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// $Id$
// ============================================================================
//
// = LIBRARY
// tests
//
// = FILENAME
// CPP_Test.cpp
//
// = DESCRIPTION
// This is a simple test of the ACE_SOCK_Acceptor and
// AC_SOCK_Connector classes. The test forks two processes or
// spawns two threads (depending upon the platform) and then executes
// client and server allowing them to connect and exchange
// data. No user input is required as far as command line
// arguments are concerned.
//
// = AUTHOR
// Prashant Jain and Doug Schmidt
//
// ============================================================================
#include "ace/OS.h"
#include "ace/Thread.h"
#include "ace/Service_Config.h"
#include "ace/SOCK_Connector.h"
#include "ace/SOCK_Acceptor.h"
#include "ace/SOCK_Stream.h"
#include "ace/INET_Addr.h"
#include "ace/Handle_Set.h"
#include "test_config.h"
static void *
client (void *arg)
{
#if (defined (ACE_WIN32) || defined (VXWORKS)) && defined (ACE_HAS_THREADS)
// Insert thread into thr_mgr
ACE_Thread_Control thread_control (ACE_Service_Config::thr_mgr ());
ACE_NEW_THREAD;
#endif /* (defined (ACE_WIN32) || defined (VXWORKS)) && defined (ACE_HAS_THREADS) */
ACE_INET_Addr *remote_addr = (ACE_INET_Addr *) arg;
ACE_INET_Addr server_addr (remote_addr->get_port_number (), "localhost");
ACE_SOCK_Stream cli_stream;
ACE_SOCK_Connector con;
ACE_DEBUG ((LM_DEBUG, "(%P|%t) starting non-blocking connect\n"));
// Initiate timed, non-blocking connection with server.
// Attempt a non-blocking connect to the server, reusing the local
// addr if necessary.
if (con.connect (cli_stream, server_addr,
(ACE_Time_Value *) &ACE_Time_Value::zero) == -1)
{
if (errno != EWOULDBLOCK)
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "connection failed"));
ACE_DEBUG ((LM_DEBUG, "(%P|%t) starting timed connect\n"));
// Check if non-blocking connection is in progress,
// and wait up to ACE_DEFAULT_TIMEOUT seconds for it to complete.
ACE_Time_Value tv (ACE_DEFAULT_TIMEOUT);
if (con.complete (cli_stream, &server_addr, &tv) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) %p\n", "connection failed"), 0);
else
ACE_DEBUG ((LM_DEBUG, "(%P|%t) connected to %s\n",
server_addr.get_host_name ()));
}
if (cli_stream.disable (ACE_NONBLOCK) == -1)
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "disable"));
// Send data to server (correctly handles "incomplete writes").
for (char c = 'a'; c <= 'z'; c++)
if (cli_stream.send_n (&c, 1) == -1)
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "send_n"));
// Explicitly close the writer-side of the connection.
if (cli_stream.close_writer () == -1)
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "close_writer"));
char buf[1];
// Wait for handshake with server.
if (cli_stream.recv_n (buf, 1) != 1)
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "recv_n"));
// Close the connection completely.
if (cli_stream.close () == -1)
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "close"));
return 0;
}
static void *
server (void *arg)
{
#if (defined (ACE_WIN32) || defined (VXWORKS)) && defined (ACE_HAS_THREADS)
// Insert thread into thr_mgr
ACE_Thread_Control thread_control (ACE_Service_Config::thr_mgr ());
ACE_NEW_THREAD;
#endif /* (defined (ACE_WIN32) || defined (VXWORKS)) && defined (ACE_HAS_THREADS) */
ACE_SOCK_Acceptor *peer_acceptor = (ACE_SOCK_Acceptor *) arg;
if (peer_acceptor->enable (ACE_NONBLOCK) == -1)
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "enable"));
// Keep these objects out here to prevent excessive constructor
// calls...
ACE_SOCK_Stream new_stream;
ACE_INET_Addr cli_addr;
ACE_Handle_Set handle_set;
ACE_Time_Value tv (ACE_DEFAULT_TIMEOUT);
// Performs the iterative server activities.
for (;;)
{
char buf[BUFSIZ];
char t = 'a';
handle_set.reset ();
handle_set.set_bit (peer_acceptor->get_handle ());
int result = ACE_OS::select (int (peer_acceptor->get_handle ()) + 1,
handle_set,
0, 0, &tv);
if (result == -1)
ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) %p\n", "select"), 0);
else if (result == 0)
{
ACE_DEBUG ((LM_DEBUG, "(%P|%t) select timed out, shutting down\n"));
return 0;
}
// Create a new ACE_SOCK_Stream endpoint (note automatic restart
// if errno == EINTR).
while ((result = peer_acceptor->accept (new_stream, &cli_addr)) != -1)
{
ACE_DEBUG ((LM_DEBUG, "(%P|%t) client %s connected from %d\n",
cli_addr.get_host_name (), cli_addr.get_port_number ()));
// Enable non-blocking I/O.
if (new_stream.enable (ACE_NONBLOCK) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) %p\n", "enable"), 0);
handle_set.reset ();
handle_set.set_bit (new_stream.get_handle ());
// Read data from client (terminate on error).
for (ssize_t r_bytes; ;)
{
if (ACE_OS::select (int (new_stream.get_handle ()) + 1,
handle_set,
0, 0, 0) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) %p\n", "select"), 0);
while ((r_bytes = new_stream.recv_n (buf, 1)) > 0)
{
ACE_ASSERT (t == buf[0]);
t++;
}
if (r_bytes == 0)
{
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) reached end of input, connection closed by client\n"));
// Handshake back with client.
if (new_stream.send_n ("", 1) != 1)
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "send_n"));
// Close endpoint.
if (new_stream.close () == -1)
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "close"));
return 0;
}
else if (r_bytes == -1)
{
if (errno == EWOULDBLOCK)
ACE_DEBUG ((LM_DEBUG, "(%P|%t) no input available, going back to reading\n"));
else
ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) %p\n", "recv_n"), 0);
}
}
}
if (result == -1)
{
if (errno == EWOULDBLOCK)
ACE_DEBUG ((LM_DEBUG, "(%P|%t) no connections available, going back to accepting\n"));
else
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "accept"));
}
}
return 0;
}
static void
spawn (void)
{
// Acceptor
ACE_SOCK_Acceptor peer_acceptor;
// Create a server address.
ACE_INET_Addr server_addr;
// Bind listener to any port and then find out what the port was.
if (peer_acceptor.open (ACE_Addr::sap_any) == -1
|| peer_acceptor.get_local_addr (server_addr) == -1)
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "open"));
else
{
ACE_DEBUG ((LM_DEBUG, "(%P|%t) starting server at port %d\n",
server_addr.get_port_number ()));
#if !defined (ACE_WIN32) && !defined (VXWORKS)
switch (ACE_OS::fork ())
{
case -1:
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n%a", "fork failed"));
exit (-1);
case 0:
ACE_LOG_MSG->sync ("child");
client (&server_addr);
default:
server ((void *) &peer_acceptor);
ACE_OS::wait ();
}
#elif defined (ACE_HAS_THREADS)
if (ACE_Service_Config::thr_mgr ()->spawn
(ACE_THR_FUNC (server), (void *) &peer_acceptor, THR_NEW_LWP | THR_DETACHED) == -1)
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n%a", "thread create failed"));
if (ACE_Service_Config::thr_mgr ()->spawn
(ACE_THR_FUNC (client), (void *) &server_addr, THR_NEW_LWP | THR_DETACHED) == -1)
ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n%a", "thread create failed"));
// Wait for the threads to exit.
ACE_Service_Config::thr_mgr ()->wait ();
#else
ACE_ERROR ((LM_ERROR, "(%P|%t) only one thread may be run in a process on this platform\n%a", 1));
#endif /* ACE_HAS_THREADS */
}
}
int
main (int, char *[])
{
ACE_START_TEST ("CPP_Test");
spawn ();
ACE_END_TEST;
return 0;
}
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