ApacheTrafficServer: CongestionDB.h File Reference

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#include "P_EventSystem.h"
#include "MT_hashtable.h"
#include "ControlMatcher.h"

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Data Structures
struct	CongestRequestParam
class	CongestionDB
Typedefs
typedef MTHashTable< uint64_t, CongestionEntry * >	CongestionTable
typedef HashTableIteratorState < uint64_t, CongestionEntry * >	Iter
Functions
Action *	get_congest_entry (Continuation cont, HttpRequestData data, CongestionEntry **ppEntry)
Action *	get_congest_list (Continuation cont, MIOBuffer buffer, int format=0)
void	remove_all_congested_entry (void)
void	remove_congested_entry (uint64_t key)
void	remove_congested_entry (char buf, MIOBuffer out_buffer)
void	revalidateCongestionDB ()
void	initCongestionDB ()
Variables
CongestionDB *	theCongestionDB

Detailed Description

A brief file description.

License

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Definition in file CongestionDB.h.

Typedef Documentation

typedef MTHashTable<uint64_t, CongestionEntry *> CongestionTable

Definition at line 44 of file CongestionDB.h.

typedef HashTableIteratorState<uint64_t, CongestionEntry *> Iter

Definition at line 47 of file CongestionDB.h.

Function Documentation

Action* get_congest_entry	(	Continuation *	cont,
		HttpRequestData *	data,
		CongestionEntry **	ppEntry
	)

Definition at line 468 of file CongestionDB.cc.

References ats_ip_copy(), congestionControlEnabled, CongestionControlled(), CongestionDBContAllocator, Debug, ET_NET, eventProcessor, CongestionControlRecord::get(), CongestionEntry::get(), CongestionDBCont::get_congest_entry(), HttpRequestData::get_host(), HttpRequestData::get_ip(), MTHashTable< key_t, data_t >::insert_entry(), ControlBase::line_num, MTHashTable< key_t, data_t >::lock_for_key(), MTHashTable< key_t, data_t >::lookup_entry(), CongestionDBCont::m_action, make_key(), CongestionControlRecord::max_connection, CongestionControlRecord::max_connection_failures, Continuation::mutex, MUTEX_TRY_LOCK, MTHashTable< key_t, data_t >::part_num(), CongestionDB::RunTodoList(), SCHEDULE_CONGEST_CONT_INTERVAL, EventProcessor::schedule_in(), SET_CONTINUATION_HANDLER, and this_ethread().

Action* get_congest_list	(	Continuation *	cont,
		MIOBuffer *	buffer,
		int	format = `0`
	)

void initCongestionDB ( )

Definition at line 434 of file CongestionDB.cc.

References CONGESTION_DB_SIZE, and MT_HASHTABLE_PARTITIONS.

void remove_all_congested_entry ( void )

Definition at line 565 of file CongestionDB.cc.

References CongestionDB::removeAllRecords().

void remove_congested_entry ( uint64_t key )

Definition at line 573 of file CongestionDB.cc.

References CongestionDB::removeRecord().

void remove_congested_entry	(	char *	buf,
		MIOBuffer *	out_buffer
	)

Definition at line 591 of file CongestionDB.cc.

References ats_ip_pton(), ats_is_ip(), make_key(), remove_all_congested_entry(), remove_congested_entry(), IpEndpoint::sa, and MIOBuffer::write().

void revalidateCongestionDB ( )

Definition at line 442 of file CongestionDB.cc.

References CONGESTION_DB_SIZE, CongestRequestParamAllocator, Debug, MTHashTable< key_t, data_t >::getSize(), ink_atomiclist_push(), MTHashTable< key_t, data_t >::lock_for_key(), CongestRequestParam::m_op, MT_HASHTABLE_PARTITIONS, MUTEX_TRY_LOCK, CongestionDB::revalidateBucket(), CongestionDB::RunTodoList(), this_ethread(), and CongestionDB::todo_lists.

Referenced by CongestionControlEnabledChanged(), and CongestionMatcherTable::reconfigure().

Variable Documentation

CongestionDB* theCongestionDB

Definition at line 41 of file CongestionDB.cc.