pegasus/src/Pegasus/Common/HTTPAcceptor.cpp - diff

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Diff for /pegasus/src/Pegasus/Common/HTTPAcceptor.cpp between version 1.61 and 1.122

version 1.61, 2005/02/15 01:28:51

version 1.122, 2008/05/15 17:24:34

Line 1

//%2005////////////////////////////////////////////////////////////////////////

//%2006////////////////////////////////////////////////////////////////////////

// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.

Line 8

// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; Symantec Corporation; The Open Group.

// 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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//==============================================================================

// Author: Mike Brasher (mbrasher@bmc.com)

// Modified By:

// Jenny Yu, Hewlett-Packard Company (jenny_yu@hp.com)

// Nag Boranna, Hewlett-Packard Company (nagaraja_boranna@hp.com)

// Dave Rosckes (rosckes@us.ibm.com)

// Denise Eckstein (denise.eckstein@hp.com)

// Alagaraja Ramasubramanian (alags_raj@in.ibm.com) for Bug#1090

// Amit Arora, IBM (amita@in.ibm.com) for Bug#2541

// Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)

// Sean Keenan, Hewlett-Packard Company (sean.keenan@hp.com)

//%/////////////////////////////////////////////////////////////////////////////

#include "Config.h"

#include "Constants.h"

#include <iostream>

#include "Socket.h"

#ifdef PEGASUS_PLATFORM_WIN32_IX86_MSVC

#include <windows.h>

#else

# include <cctype>

# include <cstdlib>

# include <errno.h>

# include <fcntl.h>

# include <netdb.h>

# include <netinet/in.h>

# include <arpa/inet.h>

# include <sys/socket.h>

# ifdef PEGASUS_LOCAL_DOMAIN_SOCKET

# include <unistd.h>

# include <sys/un.h>

# endif

#endif

#include "Network.h"

#include "Socket.h"

#include "TLS.h"

#include "HTTPAcceptor.h"

#include "HTTPConnection.h"

#include "HostAddress.h"

#include "Tracer.h"

#include <Pegasus/Common/MessageLoader.h> //l10n

#include <Pegasus/Common/MessageLoader.h>

#ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM

#ifdef PEGASUS_OS_PASE

#include "OS400ConvertChar.h"

# include <as400_protos.h>

# include <Pegasus/Common/PaseCcsid.h>

#endif

PEGASUS_USING_STD;

PEGASUS_NAMESPACE_BEGIN

static int MAX_CONNECTION_QUEUE_LENGTH = -1;

static int _maxConnectionQueueLength = -1;

////////////////////////////////////////////////////////////////////////////////

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class HTTPAcceptorRep

{

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 =

reinterpret_cast<struct sockaddr*>(new struct sockaddr_un);

address_size = sizeof(struct sockaddr_un);

#else

PEGASUS_ASSERT(false);

#endif

}

else

#ifdef PEGASUS_ENABLE_IPV6

else if (connectionType == HTTPAcceptor::IPV6_CONNECTION)

{

address =

reinterpret_cast<struct sockaddr*>(new struct sockaddr_in6);

address_size = sizeof(struct sockaddr_in6);

}

#endif

else if (connectionType == HTTPAcceptor::IPV4_CONNECTION)

{

address = reinterpret_cast<struct sockaddr*>(new struct sockaddr_in);

address =

reinterpret_cast<struct sockaddr*>(new struct sockaddr_in);

address_size = sizeof(struct sockaddr_in);

}

else

{

PEGASUS_ASSERT(false);

}

~HTTPAcceptorRep()

{

closeSocket();

delete address;

}

void closeSocket()

{

Socket::close(socket);

}

struct sockaddr* address;

#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) || defined(PEGASUS_OS_VMS)

SocketLength address_size;

size_t address_size;

#elif defined(PEGASUS_PLATFORM_AIX_RS_IBMCXX) || defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU) || (defined(PEGASUS_PLATFORM_SOLARIS_SPARC_CC) && !defined(SUNOS_5_6))

socklen_t address_size;

#else

int address_size;

#endif

Mutex _connection_mut;

Sint32 socket;

SocketHandle socket;

Array<HTTPConnection*> connections;

};

////////////////////////////////////////////////////////////////////////////////

// HTTPAcceptor

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HTTPAcceptor::HTTPAcceptor(Monitor* monitor,

MessageQueue* outputMessageQueue,

Boolean localConnection,

Uint16 connectionType,

Uint32 portNumber,

SSLContext * sslcontext,

Boolean exportConnection,

ReadWriteSem* sslContextObjectLock)

: Base(PEGASUS_QUEUENAME_HTTPACCEPTOR), // ATTN: Need unique names?

_monitor(monitor),

_outputMessageQueue(outputMessageQueue),

_rep(0),

_entry_index(-1),

_localConnection(localConnection),

_connectionType(connectionType),

_portNumber(portNumber),

_sslcontext(sslcontext),

_exportConnection(exportConnection),

_sslContextObjectLock(sslContextObjectLock),

_sslContextObjectLock(sslContextObjectLock)

_idleConnectionTimeoutSeconds(0)

{

PEGASUS_ASSERT(!_sslcontext == !_sslContextObjectLock);

Socket::initializeInterface();

Platforms interpret the value of MAX_CONNECTION_QUEUE_LENGTH differently. Some platforms interpret

Platforms interpret the value of _maxConnectionQueueLength

the value literally, while others multiply a fudge factor. When the server is under

differently. Some platforms interpret the value literally, while

stress from multiple clients with multiple requests, toggling this number may prevent clients from

others multiply a fudge factor. When the server is under stress from

being dropped. Instead of hard coding the value, we allow an environment variable to be set which

multiple clients with multiple requests, toggling this number may

specifies a number greater than the maximum concurrent client connections possible. If this environment

prevent clients from being dropped. Instead of hard coding the

var is not specified, then MAX_CONNECTION_QUEUE_LENGTH = 15.

value, we allow an environment variable to be set which specifies a

number greater than the maximum concurrent client connections

possible. If this environment var is not specified, then

_maxConnectionQueueLength = 15.

//To engage runtime backlog queue length: uncomment the following block AND comment out the line MAX_CONNECTION_QUEUE_LENGTH = 15

//To engage runtime backlog queue length: uncomment the following block AND

//comment out the line _maxConnectionQueueLength = 15

if(MAX_CONNECTION_QUEUE_LENGTH == -1){

if (_maxConnectionQueueLength == -1)

#ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM

{

#pragma convert(37)

const char* env = getenv("PEGASUS_MAX_BACKLOG_CONNECTION_QUEUE");

EtoA(env);

#pragma convert(0)

#else

const char* env = getenv("PEGASUS_MAX_BACKLOG_CONNECTION_QUEUE");

#endif

if (!env)

if(!env){

{

MAX_CONNECTION_QUEUE_LENGTH = 15;

_maxConnectionQueueLength = 15;

}else{

}

else

{

char *end = NULL;

MAX_CONNECTION_QUEUE_LENGTH = strtol(env, &end, 10);

_maxConnectionQueueLength = strtol(env, &end, 10);

if(*end)

MAX_CONNECTION_QUEUE_LENGTH = 15;

_maxConnectionQueueLength = 15;

cout << " MAX_CONNECTION_QUEUE_LENGTH = " << MAX_CONNECTION_QUEUE_LENGTH << endl;

cout << " _maxConnectionQueueLength = " <<

_maxConnectionQueueLength << endl;

}

MAX_CONNECTION_QUEUE_LENGTH = 15;

#ifdef PEGASUS_WMIMAPPER

//The WMI Mapper can be used as a proxy to multiple WMI Servers.

//If a client application simultaneously initiates connections

//to many Windows systems, many of these connections may be routed

//to a single WMI Mapper. A larger _maxConnectionQueueLength

//value is required to allow these connections to be initiated

//successfully.

_maxConnectionQueueLength = 40;

#else

_maxConnectionQueueLength = 15;

#endif

}

HTTPAcceptor::~HTTPAcceptor()

{

destroyConnections();

unbind();

// ATTN: Is this correct in a multi-HTTPAcceptor server?

Socket::uninitializeInterface();

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if (! message)

return;

PEGASUS_ASSERT(_rep != 0);

switch (message->getType())

{

case SOCKET_MESSAGE:

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SocketMessage* socketMessage = (SocketMessage*)message;

// If this is a connection request:

PEGASUS_ASSERT(socketMessage->socket == _rep->socket);

PEGASUS_ASSERT(socketMessage->events & SocketMessage::READ);

if (socketMessage->socket == _rep->socket &&

socketMessage->events | SocketMessage::READ)

{

_acceptConnection();

}

else

{

// ATTN! this can't happen!

Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor::handleEnqueue: Invalid SOCKET_MESSAGE received.");

}

break;

}

case CLOSE_CONNECTION_MESSAGE:

{

CloseConnectionMessage* closeConnectionMessage

CloseConnectionMessage* closeConnectionMessage =

= (CloseConnectionMessage*)message;

(CloseConnectionMessage*)message;

AutoMutex autoMut(_rep->_connection_mut);

for (Uint32 i = 0, n = _rep->connections.size(); i < n; i++)

{

HTTPConnection* connection = _rep->connections[i];

Sint32 socket = connection->getSocket();

SocketHandle socket = connection->getSocket();

if (socket == closeConnectionMessage->socket)

{

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}

default:

// ATTN: need unexpected message error!

PEGASUS_ASSERT(false);

Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor::handleEnqueue: Invalid MESSAGE received.");

break;

};

}

delete message;

}

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void HTTPAcceptor::handleEnqueue()

{

Message* message = dequeue();

if (!message)

{

Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor::handleEnqueue(): No message on queue.");

return;

}

handleEnqueue(message);

}

void HTTPAcceptor::bind()

{

if (_rep){

if (_rep)

//l10n

{

//throw BindFailedException("HTTPAcceptor already bound");

MessageLoaderParms parms("Common.HTTPAcceptor.ALREADY_BOUND",

"HTTPAcceptor already bound");

Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor::bind: HTTPAcceptor already bound.");

throw BindFailedException(parms);

}

_rep = new HTTPAcceptorRep(_localConnection);

_rep = new HTTPAcceptorRep(_connectionType);

// bind address

_bind();

return;

}

/**

_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()

{

#ifdef PEGASUS_OS_PASE

// bind need ccsid is 819

int orig_ccsid;

orig_ccsid = _SETCCSID(-1);

if (orig_ccsid == -1)

{

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

String("HTTPAcceptor::_bind: Can not get current PASE CCSID."));

orig_ccsid = 1208;

}

PaseCcsid ccsid(819, orig_ccsid);

#endif

PEGASUS_ASSERT(_rep != 0);

// Create address:

memset(_rep->address, 0, _rep->address_size);

memset(_rep->address, 0, sizeof(*_rep->address));

if (_connectionType == LOCAL_CONNECTION)

if (_localConnection)

{

#ifdef PEGASUS_LOCAL_DOMAIN_SOCKET

#ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET

// Make sure the local domain socket can be owned by the cimserver

// user. Otherwise, the bind may fail with a vague "bind failed"

// error.

if (System::exists(PEGASUS_LOCAL_DOMAIN_SOCKET_PATH))

{

if (!System::removeFile(PEGASUS_LOCAL_DOMAIN_SOCKET_PATH))

{

throw CannotRemoveFile(PEGASUS_LOCAL_DOMAIN_SOCKET_PATH);

}

reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_family =

AF_UNIX;

strcpy(reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_path,

PEGASUS_LOCAL_DOMAIN_SOCKET_PATH);

#ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM

AtoE(reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_path);

#endif

::unlink(reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_path);

#else

PEGASUS_ASSERT(false);

#endif

}

else

#ifdef PEGASUS_ENABLE_IPV6

else if (_connectionType == IPV6_CONNECTION)

{

reinterpret_cast<struct sockaddr_in6*>(_rep->address)->sin6_addr =

in6addr_any;

reinterpret_cast<struct sockaddr_in6*>(_rep->address)->sin6_family =

AF_INET6;

reinterpret_cast<struct sockaddr_in6*>(_rep->address)->sin6_port =

htons(_portNumber);

}

#endif

else if(_connectionType == IPV4_CONNECTION)

{

reinterpret_cast<struct sockaddr_in*>(_rep->address)->sin_addr.s_addr =

INADDR_ANY;

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reinterpret_cast<struct sockaddr_in*>(_rep->address)->sin_port =

htons(_portNumber);

}

else

{

PEGASUS_ASSERT(false);

}

// Create socket:

if (_localConnection)

if (_connectionType == LOCAL_CONNECTION)

{

_rep->socket = Socket::createSocket(AF_UNIX, SOCK_STREAM, 0);

}

#ifdef PEGASUS_ENABLE_IPV6

else if (_connectionType == IPV6_CONNECTION)

{

_rep->socket = socket(AF_UNIX, SOCK_STREAM, 0);

_rep->socket = Socket::createSocket(PF_INET6, SOCK_STREAM, IPPROTO_TCP);

}

#endif

else if (_connectionType == IPV4_CONNECTION)

{

_rep->socket = Socket::createSocket(PF_INET, SOCK_STREAM, IPPROTO_TCP);

}

else

{

_rep->socket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);

PEGASUS_ASSERT(false);

}

if (_rep->socket < 0)

{

delete _rep;

_rep = 0;

//l10n

//throw BindFailedException("Failed to create socket");

MessageLoaderParms parms("Common.HTTPAcceptor.FAILED_CREATE_SOCKET",

"Failed to create socket");

Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor::_bind _rep->socket < 0");

throw BindFailedException(parms);

}

Socket::disableBlocking(_rep->socket);

// set the close-on-exec bit for this file handle.

// any unix that forks needs this bit set.

#if !defined PEGASUS_PLATFORM_WIN32_IX86_MSVC && !defined(PEGASUS_OS_VMS)

#if !defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_OS_VMS)

int sock_flags;

if( (sock_flags = fcntl(_rep->socket, F_GETFD, 0)) < 0)

{

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor::_bind: fcntl(F_GETFD) failed");

}

else

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sock_flags |= FD_CLOEXEC;

if (fcntl(_rep->socket, F_SETFD, sock_flags) < 0)

{

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor::_bind: fcntl(F_SETFD) failed");

}

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if (setsockopt(_rep->socket, SOL_SOCKET, SO_REUSEADDR,

(char *)&opt, sizeof(opt)) < 0)

{

Socket::close(_rep->socket);

delete _rep;

_rep = 0;

//l10n

//throw BindFailedException("Failed to set socket option");

MessageLoaderParms parms("Common.HTTPAcceptor.FAILED_SET_SOCKET_OPTION",

"Failed to set socket option");

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor::_bind: Failed to set socket option.");

throw BindFailedException(parms);

}

// Bind socket to port:

if (::bind(_rep->socket, _rep->address, _rep->address_size) < 0)

{

Socket::close(_rep->socket);

MessageLoaderParms parms(

"Common.HTTPAcceptor.FAILED_BIND_SOCKET_DETAIL",

"Failed to bind socket on port $0: $1.",

_portNumber, PEGASUS_SYSTEM_NETWORK_ERRORMSG_NLS);

delete _rep;

_rep = 0;

//l10n

//throw BindFailedException("Failed to bind socket");

MessageLoaderParms parms("Common.HTTPAcceptor.FAILED_BIND_SOCKET",

"Failed to bind socket");

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor::_bind: Failed to bind socket.");

throw BindFailedException(parms);

}

// Change permissions on Linux local domain socket to allow writes by others.

// Get the actual port value used if the caller specified a port value of 0.

#if defined(PEGASUS_LOCAL_DOMAIN_SOCKET) && defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU)

if (_portNumber == 0)

if (_localConnection)

{

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_PLATFORM_ZOS_ZSERIES_IBM) || \

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 )

{

Socket::close(_rep->socket);

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;

//l10n

//throw BindFailedException("Failed to bind socket");

MessageLoaderParms parms("Common.HTTPAcceptor.FAILED_BIND_SOCKET",

"Failed to bind socket");

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor::_bind: Failed to set domain socket permissions.");

throw BindFailedException(parms);

}

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// Set up listening on the given socket:

//int const MAX_CONNECTION_QUEUE_LENGTH = 15;

//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;

_rep = 0;

//l10n

//throw BindFailedException("Failed to bind socket");

MessageLoaderParms parms("Common.HTTPAcceptor.FAILED_BIND_SOCKET",

"Failed to bind socket");

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor::_bind: Failed to bind socket(1).");

throw BindFailedException(parms);

}

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_rep->socket,

SocketMessage::READ | SocketMessage::EXCEPTION,

getQueueId(),

Monitor::ACCEPTOR)))

MonitorEntry::TYPE_ACCEPTOR)))

{

Socket::close(_rep->socket);

delete _rep;

_rep = 0;

//l10n

MessageLoaderParms parms(

//throw BindFailedException("Failed to solicit socket messaeges");

"Common.HTTPAcceptor.FAILED_SOLICIT_SOCKET_MESSAGES",

MessageLoaderParms parms("Common.HTTPAcceptor.FAILED_SOLICIT_SOCKET_MESSAGES",

"Failed to solicit socket messaeges");

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor::_bind: Failed to solicit socket messages(2).");

throw BindFailedException(parms);

}

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//_monitor->unsolicitSocketMessages(_rep->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::LEVEL2,

"HTTPAcceptor::closeConnectionSocket Unlinking local "

"connection.");

::unlink(

reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_path);

#else

PEGASUS_ASSERT(false);

#endif

}

else

{

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL2,

"HTTPAcceptor::closeConnectionSocket failure _rep is null." );

}

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}

else

{

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"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::LEVEL2,

"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::LEVEL2,

"HTTPAcceptor::reconnectConnectionSocket failure _rep is null.");

}

/**

getOutstandingRequestCount - returns the number of outstanding requests.

Uint32 HTTPAcceptor::getOutstandingRequestCount()

Uint32 HTTPAcceptor::getOutstandingRequestCount() const

{

Uint32 count = 0;

if (_rep)

{

AutoMutex autoMut(_rep->_connection_mut);

if (_rep->connections.size() > 0)

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();

}

return count;

}

/**

getPortNumber - returns the port number used for the connection

Uint32 HTTPAcceptor::getPortNumber() const

{

return _portNumber;

}

void HTTPAcceptor::setSocketWriteTimeout(Uint32 socketWriteTimeout)

{

_socketWriteTimeout = socketWriteTimeout;

}

void HTTPAcceptor::setIdleConnectionTimeout(Uint32 idleConnectionTimeoutSeconds)

{

_idleConnectionTimeoutSeconds = idleConnectionTimeoutSeconds;

}

void HTTPAcceptor::unbind()

{

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(

reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_path);

#else

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}

else

{

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL2,

"HTTPAcceptor::unbind failure _rep is null." );

}

void HTTPAcceptor::destroyConnections()

{

if (_rep)

{

// For each connection created by this object:

AutoMutex autoMut(_rep->_connection_mut);

for (Uint32 i = 0, n = _rep->connections.size(); i < n; i++)

{

HTTPConnection* connection = _rep->connections[i];

Sint32 socket = connection->getSocket();

SocketHandle socket = connection->getSocket();

// Unsolicit SocketMessages:

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Line 683

// Destroy the connection (causing it to close):

while (connection->refcount.value()) { }

while (connection->refcount.get()) { }

delete connection;

}

_rep->connections.clear();

}

void HTTPAcceptor::_acceptConnection()

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Line 697

PEGASUS_ASSERT(_rep != 0);

if (!_rep)

return;

// Accept the connection (populate the address):

struct sockaddr* accept_address;

#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) || defined(PEGASUS_OS_VMS)

SocketLength address_size;

size_t address_size;

#elif defined(PEGASUS_PLATFORM_AIX_RS_IBMCXX) || defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU) || (defined(PEGASUS_OS_SOLARIS) && !defined(SUNOS_5_6))

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);

#else

PEGASUS_ASSERT(false);

Line 616

Line 714

}

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);

#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;

if (socket < 0)

// TCPIP is down reconnect this acceptor

if (getSocketError() == PEGASUS_NETWORK_TCPIP_STOPPED)

{

PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"Socket has an IO error. TCP/IP down. Try to reconnect.");

Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE,

reconnectConnectionSocket();

"HTTPAcceptor - accept() failure. errno: $0"

,errno);

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

return;

"HTTPAcceptor: accept() failed");

}

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,

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

#if !defined PEGASUS_PLATFORM_WIN32_IX86_MSVC && !defined(PEGASUS_OS_VMS)

#if !defined(PEGASUS_OS_TYPE_WINDOWS) && !defined(PEGASUS_OS_VMS)

int sock_flags;

if( (sock_flags = fcntl(socket, F_GETFD, 0)) < 0)

{

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor: fcntl(F_GETFD) failed");

}

else

Line 649

Line 838

sock_flags |= FD_CLOEXEC;

if (fcntl(socket, F_SETFD, sock_flags) < 0)

{

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"HTTPAcceptor: fcntl(F_SETFD) failed");

}

#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));

// Create a new conection and add it to the connection list:

SharedPtr<MP_Socket> mp_socket(new MP_Socket(

socket, _sslcontext, _sslContextObjectLock, ipAddress));

// mp_socket now has responsibility for closing the socket handle

socketPtr.release();

AutoPtr<MP_Socket> mp_socket(new MP_Socket(socket, _sslcontext, _exportConnection));

mp_socket->disableBlocking();

mp_socket->setSocketWriteTimeout(_socketWriteTimeout);

Sint32 retVal;

// Perform the SSL handshake, if applicable.

if (_sslcontext)

Sint32 socketAcceptStatus = mp_socket->accept();

if (socketAcceptStatus < 0)

{

PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

// For SSL connections, obtain read lock to SSLContext object before

"HTTPAcceptor: SSL_accept() failed");

// calling the accept() method of MP_Socket.

return;

ReadLock rlock(*_sslContextObjectLock);

retVal = mp_socket->accept();

}

else

// Create a new connection and add it to the connection list:

AutoPtr<HTTPConnection> connection(new HTTPConnection(

_monitor,

mp_socket,

ipAddress,

this,

static_cast<MessageQueue *>(_outputMessageQueue)));

if (_idleConnectionTimeoutSeconds)

{

retVal = mp_socket->accept();

connection->_idleConnectionTimeoutSeconds =

_idleConnectionTimeoutSeconds;

Time::gettimeofday(&connection->_idleStartTime);

}

if (retVal < 0)

if (socketAcceptStatus == 0)

{

PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL2,

"HTTPAcceptor: SSL_accept() failed");

"HTTPAcceptor: SSL_accept() pending");

mp_socket->close();

connection->_acceptPending = true;

return;

Time::gettimeofday(&connection->_acceptPendingStartTime);

}

HTTPConnection* connection = new HTTPConnection(_monitor, mp_socket,

this, static_cast<MessageQueue *>(_outputMessageQueue), _exportConnection);

// Solicit events on this new connection's socket:

int index;

if (-1 == (index = _monitor->solicitSocketMessages(

connection->getSocket(),

SocketMessage::READ | SocketMessage::EXCEPTION,

connection->getQueueId(), Monitor::CONNECTION)) )

connection->getQueueId(), MonitorEntry::TYPE_CONNECTION)) )

{

// ATTN-DE-P2-2003100503::TODO::Need to enhance code to return

PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,

// an error message to Client application.

"HTTPAcceptor::_acceptConnection: Attempt to allocate entry in "

Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"_entries table failed.");

"HTTPAcceptor::_acceptConnection: Attempt to allocate entry in _entries table failed.");

delete connection;

Socket::close(socket);

return;

}

// Save the socket for cleanup later:

connection->_entry_index = index;

AutoMutex autoMut(_rep->_connection_mut);

_rep->connections.append(connection);

_rep->connections.append(connection.get());

connection.release();

}

PEGASUS_NAMESPACE_END

Legend:

Removed from v.1.61
changed lines
	Added in v.1.122

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