version 1.100, 2005/12/02 18:25:52
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version 1.115.14.1, 2006/11/03 04:52:41
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//%2005//////////////////////////////////////////////////////////////////////// |
//%2006//////////////////////////////////////////////////////////////////////// |
// | // |
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development | // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development |
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. | // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. |
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// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. | // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. |
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; | // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; |
// EMC Corporation; VERITAS Software Corporation; The Open Group. | // 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) |
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// |
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// 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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// | // |
//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
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#include "Network.h" |
#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" |
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#include <Pegasus/Common/MessageQueueService.h> | #include <Pegasus/Common/MessageQueueService.h> |
#include <Pegasus/Common/Exception.h> | #include <Pegasus/Common/Exception.h> |
#include "ArrayIterator.h" | #include "ArrayIterator.h" |
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#include <errno.h> |
#ifdef PEGASUS_OS_TYPE_WINDOWS |
#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET) |
# if defined(FD_SETSIZE) && FD_SETSIZE != 1024 |
// Maximum iterations of Pipe processing in Monitor::run |
# error "FD_SETSIZE was not set to 1024 prior to the last inclusion \ |
const Uint32 maxIterations = 2; |
of <winsock.h>. It may have been indirectly included (e.g., by including \ |
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<windows.h>). Find inclusion of that header which is visible to this \ |
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compilation unit and #define FD_SETZIE to 1024 prior to that inclusion; \ |
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otherwise, less than 64 clients (the default) will be able to connect to the \ |
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CIMOM. PLEASE DO NOT SUPPRESS THIS WARNING; PLEASE FIX THE PROBLEM." |
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# endif |
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# define FD_SETSIZE 1024 |
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# include <windows.h> |
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#else |
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# include <sys/types.h> |
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# include <sys/socket.h> |
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# include <sys/time.h> |
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# include <netinet/in.h> |
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# include <netdb.h> |
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# include <arpa/inet.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); | static AtomicInt _connections(0); |
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Mutex Monitor::_cout_mut; |
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// Added for NamedPipe implementation for windows |
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#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET) |
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#define PIPE_INCREMENT 1 |
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#endif |
//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
// | // |
// Monitor | // Monitor |
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_tickle_client_socket(-1), | _tickle_client_socket(-1), |
_tickle_server_socket(-1), | _tickle_server_socket(-1), |
_tickle_peer_socket(-1) | _tickle_peer_socket(-1) |
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#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET) |
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,_solicitPipeCount(0) |
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#endif |
{ | { |
int numberOfMonitorEntriesToAllocate = MAX_NUMBER_OF_MONITOR_ENTRIES; | int numberOfMonitorEntriesToAllocate = MAX_NUMBER_OF_MONITOR_ENTRIES; |
Socket::initializeInterface(); | Socket::initializeInterface(); |
_entries.reserveCapacity(numberOfMonitorEntriesToAllocate); | _entries.reserveCapacity(numberOfMonitorEntriesToAllocate); |
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#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET) |
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_entries_pipe.reserveCapacity(numberOfMonitorEntriesToAllocate); |
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#endif |
// setup the tickler | // setup the tickler |
initializeTickler(); | initializeTickler(); |
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_MonitorEntry entry(0, 0, 0); | _MonitorEntry entry(0, 0, 0); |
_entries.append(entry); | _entries.append(entry); |
} | } |
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#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET) |
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for( int i = 1; i < numberOfMonitorEntriesToAllocate; i++ ) |
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{ |
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_MonitorEntry entry(0, 0, 0); |
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_entries_pipe.append(entry); |
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} |
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#endif |
} | } |
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Monitor::~Monitor() | Monitor::~Monitor() |
{ | { |
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uninitializeTickler(); |
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Socket::uninitializeInterface(); |
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Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
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"returning from monitor destructor"); |
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} |
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void Monitor::uninitializeTickler(){ |
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Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "uninitializing interface"); | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "uninitializing interface"); |
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try{ | try{ |
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"Failed to close tickle sockets"); | "Failed to close tickle sockets"); |
} | } |
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Socket::uninitializeInterface(); |
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Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
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"returning from monitor destructor"); |
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} | } |
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void Monitor::initializeTickler(){ | void Monitor::initializeTickler(){ |
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*/ | */ |
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/* setup the tickle server/listener */ | /* setup the tickle server/listener */ |
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// try until the tcpip is restarted |
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do |
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{ |
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// get a socket for the server side | // get a socket for the server side |
if((_tickle_server_socket = ::socket(PF_INET, SOCK_STREAM, 0)) == PEGASUS_INVALID_SOCKET){ |
if((_tickle_server_socket = Socket::createSocket(PF_INET, SOCK_STREAM, 0)) == PEGASUS_INVALID_SOCKET) |
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{ |
//handle error | //handle error |
MessageLoaderParms parms("Common.Monitor.TICKLE_CREATE", | MessageLoaderParms parms("Common.Monitor.TICKLE_CREATE", |
"Received error number $0 while creating the internal socket.", | "Received error number $0 while creating the internal socket.", |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
getSocketError()); |
errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); | throw Exception(parms); |
} | } |
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_tickle_server_addr.sin_family = PF_INET; | _tickle_server_addr.sin_family = PF_INET; |
_tickle_server_addr.sin_port = 0; | _tickle_server_addr.sin_port = 0; |
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PEGASUS_SOCKLEN_T _addr_size = sizeof(_tickle_server_addr); |
SocketLength _addr_size = sizeof(_tickle_server_addr); |
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// bind server side to socket | // bind server side to socket |
if((::bind(_tickle_server_socket, | if((::bind(_tickle_server_socket, |
reinterpret_cast<struct sockaddr*>(&_tickle_server_addr), | reinterpret_cast<struct sockaddr*>(&_tickle_server_addr), |
sizeof(_tickle_server_addr))) < 0){ |
sizeof(_tickle_server_addr))) < 0) |
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{ |
// handle error | // handle error |
#ifdef PEGASUS_OS_ZOS | #ifdef PEGASUS_OS_ZOS |
MessageLoaderParms parms("Common.Monitor.TICKLE_BIND_LONG", | MessageLoaderParms parms("Common.Monitor.TICKLE_BIND_LONG", |
"Received error:$0 while binding the internal socket.",strerror(errno)); |
"Received error:$0 while binding the internal socket." |
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,strerror(errno)); |
#else | #else |
MessageLoaderParms parms("Common.Monitor.TICKLE_BIND", | MessageLoaderParms parms("Common.Monitor.TICKLE_BIND", |
"Received error number $0 while binding the internal socket.", | "Received error number $0 while binding the internal socket.", |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
getSocketError()); |
errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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#endif | #endif |
throw Exception(parms); | throw Exception(parms); |
} | } |
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// tell the kernel we are a server | // tell the kernel we are a server |
if((::listen(_tickle_server_socket,3)) < 0){ |
if((::listen(_tickle_server_socket,3)) < 0) |
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{ |
// handle error | // handle error |
MessageLoaderParms parms("Common.Monitor.TICKLE_LISTEN", | MessageLoaderParms parms("Common.Monitor.TICKLE_LISTEN", |
"Received error number $0 while listening to the internal socket.", | "Received error number $0 while listening to the internal socket.", |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
getSocketError()); |
errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); | throw Exception(parms); |
} | } |
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int sock = ::getsockname(_tickle_server_socket, | int sock = ::getsockname(_tickle_server_socket, |
reinterpret_cast<struct sockaddr*>(&_tickle_server_addr), | reinterpret_cast<struct sockaddr*>(&_tickle_server_addr), |
&_addr_size); | &_addr_size); |
if(sock < 0){ |
if(sock < 0) |
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{ |
// handle error | // handle error |
MessageLoaderParms parms("Common.Monitor.TICKLE_SOCKNAME", | MessageLoaderParms parms("Common.Monitor.TICKLE_SOCKNAME", |
"Received error number $0 while getting the internal socket name.", | "Received error number $0 while getting the internal socket name.", |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
getSocketError()); |
errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); | throw Exception(parms); |
} | } |
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/* set up the tickle client/connector */ | /* set up the tickle client/connector */ |
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// get a socket for our tickle client | // get a socket for our tickle client |
if((_tickle_client_socket = ::socket(PF_INET, SOCK_STREAM, 0)) == PEGASUS_INVALID_SOCKET){ |
if((_tickle_client_socket = Socket::createSocket(PF_INET, SOCK_STREAM, 0)) |
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== PEGASUS_INVALID_SOCKET) |
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{ |
// handle error | // handle error |
MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_CREATE", | MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_CREATE", |
"Received error number $0 while creating the internal client socket.", | "Received error number $0 while creating the internal client socket.", |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
getSocketError()); |
errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); | throw Exception(parms); |
} | } |
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// bind socket to client side | // bind socket to client side |
if((::bind(_tickle_client_socket, | if((::bind(_tickle_client_socket, |
reinterpret_cast<struct sockaddr*>(&_tickle_client_addr), | reinterpret_cast<struct sockaddr*>(&_tickle_client_addr), |
sizeof(_tickle_client_addr))) < 0){ |
sizeof(_tickle_client_addr))) < 0) |
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{ |
// handle error | // handle error |
MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_BIND", | MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_BIND", |
"Received error number $0 while binding the internal client socket.", | "Received error number $0 while binding the internal client socket.", |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
getSocketError()); |
errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); | throw Exception(parms); |
} | } |
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// connect to server side | // connect to server side |
if((::connect(_tickle_client_socket, | if((::connect(_tickle_client_socket, |
reinterpret_cast<struct sockaddr*>(&_tickle_server_addr), | reinterpret_cast<struct sockaddr*>(&_tickle_server_addr), |
sizeof(_tickle_server_addr))) < 0){ |
sizeof(_tickle_server_addr))) < 0) |
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{ |
// handle error | // handle error |
MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_CONNECT", | MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_CONNECT", |
"Received error number $0 while connecting the internal client socket.", | "Received error number $0 while connecting the internal client socket.", |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
getSocketError()); |
errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); | throw Exception(parms); |
} | } |
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/* set up the slave connection */ | /* set up the slave connection */ |
memset(&_tickle_peer_addr, 0, sizeof(_tickle_peer_addr)); | memset(&_tickle_peer_addr, 0, sizeof(_tickle_peer_addr)); |
PEGASUS_SOCKLEN_T peer_size = sizeof(_tickle_peer_addr); |
SocketLength peer_size = sizeof(_tickle_peer_addr); |
pegasus_sleep(1); |
Threads::sleep(1); |
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// this call may fail, we will try a max of 20 times to establish this peer connection | // this call may fail, we will try a max of 20 times to establish this peer connection |
if((_tickle_peer_socket = ::accept(_tickle_server_socket, | if((_tickle_peer_socket = ::accept(_tickle_server_socket, |
reinterpret_cast<struct sockaddr*>(&_tickle_peer_addr), | reinterpret_cast<struct sockaddr*>(&_tickle_peer_addr), |
&peer_size)) < 0){ |
&peer_size)) < 0) |
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{ |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) | #if !defined(PEGASUS_OS_TYPE_WINDOWS) |
// Only retry on non-windows platforms. |
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if(_tickle_peer_socket == -1 && errno == EAGAIN) |
if(_tickle_peer_socket == PEGASUS_SOCKET_ERROR |
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&& getSocketError() == PEGASUS_NETWORK_TRYAGAIN) |
{ | { |
int retries = 0; | int retries = 0; |
do | do |
{ | { |
pegasus_sleep(1); |
Threads::sleep(1); |
_tickle_peer_socket = ::accept(_tickle_server_socket, | _tickle_peer_socket = ::accept(_tickle_server_socket, |
reinterpret_cast<struct sockaddr*>(&_tickle_peer_addr), | reinterpret_cast<struct sockaddr*>(&_tickle_peer_addr), |
&peer_size); | &peer_size); |
retries++; | retries++; |
} while(_tickle_peer_socket == -1 && errno == EAGAIN && retries < 20); |
} while(_tickle_peer_socket == PEGASUS_SOCKET_ERROR |
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&& getSocketError() == PEGASUS_NETWORK_TRYAGAIN |
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&& retries < 20); |
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} |
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// TCP/IP is down, destroy sockets and retry again. |
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if(_tickle_peer_socket == PEGASUS_SOCKET_ERROR && |
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getSocketError() == PEGASUS_NETWORK_TCPIP_STOPPED ) |
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{ |
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// destroy everything |
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uninitializeTickler(); |
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// retry again. |
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continue; |
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} |
} | } |
#endif | #endif |
} | } |
if(_tickle_peer_socket == -1){ |
if(_tickle_peer_socket == PEGASUS_SOCKET_ERROR) |
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{ |
// handle error | // handle error |
MessageLoaderParms parms("Common.Monitor.TICKLE_ACCEPT", | MessageLoaderParms parms("Common.Monitor.TICKLE_ACCEPT", |
"Received error number $0 while accepting the internal socket connection.", | "Received error number $0 while accepting the internal socket connection.", |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
getSocketError()); |
errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); | throw Exception(parms); |
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} else |
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{ |
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// socket is ok |
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break; |
} | } |
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} while(1); // try until TCP/IP is restarted |
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Socket::disableBlocking(_tickle_peer_socket); |
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Socket::disableBlocking(_tickle_client_socket); |
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// add the tickler to the list of entries to be monitored and set to IDLE because Monitor only | // add the tickler to the list of entries to be monitored and set to IDLE because Monitor only |
// checks entries with IDLE state for events | // checks entries with IDLE state for events |
_MonitorEntry entry(_tickle_peer_socket, 1, INTERNAL); | _MonitorEntry entry(_tickle_peer_socket, 1, INTERNAL); |
entry._status = _MonitorEntry::IDLE; | entry._status = _MonitorEntry::IDLE; |
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// is the tickler initalized as first socket on startup ? |
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if (_entries.size()==0) |
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{ |
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// if yes, append a new entry |
_entries.append(entry); | _entries.append(entry); |
} | } |
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else |
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{ |
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// if not, overwrite the tickler entry with new socket |
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_entries[0]=entry; |
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} |
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} |
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void Monitor::tickle(void) | void Monitor::tickle(void) |
{ | { |
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}; | }; |
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AutoMutex autoMutex(_tickle_mutex); | AutoMutex autoMutex(_tickle_mutex); |
Socket::disableBlocking(_tickle_client_socket); |
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Socket::write(_tickle_client_socket,&_buffer, 2); | Socket::write(_tickle_client_socket,&_buffer, 2); |
Socket::enableBlocking(_tickle_client_socket); |
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} | } |
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void Monitor::setState( Uint32 index, _MonitorEntry::entry_status status ) | void Monitor::setState( Uint32 index, _MonitorEntry::entry_status status ) |
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_entries[index]._status = status; | _entries[index]._status = status; |
} | } |
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Boolean Monitor::run(Uint32 milliseconds) |
#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET) |
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void Monitor::setPipeState( Uint32 index, _MonitorEntry::entry_status status ) |
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{ |
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// Set the state to requested state |
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_entries_pipe[index]._status = status; |
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} |
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int Monitor::handlePipe() |
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{ |
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AutoMutex autoEntryMutex(_entry_mut); |
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ArrayIterator<_MonitorEntry> entries(_entries_pipe); |
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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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} |
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} |
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} |
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_stopConnections = 0; |
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_stopConnectionsSem.signal(); |
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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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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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if (h._connectionClosePending == false) |
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continue; |
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// 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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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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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 = 0; |
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message= new CloseConnectionMessage(entry.namedPipe); |
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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. |
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// Once HTTPAcceptor completes processing of the close |
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// connection, the lock is re-requested and processing of |
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// the for loop continues. This is safe with the current |
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// implementation of the entries object. Note that the |
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// loop condition accesses the entries.size() on each |
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// iteration, so that a change in size while the mutex is |
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// unlocked will not result in an ArrayIndexOutOfBounds |
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// exception. |
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_entry_mut.unlock(); |
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o.enqueue(message); |
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_entry_mut.lock(); |
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// After enqueue a message and the autoEntryMutex has been released and locked again, |
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// the array of _entries can be changed. The ArrayIterator has be reset with the original _entries. |
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entries.reset(_entries_pipe); |
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} |
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} |
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Uint32 _idleEntries = 0; |
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/* |
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We will keep track of the maximum socket number and pass this value |
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to the kernel as a parameter to SELECT. This loop seems like a good |
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place to calculate the max file descriptor (maximum socket number) |
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because we have to traverse the entire array. |
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*/ |
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SocketHandle maxSocketCurrentPass = 0; |
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int indx = 0; |
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Array <Uint32> indexPipeCountAssociator; |
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int pipeEntryCount=0; |
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int MaxPipes = PIPE_INCREMENT; |
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// List of Pipe Handlers |
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HANDLE * hPipeList = new HANDLE[PIPE_INCREMENT]; |
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for( indx = 0; indx < (int)entries.size() ; indx++) |
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{ |
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if (!entries[indx].namedPipeConnection) |
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continue; |
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entries[indx].pipeSet = false; |
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if (pipeEntryCount >= MaxPipes) |
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{ |
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MaxPipes += PIPE_INCREMENT; |
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HANDLE* temp_pList = new HANDLE[MaxPipes]; |
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for (Uint32 i =0;i<pipeEntryCount;i++) |
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{ |
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temp_pList[i] = hPipeList[i]; |
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} |
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delete [] hPipeList; |
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hPipeList = temp_pList; |
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} |
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hPipeList[pipeEntryCount] = entries[indx].namedPipe.getPipe(); |
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indexPipeCountAssociator.append(indx); |
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pipeEntryCount++; |
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} |
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/* |
|
Add 1 then assign maxSocket accordingly. We add 1 to account for |
|
descriptors starting at 0. |
|
*/ |
|
maxSocketCurrentPass++; |
|
|
|
|
|
|
|
int pEvents = -1; |
|
int pCount = -1; |
|
BOOL bPeekPipe = 0; |
|
DWORD dwBytesAvail=0; |
|
// The pipe is sniffed and check if there are any data. If available, the |
|
// message is picked from the Queue and appropriate methods are invoked. |
|
|
|
|
|
// pipeProcessCount records the number of requests that are processed. |
|
// At the end of loop this is verified against the count of request |
|
// on local connection . If there are any pipes which needs to be |
|
// processed we would apply delay and then proceed to iterate. |
|
|
|
Uint32 pipeProcessCount =0; |
|
|
|
_entry_mut.unlock(); |
|
|
|
|
|
// pipeIndex is used to index into indexPipeCountAssociator to fetch |
|
// index of the _MonitorEntry of Monitor |
|
for (int pipeIndex = 0; pipeIndex < pipeEntryCount; pipeIndex++) |
|
{ |
|
dwBytesAvail = 0; |
|
|
|
bPeekPipe = ::PeekNamedPipe(hPipeList[pipeIndex], |
|
NULL, |
|
NULL, |
|
NULL, |
|
&dwBytesAvail, |
|
NULL |
|
); |
|
|
|
// If peek on NamedPipe was successfull and data is available |
|
if (bPeekPipe && dwBytesAvail) |
|
{ |
|
|
|
// Tracer::trace(TRC_HTTP,Tracer::LEVEL4," PIPE_PEEKING FOUND = %u BYTES", dwBytesAvail); |
|
|
|
pEvents = 1; |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "EVENT TRIGGERED in Pipe = %u ",entries[indexPipeCountAssociator[pipeIndex]].namedPipe.getPipe()); |
|
entries[indexPipeCountAssociator[pipeIndex]].pipeSet = true; |
|
int pIndx = indexPipeCountAssociator[pipeIndex]; |
|
|
|
if ((entries[pIndx]._status.get() == _MonitorEntry::IDLE) && |
|
entries[pIndx].namedPipe.isConnected() && |
|
(pEvents)) |
|
{ |
|
|
|
MessageQueue *q = 0; |
|
|
|
try |
|
{ |
|
|
|
q = MessageQueue::lookup (entries[pIndx].queueId); |
|
} |
|
catch (Exception e) |
|
{ |
|
e.getMessage(); |
|
} |
|
catch(...) |
|
{ |
|
} |
|
|
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::run indx = %d, queueId = %d,\ |
|
q = %p",pIndx, entries[pIndx].queueId, q); |
|
try |
|
{ |
|
if (entries[pIndx]._type == Monitor::CONNECTION) |
|
{ |
|
|
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"entries[indx].type for indx = \ |
|
%d is Monitor::CONNECTION", |
|
pIndx); |
|
static_cast<HTTPConnection *>(q)->_entry_index = pIndx; |
|
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); |
|
|
|
try |
|
{ |
|
|
|
dst->run(1); |
|
|
|
// Record that the requested data is read/Written |
|
pipeProcessCount++; |
|
|
|
} |
|
catch (...) |
|
{ |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::_dispatch: \ |
|
exception received"); |
|
} |
|
|
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::_dispatch: exited \ |
|
\run() index %d", |
|
dst->_entry_index); |
|
|
|
|
|
} |
|
else |
|
{ |
|
/* The condition |
|
entries[indx]._type == Monitor::INTERNAL can be |
|
ignored for pipes as the tickler is of |
|
Monitor::INTERNAL type. The tickler is |
|
a socket. |
|
*/ |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Non-connection entry, indx = %d,\ |
|
has been received.", pIndx); |
|
int events = 0; |
|
Message *msg = 0; |
|
|
|
pEvents |= NamedPipeMessage::READ; |
|
msg = new NamedPipeMessage(entries[pIndx].namedPipe, pEvents); |
|
entries[pIndx]._status = _MonitorEntry::BUSY; |
|
q->enqueue(msg); |
|
_entry_mut.lock(); |
|
entries.reset(_entries_pipe); |
|
entries[pIndx]._status = _MonitorEntry::IDLE; |
|
delete [] hPipeList; |
|
return 1; |
|
} |
|
|
|
|
|
} |
|
catch(...) |
|
{ |
|
|
|
} |
|
} |
|
|
|
} |
|
|
|
_entry_mut.lock(); |
|
} |
|
delete [] hPipeList; |
|
|
|
//If no request received on pipe rest for 4 seconds and give chance to Socket Thread |
|
if (!pipeProcessCount) |
|
{ |
|
Sleep(4000); |
|
} |
|
return 1; |
|
|
|
} |
|
#endif |
|
|
|
void Monitor::run(Uint32 milliseconds) |
{ | { |
| |
Boolean handled_events = false; |
|
int i = 0; | int i = 0; |
| |
struct timeval tv = {milliseconds/1000, milliseconds%1000*1000}; | struct timeval tv = {milliseconds/1000, milliseconds%1000*1000}; |
|
|
// unlocked will not result in an ArrayIndexOutOfBounds | // unlocked will not result in an ArrayIndexOutOfBounds |
// exception. | // exception. |
| |
autoEntryMutex.unlock(); |
_entry_mut.unlock(); |
o.enqueue(message); | o.enqueue(message); |
autoEntryMutex.lock(); |
_entry_mut.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); |
} | } |
} | } |
| |
|
|
place to calculate the max file descriptor (maximum socket number) | place to calculate the max file descriptor (maximum socket number) |
because we have to traverse the entire array. | because we have to traverse the entire array. |
*/ | */ |
PEGASUS_SOCKET maxSocketCurrentPass = 0; |
SocketHandle maxSocketCurrentPass = 0; |
for( int indx = 0; indx < (int)entries.size(); indx++) | for( int indx = 0; indx < (int)entries.size(); indx++) |
{ | { |
if(maxSocketCurrentPass < entries[indx].socket) | if(maxSocketCurrentPass < entries[indx].socket) |
|
|
*/ | */ |
maxSocketCurrentPass++; | maxSocketCurrentPass++; |
| |
autoEntryMutex.unlock(); |
_entry_mut.unlock(); |
| |
// | // |
// The first argument to select() is ignored on Windows and it is not | // The first argument to select() is ignored on Windows and it is not |
|
|
#else | #else |
int events = select(maxSocketCurrentPass, &fdread, NULL, NULL, &tv); | int events = select(maxSocketCurrentPass, &fdread, NULL, NULL, &tv); |
#endif | #endif |
autoEntryMutex.lock(); |
_entry_mut.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 |
if (events == PEGASUS_SOCKET_ERROR) |
if(events == SOCKET_ERROR) |
|
#else |
|
if(events == -1) |
|
#endif |
|
{ | { |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
"Monitor::run - errorno = %d has occurred on select.", errno); | "Monitor::run - errorno = %d has occurred on select.", errno); |
|
|
| |
entries[indx]._status = _MonitorEntry::BUSY; | entries[indx]._status = _MonitorEntry::BUSY; |
static char buffer[2]; | static char buffer[2]; |
Socket::disableBlocking(entries[indx].socket); |
|
Sint32 amt = Socket::read(entries[indx].socket,&buffer, 2); | Sint32 amt = Socket::read(entries[indx].socket,&buffer, 2); |
Socket::enableBlocking(entries[indx].socket); |
|
|
if(amt == PEGASUS_SOCKET_ERROR && |
|
getSocketError() == PEGASUS_NETWORK_TCPIP_STOPPED ) |
|
{ |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::run: Tickler socket got an IO error. " |
|
"Going to re-create Socket and wait for TCP/IP restart."); |
|
uninitializeTickler(); |
|
initializeTickler(); |
|
|
|
} else |
|
{ |
entries[indx]._status = _MonitorEntry::IDLE; | entries[indx]._status = _MonitorEntry::IDLE; |
} | } |
|
|
|
} |
else | else |
{ | { |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
|
events |= SocketMessage::READ; | events |= SocketMessage::READ; |
Message *msg = new SocketMessage(entries[indx].socket, events); | Message *msg = new SocketMessage(entries[indx].socket, events); |
entries[indx]._status = _MonitorEntry::BUSY; | entries[indx]._status = _MonitorEntry::BUSY; |
autoEntryMutex.unlock(); |
_entry_mut.unlock(); |
q->enqueue(msg); | q->enqueue(msg); |
autoEntryMutex.lock(); |
_entry_mut.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; | entries[indx]._status = _MonitorEntry::IDLE; |
|
|
return true; |
|
} | } |
} | } |
catch(...) | catch(...) |
{ | { |
} | } |
handled_events = true; |
|
} | } |
} | } |
} | } |
|
|
return(handled_events); |
|
} | } |
| |
void Monitor::stopListeningForConnections(Boolean wait) | void Monitor::stopListeningForConnections(Boolean wait) |
|
|
// Wait for the monitor to notice _stopConnections. Otherwise the | // Wait for the monitor to notice _stopConnections. Otherwise the |
// caller of this function may unbind the ports while the monitor | // caller of this function may unbind the ports while the monitor |
// is still accepting connections on them. | // is still accepting connections on them. |
try |
_stopConnectionsSem.wait(); |
{ |
|
_stopConnectionsSem.time_wait(10000); |
|
} |
|
catch (TimeOut &) |
|
{ |
|
// The monitor is probably busy processng a very long request, and is |
|
// not accepting connections. Let the caller unbind the ports. |
|
} |
|
} | } |
| |
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
} | } |
| |
| |
|
|
int Monitor::solicitSocketMessages( | int Monitor::solicitSocketMessages( |
PEGASUS_SOCKET socket, |
SocketHandle socket, |
Uint32 events, | Uint32 events, |
Uint32 queueId, | Uint32 queueId, |
int type) | int type) |
|
|
| |
} | } |
| |
void Monitor::unsolicitSocketMessages(PEGASUS_SOCKET socket) |
void Monitor::unsolicitSocketMessages(SocketHandle socket) |
{ | { |
| |
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessages"); | PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessages"); |
|
|
} | } |
| |
// Note: this is no longer called with PEP 183. | // Note: this is no longer called with PEP 183. |
PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL Monitor::_dispatch(void *parm) |
ThreadReturnType PEGASUS_THREAD_CDECL Monitor::_dispatch(void *parm) |
{ | { |
HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(parm); | HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(parm); |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
|
} | } |
return 0; | return 0; |
} | } |
|
// Added for NamedPipe implementation for windows |
|
#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET) |
|
//This method is anlogus 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_pipe_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 |
|
#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "In Monitor::solicitPipeMessages at the begining" << PEGASUS_STD(endl); |
|
} |
|
#endif |
|
|
|
_solicitPipeCount++; // bump the count |
|
int size = (int)_entries_pipe.size(); |
|
if((int)_solicitPipeCount >= (size-1)){ |
|
for(int i = 0; i < ((int)_solicitPipeCount - (size-1)); i++){ |
|
_MonitorEntry entry(0, 0, 0); |
|
_entries_pipe.append(entry); |
|
} |
|
} |
|
|
|
int index; |
|
for(index = 1; index < (int)_entries_pipe.size(); index++) |
|
{ |
|
try |
|
{ |
|
if(_entries_pipe[index]._status.get() == _MonitorEntry::EMPTY) |
|
{ |
|
_entries_pipe[index].socket = NULL; |
|
_entries_pipe[index].namedPipe = namedPipe; |
|
_entries_pipe[index].namedPipeConnection = true; |
|
_entries_pipe[index].queueId = queueId; |
|
_entries_pipe[index]._type = type; |
|
_entries_pipe[index]._status = _MonitorEntry::IDLE; |
|
#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "In Monitor::solicitPipeMessages after seting up _entries[index] index = " << index << PEGASUS_STD(endl); |
|
} |
|
#endif |
|
|
|
return index; |
|
} |
|
} |
|
catch(...) |
|
{ |
|
} |
|
|
|
} |
|
_solicitPipeCount--; // 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; |
|
|
|
} |
|
|
|
////////////////////////////////////////////////////////////////////////////// |
|
// Method Name : unsolicitPipeMessages |
|
// Input Parameter : namedPipe - type NamedPipe |
|
// Return Type : void |
|
//============================================================================ |
|
// This method is invoked from HTTPAcceptor::handleEnqueue for server |
|
// when the CLOSE_CONNECTION_MESSAGE is recieved. This method is also invoked |
|
// from HTTPAcceptor::destroyConnections method when the CIMServer is shutdown. |
|
// For the CIMClient, this is invoked from HTTPConnector::handleEnqueue when the |
|
// CLOSE_CONNECTION_MESSAGE is recieved. This method is also invoked from |
|
// HTTPConnector::disconnect when CIMClient requests a disconnect request. |
|
// The list of _MonitorEntry is searched for the matching pipe. |
|
// The Handle of the identified is closed and _MonitorEntry for the |
|
// requested pipe is removed. |
|
/////////////////////////////////////////////////////////////////////////////// |
|
|
|
void Monitor::unsolicitPipeMessages(NamedPipe namedPipe) |
|
{ |
|
#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Entering: Monitor::unsolicitPipeMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
#endif |
|
|
|
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitPipeMessages"); |
|
AutoMutex autoMut(_entry_pipe_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_pipe.size(); index++) |
|
{ |
|
if (_entries_pipe[index].namedPipe.getPipe() == namedPipe.getPipe()) |
|
{ |
|
_entries_pipe[index]._status = _MonitorEntry::EMPTY; |
|
// Ensure that the client has read the data |
|
::FlushFileBuffers (namedPipe.getPipe()); |
|
//Disconnect to release the pipe. This doesn't release Pipe Handle |
|
::DisconnectNamedPipe (_entries_pipe[index].namedPipe.getPipe()); |
|
// Must use CloseHandle to Close Pipe |
|
::CloseHandle(_entries_pipe[index].namedPipe.getPipe()); |
|
_entries_pipe[index].namedPipe.disconnect(); |
|
_solicitPipeCount--; |
|
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_pipe.size() - 1; |
|
while (_entries_pipe[index]._status.get() == _MonitorEntry::EMPTY |
|
&& index > 0) |
|
{ |
|
if ((_entries_pipe[index].namedPipe.getPipe() == namedPipe.getPipe()) || |
|
(_entries_pipe.size() > MAX_NUMBER_OF_MONITOR_ENTRIES)) |
|
{ |
|
_entries_pipe.remove(index); |
|
} |
|
index--; |
|
} |
|
PEG_METHOD_EXIT(); |
|
#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::unsolicitPipeMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
#endif |
|
} |
|
|
|
#endif |
|
|
|
|
| |
PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |