main.cc File Reference

#include "squid.h"
#include "AccessLogEntry.h"
#include "acl/Asn.h"
#include "acl/forward.h"
#include "anyp/UriScheme.h"
#include "auth/Config.h"
#include "auth/Gadgets.h"
#include "AuthReg.h"
#include "base/RunnersRegistry.h"
#include "base/Subscription.h"
#include "base/TextException.h"
#include "cache_cf.h"
#include "CachePeer.h"
#include "client_db.h"
#include "client_side.h"
#include "comm.h"
#include "CommandLine.h"
#include "ConfigParser.h"
#include "CpuAffinity.h"
#include "debug/Messages.h"
#include "DiskIO/DiskIOModule.h"
#include "dns/forward.h"
#include "errorpage.h"
#include "event.h"
#include "EventLoop.h"
#include "ExternalACL.h"
#include "fd.h"
#include "format/Token.h"
#include "fqdncache.h"
#include "fs/Module.h"
#include "fs_io.h"
#include "FwdState.h"
#include "globals.h"
#include "htcp.h"
#include "http/Stream.h"
#include "HttpHeader.h"
#include "HttpReply.h"
#include "icmp/IcmpSquid.h"
#include "icmp/net_db.h"
#include "ICP.h"
#include "Instance.h"
#include "ip/tools.h"
#include "ipc/Coordinator.h"
#include "ipc/Kids.h"
#include "ipc/Strand.h"
#include "ipcache.h"
#include "mime.h"
#include "neighbors.h"
#include "parser/Tokenizer.h"
#include "Parsing.h"
#include "pconn.h"
#include "PeerSelectState.h"
#include "protos.h"
#include "redirect.h"
#include "refresh.h"
#include "sbuf/Stream.h"
#include "SBufStatsAction.h"
#include "SquidConfig.h"
#include "stat.h"
#include "StatCounters.h"
#include "Store.h"
#include "store/Disks.h"
#include "store_log.h"
#include "StoreFileSystem.h"
#include "time/Engine.h"
#include "tools.h"
#include "unlinkd.h"
#include "wccp.h"
#include "wccp2.h"
#include "windows_service.h"
#include "adaptation/Config.h"
#include "adaptation/ecap/Config.h"
#include "adaptation/icap/Config.h"
#include "adaptation/icap/icap_log.h"
#include "ClientDelayConfig.h"
#include "DelayPools.h"
#include "LoadableModules.h"
#include "ssl/context_storage.h"
#include "ssl/helper.h"
#include "snmp_core.h"
#include <cerrno>
#include <process.h>

Go to the source code of this file.

Classes
class	StoreRootEngine
class	SignalEngine

Enumerations
enum	{   optForeground = 2,   optKid }
	CommandLine option IDs for –long options that lack a short (-x) equivalent. More...

Functions
void	WIN32_svcstatusupdate (DWORD, DWORD)
void WINAPI	WIN32_svcHandler (DWORD)
static void	mainRotate (void)
static void	mainReconfigureStart (void)
static void	mainReconfigureFinish (void *)
static void	mainInitialize (void)
static void	usage (void)
static void	mainHandleCommandLineOption (const int optId, const char *optValue)
static void	sendSignal (void)
static void	serverConnectionsOpen (void)
static void	serverConnectionsClose (void)
static void	watch_child (const CommandLine &)
static void	setEffectiveUser (void)
static void	SquidShutdown (void)
static void	mainSetCwd (void)
	set the working directory. More...
static bool	AvoidSignalAction (const char *description, volatile int &signalVar)
void	rotate_logs (int sig)
void	reconfigure (int sig)
static void	master_revive_kids (int sig)
static void	master_shutdown (int sig)
	Shutdown signal handler for master process. More...
void	shut_down (int sig)
void	sig_child (int sig)
static SBuf	ConfigurationFailureMessage ()
	error message to log when Configuration::Parse() fails More...
static bool	mainChangeDir (const char *dir)
	changes working directory, providing error reporting More...
static void	OnTerminate ()
int	SquidMain (int argc, char **argv)
	unsafe main routine – may throw More...
static int	SquidMainSafe (int argc, char **argv)
	unsafe main routine wrapper to catch exceptions More...
void WINAPI	SquidWinSvcMain (int argc, char **argv)
int	main (int argc, char **argv)
static void	ConfigureCurrentKid (const CommandLine &cmdLine)
	computes name and ID for the current kid process More...
static void	ConfigureDebugging ()
	Start directing debugs() messages to the configured cache.log. More...
static void	RunConfigUsers ()
static void	StartUsingConfig ()
static void	RegisterModules ()
	register all known modules for handling future RegisteredRunner events More...
static void	mainStartScript (const char *prog)
static void	masterShutdownStart ()
	Initiates shutdown sequence. Shutdown ends when the last running kids stops. More...
static void	masterReconfigureStart ()
	Initiates reconfiguration sequence. See also: masterReconfigureFinish(). More...
static void	masterReconfigureFinish ()
	Ends reconfiguration sequence started by masterReconfigureStart(). More...
static void	masterReviveKids ()
	Reacts to the kid revival alarm. More...
static void	masterCheckAndBroadcastSignals ()
static void	masterMaintainKidRevivalSchedule ()
static bool	masterSignaled ()
static void	GoIntoBackground ()
	makes the caller a daemon process running in the background More...
static void	masterExit ()

Variables
static int	opt_install_service = FALSE
static int	opt_remove_service = FALSE
static int	opt_command_line = FALSE
static int	opt_signal_service = FALSE
static char *	opt_syslog_facility = nullptr
static int	icpPortNumOverride = 1
static int	configured_once = 0
static volatile int	do_reconfigure = 0
static volatile int	do_rotate = 0
static volatile int	do_shutdown = 0
static volatile int	do_revive_kids = 0
static volatile int	shutdown_status = EXIT_SUCCESS
static volatile int	do_handle_stopped_child = 0
static int	RotateSignal = -1
static int	ReconfigureSignal = -1
static int	ShutdownSignal = -1
static int	ReviveKidsSignal = -1
static const char *	squid_start_script = "squid_start"
static const char *	shortOpStr
static struct option	squidOptions []
bool	Chrooted = false

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
optForeground
optKid

Definition at line 379 of file main.cc.

Function Documentation

AvoidSignalAction()

static bool AvoidSignalAction ( const char *  description, volatile int &  signalVar  )

static

Decides whether the signal-controlled action X should be delayed, canceled, or executed immediately. Clears do_X (via signalVar) as needed.

Definition at line 238 of file main.cc.

References configured_once, DBG_IMPORTANT, debugs, reconfiguring, and shutting_down.

Referenced by SignalEngine::doShutdown(), mainReconfigureStart(), mainRotate(), masterReconfigureStart(), masterReviveKids(), and masterShutdownStart().

ConfigurationFailureMessage()

static SBuf ConfigurationFailureMessage ( )

static

Definition at line 880 of file main.cc.

References SBufStream::buf(), CurrentException(), Debug::Extra(), opt_parse_cfg_only, and reconfiguring.

Referenced by mainReconfigureFinish(), and SquidMain().

ConfigureCurrentKid()

static void ConfigureCurrentKid ( const CommandLine &  cmdLine )

static

Definition at line 1360 of file main.cc.

References APP_SHORTNAME, SBuf::assign(), SBuf::c_str(), SBuf::cmp(), CharacterSet::DIGIT, CommandLine::hasOption(), KidIdentifier, Debug::NameThisKid(), optKid, pkCoordinator, pkDisker, pkOther, pkWorker, TheKidName, TheProcessKind, and xatoi().

Referenced by SquidMain().

ConfigureDebugging()

static void ConfigureDebugging ( )

static

Definition at line 1388 of file main.cc.

References Debug::BanCacheLogUse(), SquidConfig::chroot_dir, Chrooted, Config, FD_LOG, fd_open(), opt_no_daemon, and Debug::UseCacheLog().

Referenced by StartUsingConfig().

GoIntoBackground()

static void GoIntoBackground ( )

static

Definition at line 1860 of file main.cc.

References Debug::ForgetSaved(), Must, pid, TexcHere, ToSBuf(), and xstrerr().

Referenced by watch_child().

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 1327 of file main.cc.

References opt_no_daemon, SquidMainSafe(), and WIN32_StartService().

mainChangeDir()

static bool mainChangeDir ( const char *  dir )

static

Definition at line 1048 of file main.cc.

References DBG_CRITICAL, debugs, and xstrerr().

Referenced by mainSetCwd().

mainHandleCommandLineOption()

static void mainHandleCommandLineOption ( const int  optId, const char *  optValue  )

static

C

Unset/disabel global option for catchign signals. opt_catch_signals

D

OBSOLETE: WAS: override to prevent optional startup DNS tests.

F

Set global option for foreground rebuild. opt_foreground_rebuild

N

Set global option for 'no_daemon' mode. opt_no_daemon

O

Set global option. opt_command_lin and WIN32_Command_Line

R

Unset/disable global option opt_reuseaddr

S

Set global option opt_store_doublecheck

X

Force full debugging

Y

Set global option opt_reload_hit_only

i

Set global option opt_install_service (to TRUE)

a

Add optional HTTP port as given following the option

d

debugs() messages with the given debugging level (and the more important ones) should be written to stderr

f

Load the file given instead of the default squid.conf.

k

Run the administrative action given following the option

• When it is missing or an unknown option display the usage help.

• On reconfigure send SIGHUP.

• On rotate send SIGQUIT or SIGUSR1.

• On debug send SIGTRAP or SIGUSR2.

• On shutdown send SIGTERM.

• On interrupt send SIGINT.

• On kill send SIGKILL.

• On check send 0 / SIGNULL.

• On parse set global flag to re-parse the config file only.

m

Set global malloc_debug_level to the value given following the option. if none is given it toggles the xmalloc_trace option on/off

n

Set global option opt_signal_service (to true). Stores the additional parameter given in global service_name

r

Set global option opt_remove_service (to TRUE)

l

Stores the syslog facility name in global opt_syslog_facility then performs actions for -s option.

s

Initialize the syslog for output

u

Store the ICP port number given in global option icpPortNumOverride ensuring its a positive number.

v

Display squid version and build information. Then exit.

z

Request cache_dir initialization

–foreground

Set global option opt_foreground

h,?, or unknown

Definition at line 407 of file main.cc.

References add_http_port(), CharacterSet::ALPHA, Debug::BanCacheLogUse(), ConfigFile, Debug::ConfigureSyslog(), DBG_CRITICAL, DBG_IMPORTANT, debugs, CharacterSet::DIGIT, Debug::EnsureDefaultStderrLevel(), fatal(), fatalf(), icpPortNumOverride, SBuf::length(), OPENSSL_VERSION, OpenSSL_version, opt_catch_signals, opt_command_line, opt_create_swap_dirs, opt_foreground, opt_foreground_rebuild, opt_install_service, opt_no_daemon, opt_parse_cfg_only, opt_reload_hit_only, opt_remove_service, opt_reuseaddr, opt_send_signal, opt_signal_service, opt_store_doublecheck, opt_syslog_facility, optForeground, optKid, Debug::override_X, Debug::parseOptions(), port, Debug::ResetStderrLevel(), service_name, sigusr2_handle(), SQUIDSBUFPH, SQUIDSBUFPRINT, TRUE, usage(), version_string, xatoi(), xfree, and xstrdup.

Referenced by SquidMain().

mainInitialize()

static void mainInitialize ( void  )

static

Definition at line 1097 of file main.cc.

References accessLogInit(), authenticateInit(), SquidConfig::chroot_dir, Mem::CleanIdlePools(), SquidConfig::ClientDelay, Config, configured_once, Critical, DBG_CRITICAL, DBG_IMPORTANT, death(), debugs, errorInitialize(), eventAdd(), eventInit(), externalAclInit(), Adaptation::Config::Finalize(), Adaptation::Ecap::Config::finalize(), ClientDelayConfig::finalize(), Adaptation::Config::finalize(), fqdncache_init(), fqdncache_purgelru(), httpHeaderInitModule(), IamPrimaryProcess(), icapLogOpen(), SquidConfig::icp, icpPortNumOverride, Important, Dns::Init(), Ssl::Helper::Init(), DelayPools::Init(), Ssl::CertValidationHelper::Init(), FwdState::initModule(), ipcache_init(), ipcache_purgelru(), SquidConfig::loadable_module_names, LoadableModulesConfigure(), mainSetCwd(), Store::Maintain(), mimeInit(), SquidConfig::mimeTablePathname, neighbors_init(), no_suid(), Adaptation::Config::onoff, Security::OpenLogs(), opt_catch_signals, parseEtcHosts(), SquidConfig::Port, ProcessRoles(), reconfigure(), redirectInit(), refreshInit(), SBufStatsAction::RegisterWithCacheManager(), AsyncJob::RegisterWithCacheManager(), rotate_logs(), SA_NODEFER, SA_RESETHAND, SA_RESTART, serverConnectionsOpen(), service_name, setEffectiveUser(), setSystemLimits(), shut_down(), sig_child(), sigusr2_handle(), snmpInit(), Squid_MaxFD, squid_signal(), statInit(), storeInit(), Auth::TheConfig, Adaptation::Icap::TheConfig, Adaptation::Ecap::TheConfig, unlinkdInit(), unlinkdNeeded(), urlInitialize(), version_string, wccp2Init(), wccpInit(), and WIN32_IpAddrChangeMonitorInit().

Referenced by SquidMain().

mainReconfigureFinish()

static void mainReconfigureFinish ( void *  )

static

Definition at line 891 of file main.cc.

References accessLogInit(), authenticateInit(), SquidConfig::ClientDelay, Config, Config2, ConfigurationFailureMessage(), CpuAffinityCheck(), CpuAffinityReconfigure(), DBG_CRITICAL, debugs, SquidConfig2::enable_purge, enter_suid(), errorClean(), errorInitialize(), externalAclInit(), fatal(), Adaptation::Config::Finalize(), Adaptation::Ecap::Config::finalize(), ClientDelayConfig::finalize(), Adaptation::Config::finalize(), fqdncache_restart(), IamPrimaryProcess(), icapLogOpen(), Dns::Init(), ipcache_restart(), SquidConfig::loadable_module_names, LoadableModulesConfigure(), mimeInit(), SquidConfig::mimeTablePathname, neighbors_init(), Adaptation::Config::onoff, SquidConfig2::onoff, Security::OpenLogs(), Configuration::Parse(), parseEtcHosts(), Ssl::Helper::Reconfigure(), Ssl::CertValidationHelper::Reconfigure(), reconfiguring, redirectReconfigure(), RunRegisteredHere, serverConnectionsOpen(), setEffectiveUser(), setUmask(), storeDirOpenSwapLogs(), storeLogOpen(), RegisteredRunner::syncConfig(), Auth::TheConfig, Adaptation::Icap::TheConfig, Adaptation::Ecap::TheConfig, SquidConfig::umask, unlinkdInit(), unlinkdNeeded(), Debug::UseCacheLog(), wccp2Init(), wccpInit(), and SquidConfig::workers.

Referenced by mainReconfigureStart().

mainReconfigureStart()

static void mainReconfigureStart ( void  )

static

Definition at line 843 of file main.cc.

References accessLogClose(), authenticateReset(), AvoidSignalAction(), Security::CloseLogs(), DBG_IMPORTANT, debugs, do_reconfigure, eventAdd(), externalAclShutdown(), htcpClosePorts(), icapLogClose(), icpClosePorts(), mainReconfigureFinish(), Ssl::GlobalContextStorage::reconfigureStart(), reconfiguring, RunRegisteredHere, serverConnectionsClose(), RegisteredRunner::startReconfigure(), storeDirCloseSwapLogs(), storeLogClose(), Ssl::TheGlobalContextStorage, and version_string.

Referenced by SignalEngine::checkEvents().

mainRotate()

static void mainRotate ( void  )

static

Definition at line 999 of file main.cc.

References _db_rotate_log(), accessLogRotate(), authenticateInit(), authenticateRotate(), AvoidSignalAction(), IcmpSquid::Close(), do_rotate, externalAclInit(), externalAclShutdown(), icapLogRotate(), icmpEngine, IcmpSquid::Open(), redirectInit(), redirectShutdown(), Security::RotateLogs(), storeDirWriteCleanLogs(), storeLogRotate(), and Auth::TheConfig.

Referenced by SignalEngine::checkEvents().

mainSetCwd()

static void mainSetCwd ( void  )

static

Definition at line 1065 of file main.cc.

References SquidConfig::chroot_dir, Chrooted, Config, SquidConfig::coredump_dir, DBG_CRITICAL, DBG_IMPORTANT, debugs, fatalf(), Important, mainChangeDir(), MAXPATHLEN, and xstrerr().

Referenced by mainInitialize(), SquidMain(), and StartUsingConfig().

mainStartScript()

static void mainStartScript ( const char *  prog )

static

Definition at line 1749 of file main.cc.

References MAXPATHLEN, squid_start_script, WaitForOnePid(), and xstrncpy().

Referenced by watch_child().

master_revive_kids()

static void master_revive_kids ( int  sig )

static

Definition at line 725 of file main.cc.

References do_revive_kids, and ReviveKidsSignal.

Referenced by watch_child().

master_shutdown()

static void master_shutdown ( int  sig )

static

Definition at line 739 of file main.cc.

References do_shutdown, and ShutdownSignal.

Referenced by watch_child().

masterCheckAndBroadcastSignals()

static void masterCheckAndBroadcastSignals ( )

static

Definition at line 1819 of file main.cc.

References BroadcastSignalIfAny(), DebugSignal, do_reconfigure, do_revive_kids, do_shutdown, masterReconfigureFinish(), masterReconfigureStart(), masterReviveKids(), masterShutdownStart(), ReconfigureSignal, reconfiguring, ReviveKidsSignal, RotateSignal, and ShutdownSignal.

Referenced by watch_child().

masterExit()

static void masterExit ( )

static

Definition at line 1878 of file main.cc.

References Kids::allHopeless(), Kids::someSignaled(), and TheKids.

Referenced by watch_child().

masterMaintainKidRevivalSchedule()

static void masterMaintainKidRevivalSchedule ( )

static

Maintains the following invariant: An alarm should be scheduled when and only when there are hopeless kid(s) that cannot be immediately revived.

Definition at line 1842 of file main.cc.

References assert, debugs, Kids::forgetOldFailures(), and TheKids.

Referenced by watch_child().

masterReconfigureFinish()

static void masterReconfigureFinish ( )

static

Definition at line 1802 of file main.cc.

References reconfiguring.

Referenced by masterCheckAndBroadcastSignals().

masterReconfigureStart()

static void masterReconfigureStart ( )

static

Definition at line 1789 of file main.cc.

References AvoidSignalAction(), debugs, do_reconfigure, Kids::forgetAllFailures(), reconfiguring, and TheKids.

Referenced by masterCheckAndBroadcastSignals().

masterReviveKids()

static void masterReviveKids ( )

static

Definition at line 1809 of file main.cc.

References AvoidSignalAction(), Config, debugs, do_revive_kids, and SquidConfig::hopelessKidRevivalDelay.

Referenced by masterCheckAndBroadcastSignals().

masterShutdownStart()

static void masterShutdownStart ( )

static

Definition at line 1779 of file main.cc.

References AvoidSignalAction(), debugs, do_shutdown, and shutting_down.

Referenced by masterCheckAndBroadcastSignals().

masterSignaled()

static bool masterSignaled ( )

inlinestatic

Definition at line 1852 of file main.cc.

References DebugSignal, ReconfigureSignal, ReviveKidsSignal, RotateSignal, and ShutdownSignal.

Referenced by watch_child().

OnTerminate()

static void OnTerminate ( )

static

Definition at line 1298 of file main.cc.

References CurrentExceptionExtra(), DBG_CRITICAL, debugs, and Debug::PrepareToDie().

Referenced by SquidMainSafe().

reconfigure()

void reconfigure

(

int

sig

)

Definition at line 712 of file main.cc.

References do_reconfigure, reconfigure(), and ReconfigureSignal.

Referenced by Mgr::ReconfigureAction::dump(), mainInitialize(), reconfigure(), watch_child(), WIN32_IpAddrChangeMonitor(), and WIN32_svcHandler().

RegisterModules()

static void RegisterModules ( )

static

Definition at line 1440 of file main.cc.

References CallRunnerRegistrator, and CallRunnerRegistratorIn.

Referenced by SquidMain().

rotate_logs()

void rotate_logs

(

int

sig

)

Definition at line 698 of file main.cc.

References do_rotate, rotate_logs(), and RotateSignal.

Referenced by Mgr::RotateAction::dump(), mainInitialize(), rotate_logs(), watch_child(), and WIN32_svcHandler().

RunConfigUsers()

static void RunConfigUsers ( )

static

Definition at line 1404 of file main.cc.

References RegisteredRunner::claimMemoryNeeds(), RunRegisteredHere, and RegisteredRunner::useConfig().

Referenced by StartUsingConfig().

sendSignal()

static void sendSignal ( void  )

static

Definition at line 1719 of file main.cc.

References opt_send_signal, opt_signal_service, Instance::Other(), pid, TexcHere, ToSBuf(), WIN32_sendSignal(), and xstrerr().

Referenced by SquidMain().

serverConnectionsClose()

static void serverConnectionsClose ( void  )

static

Definition at line 812 of file main.cc.

References asnFreeMemory(), assert, clientConnectionsClose(), IcmpSquid::Close(), htcpSocketShutdown(), IamPrimaryProcess(), IamWorkerProcess(), icmpEngine, icpConnectionShutdown(), reconfiguring, shutting_down, snmpClosePorts(), wccp2ConnectionClose(), and wccpConnectionClose().

Referenced by SignalEngine::doShutdown(), and mainReconfigureStart().

serverConnectionsOpen()

static void serverConnectionsOpen ( void  )

static

Definition at line 780 of file main.cc.

References asnInit(), clientOpenListenSockets(), htcpOpenPorts(), IamPrimaryProcess(), IamWorkerProcess(), icmpEngine, icpOpenPorts(), Acl::Node::Initialize(), netdbInit(), IcmpSquid::Open(), peerSelectInit(), snmpOpenPorts(), wccp2ConnectionOpen(), and wccpConnectionOpen().

Referenced by mainInitialize(), and mainReconfigureFinish().

setEffectiveUser()

static void setEffectiveUser ( void  )

static

Definition at line 1028 of file main.cc.

References DBG_CRITICAL, debugs, fatal(), keepCapabilities(), and leave_suid().

Referenced by mainInitialize(), mainReconfigureFinish(), and SquidMain().

shut_down()

void shut_down

(

int

sig

)

Definition at line 753 of file main.cc.

References do_shutdown, shut_down(), shutdown_status, and ShutdownSignal.

Referenced by Mgr::ShutdownAction::dump(), mainInitialize(), shut_down(), and WIN32_svcHandler().

sig_child()

void sig_child

(

int

sig

)

Definition at line 768 of file main.cc.

References do_handle_stopped_child, and sig_child().

Referenced by mainInitialize(), and sig_child().

SquidMain()

int SquidMain	(	int	argc,
		char **	argv
	)

Definition at line 1481 of file main.cc.

References assert, RegisteredRunner::bootstrapConfig(), SquidConfig::chroot_dir, comm_init(), Config, ConfigFile, ConfigurationFailureMessage(), ConfigureCurrentKid(), configured_once, CpuAffinityCheck(), CpuAffinityInit(), Store::Controller::create(), current_time, DBG_CRITICAL, debugs, enter_suid(), EventLoop::errcount, failure_notify, fatal(), fatal_dump(), RegisteredRunner::finalizeConfig(), CommandLine::forEachOption(), getCurrentTime(), EventScheduler::GetInstance(), IamCoordinatorProcess(), IamDiskProcess(), IamMasterProcess(), IamPrimaryProcess(), IamWorkerProcess(), InDaemonMode(), Fs::Init(), Auth::Init(), Mem::Init(), Acl::Init(), Format::Token::Init(), AnyP::UriScheme::Init(), Ipc::Coordinator::Instance(), leave_suid(), mainHandleCommandLineOption(), mainInitialize(), mainSetCwd(), no_suid(), opt_command_line, opt_create_swap_dirs, opt_foreground, opt_install_service, opt_no_daemon, opt_parse_cfg_only, opt_remove_service, opt_send_signal, Configuration::Parse(), Ip::ProbeTransport(), EventLoop::registerEngine(), RegisterModules(), Store::Root(), EventLoop::run(), RunRegisteredHere, sendSignal(), setEffectiveUser(), EventLoop::setPrimaryEngine(), EventLoop::setTimeService(), Debug::SettleStderr(), Debug::SettleSyslog(), setUmask(), DiskIOModule::SetupAllModules(), shortOpStr, Squid_MaxFD, SQUID_MAXFD_LIMIT, squid_start, squidOptions, SquidShutdown(), AsyncJob::Start(), starting_up, StartUsingConfig(), storeFsInit(), Instance::ThrowIfAlreadyRunning(), SquidConfig::umask, UsingSmp(), watch_child(), WIN32_InstallService(), WIN32_RemoveService(), WIN32_SetServiceCommandLine(), WIN32_Subsystem_Init(), WIN32_svcstatusupdate(), Instance::WriteOurPid(), and xstrdup.

Referenced by SquidMainSafe().

SquidMainSafe()

static int SquidMainSafe ( int  argc, char **  argv  )

static

Definition at line 1343 of file main.cc.

References CurrentException(), DBG_CRITICAL, debugs, OnTerminate(), and SquidMain().

Referenced by main(), and SquidWinSvcMain().

SquidShutdown()

static void SquidShutdown ( void  )

static

Definition at line 2061 of file main.cc.

References accessLogClose(), authenticateReset(), comm_exit(), commCloseAllSockets(), debugs, dumpMallocStats(), externalAclShutdown(), fdDumpOpen(), RegisteredRunner::finishShutdown(), DiskIOModule::FreeAllModules(), DelayPools::FreePools(), Adaptation::Config::freeService(), htcpClosePorts(), icpClosePorts(), Important, memClean(), PrintRusage(), redirectShutdown(), releaseServerSockets(), Store::Root(), RunRegisteredHere, Ssl::Helper::Shutdown(), Ssl::CertValidationHelper::Shutdown(), shutdown_status, snmpClosePorts(), storeDirWriteCleanLogs(), storeLogClose(), Store::Controller::sync(), Adaptation::Icap::TheConfig, unlinkdClose(), version_string, wccp2ConnectionClose(), wccpConnectionClose(), and WIN32_svcstatusupdate().

Referenced by SquidMain().

SquidWinSvcMain()

void WINAPI SquidWinSvcMain	(	int	argc,
		char **	argv
	)

Definition at line 1320 of file main.cc.

References SquidMainSafe().

StartUsingConfig()

static void StartUsingConfig ( )

static

Definition at line 1411 of file main.cc.

References SquidConfig::chroot_dir, Config, ConfigureDebugging(), enter_suid(), IamMasterProcess(), InDaemonMode(), fde::Init(), leave_suid(), mainSetCwd(), RunConfigUsers(), and setMaxFD().

Referenced by SquidMain(), and watch_child().

usage()

static void usage ( void  )

static

Definition at line 322 of file main.cc.

References APP_SHORTNAME, CACHE_HTTP_PORT, and CACHE_ICP_PORT.

Referenced by mainHandleCommandLineOption().

watch_child()

static void watch_child ( const CommandLine &  masterCommand )

static

Definition at line 1896 of file main.cc.

References APP_SHORTNAME, CommandLine::arg0(), assert, SBuf::c_str(), Config, configured_once, Kids::count(), enter_suid(), fatalf(), Kids::find(), RegisteredRunner::finishShutdown(), Kids::get(), getCurrentTime(), Kid::gist(), GoIntoBackground(), SquidConfig::hopelessKidRevivalDelay, Kids::init(), leave_suid(), mainStartScript(), master_revive_kids(), master_shutdown(), masterCheckAndBroadcastSignals(), masterExit(), masterMaintainKidRevivalSchedule(), masterSignaled(), O_TEXT, opt_foreground, optKid, pid, Kid::processName(), reconfigure(), CommandLine::resetArg0(), rotate_logs(), RunRegisteredHere, Kid::shouldRestart(), Kids::shouldRestartSome(), shutting_down, sigusr2_handle(), Kids::someRunning(), squid_signal(), Kid::start(), StartUsingConfig(), Debug::StderrEnabled(), TexcHere, TheKids, WaitForAnyPid(), SquidConfig::workers, Instance::WriteOurPid(), and xstrerr().

Referenced by SquidMain().

WIN32_svcHandler()

VOID WINAPI WIN32_svcHandler

(

DWORD

Opcode

)

Definition at line 578 of file windows_service.cc.

References DBG_IMPORTANT, debugs, reconfigure(), rotate_logs(), shut_down(), sigusr2_handle(), svcHandle, and svcStatus.

Referenced by WIN32_Subsystem_Init().

WIN32_svcstatusupdate()

void WIN32_svcstatusupdate	(	DWORD	svcstate,
		DWORD	WaitHint
	)

Definition at line 567 of file windows_service.cc.

References svcHandle, and svcStatus.

Referenced by SignalEngine::doShutdown(), SquidMain(), and SquidShutdown().

Variable Documentation

Chrooted

bool Chrooted = false

Hack: Have we called chroot()? This exposure is needed because some code has to open the same files before and after chroot()

Definition at line 1061 of file main.cc.

Referenced by ConfigureDebugging(), mainSetCwd(), and PidFilenameCalc().

configured_once

int configured_once = 0

static

Definition at line 143 of file main.cc.

Referenced by AvoidSignalAction(), mainInitialize(), SquidMain(), and watch_child().

do_handle_stopped_child

volatile int do_handle_stopped_child = 0

static

Definition at line 152 of file main.cc.

Referenced by SignalEngine::checkEvents(), SignalEngine::handleStoppedChild(), and sig_child().

do_reconfigure

volatile int do_reconfigure = 0

static

Definition at line 147 of file main.cc.

Referenced by SignalEngine::checkEvents(), mainReconfigureStart(), masterCheckAndBroadcastSignals(), masterReconfigureStart(), and reconfigure().

do_revive_kids

volatile int do_revive_kids = 0

static

Definition at line 150 of file main.cc.

Referenced by master_revive_kids(), masterCheckAndBroadcastSignals(), and masterReviveKids().

do_rotate

volatile int do_rotate = 0

static

Definition at line 148 of file main.cc.

Referenced by SignalEngine::checkEvents(), mainRotate(), and rotate_logs().

do_shutdown

volatile int do_shutdown = 0

static

Definition at line 149 of file main.cc.

Referenced by SignalEngine::checkEvents(), SignalEngine::doShutdown(), master_shutdown(), masterCheckAndBroadcastSignals(), masterShutdownStart(), and shut_down().

icpPortNumOverride

int icpPortNumOverride = 1

static

Definition at line 142 of file main.cc.

Referenced by mainHandleCommandLineOption(), and mainInitialize().

opt_command_line

int opt_command_line = FALSE

static

Definition at line 135 of file main.cc.

Referenced by mainHandleCommandLineOption(), and SquidMain().

opt_install_service

int opt_install_service = FALSE

static

Definition at line 133 of file main.cc.

Referenced by mainHandleCommandLineOption(), and SquidMain().

opt_remove_service

int opt_remove_service = FALSE

static

Definition at line 134 of file main.cc.

Referenced by mainHandleCommandLineOption(), and SquidMain().

opt_signal_service

int opt_signal_service = FALSE

static

Definition at line 140 of file main.cc.

Referenced by mainHandleCommandLineOption(), and sendSignal().

opt_syslog_facility

char* opt_syslog_facility = nullptr

static

Definition at line 141 of file main.cc.

Referenced by mainHandleCommandLineOption().

ReconfigureSignal

int ReconfigureSignal = -1

static

Definition at line 155 of file main.cc.

Referenced by masterCheckAndBroadcastSignals(), masterSignaled(), and reconfigure().

ReviveKidsSignal

int ReviveKidsSignal = -1

static

Definition at line 157 of file main.cc.

Referenced by master_revive_kids(), masterCheckAndBroadcastSignals(), and masterSignaled().

RotateSignal

int RotateSignal = -1

static

Definition at line 154 of file main.cc.

Referenced by masterCheckAndBroadcastSignals(), masterSignaled(), and rotate_logs().

shortOpStr

const char* shortOpStr

static

Initial value:

=
 
    "O:Vir"
 
    "CDFNRSYXa:d:f:hk:m::n:sl:u:vz?"

Definition at line 390 of file main.cc.

Referenced by SquidMain().

shutdown_status

volatile int shutdown_status = EXIT_SUCCESS

static

Definition at line 151 of file main.cc.

Referenced by shut_down(), and SquidShutdown().

ShutdownSignal

int ShutdownSignal = -1

static

Definition at line 156 of file main.cc.

Referenced by master_shutdown(), masterCheckAndBroadcastSignals(), masterSignaled(), and shut_down().

squid_start_script

const char* squid_start_script = "squid_start"

static

Definition at line 174 of file main.cc.

Referenced by mainStartScript().

squidOptions

struct option squidOptions[]

static

Initial value:

= {
    {"foreground", no_argument, nullptr,  optForeground},
    {"kid",        required_argument, nullptr, optKid},
    {"help",       no_argument, nullptr, 'h'},
    {"version",    no_argument, nullptr, 'v'},
    {nullptr, 0, nullptr, 0}
}

Definition at line 397 of file main.cc.

Referenced by SquidMain().