#include <Client.h>

Inheritance diagram for Client:

Collaboration diagram for Client:

Public Types
typedef CbcPointer< AsyncJob >	Pointer

typedef CbcPointer< BodyProducer >	Pointer

typedef CbcPointer< BodyConsumer >	Pointer

Public Member Functions
	Client (FwdState *)

virtual	~Client ()

virtual const Comm::ConnectionPointer &	dataConnection () const =0

virtual void	noteMoreBodyDataAvailable (BodyPipe::Pointer)

virtual void	noteBodyProductionEnded (BodyPipe::Pointer)

virtual void	noteBodyProducerAborted (BodyPipe::Pointer)

virtual void	maybeReadVirginBody ()=0
	read response data from the network More...

virtual void	abortAll (const char *reason)=0
	abnormal transaction termination; reason is for debugging only More...

virtual bool	abortOnData (const char *reason)

virtual HttpRequestPointer	originalRequest ()
	a hack to reach HttpStateData::orignal_request More...

virtual void	noteAdaptationAnswer (const Adaptation::Answer &answer)

virtual void	noteAdaptationAclCheckDone (Adaptation::ServiceGroupPointer group)

virtual void	noteMoreBodySpaceAvailable (BodyPipe::Pointer)

virtual void	noteBodyConsumerAborted (BodyPipe::Pointer)

virtual bool	getMoreRequestBody (MemBuf &buf)
	either fill buf with available [encoded] request body bytes or return false More...

virtual void	processReplyBody ()=0

virtual void	swanSong ()

virtual bool	doneAll () const
	whether positive goal has been reached More...

void	serverComplete ()

bool	canBeCalled (AsyncCall &call) const
	whether we can be called More...

void	callStart (AsyncCall &call)

virtual void	callEnd ()
	called right after the called job method More...

virtual void	callException (const std::exception &e)
	called when the job throws during an async call More...

virtual void *	toCbdata ()=0

Static Public Member Functions
static Pointer	Start (AsyncJob *job)
	starts a freshly created job (i.e., makes the job asynchronous) More...

Public Attributes
StoreEntry *	entry = nullptr

FwdState::Pointer	fwd

HttpRequestPointer	request

Protected Member Functions
virtual void	haveParsedReplyHeaders ()
	called when we have final (possibly adapted) reply headers; kids extend More...

virtual void	completeForwarding ()

bool	startRequestBodyFlow ()

void	handleMoreRequestBodyAvailable ()

void	handleRequestBodyProductionEnded ()

virtual void	handleRequestBodyProducerAborted ()=0

void	sendMoreRequestBody ()

virtual void	sentRequestBody (const CommIoCbParams &io)=0

virtual void	doneSendingRequestBody ()=0

virtual void	closeServer ()=0

virtual bool	doneWithServer () const =0

virtual bool	mayReadVirginReplyBody () const =0
	whether we may receive more virgin response body bytes More...

bool	abortOnBadEntry (const char *abortReason)
	Entry-dependent callbacks use this check to quit if the entry went bad. More...

bool	blockCaching ()
	whether to prevent caching of an otherwise cachable response More...

void	startAdaptation (const Adaptation::ServiceGroupPointer &group, HttpRequest *cause)
	Initiate an asynchronous adaptation transaction which will call us back. More...

void	adaptVirginReplyBody (const char *buf, ssize_t len)

void	cleanAdaptation ()

virtual bool	doneWithAdaptation () const

void	handleMoreAdaptedBodyAvailable ()

void	handleAdaptedBodyProductionEnded ()

void	handleAdaptedBodyProducerAborted ()

void	handleAdaptedHeader (Http::Message *msg)

void	handleAdaptationCompleted ()

void	handleAdaptationBlocked (const Adaptation::Answer &answer)

void	handleAdaptationAborted (bool bypassable=false)

bool	handledEarlyAdaptationAbort ()

void	resumeBodyStorage ()
	called by StoreEntry when it has more buffer space available More...

void	endAdaptedBodyConsumption ()
	called when the entire adapted response body is consumed More...

const HttpReply *	virginReply () const

HttpReply *	virginReply ()

HttpReply *	setVirginReply (HttpReply *r)

HttpReply *	finalReply ()

HttpReply *	setFinalReply (HttpReply *r)

void	adaptOrFinalizeReply ()

void	addVirginReplyBody (const char *buf, ssize_t len)

void	storeReplyBody (const char *buf, ssize_t len)

size_t	replyBodySpace (const MemBuf &readBuf, const size_t minSpace) const

size_t	calcBufferSpaceToReserve (const size_t space, const size_t wantSpace) const
	determine how much space the buffer needs to reserve More...

void	adjustBodyBytesRead (const int64_t delta)
	initializes bodyBytesRead stats if needed and applies delta More...

CbcPointer< Initiate >	initiateAdaptation (Initiate *x)
	< starts freshly created initiate and returns a safe pointer to it More...

void	clearAdaptation (CbcPointer< Initiate > &x)
	clears the pointer (does not call announceInitiatorAbort) More...

void	announceInitiatorAbort (CbcPointer< Initiate > &x)
	inform the transaction about abnormal termination and clear the pointer More...

bool	initiated (const CbcPointer< AsyncJob > &job) const
	Must(initiated(initiate)) instead of Must(initiate.set()), for clarity. More...

void	deleteThis (const char *aReason)

void	mustStop (const char *aReason)

bool	done () const
	the job is destroyed in callEnd() when done() More...

virtual void	start ()
	called by AsyncStart; do not call directly More...

virtual const char *	status () const
	internal cleanup; do not call directly More...

void	stopProducingFor (RefCount< BodyPipe > &, bool atEof)

void	stopConsumingFrom (RefCount< BodyPipe > &)

Protected Attributes
int64_t	currentOffset = 0

MemBuf *	responseBodyBuffer = nullptr

BodyPipe::Pointer	requestBodySource

AsyncCall::Pointer	requestSender

BodyPipe::Pointer	virginBodyDestination

CbcPointer< Adaptation::Initiate >	adaptedHeadSource

BodyPipe::Pointer	adaptedBodySource

bool	adaptationAccessCheckPending = false

bool	startedAdaptation = false

bool	receivedWholeRequestBody = false
	handleRequestBodyProductionEnded called More...

const char *	doneWithFwd = nullptr

const char *	stopReason
	reason for forcing done() to be true More...

const char *	typeName
	kid (leaf) class name, for debugging More...

AsyncCall::Pointer	inCall
	the asynchronous call being handled, if any More...

const InstanceId< AsyncJob >	id
	job identifier More...

Private Member Functions
void	serverComplete2 ()

void	sendBodyIsTooLargeError ()

void	maybePurgeOthers ()

Private Attributes
bool	completed = false

HttpReply *	theVirginReply = nullptr

HttpReply *	theFinalReply = nullptr

Detailed Description

Client is a common base for classes such as HttpStateData and FtpStateData. All such classes must be able to consume request bodies from a BodyPipe or ICAP producer, adapt virgin responses using ICAP, and provide a consumer with responses.

Definition at line 29 of file Client.h.

Member Typedef Documentation

typedef CbcPointer<BodyProducer> BodyProducer::Pointer

inherited

Definition at line 25 of file BodyPipe.h.

typedef CbcPointer<AsyncJob> AsyncJob::Pointer

inherited

Definition at line 34 of file AsyncJob.h.

typedef CbcPointer<BodyConsumer> BodyConsumer::Pointer

inherited

Definition at line 45 of file BodyPipe.h.

Constructor & Destructor Documentation

Client::Client ( FwdState * theFwdState )

Definition at line 39 of file Client.cc.

References FwdState::entry, entry, fwd, and StoreEntry::lock().

Client::~Client ( )

virtual

Reimplemented in Ftp::Client.

Definition at line 48 of file Client.cc.

References adaptedBodySource, assert, entry, HTTPMSGUNLOCK(), NULL, requestBodySource, responseBodyBuffer, theFinalReply, theVirginReply, StoreEntry::unlock(), and virginBodyDestination.

Member Function Documentation

virtual void Client::abortAll ( const char * reason )

pure virtual

Implemented in Ftp::Client, and HttpStateData.

Referenced by abortOnData(), handleAdaptationAborted(), handleAdaptationBlocked(), and handledEarlyAdaptationAbort().

bool Client::abortOnBadEntry ( const char * abortReason )

protected

Definition at line 234 of file Client.cc.

References abortOnData(), debugs, entry, HERE(), and StoreEntry::isAccepting().

Referenced by handleAdaptationAborted(), handleAdaptationBlocked(), handleAdaptedBodyProducerAborted(), handleAdaptedBodyProductionEnded(), handleAdaptedHeader(), handleMoreAdaptedBodyAvailable(), noteAdaptationAclCheckDone(), and resumeBodyStorage().

bool Client::abortOnData ( const char * reason )

virtual

abnormal data transfer termination

Return values

true	the transaction will be terminated (abortAll called) false the transaction will survive

Reimplemented in Ftp::Relay.

Definition at line 287 of file Client.cc.

References abortAll().

Referenced by abortOnBadEntry(), handleAdaptationBlocked(), sendBodyIsTooLargeError(), and sentRequestBody().

void Client::adaptOrFinalizeReply ( )

protected

Definition at line 944 of file Client.cc.

References adaptationAccessCheckPending, FwdState::al, debugs, fwd, HERE(), Adaptation::methodRespmod, originalRequest(), Adaptation::pointPreCache, setFinalReply(), Adaptation::AccessCheck::Start(), and virginReply().

Referenced by HttpStateData::processReply().

void Client::adaptVirginReplyBody	(	const char *	buf,
		ssize_t	len
	)

protected

Definition at line 594 of file Client.cc.

References MemBuf::append(), assert, MemBuf::consume(), MemBuf::content(), MemBuf::contentSize(), debugs, HERE(), MemBuf::init(), NULL, BodyPipe::putMoreData(), responseBodyBuffer, startedAdaptation, and virginBodyDestination.

Referenced by addVirginReplyBody().

void Client::addVirginReplyBody	(	const char *	buf,
		ssize_t	len
	)

protected

Definition at line 977 of file Client.cc.

References adaptationAccessCheckPending, adaptVirginReplyBody(), adjustBodyBytesRead(), assert, startedAdaptation, and storeReplyBody().

Referenced by HttpStateData::decodeAndWriteReplyBody(), noteMoreBodySpaceAvailable(), and HttpStateData::writeReplyBody().

void Client::adjustBodyBytesRead ( const int64_t delta )

protected

Definition at line 962 of file Client.cc.

References HierarchyLogEntry::bodyBytesRead, HttpRequest::hier, Must, and originalRequest().

Referenced by addVirginReplyBody().

void Adaptation::Initiator::announceInitiatorAbort ( CbcPointer< Initiate > & x )

protectedinherited

Definition at line 38 of file Initiator.cc.

References CallJobHere.

Referenced by cleanAdaptation(), and ClientHttpRequest::~ClientHttpRequest().

bool Client::blockCaching ( )

protected

Definition at line 518 of file Client.cc.

References SquidConfig::accessList, allow_t::allowed(), Config, debugs, entry, ACLChecklist::fastCheck(), StoreEntry::getReply(), HTTPMSGLOCK(), originalRequest(), ACLFilledChecklist::reply, and SquidConfig::storeMiss.

Referenced by setFinalReply().

size_t Client::calcBufferSpaceToReserve	(	const size_t	space,
		const size_t	wantSpace
	)		const

protected

Definition at line 1002 of file Client.cc.

References BodyPipe::buf(), debugs, SBuf::maxSize, min(), NULL, MemBuf::potentialSpaceSize(), responseBodyBuffer, and virginBodyDestination.

Referenced by HttpStateData::maybeMakeSpaceAvailable().

void AsyncJob::callEnd ( )

virtualinherited

called right after the called job method

Reimplemented in Adaptation::Icap::Xaction.

Definition at line 136 of file AsyncJob.cc.

References AsyncCall::debugLevel, debugs, AsyncCall::debugSection, AsyncJob::done(), HERE(), AsyncJob::inCall, NULL, AsyncJob::status(), AsyncJob::swanSong(), and AsyncJob::typeName.

Referenced by Adaptation::Icap::Xaction::callEnd(), and AsyncJob::deleteThis().

void AsyncJob::callException ( const std::exception & e )

virtualinherited

Reimplemented in ClientHttpRequest, Adaptation::Icap::ModXact, Adaptation::Icap::Xaction, Adaptation::Icap::ServiceRep, Ftp::Server, Ipc::Forwarder, and Ipc::Inquirer.

Definition at line 127 of file AsyncJob.cc.

References cbdataReferenceValid(), debugs, Must, AsyncJob::mustStop(), and CbdataParent::toCbdata().

Referenced by Ipc::Inquirer::callException(), Ipc::Forwarder::callException(), Ftp::Server::callException(), and Adaptation::Icap::Xaction::callException().

void AsyncJob::callStart ( AsyncCall & call )

inherited

called just before the called method

Definition at line 114 of file AsyncJob.cc.

References cbdataReferenceValid(), AsyncCall::debugLevel, debugs, AsyncCall::debugSection, AsyncJob::inCall, Must, AsyncJob::status(), CbdataParent::toCbdata(), and AsyncJob::typeName.

bool AsyncJob::canBeCalled ( AsyncCall & call ) const

inherited

Definition at line 101 of file AsyncJob.cc.

References AsyncCall::cancel(), debugs, HERE(), AsyncJob::inCall, and NULL.

void Client::cleanAdaptation ( )

protected

Definition at line 569 of file Client.cc.

References adaptationAccessCheckPending, adaptedBodySource, adaptedHeadSource, Adaptation::Initiator::announceInitiatorAbort(), assert, debugs, doneWithAdaptation(), HERE(), NULL, BodyConsumer::stopConsumingFrom(), BodyProducer::stopProducingFor(), and virginBodyDestination.

Referenced by handleAdaptationCompleted(), and swanSong().

void Adaptation::Initiator::clearAdaptation ( CbcPointer< Initiate > & x )

protectedinherited

Definition at line 32 of file Initiator.cc.

References CbcPointer< Cbc >::clear().

Referenced by ClientHttpRequest::handleAdaptedHeader(), noteAdaptationAnswer(), and ClientHttpRequest::noteAdaptationAnswer().

virtual void Client::closeServer ( )

protectedpure virtual

Use this to end communication with the server. The call cancels our closure handler and tells FwdState to forget about the connection.

Implemented in Ftp::Client, and HttpStateData.

Referenced by handleAdaptationCompleted(), serverComplete(), and swanSong().

void Client::completeForwarding ( )

protectedvirtual

default calls fwd->complete()

Reimplemented in Ftp::Gateway, and Ftp::Relay.

Definition at line 206 of file Client.cc.

References assert, FwdState::complete(), debugs, doneWithFwd, fwd, HERE(), and NULL.

Referenced by Ftp::Relay::completeForwarding(), Ftp::Gateway::completeForwarding(), handleAdaptationCompleted(), and serverComplete2().

virtual const Comm::ConnectionPointer& Client::dataConnection ( ) const

pure virtual

Returns: primary or "request data connection"

Implemented in Ftp::Client, and HttpStateData.

Referenced by sendMoreRequestBody().

void AsyncJob::deleteThis ( const char * aReason )

protectedinherited

Definition at line 49 of file AsyncJob.cc.

References asyncCall(), AsyncJob::callEnd(), debugs, AsyncJob::inCall, JobMemFun(), Must, NULL, AsyncJob::stopReason, and AsyncJob::typeName.

Referenced by ConnStateData::connStateClosed().

bool AsyncJob::done ( ) const

protectedinherited

Definition at line 90 of file AsyncJob.cc.

References AsyncJob::doneAll(), NULL, and AsyncJob::stopReason.

Referenced by AsyncJob::callEnd(), and Downloader::downloadFinished().

bool Client::doneAll ( ) const

virtual

Reimplemented from AsyncJob.

Definition at line 193 of file Client.cc.

References AsyncJob::doneAll(), doneWithAdaptation(), and doneWithServer().

void Client::doneSendingRequestBody ( )

protectedpure virtual

Implemented in Ftp::Client, and HttpStateData.

Definition at line 316 of file Client.cc.

References assert, debugs, HERE(), NULL, requestBodySource, and BodyConsumer::stopConsumingFrom().

Referenced by HttpStateData::doneSendingRequestBody(), Ftp::Client::doneSendingRequestBody(), handleRequestBodyProductionEnded(), and sentRequestBody().

bool Client::doneWithAdaptation ( ) const

protectedvirtual

did we end ICAP communication?

Definition at line 586 of file Client.cc.

References adaptationAccessCheckPending, adaptedBodySource, adaptedHeadSource, and virginBodyDestination.

Referenced by cleanAdaptation(), doneAll(), handleAdaptedHeader(), noteBodyConsumerAborted(), and serverComplete2().

virtual bool Client::doneWithServer ( ) const

protectedpure virtual

did we end communication?

Implemented in Ftp::Client, and HttpStateData.

Referenced by doneAll(), serverComplete(), and swanSong().

void Client::endAdaptedBodyConsumption ( )

protected

Definition at line 791 of file Client.cc.

References adaptedBodySource, handleAdaptationCompleted(), and BodyConsumer::stopConsumingFrom().

Referenced by handleAdaptedBodyProductionEnded(), and resumeBodyStorage().

HttpReply * Client::finalReply ( )

protected

Definition at line 128 of file Client.cc.

References assert, and theFinalReply.

Referenced by HttpStateData::haveParsedReplyHeaders(), and HttpStateData::reusableReply().

bool Client::getMoreRequestBody ( MemBuf & buf )

virtual

Reimplemented in HttpStateData.

Definition at line 414 of file Client.cc.

References BodyPipe::getMoreData(), Must, NULL, and requestBodySource.

Referenced by HttpStateData::getMoreRequestBody(), and sendMoreRequestBody().

void Client::handleAdaptationAborted ( bool bypassable = false )

protected

Definition at line 839 of file Client.cc.

References abortAll(), abortOnBadEntry(), debugs, entry, handledEarlyAdaptationAbort(), HERE(), and StoreEntry::isEmpty().

Referenced by noteAdaptationAnswer().

void Client::handleAdaptationBlocked ( const Adaptation::Answer & answer )

protected

Definition at line 875 of file Client.cc.

References abortAll(), abortOnBadEntry(), abortOnData(), aclGetDenyInfoPage(), Config, debugs, SquidConfig::denyInfoList, HttpRequest::detailError(), ErrorState::detailError(), FwdState::dontRetry(), entry, ERR_ACCESS_DENIED, ERR_DETAIL_RESPMOD_BLOCK_EARLY, ERR_DETAIL_RESPMOD_BLOCK_LATE, ERR_ICAP_FAILURE, ERR_NONE, FwdState::fail(), fwd, RefCount< C >::getRaw(), HERE(), StoreEntry::isEmpty(), request, Adaptation::Answer::ruleId, Http::scForbidden, and String::termedBuf().

Referenced by noteAdaptationAnswer().

void Client::handleAdaptationCompleted ( )

protected

Definition at line 820 of file Client.cc.

References cleanAdaptation(), closeServer(), completeForwarding(), debugs, HERE(), and mayReadVirginReplyBody().

Referenced by endAdaptedBodyConsumption(), handleAdaptedBodyProducerAborted(), handleAdaptedHeader(), and noteBodyConsumerAborted().

void Client::handleAdaptedBodyProducerAborted ( )

protected

Definition at line 798 of file Client.cc.

References abortOnBadEntry(), adaptedBodySource, debugs, entry, BodyPipe::exhausted(), handleAdaptationCompleted(), handledEarlyAdaptationAbort(), StoreEntry::lengthWentBad(), Must, and BodyConsumer::stopConsumingFrom().

Referenced by noteBodyProducerAborted().

void Client::handleAdaptedBodyProductionEnded ( )

protected

Definition at line 779 of file Client.cc.

References abortOnBadEntry(), adaptedBodySource, endAdaptedBodyConsumption(), BodyPipe::exhausted(), and NULL.

Referenced by noteBodyProductionEnded().

void Client::handleAdaptedHeader ( Http::Message * msg )

protected

Definition at line 682 of file Client.cc.

References abortOnBadEntry(), adaptedBodySource, assert, Http::Message::body_pipe, debugs, doneWithAdaptation(), BodyPipe::expectNoConsumption(), handleAdaptationCompleted(), HERE(), NULL, BodyPipe::setConsumerIfNotLate(), and setFinalReply().

Referenced by noteAdaptationAnswer().

bool Client::handledEarlyAdaptationAbort ( )

protected

If the store entry is still empty, fully handles adaptation abort, returning true. Otherwise just updates the request error detail and returns false.

Definition at line 855 of file Client.cc.

References abortAll(), debugs, HttpRequest::detailError(), ErrorState::detailError(), FwdState::dontRetry(), entry, ERR_DETAIL_ICAP_RESPMOD_EARLY, ERR_DETAIL_ICAP_RESPMOD_LATE, ERR_ICAP_FAILURE, FwdState::fail(), fwd, RefCount< C >::getRaw(), StoreEntry::isEmpty(), request, and Http::scInternalServerError.

Referenced by handleAdaptationAborted(), and handleAdaptedBodyProducerAborted().

void Client::handleMoreAdaptedBodyAvailable ( )

protected

Definition at line 732 of file Client.cc.

References abortOnBadEntry(), adaptedBodySource, assert, asyncCall(), BodyPipe::buf(), StoreEntry::bytesWanted(), BodyPipe::consumedSize(), MemBuf::contentSize(), currentOffset, debugs, StoreEntry::deferProducer(), entry, HERE(), StoreIOBuffer::length, resumeBodyStorage(), and StoreEntry::write().

Referenced by noteMoreBodyDataAvailable(), and resumeBodyStorage().

void Client::handleMoreRequestBodyAvailable ( )

protected

Definition at line 295 of file Client.cc.

References debugs, HERE(), requestSender, and sendMoreRequestBody().

Referenced by noteMoreBodyDataAvailable().

void Client::handleRequestBodyProducerAborted ( )

protectedpure virtual

Implemented in Ftp::Gateway, HttpStateData, and Ftp::Relay.

Definition at line 327 of file Client.cc.

References debugs, FwdState::dontRetry(), fwd, HERE(), NULL, requestBodySource, requestSender, and BodyConsumer::stopConsumingFrom().

Referenced by Ftp::Relay::handleRequestBodyProducerAborted(), HttpStateData::handleRequestBodyProducerAborted(), Ftp::Gateway::handleRequestBodyProducerAborted(), and noteBodyProducerAborted().

void Client::handleRequestBodyProductionEnded ( )

protected

Definition at line 305 of file Client.cc.

References debugs, doneSendingRequestBody(), HERE(), receivedWholeRequestBody, and requestSender.

Referenced by noteBodyProductionEnded().

void Client::haveParsedReplyHeaders ( )

protectedvirtual

called when got final headers

Reimplemented in Ftp::Gateway, and HttpStateData.

Definition at line 506 of file Client.cc.

References HttpReply::contentRange(), currentOffset, maybePurgeOthers(), Must, HttpHdrRangeSpec::offset, HttpHdrContRange::spec, and theFinalReply.

Referenced by HttpStateData::haveParsedReplyHeaders(), Ftp::Gateway::haveParsedReplyHeaders(), and setFinalReply().

CbcPointer< Adaptation::Initiate > Adaptation::Initiator::initiateAdaptation ( Initiate * x )

protectedinherited

Definition at line 23 of file Initiator.cc.

References i, Adaptation::Initiate::initiator(), and Ident::Start().

Referenced by startAdaptation(), and ClientHttpRequest::startAdaptation().

bool Adaptation::Initiator::initiated ( const CbcPointer< AsyncJob > & job ) const

inlineprotectedinherited

Definition at line 52 of file Initiator.h.

References CbcPointer< Cbc >::set().

Referenced by startAdaptation(), and ClientHttpRequest::startAdaptation().

void Client::maybePurgeOthers ( )

private

Definition at line 485 of file Client.cc.

References SBuf::c_str(), Http::CONTENT_LOCATION, debugs, HttpRequest::effectiveRequestUri(), RefCount< C >::getRaw(), Http::LOCATION, HttpRequest::method, purgeEntriesByHeader(), purgeEntriesByUrl(), HttpRequestMethod::purgesOthers(), request, HttpReply::sline, Http::StatusLine::status(), and theFinalReply.

Referenced by haveParsedReplyHeaders().

virtual void Client::maybeReadVirginBody ( )

pure virtual

Implemented in Ftp::Client, and HttpStateData.

Referenced by noteMoreBodySpaceAvailable().

virtual bool Client::mayReadVirginReplyBody ( ) const

protectedpure virtual

Implemented in Ftp::Gateway, HttpStateData, and Ftp::Relay.

Referenced by handleAdaptationCompleted().

void AsyncJob::mustStop ( const char * aReason )

protectedinherited

Definition at line 69 of file AsyncJob.cc.

References debugs, AsyncJob::inCall, Must, NULL, AsyncJob::stopReason, and AsyncJob::typeName.

Referenced by HttpStateData::abortAll(), AsyncJob::callException(), HttpStateData::continueAfterParsingHeader(), HttpStateData::handleMoreRequestBodyAvailable(), HttpStateData::httpStateConnClosed(), HttpStateData::httpTimeout(), Comm::ConnOpener::noteAbort(), ConnStateData::proxyProtocolError(), HttpStateData::readReply(), HttpStateData::start(), and HttpStateData::wroteLast().

void Client::noteAdaptationAclCheckDone ( Adaptation::ServiceGroupPointer group )

virtual

AccessCheck calls this back with a possibly nil service group to signal whether adaptation is needed and where it should start.

Reimplemented from Adaptation::Initiator.

Definition at line 905 of file Client.cc.

References abortOnBadEntry(), adaptationAccessCheckPending, debugs, HERE(), originalRequest(), processReplyBody(), request, sendBodyIsTooLargeError(), setFinalReply(), startAdaptation(), and virginReply().

void Client::noteAdaptationAnswer ( const Adaptation::Answer & answer )

virtual

called with the initial adaptation decision (adapt, block, error); virgin and/or adapted body transmission may continue after this

Implements Adaptation::Initiator.

Definition at line 662 of file Client.cc.

References adaptedHeadSource, Adaptation::Answer::akBlock, Adaptation::Answer::akError, Adaptation::Answer::akForward, Adaptation::Initiator::clearAdaptation(), Adaptation::Answer::final, RefCount< C >::getRaw(), handleAdaptationAborted(), handleAdaptationBlocked(), handleAdaptedHeader(), Adaptation::Answer::kind, and Adaptation::Answer::message.

void Client::noteBodyConsumerAborted ( BodyPipe::Pointer )

virtual

Implements BodyProducer.

Definition at line 650 of file Client.cc.

References doneWithAdaptation(), handleAdaptationCompleted(), BodyProducer::stopProducingFor(), and virginBodyDestination.

void Client::noteBodyProducerAborted ( BodyPipe::Pointer bp )

virtual

Implements BodyConsumer.

Definition at line 274 of file Client.cc.

References adaptedBodySource, handleAdaptedBodyProducerAborted(), handleRequestBodyProducerAborted(), and requestBodySource.

void Client::noteBodyProductionEnded ( BodyPipe::Pointer bp )

virtual

Implements BodyConsumer.

Definition at line 260 of file Client.cc.

References adaptedBodySource, handleAdaptedBodyProductionEnded(), handleRequestBodyProductionEnded(), and requestBodySource.

void Client::noteMoreBodyDataAvailable ( BodyPipe::Pointer bp )

virtual

Implements BodyConsumer.

Definition at line 246 of file Client.cc.

References adaptedBodySource, handleMoreAdaptedBodyAvailable(), handleMoreRequestBodyAvailable(), and requestBodySource.

void Client::noteMoreBodySpaceAvailable ( BodyPipe::Pointer )

virtual

Implements BodyProducer.

Definition at line 636 of file Client.cc.

References addVirginReplyBody(), completed, maybeReadVirginBody(), NULL, responseBodyBuffer, and serverComplete2().

HttpRequestPointer Client::originalRequest ( )

virtual

Definition at line 535 of file Client.cc.

References request.

Referenced by adaptOrFinalizeReply(), adjustBodyBytesRead(), blockCaching(), HttpStateData::finishingBrokenPost(), HttpStateData::handle1xx(), noteAdaptationAclCheckDone(), serverComplete(), and startRequestBodyFlow().

virtual void Client::processReplyBody ( )

pure virtual

Implemented in Ftp::Gateway, HttpStateData, and Ftp::Relay.

Referenced by noteAdaptationAclCheckDone().

size_t Client::replyBodySpace	(	const MemBuf &	readBuf,
		const size_t	minSpace
	)		const

protected

Deprecated:: use SBuf I/O API and calcBufferSpaceToReserve() instead

Definition at line 1037 of file Client.cc.

References BodyPipe::buf(), debugs, min(), NULL, MemBuf::potentialSpaceSize(), responseBodyBuffer, MemBuf::spaceSize(), and virginBodyDestination.

void Client::resumeBodyStorage ( )

protected

Definition at line 716 of file Client.cc.

References abortOnBadEntry(), adaptedBodySource, endAdaptedBodyConsumption(), BodyPipe::exhausted(), handleMoreAdaptedBodyAvailable(), and NULL.

Referenced by handleMoreAdaptedBodyAvailable().

void Client::sendBodyIsTooLargeError ( )

private

Definition at line 933 of file Client.cc.

References abortOnData(), FwdState::dontRetry(), ERR_TOO_BIG, FwdState::fail(), fwd, RefCount< C >::getRaw(), request, and Http::scForbidden.

Referenced by noteAdaptationAclCheckDone().

void Client::sendMoreRequestBody ( )

protected

Definition at line 388 of file Client.cc.

References assert, buf, conn, MemBuf::contentSize(), dataConnection(), debugs, getMoreRequestBody(), HERE(), Comm::IsConnOpen(), JobCallback, NULL, requestBodySource, requestSender, sentRequestBody(), and Comm::Write().

Referenced by handleMoreRequestBodyAvailable(), and sentRequestBody().

void Client::sentRequestBody ( const CommIoCbParams & io )

protectedpure virtual

Implemented in Ftp::Client, and HttpStateData.

Definition at line 340 of file Client.cc.

References abortOnData(), StatCounters::all, DBG_IMPORTANT, debugs, doneSendingRequestBody(), EBIT_TEST, entry, ENTRY_ABORTED, Comm::ERR_CLOSING, ERR_WRITE_ERROR, BodyPipe::exhausted(), FwdState::fail(), CommCommonCbParams::fd, fd_bytes(), FD_WRITE, CommCommonCbParams::flag, StoreEntry::flags, fwd, HERE(), HttpRequest::hier, HierarchyLogEntry::notePeerWrite(), NULL, receivedWholeRequestBody, FwdState::request, request, requestBodySource, requestSender, Http::scBadGateway, sendMoreRequestBody(), StatCounters::server, CommIoCbParams::size, statCounter, CommCommonCbParams::xerrno, ErrorState::xerrno, and xstrerr().

Referenced by sendMoreRequestBody(), HttpStateData::sentRequestBody(), and Ftp::Client::sentRequestBody().

void Client::serverComplete ( )

call when no server communication is expected

Definition at line 156 of file Client.cc.

References assert, closeServer(), completed, debugs, doneWithServer(), HERE(), HttpRequest::hier, NULL, originalRequest(), requestBodySource, responseBodyBuffer, serverComplete2(), BodyConsumer::stopConsumingFrom(), and HierarchyLogEntry::stopPeerClock().

Referenced by ftpReadQuit(), HttpStateData::processReplyBody(), and Ftp::Relay::serverComplete().

void Client::serverComplete2 ( )

private

Continuation of serverComplete

Definition at line 178 of file Client.cc.

References completeForwarding(), debugs, doneWithAdaptation(), HERE(), NULL, BodyProducer::stopProducingFor(), and virginBodyDestination.

Referenced by noteMoreBodySpaceAvailable(), and serverComplete().

HttpReply * Client::setFinalReply ( HttpReply * r )

protected

Definition at line 135 of file Client.cc.

References assert, blockCaching(), debugs, EBIT_TEST, entry, StoreEntry::flags, haveParsedReplyHeaders(), HERE(), HTTPMSGLOCK(), StoreEntry::release(), RELEASE_REQUEST, StoreEntry::replaceHttpReply(), StoreEntry::startWriting(), and theFinalReply.

Referenced by adaptOrFinalizeReply(), handleAdaptedHeader(), and noteAdaptationAclCheckDone().

HttpReply * Client::setVirginReply ( HttpReply * r )

protected

Definition at line 117 of file Client.cc.

References assert, debugs, HERE(), HTTPMSGLOCK(), and theVirginReply.

Referenced by HttpStateData::processReplyHeader().

AsyncJob::Pointer AsyncJob::Start ( AsyncJob * job )

staticinherited

Definition at line 23 of file AsyncJob.cc.

References CallJobHere, and AsyncJob::start().

Referenced by Ftp::Server::AcceptCtrlConnection(), Ftp::Server::checkDataConnPre(), clientListenerConnectionOpened(), Ftp::Client::connectDataChannel(), FwdState::connectDone(), FwdState::connectStart(), TunnelStateData::connectToPeer(), Adaptation::Icap::Xaction::dnsLookupDone(), Log::TcpLogger::doConnect(), Ipc::Coordinator::handleCacheMgrRequest(), PeerPoolMgr::handleOpenedConnection(), Ipc::Coordinator::handleSnmpRequest(), httpAccept(), httpsAccept(), httpStart(), idnsInitVC(), Ftp::Gateway::listenForDataChannel(), Ftp::Server::listenForDataConnection(), Adaptation::Icap::Xaction::noteCommConnected(), Log::TcpLogger::Open(), PeerPoolMgr::openNewConnection(), peerProbeConnect(), Rock::SwapDir::rebuild(), Mgr::FunAction::respond(), Mgr::InfoAction::respond(), Ipc::SendMessage(), Mgr::Inquirer::sendResponse(), snmpConstructReponse(), SquidMain(), Ident::Start(), Adaptation::AccessCheck::Start(), CacheManager::Start(), Security::PeerConnector::startCertDownloading(), TunnelStateData::startConnecting(), Ftp::StartGateway(), Ftp::StartRelay(), PeerPoolMgrsRr::syncConfig(), and Rock::SwapDir::updateHeaders().

void AsyncJob::start ( )

protectedvirtualinherited

Reimplemented in ConnStateData, Adaptation::Icap::ModXact, Ftp::Client, Ftp::Gateway, Ftp::Server, HttpStateData, Security::PeerConnector, Adaptation::Ecap::XactionRep, Ipc::UdsSender, Adaptation::AccessCheck, Adaptation::Icap::Launcher, Downloader, Adaptation::Icap::Xaction, Ftp::Relay, Log::TcpLogger, Adaptation::Iterator, Comm::TcpAcceptor, Ipc::Coordinator, Ipc::Forwarder, Comm::ConnOpener, Ipc::Inquirer, Http::One::Server, Rock::HeaderUpdater, Mgr::StoreToCommWriter, Rock::Rebuild, Mgr::Inquirer, PeerPoolMgr, Server, Snmp::Inquirer, Ipc::Strand, Adaptation::Icap::OptXact, Ipc::Port, Mgr::ActionWriter, and Mgr::Filler.

Definition at line 43 of file AsyncJob.cc.

Referenced by Ipc::Port::start(), PeerPoolMgr::start(), AsyncJob::Start(), Adaptation::Iterator::start(), Adaptation::Icap::Xaction::start(), Adaptation::Icap::Launcher::start(), Adaptation::AccessCheck::start(), Ipc::UdsSender::start(), Security::PeerConnector::start(), and ConnStateData::start().

void Client::startAdaptation	(	const Adaptation::ServiceGroupPointer &	group,
		HttpRequest *	cause
	)

protected

Definition at line 543 of file Client.cc.

References adaptedHeadSource, FwdState::al, assert, Http::Message::body_pipe, debugs, HttpReply::expectingBody(), fwd, HERE(), Adaptation::Initiator::initiateAdaptation(), Adaptation::Initiator::initiated(), HttpRequest::method, Must, BodyPipe::setBodySize(), size, startedAdaptation, virginBodyDestination, and virginReply().

Referenced by noteAdaptationAclCheckDone().

bool Client::startRequestBodyFlow ( )

protected

Definition at line 215 of file Client.cc.

References assert, Http::Message::body_pipe, debugs, HERE(), NULL, originalRequest(), requestBodySource, BodyPipe::setConsumerIfNotLate(), and BodyPipe::status().

Referenced by HttpStateData::sendRequest().

const char * AsyncJob::status ( ) const

protectedvirtualinherited

for debugging, starts with space

Reimplemented in Adaptation::Icap::ServiceRep, Adaptation::Icap::Xaction, Security::PeerConnector, Adaptation::Ecap::XactionRep, Adaptation::Initiate, Comm::TcpAcceptor, and Ipc::Inquirer.

Definition at line 159 of file AsyncJob.cc.

References MemBuf::append(), Packable::appendf(), buf, MemBuf::content(), NULL, MemBuf::reset(), AsyncJob::stopReason, and MemBuf::terminate().

Referenced by AsyncJob::callEnd(), AsyncJob::callStart(), Comm::TcpAcceptor::status(), and Adaptation::Initiate::status().

void BodyConsumer::stopConsumingFrom ( RefCount< BodyPipe > & p )

protectedinherited

Definition at line 118 of file BodyPipe.cc.

References assert, BodyPipe::clearConsumer(), debugs, and NULL.

Referenced by cleanAdaptation(), doneSendingRequestBody(), endAdaptedBodyConsumption(), ClientHttpRequest::endRequestSatisfaction(), handleAdaptedBodyProducerAborted(), handleRequestBodyProducerAborted(), BodySink::noteBodyProducerAborted(), ClientHttpRequest::noteBodyProducerAborted(), BodySink::noteBodyProductionEnded(), serverComplete(), swanSong(), and ClientHttpRequest::~ClientHttpRequest().

void BodyProducer::stopProducingFor	(	RefCount< BodyPipe > &	p,
		bool	atEof
	)

protectedinherited

Definition at line 107 of file BodyPipe.cc.

References assert, BodyPipe::clearProducer(), debugs, and NULL.

Referenced by cleanAdaptation(), ConnStateData::finishDechunkingRequest(), noteBodyConsumerAborted(), serverComplete2(), and ConnStateData::~ConnStateData().

void Client::storeReplyBody	(	const char *	buf,
		ssize_t	len
	)

protected

Definition at line 993 of file Client.cc.

References currentOffset, entry, len, and StoreEntry::write().

Referenced by addVirginReplyBody().

void Client::swanSong ( )

virtual

Reimplemented from AsyncJob.

Reimplemented in Ftp::Relay.

Definition at line 69 of file Client.cc.

References adaptedBodySource, assert, cleanAdaptation(), closeServer(), doneWithFwd, doneWithServer(), fwd, FwdState::handleUnregisteredServerEnd(), NULL, requestBodySource, BodyConsumer::stopConsumingFrom(), AsyncJob::swanSong(), and virginBodyDestination.

Referenced by Ftp::Relay::swanSong().

virtual void* CbdataParent::toCbdata ( )

pure virtualinherited

Implemented in ClientHttpRequest, HttpStateData, and BodySink.

Referenced by AsyncJob::callException(), and AsyncJob::callStart().

const HttpReply * Client::virginReply ( ) const

protected

Definition at line 110 of file Client.cc.

References assert, and theVirginReply.

Referenced by adaptOrFinalizeReply(), HttpStateData::continueAfterParsingHeader(), HttpStateData::handleMoreRequestBodyAvailable(), noteAdaptationAclCheckDone(), HttpStateData::persistentConnStatus(), startAdaptation(), HttpStateData::statusIfComplete(), and HttpStateData::truncateVirginBody().

HttpReply * Client::virginReply ( )

protected

Definition at line 103 of file Client.cc.

References assert, and theVirginReply.

Member Data Documentation

bool Client::adaptationAccessCheckPending = false

protected

Definition at line 177 of file Client.h.

Referenced by adaptOrFinalizeReply(), addVirginReplyBody(), cleanAdaptation(), doneWithAdaptation(), noteAdaptationAclCheckDone(), and HttpStateData::processReplyBody().

BodyPipe::Pointer Client::adaptedBodySource

protected

to consume adated response body

Definition at line 175 of file Client.h.

Referenced by cleanAdaptation(), doneWithAdaptation(), endAdaptedBodyConsumption(), handleAdaptedBodyProducerAborted(), handleAdaptedBodyProductionEnded(), handleAdaptedHeader(), handleMoreAdaptedBodyAvailable(), noteBodyProducerAborted(), noteBodyProductionEnded(), noteMoreBodyDataAvailable(), resumeBodyStorage(), swanSong(), and ~Client().

CbcPointer<Adaptation::Initiate> Client::adaptedHeadSource

protected

to get adapted response headers

Definition at line 174 of file Client.h.

Referenced by cleanAdaptation(), doneWithAdaptation(), noteAdaptationAnswer(), and startAdaptation().

bool Client::completed = false

private

serverComplete() has been called

Definition at line 86 of file Client.h.

Referenced by noteMoreBodySpaceAvailable(), and serverComplete().

int64_t Client::currentOffset = 0

protected

Our current offset in the StoreEntry

Definition at line 160 of file Client.h.

Referenced by Ftp::Gateway::getCurrentOffset(), handleMoreAdaptedBodyAvailable(), haveParsedReplyHeaders(), Ftp::Gateway::setCurrentOffset(), and storeReplyBody().

const char* Client::doneWithFwd = nullptr

protected

whether we should not be talking to FwdState; XXX: clear fwd instead points to a string literal which is used only for debugging

Definition at line 184 of file Client.h.

Referenced by completeForwarding(), HttpStateData::httpStateConnClosed(), and swanSong().

StoreEntry* Client::entry = nullptr

Definition at line 164 of file Client.h.

Referenced by abortOnBadEntry(), blockCaching(), HttpStateData::buildRequestPrefix(), Client(), HttpStateData::continueAfterParsingHeader(), ftpFail(), ftpSendReply(), ftpWriteTransferDone(), Ftp::Gateway::Gateway(), handleAdaptationAborted(), handleAdaptationBlocked(), handleAdaptedBodyProducerAborted(), handledEarlyAdaptationAbort(), handleMoreAdaptedBodyAvailable(), HttpStateData::handleMoreRequestBodyAvailable(), HttpStateData::handleRequestBodyProducerAborted(), HttpStateData::haveParsedReplyHeaders(), HttpStateData::HttpStateData(), HttpStateData::httpTimeout(), HttpStateData::keepaliveAccounting(), HttpStateData::peerSupportsConnectionPinning(), HttpStateData::processReplyBody(), HttpStateData::processReplyHeader(), HttpStateData::processSurrogateControl(), HttpStateData::readReply(), Ftp::Relay::Relay(), HttpStateData::reusableReply(), sentRequestBody(), setFinalReply(), HttpStateData::statusIfComplete(), storeReplyBody(), HttpStateData::wroteLast(), and ~Client().

const InstanceId<AsyncJob> AsyncJob::id

protectedinherited

Definition at line 72 of file AsyncJob.h.

AsyncCall::Pointer AsyncJob::inCall

protectedinherited

Definition at line 71 of file AsyncJob.h.

Referenced by AsyncJob::callEnd(), AsyncJob::callStart(), AsyncJob::canBeCalled(), AsyncJob::deleteThis(), and AsyncJob::mustStop().

bool Client::receivedWholeRequestBody = false

protected

Definition at line 180 of file Client.h.

Referenced by HttpStateData::finishingChunkedRequest(), HttpStateData::getMoreRequestBody(), handleRequestBodyProductionEnded(), and sentRequestBody().

HttpRequestPointer Client::request

Definition at line 166 of file Client.h.

Referenced by HttpStateData::buildRequestPrefix(), HttpStateData::checkDateSkew(), HttpStateData::continueAfterParsingHeader(), ftpFail(), ftpReadType(), ftpSendPassive(), ftpSendReply(), ftpSendStor(), ftpSendType(), ftpSendUser(), ftpTrySlashHack(), Ftp::Gateway::Gateway(), HttpStateData::handle1xx(), handleAdaptationBlocked(), handledEarlyAdaptationAbort(), HttpStateData::handleMoreRequestBodyAvailable(), HttpStateData::haveParsedReplyHeaders(), HttpStateData::HttpStateData(), HttpStateData::keepaliveAccounting(), maybePurgeOthers(), noteAdaptationAclCheckDone(), originalRequest(), HttpStateData::peerSupportsConnectionPinning(), HttpStateData::persistentConnStatus(), HttpStateData::processReplyBody(), HttpStateData::processReplyHeader(), HttpStateData::processSurrogateControl(), HttpStateData::readReply(), HttpStateData::reusableReply(), sendBodyIsTooLargeError(), HttpStateData::sendRequest(), sentRequestBody(), HttpStateData::statusIfComplete(), HttpStateData::truncateVirginBody(), and HttpStateData::wroteLast().

BodyPipe::Pointer Client::requestBodySource

protected

to consume request body

Definition at line 169 of file Client.h.

Referenced by doneSendingRequestBody(), getMoreRequestBody(), HttpStateData::getMoreRequestBody(), HttpStateData::handleMoreRequestBodyAvailable(), handleRequestBodyProducerAborted(), noteBodyProducerAborted(), noteBodyProductionEnded(), noteMoreBodyDataAvailable(), sendMoreRequestBody(), HttpStateData::sendRequest(), sentRequestBody(), serverComplete(), startRequestBodyFlow(), swanSong(), and ~Client().

AsyncCall::Pointer Client::requestSender

protected

set if we are expecting Comm::Write to call us back

Definition at line 170 of file Client.h.

Referenced by HttpStateData::finishingBrokenPost(), HttpStateData::finishingChunkedRequest(), handleMoreRequestBodyAvailable(), handleRequestBodyProducerAborted(), handleRequestBodyProductionEnded(), sendMoreRequestBody(), HttpStateData::sendRequest(), and sentRequestBody().

MemBuf* Client::responseBodyBuffer = nullptr

protected

Data temporarily buffered for ICAP

Definition at line 161 of file Client.h.

Referenced by adaptVirginReplyBody(), calcBufferSpaceToReserve(), noteMoreBodySpaceAvailable(), replyBodySpace(), serverComplete(), and ~Client().

bool Client::startedAdaptation = false

protected

Definition at line 178 of file Client.h.

Referenced by adaptVirginReplyBody(), addVirginReplyBody(), and startAdaptation().

const char* AsyncJob::stopReason

protectedinherited

Definition at line 69 of file AsyncJob.h.

Referenced by AsyncJob::deleteThis(), AsyncJob::done(), AsyncJob::mustStop(), and AsyncJob::status().

HttpReply* Client::theFinalReply = nullptr

private

adapted reply from ICAP or virgin reply

Definition at line 191 of file Client.h.

Referenced by finalReply(), haveParsedReplyHeaders(), maybePurgeOthers(), setFinalReply(), and ~Client().

HttpReply* Client::theVirginReply = nullptr

private

reply received from the origin server

Definition at line 190 of file Client.h.

Referenced by setVirginReply(), virginReply(), and ~Client().

const char* AsyncJob::typeName

protectedinherited

Definition at line 70 of file AsyncJob.h.

Referenced by AsyncJob::AsyncJob(), AsyncJob::callEnd(), AsyncJob::callStart(), AsyncJob::deleteThis(), AsyncJob::mustStop(), Adaptation::Icap::Xaction::Xaction(), and AsyncJob::~AsyncJob().

BodyPipe::Pointer Client::virginBodyDestination

protected

to provide virgin response body

Definition at line 173 of file Client.h.

Referenced by adaptVirginReplyBody(), calcBufferSpaceToReserve(), cleanAdaptation(), doneWithAdaptation(), noteBodyConsumerAborted(), replyBodySpace(), serverComplete2(), startAdaptation(), swanSong(), and ~Client().

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

src/clients/Client.h
src/clients/Client.cc

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