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// Example for using ACE_UPIPE_SAP and ACE_Thread for intra-process
// $Id$
// communication.
//
// Author : Gerhard Lenzer and Douglas C. Schmidt
#include <fstream.h>
#include "ace/UPIPE_Connector.h"
#include "ace/UPIPE_Acceptor.h"
#include "auto_builtin_ptr.h"
#if defined (ACE_HAS_THREADS)
// Global thread manager.
static ACE_Thread_Manager thr_mgr;
// Data for testsuite.
int size = 0;
int iterations = 0;
static void *
supplier (void *)
{
// Insert thread into thr_mgr.
ACE_Thread_Control thread_control (&thr_mgr);
ACE_UPIPE_Stream s_stream;
ACE_UPIPE_Addr c_addr ("pattern");
auto_builtin_ptr <char> mybuf = new char[size];
for (int i = 0; i < size; i++)
mybuf[i] = 'a';
ACE_DEBUG ((LM_DEBUG, "(%t) supplier starting connect thread\n"));
ACE_UPIPE_Connector con;
if (con.connect (s_stream, c_addr) == -1)
ACE_DEBUG ((LM_DEBUG, "(%t) %p\n",
"ACE_UPIPE_Acceptor.connect failed"));
// Test asynchronisity.
s_stream.enable (SIGIO);
for (int j = 0; j < iterations; j++)
{
ACE_Message_Block *mb_p =
new ACE_Message_Block (size, ACE_Message_Block::MB_DATA,
(ACE_Message_Block *) 0, mybuf);
if (s_stream.send (mb_p) == -1)
{
ACE_DEBUG ((LM_DEBUG, "(%t) %p\n", "send failed"));
return 0;
}
}
// Insert a 0-sized message block to signal the other side to shut
// down.
if (s_stream.send (new ACE_Message_Block ((size_t) 0)) == -1)
{
cout << "error put" << endl;
return 0;
}
s_stream.close ();
return 0;
}
static void *
consumer (void *)
{
// Insert thread into thr_mgr.
ACE_Thread_Control thread_control (&thr_mgr);
ACE_UPIPE_Stream c_stream;
// Set the high water mark to size to achieve optimum performance.
int wm = size * iterations;
if (c_stream.control (ACE_IO_Cntl_Msg::SET_HWM, &wm) == -1)
ACE_DEBUG ((LM_DEBUG, "set HWM failed\n"));
ACE_UPIPE_Addr serv_addr ("pattern");
ACE_UPIPE_Acceptor acc (serv_addr); // accept will wait up to 4 seconds
ACE_DEBUG ((LM_DEBUG, "(%t) consumer spawning the supplier thread\n"));
// Spawn the supplier thread.
if (thr_mgr.spawn (ACE_THR_FUNC (supplier), (void *) 0,
THR_NEW_LWP | THR_DETACHED) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "spawn"), 0);
ACE_DEBUG ((LM_DEBUG, "(%t) consumer starting accept\n"));
if (acc.accept (c_stream) == -1)
ACE_DEBUG ((LM_DEBUG, "(%t) %p\n",
"ACE_UPIPE_Acceptor.accept failed"));
// time measurement
time_t currsec;
ACE_OS::time (&currsec);
time_t start = (time_t) currsec;
int received_messages = 0;
for (ACE_Message_Block *mb = 0;
c_stream.recv (mb) != -1 && mb->size () != 0;
delete mb)
received_messages++;
ACE_OS::time (&currsec);
time_t secs = (time_t) currsec - start;
ACE_DEBUG ((LM_DEBUG,
"(%t) Transferred %d blocks of size %d\n"
"The program ran %d seconds\n",
received_messages, size, secs));
c_stream.close ();
return 0;
}
int
main (int argc, char *argv[])
{
size = argc > 1 ? ACE_OS::atoi (argv[1]) : 32;
iterations = argc > 2 ? ACE_OS::atoi (argv[2]) : 16;
// Spawn the two threads.
if (thr_mgr.spawn (ACE_THR_FUNC (consumer), (void *) 0,
THR_NEW_LWP | THR_DETACHED) == -1)
ACE_ERROR_RETURN ( (LM_ERROR, "%p\n", "spawn"), 1);
// Wait for producer and consumer threads to exit.
thr_mgr.wait ();
return 0;
}
#else
int
main (int, char *[])
{
ACE_ERROR ( (LM_ERROR, "threads not supported on this platform\n"));
return 0;
}
#endif /* ACE_HAS_THREADS */
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