#include <Inquirer.h>

Inheritance diagram for Mgr::Inquirer:
Collaboration diagram for Mgr::Inquirer:

Public Types

typedef CbcPointer< AsyncJobPointer

Public Member Functions

 Inquirer (Action::Pointer anAction, const Request &aCause, const Ipc::StrandCoords &coords)
virtual void callException (const std::exception &e)
 called when the job throws during an async call More...
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...
void handleStopRequest ()
 process external request to terminate now (i.e. during this async call) More...
virtual void * toCbdata ()=0

Static Public Member Functions

static void HandleRemoteAck (const Response &response)
 finds and calls the right Inquirer upon strand's response More...
static void Start (const Pointer &job)

Public Attributes

CodeContextPointer codeContext
const InstanceId< AsyncJobid
 job identifier More...

Protected Types

typedef std::map< RequestId::Index, AsyncCall::PointerRequestsMap
 maps request->id to Inquirer::handleRemoteAck callback More...

Protected Member Functions

virtual void start ()
 called by AsyncStart; do not call directly More...
virtual bool doneAll () const
 whether positive goal has been reached More...
virtual void cleanup ()
 closes our copy of the client HTTP connection socket More...
virtual void sendResponse ()
 send response to client More...
virtual bool aggregate (Ipc::Response::Pointer aResponse)
 perform aggregating of responses and returns true if need to continue More...
virtual void swanSong ()
virtual const char * status () const
 internal cleanup; do not call directly More...
virtual void inquire ()
 inquire the next strand More...
virtual void handleException (const std::exception &e)
 do specific exception handling More...
void deleteThis (const char *aReason)
void mustStop (const char *aReason)
bool done () const
 the job is destroyed in callEnd() when done() More...

Protected Attributes

Request::Pointer request
 cache manager request received from client More...
Ipc::StrandCoords strands
 all strands we want to query, in order More...
Ipc::StrandCoords::const_iterator pos
 strand we should query now More...
const double timeout
 number of seconds to wait for strand response More...
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...
bool started_ = false
 Start() has finished successfully. More...
bool swanSang_ = false
 swanSong() was called More...

Static Protected Attributes

static RequestsMap TheRequestsMap
 pending strand requests More...
static RequestId::Index LastRequestId = 0
 last requestId used More...

Private Types

typedef UnaryMemFunT< Inquirer, Response::Pointer, Response::PointerHandleAckDialer

Private Member Functions

 CBDATA_CLASS (Inquirer)
void noteWroteHeader (const CommIoCbParams &params)
 called when we wrote the response header More...
void noteCommClosed (const CommCloseCbParams &params)
 called when the HTTP client or some external force closed our socket More...
void removeCloseHandler ()
Ipc::StrandCoords applyQueryParams (const Ipc::StrandCoords &aStrands, const QueryParams &aParams)
void handleRemoteAck (Response::Pointer response)
 called when a strand is done writing its output More...
void requestTimedOut ()
 called when the strand failed to respond (or finish responding) in time More...
void removeTimeoutEvent ()
 called when we are no longer waiting for the strand to respond More...

Static Private Member Functions

static AsyncCall::Pointer DequeueRequest (RequestId::Index)
 returns and forgets the right Inquirer callback for strand request More...
static void RequestTimedOut (void *param)
 Ipc::Inquirer::requestTimedOut wrapper. More...

Private Attributes

Action::Pointer aggrAction
Comm::ConnectionPointer conn
 HTTP client socket descriptor. More...
AsyncCall::Pointer writer
 comm_write callback More...
AsyncCall::Pointer closer
 comm_close handler More...

Detailed Description

Coordinator's job that sends a cache manage request to each strand, aggregating individual strand responses and dumping the result if needed

Definition at line 26 of file Inquirer.h.

Member Typedef Documentation

◆ HandleAckDialer

Definition at line 63 of file Inquirer.h.

◆ Pointer

Definition at line 34 of file AsyncJob.h.

◆ RequestsMap

typedef std::map<RequestId::Index, AsyncCall::Pointer> Ipc::Inquirer::RequestsMap

Definition at line 82 of file Inquirer.h.

Constructor & Destructor Documentation

◆ Inquirer()

Mgr::Inquirer::Inquirer ( Action::Pointer  anAction,
const Request aCause,
const Ipc::StrandCoords coords 

Member Function Documentation

◆ aggregate()

bool Mgr::Inquirer::aggregate ( Ipc::Response::Pointer  aResponse)

Implements Ipc::Inquirer.

Definition at line 122 of file Inquirer.cc.

References Mgr::Response::getAction(), and Mgr::Response::hasAction().

◆ applyQueryParams()

Ipc::StrandCoords Mgr::Inquirer::applyQueryParams ( const Ipc::StrandCoords aStrands,
const QueryParams aParams 

◆ callEnd()

void AsyncJob::callEnd ( )

◆ callException()

void Ipc::Inquirer::callException ( const std::exception &  e)

Reimplemented from AsyncJob.

Definition at line 129 of file Inquirer.cc.

References AsyncJob::callException(), DBG_CRITICAL, debugs, and MYNAME.

◆ callStart()

void AsyncJob::callStart ( AsyncCall call)

◆ canBeCalled()

bool AsyncJob::canBeCalled ( AsyncCall call) const

Definition at line 102 of file AsyncJob.cc.

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


Mgr::Inquirer::CBDATA_CLASS ( Inquirer  )

◆ cleanup()

void Mgr::Inquirer::cleanup ( )

Reimplemented from Ipc::Inquirer.

Definition at line 51 of file Inquirer.cc.

References conn, and Comm::IsConnOpen().

◆ deleteThis()

void AsyncJob::deleteThis ( const char *  aReason)

◆ DequeueRequest()

AsyncCall::Pointer Ipc::Inquirer::DequeueRequest ( RequestId::Index  requestId)

Definition at line 142 of file Inquirer.cc.

References debugs, Must, and request().

◆ done()

bool AsyncJob::done ( ) const

◆ doneAll()

bool Mgr::Inquirer::doneAll ( ) const

Reimplemented from Ipc::Inquirer.

Definition at line 141 of file Inquirer.cc.

References Ipc::Inquirer::doneAll().

◆ handleException()

void Ipc::Inquirer::handleException ( const std::exception &  e)

Reimplemented in Snmp::Inquirer.

Definition at line 122 of file Inquirer.cc.

References debugs.

Referenced by Snmp::Inquirer::handleException().

◆ HandleRemoteAck()

void Ipc::Inquirer::HandleRemoteAck ( const Response response)

◆ handleRemoteAck()

void Ipc::Inquirer::handleRemoteAck ( Response::Pointer  response)

Definition at line 88 of file Inquirer.cc.

References debugs, Must, and request().

Referenced by Ipc::Inquirer::inquire().

◆ handleStopRequest()

void AsyncJob::handleStopRequest ( )

Definition at line 71 of file AsyncJob.h.

References AsyncJob::mustStop().

◆ inquire()

void Ipc::Inquirer::inquire ( )

◆ mustStop()

◆ noteCommClosed()

void Mgr::Inquirer::noteCommClosed ( const CommCloseCbParams params)

Definition at line 110 of file Inquirer.cc.

References conn, debugs, and MYNAME.

Referenced by Inquirer().

◆ noteWroteHeader()

void Mgr::Inquirer::noteWroteHeader ( const CommIoCbParams params)

◆ removeCloseHandler()

void Mgr::Inquirer::removeCloseHandler ( )

Definition at line 60 of file Inquirer.cc.

References comm_remove_close_handler(), and conn.

◆ removeTimeoutEvent()

void Ipc::Inquirer::removeTimeoutEvent ( )

Definition at line 171 of file Inquirer.cc.

References eventDelete(), eventFind(), and Ipc::Inquirer::RequestTimedOut().

◆ requestTimedOut()

void Ipc::Inquirer::requestTimedOut ( )

Definition at line 192 of file Inquirer.cc.

References debugs, Must, MYNAME, and request().

◆ RequestTimedOut()

void Ipc::Inquirer::RequestTimedOut ( void *  param)

◆ sendResponse()

void Mgr::Inquirer::sendResponse ( )

Implements Ipc::Inquirer.

Definition at line 131 of file Inquirer.cc.

References conn, and AsyncJob::Start().

◆ start()

◆ Start()

◆ status()

const char * Ipc::Inquirer::status ( ) const

for debugging, starts with space

Reimplemented from AsyncJob.

Definition at line 205 of file Inquirer.cc.

References Packable::appendf(), MemBuf::content(), request(), MemBuf::reset(), and MemBuf::terminate().

◆ swanSong()

void Ipc::Inquirer::swanSong ( )

Reimplemented from AsyncJob.

Definition at line 103 of file Inquirer.cc.

References debugs, MYNAME, and request().

◆ toCbdata()

virtual void * CbdataParent::toCbdata ( )
pure virtualinherited

Member Data Documentation

◆ aggrAction

Action::Pointer Mgr::Inquirer::aggrAction

Definition at line 51 of file Inquirer.h.

Referenced by Inquirer().

◆ closer

AsyncCall::Pointer Mgr::Inquirer::closer

Definition at line 56 of file Inquirer.h.

Referenced by Inquirer().

◆ codeContext

CodeContextPointer Ipc::Inquirer::codeContext

Definition at line 42 of file Inquirer.h.

Referenced by Ipc::Inquirer::RequestTimedOut().

◆ conn

Comm::ConnectionPointer Mgr::Inquirer::conn

Definition at line 53 of file Inquirer.h.

Referenced by Inquirer().

◆ id

const InstanceId<AsyncJob> AsyncJob::id

Definition at line 73 of file AsyncJob.h.

◆ inCall

AsyncCall::Pointer AsyncJob::inCall

◆ LastRequestId

Ipc::RequestId::Index Ipc::Inquirer::LastRequestId = 0

Definition at line 85 of file Inquirer.h.

◆ pos

Ipc::StrandCoords::const_iterator Ipc::Inquirer::pos

Definition at line 77 of file Inquirer.h.

◆ request

Request::Pointer Ipc::Inquirer::request

Definition at line 74 of file Inquirer.h.

Referenced by Snmp::Inquirer::Inquirer().

◆ started_

bool AsyncJob::started_ = false

Definition at line 83 of file AsyncJob.h.

Referenced by AsyncJob::~AsyncJob(), AsyncJob::callEnd(), and AsyncJob::Start().

◆ stopReason

const char* AsyncJob::stopReason

◆ strands

Ipc::StrandCoords Ipc::Inquirer::strands

Definition at line 76 of file Inquirer.h.

Referenced by Ipc::Inquirer::Inquirer().

◆ swanSang_

bool AsyncJob::swanSang_ = false

Definition at line 84 of file AsyncJob.h.

Referenced by AsyncJob::~AsyncJob(), and AsyncJob::callEnd().

◆ TheRequestsMap

Ipc::Inquirer::RequestsMap Ipc::Inquirer::TheRequestsMap

Definition at line 83 of file Inquirer.h.

◆ timeout

const double Ipc::Inquirer::timeout

Definition at line 79 of file Inquirer.h.

◆ typeName

◆ writer

AsyncCall::Pointer Mgr::Inquirer::writer

Definition at line 55 of file Inquirer.h.

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






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