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Diff for /pegasus/src/Pegasus/Common/HTTPAcceptor.cpp between version 1.2 and 1.80

version 1.2, 2001/12/13 14:53:58 version 1.80, 2006/01/30 16:17:04
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 //%/////////////////////////////////////////////////////////////////////////////  //%2006////////////////////////////////////////////////////////////////////////
 // //
 // Copyright (c) 2000, 2001 BMC Software, Hewlett-Packard Company, IBM,  // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
 // The Open Group, Tivoli Systems  // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
   // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
   // IBM Corp.; EMC Corporation, The Open Group.
   // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
   // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
   // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
   // EMC Corporation; VERITAS Software Corporation; The Open Group.
   // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
   // 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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 // //
 // Modified By: // Modified By:
 //         Jenny Yu, Hewlett-Packard Company (jenny_yu@hp.com) //         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)
   //          Josephine Eskaline Joyce, IBM (jojustin@in.ibm.com) for Bug#2065
   //          David Dillard, Symantec Corp. (david_dillard@symantec.com)
   //          John Alex, IBM (johnalex@us.ibm.com) for Bug#3312
 // //
 //%///////////////////////////////////////////////////////////////////////////// //%/////////////////////////////////////////////////////////////////////////////
  
 #include "Config.h" #include "Config.h"
   #include "Constants.h"
 #include <iostream> #include <iostream>
 #include "Socket.h" #include "Socket.h"
  
 #ifdef PEGASUS_PLATFORM_WIN32_IX86_MSVC  #ifdef PEGASUS_OS_TYPE_WINDOWS
 # include <winsock.h>  #include <windows.h>
 #else #else
 # include <cctype> # include <cctype>
 # include <unistd.h>  
 # include <cstdlib> # include <cstdlib>
 # include <errno.h> # include <errno.h>
 # include <fcntl.h> # include <fcntl.h>
 # include <netdb.h> # include <netdb.h>
 # include <netinet/in.h> # include <netinet/in.h>
   # include <netinet/tcp.h>
 # include <arpa/inet.h> # include <arpa/inet.h>
 # include <sys/socket.h> # include <sys/socket.h>
   # ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET
   # include <unistd.h>
   #  include <sys/un.h>
   # endif
 #endif #endif
  
 #include "Socket.h" #include "Socket.h"
 #include "TLS.h" #include "TLS.h"
 #include "HTTPAcceptor.h" #include "HTTPAcceptor.h"
 #include "HTTPConnection.h" #include "HTTPConnection.h"
   #include "Tracer.h"
   #include <Pegasus/Common/MessageLoader.h> //l10n
   
   #ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM
   #include "OS400ConvertChar.h"
   #endif
   
  
 PEGASUS_USING_STD; PEGASUS_USING_STD;
  
 PEGASUS_NAMESPACE_BEGIN PEGASUS_NAMESPACE_BEGIN
  
   
   static int MAX_CONNECTION_QUEUE_LENGTH = -1;
   
 //////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
 // //
 // HTTPAcceptorRep // HTTPAcceptorRep
 // //
 //////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
  
 struct HTTPAcceptorRep  class HTTPAcceptorRep
   {
   public:
       HTTPAcceptorRep(Boolean local)
       {
           if (local)
 { {
     struct sockaddr_in address;  #ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET
     Sint32 socket;              address = reinterpret_cast<struct sockaddr*>(new struct sockaddr_un);
               address_size = sizeof(struct sockaddr_un);
   #else
               PEGASUS_ASSERT(false);
   #endif
           }
           else
           {
               address = reinterpret_cast<struct sockaddr*>(new struct sockaddr_in);
               address_size = sizeof(struct sockaddr_in);
           }
       }
       ~HTTPAcceptorRep()
       {
           delete address;
       }
       struct sockaddr* address;
   
       PEGASUS_SOCKLEN_T address_size;
       Mutex _connection_mut;
   
       PEGASUS_SOCKET socket;
     Array<HTTPConnection*> connections;     Array<HTTPConnection*> connections;
 }; };
  
   //------------------------------------------------------------------------------
   //
   // _setTCPNoDelay()
   //
   //------------------------------------------------------------------------------
   
   inline void _setTCPNoDelay(PEGASUS_SOCKET socket)
   {
       // This function disables "Nagle's Algorithm" also known as "the TCP delay
       // algorithm", which causes read operations to obtain whatever data is
       // already in the input queue and then wait a little longer to see if
       // more data arrives. This algorithm optimizes the case in which data is
       // sent in only one direction but severely impairs performance of round
       // trip servers. Disabling TCP delay is a standard technique for round
       // trip servers.
   
      int opt = 1;
      setsockopt(socket, IPPROTO_TCP, TCP_NODELAY, (char*)&opt, sizeof(opt));
   }
   
 //////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
 // //
 // HTTPAcceptor // HTTPAcceptor
 // //
 //////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
  
 HTTPAcceptor::HTTPAcceptor(Monitor* monitor, MessageQueue* outputMessageQueue)  HTTPAcceptor::HTTPAcceptor(Monitor* monitor,
     : _monitor(monitor), _outputMessageQueue(outputMessageQueue), _rep(0),                             MessageQueue* outputMessageQueue,
       _sslcontext(NULL)                             Boolean localConnection,
                              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),
        _portNumber(portNumber),
        _sslcontext(sslcontext),
        _exportConnection(exportConnection),
        _sslContextObjectLock(sslContextObjectLock)
 { {
     Socket::initializeInterface();     Socket::initializeInterface();
   
      /*
           Platforms interpret the value of MAX_CONNECTION_QUEUE_LENGTH differently.  Some platforms interpret
           the value literally, while others multiply a fudge factor. When the server is under
           stress from multiple clients with multiple requests, toggling this number may prevent clients from
           being dropped.  Instead of hard coding the 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 MAX_CONNECTION_QUEUE_LENGTH = 15.
      */
   
   //To engage runtime backlog queue length: uncomment the following block AND comment out the line MAX_CONNECTION_QUEUE_LENGTH = 15
   
   /*
      if(MAX_CONNECTION_QUEUE_LENGTH == -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){
           MAX_CONNECTION_QUEUE_LENGTH = 15;
       }else{
           char *end = NULL;
           MAX_CONNECTION_QUEUE_LENGTH = strtol(env, &end, 10);
           if(*end)
               MAX_CONNECTION_QUEUE_LENGTH = 15;
           cout << " MAX_CONNECTION_QUEUE_LENGTH = " << MAX_CONNECTION_QUEUE_LENGTH << endl;
 } }
      }
   */
      MAX_CONNECTION_QUEUE_LENGTH = 15;
  
 HTTPAcceptor::HTTPAcceptor(Monitor* monitor, MessageQueue* outputMessageQueue,  
                            SSLContext * sslcontext)  
     : _monitor(monitor), _outputMessageQueue(outputMessageQueue), _rep(0),  
       _sslcontext(sslcontext)  
 {  
     Socket::initializeInterface();  
 } }
  
 HTTPAcceptor::~HTTPAcceptor() HTTPAcceptor::~HTTPAcceptor()
 { {
      destroyConnections();
     unbind();     unbind();
      // ATTN: Is this correct in a multi-HTTPAcceptor server?
     Socket::uninitializeInterface();     Socket::uninitializeInterface();
 } }
  
 void HTTPAcceptor::handleEnqueue()  void HTTPAcceptor::handleEnqueue(Message *message)
 { {
     Message* message = dequeue();  
   
     if (!message)     if (!message)
         return;         return;
  
      PEGASUS_ASSERT(_rep != 0);
     switch (message->getType())     switch (message->getType())
     {     {
         case SOCKET_MESSAGE:         case SOCKET_MESSAGE:
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             // If this is a connection request:             // If this is a connection request:
  
             if (socketMessage->socket == _rep->socket &&             if (socketMessage->socket == _rep->socket &&
                 socketMessage->events | SocketMessage::READ)           socketMessage->events & SocketMessage::READ)
             {             {
                 _acceptConnection();                 _acceptConnection();
             }             }
             else             else
             {             {
                 // ATTN! this can't happen!                 // ATTN! this can't happen!
               Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,
                 "HTTPAcceptor::handleEnqueue: Invalid SOCKET_MESSAGE received.");
             }             }
  
             break;             break;
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             CloseConnectionMessage* closeConnectionMessage             CloseConnectionMessage* closeConnectionMessage
                 = (CloseConnectionMessage*)message;                 = (CloseConnectionMessage*)message;
  
        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();          PEGASUS_SOCKET socket = connection->getSocket();
  
                 if (socket == closeConnectionMessage->socket)                 if (socket == closeConnectionMessage->socket)
                 {                 {
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                     break;                     break;
                 }                 }
             }             }
   
        break;
         }         }
  
         default:         default:
             // ATTN: need unexpected message error!             // ATTN: need unexpected message error!
         Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,
              "HTTPAcceptor::handleEnqueue: Invalid MESSAGE received.");
             break;             break;
     };     };
  
     delete message;     delete message;
 } }
  
 const char* HTTPAcceptor::getQueueName() const  
   void HTTPAcceptor::handleEnqueue()
 { {
     return "HTTPAcceptor";     Message* message = dequeue();
   
      if (!message)
      {
         Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,
              "HTTPAcceptor::handleEnqueue(): No message on queue.");
         return;
 } }
  
 void HTTPAcceptor::bind(Uint32 portNumber)     handleEnqueue(message);
   
   }
   
   void HTTPAcceptor::bind()
 { {
     if (_rep)     if (_rep){
         throw BindFailed("HTTPAcceptor already bound");      //l10n
         //throw BindFailedException("HTTPAcceptor already bound");
   
         MessageLoaderParms parms("Common.HTTPAcceptor.ALREADY_BOUND",
                      "HTTPAcceptor already bound");
  
     _rep = new HTTPAcceptorRep;        Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,
              "HTTPAcceptor::bind: HTTPAcceptor already bound.");
         throw BindFailedException(parms);
      }
  
     _portNumber = portNumber;     _rep = new HTTPAcceptorRep(_localConnection);
  
     // bind address     // bind address
     _bind();     _bind();
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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_DISABLE_LOCAL_DOMAIN_SOCKET is not defined, the port number is ignored and
      a domain socket is bound.
 */ */
 void HTTPAcceptor::_bind() void HTTPAcceptor::_bind()
 { {
  
      PEGASUS_ASSERT(_rep != 0);
     // Create address:     // Create address:
  
     memset(&_rep->address, 0, sizeof(_rep->address));     memset(_rep->address, 0, sizeof(*_rep->address));
     _rep->address.sin_addr.s_addr = INADDR_ANY;  
     _rep->address.sin_family = AF_INET;     if (_localConnection)
     _rep->address.sin_port = htons(_portNumber);     {
   #ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET
          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
      {
          reinterpret_cast<struct sockaddr_in*>(_rep->address)->sin_addr.s_addr =
              INADDR_ANY;
          reinterpret_cast<struct sockaddr_in*>(_rep->address)->sin_family =
              AF_INET;
          reinterpret_cast<struct sockaddr_in*>(_rep->address)->sin_port =
              htons(_portNumber);
      }
  
     // Create socket:     // Create socket:
  
      if (_localConnection)
      {
          _rep->socket = socket(AF_UNIX, SOCK_STREAM, 0);
      }
      else
      {
     _rep->socket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);     _rep->socket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
  
          _setTCPNoDelay(_rep->socket);
      }
   
     if (_rep->socket < 0)     if (_rep->socket < 0)
     {     {
         delete _rep;         delete _rep;
         _rep = 0;         _rep = 0;
         throw BindFailed("Failed to create socket");        //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);
     }     }
  
   
   // set the close-on-exec bit for this file handle.
   // any unix that forks needs this bit set.
   #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,
                     "HTTPAcceptor::_bind: fcntl(F_GETFD) failed");
      }
      else
      {
         sock_flags |= FD_CLOEXEC;
         if (fcntl(_rep->socket, F_SETFD, sock_flags) < 0)
         {
          PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
                     "HTTPAcceptor::_bind: fcntl(F_SETFD) failed");
         }
      }
   #endif
   
   
     //     //
     // Set the socket option SO_REUSEADDR to reuse the socket address so     // Set the socket option SO_REUSEADDR to reuse the socket address so
     // that we can rebind to a new socket using the same address when we     // that we can rebind to a new socket using the same address when we
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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);
         delete _rep;         delete _rep;
         _rep = 0;         _rep = 0;
         throw BindFailed("Failed to set socket option");        //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:     // Bind socket to port:
      //
      if (::bind(_rep->socket, _rep->address, _rep->address_size) < 0)
      {
         Socket::close(_rep->socket);
         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);
      }
   
  
     if (::bind(_rep->socket,     //
         (struct sockaddr*)(void*)&_rep->address,     // Get the actual port value used if the caller specified a port value of 0.
         sizeof(_rep->address)) < 0)     //
      if ( _portNumber == 0 )
      {
         sockaddr_in buf;
         PEGASUS_SOCKLEN_T 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)
      if (_localConnection)
      {
        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);         Socket::close(_rep->socket);
         delete _rep;         delete _rep;
         _rep = 0;         _rep = 0;
         throw BindFailed("Failed to bind socket to port");         //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);
     }     }
      }
   #endif
  
     // Set up listening on the given port:     // Set up listening on the given socket:
  
     int const MAX_CONNECTION_QUEUE_LENGTH = 5;     //int const MAX_CONNECTION_QUEUE_LENGTH = 15;
  
     if (listen(_rep->socket, MAX_CONNECTION_QUEUE_LENGTH) < 0)     if (listen(_rep->socket, MAX_CONNECTION_QUEUE_LENGTH) < 0)
     {     {
         Socket::close(_rep->socket);         Socket::close(_rep->socket);
         delete _rep;         delete _rep;
         _rep = 0;         _rep = 0;
         throw BindFailed("Failed to bind socket to port");        //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);
     }     }
  
     // Register to receive SocketMessages on this socket:     // Register to receive SocketMessages on this socket:
  
     if (!_monitor->solicitSocketMessages(     if ( -1 == ( _entry_index = _monitor->solicitSocketMessages(
         _rep->socket,         _rep->socket,
         SocketMessage::READ | SocketMessage::EXCEPTION,         SocketMessage::READ | SocketMessage::EXCEPTION,
         getQueueId()))        getQueueId(),
         Monitor::ACCEPTOR)))
     {     {
         Socket::close(_rep->socket);         Socket::close(_rep->socket);
         delete _rep;         delete _rep;
         _rep = 0;         _rep = 0;
         throw BindFailed("Failed to solicit socket messaeges");        //l10n
         //throw BindFailedException("Failed to solicit socket messaeges");
         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);
     }     }
 } }
  
Line 257 
Line 532 
     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);         Socket::close(_rep->socket);
         // Unlink Local Domain Socket Bug# 3312
         if (_localConnection)
         {
   #ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET
             PEG_TRACE_STRING(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,
                           "HTTPAcceptor::closeConnectionSocket failure _rep is null." );
     }     }
 } }
  
Line 273 
Line 568 
     {     {
         _bind();         _bind();
     }     }
      else
      {
         PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
                           "HTTPAcceptor::reopenConnectionSocket 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;
      if (_rep)
 { {
         AutoMutex autoMut(_rep->_connection_mut);
     if (_rep->connections.size() > 0)     if (_rep->connections.size() > 0)
     {     {
         HTTPConnection* connection = _rep->connections[0];         HTTPConnection* connection = _rep->connections[0];
         return(connection->getRequestCount());           count = connection->getRequestCount();
     }     }
     else  
     {  
         return(0);  
     }     }
      return count;
   }
   
   
   /**
       getPortNumber - returns the port number used for the connection
   */
   Uint32 HTTPAcceptor::getPortNumber() const
   {
       return _portNumber;
 } }
  
 void HTTPAcceptor::unbind() void HTTPAcceptor::unbind()
 { {
     if (_rep)     if (_rep)
     {     {
         _portNumber = 0;
         Socket::close(_rep->socket);         Socket::close(_rep->socket);
   
         if (_localConnection)
         {
   #ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET
            ::unlink(
                reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_path);
   #else
            PEGASUS_ASSERT(false);
   #endif
         }
   
         delete _rep;         delete _rep;
         _rep = 0;         _rep = 0;
     }     }
      else
      {
         PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
                 "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:
  
        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();          PEGASUS_SOCKET socket = connection->getSocket();
  
         // Unsolicit SocketMessages:         // Unsolicit SocketMessages:
  
Line 316 
Line 647 
  
         // Destroy the connection (causing it to close):         // Destroy the connection (causing it to close):
  
           while (connection->refcount.get()) { }
         delete connection;         delete connection;
     }     }
  
     _rep->connections.clear();     _rep->connections.clear();
 } }
   }
  
 void HTTPAcceptor::_acceptConnection() void HTTPAcceptor::_acceptConnection()
 { {
Line 333 
Line 666 
  
     // Accept the connection (populate the address):     // Accept the connection (populate the address):
  
     sockaddr_in address;     struct sockaddr* accept_address;
      PEGASUS_SOCKLEN_T address_size;
  
 #if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM)     if (_localConnection)
     size_t n = sizeof(address);     {
   #ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET
          accept_address = reinterpret_cast<struct sockaddr*>(new struct sockaddr_un);
          address_size = sizeof(struct sockaddr_un);
 #else #else
     int n = sizeof(address);         PEGASUS_ASSERT(false);
 #endif #endif
      }
      else
      {
          accept_address = reinterpret_cast<struct sockaddr*>(new struct sockaddr_in);
          address_size = sizeof(struct sockaddr_in);
      }
  
 #if defined(PEGASUS_PLATFORM_LINUX_IX86_GNU)     PEGASUS_SOCKET socket = accept(_rep->socket, accept_address, &address_size);
     Sint32 socket = accept(  
         _rep->socket, (struct sockaddr*)&address, (socklen_t *)&n);     delete accept_address;
 #else  
     Sint32 socket = accept(_rep->socket, (struct sockaddr*)&address, &n);  
 #endif  
  
     if (socket < 0)     if (socket < 0)
     {     {
         if (getenv("PEGASUS_TRACE"))  
             cerr <<"HTTPAcceptor: accept() failed" << endl;  
  
          Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE,
              "HTTPAcceptor - accept() failure.  errno: $0"
              ,errno);
   
          PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
                           "HTTPAcceptor: accept() failed");
         return;         return;
     }     }
  
     // Create a new conection and add it to the connection list:  // set the close on exec flag
   #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,
                           "HTTPAcceptor: fcntl(F_GETFD) failed");
      }
      else
      {
         sock_flags |= FD_CLOEXEC;
         if (fcntl(socket, F_SETFD, sock_flags) < 0)
         {
          PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
                           "HTTPAcceptor: fcntl(F_SETFD) failed");
         }
      }
   #endif
   
  
     MP_Socket * mp_socket = new MP_Socket(socket, _sslcontext);     PEG_LOGGER_TRACE((Logger::STANDARD_LOG, System::CIMSERVER, 0,
     if (mp_socket->accept() < 0) {         "HTTPAcceptor - accept() success.  Socket: $1" ,socket));
         if (getenv("PEGASUS_TRACE"))  
             cerr <<"HTTPAcceptor: SSL_accept() failed" << endl;  
  
      AutoPtr<MP_Socket> mp_socket(new MP_Socket(
          socket, _sslcontext, _sslContextObjectLock, _exportConnection));
   
      // Perform the SSL handshake, if applicable.  Make the socket non-blocking
      // for this operation so we can send it back to the Monitor's select() loop
      // if it takes a while.
   
      mp_socket->disableBlocking();
      Sint32 socketAcceptStatus = mp_socket->accept();
      mp_socket->enableBlocking();
   
      if (socketAcceptStatus < 0)
      {
          PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
                           "HTTPAcceptor: SSL_accept() failed");
          mp_socket->close();
         return;         return;
     }     }
  
     HTTPConnection* connection = new HTTPConnection(     // Create a new connection and add it to the connection list:
         _monitor, mp_socket, this, _outputMessageQueue);  
      HTTPConnection* connection = new HTTPConnection(_monitor, mp_socket,
          this, static_cast<MessageQueue *>(_outputMessageQueue), _exportConnection);
   
      if (socketAcceptStatus == 0)
      {
          PEG_TRACE_STRING(TRC_HTTP, Tracer::LEVEL2,
              "HTTPAcceptor: SSL_accept() pending");
          connection->_acceptPending = true;
      }
  
     // Solicit events on this new connection's socket:     // Solicit events on this new connection's socket:
      int index;
  
     if (!_monitor->solicitSocketMessages(     if (-1 ==  (index = _monitor->solicitSocketMessages(
         socket,        connection->getSocket(),
         SocketMessage::READ | SocketMessage::EXCEPTION,         SocketMessage::READ | SocketMessage::EXCEPTION,
         connection->getQueueId()))        connection->getQueueId(), Monitor::CONNECTION)) )
     {     {
         // ATTN-DE-P2-2003100503::TODO::Need to enhance code to return
         // an error message to Client application.
         Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,
             "HTTPAcceptor::_acceptConnection: Attempt to allocate entry in _entries table failed.");
         delete connection;         delete connection;
         Socket::close(socket);         Socket::close(socket);
         return;
     }     }
  
     // Save the socket for cleanup later:     // Save the socket for cleanup later:
      connection->_entry_index = index;
      AutoMutex autoMut(_rep->_connection_mut);
     _rep->connections.append(connection);     _rep->connections.append(connection);
 } }
  

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