version 1.28.4.1, 2003/06/25 16:29:06
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version 1.132, 2012/07/03 11:53:22
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//%///////////////////////////////////////////////////////////////////////////// |
//%LICENSE//////////////////////////////////////////////////////////////// |
// | // |
// Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Company, IBM, |
// Licensed to The Open Group (TOG) under one or more contributor license |
// The Open Group, Tivoli Systems |
// agreements. Refer to the OpenPegasusNOTICE.txt file distributed with |
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// this work for additional information regarding copyright ownership. |
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// Each contributor licenses this file to you under the OpenPegasus Open |
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// Source License; you may not use this file except in compliance with the |
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// License. |
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// |
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// Permission is hereby granted, free of charge, to any person obtaining a |
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// copy of this software and associated documentation files (the "Software"), |
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// to deal in the Software without restriction, including without limitation |
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// the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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// and/or sell copies of the Software, and to permit persons to whom the |
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// Software is furnished to do so, subject to the following conditions: |
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// |
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// The above copyright notice and this permission notice shall be included |
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// in all copies or substantial portions of the Software. |
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// |
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
// | // |
// Permission is hereby granted, free of charge, to any person obtaining a copy |
////////////////////////////////////////////////////////////////////////// |
// of this software and associated documentation files (the "Software"), to |
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// deal in the Software without restriction, including without limitation the |
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
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// sell copies of the Software, and to permit persons to whom the Software is |
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// furnished to do so, subject to the following conditions: |
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// |
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// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN |
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// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED |
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// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT |
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// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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// |
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//============================================================================== |
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// |
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// Author: Mike Brasher (mbrasher@bmc.com) |
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// |
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// Modified By: |
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// Jenny Yu, Hewlett-Packard Company (jenny_yu@hp.com) |
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// Nag Boranna, Hewlett-Packard Company (nagaraja_boranna@hp.com) |
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// Dave Rosckes (rosckes@us.ibm.com) |
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// | // |
//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
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#include "Config.h" | #include "Config.h" |
#include "Constants.h" | #include "Constants.h" |
#include <iostream> | #include <iostream> |
#include "Socket.h" |
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#ifdef PEGASUS_PLATFORM_WIN32_IX86_MSVC |
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#include <windows.h> |
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#else |
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# include <cctype> |
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# include <cstdlib> |
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# include <errno.h> |
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# include <fcntl.h> |
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# include <netdb.h> |
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# include <netinet/in.h> |
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# include <arpa/inet.h> |
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# include <sys/socket.h> |
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# ifdef PEGASUS_LOCAL_DOMAIN_SOCKET |
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# include <unistd.h> |
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# include <sys/un.h> |
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# endif |
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#endif |
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#include "Network.h" |
#include "Socket.h" | #include "Socket.h" |
#include "TLS.h" | #include "TLS.h" |
#include "HTTPAcceptor.h" | #include "HTTPAcceptor.h" |
#include "HTTPConnection.h" | #include "HTTPConnection.h" |
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#include "HostAddress.h" |
#include "Tracer.h" | #include "Tracer.h" |
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#include <Pegasus/Common/MessageLoader.h> |
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#ifdef PEGASUS_OS_PASE |
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# include <as400_protos.h> |
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# include <Pegasus/Common/PaseCcsid.h> |
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#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 int _maxConnectionQueueLength = -1; |
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Uint32 HTTPAcceptor::_socketWriteTimeout = |
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PEGASUS_DEFAULT_SOCKETWRITE_TIMEOUT_SECONDS; |
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#ifndef PEGASUS_INTEGERS_BOUNDARY_ALIGNED |
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Mutex HTTPAcceptor::_socketWriteTimeoutMutex; |
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#endif |
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//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
// | // |
// HTTPAcceptorRep | // HTTPAcceptorRep |
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class HTTPAcceptorRep | class HTTPAcceptorRep |
{ | { |
public: | public: |
HTTPAcceptorRep(Boolean local) |
HTTPAcceptorRep(Uint16 connectionType) |
{ | { |
if (local) |
if (connectionType == HTTPAcceptor::LOCAL_CONNECTION) |
{ | { |
#ifdef PEGASUS_LOCAL_DOMAIN_SOCKET |
#ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET |
address = reinterpret_cast<struct sockaddr*>(new struct sockaddr_un); |
address = |
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reinterpret_cast<struct sockaddr*>(new struct sockaddr_un); |
address_size = sizeof(struct sockaddr_un); | address_size = sizeof(struct sockaddr_un); |
#else | #else |
PEGASUS_ASSERT(false); | PEGASUS_ASSERT(false); |
#endif | #endif |
} | } |
else |
#ifdef PEGASUS_ENABLE_IPV6 |
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else if (connectionType == HTTPAcceptor::IPV6_CONNECTION) |
{ | { |
address = reinterpret_cast<struct sockaddr*>(new struct sockaddr_in); |
address = |
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reinterpret_cast<struct sockaddr*>(new struct sockaddr_in6); |
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address_size = sizeof(struct sockaddr_in6); |
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} |
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#endif |
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else if (connectionType == HTTPAcceptor::IPV4_CONNECTION) |
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{ |
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address = |
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reinterpret_cast<struct sockaddr*>(new struct sockaddr_in); |
address_size = sizeof(struct sockaddr_in); | address_size = sizeof(struct sockaddr_in); |
} | } |
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else |
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{ |
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PEGASUS_ASSERT(false); |
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} |
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} |
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~HTTPAcceptorRep() |
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{ |
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closeSocket(); |
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delete address; |
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} |
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void closeSocket() |
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{ |
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Socket::close(socket); |
} | } |
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struct sockaddr* address; | struct sockaddr* address; |
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#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) |
SocketLength address_size; |
size_t address_size; |
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#elif defined(PEGASUS_PLATFORM_AIX_RS_IBMCXX) || defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU) |
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socklen_t address_size; |
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#else |
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int address_size; |
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#endif |
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Mutex _connection_mut; | Mutex _connection_mut; |
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Sint32 socket; |
SocketHandle socket; |
Array<HTTPConnection*> connections; | Array<HTTPConnection*> connections; |
}; | }; |
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//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
// | // |
// HTTPAcceptor | // HTTPAcceptor |
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HTTPAcceptor::HTTPAcceptor(Monitor* monitor, | HTTPAcceptor::HTTPAcceptor(Monitor* monitor, |
MessageQueue* outputMessageQueue, | MessageQueue* outputMessageQueue, |
Boolean localConnection, |
Uint16 connectionType, |
Uint32 portNumber, | Uint32 portNumber, |
SSLContext * sslcontext) |
SSLContext * sslcontext, |
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ReadWriteSem* sslContextObjectLock, |
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HostAddress *listenOn) |
: Base(PEGASUS_QUEUENAME_HTTPACCEPTOR), // ATTN: Need unique names? | : Base(PEGASUS_QUEUENAME_HTTPACCEPTOR), // ATTN: Need unique names? |
_monitor(monitor), | _monitor(monitor), |
_outputMessageQueue(outputMessageQueue), | _outputMessageQueue(outputMessageQueue), |
_rep(0), | _rep(0), |
_entry_index(-1), | _entry_index(-1), |
_localConnection(localConnection), |
_connectionType(connectionType), |
_portNumber(portNumber), | _portNumber(portNumber), |
_sslcontext(sslcontext) |
_sslcontext(sslcontext), |
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_sslContextObjectLock(sslContextObjectLock), |
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_listenAddress(listenOn) |
{ | { |
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PEGASUS_ASSERT(!_sslcontext == !_sslContextObjectLock); |
Socket::initializeInterface(); | Socket::initializeInterface(); |
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/* |
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Platforms interpret the value of _maxConnectionQueueLength |
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differently. Some platforms interpret the value literally, while |
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others multiply a fudge factor. When the server is under stress from |
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multiple clients with multiple requests, toggling this number may |
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prevent clients from being dropped. Instead of hard coding the |
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value, we allow an environment variable to be set which specifies a |
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number greater than the maximum concurrent client connections |
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possible. If this environment var is not specified, then |
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_maxConnectionQueueLength = 15. |
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*/ |
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//To engage runtime backlog queue length: uncomment the following block AND |
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//comment out the line _maxConnectionQueueLength = 15 |
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/* |
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if (_maxConnectionQueueLength == -1) |
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{ |
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const char* env = getenv("PEGASUS_MAX_BACKLOG_CONNECTION_QUEUE"); |
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if (!env) |
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{ |
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_maxConnectionQueueLength = 15; |
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} |
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else |
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{ |
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char* end = NULL; |
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_maxConnectionQueueLength = strtol(env, &end, 10); |
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if (*end) |
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_maxConnectionQueueLength = 15; |
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cout << " _maxConnectionQueueLength = " << |
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_maxConnectionQueueLength << endl; |
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} |
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} |
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*/ |
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#ifdef PEGASUS_WMIMAPPER |
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//The WMI Mapper can be used as a proxy to multiple WMI Servers. |
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//If a client application simultaneously initiates connections |
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//to many Windows systems, many of these connections may be routed |
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//to a single WMI Mapper. A larger _maxConnectionQueueLength |
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//value is required to allow these connections to be initiated |
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//successfully. |
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_maxConnectionQueueLength = 40; |
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#else |
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_maxConnectionQueueLength = 15; |
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#endif |
} | } |
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HTTPAcceptor::~HTTPAcceptor() | HTTPAcceptor::~HTTPAcceptor() |
{ | { |
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destroyConnections(); |
unbind(); | unbind(); |
// ATTN: Is this correct in a multi-HTTPAcceptor server? | // ATTN: Is this correct in a multi-HTTPAcceptor server? |
Socket::uninitializeInterface(); | Socket::uninitializeInterface(); |
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if (! message) | if (! message) |
return; | return; |
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PEGASUS_ASSERT(_rep != 0); |
switch (message->getType()) | switch (message->getType()) |
{ | { |
case SOCKET_MESSAGE: | case SOCKET_MESSAGE: |
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SocketMessage* socketMessage = (SocketMessage*)message; | SocketMessage* socketMessage = (SocketMessage*)message; |
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// If this is a connection request: | // If this is a connection request: |
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PEGASUS_ASSERT(socketMessage->socket == _rep->socket); |
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PEGASUS_ASSERT(socketMessage->events & SocketMessage::READ); |
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if (socketMessage->socket == _rep->socket && |
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socketMessage->events | SocketMessage::READ) |
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{ |
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_acceptConnection(); | _acceptConnection(); |
} |
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else |
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{ |
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// ATTN! this can't happen! |
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} |
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break; | break; |
} | } |
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case CLOSE_CONNECTION_MESSAGE: | case CLOSE_CONNECTION_MESSAGE: |
{ | { |
CloseConnectionMessage* closeConnectionMessage |
CloseConnectionMessage* closeConnectionMessage = |
= (CloseConnectionMessage*)message; |
(CloseConnectionMessage*)message; |
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_rep->_connection_mut.lock(pegasus_thread_self()); |
AutoMutex autoMut(_rep->_connection_mut); |
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for (Uint32 i = 0, n = _rep->connections.size(); i < n; i++) | for (Uint32 i = 0, n = _rep->connections.size(); i < n; i++) |
{ | { |
HTTPConnection* connection = _rep->connections[i]; | HTTPConnection* connection = _rep->connections[i]; |
Sint32 socket = connection->getSocket(); |
SocketHandle socket = connection->getSocket(); |
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if (socket == closeConnectionMessage->socket) | if (socket == closeConnectionMessage->socket) |
{ | { |
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break; | break; |
} | } |
} | } |
_rep->_connection_mut.unlock(); |
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break; |
} | } |
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default: | default: |
// ATTN: need unexpected message error! |
PEGASUS_ASSERT(false); |
break; | break; |
}; |
} |
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delete message; | delete message; |
} | } |
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void HTTPAcceptor::handleEnqueue() | void HTTPAcceptor::handleEnqueue() |
{ | { |
Message* message = dequeue(); | Message* message = dequeue(); |
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if (!message) |
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return; |
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handleEnqueue(message); | handleEnqueue(message); |
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} | } |
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void HTTPAcceptor::bind() | void HTTPAcceptor::bind() |
{ | { |
if (_rep) | if (_rep) |
throw BindFailedException("HTTPAcceptor already bound"); |
{ |
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MessageLoaderParms parms("Common.HTTPAcceptor.ALREADY_BOUND", |
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"HTTPAcceptor already bound"); |
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throw BindFailedException(parms); |
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} |
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_rep = new HTTPAcceptorRep(_localConnection); |
_rep = new HTTPAcceptorRep(_connectionType); |
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// bind address | // bind address |
_bind(); | _bind(); |
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return; |
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} | } |
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/** | /** |
_bind - creates a new server socket and bind socket to the port address. | _bind - creates a new server socket and bind socket to the port address. |
If PEGASUS_LOCAL_DOMAIN_SOCKET is defined, the port number is ignored and |
If PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET is not defined, the port number is |
a domain socket is bound. |
ignored and a domain socket is bound. |
*/ | */ |
void HTTPAcceptor::_bind() | void HTTPAcceptor::_bind() |
{ | { |
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#ifdef PEGASUS_OS_PASE |
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AutoPtr<PaseCcsid> ccsid; |
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#endif |
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PEGASUS_ASSERT(_rep != 0); |
// Create address: | // Create address: |
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memset(_rep->address, 0, _rep->address_size); |
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memset(_rep->address, 0, sizeof(*_rep->address)); |
if (_connectionType == LOCAL_CONNECTION) |
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if (_localConnection) |
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{ | { |
#ifdef PEGASUS_LOCAL_DOMAIN_SOCKET |
#ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET |
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// |
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// Make sure the local domain socket can be owned by the cimserver |
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// user. Otherwise, the bind may fail with a vague "bind failed" |
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// error. |
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// |
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#ifdef PEGASUS_OS_PASE |
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// PASE domain socket needs ccsid 819 |
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int orig_ccsid; |
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orig_ccsid = _SETCCSID(-1); |
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if (orig_ccsid == -1) |
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{ |
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PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL1, |
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"HTTPAcceptor::_bind: Can not get current PASE CCSID."); |
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orig_ccsid = 1208; |
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} |
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ccsid.reset(new PaseCcsid(819, orig_ccsid)); |
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#endif |
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if (System::exists(PEGASUS_LOCAL_DOMAIN_SOCKET_PATH)) |
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{ |
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if (!System::removeFile(PEGASUS_LOCAL_DOMAIN_SOCKET_PATH)) |
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{ |
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throw CannotRemoveFile(PEGASUS_LOCAL_DOMAIN_SOCKET_PATH); |
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} |
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} |
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reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_family = | reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_family = |
AF_UNIX; | AF_UNIX; |
strcpy(reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_path, | strcpy(reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_path, |
PEGASUS_LOCAL_DOMAIN_SOCKET_PATH); | PEGASUS_LOCAL_DOMAIN_SOCKET_PATH); |
::unlink(reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_path); |
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#else | #else |
PEGASUS_ASSERT(false); | PEGASUS_ASSERT(false); |
#endif | #endif |
} | } |
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#ifdef PEGASUS_ENABLE_IPV6 |
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else if (_connectionType == IPV6_CONNECTION) |
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{ |
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if(_listenAddress) |
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{ |
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String hostAdd = _listenAddress->getHost(); |
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CString ip = hostAdd.getCString(); |
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struct sockaddr_in6 in6addr; |
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memset(&in6addr, 0, sizeof(sockaddr_in6)); |
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if(_listenAddress ->isHostAddLinkLocal()) |
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{ |
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::inet_pton(AF_INET6, |
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(const char*)ip, |
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&in6addr.sin6_addr); |
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reinterpret_cast<struct sockaddr_in6*>( |
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_rep->address)->sin6_addr = in6addr.sin6_addr; |
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reinterpret_cast<struct sockaddr_in6*>( |
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_rep->address)->sin6_scope_id = |
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_listenAddress->getScopeID(); |
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} |
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else |
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{ |
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::inet_pton(AF_INET6, |
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(const char*)ip, |
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&in6addr.sin6_addr); |
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reinterpret_cast<struct sockaddr_in6*>( |
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_rep->address)->sin6_addr = in6addr.sin6_addr; |
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} |
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} |
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else |
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{ |
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reinterpret_cast<struct sockaddr_in6*>(_rep->address)->sin6_addr = |
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in6addr_any; |
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} |
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reinterpret_cast<struct sockaddr_in6*>(_rep->address)->sin6_family = |
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AF_INET6; |
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reinterpret_cast<struct sockaddr_in6*>(_rep->address)->sin6_port = |
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htons(_portNumber); |
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} |
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#endif |
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else if(_connectionType == IPV4_CONNECTION) |
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{ |
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if(_listenAddress) |
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{ |
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String hostAdd = _listenAddress->getHost(); |
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CString ip = hostAdd.getCString(); |
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struct sockaddr_in addrs; |
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::inet_pton( |
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AF_INET, |
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(const char*)ip, |
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&addrs.sin_addr); |
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reinterpret_cast<struct sockaddr_in*>( |
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_rep->address)->sin_addr.s_addr = addrs.sin_addr.s_addr; |
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} |
else | else |
{ | { |
reinterpret_cast<struct sockaddr_in*>(_rep->address)->sin_addr.s_addr = |
reinterpret_cast<struct sockaddr_in*>( |
INADDR_ANY; |
_rep->address)->sin_addr.s_addr = INADDR_ANY; |
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} |
reinterpret_cast<struct sockaddr_in*>(_rep->address)->sin_family = | reinterpret_cast<struct sockaddr_in*>(_rep->address)->sin_family = |
AF_INET; | AF_INET; |
reinterpret_cast<struct sockaddr_in*>(_rep->address)->sin_port = | reinterpret_cast<struct sockaddr_in*>(_rep->address)->sin_port = |
htons(_portNumber); | htons(_portNumber); |
} | } |
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else |
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{ |
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PEGASUS_ASSERT(false); |
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} |
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// Create socket: | // Create socket: |
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if (_localConnection) |
if (_connectionType == LOCAL_CONNECTION) |
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{ |
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_rep->socket = Socket::createSocket(AF_UNIX, SOCK_STREAM, 0); |
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} |
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#ifdef PEGASUS_ENABLE_IPV6 |
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else if (_connectionType == IPV6_CONNECTION) |
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{ |
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_rep->socket = Socket::createSocket(PF_INET6, SOCK_STREAM, IPPROTO_TCP); |
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} |
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#endif |
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else if (_connectionType == IPV4_CONNECTION) |
{ | { |
_rep->socket = socket(AF_UNIX, SOCK_STREAM, 0); |
_rep->socket = Socket::createSocket(PF_INET, SOCK_STREAM, IPPROTO_TCP); |
} | } |
else | else |
{ | { |
_rep->socket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP); |
PEGASUS_ASSERT(false); |
} | } |
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if (_rep->socket < 0) | if (_rep->socket < 0) |
{ | { |
delete _rep; | delete _rep; |
_rep = 0; | _rep = 0; |
throw BindFailedException("Failed to create socket"); |
MessageLoaderParms parms("Common.HTTPAcceptor.FAILED_CREATE_SOCKET", |
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"Failed to create socket"); |
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throw BindFailedException(parms); |
} | } |
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Socket::disableBlocking(_rep->socket); |
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// set the close-on-exec bit for this file handle. | // set the close-on-exec bit for this file handle. |
// any unix that forks needs this bit set. | // any unix that forks needs this bit set. |
#ifndef PEGASUS_PLATFORM_WIN32_IX86_MSVC |
#if !defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_OS_VMS) |
int sock_flags; | int sock_flags; |
if( (sock_flags = fcntl(_rep->socket, F_GETFD, 0)) < 0) | if( (sock_flags = fcntl(_rep->socket, F_GETFD, 0)) < 0) |
{ | { |
PEG_TRACE_STRING(TRC_HTTP, Tracer::LEVEL2, |
PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL1, |
"HTTPAcceptor: fcntl(F_GETFD) failed"); |
"HTTPAcceptor::_bind: fcntl(F_GETFD) failed"); |
} | } |
else | else |
{ | { |
sock_flags |= FD_CLOEXEC; | sock_flags |= FD_CLOEXEC; |
if (fcntl(_rep->socket, F_SETFD, sock_flags) < 0) | if (fcntl(_rep->socket, F_SETFD, sock_flags) < 0) |
{ | { |
PEG_TRACE_STRING(TRC_HTTP, Tracer::LEVEL2, |
PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL1, |
"HTTPAcceptor: fcntl(F_SETFD) failed"); |
"HTTPAcceptor::_bind: fcntl(F_SETFD) failed"); |
} | } |
} | } |
#endif | #endif |
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if (setsockopt(_rep->socket, SOL_SOCKET, SO_REUSEADDR, | if (setsockopt(_rep->socket, SOL_SOCKET, SO_REUSEADDR, |
(char *)&opt, sizeof(opt)) < 0) | (char *)&opt, sizeof(opt)) < 0) |
{ | { |
Socket::close(_rep->socket); |
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delete _rep; | delete _rep; |
_rep = 0; | _rep = 0; |
throw BindFailedException("Failed to set socket option"); |
MessageLoaderParms parms("Common.HTTPAcceptor.FAILED_SET_SOCKET_OPTION", |
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"Failed to set socket option"); |
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throw BindFailedException(parms); |
} | } |
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// Bind socket to port: |
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| |
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// |
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// Bind socket to port: |
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// |
if (::bind(_rep->socket, _rep->address, _rep->address_size) < 0) | if (::bind(_rep->socket, _rep->address, _rep->address_size) < 0) |
{ | { |
Socket::close(_rep->socket); |
MessageLoaderParms parms( |
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"Common.HTTPAcceptor.FAILED_BIND_SOCKET_DETAIL", |
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"Failed to bind socket on port $0: $1.", |
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_portNumber, PEGASUS_SYSTEM_NETWORK_ERRORMSG_NLS); |
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delete _rep; | delete _rep; |
_rep = 0; | _rep = 0; |
throw BindFailedException("Failed to bind socket"); |
throw BindFailedException(parms); |
} | } |
| |
|
|
|
// |
|
// Get the actual port value used if the caller specified a port value of 0. |
|
// |
|
if (_portNumber == 0) |
|
{ |
|
sockaddr_in buf; |
|
SocketLength bufSize = sizeof(buf); |
|
if (getsockname(_rep->socket, reinterpret_cast<sockaddr *>(&buf), |
|
&bufSize) == 0 ) |
|
{ |
|
_portNumber = ntohs(buf.sin_port); |
|
} |
|
} |
|
|
|
|
|
// |
|
// Change permissions on Linux local domain socket to allow writes by |
|
// others. |
|
// |
|
#if !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET) && \ |
|
(defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU) || \ |
|
defined(PEGASUS_OS_ZOS) || \ |
|
defined(PEGASUS_OS_PASE)) |
|
if (_connectionType == LOCAL_CONNECTION) |
|
{ |
|
if (::chmod(PEGASUS_LOCAL_DOMAIN_SOCKET_PATH, |
|
S_IRUSR | S_IWUSR | S_IXUSR | |
|
S_IRGRP | S_IWGRP | S_IXGRP | |
|
S_IROTH | S_IWOTH | S_IXOTH ) < 0 ) |
|
{ |
|
MessageLoaderParms parms( |
|
"Common.HTTPAcceptor.FAILED_SET_LDS_FILE_OPTION", |
|
"Failed to set permission on local domain socket $0: $1.", |
|
PEGASUS_LOCAL_DOMAIN_SOCKET_PATH, |
|
PEGASUS_SYSTEM_ERRORMSG_NLS ); |
|
|
|
delete _rep; |
|
_rep = 0; |
|
throw BindFailedException(parms); |
|
} |
|
} |
|
#endif |
|
|
// Set up listening on the given socket: | // Set up listening on the given socket: |
| |
int const MAX_CONNECTION_QUEUE_LENGTH = 5; |
//int const _maxConnectionQueueLength = 15; |
| |
if (listen(_rep->socket, MAX_CONNECTION_QUEUE_LENGTH) < 0) |
if (::listen(_rep->socket, _maxConnectionQueueLength) < 0) |
{ | { |
Socket::close(_rep->socket); |
MessageLoaderParms parms( |
|
"Common.HTTPAcceptor.FAILED_LISTEN_SOCKET", |
|
"Failed to listen on socket $0: $1.", |
|
(int)_rep->socket,PEGASUS_SYSTEM_NETWORK_ERRORMSG_NLS ); |
|
|
delete _rep; | delete _rep; |
_rep = 0; | _rep = 0; |
throw BindFailedException("Failed to bind socket"); |
throw BindFailedException(parms); |
} | } |
| |
// Register to receive SocketMessages on this socket: | // Register to receive SocketMessages on this socket: |
|
|
_rep->socket, | _rep->socket, |
SocketMessage::READ | SocketMessage::EXCEPTION, | SocketMessage::READ | SocketMessage::EXCEPTION, |
getQueueId(), | getQueueId(), |
Monitor::ACCEPTOR))) |
MonitorEntry::TYPE_ACCEPTOR))) |
{ | { |
Socket::close(_rep->socket); |
|
delete _rep; | delete _rep; |
_rep = 0; | _rep = 0; |
throw BindFailedException("Failed to solicit socket messaeges"); |
MessageLoaderParms parms( |
|
"Common.HTTPAcceptor.FAILED_SOLICIT_SOCKET_MESSAGES", |
|
"Failed to solicit socket messaeges"); |
|
throw BindFailedException(parms); |
} | } |
} | } |
| |
|
|
if (_rep) | if (_rep) |
{ | { |
// unregister the socket | // unregister the socket |
_monitor->unsolicitSocketMessages(_rep->socket); |
|
|
// ATTN - comment out - see CIMServer::stopClientConnection() |
|
//_monitor->unsolicitSocketMessages(_rep->socket); |
| |
// close the socket | // close the socket |
Socket::close(_rep->socket); |
_rep->closeSocket(); |
|
// Unlink Local Domain Socket Bug# 3312 |
|
if (_connectionType == LOCAL_CONNECTION) |
|
{ |
|
#ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET |
|
PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL3, |
|
"HTTPAcceptor::closeConnectionSocket Unlinking local " |
|
"connection."); |
|
::unlink( |
|
reinterpret_cast<struct sockaddr_un*> |
|
(_rep->address)->sun_path); |
|
#else |
|
PEGASUS_ASSERT(false); |
|
#endif |
|
} |
|
} |
|
else |
|
{ |
|
PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL2, |
|
"HTTPAcceptor::closeConnectionSocket failure _rep is null."); |
} | } |
} | } |
| |
|
|
{ | { |
_bind(); | _bind(); |
} | } |
|
else |
|
{ |
|
PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL1, |
|
"HTTPAcceptor::reopenConnectionSocket failure _rep is null."); |
|
} |
|
} |
|
|
|
|
|
/** |
|
reconnectConnectionSocket - creates a new server socket. |
|
*/ |
|
void HTTPAcceptor::reconnectConnectionSocket() |
|
{ |
|
if (_rep) |
|
{ |
|
// unregister the socket |
|
_monitor->unsolicitSocketMessages(_rep->socket); |
|
// close the socket |
|
_rep->closeSocket(); |
|
// Unlink Local Domain Socket |
|
if (_connectionType == LOCAL_CONNECTION) |
|
{ |
|
#ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET |
|
PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL3, |
|
"HTTPAcceptor::reconnectConnectionSocket Unlinking local " |
|
"connection." ); |
|
::unlink( |
|
reinterpret_cast<struct sockaddr_un*>( |
|
_rep->address)->sun_path); |
|
#else |
|
PEGASUS_ASSERT(false); |
|
#endif |
|
} |
|
// open the socket |
|
_bind(); |
|
} |
|
else |
|
{ |
|
PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL1, |
|
"HTTPAcceptor::reconnectConnectionSocket failure _rep is null."); |
|
} |
} | } |
| |
/** | /** |
getOutstandingRequestCount - returns the number of outstanding requests. | getOutstandingRequestCount - returns the number of outstanding requests. |
*/ | */ |
Uint32 HTTPAcceptor::getOutstandingRequestCount() |
Uint32 HTTPAcceptor::getOutstandingRequestCount() const |
{ | { |
Uint32 count = 0; | Uint32 count = 0; |
|
if (_rep) |
_rep->_connection_mut.lock(pegasus_thread_self()); |
{ |
if (_rep->connections.size() > 0) |
AutoMutex autoMut(_rep->_connection_mut); |
|
for (Uint32 i = 0, n = _rep->connections.size(); i < n; i++) |
|
{ |
|
HTTPConnection* connection = _rep->connections[i]; |
|
if (connection->isResponsePending()) |
{ | { |
HTTPConnection* connection = _rep->connections[0]; |
count++; |
count = connection->getRequestCount(); |
} |
|
} |
} | } |
_rep->_connection_mut.unlock(); |
|
return count; | return count; |
} | } |
| |
|
|
|
/** |
|
getPortNumber - returns the port number used for the connection |
|
*/ |
|
Uint32 HTTPAcceptor::getPortNumber() const |
|
{ |
|
return _portNumber; |
|
} |
|
|
|
void HTTPAcceptor::setSocketWriteTimeout(Uint32 socketWriteTimeout) |
|
{ |
|
#ifndef PEGASUS_INTEGERS_BOUNDARY_ALIGNED |
|
AutoMutex lock(_socketWriteTimeoutMutex); |
|
#endif |
|
_socketWriteTimeout = socketWriteTimeout; |
|
} |
|
|
void HTTPAcceptor::unbind() | void HTTPAcceptor::unbind() |
{ | { |
if (_rep) | if (_rep) |
{ | { |
Socket::close(_rep->socket); |
_portNumber = 0; |
|
_rep->closeSocket(); |
| |
if (_localConnection) |
if (_connectionType == LOCAL_CONNECTION) |
{ | { |
#ifdef PEGASUS_LOCAL_DOMAIN_SOCKET |
#ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET |
::unlink( | ::unlink( |
reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_path); |
reinterpret_cast<struct sockaddr_un*> |
|
(_rep->address)->sun_path); |
#else | #else |
PEGASUS_ASSERT(false); | PEGASUS_ASSERT(false); |
#endif | #endif |
|
|
delete _rep; | delete _rep; |
_rep = 0; | _rep = 0; |
} | } |
|
else |
|
{ |
|
PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL1, |
|
"HTTPAcceptor::unbind failure _rep is null." ); |
|
} |
} | } |
| |
void HTTPAcceptor::destroyConnections() | void HTTPAcceptor::destroyConnections() |
{ | { |
|
if (_rep) |
|
{ |
// For each connection created by this object: | // For each connection created by this object: |
| |
_rep->_connection_mut.lock(pegasus_thread_self()); |
AutoMutex autoMut(_rep->_connection_mut); |
for (Uint32 i = 0, n = _rep->connections.size(); i < n; i++) | for (Uint32 i = 0, n = _rep->connections.size(); i < n; i++) |
{ | { |
HTTPConnection* connection = _rep->connections[i]; | HTTPConnection* connection = _rep->connections[i]; |
Sint32 socket = connection->getSocket(); |
SocketHandle socket = connection->getSocket(); |
| |
// Unsolicit SocketMessages: | // Unsolicit SocketMessages: |
| |
|
|
| |
// Destroy the connection (causing it to close): | // Destroy the connection (causing it to close): |
| |
while (connection->refcount.value()) { } |
while (connection->refcount.get()) { } |
delete connection; | delete connection; |
} | } |
| |
_rep->connections.clear(); | _rep->connections.clear(); |
_rep->_connection_mut.unlock(); |
} |
} | } |
| |
void HTTPAcceptor::_acceptConnection() | void HTTPAcceptor::_acceptConnection() |
|
|
| |
PEGASUS_ASSERT(_rep != 0); | PEGASUS_ASSERT(_rep != 0); |
| |
if (!_rep) |
|
return; |
|
|
|
// Accept the connection (populate the address): | // Accept the connection (populate the address): |
| |
struct sockaddr* accept_address; | struct sockaddr* accept_address; |
#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) |
SocketLength address_size; |
size_t address_size; |
|
#elif defined(PEGASUS_PLATFORM_AIX_RS_IBMCXX) || defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU) |
|
socklen_t address_size; |
|
#else |
|
int address_size; |
|
#endif |
|
| |
if (_localConnection) |
if (_connectionType == LOCAL_CONNECTION) |
{ | { |
#ifdef PEGASUS_LOCAL_DOMAIN_SOCKET |
#ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET |
accept_address = reinterpret_cast<struct sockaddr*>(new struct sockaddr_un); |
accept_address = |
|
reinterpret_cast<struct sockaddr*>(new struct sockaddr_un); |
address_size = sizeof(struct sockaddr_un); | address_size = sizeof(struct sockaddr_un); |
#else | #else |
PEGASUS_ASSERT(false); | PEGASUS_ASSERT(false); |
|
|
} | } |
else | else |
{ | { |
accept_address = reinterpret_cast<struct sockaddr*>(new struct sockaddr_in); |
#ifdef PEGASUS_ENABLE_IPV6 |
|
accept_address = |
|
reinterpret_cast<struct sockaddr*> |
|
(new struct sockaddr_storage); |
|
address_size = sizeof(struct sockaddr_storage); |
|
#else |
|
accept_address = |
|
reinterpret_cast<struct sockaddr*>(new struct sockaddr_in); |
address_size = sizeof(struct sockaddr_in); | address_size = sizeof(struct sockaddr_in); |
|
#endif |
} | } |
| |
Sint32 socket = accept(_rep->socket, accept_address, &address_size); |
// It is not necessary to handle EINTR errors from this accept() call. |
|
// An EINTR error should not occur on a non-blocking socket. If the |
|
// listen socket is blocking and EINTR occurs, the new socket connection |
|
// is not accepted here. |
| |
|
// EAGAIN errors are also not handled here. An EAGAIN error should not |
|
// occur after select() indicates that the listen socket is available for |
|
// reading. If the accept() fails with an EAGAIN error code, a new |
|
// connection is not accepted here. |
|
|
|
SocketHandle socket = accept(_rep->socket, accept_address, &address_size); |
|
|
|
if (socket == PEGASUS_SOCKET_ERROR) |
|
{ |
|
// the remote connection is invalid, destroy client address. |
delete accept_address; | delete accept_address; |
| |
if (socket < 0) |
// TCPIP is down reconnect this acceptor |
|
if (getSocketError() == PEGASUS_NETWORK_TCPIP_STOPPED) |
{ | { |
Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE, |
PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL1, |
"HTTPAcceptor - accept() failure. errno: $0" |
"Socket has an IO error. TCP/IP down. Try to reconnect."); |
,errno); |
|
|
reconnectConnectionSocket(); |
| |
PEG_TRACE_STRING(TRC_HTTP, Tracer::LEVEL2, |
|
"HTTPAcceptor: accept() failed"); |
|
return; | return; |
} | } |
|
PEG_TRACE(( |
|
TRC_DISCARDED_DATA, |
|
Tracer::LEVEL1, |
|
"HTTPAcceptor: accept() failed. errno: %u", |
|
errno)); |
|
return; |
|
} |
|
|
|
// Use an AutoPtr to ensure the socket handle is closed on exception |
|
AutoPtr<SocketHandle, CloseSocketHandle> socketPtr(&socket); |
|
|
|
#ifndef PEGASUS_OS_TYPE_WINDOWS |
|
// We need to ensure that the socket number is not higher than |
|
// what fits into FD_SETSIZE, because we else won't be able to select on it |
|
// and won't ever communicate correct on that socket. |
|
if (socket >= FD_SETSIZE) |
|
{ |
|
// the remote connection is invalid, destroy client address. |
|
delete accept_address; |
|
|
|
PEG_TRACE( |
|
(TRC_DISCARDED_DATA, |
|
Tracer::LEVEL1, |
|
"HTTPAcceptor out of available sockets." |
|
"accept() returned too large socket number %u." |
|
"Closing connection to the new client.", |
|
socket)); |
|
|
|
return; |
|
} |
|
#endif |
|
|
|
String ipAddress; |
|
|
|
if (_connectionType == LOCAL_CONNECTION) |
|
{ |
|
ipAddress = "localhost"; |
|
} |
|
else |
|
{ |
|
#ifdef PEGASUS_ENABLE_IPV6 |
|
char ipBuffer[PEGASUS_INET6_ADDRSTR_LEN]; |
|
int rc; |
|
if ((rc = System::getNameInfo(accept_address, |
|
address_size, |
|
ipBuffer, |
|
PEGASUS_INET6_ADDRSTR_LEN, |
|
0, |
|
0, |
|
NI_NUMERICHOST))) |
|
{ |
|
PEG_TRACE(( |
|
TRC_DISCARDED_DATA, |
|
Tracer::LEVEL1, |
|
"HTTPAcceptor: getnameinfo() failed. rc: %d", |
|
rc)); |
|
delete accept_address; |
|
return; |
|
} |
|
ipAddress = ipBuffer; |
|
#else |
|
unsigned char* sa = reinterpret_cast<unsigned char*>( |
|
&reinterpret_cast<struct sockaddr_in*>( |
|
accept_address)->sin_addr.s_addr); |
|
char ipBuffer[32]; |
|
sprintf(ipBuffer, "%u.%u.%u.%u", sa[0], sa[1], sa[2], sa[3]); |
|
ipAddress = ipBuffer; |
|
#endif |
|
} |
|
|
|
delete accept_address; |
| |
// set the close on exec flag | // set the close on exec flag |
#ifndef PEGASUS_PLATFORM_WIN32_IX86_MSVC |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) && !defined(PEGASUS_OS_VMS) |
int sock_flags; | int sock_flags; |
if( (sock_flags = fcntl(socket, F_GETFD, 0)) < 0) | if( (sock_flags = fcntl(socket, F_GETFD, 0)) < 0) |
{ | { |
PEG_TRACE_STRING(TRC_HTTP, Tracer::LEVEL2, |
PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL1, |
"HTTPAcceptor: fcntl(F_GETFD) failed"); | "HTTPAcceptor: fcntl(F_GETFD) failed"); |
} | } |
else | else |
|
|
sock_flags |= FD_CLOEXEC; | sock_flags |= FD_CLOEXEC; |
if (fcntl(socket, F_SETFD, sock_flags) < 0) | if (fcntl(socket, F_SETFD, sock_flags) < 0) |
{ | { |
PEG_TRACE_STRING(TRC_HTTP, Tracer::LEVEL2, |
PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL1, |
"HTTPAcceptor: fcntl(F_SETFD) failed"); | "HTTPAcceptor: fcntl(F_SETFD) failed"); |
} | } |
} | } |
#endif | #endif |
| |
| |
Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE, |
PEG_TRACE(( |
"HTTPAcceptor - accept() success. Socket: $1" |
TRC_HTTP, |
,socket); |
Tracer::LEVEL3, |
|
"HTTPAcceptor - accept() success. Socket: %u", |
|
socket)); |
|
|
|
SharedPtr<MP_Socket> mp_socket(new MP_Socket( |
|
socket, _sslcontext, _sslContextObjectLock, ipAddress)); |
|
// mp_socket now has responsibility for closing the socket handle |
|
socketPtr.release(); |
|
|
|
mp_socket->disableBlocking(); |
| |
// Create a new conection and add it to the connection list: |
{ |
|
#ifndef PEGASUS_INTEGERS_BOUNDARY_ALIGNED |
|
AutoMutex lock(_socketWriteTimeoutMutex); |
|
#endif |
|
mp_socket->setSocketWriteTimeout(_socketWriteTimeout); |
|
} |
|
|
|
// Perform the SSL handshake, if applicable. |
| |
MP_Socket * mp_socket = new MP_Socket(socket, _sslcontext); |
Sint32 socketAcceptStatus = mp_socket->accept(); |
if (mp_socket->accept() < 0) |
|
|
if (socketAcceptStatus < 0) |
{ | { |
PEG_TRACE_STRING(TRC_HTTP, Tracer::LEVEL2, |
PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL1, |
"HTTPAcceptor: SSL_accept() failed"); | "HTTPAcceptor: SSL_accept() failed"); |
return; | return; |
} | } |
| |
HTTPConnection* connection = new HTTPConnection( |
// Create a new connection and add it to the connection list: |
_monitor, mp_socket, this, static_cast<MessageQueue *>(_outputMessageQueue)); |
|
|
AutoPtr<HTTPConnection> connection(new HTTPConnection( |
|
_monitor, |
|
mp_socket, |
|
ipAddress, |
|
this, |
|
_outputMessageQueue)); |
|
|
|
if (HTTPConnection::getIdleConnectionTimeout()) |
|
{ |
|
Time::gettimeofday(&connection->_idleStartTime); |
|
} |
|
|
|
if (socketAcceptStatus == 0) |
|
{ |
|
PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL1, |
|
"HTTPAcceptor: SSL_accept() pending"); |
|
connection->_acceptPending = true; |
|
Time::gettimeofday(&connection->_acceptPendingStartTime); |
|
} |
| |
// Solicit events on this new connection's socket: | // Solicit events on this new connection's socket: |
int index; | int index; |
| |
if (-1 == (index = _monitor->solicitSocketMessages( | if (-1 == (index = _monitor->solicitSocketMessages( |
socket, |
connection->getSocket(), |
SocketMessage::READ | SocketMessage::EXCEPTION, | SocketMessage::READ | SocketMessage::EXCEPTION, |
connection->getQueueId(), Monitor::CONNECTION)) ) |
connection->getQueueId(), MonitorEntry::TYPE_CONNECTION)) ) |
{ | { |
delete connection; |
PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL1, |
Socket::close(socket); |
"HTTPAcceptor::_acceptConnection: Attempt to allocate entry in " |
|
"_entries table failed."); |
|
return; |
} | } |
| |
// Save the socket for cleanup later: |
|
connection->_entry_index = index; | connection->_entry_index = index; |
_rep->_connection_mut.lock(pegasus_thread_self()); |
AutoMutex autoMut(_rep->_connection_mut); |
_rep->connections.append(connection); |
_rep->connections.append(connection.get()); |
_rep->_connection_mut.unlock(); |
connection.release(); |
} | } |
| |
PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |