ACE/apps/JAWS2/JAWS/IO_Acceptor.h

   1 /* -*- c++ -*- */
   2 #ifndef JAWS_IO_ACCEPTOR_H
   3 #define JAWS_IO_ACCEPTOR_H
   4
   5 // Use the Adapter pattern to encapsulate either a LOCK_SOCK_Acceptor or
   6 // an ACE_Asynch_Acceptor
   7
   8 #include "ace/Asynch_Acceptor.h"
   9
  10 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  11 # pragma once
  12 #endif /* ACE_LACKS_PRAGMA_ONCE */
  13
  14 #include "ace/LOCK_SOCK_Acceptor.h"
  15 #include "ace/Singleton.h"
  16
  17 #include "JAWS/Export.h"
  18 #include "JAWS/Jaws_IO.h"
  19 #include "JAWS/IO_Handler.h"
  20
  21 // Forward declaration.
  22 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  23 class ACE_Proactor;
  24 class ACE_Reactor;
  25 ACE_END_VERSIONED_NAMESPACE_DECL
  26
  27 #if defined (JAWS_HAS_THREAD_SAFE_ACCEPT)
  28 typedef ACE_LOCK_SOCK_Acceptor<ACE_SYNCH_NULL_MUTEX> JAWS_IO_SOCK_Acceptor;
  29 #else
  30 typedef ACE_LOCK_SOCK_Acceptor<ACE_SYNCH_MUTEX> JAWS_IO_SOCK_Acceptor;
  31 #endif /* JAWS_HAS_THREAD_SAFE_ACCEPT */
  32
  33 class JAWS_Export JAWS_IO_Acceptor
  34 {
  35 public:
  36   JAWS_IO_Acceptor ();
  37   virtual ~JAWS_IO_Acceptor ();
  38
  39   virtual int open (const ACE_INET_Addr &address, int backlog = 20);
  40   // Initiate a passive mode socket.
  41
  42   virtual int open (const ACE_HANDLE &socket);
  43   // Initiate a passive mode socket.
  44
  45   virtual int accept (ACE_SOCK_Stream &new_stream,
  46                       ACE_Addr *remote_addr = 0,
  47                       ACE_Time_Value *timeout = 0,
  48                       int restart = 1,
  49                       int reset_new_handle = 0) const;
  50   // Synchronously accept the connection
  51
  52   virtual int accept (size_t bytes_to_read = 0, const void *act = 0);
  53   // This initiates a new asynchronous accept through the AcceptEx call.
  54
  55   virtual ACE_HANDLE get_handle ();
  56   // Get the listener's handle
  57
  58   virtual void close ();
  59   // Close the acceptor.
  60
  61   enum { ASYNC = 0, SYNCH = 1 };
  62   // identify if this is being used for asynchronous or synchronous
  63   // accept calls
  64 };
  65
  66 class JAWS_Export JAWS_IO_Synch_Acceptor : public JAWS_IO_Acceptor
  67 {
  68 public:
  69   virtual int open (const ACE_INET_Addr &local_sap, int backlog = 20);
  70   // Initiate a passive mode socket.
  71
  72   virtual int open (const ACE_HANDLE &socket);
  73   // Initiate a passive mode socket.
  74
  75   virtual int accept (ACE_SOCK_Stream &new_stream,
  76                       ACE_Addr *remote_addr = 0,
  77                       ACE_Time_Value *timeout = 0,
  78                       int restart = 1,
  79                       int reset_new_handle = 0) const;
  80   // Accept the connection
  81
  82   virtual ACE_HANDLE get_handle ();
  83   // Get the listener's handle
  84
  85 private:
  86   virtual int accept (size_t bytes_to_read = 0, const void *act = 0);
  87
  88 private:
  89   JAWS_IO_SOCK_Acceptor acceptor_;
  90 };
  91
  92
  93 class JAWS_Export JAWS_IO_Asynch_Acceptor : public JAWS_IO_Acceptor
  94 {
  95 public:
  96   JAWS_IO_Asynch_Acceptor ();
  97   virtual ~JAWS_IO_Asynch_Acceptor ();
  98
  99   virtual int open (const ACE_INET_Addr &address, int backlog = 20);
 100   // Initiate an asynchronous passive connection
 101
 102   virtual int open (const ACE_HANDLE &socket);
 103   // Initiate an asynchronous passive connection
 104
 105   virtual int accept (size_t bytes_to_read = 0, const void *act = 0);
 106   // This initiates a new asynchronous accept through the AcceptEx call.
 107
 108   virtual ACE_HANDLE get_handle ();
 109   // Get the listener's handle
 110
 111   virtual void close ();
 112
 113 private:
 114   virtual int accept (ACE_SOCK_Stream &new_stream,
 115                       ACE_Addr *remote_addr = 0,
 116                       ACE_Time_Value *timeout = 0,
 117                       int restart = 1,
 118                       int reset_new_handle = 0) const;
 119
 120 private:
 121 #if defined (ACE_HAS_WIN32_OVERLAPPED_IO) || defined (ACE_HAS_AIO_CALLS)
 122   ACE_Asynch_Acceptor<JAWS_Asynch_Handler> &acceptor_;
 123   ACE_Asynch_Acceptor<JAWS_Asynch_Handler> *acceptor_ptr_;
 124   ACE_HANDLE handle_;
 125 #endif /* ACE_HAS_WIN32_OVERLAPPED_IO || ACE_HAS_AIO_CALLS */
 126 };
 127
 128 typedef ACE_Singleton<JAWS_IO_Synch_Acceptor, ACE_SYNCH_MUTEX>
 129         JAWS_IO_Synch_Acceptor_Singleton;
 130
 131 typedef ACE_Singleton<JAWS_IO_Asynch_Acceptor, ACE_SYNCH_MUTEX>
 132         JAWS_IO_Asynch_Acceptor_Singleton;
 133
 134 #endif /* !defined (JAWS_IO_ACCEPTOR_H) */