version 1.20, 2002/06/07 20:52:13
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version 1.103.10.20, 2006/07/19 16:58:52
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//%///////////////////////////////////////////////////////////////////////////// |
//%2006//////////////////////////////////////////////////////////////////////// |
// | // |
// Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Company, IBM, |
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development |
// The Open Group, Tivoli Systems |
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. |
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// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; |
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// IBM Corp.; EMC Corporation, The Open Group. |
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// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; |
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// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. |
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// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; |
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// EMC Corporation; VERITAS Software Corporation; The Open Group. |
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// Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; |
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// EMC Corporation; Symantec Corporation; The Open Group. |
// | // |
// Permission is hereby granted, free of charge, to any person obtaining a copy | // Permission is hereby granted, free of charge, to any person obtaining a copy |
// of this software and associated documentation files (the "Software"), to | // of this software and associated documentation files (the "Software"), to |
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// | // |
// Author: Mike Brasher (mbrasher@bmc.com) | // Author: Mike Brasher (mbrasher@bmc.com) |
// | // |
// Modified By: |
// Modified By: Mike Day (monitor_2) mdday@us.ibm.com |
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// Amit K Arora (Bug#1153) amita@in.ibm.com |
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// Alagaraja Ramasubramanian (alags_raj@in.ibm.com) for Bug#1090 |
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// Sushma Fernandes (sushma@hp.com) for Bug#2057 |
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// Josephine Eskaline Joyce (jojustin@in.ibm.com) for PEP#101 |
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// Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com) |
// | // |
//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
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#include <Pegasus/Common/Config.h> | #include <Pegasus/Common/Config.h> |
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#include <cstring> | #include <cstring> |
#include "Monitor.h" | #include "Monitor.h" |
#include "MessageQueue.h" | #include "MessageQueue.h" |
#include "Socket.h" | #include "Socket.h" |
#include <Pegasus/Common/Tracer.h> | #include <Pegasus/Common/Tracer.h> |
#include <Pegasus/Common/HTTPConnection.h> | #include <Pegasus/Common/HTTPConnection.h> |
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#include <Pegasus/Common/MessageQueueService.h> |
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#include <Pegasus/Common/Exception.h> |
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#include "ArrayIterator.h" |
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//const static DWORD MAX_BUFFER_SIZE = 4096; // 4 kilobytes |
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#ifdef PEGASUS_OS_TYPE_WINDOWS | #ifdef PEGASUS_OS_TYPE_WINDOWS |
# if defined(FD_SETSIZE) && FD_SETSIZE != 1024 | # if defined(FD_SETSIZE) && FD_SETSIZE != 1024 |
# error "FD_SETSIZE was not set to 1024 prior to the last inclusion \ | # error "FD_SETSIZE was not set to 1024 prior to the last inclusion \ |
of <winsock.h>. It may have been indirectly included (e.g., by including \ | of <winsock.h>. It may have been indirectly included (e.g., by including \ |
<windows.h>). Find the inclusion of that header which is visible to this \ |
<windows.h>). Find inclusion of that header which is visible to this \ |
compilation unit and #define FD_SETZIE to 1024 prior to that inclusion; \ | compilation unit and #define FD_SETZIE to 1024 prior to that inclusion; \ |
otherwise, less than 64 clients (the default) will be able to connect to the \ | otherwise, less than 64 clients (the default) will be able to connect to the \ |
CIMOM. PLEASE DO NOT SUPPRESS THIS WARNING; PLEASE FIX THE PROBLEM." | CIMOM. PLEASE DO NOT SUPPRESS THIS WARNING; PLEASE FIX THE PROBLEM." |
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# include <netinet/in.h> | # include <netinet/in.h> |
# include <netdb.h> | # include <netdb.h> |
# include <arpa/inet.h> | # include <arpa/inet.h> |
# include <unistd.h> |
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#endif | #endif |
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PEGASUS_USING_STD; | PEGASUS_USING_STD; |
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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static AtomicInt _connections(0); |
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Mutex Monitor::_cout_mut; |
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static struct timeval create_time = {0, 10}; |
#ifdef PEGASUS_OS_TYPE_WINDOWS |
static struct timeval destroy_time = {5, 0}; |
#define PIPE_INCREMENT 1 |
static struct timeval deadlock_time = {1000, 0}; |
#endif |
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//////////////////////////////////////////////////////////////////////////////// |
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// |
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// MonitorRep |
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// |
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//////////////////////////////////////////////////////////////////////////////// |
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struct MonitorRep |
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{ |
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fd_set rd_fd_set; |
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fd_set wr_fd_set; |
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fd_set ex_fd_set; |
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fd_set active_rd_fd_set; |
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fd_set active_wr_fd_set; |
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fd_set active_ex_fd_set; |
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}; |
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//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
// | // |
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// | // |
//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
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#define MAX_NUMBER_OF_MONITOR_ENTRIES 32 |
Monitor::Monitor() | Monitor::Monitor() |
: _module_handle(0), _controller(0), _async(false) |
: _stopConnections(0), |
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_stopConnectionsSem(0), |
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_solicitSocketCount(0), |
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_tickle_client_socket(-1), |
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_tickle_server_socket(-1), |
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_tickle_peer_socket(-1) |
{ | { |
Socket::initializeInterface(); |
{ |
_rep = new MonitorRep; |
AutoMutex automut(Monitor::_cout_mut); |
FD_ZERO(&_rep->rd_fd_set); |
PEGASUS_STD(cout) << "Entering: Monitor::Monitor(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
FD_ZERO(&_rep->wr_fd_set); |
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FD_ZERO(&_rep->ex_fd_set); |
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FD_ZERO(&_rep->active_rd_fd_set); |
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FD_ZERO(&_rep->active_wr_fd_set); |
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FD_ZERO(&_rep->active_ex_fd_set); |
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} | } |
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int numberOfMonitorEntriesToAllocate = MAX_NUMBER_OF_MONITOR_ENTRIES; |
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Socket::initializeInterface(); |
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_entries.reserveCapacity(numberOfMonitorEntriesToAllocate); |
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Monitor::Monitor(Boolean async) |
// setup the tickler |
: _module_handle(0), _controller(0), _async(async) |
initializeTickler(); |
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// Start the count at 1 because initilizeTickler() |
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// has added an entry in the first position of the |
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// _entries array |
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for( int i = 1; i < numberOfMonitorEntriesToAllocate; i++ ) |
{ | { |
Socket::initializeInterface(); |
_MonitorEntry entry(0, 0, 0); |
_rep = new MonitorRep; |
_entries.append(entry); |
FD_ZERO(&_rep->rd_fd_set); |
} |
FD_ZERO(&_rep->wr_fd_set); |
{ |
FD_ZERO(&_rep->ex_fd_set); |
AutoMutex automut(Monitor::_cout_mut); |
FD_ZERO(&_rep->active_rd_fd_set); |
PEGASUS_STD(cout) << "Exiting: Monitor::Monitor(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
FD_ZERO(&_rep->active_wr_fd_set); |
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FD_ZERO(&_rep->active_ex_fd_set); |
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if( _async == true ) |
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{ |
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_thread_pool = new ThreadPool(0, |
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"Monitor", |
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0, |
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20, |
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create_time, |
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destroy_time, |
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deadlock_time); |
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} | } |
else |
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_thread_pool = 0; |
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} | } |
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Monitor::~Monitor() | Monitor::~Monitor() |
{ | { |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
{ |
"deregistering with module controller"); |
AutoMutex automut(Monitor::_cout_mut); |
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PEGASUS_STD(cout) << "Entering: Monitor::~Monitor(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
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} |
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Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "uninitializing interface"); |
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if(_module_handle != NULL) |
try{ |
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if(_tickle_peer_socket >= 0) |
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{ |
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Socket::close(_tickle_peer_socket); |
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} |
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if(_tickle_client_socket >= 0) |
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{ |
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Socket::close(_tickle_client_socket); |
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} |
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if(_tickle_server_socket >= 0) |
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{ |
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Socket::close(_tickle_server_socket); |
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} |
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} |
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catch(...) |
{ | { |
_controller->deregister_module(PEGASUS_MODULENAME_MONITOR); |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
_controller = 0; |
"Failed to close tickle sockets"); |
delete _module_handle; |
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} | } |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "deleting rep"); |
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delete _rep; |
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Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "uninitializing interface"); |
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Socket::uninitializeInterface(); | Socket::uninitializeInterface(); |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
"returning from monitor destructor"); | "returning from monitor destructor"); |
if(_async == false) |
{ |
delete _thread_pool; |
AutoMutex automut(Monitor::_cout_mut); |
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PEGASUS_STD(cout) << "Exiting: Monitor::~Monitor(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
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} |
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} |
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void Monitor::initializeTickler(){ |
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{ |
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AutoMutex automut(Monitor::_cout_mut); |
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PEGASUS_STD(cout) << "Entering: Monitor::initializeTickler(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
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} |
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/* |
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NOTE: On any errors trying to |
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setup out tickle connection, |
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throw an exception/end the server |
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*/ |
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/* setup the tickle server/listener */ |
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// get a socket for the server side |
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if((_tickle_server_socket = ::socket(PF_INET, SOCK_STREAM, 0)) == PEGASUS_INVALID_SOCKET){ |
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//handle error |
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MessageLoaderParms parms("Common.Monitor.TICKLE_CREATE", |
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"Received error number $0 while creating the internal socket.", |
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#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
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errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); |
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} |
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// initialize the address |
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memset(&_tickle_server_addr, 0, sizeof(_tickle_server_addr)); |
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#ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM |
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#pragma convert(37) |
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#endif |
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_tickle_server_addr.sin_addr.s_addr = inet_addr("127.0.0.1"); |
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#ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM |
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#pragma convert(0) |
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#endif |
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_tickle_server_addr.sin_family = PF_INET; |
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_tickle_server_addr.sin_port = 0; |
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PEGASUS_SOCKLEN_T _addr_size = sizeof(_tickle_server_addr); |
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// bind server side to socket |
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if((::bind(_tickle_server_socket, |
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reinterpret_cast<struct sockaddr*>(&_tickle_server_addr), |
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sizeof(_tickle_server_addr))) < 0){ |
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// handle error |
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#ifdef PEGASUS_OS_ZOS |
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MessageLoaderParms parms("Common.Monitor.TICKLE_BIND_LONG", |
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"Received error:$0 while binding the internal socket.",strerror(errno)); |
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#else |
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MessageLoaderParms parms("Common.Monitor.TICKLE_BIND", |
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"Received error number $0 while binding the internal socket.", |
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#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
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errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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#endif |
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throw Exception(parms); |
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} |
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// tell the kernel we are a server |
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if((::listen(_tickle_server_socket,3)) < 0){ |
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// handle error |
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MessageLoaderParms parms("Common.Monitor.TICKLE_LISTEN", |
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"Received error number $0 while listening to the internal socket.", |
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#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
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errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); |
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} |
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// make sure we have the correct socket for our server |
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int sock = ::getsockname(_tickle_server_socket, |
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reinterpret_cast<struct sockaddr*>(&_tickle_server_addr), |
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&_addr_size); |
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if(sock < 0){ |
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// handle error |
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MessageLoaderParms parms("Common.Monitor.TICKLE_SOCKNAME", |
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"Received error number $0 while getting the internal socket name.", |
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#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
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errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); |
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} |
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/* set up the tickle client/connector */ |
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// get a socket for our tickle client |
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if((_tickle_client_socket = ::socket(PF_INET, SOCK_STREAM, 0)) == PEGASUS_INVALID_SOCKET){ |
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// handle error |
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MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_CREATE", |
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"Received error number $0 while creating the internal client socket.", |
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#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
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errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); |
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} |
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// setup the address of the client |
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memset(&_tickle_client_addr, 0, sizeof(_tickle_client_addr)); |
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#ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM |
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#pragma convert(37) |
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#endif |
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_tickle_client_addr.sin_addr.s_addr = inet_addr("127.0.0.1"); |
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#ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM |
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#pragma convert(0) |
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#endif |
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_tickle_client_addr.sin_family = PF_INET; |
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_tickle_client_addr.sin_port = 0; |
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// bind socket to client side |
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if((::bind(_tickle_client_socket, |
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reinterpret_cast<struct sockaddr*>(&_tickle_client_addr), |
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sizeof(_tickle_client_addr))) < 0){ |
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// handle error |
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MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_BIND", |
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"Received error number $0 while binding the internal client socket.", |
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#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
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errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); |
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} |
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// connect to server side |
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if((::connect(_tickle_client_socket, |
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reinterpret_cast<struct sockaddr*>(&_tickle_server_addr), |
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sizeof(_tickle_server_addr))) < 0){ |
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// handle error |
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MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_CONNECT", |
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"Received error number $0 while connecting the internal client socket.", |
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#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
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errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); |
} | } |
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/* set up the slave connection */ |
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memset(&_tickle_peer_addr, 0, sizeof(_tickle_peer_addr)); |
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PEGASUS_SOCKLEN_T peer_size = sizeof(_tickle_peer_addr); |
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pegasus_sleep(1); |
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int Monitor::kill_idle_threads() |
// this call may fail, we will try a max of 20 times to establish this peer connection |
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if((_tickle_peer_socket = ::accept(_tickle_server_socket, |
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reinterpret_cast<struct sockaddr*>(&_tickle_peer_addr), |
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&peer_size)) < 0){ |
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#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
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// Only retry on non-windows platforms. |
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if(_tickle_peer_socket == -1 && errno == EAGAIN) |
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{ |
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int retries = 0; |
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do |
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{ |
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pegasus_sleep(1); |
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_tickle_peer_socket = ::accept(_tickle_server_socket, |
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reinterpret_cast<struct sockaddr*>(&_tickle_peer_addr), |
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&peer_size); |
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retries++; |
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} while(_tickle_peer_socket == -1 && errno == EAGAIN && retries < 20); |
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} |
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#endif |
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} |
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if(_tickle_peer_socket == -1){ |
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// handle error |
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MessageLoaderParms parms("Common.Monitor.TICKLE_ACCEPT", |
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"Received error number $0 while accepting the internal socket connection.", |
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#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
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errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); |
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} |
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// add the tickler to the list of entries to be monitored and set to IDLE because Monitor only |
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// checks entries with IDLE state for events |
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_MonitorEntry entry(_tickle_peer_socket, 1, INTERNAL); |
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entry._status = _MonitorEntry::IDLE; |
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_entries.append(entry); |
{ | { |
static struct timeval now, last; |
AutoMutex automut(Monitor::_cout_mut); |
gettimeofday(&now, NULL); |
PEGASUS_STD(cout) << "Exiting: Monitor::initializeTickler(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
int dead_threads = 0; |
} |
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} |
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if( now.tv_sec - last.tv_sec > 0 ) |
void Monitor::tickle(void) |
{ | { |
gettimeofday(&last, NULL); |
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try |
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{ | { |
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AutoMutex automut(Monitor::_cout_mut); |
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PEGASUS_STD(cout) << "Entering: Monitor::tickle(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
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} |
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static char _buffer[] = |
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{ |
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'0','0' |
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}; |
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dead_threads = _thread_pool->kill_dead_threads(); |
AutoMutex autoMutex(_tickle_mutex); |
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Socket::disableBlocking(_tickle_client_socket); |
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Socket::write(_tickle_client_socket,&_buffer, 2); |
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Socket::enableBlocking(_tickle_client_socket); |
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{ |
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AutoMutex automut(Monitor::_cout_mut); |
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PEGASUS_STD(cout) << "Exiting: Monitor::tickle(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
} | } |
catch(IPCException& ) |
} |
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void Monitor::setState( Uint32 index, _MonitorEntry::entry_status status ) |
{ | { |
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// Set the state to requested state |
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_entries[index]._status = status; |
} | } |
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Boolean Monitor::run(Uint32 milliseconds) |
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{ |
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{ |
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AutoMutex automut(Monitor::_cout_mut); |
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PEGASUS_STD(cout) << "Entering: Monitor::run(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
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} |
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Boolean handled_events = false; |
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int i = 0; |
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struct timeval tv = {milliseconds/1000, milliseconds%1000*1000}; |
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fd_set fdread; |
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FD_ZERO(&fdread); |
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AutoMutex autoEntryMutex(_entry_mut); |
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ArrayIterator<_MonitorEntry> entries(_entries); |
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// Check the stopConnections flag. If set, clear the Acceptor monitor entries |
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if (_stopConnections.get() == 1) |
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{ |
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for ( int indx = 0; indx < (int)entries.size(); indx++) |
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{ |
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if (entries[indx]._type == Monitor::ACCEPTOR) |
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{ |
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if ( entries[indx]._status.get() != _MonitorEntry::EMPTY) |
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{ |
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if ( entries[indx]._status.get() == _MonitorEntry::IDLE || |
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entries[indx]._status.get() == _MonitorEntry::DYING ) |
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{ |
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// remove the entry |
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entries[indx]._status = _MonitorEntry::EMPTY; |
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} |
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else |
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{ |
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// set status to DYING |
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entries[indx]._status = _MonitorEntry::DYING; |
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} |
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} |
} | } |
return dead_threads; |
} |
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_stopConnections = 0; |
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_stopConnectionsSem.signal(); |
} | } |
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for( int indx = 0; indx < (int)entries.size(); indx++) |
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{ |
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const _MonitorEntry &entry = entries[indx]; |
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if ((entry._status.get() == _MonitorEntry::DYING) && |
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(entry._type == Monitor::CONNECTION)) |
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{ |
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MessageQueue *q = MessageQueue::lookup(entry.queueId); |
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PEGASUS_ASSERT(q != 0); |
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HTTPConnection &h = *static_cast<HTTPConnection *>(q); |
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//<<< Tue May 14 20:38:26 2002 mdd >>> |
if (h._connectionClosePending == false) |
// register with module controller |
continue; |
// when it is time to enqueue the message, |
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// use an async_thread_exec call to |
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// isolate the entire if(events) { enqueue -> fd_clear } block |
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// let the thread pool grow and shrink according to load. |
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Boolean Monitor::run(Uint32 milliseconds) |
// NOTE: do not attempt to delete while there are pending responses |
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// coming thru. The last response to come thru after a |
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// _connectionClosePending will reset _responsePending to false |
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// and then cause the monitor to rerun this code and clean up. |
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// (see HTTPConnection.cpp) |
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if (h._responsePending == true) |
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{ |
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if (!entry.namedPipeConnection) |
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{ |
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Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "Monitor::run - " |
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"Ignoring connection delete request because " |
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"responses are still pending. " |
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"connection=0x%p, socket=%d\n", |
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(void *)&h, h.getSocket()); |
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} |
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else |
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{ |
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Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "Monitor::run - " |
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"Ignoring connection delete request because " |
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"responses are still pending. " |
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"connection=0x%p, NamedPipe=%d\n", |
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(void *)&h, h.getNamedPipe().getPipe()); |
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} |
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continue; |
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} |
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h._connectionClosePending = false; |
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MessageQueue &o = h.get_owner(); |
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Message* message; |
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if (!entry.namedPipeConnection) |
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{ |
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message= new CloseConnectionMessage(entry.socket); |
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} |
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else |
{ | { |
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message= new CloseConnectionMessage(entry.namedPipe); |
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} |
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message->dest = o.getQueueId(); |
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// HTTPAcceptor is responsible for closing the connection. |
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// The lock is released to allow HTTPAcceptor to call |
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// unsolicitSocketMessages to free the entry. |
|
// Once HTTPAcceptor completes processing of the close |
|
// connection, the lock is re-requested and processing of |
|
// the for loop continues. This is safe with the current |
|
// implementation of the entries object. Note that the |
|
// loop condition accesses the entries.size() on each |
|
// iteration, so that a change in size while the mutex is |
|
// unlocked will not result in an ArrayIndexOutOfBounds |
|
// exception. |
|
|
|
autoEntryMutex.unlock(); |
|
o.enqueue(message); |
|
autoEntryMutex.lock(); |
|
// After enqueue a message and the autoEntryMutex has been released and locked again, |
|
// the array of _entries can be changed. The ArrayIterator has be reset with the original _entries. |
|
entries.reset(_entries); |
|
} |
|
} |
|
|
|
Uint32 _idleEntries = 0; |
|
|
|
/* |
|
We will keep track of the maximum socket number and pass this value |
|
to the kernel as a parameter to SELECT. This loop seems like a good |
|
place to calculate the max file descriptor (maximum socket number) |
|
because we have to traverse the entire array. |
|
*/ |
|
//Array<HANDLE> pipeEventArray; |
|
PEGASUS_SOCKET maxSocketCurrentPass = 0; |
|
int indx; |
|
|
| |
#ifdef PEGASUS_OS_TYPE_WINDOWS | #ifdef PEGASUS_OS_TYPE_WINDOWS |
| |
// Windows select() has a strange little bug. It returns immediately if |
//This array associates named pipe connections to their place in [indx] |
// there are no descriptors in the set even if the timeout is non-zero. |
//in the entries array. The value in poition zero of the array is the |
// To work around this, we call Sleep() for now: |
//index of the fist named pipe connection in the entries array |
|
Array <Uint32> indexPipeCountAssociator; |
|
int pipeEntryCount=0; |
|
int MaxPipes = PIPE_INCREMENT; |
|
HANDLE* hEvents = new HANDLE[PIPE_INCREMENT]; |
|
|
|
#endif |
|
|
|
for( indx = 0; indx < (int)entries.size(); indx++) |
|
{ |
|
|
|
|
|
#ifdef PEGASUS_OS_TYPE_WINDOWS |
|
if(entries[indx].isNamedPipeConnection()) |
|
{ |
|
|
|
//entering this clause mean that a Named Pipe connection is at entries[indx] |
|
//cout << "In Monitor::run in clause to to create array of for WaitformultipuleObjects" << endl; |
|
|
|
//cout << "In Monitor::run - pipe being added to array is " << entries[indx].namedPipe.getName() << endl; |
|
|
|
entries[indx].pipeSet = false; |
|
|
|
// We can Keep a counter in the Monitor class for the number of named pipes ... |
|
// Which can be used here to create the array size for hEvents..( obviously before this for loop.:-) ) |
|
if (pipeEntryCount >= MaxPipes) |
|
{ |
|
// cout << "Monitor::run 'if (pipeEntryCount >= MaxPipes)' begining - pipeEntryCount=" << |
|
// pipeEntryCount << " MaxPipes=" << MaxPipes << endl; |
|
MaxPipes += PIPE_INCREMENT; |
|
HANDLE* temp_hEvents = new HANDLE[MaxPipes]; |
|
|
|
for (Uint32 i =0;i<pipeEntryCount;i++) |
|
{ |
|
temp_hEvents[i] = hEvents[i]; |
|
} |
|
|
|
delete [] hEvents; |
| |
if (_entries.size() == 0) |
hEvents = temp_hEvents; |
Sleep(milliseconds); |
// cout << "Monitor::run 'if (pipeEntryCount >= MaxPipes)' ending"<< endl; |
|
|
|
} |
|
|
|
//pipeEventArray.append((entries[indx].namedPipe.getOverlap()).hEvent); |
|
hEvents[pipeEntryCount] = entries[indx].namedPipe.getOverlap()->hEvent; |
|
|
|
indexPipeCountAssociator.append(indx); |
|
|
|
pipeEntryCount++; |
|
|
|
|
|
|
|
} |
|
else |
| |
#endif | #endif |
|
{ |
| |
// Check for events on the selected file descriptors. Only do this if |
if(maxSocketCurrentPass < entries[indx].socket) |
// there were no undispatched events from last time. |
maxSocketCurrentPass = entries[indx].socket; |
| |
int count = 0; |
if(entries[indx]._status.get() == _MonitorEntry::IDLE) |
|
{ |
|
_idleEntries++; |
|
FD_SET(entries[indx].socket, &fdread); |
|
} |
| |
memcpy(&_rep->active_rd_fd_set, &_rep->rd_fd_set, sizeof(fd_set)); |
} |
// memcpy(&_rep->active_wr_fd_set, &_rep->wr_fd_set, sizeof(fd_set)); |
} |
memcpy(&_rep->active_ex_fd_set, &_rep->ex_fd_set, sizeof(fd_set)); |
|
|
/* |
|
Add 1 then assign maxSocket accordingly. We add 1 to account for |
|
descriptors starting at 0. |
|
*/ |
|
maxSocketCurrentPass++; |
| |
const Uint32 SECONDS = milliseconds / 1000; |
autoEntryMutex.unlock(); |
const Uint32 MICROSECONDS = (milliseconds % 1000) * 1000; |
|
struct timeval tv = { SECONDS, MICROSECONDS }; |
// |
|
// The first argument to select() is ignored on Windows and it is not |
|
// a socket value. The original code assumed that the number of sockets |
|
// and a socket value have the same type. On Windows they do not. |
|
// |
|
|
|
int events; |
|
int pEvents; |
|
|
|
#ifdef PEGASUS_OS_TYPE_WINDOWS |
|
|
|
// events = select(0, &fdread, NULL, NULL, &tv); |
|
|
|
//if (events == NULL) |
|
//{ // This connection uses namedPipes |
|
|
|
events = 0; |
|
DWORD dwWait=NULL; |
|
pEvents = 0; |
| |
count = select( |
|
FD_SETSIZE, |
|
&_rep->active_rd_fd_set, |
|
// &_rep->active_wr_fd_set, |
|
NULL, |
|
&_rep->active_ex_fd_set, |
|
&tv); |
|
if(count == 0) |
|
{ | { |
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout << "Monitor::run - Calling WaitForMultipleObjects\n"; |
|
} |
|
|
|
//this should be in a try block |
|
|
|
dwWait = WaitForMultipleObjects( |
|
MaxPipes, |
|
hEvents, //ABB:- array of event objects |
|
FALSE, // ABB:-does not wait for all |
|
milliseconds); //ABB:- timeout value //WW this may need be shorter |
|
|
|
if(dwWait == WAIT_TIMEOUT) |
|
{ |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout << "Wait WAIT_TIMEOUT\n"; |
|
cout << "Monitor::run before the select in TIMEOUT clause events = " << events << endl; |
|
|
|
events = select(0, &fdread, NULL, NULL, &tv); |
|
cout << "Monitor::run after the select in TIMEOUT clause events = " << events << endl; |
|
} |
|
|
|
// Sleep(2000); |
|
//continue; |
|
|
|
//return false; // I think we do nothing.... Mybe there is a socket connection... so |
|
// cant return. |
|
} |
|
else if (dwWait == WAIT_FAILED) |
|
{ |
|
if (GetLastError() == 6) //WW this may be too specific |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout << "Monitor::run about to call 'select since waitForMultipleObjects failed\n"; |
|
/********* NOTE |
|
this time (tv) combined with the waitForMulitpleObjects timeout is |
|
too long it will cause the client side to time out |
|
******************/ |
|
events = select(0, &fdread, NULL, NULL, &tv); |
|
|
|
} |
|
else |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout << "Wait Failed returned\n"; |
|
cout << "failed with " << GetLastError() << "." << endl; |
|
pEvents = -1; |
return false; | return false; |
} | } |
|
} |
|
else |
|
{ |
|
int pCount = dwWait - WAIT_OBJECT_0; // determines which pipe |
|
{ |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
// cout << endl << "****************************" << |
|
// "Monitor::run WaitForMultiPleObject returned activity on server pipe: "<< |
|
// pCount<< endl << endl; |
|
cout << "Monitor::run WaitForMultiPleObject returned activity pipeEntrycount is " << |
|
pipeEntryCount << |
|
" this is the type " << entries[indexPipeCountAssociator[pCount]]._type << " this is index " << indexPipeCountAssociator[pCount] << endl; |
|
} |
|
|
|
/* There is a timeing problem here sometimes the wite in HTTPConnection i s |
|
not all the way done (has not _monitor->setState (_entry_index, _MonitorEntry::IDLE) ) |
|
there for that should be done here if it is not done alread*/ |
|
|
|
if (entries[indexPipeCountAssociator[pCount]]._status.get() != _MonitorEntry::IDLE) |
|
{ |
|
this->setState(indexPipeCountAssociator[pCount], _MonitorEntry::IDLE); |
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout << "setting state of index " << indexPipeCountAssociator[pCount] << " to IDLE" << endl; |
|
} |
|
|
|
|
|
} |
|
|
|
pEvents = 1; |
|
|
|
//this statment gets the pipe entry that was trigered |
|
entries[indexPipeCountAssociator[pCount]].pipeSet = true; |
|
|
|
} |
|
#else |
|
events = select(maxSocketCurrentPass, &fdread, NULL, NULL, &tv); |
|
#endif |
|
autoEntryMutex.lock(); |
|
// After enqueue a message and the autoEntryMutex has been released and locked again, |
|
// the array of _entries can be changed. The ArrayIterator has be reset with the original _entries |
|
entries.reset(_entries); |
|
|
#ifdef PEGASUS_OS_TYPE_WINDOWS | #ifdef PEGASUS_OS_TYPE_WINDOWS |
else if (count == SOCKET_ERROR) |
if(pEvents == -1) |
|
{ |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::run - errorno = %d has occurred on select.",GetLastError() ); |
|
// The EBADF error indicates that one or more or the file |
|
// descriptions was not valid. This could indicate that |
|
// the entries structure has been corrupted or that |
|
// we have a synchronization error. |
|
|
|
// We need to generate an assert here... |
|
PEGASUS_ASSERT(GetLastError()!= EBADF); |
|
|
|
|
|
} |
|
|
|
if(events == SOCKET_ERROR) |
#else | #else |
else if (count == -1) |
if(events == -1) |
#endif | #endif |
{ | { |
return false; |
|
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::run - errorno = %d has occurred on select.", errno); |
|
// The EBADF error indicates that one or more or the file |
|
// descriptions was not valid. This could indicate that |
|
// the entries structure has been corrupted or that |
|
// we have a synchronization error. |
|
|
|
PEGASUS_ASSERT(errno != EBADF); |
} | } |
|
else if ((events)||(pEvents)) |
|
{ |
| |
Boolean handled_events = false; |
|
for (Uint32 i = 0, n = _entries.size(); i < _entries.size(); i++) |
|
{ | { |
Sint32 socket = _entries[i].socket; |
AutoMutex automut(Monitor::_cout_mut); |
Uint32 events = 0; |
cout << "IN Monior::run events= " << events << " pEvents= " << pEvents<< endl; |
|
} |
|
|
| |
if(_entries[i].dying.value() > 0 ) |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::run select event received events = %d, monitoring %d idle entries", |
|
events, _idleEntries); |
|
for( int indx = 0; indx < (int)entries.size(); indx++) |
{ | { |
if(_entries[i]._type == Monitor::CONNECTION) |
//cout << "Monitor::run at start of 'for( int indx = 0; indx ' - index = " << indx << endl; |
|
// The Monitor should only look at entries in the table that are IDLE (i.e., |
|
// owned by the Monitor). |
|
// cout << endl << " status of entry " << indx << " is " << entries[indx]._status.get() << endl; |
|
if((entries[indx]._status.get() == _MonitorEntry::IDLE) && |
|
((FD_ISSET(entries[indx].socket, &fdread)&& (events)) || |
|
(entries[indx].isNamedPipeConnection() && entries[indx].pipeSet && (pEvents)))) |
{ | { |
| |
MessageQueue *q = MessageQueue::lookup(_entries[i].queueId); |
|
if(q && static_cast<HTTPConnection *>(q)->is_dying() && |
|
(0 == static_cast<HTTPConnection *>(q)->refcount.value())) |
|
{ | { |
static_cast<HTTPConnection *>(q)->lock_connection(); |
AutoMutex automut(Monitor::_cout_mut); |
static_cast<HTTPConnection *>(q)->unlock_connection(); |
cout <<"Monitor::run - index " << indx << " just got into 'if' statement" << endl; |
|
} |
| |
MessageQueue & o = static_cast<HTTPConnection *>(q)->get_owner(); |
MessageQueue *q; |
Message* message= new CloseConnectionMessage(static_cast<HTTPConnection *>(q)->getSocket()); |
try{ |
message->dest = o.getQueueId(); |
|
o.enqueue(message); |
q = MessageQueue::lookup(entries[indx].queueId); |
i--; |
|
n = _entries.size(); |
|
} | } |
|
catch (Exception e) |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout << " this is what lookup gives - " << e.getMessage() << endl; |
|
exit(1); |
} | } |
|
catch(...) |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout << "MessageQueue::lookup gives strange exception " << endl; |
|
exit(1); |
} | } |
| |
if (FD_ISSET(socket, &_rep->active_rd_fd_set)) |
|
events |= SocketMessage::READ; |
|
| |
// if (FD_ISSET(socket, &_rep->active_wr_fd_set)) |
|
// events |= SocketMessage::WRITE; |
|
| |
if (FD_ISSET(socket, &_rep->active_ex_fd_set)) |
|
events |= SocketMessage::EXCEPTION; |
|
| |
if (events) |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::run indx = %d, queueId = %d, q = %p", |
|
indx, entries[indx].queueId, q); |
|
// printf("Monitor::run indx = %d, queueId = %d, q = %p", |
|
// indx, entries[indx].queueId, q); |
|
//cout << "Monitor::run before PEGASUS_ASSerT(q !=0) " << endl; |
|
PEGASUS_ASSERT(q !=0); |
|
|
|
|
|
try |
|
{ |
|
/* { |
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout <<" this is the type " << entries[indx]._type << |
|
" for index " << indx << endl; |
|
cout << "IN Monior::run right before entries[indx]._type == Monitor::CONNECTION" << endl; |
|
}*/ |
|
if(entries[indx]._type == Monitor::CONNECTION) |
|
{ |
{ | { |
|
cout << "In Monitor::run Monitor::CONNECTION clause" << endl; |
|
AutoMutex automut(Monitor::_cout_mut); |
|
} |
|
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
"Monitor::run - Socket Event Detected events = %d", events); |
"entries[indx].type for indx = %d is Monitor::CONNECTION", indx); |
// if (events & SocketMessage::WRITE) |
static_cast<HTTPConnection *>(q)->_entry_index = indx; |
// { |
|
// FD_CLR(socket, &_rep->active_wr_fd_set); |
|
// Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
// "Monitor::run FD_CLR WRITE"); |
|
// } |
|
| |
if (events & SocketMessage::READ) |
// Do not update the entry just yet. The entry gets updated once |
|
// the request has been read. |
|
//entries[indx]._status = _MonitorEntry::BUSY; |
|
|
|
// If allocate_and_awaken failure, retry on next iteration |
|
/* Removed for PEP 183. |
|
if (!MessageQueueService::get_thread_pool()->allocate_and_awaken( |
|
(void *)q, _dispatch)) |
|
{ |
|
Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
|
"Monitor::run: Insufficient resources to process request."); |
|
entries[indx]._status = _MonitorEntry::IDLE; |
|
return true; |
|
} |
|
*/ |
|
// Added for PEP 183 |
|
HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(q); |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::_dispatch: entering run() for indx = %d, queueId = %d, q = %p", |
|
dst->_entry_index, dst->_monitor->_entries[dst->_entry_index].queueId, dst); |
|
|
|
/*In the case of named Pipes, the request has already been read from the pipe |
|
therefor this section passed the request data to the HTTPConnection |
|
NOTE: not sure if this would be better suited in a sparate private method |
|
*/ |
|
|
|
dst->setNamedPipe(entries[indx].namedPipe); //this step shouldn't be needd |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout << "In Monitor::run after dst->setNamedPipe string read is " << entries[indx].namedPipe.raw << endl; |
|
} |
|
|
|
try |
|
{ |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout << "In Monitor::run about to call 'dst->run(1)' " << endl; |
|
} |
|
dst->run(1); |
|
} |
|
catch (...) |
{ | { |
FD_CLR(socket, &_rep->active_rd_fd_set); |
AutoMutex automut(Monitor::_cout_mut); |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
"Monitor::run FD_CLR READ"); |
"Monitor::_dispatch: exception received"); |
} | } |
else if (events & SocketMessage::EXCEPTION) |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::_dispatch: exited run() for index %d", dst->_entry_index); |
|
|
|
if (entries[indx].isNamedPipeConnection()) |
{ | { |
FD_CLR(socket, &_rep->active_ex_fd_set); |
entries[indx]._type = Monitor::ACCEPTOR; |
|
} |
|
|
|
// It is possible the entry status may not be set to busy. |
|
// The following will fail in that case. |
|
// PEGASUS_ASSERT(dst->_monitor->_entries[dst->_entry_index]._status.get() == _MonitorEntry::BUSY); |
|
// Once the HTTPConnection thread has set the status value to either |
|
// Monitor::DYING or Monitor::IDLE, it has returned control of the connection |
|
// to the Monitor. It is no longer permissible to access the connection |
|
// or the entry in the _entries table. |
|
|
|
// The following is not relevant as the worker thread or the |
|
// reader thread will update the status of the entry. |
|
//if (dst->_connectionClosePending) |
|
//{ |
|
// dst->_monitor->_entries[dst->_entry_index]._status = _MonitorEntry::DYING; |
|
//} |
|
//else |
|
//{ |
|
// dst->_monitor->_entries[dst->_entry_index]._status = _MonitorEntry::IDLE; |
|
//} |
|
// end Added for PEP 183 |
|
} |
|
else if( entries[indx]._type == Monitor::INTERNAL){ |
|
// set ourself to BUSY, |
|
// read the data |
|
// and set ourself back to IDLE |
|
cout << endl << " in - entries[indx]._type == Monitor::INTERNAL- " << endl << endl; |
|
if (!entries[indx].isNamedPipeConnection()) |
|
{ |
|
entries[indx]._status = _MonitorEntry::BUSY; |
|
static char buffer[2]; |
|
Socket::disableBlocking(entries[indx].socket); |
|
Sint32 amt = Socket::read(entries[indx].socket,&buffer, 2); |
|
Socket::enableBlocking(entries[indx].socket); |
|
entries[indx]._status = _MonitorEntry::IDLE; |
|
} |
|
} |
|
else |
|
{ |
|
{ |
|
|
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout << "In Monitor::run else clause of CONNECTION if statments" << endl; |
|
} |
|
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
"Monitor::run FD_CLR EXECEPTION"); |
"Non-connection entry, indx = %d, has been received.", indx); |
|
int events = 0; |
|
Message *msg; |
|
{ |
|
|
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout << " In Monitor::run Just before checking if NamedPipeConnection" << "for Index "<<indx<< endl; |
} | } |
MessageQueue* queue = MessageQueue::lookup(_entries[i].queueId); |
if (entries[indx].isNamedPipeConnection()) |
if( ! queue ) |
|
{ | { |
unsolicitSocketMessages(socket); |
if(!entries[indx].namedPipe.isConnectionPipe) |
break; |
{ /*if we enter this clasue it means that the named pipe that we are |
|
looking at has recived a connection but is not the pipe we get connection requests over. |
|
therefore we need to change the _type to CONNECTION and wait for a CIM Operations request*/ |
|
entries[indx]._type = Monitor::CONNECTION; |
|
|
|
|
|
/* This is a test - this shows that the read file needs to be done |
|
before we call wiatForMultipleObjects*/ |
|
/****************************************************** |
|
********************************************************/ |
|
|
|
|
|
|
|
memset(entries[indx].namedPipe.raw,'\0',4096); |
|
BOOL rc = ::ReadFile( |
|
entries[indx].namedPipe.getPipe(), |
|
&entries[indx].namedPipe.raw, |
|
NAMEDPIPE_MAX_BUFFER_SIZE, |
|
&entries[indx].namedPipe.bytesRead, |
|
entries[indx].namedPipe.getOverlap()); |
|
|
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout << "Monitor::run just called read on index " << indx << endl; |
} | } |
| |
if(_async == true && _entries[i]._type == Monitor::CONNECTION) |
|
|
//&entries[indx].namedPipe.bytesRead = &size; |
|
if(!rc) |
{ | { |
if( static_cast<HTTPConnection *>(queue)->refcount.value() == 0 ) |
AutoMutex automut(Monitor::_cout_mut); |
|
cout << "ReadFile failed for : " << GetLastError() << "."<< endl; |
|
|
|
} |
|
|
|
|
|
|
|
/****************************************************** |
|
********************************************************/ |
|
|
|
|
|
|
|
|
|
continue; |
|
|
|
|
|
} |
{ | { |
|
AutoMutex automut(Monitor::_cout_mut); |
|
cout << " In Monitor::run about to create a Pipe message" << endl; |
| |
static_cast<HTTPConnection *>(queue)->refcount++; |
|
if( false == static_cast<HTTPConnection *>(queue)->is_dying()) |
|
_thread_pool->allocate_and_awaken((void *)queue, _dispatch); |
|
else |
|
static_cast<HTTPConnection *>(queue)->refcount--; |
|
} | } |
|
|
|
events |= NamedPipeMessage::READ; |
|
msg = new NamedPipeMessage(entries[indx].namedPipe, events); |
} | } |
else | else |
{ | { |
Message* message = new SocketMessage(socket, events); |
{ |
queue->enqueue(message); |
AutoMutex automut(Monitor::_cout_mut); |
|
cout << " In Monitor::run ..its a socket message" << endl; |
} | } |
count--; |
events |= SocketMessage::READ; |
pegasus_yield(); |
msg = new SocketMessage(entries[indx].socket, events); |
|
} |
|
|
|
entries[indx]._status = _MonitorEntry::BUSY; |
|
autoEntryMutex.unlock(); |
|
q->enqueue(msg); |
|
autoEntryMutex.lock(); |
|
// After enqueue a message and the autoEntryMutex has been released and locked again, |
|
// the array of entries can be changed. The ArrayIterator has be reset with the original _entries |
|
entries.reset(_entries); |
|
entries[indx]._status = _MonitorEntry::IDLE; |
|
|
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::run(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
return true; |
|
} |
|
} |
|
catch(...) |
|
{ |
} | } |
handled_events = true; | handled_events = true; |
} | } |
|
} |
|
} |
| |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::run(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
return(handled_events); | return(handled_events); |
} | } |
| |
Boolean Monitor::solicitSocketMessages( |
void Monitor::stopListeningForConnections(Boolean wait) |
Sint32 socket, |
{ |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Entering: Monitor::stopListeningForConnections(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::stopListeningForConnections()"); |
|
// set boolean then tickle the server to recognize _stopConnections |
|
_stopConnections = 1; |
|
tickle(); |
|
|
|
if (wait) |
|
{ |
|
// Wait for the monitor to notice _stopConnections. Otherwise the |
|
// caller of this function may unbind the ports while the monitor |
|
// is still accepting connections on them. |
|
_stopConnectionsSem.wait(); |
|
} |
|
|
|
PEG_METHOD_EXIT(); |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::stopListeningForConnections(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
} |
|
|
|
|
|
int Monitor::solicitSocketMessages( |
|
PEGASUS_SOCKET socket, |
Uint32 events, | Uint32 events, |
Uint32 queueId, | Uint32 queueId, |
int type) | int type) |
{ | { |
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::solictSocketMessage"); |
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Entering: Monitor::solicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::solicitSocketMessages"); |
|
AutoMutex autoMut(_entry_mut); |
|
// Check to see if we need to dynamically grow the _entries array |
|
// We always want the _entries array to 2 bigger than the |
|
// current connections requested |
|
_solicitSocketCount++; // bump the count |
|
int size = (int)_entries.size(); |
|
if((int)_solicitSocketCount >= (size-1)){ |
|
for(int i = 0; i < ((int)_solicitSocketCount - (size-1)); i++){ |
|
_MonitorEntry entry(0, 0, 0); |
|
_entries.append(entry); |
|
} |
|
} |
| |
// See whether a handler is already registered for this one: |
int index; |
Uint32 pos = _findEntry(socket); |
for(index = 1; index < (int)_entries.size(); index++) |
|
{ |
|
try |
|
{ |
|
if(_entries[index]._status.get() == _MonitorEntry::EMPTY) |
|
{ |
|
_entries[index].socket = socket; |
|
_entries[index].queueId = queueId; |
|
_entries[index]._type = type; |
|
_entries[index]._status = _MonitorEntry::IDLE; |
| |
if (pos != PEGASUS_NOT_FOUND) |
|
{ | { |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::solicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
return index; |
|
} |
|
} |
|
catch(...) |
|
{ |
|
} |
|
} |
|
_solicitSocketCount--; // decrease the count, if we are here we didnt do anything meaningful |
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
return false; |
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::solicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
} | } |
|
return -1; |
| |
// Set the events: |
} |
|
|
if (events & SocketMessage::READ) |
|
FD_SET(socket, &_rep->rd_fd_set); |
|
| |
if (events & SocketMessage::WRITE) |
void Monitor::unsolicitSocketMessages(PEGASUS_SOCKET socket) |
FD_SET(socket, &_rep->wr_fd_set); |
{ |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Entering: Monitor::unsolicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
| |
if (events & SocketMessage::EXCEPTION) |
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessages"); |
FD_SET(socket, &_rep->ex_fd_set); |
AutoMutex autoMut(_entry_mut); |
| |
// Add the entry to the list: |
/* |
_MonitorEntry entry(socket, queueId, type); |
Start at index = 1 because _entries[0] is the tickle entry which never needs |
_entries.append(entry); |
to be EMPTY; |
|
*/ |
// Success! |
unsigned int index; |
|
for(index = 1; index < _entries.size(); index++) |
|
{ |
|
if(_entries[index].socket == socket) |
|
{ |
|
_entries[index]._status = _MonitorEntry::EMPTY; |
|
_entries[index].socket = PEGASUS_INVALID_SOCKET; |
|
_solicitSocketCount--; |
|
break; |
|
} |
|
} |
| |
|
/* |
|
Dynamic Contraction: |
|
To remove excess entries we will start from the end of the _entries array |
|
and remove all entries with EMPTY status until we find the first NON EMPTY. |
|
This prevents the positions, of the NON EMPTY entries, from being changed. |
|
*/ |
|
index = _entries.size() - 1; |
|
while(_entries[index]._status.get() == _MonitorEntry::EMPTY){ |
|
if(_entries.size() > MAX_NUMBER_OF_MONITOR_ENTRIES) |
|
_entries.remove(index); |
|
index--; |
|
} |
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
return true; |
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::unsolicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
} | } |
| |
Boolean Monitor::unsolicitSocketMessages(Sint32 socket) |
// Note: this is no longer called with PEP 183. |
|
PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL Monitor::_dispatch(void *parm) |
|
{ |
{ | { |
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessage"); |
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Entering: Monitor::_dispatch(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(parm); |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::_dispatch: entering run() for indx = %d, queueId = %d, q = %p", |
|
dst->_entry_index, dst->_monitor->_entries[dst->_entry_index].queueId, dst); |
|
try |
|
{ |
|
dst->run(1); |
|
} |
|
catch (...) |
|
{ |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::_dispatch: exception received"); |
|
} |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::_dispatch: exited run() for index %d", dst->_entry_index); |
| |
// Look for the given entry and remove it: |
PEGASUS_ASSERT(dst->_monitor->_entries[dst->_entry_index]._status.get() == _MonitorEntry::BUSY); |
| |
for (Uint32 i = 0, n = _entries.size(); i < n; i++) |
// Once the HTTPConnection thread has set the status value to either |
|
// Monitor::DYING or Monitor::IDLE, it has returned control of the connection |
|
// to the Monitor. It is no longer permissible to access the connection |
|
// or the entry in the _entries table. |
|
if (dst->_connectionClosePending) |
{ | { |
if (_entries[i].socket == socket) |
dst->_monitor->_entries[dst->_entry_index]._status = _MonitorEntry::DYING; |
|
} |
|
else |
{ | { |
Sint32 socket = _entries[i].socket; |
dst->_monitor->_entries[dst->_entry_index]._status = _MonitorEntry::IDLE; |
FD_CLR(socket, &_rep->rd_fd_set); |
|
FD_CLR(socket, &_rep->wr_fd_set); |
|
FD_CLR(socket, &_rep->ex_fd_set); |
|
_entries.remove(i); |
|
// ATTN-RK-P3-20020521: Need "Socket::close(socket);" here? |
|
Socket::close(socket); |
|
PEG_METHOD_EXIT(); |
|
return true; |
|
} | } |
|
return 0; |
|
} |
|
|
|
|
|
//This method is anlogsu to solicitSocketMessages. It does the same thing for named Pipes |
|
int Monitor::solicitPipeMessages( |
|
NamedPipe namedPipe, |
|
Uint32 events, //not sure what has to change for this enum |
|
Uint32 queueId, |
|
int type) |
|
{ |
|
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::solicitPipeMessages"); |
|
AutoMutex autoMut(_entry_mut); |
|
// Check to see if we need to dynamically grow the _entries array |
|
// We always want the _entries array to 2 bigger than the |
|
// current connections requested |
|
PEGASUS_STD(cout) << "In Monitor::solicitPipeMessages at the begining" << PEGASUS_STD(endl); |
|
|
|
|
|
|
|
_solicitSocketCount++; // bump the count |
|
int size = (int)_entries.size(); |
|
if((int)_solicitSocketCount >= (size-1)){ |
|
for(int i = 0; i < ((int)_solicitSocketCount - (size-1)); i++){ |
|
_MonitorEntry entry(0, 0, 0); |
|
_entries.append(entry); |
} | } |
PEG_METHOD_EXIT(); |
|
return false; |
|
} | } |
| |
Uint32 Monitor::_findEntry(Sint32 socket) |
int index; |
|
for(index = 1; index < (int)_entries.size(); index++) |
{ | { |
for (Uint32 i = 0, n = _entries.size(); i < n; i++) |
try |
|
{ |
|
if(_entries[index]._status.get() == _MonitorEntry::EMPTY) |
|
{ |
|
_entries[index].socket = NULL; |
|
_entries[index].namedPipe = namedPipe; |
|
_entries[index].namedPipeConnection = true; |
|
_entries[index].queueId = queueId; |
|
_entries[index]._type = type; |
|
_entries[index]._status = _MonitorEntry::IDLE; |
|
|
|
PEGASUS_STD(cout) << "In Monitor::solicitPipeMessages after seting up _entries[index] index = " << index << PEGASUS_STD(endl); |
|
|
|
return index; |
|
} |
|
} |
|
catch(...) |
{ | { |
if (_entries[i].socket == socket) |
|
return i; |
|
} | } |
| |
return PEG_NOT_FOUND; |
|
} | } |
|
_solicitSocketCount--; // decrease the count, if we are here we didnt do anything meaningful |
|
PEGASUS_STD(cout) << "In Monitor::solicitPipeMessages nothing happed - it didn't work" << PEGASUS_STD(endl); |
| |
|
PEG_METHOD_EXIT(); |
|
return -1; |
| |
PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL Monitor::_dispatch(void *parm) |
} |
|
|
|
void Monitor::unsolicitPipeMessages(NamedPipe namedPipe) |
{ | { |
HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(parm); |
|
if( true == dst->is_dying()) |
|
{ | { |
dst->refcount--; |
AutoMutex automut(Monitor::_cout_mut); |
return 0; |
PEGASUS_STD(cout) << "Entering: Monitor::unsolicitPipeMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
} | } |
if( false == dst->is_dying()) |
|
|
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitPipeMessages"); |
|
AutoMutex autoMut(_entry_mut); |
|
|
|
/* |
|
Start at index = 1 because _entries[0] is the tickle entry which never needs |
|
to be EMPTY; |
|
*/ |
|
unsigned int index; |
|
for(index = 1; index < _entries.size(); index++) |
{ | { |
if(false == dst->run(1)) |
if(_entries[index].namedPipe.getPipe() == namedPipe.getPipe()) |
pegasus_sleep(1); |
{ |
|
_entries[index]._status = _MonitorEntry::EMPTY; |
|
//_entries[index].namedPipe = PEGASUS_INVALID_SOCKET; |
|
_solicitSocketCount--; |
|
break; |
|
} |
|
} |
| |
|
/* |
|
Dynamic Contraction: |
|
To remove excess entries we will start from the end of the _entries array |
|
and remove all entries with EMPTY status until we find the first NON EMPTY. |
|
This prevents the positions, of the NON EMPTY entries, from being changed. |
|
*/ |
|
index = _entries.size() - 1; |
|
while(_entries[index]._status.get() == _MonitorEntry::EMPTY){ |
|
if((_entries[index].namedPipe.getPipe() == namedPipe.getPipe()) || |
|
(_entries.size() > MAX_NUMBER_OF_MONITOR_ENTRIES)) |
|
{ |
|
_entries.remove(index); |
|
} |
|
index--; |
|
} |
|
PEG_METHOD_EXIT(); |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::unsolicitPipeMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
} | } |
dst->refcount--; |
|
return 0; |
|
} | } |
| |
| |
|
|
PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |