Classes | Macros | Functions | Variables
wccp.cc File Reference
#include "squid.h"
#include "base/RunnersRegistry.h"
#include "comm.h"
#include "comm/Connection.h"
#include "comm/Loops.h"
#include "compat/socket.h"
#include "event.h"
#include "fatal.h"
#include "SquidConfig.h"
#include "tools.h"
Include dependency graph for wccp.cc:

Go to the source code of this file.

Classes

struct  wccp_here_i_am_t
 
struct  wccp_cache_entry_t
 
struct  wccp_i_see_you_t
 
struct  wccp_assign_bucket_t
 
class  WccpRr
 

Macros

#define WCCP_PORT   2048
 
#define WCCP_REVISION   0
 
#define WCCP_ACTIVE_CACHES   32
 
#define WCCP_HASH_SIZE   32
 
#define WCCP_BUCKETS   256
 
#define WCCP_CACHE_LEN   4
 
#define WCCP_HERE_I_AM   7
 
#define WCCP_I_SEE_YOU   8
 
#define WCCP_ASSIGN_BUCKET   9
 

Functions

static int wccpLowestIP (void)
 
static void wccpAssignBuckets (void)
 
static void wccpInit (void)
 
static void wccpConnectionOpen (void)
 
static void wccpConnectionClose (void)
 
 DefineRunnerRegistrator (WccpRr)
 
static void wccpHandleUdp (int sock, void *)
 
static void wccpHereIam (void *)
 

Variables

static int theWccpConnection = -1
 
static struct wccp_here_i_am_t wccp_here_i_am
 
static struct wccp_i_see_you_t wccp_i_see_you
 
static int last_change
 
static int last_id
 
static int last_assign_buckets_change
 
static unsigned int number_caches
 
static Ip::Address local_ip
 
static PF wccpHandleUdp
 
static EVH wccpHereIam
 

Macro Definition Documentation

◆ WCCP_ACTIVE_CACHES

#define WCCP_ACTIVE_CACHES   32

Definition at line 26 of file wccp.cc.

◆ WCCP_ASSIGN_BUCKET

#define WCCP_ASSIGN_BUCKET   9

Definition at line 33 of file wccp.cc.

◆ WCCP_BUCKETS

#define WCCP_BUCKETS   256

Definition at line 28 of file wccp.cc.

◆ WCCP_CACHE_LEN

#define WCCP_CACHE_LEN   4

Definition at line 29 of file wccp.cc.

◆ WCCP_HASH_SIZE

#define WCCP_HASH_SIZE   32

Definition at line 27 of file wccp.cc.

◆ WCCP_HERE_I_AM

#define WCCP_HERE_I_AM   7

Definition at line 31 of file wccp.cc.

◆ WCCP_I_SEE_YOU

#define WCCP_I_SEE_YOU   8

Definition at line 32 of file wccp.cc.

◆ WCCP_PORT

#define WCCP_PORT   2048

Definition at line 24 of file wccp.cc.

◆ WCCP_REVISION

#define WCCP_REVISION   0

Definition at line 25 of file wccp.cc.

Function Documentation

◆ DefineRunnerRegistrator()

DefineRunnerRegistrator ( WccpRr  )

◆ wccpAssignBuckets()

static void wccpAssignBuckets ( void  )
static

Definition at line 308 of file wccp.cc.

References assert, buckets, comm_udp_send(), debugs, wccp_i_see_you_t::id, wccp_assign_bucket_t::id, wccp_cache_entry_t::ip_addr, last_change, wccp_i_see_you_t::number, wccp_assign_bucket_t::number, number_caches, theWccpConnection, wccp_assign_bucket_t::type, WCCP_ACTIVE_CACHES, WCCP_ASSIGN_BUCKET, WCCP_BUCKETS, wccp_i_see_you_t::wccp_cache_entry, WCCP_CACHE_LEN, wccp_i_see_you, xfree, and xmalloc.

Referenced by wccpHandleUdp().

◆ wccpConnectionClose()

static void wccpConnectionClose ( void  )
static

Definition at line 161 of file wccp.cc.

References comm_close, DBG_IMPORTANT, debugs, IamPrimaryProcess(), and theWccpConnection.

Referenced by WccpRr::startReconfigure(), and WccpRr::startShutdown().

◆ wccpConnectionOpen()

static void wccpConnectionOpen ( void  )
static

Definition at line 106 of file wccp.cc.

References SquidConfig::address, COMM_NONBLOCKING, comm_open_listener(), COMM_SELECT_READ, Config, DBG_CRITICAL, DBG_IMPORTANT, debugs, fatal(), Ip::Address::getSockAddr(), IamPrimaryProcess(), Ip::Address::isAnyAddr(), local_ip, Ip::Address::port(), SquidConfig::router, Ip::Address::setIPv4(), Comm::SetSelect(), theWccpConnection, SquidConfig::Wccp, WCCP_PORT, wccpHandleUdp, xconnect(), and xgetsockname().

Referenced by WccpRr::syncConfig(), and WccpRr::useConfig().

◆ wccpHandleUdp()

static void wccpHandleUdp ( int  sock,
void *   
)
static

Definition at line 191 of file wccp.cc.

References wccp_i_see_you_t::change, COMM_SELECT_READ, comm_udp_recvfrom(), Config, DBG_IMPORTANT, debugs, wccp_i_see_you_t::id, last_assign_buckets_change, last_change, last_id, wccp_i_see_you_t::number, number_caches, SquidConfig::router, Comm::SetSelect(), wccp_i_see_you_t::type, wccp_i_see_you_t::version, SquidConfig::version, SquidConfig::Wccp, WCCP_ACTIVE_CACHES, WCCP_I_SEE_YOU, wccp_i_see_you, wccpAssignBuckets(), wccpHandleUdp, and wccpLowestIP().

◆ wccpHereIam()

static void wccpHereIam ( void *  )
static

Definition at line 288 of file wccp.cc.

References comm_udp_send(), debugs, eventAdd(), eventFind(), wccp_here_i_am_t::id, last_id, theWccpConnection, wccp_here_i_am, wccpHereIam, and xstrerr().

◆ wccpInit()

static void wccpInit ( void  )
static

Definition at line 85 of file wccp.cc.

References Config, debugs, eventAdd(), eventFind(), IamPrimaryProcess(), Ip::Address::isAnyAddr(), last_assign_buckets_change, last_change, last_id, number_caches, wccp_here_i_am_t::revision, SquidConfig::router, wccp_here_i_am_t::type, wccp_here_i_am_t::version, SquidConfig::version, SquidConfig::Wccp, WCCP_HERE_I_AM, wccp_here_i_am, WCCP_REVISION, and wccpHereIam.

Referenced by WccpRr::useConfig().

◆ wccpLowestIP()

static int wccpLowestIP ( void  )
static

Definition at line 265 of file wccp.cc.

References assert, wccp_cache_entry_t::ip_addr, local_ip, wccp_i_see_you_t::number, WCCP_ACTIVE_CACHES, wccp_i_see_you_t::wccp_cache_entry, and wccp_i_see_you.

Referenced by wccpHandleUdp().

Variable Documentation

◆ last_assign_buckets_change

int last_assign_buckets_change
static

Definition at line 74 of file wccp.cc.

Referenced by wccpHandleUdp(), and wccpInit().

◆ last_change

int last_change
static

Definition at line 72 of file wccp.cc.

Referenced by wccpAssignBuckets(), wccpHandleUdp(), and wccpInit().

◆ last_id

int last_id
static

Definition at line 73 of file wccp.cc.

Referenced by wccpHandleUdp(), wccpHereIam(), and wccpInit().

◆ local_ip

Ip::Address local_ip
static

Definition at line 77 of file wccp.cc.

Referenced by wccpConnectionOpen(), and wccpLowestIP().

◆ number_caches

unsigned int number_caches
static

Definition at line 75 of file wccp.cc.

Referenced by wccpAssignBuckets(), wccpHandleUdp(), and wccpInit().

◆ theWccpConnection

int theWccpConnection = -1
static

Definition at line 67 of file wccp.cc.

Referenced by wccpAssignBuckets(), wccpConnectionClose(), wccpConnectionOpen(), and wccpHereIam().

◆ wccp_here_i_am

struct wccp_here_i_am_t wccp_here_i_am
static

Definition at line 69 of file wccp.cc.

Referenced by wccpHereIam(), and wccpInit().

◆ wccp_i_see_you

struct wccp_i_see_you_t wccp_i_see_you
static

Definition at line 71 of file wccp.cc.

Referenced by wccpAssignBuckets(), wccpHandleUdp(), and wccpLowestIP().

◆ wccpHandleUdp

PF wccpHandleUdp
static

Definition at line 79 of file wccp.cc.

Referenced by wccpConnectionOpen(), and wccpHandleUdp().

◆ wccpHereIam

EVH wccpHereIam
static

Definition at line 81 of file wccp.cc.

Referenced by wccpHereIam(), and wccpInit().

 

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