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//=============================================================================
/**
* @file SOCK_Test.cpp
*
* $Id: SOCK_Test.cpp 93638 2011-03-24 13:16:05Z johnnyw $
*
* This is a test of the <ACE_SOCK_Acceptor> and
* <ACE_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.
*
*
* @author Prashant Jain <pjain@cs.wustl.edu> and Doug Schmidt <schmidt@cs.wustl.edu>
*/
//=============================================================================
#include "test_config.h"
#include "ace/OS_NS_unistd.h"
#include "ace/OS_NS_sys_wait.h"
#include "ace/Thread.h"
#include "ace/Time_Value.h"
#include "ace/Thread_Manager.h"
#include "ace/SOCK_Connector.h"
#include "ace/SOCK_Acceptor.h"
#include "ace/Handle_Set.h"
static const char ACE_ALPHABET[] = "abcdefghijklmnopqrstuvwxyz";
static void *
client (void *arg)
{
ACE_INET_Addr *remote_addr = (ACE_INET_Addr *) arg;
ACE_INET_Addr server_addr (remote_addr->get_port_number (), ACE_LOCALHOST);
ACE_SOCK_Stream cli_stream;
ACE_SOCK_Connector con;
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) starting non-blocking connect\n")));
// Initiate timed, non-blocking connection with server.
// Attempt a non-blocking connect to the server.
if (con.connect (cli_stream, server_addr,
(ACE_Time_Value *) &ACE_Time_Value::zero) == -1)
{
if (errno != EWOULDBLOCK)
ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("connection failed")));
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%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, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("connection failed")), 0);
else
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) connected to %C\n"),
server_addr.get_host_name ()));
}
if (cli_stream.disable (ACE_NONBLOCK) == -1)
ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("disable")));
// Test Bug 3606
const ACE_Time_Value def_timeout (ACE_DEFAULT_TIMEOUT);
ACE_Time_Value tv (def_timeout);
int result = ACE::handle_ready (cli_stream.get_handle (), &tv,
1, // read_ready
1, // write_ready
0);
// we expect the handle to be at leat write_ready since it is freshly connected.
if (result == -1)
ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("ACE::handle_ready")), 0);
// Send data to server (correctly handles "incomplete writes").
for (const char *c = ACE_ALPHABET; *c != '\0'; c++)
if (cli_stream.send_n (c, 1) == -1)
ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("send_n")));
// Explicitly close the writer-side of the connection.
if (cli_stream.close_writer () == -1)
ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("close_writer")));
char buf[1];
// Wait for handshake with server.
if (cli_stream.recv_n (buf, 1) != 1)
ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("recv_n")));
// Close the connection completely.
if (cli_stream.close () == -1)
ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("close")));
return 0;
}
static void *
server (void *arg)
{
ACE_SOCK_Acceptor *peer_acceptor = (ACE_SOCK_Acceptor *) arg;
if (peer_acceptor->enable (ACE_NONBLOCK) == -1)
ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("enable")));
// Keep these objects out here to prevent excessive constructor
// calls...
ACE_SOCK_Stream new_stream;
ACE_INET_Addr cli_addr;
const ACE_Time_Value def_timeout (ACE_DEFAULT_TIMEOUT);
ACE_Time_Value tv (def_timeout);
char buf[BUFSIZ];
const char *t = ACE_ALPHABET;
int result = ACE::handle_read_ready (peer_acceptor->get_handle (), &tv);
ACE_TEST_ASSERT (tv == def_timeout);
if (result == -1)
ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("handle_read_ready")), 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, ACE_TEXT ("(%P|%t) client %C 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, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("enable")), 0);
// Read data from client (terminate on error).
for (ssize_t r_bytes; ;)
{
if (ACE::handle_read_ready (new_stream.get_handle (), 0) == -1)
ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("handle_read_ready")), 0);
while ((r_bytes = new_stream.recv (buf, 1)) > 0)
{
ACE_TEST_ASSERT (*t == buf[0]);
t++;
}
if (r_bytes == 0)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%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, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("send_n")));
// Close endpoint.
if (new_stream.close () == -1)
ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("close")));
return 0;
}
else if (r_bytes == -1)
{
if (errno == EAGAIN || errno == EWOULDBLOCK)
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) no input available, going back to reading\n")));
else
ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("recv_n")), 0);
}
}
}
if (result == -1)
{
if (errno == EWOULDBLOCK)
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) no connections available, shutting down\n")));
else
ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("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, ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("open")));
else
{
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) starting server at port %d\n"),
server_addr.get_port_number ()));
#if !defined (ACE_LACKS_FORK)
switch (ACE_OS::fork (ACE_TEXT ("child")))
{
case -1:
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%P|%t) %p\n%a"),
ACE_TEXT ("fork failed"),
1));
/* NOTREACHED */
case 0:
client (&server_addr);
ACE_OS::exit (0);
/* NOTREACHED */
default:
server ((void *) &peer_acceptor);
ACE_OS::wait ();
}
#elif defined (ACE_HAS_THREADS)
if (ACE_Thread_Manager::instance ()->spawn
(ACE_THR_FUNC (server),
(void *) &peer_acceptor,
THR_NEW_LWP | THR_DETACHED) == -1)
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%P|%t) %p\n%a"),
ACE_TEXT ("thread create failed"),
1));
if (ACE_Thread_Manager::instance ()->spawn
(ACE_THR_FUNC (client),
(void *) &server_addr,
THR_NEW_LWP | THR_DETACHED) == -1)
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%P|%t) %p\n%a"),
ACE_TEXT ("thread create failed"),
1));
// Wait for the threads to exit.
ACE_Thread_Manager::instance ()->wait ();
#else
ACE_ERROR ((LM_INFO,
ACE_TEXT ("(%P|%t) ")
ACE_TEXT ("only one thread may be run ")
ACE_TEXT ("in a process on this platform\n")));
#endif /* ACE_HAS_THREADS */
peer_acceptor.close ();
}
}
int
run_main (int, ACE_TCHAR *[])
{
ACE_START_TEST (ACE_TEXT ("SOCK_Test"));
spawn ();
ACE_END_TEST;
return 0;
}
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