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Diff for /pegasus/src/Pegasus/Common/HTTPAcceptor.cpp between version 1.1.2.8 and 1.24.2.1

version 1.1.2.8, 2001/09/13 17:30:08 version 1.24.2.1, 2002/10/28 22:41:43
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 //%///////////////////////////////////////////////////////////////////////////// //%/////////////////////////////////////////////////////////////////////////////
 // //
 // Copyright (c) 2000, 2001 BMC Software, Hewlett-Packard Company, IBM,  // Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Company, IBM,
 // The Open Group, Tivoli Systems // The Open Group, Tivoli Systems
 // //
 // 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
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 // Author: Mike Brasher (mbrasher@bmc.com) // Author: Mike Brasher (mbrasher@bmc.com)
 // //
 // Modified By: // Modified By:
   //         Jenny Yu, Hewlett-Packard Company (jenny_yu@hp.com)
   //         Nag Boranna, Hewlett-Packard Company (nagaraja_boranna@hp.com)
 // //
 //%///////////////////////////////////////////////////////////////////////////// //%/////////////////////////////////////////////////////////////////////////////
  
 #include <iostream>  
 #include "Config.h" #include "Config.h"
   #include "Constants.h"
   #include <iostream>
 #include "Socket.h" #include "Socket.h"
  
 #ifdef PEGASUS_OS_TYPE_WINDOWS  #ifdef PEGASUS_PLATFORM_WIN32_IX86_MSVC
 # include <winsock.h>  #include <windows.h>
 #else #else
 # include <cctype> # include <cctype>
 # include <unistd.h> # include <unistd.h>
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 # include <netinet/in.h> # include <netinet/in.h>
 # include <arpa/inet.h> # include <arpa/inet.h>
 # include <sys/socket.h> # include <sys/socket.h>
   # ifdef PEGASUS_LOCAL_DOMAIN_SOCKET
   #  include <sys/un.h>
   # endif
 #endif #endif
  
 #include "Socket.h" #include "Socket.h"
   #include "TLS.h"
 #include "HTTPAcceptor.h" #include "HTTPAcceptor.h"
 #include "HTTPConnection.h" #include "HTTPConnection.h"
   #include "Tracer.h"
  
 PEGASUS_USING_STD; PEGASUS_USING_STD;
  
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 struct HTTPAcceptorRep struct HTTPAcceptorRep
 { {
   #ifdef PEGASUS_LOCAL_DOMAIN_SOCKET
         struct sockaddr_un address;
   #else
     struct sockaddr_in address;     struct sockaddr_in address;
   #endif
         Mutex _connection_mut;
   
     Sint32 socket;     Sint32 socket;
     Array<HTTPConnection*> connections;     Array<HTTPConnection*> connections;
 }; };
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 //////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
  
 HTTPAcceptor::HTTPAcceptor(Monitor* monitor, MessageQueue* outputMessageQueue) HTTPAcceptor::HTTPAcceptor(Monitor* monitor, MessageQueue* outputMessageQueue)
     : _monitor(monitor), _outputMessageQueue(outputMessageQueue), _rep(0)     : Base(PEGASUS_QUEUENAME_HTTPACCEPTOR),
        _monitor(monitor), _outputMessageQueue(outputMessageQueue),
        _rep(0), _sslcontext(NULL), _entry_index(-1)
   {
   
      _inet_address[0] = 0x00;
      Socket::initializeInterface();
   }
   
   HTTPAcceptor::HTTPAcceptor(Monitor* monitor, MessageQueue* outputMessageQueue,
                              SSLContext * sslcontext)
      :       Base(PEGASUS_QUEUENAME_HTTPACCEPTOR),
              _monitor(monitor), _outputMessageQueue(outputMessageQueue),
              _rep(0),
              _sslcontext(sslcontext),
              _entry_index(-1)
   {
      _inet_address[0] = 0x00;
      Socket::initializeInterface();
   }
   
   HTTPAcceptor::HTTPAcceptor(Monitor* monitor, MessageQueue* outputMessageQueue,
                              SSLContext * sslcontext,
                              char *inet_address)
      :       Base(PEGASUS_QUEUENAME_HTTPACCEPTOR),
              _monitor(monitor), _outputMessageQueue(outputMessageQueue),
              _rep(0),
              _sslcontext(sslcontext),
              _entry_index(-1)
 { {
      strncpy(_inet_address, inet_address, 16);
      _inet_address[16] = 0x00;
     Socket::initializeInterface();     Socket::initializeInterface();
 } }
  
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     Socket::uninitializeInterface();     Socket::uninitializeInterface();
 } }
  
 void HTTPAcceptor::handleEnqueue()  void HTTPAcceptor::handleEnqueue(Message *message)
 { {
     // cout << "HTTPAcceptor::handleEnqueue()" << endl;  
   
     Message* message = dequeue();  
   
     if (!message)     if (!message)
         return;         return;
  
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             CloseConnectionMessage* closeConnectionMessage             CloseConnectionMessage* closeConnectionMessage
                 = (CloseConnectionMessage*)message;                 = (CloseConnectionMessage*)message;
  
            _rep->_connection_mut.lock(pegasus_thread_self());
   
             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];
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                     _monitor->unsolicitSocketMessages(socket);                     _monitor->unsolicitSocketMessages(socket);
                     _rep->connections.remove(i);                     _rep->connections.remove(i);
                     delete connection;                     delete connection;
                  PEGASUS_STD(cout) << "Closing HTTP Connection; Current Connection Table Size: " <<
                  _rep->connections.size() << PEGASUS_STD(endl);
                     break;                     break;
                 }                 }
             }             }
            _rep->_connection_mut.unlock();
   
         }         }
  
         default:         default:
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     delete message;     delete message;
 } }
  
 const char* HTTPAcceptor::getQueueName() const  
   void HTTPAcceptor::handleEnqueue()
 { {
     return "HTTPAcceptor";     Message* message = dequeue();
   
      if (!message)
         return;
   
      handleEnqueue(message);
   
 } }
  
 void HTTPAcceptor::bind(Uint32 portNumber) void HTTPAcceptor::bind(Uint32 portNumber)
 { {
     if (_rep)     if (_rep)
         throw BindFailed("HTTPAcceptor already bound");        throw BindFailedException("HTTPAcceptor already bound");
  
     _rep = new HTTPAcceptorRep;     _rep = new HTTPAcceptorRep;
  
      _portNumber = portNumber;
   
      // 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
      a domain socket is bound.
   */
   void HTTPAcceptor::_bind()
   {
   
     // Create address:     // Create address:
  
     memset(&_rep->address, 0, sizeof(_rep->address));     memset(&_rep->address, 0, sizeof(_rep->address));
   
   #ifdef PEGASUS_LOCAL_DOMAIN_SOCKET
      _rep->address.sun_family = AF_UNIX;
      strcpy(_rep->address.sun_path, "/var/opt/wbem/cimxml.socket");
      ::unlink(_rep->address.sun_path);
   #else
      if(_inet_address[0] != 0x00)
      {
         _rep->address.sin_addr.s_addr = inet_addr(_inet_address);
         cout << "binding to " << _inet_address << endl;
   
      }
      else
      {
     _rep->address.sin_addr.s_addr = INADDR_ANY;     _rep->address.sin_addr.s_addr = INADDR_ANY;
      }
   
     _rep->address.sin_family = AF_INET;     _rep->address.sin_family = AF_INET;
     _rep->address.sin_port = htons(portNumber);     _rep->address.sin_port = htons(_portNumber);
   #endif
  
     // Create socket:     // Create socket:
  
   #ifdef PEGASUS_LOCAL_DOMAIN_SOCKET
      _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);
   #endif
  
     if (_rep->socket < 0)     if (_rep->socket < 0)
     {     {
         delete _rep;         delete _rep;
         _rep = 0;         _rep = 0;
         throw BindFailed("Failed to create socket");        throw BindFailedException("Failed to create socket");
      }
   
      //
      // 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
      // need to resume the cimom as a result of a timeout during a Shutdown
      // operation.
      //
      int opt=1;
      if (setsockopt(_rep->socket, SOL_SOCKET, SO_REUSEADDR,
                     (char *)&opt, sizeof(opt)) < 0)
      {
         delete _rep;
         _rep = 0;
         throw BindFailedException("Failed to set socket option");
     }     }
  
     // Bind socket to port:     // Bind socket to port:
  
     if (::bind(_rep->socket,     if (::bind(_rep->socket,
         (struct sockaddr*)(void*)&_rep->address,                reinterpret_cast<struct sockaddr*>(&_rep->address),
         sizeof(_rep->address)) < 0)         sizeof(_rep->address)) < 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");        throw BindFailedException("Failed to bind socket");
     }     }
  
     // 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 = 5;
  
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         Socket::close(_rep->socket);         Socket::close(_rep->socket);
         delete _rep;         delete _rep;
         _rep = 0;         _rep = 0;
         throw BindFailed("Failed to bind socket to port");        throw BindFailedException("Failed to bind socket");
     }     }
  
     // 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");        throw BindFailedException("Failed to solicit socket messaeges");
      }
   }
   
   /**
      closeConnectionSocket - close the server listening socket to disallow
      new client connections.
   */
   void HTTPAcceptor::closeConnectionSocket()
   {
      if (_rep)
      {
         // unregister the socket
         _monitor->unsolicitSocketMessages(_rep->socket);
   
         // close the socket
         Socket::close(_rep->socket);
      }
   }
   
   /**
      reopenConnectionSocket - creates a new server socket.
   */
   void HTTPAcceptor::reopenConnectionSocket()
   {
      if (_rep)
      {
         _bind();
     }     }
 } }
  
   /**
      getOutstandingRequestCount - returns the number of outstanding requests.
   */
   Uint32 HTTPAcceptor::getOutstandingRequestCount()
   {
      Uint32 count = 0;
   
      _rep->_connection_mut.lock(pegasus_thread_self());
      if (_rep->connections.size() > 0)
      {
         HTTPConnection* connection = _rep->connections[0];
         count = connection->getRequestCount();
      }
      _rep->_connection_mut.unlock();
      return count;
   
   }
   
 void HTTPAcceptor::unbind() void HTTPAcceptor::unbind()
 { {
     if (_rep)     if (_rep)
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 { {
     // For each connection created by this object:     // For each connection created by this object:
  
      _rep->_connection_mut.lock(pegasus_thread_self());
     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];
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         // Destroy the connection (causing it to close):         // Destroy the connection (causing it to close):
  
         while (connection->refcount.value()) { }
         delete connection;         delete connection;
     }     }
  
     _rep->connections.clear();     _rep->connections.clear();
      _rep->_connection_mut.unlock();
 } }
  
 void HTTPAcceptor::_acceptConnection() void HTTPAcceptor::_acceptConnection()
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     sockaddr_in address;     sockaddr_in address;
  
 #if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM)  
   #if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) || defined(PEGASUS_PLATFORM_AIX_RS_IBMCXX)
     size_t n = sizeof(address);     size_t n = sizeof(address);
 #else #else
     int n = sizeof(address);     int n = sizeof(address);
 #endif #endif
  
 #if defined(PEGASUS_PLATFORM_LINUX_IX86_GNU)  
   #if defined(PEGASUS_PLATFORM_LINUX_IX86_GNU) || defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU)
     Sint32 socket = accept(     Sint32 socket = accept(
         _rep->socket, (struct sockaddr*)&address, (socklen_t *)&n);         _rep->socket, (struct sockaddr*)&address, (socklen_t *)&n);
 #else #else
     Sint32 socket = accept(_rep->socket, (struct sockaddr*)&address, &n);     Sint32 socket = accept(_rep->socket, reinterpret_cast<struct sockaddr*>(&address), &n);
 #endif #endif
  
   
   
     if (socket < 0)     if (socket < 0)
     {     {
         if (getenv("PEGASUS_TRACE"))         PEG_TRACE_STRING(TRC_HTTP, Tracer::LEVEL2,
             cerr <<"HTTPAcceptor: accept() failed" << endl;                          "HTTPAcceptor: accept() failed");
   
         return;         return;
     }     }
   #if defined(PEGASUS_PLATFORM_LINUX_IX86_GNU) || defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU)
      if( _inet_address[0] != 0x00)
      {
         if( 1023 < htons(address.sin_port) )
         {
            shutdown(socket, 2);
            Socket::close(socket);
            return;
         }
      }
  
   #endif
     // Create a new conection and add it to the connection list:     // Create a new conection and add it to the connection list:
  
      MP_Socket * mp_socket = new MP_Socket(socket, _sslcontext);
      if (mp_socket->accept() < 0)
      {
          PEG_TRACE_STRING(TRC_HTTP, Tracer::LEVEL2,
                           "HTTPAcceptor: SSL_accept() failed");
         return;
      }
   
     HTTPConnection* connection = new HTTPConnection(     HTTPConnection* connection = new HTTPConnection(
         _monitor, socket, this, _outputMessageQueue);        _monitor, mp_socket, this, static_cast<MessageQueue *>(_outputMessageQueue));
  
     // Solicit events on this new connection's socket:     // Solicit events on this new connection's socket:
      int index;
  
     if (!_monitor->solicitSocketMessages(     if (! (index = _monitor->solicitSocketMessages(
         socket,         socket,
         SocketMessage::READ | SocketMessage::EXCEPTION,         SocketMessage::READ | SocketMessage::EXCEPTION,
         connection->getQueueId()))            connection->getQueueId(), Monitor::CONNECTION)) )
     {     {
         delete connection;         delete connection;
         Socket::close(socket);         Socket::close(socket);
     }     }
  
     // Save the socket for cleanup later:     // Save the socket for cleanup later:
      connection->_entry_index = index;
         _rep->_connection_mut.lock(pegasus_thread_self());
     _rep->connections.append(connection);     _rep->connections.append(connection);
      _rep->_connection_mut.unlock();
      PEGASUS_STD(cout) << "Creating new HTTP Connection; Current Connection Table Size: " <<
      _rep->connections.size() << " entries" << endl;
   
 } }
  
 PEGASUS_NAMESPACE_END PEGASUS_NAMESPACE_END

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