at line 6237 of file HttpTransact.cc.

References BAD_CONNECT_PORT, BAD_HTTP_HEADER_SYNTAX, build_error_response(), check_request_validity(), HttpTransact::State::current, DebugTxn, FAILED_PROXY_AUTHORIZATION, HttpTransact::State::http_config_param, HTTP_STATUS_BAD_REQUEST, HTTP_STATUS_FORBIDDEN, HTTP_STATUS_LENGTH_REQUIRED, HTTP_STATUS_NOT_ACCEPTABLE, HTTP_STATUS_PROXY_AUTHENTICATION_REQUIRED, INVALID_POST_CONTENT_LENGTH, METHOD_NOT_SUPPORTED, MISSING_HOST_FIELD, HttpTransact::_CurrentInfo::mode, NO_POST_CONTENT_LENGTH, NO_REQUEST_HEADER_ERROR, NO_REQUEST_SCHEME, NON_EXISTANT_REQUEST_HEADER, URL::port_get(), HttpConfigParams::reverse_proxy_enabled, SCHEME_NOT_SUPPORTED, SET_VIA_STRING, UNACCEPTABLE_TE_REQUIRED, HTTPHdr::url_get(), VIA_DETAIL_TUNNEL, and VIA_DETAIL_TUNNEL_NO_FORWARD.

Referenced by HandleRequest(), and HttpTransact_is_request_valid().

bool HttpTransact::is_response_cacheable	(	State *	s,
		HTTPHdr *	request,
		HTTPHdr *	response
	)			[static]

Definition at line 6014 of file HttpTransact.cc.

References HttpTransact::State::api_req_cacheable, HttpTransact::State::api_server_response_no_store, HttpTransact::State::cache_control, OverridableHttpConfigParams::cache_ignore_auth, HttpTransact::State::cache_info, OverridableHttpConfigParams::cache_required_headers, HttpConfigParams::CACHE_REQUIRED_HEADERS_AT_LEAST_LAST_MODIFIED, HttpConfigParams::CACHE_REQUIRED_HEADERS_CACHE_CONTROL, HttpConfigParams::CACHE_REQUIRED_HEADERS_NONE, OverridableHttpConfigParams::cache_responses_to_cookies, HttpTransact::State::client_info, DebugTxn, HttpTransact::_CacheLookupInfo::directives, HttpTransact::State::dns_info, do_cookies_prevent_caching(), HttpTransact::_CacheDirectives::does_client_permit_storing, HttpTransact::_CacheDirectives::does_config_permit_storing, HttpTransact::_CacheDirectives::does_server_permit_storing, MIMEHdr::get_cooked_cc_mask(), MIMEHdr::get_date(), MIMEHdr::get_last_modified(), HttpTransact::_SquidLogInfo::hit_miss_code, HttpTransact::State::http_config_param, HTTP_STATUS_GONE, HTTP_STATUS_MOVED_PERMANENTLY, HTTP_STATUS_MOVED_TEMPORARILY, HTTP_STATUS_MULTIPLE_CHOICES, HTTP_STATUS_NON_AUTHORITATIVE_INFORMATION, HTTP_STATUS_NOT_MODIFIED, HTTP_STATUS_OK, HTTP_STATUS_PARTIAL_CONTENT, HTTP_STATUS_PROXY_AUTHENTICATION_REQUIRED, HTTP_STATUS_RANGE_NOT_SATISFIABLE, HTTP_STATUS_SEE_OTHER, HTTP_STATUS_TEMPORARY_REDIRECT, HTTP_STATUS_UNAUTHORIZED, HTTP_WKSIDX_POST, CacheControlResult::ignore_client_no_cache, CacheControlResult::ignore_server_no_cache, HttpTransactHeaders::is_method_cacheable(), is_request_cache_lookupable(), HttpTransact::ConnectionAttributes::is_transparent, HttpTransact::_DNSLookupInfo::lookup_validated, HTTPHdr::method_get_wksidx(), MIME_COOKED_MASK_CC_MAX_AGE, MIME_PRESENCE_EXPIRES, MIME_PRESENCE_WWW_AUTHENTICATE, OverridableHttpConfigParams::negative_caching_enabled, CacheControlResult::never_cache, MIMEHdr::presence(), RANGE_NOT_HANDLED, HttpTransact::State::range_setup, response_cacheable_indicated_by_cc(), HttpTransact::State::squid_codes, SQUID_MISS_HTTP_NO_DLE, HTTPHdr::status_get(), CacheControlResult::ttl_in_cache, HttpTransact::State::txn_conf, and HttpTransact::State::www_auth_content.

Referenced by handle_cache_operation_on_forward_server_response(), HandlePushResponseHdr(), and TSHttpTxnIsCacheable().

bool HttpTransact::is_response_valid	(	State *	s,
		HTTPHdr *	incoming_response
	)			[static]

Definition at line 6368 of file HttpTransact.cc.

References ACTIVE_TIMEOUT, BOGUS_OR_NO_DATE_IN_RESPONSE, check_response_validity(), CONGEST_CONTROL_CONGESTED_ON_F, CONGEST_CONTROL_CONGESTED_ON_M, CONNECTION_ALIVE, CONNECTION_CLOSED, CONNECTION_ERROR, CONNECTION_OPEN_FAILED, HttpTransact::State::current, DebugTxn, HttpTransact::State::hdr_info, INACTIVE_TIMEOUT, ink_assert, MISSING_REASON_PHRASE, MISSING_STATUS_CODE, NO_RESPONSE_HEADER_ERROR, NON_EXISTANT_RESPONSE_HEADER, NOT_A_RESPONSE_HEADER, OPEN_RAW_ERROR, PARSE_ERROR, HttpTransact::_HeaderInfo::response_error, HttpTransact::_CurrentInfo::state, and STATUS_CODE_SERVER_ERROR.

Referenced by HandleResponse().

bool HttpTransact::is_server_negative_cached

(

State *

s

)

[inline, static]

Definition at line 203 of file HttpTransact.cc.

References HostDBInfo::app, HttpTransact::State::client_request_time, OverridableHttpConfigParams::down_server_timeout, HttpTransact::State::host_db_info, HostDBApplicationInfo::http_data, ink_assert, HostDBApplicationInfo::http_server_attr::last_failure, and HttpTransact::State::txn_conf.

Referenced by handle_response_from_server(), and HandleCacheOpenReadHit().

bool HttpTransact::is_stale_cache_response_returnable

(

State *

s

)

[static]

Definition at line 5787 of file HttpTransact.cc.

References AUTHENTICATION_SUCCESS, AuthenticationNeeded(), HttpTransact::State::cache_info, OverridableHttpConfigParams::cache_max_stale_age, HttpTransactHeaders::calculate_document_age(), HttpTransact::_HeaderInfo::client_request, HttpTransact::State::current, DebugTxn, HttpTransact::_CacheLookupInfo::directives, HttpTransact::_CacheDirectives::does_client_permit_lookup, MIMEHdr::get_cooked_cc_mask(), MIMEHdr::get_date(), HttpTransact::State::hdr_info, HTTPHdr::is_pragma_no_cache_set(), MIME_COOKED_MASK_CC_MUST_REVALIDATE, MIME_COOKED_MASK_CC_NEED_REVALIDATE_ONCE, MIME_COOKED_MASK_CC_NO_CACHE, MIME_COOKED_MASK_CC_NO_STORE, MIME_COOKED_MASK_CC_PROXY_REVALIDATE, HttpTransact::_CurrentInfo::now, HttpTransact::_CacheLookupInfo::object_read, HTTPInfo::request_sent_time_get(), HTTPInfo::response_get(), HTTPInfo::response_received_time_get(), and HttpTransact::State::txn_conf.

Referenced by handle_cache_operation_on_forward_server_response(), handle_server_connection_not_open(), and HandleCacheOpenReadHit().

void HttpTransact::issue_revalidate

(

State *

s

)

[static]

Definition at line 2247 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, CACHE_AUTH_FRESH, OverridableHttpConfigParams::cache_ims_on_client_no_cache, HttpTransact::State::cache_info, OverridableHttpConfigParams::cache_when_to_revalidate, CACHE_WL_INIT, CACHE_WL_READ_RETRY, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::cop_test_page, DebugTxn, does_method_require_cache_copy_deletion(), DUMP_HEADER, find_appropriate_cached_resp(), MIMEHdr::get_last_modified(), GET_VIA_STRING, HttpTransact::State::hdr_info, HttpTransact::State::http_config_param, HTTP_LEN_HEAD, atscppapi::HTTP_METHOD_HEAD, HTTP_STATUS_GONE, HTTP_STATUS_MOVED_PERMANENTLY, HTTP_STATUS_MULTIPLE_CHOICES, HTTP_STATUS_NON_AUTHORITATIVE_INFORMATION, HTTP_STATUS_OK, HTTP_STATUS_PARTIAL_CONTENT, HTTP_VALUE_NO_CACHE, HTTP_WKSIDX_GET, HTTP_WKSIDX_HEAD, ink_assert, HTTPHdr::is_cache_control_set(), HTTPHdr::is_pragma_no_cache_set(), HttpTransact::State::method, HTTPHdr::method_get_wksidx(), HTTPHdr::method_set(), MIME_FIELD_ETAG, MIME_FIELD_IF_MODIFIED_SINCE, MIME_FIELD_IF_NONE_MATCH, MIME_FIELD_LAST_MODIFIED, MIME_LEN_ETAG, MIME_LEN_IF_MODIFIED_SINCE, MIME_LEN_IF_NONE_MATCH, MIME_LEN_LAST_MODIFIED, MIME_PRESENCE_ETAG, MIME_PRESENCE_IF_MODIFIED_SINCE, MIME_PRESENCE_IF_NONE_MATCH, MIMEHdr::presence(), RANGE_NONE, HttpTransact::State::range_setup, HttpTransact::_HeaderInfo::server_request, SET_VIA_STRING, HttpTransact::State::state_machine_id, HTTPHdr::status_get(), HttpTransact::State::txn_conf, MIMEHdr::value_get(), MIMEHdr::value_set(), VIA_CACHE_RESULT, VIA_DETAIL_CACHE_LOOKUP, VIA_IN_CACHE_STALE, HttpTransact::_CacheLookupInfo::write_lock_state, and HttpTransact::State::www_auth_content.

Referenced by HandleCacheOpenReadHit(), and PPDNSLookup().

void HttpTransact::LookupSkipOpenServer

(

State *

s

)

[static]

Definition at line 2000 of file HttpTransact.cc.

References build_request(), HttpTransact::_HeaderInfo::client_request, HttpTransact::State::current, find_server_and_update_current_info(), HandleResponse(), HttpTransact::State::hdr_info, how_to_open_connection(), HttpTransact::ConnectionAttributes::http_version, ink_assert, HttpTransact::State::next_action, ORIGIN_SERVER, PARENT_PROXY, PPDNSLookup(), HttpTransact::_CurrentInfo::request_to, HttpTransact::_CurrentInfo::server, HttpTransact::_HeaderInfo::server_request, SM_ACTION_DNS_LOOKUP, SM_ACTION_ORIGIN_SERVER_OPEN, SM_ACTION_ORIGIN_SERVER_RAW_OPEN, and TRANSACT_RETURN.

Referenced by DecideCacheLookup(), and OSDNSLookup().

void HttpTransact::merge_and_update_headers_for_cache_update

(

State *

s

)

[static]

Definition at line 4621 of file HttpTransact.cc.

References HttpTransact::State::api_modifiable_cached_resp, HttpTransact::State::cache_info, HttpTransact::_HeaderInfo::client_request, HTTPInfo::create(), HttpTransact::State::current, delete_warning_value(), MIMEHdr::get_age(), MIMEHdr::get_date(), HttpTransact::State::hdr_info, HTTP_LEN_GET, atscppapi::HTTP_METHOD_GET, HTTP_WARNING_CODE_REVALIDATION_FAILED, HTTP_WKSIDX_HEAD, ink_assert, max(), merge_response_header_with_cached_header(), MIME_FIELD_VIA, MIME_LEN_VIA, MIME_PRESENCE_AGE, HttpTransact::_CurrentInfo::now, HttpTransact::_CacheLookupInfo::object_read, HttpTransact::_CacheLookupInfo::object_store, HttpTransact::_CacheLookupInfo::original_url, HttpTransact::_RedirectInfo::original_url, MIMEHdr::presence(), HttpTransact::_RedirectInfo::redirect_in_process, HttpTransact::State::redirect_info, HTTPInfo::request_get(), HttpTransact::State::request_sent_time, HTTPInfo::request_set(), HTTPInfo::response_get(), HTTPInfo::response_set(), HttpTransact::_HeaderInfo::server_request, HttpTransact::_HeaderInfo::server_response, MIMEHdr::set_age(), MIMEHdr::set_date(), HTTPHdr::status_get(), HTTPHdr::url_get(), URL::valid(), and HTTPInfo::valid().

Referenced by handle_cache_operation_on_forward_server_response().

void HttpTransact::merge_response_header_with_cached_header	(	HTTPHdr *	cached_header,
		HTTPHdr *	response_header
	)			[static]

Definition at line 4835 of file HttpTransact.cc.

References Debug, MIMEHdr::field_attach(), MIMEHdr::field_create(), MIMEHdr::field_delete(), MIMEHdr::field_value_set(), HttpTransactHeaders::is_this_a_hop_by_hop_header(), MIMEHdr::iter_get_first(), MIMEHdr::iter_get_next(), HdrHeapSDKHandle::m_heap, HdrHeap::m_lost_string_space, MIMEField::m_next_dup, merge_warning_header(), MIME_FIELD_CONTENT_LENGTH, MIME_FIELD_CONTENT_TYPE, MIME_FIELD_SET_COOKIE, MIME_FIELD_WARNING, MIMEField::name_get(), MIMEField::value_get(), and MIMEHdr::value_set().

Referenced by merge_and_update_headers_for_cache_update().

void HttpTransact::merge_warning_header	(	HTTPHdr *	cached_header,
		HTTPHdr *	response_header
	)			[static]

Definition at line 4940 of file HttpTransact.cc.

References MIMEHdr::field_attach(), MIMEHdr::field_create(), MIMEHdr::field_delete(), MIMEHdr::field_find(), MIMEHdr::field_value_append(), MIMEHdr::field_value_set(), HdrCsvIter::get_first(), HdrCsvIter::get_next(), ink_atoi(), HdrHeapSDKHandle::m_heap, MIMEHdr::m_mime, MIMEField::m_next_dup, MIME_FIELD_WARNING, MIME_LEN_WARNING, MIMEField::name_set(), and MIMEField::value_get().

Referenced by merge_response_header_with_cached_header().

void HttpTransact::ModifyRequest

(

State *

s

)

[static]

Definition at line 1130 of file HttpTransact.cc.

References OverridableHttpConfigParams::accept_encoding_filter_enabled, bootstrap_state_variables_from_request(), HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_req_is_server_style, HttpTransact::_HeaderInfo::client_request, DebugTxn, MIMEHdr::field_attach(), MIMEHdr::field_create(), MIMEHdr::field_delete(), MIMEHdr::field_find(), MIMEHdr::field_value_set(), MIMEHdr::get_max_forwards(), GZIP, handle_upgrade_request(), HttpTransact::State::hdr_info, HTTPHdr::host_get(), HTTP_WKSIDX_CONNECT, HTTPHdr::is_port_in_header(), HTTPHdr::is_target_in_url(), HTTPHdr::mark_target_dirty(), HttpTransactCache::match_gzip(), memcpy, HttpTransact::State::method, HTTPHdr::method_get_wksidx(), MIME_FIELD_ACCEPT_ENCODING, MIME_FIELD_HOST, MIME_LEN_ACCEPT_ENCODING, MIME_LEN_HOST, MIME_PRESENCE_MAX_FORWARDS, mimefield_value_equal(), OverridableHttpConfigParams::normalize_ae_gzip, HttpTransact::State::orig_scheme, perform_accept_encoding_filtering(), HttpTransact::ConnectionAttributes::port_attribute, URL::port_get_raw(), URL::port_set(), MIMEHdr::presence(), URL::scheme_get_wksidx(), URL::scheme_set(), SM_ACTION_API_READ_REQUEST_HDR, StartRemapRequest(), TRANSACT_RETURN, HttpProxyPort::TRANSPORT_SSL, HttpTransact::State::txn_conf, HTTPHdr::url_get(), URL_LEN_HTTP, URL_LEN_HTTPS, URL_SCHEME_HTTP, URL_SCHEME_HTTPS, URL_WKSIDX_HTTP, and URL_WKSIDX_HTTPS.

Referenced by HttpUpdateSM::handle_api_return(), and HttpSM::state_read_client_request_header().

bool HttpTransact::need_to_revalidate

(

State *

s

)

[static]

Definition at line 2461 of file HttpTransact.cc.

References HttpTransact::State::api_update_cached_object, AUTHENTICATION_CACHE_AUTH, AUTHENTICATION_MUST_PROXY, AUTHENTICATION_MUST_REVALIDATE, AUTHENTICATION_SUCCESS, AuthenticationNeeded(), CACHE_AUTH_STALE, HttpTransact::State::cache_info, CACHE_LOOKUP_HIT_FRESH, CACHE_LOOKUP_HIT_STALE, CACHE_LOOKUP_HIT_WARNING, HttpTransact::State::cache_lookup_result, HttpTransact::_HeaderInfo::client_request, DebugTxn, HttpTransact::State::hdr_info, ink_assert, is_cache_response_returnable(), HttpTransact::_CacheLookupInfo::object_read, HttpTransact::_CacheLookupInfo::object_store, SET_VIA_STRING, HttpTransact::State::txn_conf, UPDATE_CACHED_OBJECT_CONTINUE, VIA_DETAIL_CACHE_LOOKUP, VIA_DETAIL_MISS_METHOD, and HttpTransact::State::www_auth_content.

Referenced by HandleCacheOpenReadHitFreshness().

void HttpTransact::origin_server_connection_speed	(	State *	s,
		ink_hrtime	transfer_time,
		int64_t	nbytes
	)			[static]

Definition at line 8545 of file HttpTransact.cc.

References HRTIME_SECOND, HTTP_INCREMENT_TRANS_STAT, http_origin_server_speed_bytes_per_sec_100_stat, http_origin_server_speed_bytes_per_sec_100K_stat, http_origin_server_speed_bytes_per_sec_100M_stat, http_origin_server_speed_bytes_per_sec_10K_stat, http_origin_server_speed_bytes_per_sec_10M_stat, http_origin_server_speed_bytes_per_sec_1K_stat, and http_origin_server_speed_bytes_per_sec_1M_stat.

Referenced by update_size_and_time_stats().

void HttpTransact::OriginServerRawOpen

(

State *

s

)

[static]

Definition at line 3198 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, build_response(), CACHE_DO_NO_ACTION, HttpTransact::State::cache_info, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_response, CONGEST_CONTROL_CONGESTED_ON_F, CONGEST_CONTROL_CONGESTED_ON_M, CONNECTION_ALIVE, CONNECTION_CLOSED, CONNECTION_ERROR, HttpTransact::State::current, DebugTxn, handle_server_died(), HttpTransact::State::hdr_info, HTTP_STATUS_OK, HttpTransact::ConnectionAttributes::http_version, ink_assert, HttpTransact::State::next_action, OPEN_RAW_ERROR, HttpTransact::_CurrentInfo::state, and STATE_UNDEFINED.

Referenced by HttpSM::state_raw_http_server_open().

void HttpTransact::OSDNSLookup

(

State *

s

)

[static]

Definition at line 1649 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::ConnectionAttributes::addr, ats_ip_addr_eq(), ats_ip_copy(), ats_ip_ntop(), HttpTransact::_DNSLookupInfo::attempts, build_error_response(), build_redirect_response(), CACHE_DO_NO_ACTION, HttpTransact::State::cache_info, CACHE_LOOKUP_HIT_FRESH, CACHE_LOOKUP_HIT_STALE, CACHE_LOOKUP_HIT_WARNING, CACHE_LOOKUP_MISS, HttpTransact::State::cache_lookup_result, CACHE_LOOKUP_SKIPPED, OverridableHttpConfigParams::cache_range_write, HttpTransact::State::cdn_remap_complete, HttpTransact::State::cdn_saved_next_action, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransactHeaders::convert_request(), HttpTransact::State::current, DebugTxn, HttpRequestData::dest_ip, DNS_ATTEMPTS_EXHAUSTED, HttpTransact::State::dns_info, HttpTransact::ConnectionAttributes::dns_round_robin, HttpConfigParams::enable_url_expandomatic, Log::error(), EXPANSION_FAILED, EXPANSION_NOT_ALLOWED, HttpTransact::State::force_dns, get_ka_info_from_host_db(), HandleCacheOpenReadHit(), HandleCacheOpenReadMiss(), HandleResponse(), HttpTransact::State::hdr_info, HttpTransact::State::host_db_info, ControlMatcher< Data, Result >::hostMatch, how_to_open_connection(), HttpTransact::State::http_config_param, HTTP_RELEASE_ASSERT, HTTP_STATUS_BAD_GATEWAY, HTTP_STATUS_INTERNAL_SERVER_ERROR, HttpTransact::ConnectionAttributes::http_version, ink_assert, HostDBInfo::ip, HttpTransact::_DNSLookupInfo::looking_up, HttpTransact::_DNSLookupInfo::lookup_name, HttpTransact::_DNSLookupInfo::lookup_success, LookupSkipOpenServer(), HTTPHdr::m_http, HTTPHdrImpl::m_version, MIME_PRESENCE_RANGE, HttpConfigParams::no_dns_forward_to_parent, HttpConfigParams::num_url_expansions, ORIGIN_SERVER, HttpTransact::_DNSLookupInfo::os_addr_style, HttpTransact::_DNSLookupInfo::OS_ADDR_TRY_HOSTDB, HttpTransact::_DNSLookupInfo::OS_ADDR_USE_CLIENT, HttpTransact::_DNSLookupInfo::OS_ADDR_USE_HOSTDB, HttpTransact::State::parent_params, ParentConfigParams::ParentTable, MIMEHdr::presence(), RANGE_NOT_HANDLED, RANGE_NOT_SATISFIABLE, HttpTransact::State::range_setup, HttpTransact::State::request_data, HttpTransact::State::request_will_not_selfloop, RETRY_EXPANDED_NAME, HostDBInfo::round_robin, HostDBInfo::rr(), IpEndpoint::sa, HostDBRoundRobin::select_next(), HttpTransact::_CurrentInfo::server, HttpTransact::State::server_info, HttpTransact::_HeaderInfo::server_request, SET_VIA_STRING, SM_ACTION_API_OS_DNS, SM_ACTION_DNS_LOOKUP, SM_ACTION_DNS_REVERSE_LOOKUP, SM_ACTION_INTERNAL_CACHE_NOOP, SM_ACTION_ORIGIN_SERVER_OPEN, SM_ACTION_ORIGIN_SERVER_RAW_OPEN, SM_ACTION_SEND_ERROR_CACHE_NOOP, StartAccessControl(), TRANSACT_RETURN, try_to_expand_host_name(), HttpTransact::State::txn_conf, VIA_DETAIL_TUNNEL, VIA_DETAIL_TUNNEL_NO_FORWARD, and will_this_request_self_loop().

Referenced by build_response_from_cache(), CallOSDNSLookup(), handle_response_from_server(), HandleCacheOpenRead(), HandleCacheOpenReadHit(), and HandleRequest().

bool HttpTransact::perform_accept_encoding_filtering

(

State *

s

)

[static]

Definition at line 673 of file HttpTransact.cc.

References HttpTransact::_HeaderInfo::client_request, DebugTxn, MIMEHdr::field_attach(), MIMEHdr::field_create(), MIMEHdr::field_find(), MIMEHdr::field_value_set(), HttpTransact::State::hdr_info, HTTP_LEN_IDENTITY, HTTP_VALUE_IDENTITY, ink_error(), memcpy, MIME_FIELD_ACCEPT_ENCODING, MIME_FIELD_USER_AGENT, MIME_LEN_ACCEPT_ENCODING, MIME_LEN_USER_AGENT, HttpUserAgent_RegxEntry::next, HttpUserAgent_RegxEntry::regx, HttpUserAgent_RegxEntry::regx_valid, HttpUserAgent_RegxEntry::STRTYPE_REGEXP, HttpUserAgent_RegxEntry::STRTYPE_SUBSTR_CASE, HttpUserAgent_RegxEntry::STRTYPE_SUBSTR_NCASE, HttpUserAgent_RegxEntry::stype, HttpConfig::user_agent_list, HttpUserAgent_RegxEntry::user_agent_str, HttpUserAgent_RegxEntry::user_agent_str_size, and MIMEField::value_get().

Referenced by ModifyRequest().

void HttpTransact::PerformRemap

(

State *

s

)

[static]

Definition at line 829 of file HttpTransact.cc.

References DebugTxn, EndRemapRequest(), SM_ACTION_REMAP_REQUEST, and TRANSACT_RETURN.

Referenced by StartRemapRequest().

void HttpTransact::PPDNSLookup

(

State *

s

)

[static]

Definition at line 1521 of file HttpTransact.cc.

References HttpTransact::ConnectionAttributes::addr, ats_ip_copy(), ats_ip_ntop(), ats_is_ip(), HttpTransact::_DNSLookupInfo::attempts, build_request(), HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::current, DebugTxn, HttpTransact::State::dns_info, HttpTransact::ConnectionAttributes::dns_round_robin, find_server_and_update_current_info(), get_ka_info_from_host_db(), handle_parent_died(), HttpTransact::State::hdr_info, HttpTransact::State::host_db_info, HOST_NONE, how_to_open_connection(), HttpTransact::ConnectionAttributes::http_version, ink_assert, HostDBInfo::ip, issue_revalidate(), HttpTransact::_DNSLookupInfo::looking_up, HttpTransact::_DNSLookupInfo::lookup_success, HttpTransact::State::next_action, HttpTransact::State::parent_info, PARENT_PROXY, HttpTransact::State::pending_work, HttpTransact::_CurrentInfo::request_to, HostDBInfo::round_robin, IpEndpoint::sa, HttpTransact::_CurrentInfo::server, HttpTransact::_HeaderInfo::server_request, SM_ACTION_DNS_LOOKUP, HttpSM::sm_id, HttpTransact::State::state_machine, TRANSACT_RETURN, and HTTPHdr::valid().

Referenced by handle_response_from_icp_suggested_host(), handle_response_from_parent(), HandleCacheOpenReadHit(), HandleCacheOpenReadMiss(), HandleICPLookup(), and LookupSkipOpenServer().

void HttpTransact::process_quick_http_filter	(	State *	s,
		int	method
	)			[static]

Definition at line 6455 of file HttpTransact.cc.

References AclRecord::_method_mask, HttpClientSession::acl_record, HttpTransact::ConnectionAttributes::addr, AclRecord::ALL_METHOD_MASK, ats_ip_ntop(), HttpTransact::State::client_connection_enabled, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, Debug, HttpTransact::State::hdr_info, hdrtoken_index_to_wks(), is_debug_tag_set, AclRecord::isMethodAllowed(), AclRecord::isNonstandardMethodAllowed(), HTTPHdr::method_get(), IpEndpoint::sa, HttpTransact::State::state_machine, and HttpSM::ua_session.

Referenced by EndRemapRequest().

void HttpTransact::ReDNSRoundRobin

(

State *

s

)

[static]

Definition at line 1587 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HttpTransact::ConnectionAttributes::addr, ats_ip_copy(), ats_ip_ntop(), build_error_response(), HttpTransact::State::cache_info, HttpTransact::ConnectionAttributes::clear_connect_fail(), HttpTransact::State::client_info, HttpTransact::State::current, DebugTxn, HttpRequestData::dest_ip, HttpTransact::State::dns_info, HttpTransact::ConnectionAttributes::dns_round_robin, get_ka_info_from_host_db(), HttpTransact::ConnectionAttributes::had_connect_fail(), HttpTransact::State::host_db_info, how_to_open_connection(), HTTP_STATUS_BAD_GATEWAY, ink_assert, HostDBInfo::ip, HttpTransact::_DNSLookupInfo::lookup_success, HttpTransact::State::next_action, HttpTransact::State::request_data, HostDBInfo::round_robin, IpEndpoint::sa, HttpTransact::_CurrentInfo::server, and HttpTransact::State::server_info.

Referenced by delete_server_rr_entry().

static void HttpTransact::RemapRequest

(

State *

s

)

[static]

void HttpTransact::retry_server_connection_not_open	(	State *	s,
		ServerState_t	conn_state,
		int	max_retries
	)			[static]

Definition at line 3737 of file HttpTransact.cc.

References ACTIVE_TIMEOUT, HttpTransact::ConnectionAttributes::addr, HttpTransact::State::arena, ats_ip_ntop(), HttpTransact::_CurrentInfo::attempts, HttpTransact::_HeaderInfo::client_request, CONNECTION_ALIVE, HttpTransact::State::current, DebugTxn, Log::error(), HttpDebugNames::get_server_state_name(), HttpTransact::ConnectionAttributes::had_connect_fail(), HttpTransact::State::hdr_info, ink_assert, HttpTransact::ConnectionAttributes::keep_alive, IpEndpoint::sa, HttpTransact::_CurrentInfo::server, HttpTransact::_CurrentInfo::state, Arena::str_free(), and HTTPHdr::url_string_get().

Referenced by handle_response_from_server().

bool HttpTransact::service_transaction_in_proxy_only_mode

(

State *

s

)

[static]

Definition at line 6449 of file HttpTransact.cc.

Referenced by DecideCacheLookup().

void HttpTransact::set_header_for_transform	(	State *	s,
		HTTPHdr *	base_header
	)			[static]

Definition at line 4755 of file HttpTransact.cc.

References HttpTransact::State::cop_test_page, HTTPHdr::copy(), HTTPHdr::create(), DUMP_HEADER, MIMEHdr::field_delete(), HttpTransact::State::hdr_info, HTTP_TYPE_RESPONSE, MIME_FIELD_CONTENT_LENGTH, MIME_LEN_CONTENT_LENGTH, HttpTransact::State::state_machine_id, and HttpTransact::_HeaderInfo::transform_response.

Referenced by build_response_from_cache(), handle_cache_operation_on_forward_server_response(), and handle_no_cache_operation_on_forward_server_response().

void HttpTransact::set_headers_for_cache_write	(	State *	s,
		HTTPInfo *	cache_info,
		HTTPHdr *	request,
		HTTPHdr *	response
	)			[static]

Definition at line 4770 of file HttpTransact.cc.

References HttpTransact::State::api_server_request_body_set, OverridableHttpConfigParams::cache_ignore_auth, HttpTransact::State::cache_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::cop_test_page, HTTPInfo::create(), DUMP_HEADER, HttpTransact::State::hdr_info, HTTP_LEN_GET, atscppapi::HTTP_METHOD_GET, ink_assert, MIME_FIELD_RANGE, MIME_FIELD_SET_COOKIE, MIME_FIELD_VIA, MIME_FIELD_WWW_AUTHENTICATE, MIME_LEN_RANGE, MIME_LEN_SET_COOKIE, MIME_LEN_VIA, MIME_LEN_WWW_AUTHENTICATE, HttpTransact::State::negative_caching, HttpTransact::_CacheLookupInfo::original_url, HttpTransact::_RedirectInfo::original_url, HttpTransact::_RedirectInfo::redirect_in_process, HttpTransact::State::redirect_info, HTTPInfo::request_get(), HTTPInfo::request_set(), HTTPInfo::response_get(), HTTPInfo::response_set(), HttpTransact::State::state_machine_id, HttpTransact::State::txn_conf, HTTPHdr::type_get(), HTTPHdr::url_get(), HTTPHdr::url_set(), URL::valid(), and HTTPInfo::valid().

Referenced by handle_cache_operation_on_forward_server_response(), handle_transform_ready(), and HandlePushCacheWrite().

static void HttpTransact::SetCacheFreshnessLimit

(

State *

s

)

[static]

static bool HttpTransact::setup_auth_lookup

(

State *

s

)

[static]

void HttpTransact::setup_plugin_request_intercept

(

State *

s

)

[static]

Definition at line 1416 of file HttpTransact.cc.

References HttpTransact::_CacheLookupInfo::action, HostDBInfo::app, build_request(), CACHE_DO_NO_ACTION, HttpTransact::State::cache_info, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::current, MIMEHdr::field_delete(), HttpTransact::State::hdr_info, HttpTransact::State::host_db_info, HostDBApplicationInfo::http_data, HTTP_INCREMENT_TRANS_STAT, http_tunnels_stat, HostDBApplicationInfo::http_server_attr::http_version, HttpTransact::ConnectionAttributes::http_version, ink_assert, HttpTransact::ConnectionAttributes::keep_alive, MIME_FIELD_CONNECTION, MIME_LEN_CONNECTION, HttpTransact::_CurrentInfo::mode, HttpTransact::State::next_hop_scheme, ORIGIN_SERVER, HostDBApplicationInfo::http_server_attr::pipeline_max, HttpSM::plugin_tunnel, HttpTransact::State::scheme, HttpTransact::State::server_info, HttpTransact::_HeaderInfo::server_request, HTTPVersion::set(), SM_ACTION_ORIGIN_SERVER_OPEN, HttpTransact::State::state_machine, TRANSACT_RETURN, update_current_info(), and URL_WKSIDX_HTTP.

Referenced by HandleRequest().

void HttpTransact::StartAccessControl

(

State *

s

)

[static]

Definition at line 1832 of file HttpTransact.cc.

References HandleRequestAuthorized().

Referenced by HandleRequest(), and OSDNSLookup().

static void HttpTransact::StartAuth

(

State *

s

)

[static]

void HttpTransact::StartRemapRequest

(

State *

s

)

[static]

Check for URL remappings before checking request validity or initializing state variables since the remappings can insert or change the destination host, port and protocol.

Definition at line 757 of file HttpTransact.cc.

References HttpTransact::ConnectionAttributes::addr, HttpTransact::State::api_skip_all_remapping, ats_ip4_addr_cast(), HttpConfigParams::autoconf_localhost_only, HttpConfigParams::autoconf_port, HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, HttpTransact::State::cop_test_page, Debug, DebugTxn, HttpTransact::State::filter_mask, HandleRequest(), HttpTransact::State::hdr_info, URL::host_get(), HttpTransact::State::http_config_param, HTTP_WKSIDX_GET, is_debug_tag_set, HttpTransact::State::is_upgrade_request, local_host_ip_str, HTTPHdr::m_http, HttpTransact::State::method, obj_describe(), HttpTransact::State::orig_scheme, URL::path_get(), PerformRemap(), URL::port_get(), HttpTransact::State::post_remap_upgrade_return_point, ptr_len_cmp(), HttpConfigParams::referer_filter_enabled, HttpConfigParams::referer_format_redirect, IpEndpoint::sa, SM_ACTION_API_PRE_REMAP, SM_ACTION_POST_REMAP_SKIP, TRANSACT_RETURN, HTTPHdr::url_get(), URL_REMAP_ALL, URL_REMAP_DEFAULT, url_remap_mode, and URL_WKSIDX_HTTP.

Referenced by handle_websocket_upgrade_pre_remap(), and ModifyRequest().

HttpTransact::HostNameExpansionError_t HttpTransact::try_to_expand_host_name

(

State *

s

)

[static]

Definition at line 6485 of file HttpTransact.cc.

References HttpTransact::State::arena, HttpTransact::_DNSLookupInfo::attempts, DNS_ATTEMPTS_EXHAUSTED, HttpTransact::State::dns_info, HttpConfigParams::enable_url_expandomatic, EXPANSION_FAILED, HttpTransact::State::http_config_param, HTTP_RELEASE_ASSERT, ink_assert, ink_string_concatenate_strings_n(), HttpTransact::_DNSLookupInfo::looking_up, HttpTransact::_DNSLookupInfo::lookup_name, HttpTransact::_DNSLookupInfo::lookup_success, HttpTransact::ConnectionAttributes::name, HttpConfigParams::num_url_expansions, ORIGIN_SERVER, PARENT_PROXY, RETRY_EXPANDED_NAME, HttpTransact::State::server_info, Arena::str_alloc(), ParseRules::strchr(), and HttpConfigParams::url_expansions.

Referenced by OSDNSLookup().

void HttpTransact::update_size_and_time_stats	(	State *	s,
		ink_hrtime	total_time,
		ink_hrtime	user_agent_write_time,
		ink_hrtime	origin_server_read_time,
		int	user_agent_request_header_size,
		int64_t	user_agent_request_body_size,
		int	user_agent_response_header_size,
		int64_t	user_agent_response_body_size,
		int	origin_server_request_header_size,
		int64_t	origin_server_request_body_size,
		int	origin_server_response_header_size,
		int64_t	origin_server_response_body_size,
		int	pushed_response_header_size,
		int64_t	pushed_response_body_size
	)			[static]

Definition at line 8570 of file HttpTransact.cc.

References HttpSM::background_fill, BACKGROUND_FILL_ABORTED, BACKGROUND_FILL_COMPLETED, BACKGROUND_FILL_NONE, BACKGROUND_FILL_STARTED, HttpTransact::State::current, histogram_request_document_size(), histogram_response_document_size(), http_background_fill_bytes_aborted_stat, http_background_fill_bytes_completed_stat, http_err_client_abort_count_stat, http_err_client_abort_origin_server_bytes_stat, http_err_client_abort_user_agent_bytes_stat, http_err_connect_fail_count_stat, http_err_connect_fail_origin_server_bytes_stat, http_err_connect_fail_user_agent_bytes_stat, HTTP_INCREMENT_TRANS_STAT, http_misc_count_stat, http_misc_origin_server_bytes_stat, http_misc_user_agent_bytes_stat, http_origin_server_request_document_total_size_stat, http_origin_server_request_header_total_size_stat, http_origin_server_response_document_total_size_stat, http_origin_server_response_header_total_size_stat, http_parent_proxy_request_total_bytes_stat, http_parent_proxy_response_total_bytes_stat, http_parent_proxy_transaction_time_stat, http_pushed_document_total_size_stat, http_pushed_response_header_total_size_stat, HTTP_SUM_TRANS_STAT, http_tcp_client_refresh_count_stat, http_tcp_client_refresh_origin_server_bytes_stat, http_tcp_client_refresh_user_agent_bytes_stat, http_tcp_expired_miss_count_stat, http_tcp_expired_miss_origin_server_bytes_stat, http_tcp_expired_miss_user_agent_bytes_stat, http_tcp_hit_count_stat, http_tcp_hit_origin_server_bytes_stat, http_tcp_hit_user_agent_bytes_stat, http_tcp_ims_hit_count_stat, http_tcp_ims_hit_origin_server_bytes_stat, http_tcp_ims_hit_user_agent_bytes_stat, http_tcp_ims_miss_count_stat, http_tcp_ims_miss_origin_server_bytes_stat, http_tcp_ims_miss_user_agent_bytes_stat, http_tcp_miss_count_stat, http_tcp_miss_origin_server_bytes_stat, http_tcp_miss_user_agent_bytes_stat, http_tcp_refresh_hit_count_stat, http_tcp_refresh_hit_origin_server_bytes_stat, http_tcp_refresh_hit_user_agent_bytes_stat, http_tcp_refresh_miss_count_stat, http_tcp_refresh_miss_origin_server_bytes_stat, http_tcp_refresh_miss_user_agent_bytes_stat, http_total_transactions_time_stat, http_user_agent_request_document_total_size_stat, http_user_agent_request_header_total_size_stat, http_user_agent_response_document_total_size_stat, http_user_agent_response_header_total_size_stat, HTTP_WKSIDX_PUSH, ink_assert, HttpTransact::_SquidLogInfo::log_code, max(), HttpTransact::State::method, origin_server_connection_speed(), PARENT_PROXY, HttpTransact::_CurrentInfo::request_to, HttpTransact::State::squid_codes, SQUID_LOG_ERR_CLIENT_ABORT, SQUID_LOG_ERR_CONNECT_FAIL, SQUID_LOG_TCP_CLIENT_REFRESH, SQUID_LOG_TCP_EXPIRED_MISS, SQUID_LOG_TCP_HIT, SQUID_LOG_TCP_IMS_HIT, SQUID_LOG_TCP_IMS_MISS, SQUID_LOG_TCP_MEM_HIT, SQUID_LOG_TCP_MISS, SQUID_LOG_TCP_REFRESH_HIT, SQUID_LOG_TCP_REFRESH_MISS, HttpTransact::State::state_machine, and user_agent_connection_speed().

Referenced by HttpSM::update_stats().

void HttpTransact::update_stat	(	State *	s,
		int	stat,
		ink_statval_t	increment
	)			[inline, static]

Definition at line 1414 of file HttpTransact.h.

References add_new_stat_block(), HttpTransact::State::current_stats, HttpTransact::StatRecord_t::increment, HttpTransact::StatRecord_t::index, HttpTransact::StatBlock::next_insert, StatBlockEntries, and HttpTransact::StatBlock::stats.

bool HttpTransact::url_looks_dynamic

(

URL *

url

)

[static]

Definition at line 5837 of file HttpTransact.cc.

References ParseRules::ink_tolower(), URL::params_get(), URL::path_get(), URL::query_get(), URL::scheme_get_wksidx(), URL_WKSIDX_HTTP, and URL_WKSIDX_HTTPS.

Referenced by is_request_cache_lookupable().

void HttpTransact::user_agent_connection_speed	(	State *	s,
		ink_hrtime	transfer_time,
		int64_t	nbytes
	)			[static]

Definition at line 8315 of file HttpTransact.cc.

References HRTIME_SECOND, HTTP_INCREMENT_TRANS_STAT, http_user_agent_speed_bytes_per_sec_100_stat, http_user_agent_speed_bytes_per_sec_100K_stat, http_user_agent_speed_bytes_per_sec_100M_stat, http_user_agent_speed_bytes_per_sec_10K_stat, http_user_agent_speed_bytes_per_sec_10M_stat, http_user_agent_speed_bytes_per_sec_1K_stat, and http_user_agent_speed_bytes_per_sec_1M_stat.

Referenced by update_size_and_time_stats().

HttpTransact::Freshness_t HttpTransact::what_is_document_freshness	(	State *	s,
		HTTPHdr *	client_request,
		HTTPHdr *	cached_obj_response
	)			[static]

Definition at line 7234 of file HttpTransact.cc.

References HttpTransact::State::cache_control, OverridableHttpConfigParams::cache_when_to_revalidate, HttpTransactHeaders::calculate_document_age(), calculate_document_freshness_limit(), calculate_freshness_fuzz(), HttpTransact::_HeaderInfo::client_request, HttpTransact::State::current, DebugTxn, FRESHNESS_FRESH, OverridableHttpConfigParams::freshness_fuzz_time, FRESHNESS_STALE, FRESHNESS_WARNING, MIMEHdr::get_cooked_cc_mask(), MIMEHdr::get_cooked_cc_max_age(), MIMEHdr::get_cooked_cc_max_stale(), MIMEHdr::get_cooked_cc_min_fresh(), MIMEHdr::get_date(), HttpTransact::State::hdr_info, CacheControlResult::ignore_client_cc_max_age, ink_assert, max(), MIME_COOKED_MASK_CC_MAX_AGE, MIME_COOKED_MASK_CC_MAX_STALE, MIME_COOKED_MASK_CC_MIN_FRESH, MIME_COOKED_MASK_CC_MUST_REVALIDATE, MIME_PRESENCE_IF_MODIFIED_SINCE, min(), HttpTransact::_CurrentInfo::now, NUM_SECONDS_IN_ONE_YEAR, MIMEHdr::presence(), HttpTransact::State::request_sent_time, HttpTransact::State::response_received_time, CacheControlResult::revalidate_after, URL::scheme_get_wksidx(), CacheControlResult::ttl_in_cache, HttpTransact::State::txn_conf, HTTPHdr::url_get(), and URL_WKSIDX_HTTP.

Referenced by HandleCacheOpenReadHitFreshness().

bool HttpTransact::will_this_request_self_loop

(

State *

s

)

[static]

Definition at line 6543 of file HttpTransact.cc.

References HttpTransact::ConnectionAttributes::addr, ats_ip_addr_eq(), ats_ip_port_host_order(), ats_is_ip(), build_error_response(), HttpTransact::State::client_info, HttpTransact::_HeaderInfo::client_request, DebugTxn, HttpTransact::State::dns_info, MIMEHdr::field_find(), HttpTransact::State::hdr_info, HttpTransact::State::host_db_info, HttpTransact::State::http_config_param, HTTP_STATUS_BAD_REQUEST, Machine::instance(), HostDBInfo::ip, HttpTransact::_DNSLookupInfo::looking_up, HttpTransact::_DNSLookupInfo::lookup_success, MIMEField::m_next_dup, MIME_FIELD_VIA, MIME_LEN_VIA, ORIGIN_SERVER, PARENT_PROXY, URL::port_get(), HttpConfigParams::proxy_hostname, HttpConfigParams::proxy_request_via_string, ptr_len_str(), HttpTransact::State::request_will_not_selfloop, HTTPHdr::url_get(), and MIMEField::value_get().

Referenced by OSDNSLookup().

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The documentation for this class was generated from the following files:

• HttpTransact.h
• HttpTransact.cc