ApacheTrafficServer: HostDBRoundRobin Struct Reference

#include <I_HostDBProcessor.h>

Collaboration diagram for HostDBRoundRobin:

Collaboration graph

Public Member Functions
int	index_of (sockaddr const *addr)
	Find the index of addr in member info.
HostDBInfo *	find_ip (sockaddr const *addr)
HostDBInfo *	find_target (const char *target)
HostDBInfo *	select_next (sockaddr const *addr)
	Select the next entry after addr.
HostDBInfo *	select_best_http (sockaddr const *client_ip, ink_time_t now, int32_t fail_window)
HostDBInfo *	select_best_srv (char target, InkRand rand, ink_time_t now, int32_t fail_window)
	HostDBRoundRobin ()
Static Public Member Functions
static unsigned	size (unsigned count, unsigned srv_len=0)
Data Fields
short	rrcount
	Total number (to compute space used).
short	good
	Number which have not failed a connect.
unsigned short	current
unsigned short	length
ink_time_t	timed_rr_ctime
HostDBInfo	info []

Detailed Description

Definition at line 308 of file I_HostDBProcessor.h.

Constructor & Destructor Documentation

HostDBRoundRobin::HostDBRoundRobin ( ) [inline]

Definition at line 344 of file I_HostDBProcessor.h.

Member Function Documentation

HostDBInfo * HostDBRoundRobin::find_ip ( sockaddr const * addr ) [inline]

Definition at line 236 of file P_HostDBProcessor.h.

References index_of(), and info.

Referenced by HttpSM::process_hostdb_info(), and HttpSM::state_mark_os_down().

HostDBInfo * HostDBRoundRobin::find_target ( const char * target ) [inline]

Definition at line 255 of file P_HostDBProcessor.h.

References good, HOST_DB_MAX_ROUND_ROBIN_INFO, info, ink_assert, SRVInfo::key, makeHostHash(), and HostDBInfo::srv.

int HostDBRoundRobin::index_of ( sockaddr const * addr ) [inline]

Find the index of addr in member info.

Returns:: The index if found, -1 if not found.

Definition at line 219 of file P_HostDBProcessor.h.

References ats_ip_addr_eq(), good, HOST_DB_MAX_ROUND_ROBIN_INFO, info, and ink_assert.

Referenced by find_ip(), and select_next().

HostDBInfo * HostDBRoundRobin::select_best_http	(	sockaddr const *	client_ip,
		ink_time_t	now,
		int32_t	fail_window
	)			`[inline]`

Definition at line 271 of file P_HostDBProcessor.h.

References HostDBInfo::app, current, Debug, good, HOST_DB_MAX_ROUND_ROBIN_INFO, HOSTDB_CLIENT_IP_HASH(), HostDBProcessor::hostdb_strict_round_robin, HostDBProcessor::hostdb_timed_round_robin, HostDBApplicationInfo::http_data, info, ink_assert, HostDBInfo::ip, HostDBApplicationInfo::http_server_attr::last_failure, memcpy, and timed_rr_ctime.

Referenced by HttpSM::process_hostdb_info().

HostDBInfo * HostDBRoundRobin::select_best_srv	(	char *	target,
		InkRand *	rand,
		ink_time_t	now,
		int32_t	fail_window
	)			`[inline]`

Definition at line 348 of file P_HostDBProcessor.h.

References HostDBInfo::app, current, HostDBInfo::data, good, HOST_DB_MAX_ROUND_ROBIN_INFO, HostDBApplicationInfo::http_data, info, ink_assert, HostDBApplicationInfo::http_server_attr::last_failure, InkRand::random(), HostDBInfo::srv, SRVInfo::srv_priority, SRVInfo::srv_weight, and HostDBInfo::srvname().

Referenced by HttpSM::process_srv_info().

HostDBInfo * HostDBRoundRobin::select_next ( sockaddr const * addr ) [inline]

Select the next entry after addr.

Note:: If addr isn't an address in the round robin nothing is updated.

Returns:: The selected entry or NULL if addr wasn't present.

Definition at line 242 of file P_HostDBProcessor.h.

References good, index_of(), and info.

Referenced by HttpTransact::OSDNSLookup().

static unsigned HostDBRoundRobin::size	(	unsigned	count,
		unsigned	srv_len = `0`
	)			`[inline, static]`

Definition at line 324 of file I_HostDBProcessor.h.

References INK_ALIGN, and ink_assert.

Referenced by HostDBContinuation::dnsEvent().

Field Documentation

unsigned short HostDBRoundRobin::current

Definition at line 316 of file I_HostDBProcessor.h.

Referenced by HostDBContinuation::dnsEvent(), select_best_http(), select_best_srv(), and ShowHostDB::showLookupDone().

short HostDBRoundRobin::good

Number which have not failed a connect.

Definition at line 314 of file I_HostDBProcessor.h.

Referenced by HostDBContinuation::dnsEvent(), find_target(), index_of(), HostDBCache::rebuild_callout(), remove_round_robin(), reply_to_cont(), HostDBInfo::rr(), select_best_http(), select_best_srv(), select_next(), and ShowHostDB::showLookupDone().

HostDBInfo HostDBRoundRobin::info[]

Definition at line 320 of file I_HostDBProcessor.h.

Referenced by HostDBContinuation::dnsEvent(), do_setby(), find_ip(), find_target(), index_of(), HttpSM::process_hostdb_info(), HostDBCache::rebuild_callout(), remove_round_robin(), restore_info(), select_best_http(), select_best_srv(), select_next(), ShowHostDB::showLookupDone(), and HostDBInfo::srvname().

unsigned short HostDBRoundRobin::length

Definition at line 317 of file I_HostDBProcessor.h.

Referenced by HostDBContinuation::dnsEvent(), HostDBInfo::heap_size(), and HostDBInfo::srvname().

short HostDBRoundRobin::rrcount

Total number (to compute space used).

Definition at line 311 of file I_HostDBProcessor.h.

Referenced by HostDBContinuation::dnsEvent(), do_setby(), HttpSM::process_hostdb_info(), HostDBCache::rebuild_callout(), reply_to_cont(), restore_info(), HostDBInfo::rr(), ShowHostDB::showLookupDone(), and HostDBInfo::srvname().

ink_time_t HostDBRoundRobin::timed_rr_ctime

Definition at line 318 of file I_HostDBProcessor.h.

Referenced by select_best_http().

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