ACE/examples/Connection/blocking/SPIPE-acceptor.h

   1 /* -*- C++ -*- */
   2 #ifndef SP_ACCEPTOR_H
   3 #define SP_ACCEPTOR_H
   4
   5 #include "ace/Svc_Handler.h"
   6 #include "ace/Service_Config.h"
   7
   8 #if !defined (ACE_LACKS_PRAGMA_ONCE)
   9 # pragma once
  10 #endif /* ACE_LACKS_PRAGMA_ONCE */
  11
  12 #include "ace/Acceptor.h"
  13 #include "ace/SPIPE_Stream.h"
  14 #include "ace/SPIPE_Acceptor.h"
  15 #include "ace/Asynch_IO.h"
  16
  17 // This only works on Win32 platforms and on Unix platforms
  18 // supporting POSIX aio calls.
  19 #if defined (ACE_HAS_WIN32_OVERLAPPED_IO) || defined (ACE_HAS_AIO_CALLS)
  20
  21 // This is the class that does the work once the ACE_Oneshot_Acceptor
  22 // has accepted a connection.
  23
  24 class Svc_Handler : public ACE_Svc_Handler <ACE_SPIPE_STREAM, ACE_NULL_SYNCH>, public ACE_Handler
  25 {
  26 public:
  27   Svc_Handler ();
  28   ~Svc_Handler ();
  29
  30   virtual int open (void *);
  31
  32   virtual void handle_read_stream (const ACE_Asynch_Read_Stream::Result &result);
  33   // This is called when asynchronous read from the socket complete
  34   // Handle data from the client.
  35
  36 private:
  37   ACE_Asynch_Read_Stream ar_;
  38   ACE_Message_Block mb_;
  39 };
  40
  41 class IPC_Server : public ACE_Oneshot_Acceptor<Svc_Handler, ACE_SPIPE_ACCEPTOR>
  42 {
  43 public:
  44   IPC_Server ();
  45   ~IPC_Server ();
  46
  47   // = Dynamic linking hooks.
  48   virtual int init (int argc, ACE_TCHAR *argv[]);
  49   // Initialize the network server.
  50
  51   virtual int fini ();
  52   // Close down the server.
  53
  54   virtual int svc ();
  55   // Run the interative service.
  56
  57 private:
  58   int parse_args (int argc, ACE_TCHAR *argv[]);
  59   // Parse command-line arguments.
  60
  61   int n_threads_;
  62   // Size of thread pool to use.
  63
  64   ACE_TCHAR rendezvous_[MAXPATHLEN + 1];
  65   // Meeting place for pipe.
  66
  67   int shutdown_;
  68   // Keeps track of when we shut down due to receipt of the SIGINT
  69   // signal.
  70
  71   int handle_signal (int signum, siginfo_t *, ucontext_t *);
  72   // Signal handler method.
  73 };
  74
  75 #endif /* ACE_HAS_WIN32_OVERLAPPED_IO || ACE_HAS_AIO_CALLS */
  76 #endif /* SP_ACCEPTOR_H */
  77