ApacheTrafficServer: CongestionEntry Struct Reference

#include <Congestion.h>

Inherits RequestData.

Collaboration diagram for CongestionEntry:

Collaboration graph

Public Member Functions
	CongestionEntry (const char hostname, sockaddr const ip, CongestionControlRecord *rule, uint64_t key)
	CongestionEntry ()
virtual	~CongestionEntry ()
virtual char *	get_string ()
virtual const char *	get_host ()
virtual sockaddr const *	get_ip ()
virtual const sockaddr *	get_client_ip ()
virtual RD_Type	data_type (void)
int	sprint (char *buf, int buflen, int format=0)
void	get ()
void	put ()
bool	F_congested ()
bool	M_congested (ink_hrtime t)
bool	congested ()
void	go_alive ()
void	failed_at (ink_hrtime t)
void	connection_opened ()
void	connection_closed ()
bool	proxy_retry (ink_hrtime t)
int	client_retry_after ()
int	connect_retries ()
int	connect_timeout ()
char *	getErrorPage ()
void	stat_inc_F ()
void	stat_inc_M ()
void	clearFailHistory ()
bool	compCongested ()
bool	usefulInfo (ink_hrtime t)
bool	validate ()
void	applyNewRule (CongestionControlRecord *rule)
void	init (CongestionControlRecord *rule)
Data Fields
uint64_t	m_key
IpEndpoint	m_ip
char *	m_hostname
CongestionControlRecord *	pRecord
FailHistory	m_history
Ptr< ProxyMutex >	m_hist_lock
ink_hrtime	m_last_congested
volatile int	m_congested
int	m_stat_congested_conn_failures
volatile int	m_M_congested
ink_hrtime	m_last_M_congested
int	m_num_connections
int	m_stat_congested_max_conn
int	m_ref_count

Detailed Description

Definition at line 199 of file Congestion.h.

Constructor & Destructor Documentation

CongestionEntry::CongestionEntry	(	const char *	hostname,
		sockaddr const *	ip,
		CongestionControlRecord *	rule,
		uint64_t	key
	)

Definition at line 552 of file Congestion.cc.

References ats_ip_copy(), ats_strdup, clearFailHistory(), CongestionControlRecord::get(), m_hist_lock, m_hostname, m_ip, new_ProxyMutex(), and IpEndpoint::sa.

CongestionEntry::CongestionEntry ( ) [inline]

Definition at line 411 of file Congestion.h.

References m_hist_lock, m_ip, and new_ProxyMutex().

CongestionEntry::~CongestionEntry ( ) [inline, virtual]

Definition at line 422 of file Congestion.h.

References ats_free(), m_hist_lock, and m_hostname.

Member Function Documentation

void CongestionEntry::applyNewRule ( CongestionControlRecord * rule )

Definition at line 605 of file Congestion.cc.

References FailHistory::events, CongestionControlRecord::fail_window, CongestionControlRecord::get(), init(), m_congested, m_history, m_M_congested, and m_num_connections.

Referenced by validate().

void CongestionEntry::clearFailHistory ( ) [inline]

Definition at line 405 of file Congestion.h.

References FailHistory::init(), m_congested, and m_history.

Referenced by CongestionEntry(), and init().

int CongestionEntry::client_retry_after ( ) [inline]

Definition at line 307 of file Congestion.h.

References F_congested(), ink_get_hrtime(), ink_hrtime_to_sec(), FailHistory::last_event, m_history, and InkRand::random().

Referenced by HttpTransact::build_error_response().

bool CongestionEntry::compCongested ( ) [inline]

Definition at line 378 of file Congestion.h.

References FailHistory::events, m_congested, and m_history.

Referenced by failed_at().

bool CongestionEntry::congested ( ) [inline]

Definition at line 340 of file Congestion.h.

References F_congested(), and m_M_congested.

Referenced by get_congest_list(), and CongestionDBCont::get_congest_list().

int CongestionEntry::connect_retries ( ) [inline]

Definition at line 346 of file Congestion.h.

References F_congested().

Referenced by HttpTransact::handle_response_from_server().

int CongestionEntry::connect_timeout ( ) [inline]

Definition at line 356 of file Congestion.h.

References F_congested().

Referenced by HttpSM::attach_server_session(), and HttpSM::do_http_server_open().

void CongestionEntry::connection_closed ( ) [inline]

Definition at line 396 of file Congestion.h.

References m_M_congested, and m_num_connections.

Referenced by HttpTransact::State::destroy().

void CongestionEntry::connection_opened ( ) [inline]

Definition at line 389 of file Congestion.h.

References m_num_connections.

Referenced by HttpSM::handle_http_server_open(), and HttpSM::state_raw_http_server_open().

virtual RD_Type CongestionEntry::data_type ( void ) [inline, virtual]

Reimplemented from RequestData.

Definition at line 249 of file Congestion.h.

bool CongestionEntry::F_congested ( ) [inline]

Definition at line 323 of file Congestion.h.

References m_congested.

Referenced by client_retry_after(), congested(), connect_retries(), connect_timeout(), HttpSM::do_http_server_open(), and HttpTransact::handle_server_died().

void CongestionEntry::failed_at ( ink_hrtime t )

Definition at line 702 of file Congestion.cc.

References compCongested(), Debug, FailHistory::last_event, m_congested, m_hist_lock, m_history, m_last_congested, MUTEX_TRY_LOCK, FailHistory::regist_event(), and this_ethread().

Referenced by HttpTransact::handle_server_died(), and CCFailHistoryTestCont::schedule_event().

void CongestionEntry::get ( void ) [inline]

Definition at line 432 of file Congestion.h.

References m_ref_count.

Referenced by CongestionDB::addRecord(), and get_congest_entry().

virtual const sockaddr* CongestionEntry::get_client_ip ( ) [inline, virtual]

Implements RequestData.

Definition at line 245 of file Congestion.h.

virtual const char* CongestionEntry::get_host ( ) [inline, virtual]

Implements RequestData.

Definition at line 237 of file Congestion.h.

References m_hostname.

virtual sockaddr const* CongestionEntry::get_ip ( ) [inline, virtual]

Implements RequestData.

Definition at line 241 of file Congestion.h.

References m_ip, and IpEndpoint::sa.

virtual char* CongestionEntry::get_string ( ) [inline, virtual]

Implements RequestData.

Definition at line 233 of file Congestion.h.

char* CongestionEntry::getErrorPage ( ) [inline]

Definition at line 278 of file Congestion.h.

Referenced by HttpTransact::handle_server_died().

void CongestionEntry::go_alive ( )

Definition at line 726 of file Congestion.cc.

References m_congested.

Referenced by HttpSM::kill_this().

void CongestionEntry::init ( CongestionControlRecord * rule )

Definition at line 571 of file Congestion.cc.

References clearFailHistory(), CongestionControlRecord::get(), m_M_congested, and m_num_connections.

Referenced by applyNewRule(), and CCFailHistoryTestCont::mainEvent().

bool CongestionEntry::M_congested ( ink_hrtime t ) [inline]

Definition at line 328 of file Congestion.h.

References m_last_M_congested, m_M_congested, and m_num_connections.

Referenced by HttpSM::do_http_server_open().

bool CongestionEntry::proxy_retry ( ink_hrtime t ) [inline]

Definition at line 318 of file Congestion.h.

References ink_hrtime_to_sec(), FailHistory::last_event, and m_history.

Referenced by HttpSM::do_http_server_open().

void CongestionEntry::put ( ) [inline]

Definition at line 438 of file Congestion.h.

References m_ref_count.

Referenced by CongestionDB::addRecord(), congestEntryGC(), HttpTransact::State::destroy(), CongestionDBCont::GC(), CongestionDB::process(), CongestionDB::removeAllRecords(), CongestionDB::removeRecord(), CongestionDB::revalidateBucket(), and CCFailHistoryTestCont::~CCFailHistoryTestCont().

int CongestionEntry::sprint	(	char *	buf,
		int	buflen,
		int	format = `0`
	)

void CongestionEntry::stat_inc_F ( ) [inline]

Definition at line 367 of file Congestion.h.

References m_stat_congested_conn_failures.

Referenced by HttpSM::do_http_server_open(), and HttpTransact::handle_server_died().

void CongestionEntry::stat_inc_M ( ) [inline]

Definition at line 373 of file Congestion.h.

References m_stat_congested_max_conn.

Referenced by HttpSM::do_http_server_open().

bool CongestionEntry::usefulInfo ( ink_hrtime t ) [inline]

Definition at line 299 of file Congestion.h.

References FailHistory::events, FailHistory::last_event, m_congested, m_history, m_num_connections, and m_ref_count.

Referenced by congestEntryGC(), and CongestionDBCont::GC().

bool CongestionEntry::validate ( )

Definition at line 587 of file Congestion.cc.

References applyNewRule(), CongestionControlled(), m_hostname, m_ip, m_key, make_key(), and IpEndpoint::sa.

Referenced by CongestionDB::revalidateBucket().

Field Documentation

volatile int CongestionEntry::m_congested

Definition at line 215 of file Congestion.h.

Referenced by applyNewRule(), clearFailHistory(), compCongested(), F_congested(), failed_at(), CCCongestionDBTestCont::gen_CongestionEntry(), go_alive(), sprint(), and usefulInfo().

Ptr<ProxyMutex> CongestionEntry::m_hist_lock

Definition at line 213 of file Congestion.h.

Referenced by CongestionEntry(), failed_at(), and ~CongestionEntry().

FailHistory CongestionEntry::m_history

Definition at line 212 of file Congestion.h.

Referenced by applyNewRule(), CCFailHistoryTestCont::check_history(), clearFailHistory(), client_retry_after(), compCongested(), failed_at(), proxy_retry(), sprint(), and usefulInfo().

char* CongestionEntry::m_hostname

Definition at line 205 of file Congestion.h.

Referenced by CongestionEntry(), get_host(), sprint(), validate(), and ~CongestionEntry().

IpEndpoint CongestionEntry::m_ip

Definition at line 204 of file Congestion.h.

Referenced by CongestionEntry(), get_ip(), sprint(), and validate().

uint64_t CongestionEntry::m_key

Definition at line 202 of file Congestion.h.

Referenced by CongestionDB::addRecord(), CCCongestionDBTestCont::mainEvent(), sprint(), and validate().

ink_hrtime CongestionEntry::m_last_congested

Definition at line 214 of file Congestion.h.

Referenced by failed_at(), and sprint().

ink_hrtime CongestionEntry::m_last_M_congested

Definition at line 219 of file Congestion.h.

Referenced by M_congested().

volatile int CongestionEntry::m_M_congested

Definition at line 218 of file Congestion.h.

Referenced by applyNewRule(), congested(), connection_closed(), init(), and M_congested().

int CongestionEntry::m_num_connections

Definition at line 222 of file Congestion.h.

Referenced by applyNewRule(), connection_closed(), connection_opened(), init(), M_congested(), sprint(), and usefulInfo().

int CongestionEntry::m_ref_count

Definition at line 226 of file Congestion.h.

Referenced by CCCongestionDBTestCont::gen_CongestionEntry(), get(), put(), sprint(), and usefulInfo().

int CongestionEntry::m_stat_congested_conn_failures

Definition at line 216 of file Congestion.h.

Referenced by sprint(), and stat_inc_F().

int CongestionEntry::m_stat_congested_max_conn

Definition at line 223 of file Congestion.h.

Referenced by sprint(), and stat_inc_M().

CongestionControlRecord* CongestionEntry::pRecord

Definition at line 209 of file Congestion.h.

Referenced by get_congest_list(), and CongestionDBCont::get_congest_list().

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