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// $Id$
// This example tests the features of the <ACE_SOCK_Acceptor> and
// <ACE_SOCK_Stream> classes. If the platform supports threads it
// uses a thread-per-connection concurrency model.
#include "ace/SOCK_Acceptor.h"
#include "ace/Thread_Manager.h"
#include "ace/Handle_Set.h"
#include "ace/Profile_Timer.h"
// Are we running verbosely?
static int verbose = 0;
// Function entry point into the twoway server task.
static void *
twoway_server (void *arg)
{
ACE_INET_Addr cli_addr;
ACE_SOCK_Stream new_stream;
ACE_HANDLE handle = (ACE_HANDLE) (long) arg;
new_stream.set_handle (handle);
// Make sure we're not in non-blocking mode.
if (new_stream.disable (ACE_NONBLOCK) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"disable"),
0);
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) client %s connected from %d\n",
cli_addr.get_host_name (),
cli_addr.get_port_number ()));
// Timer business
ACE_Profile_Timer timer;
timer.start ();
size_t total_bytes = 0;
size_t message_count = 0;
void *buf;
ACE_INT32 len;
if (new_stream.recv_n ((void *) &len,
sizeof (ACE_INT32)) != sizeof (ACE_INT32))
ACE_ERROR_RETURN ((LM_ERROR,
"(%P|%t) %p\n",
"recv_n failed"),
0);
else
{
len = ntohl (len);
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) reading messages of size %d\n",
len));
buf = ACE_OS::malloc (len);
}
// Read data from client (terminate on error).
for (;;)
{
ssize_t r_bytes = new_stream.recv (buf, len);
if (r_bytes == -1)
{
ACE_ERROR ((LM_ERROR, "%p\n", "recv"));
break;
}
else if (r_bytes == 0)
{
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) reached end of input, connection closed by client\n"));
break;
}
else if (verbose && ACE::write_n (ACE_STDOUT, buf, r_bytes) != r_bytes)
ACE_ERROR ((LM_ERROR, "%p\n", "ACE::write_n"));
else if (new_stream.send_n (buf, r_bytes) != r_bytes)
ACE_ERROR ((LM_ERROR, "%p\n", "send_n"));
total_bytes += size_t (r_bytes);
message_count++;
}
timer.stop ();
ACE_Profile_Timer::ACE_Elapsed_Time et;
timer.elapsed_time (et);
ACE_DEBUG ((LM_DEBUG,
ASYS_TEXT ("\t\treal time = %f secs \n\t\tuser time = %f secs \n\t\tsystem time = %f secs\n"),
et.real_time,
et.user_time,
et.system_time));
ACE_DEBUG ((LM_DEBUG,
ASYS_TEXT ("\t\t messages = %d\n\t\t total bytes = %d\n\t\tmbits/sec = %f\n\t\tusec-per-message = %f\n"),
message_count,
total_bytes,
(((double) total_bytes * 8) / et.real_time) / (double) (1024 * 1024),
((et.user_time + et.system_time) / (double) message_count) * 1000000));
// Close new endpoint (listening endpoint stays open).
new_stream.close ();
ACE_OS::free (buf);
return 0;
}
// Function entry point into the oneway server task.
static void *
oneway_server (void *arg)
{
ACE_INET_Addr cli_addr;
ACE_SOCK_Stream new_stream;
ACE_HANDLE handle = (ACE_HANDLE) (long) arg;
new_stream.set_handle (handle);
// Make sure we're not in non-blocking mode.
if (new_stream.disable (ACE_NONBLOCK) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"disable"),
0);
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) client %s connected from %d\n",
cli_addr.get_host_name (),
cli_addr.get_port_number ()));
// Timer business
ACE_Profile_Timer timer;
timer.start ();
size_t total_bytes = 0;
size_t message_count = 0;
void *buf;
ACE_INT32 len;
if (new_stream.recv_n ((void *) &len,
sizeof (ACE_INT32)) != sizeof (ACE_INT32))
ACE_ERROR_RETURN ((LM_ERROR,
"(%P|%t) %p\n",
"recv_n failed"),
0);
else
{
len = ntohl (len);
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) reading messages of size %d\n",
len));
buf = ACE_OS::malloc (len);
}
// Read data from client (terminate on error).
for (;;)
{
ssize_t r_bytes = new_stream.recv (buf, len);
if (r_bytes == -1)
{
ACE_ERROR ((LM_ERROR, "%p\n", "recv"));
break;
}
else if (r_bytes == 0)
{
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) reached end of input, connection closed by client\n"));
break;
}
else if (verbose && ACE::write_n (ACE_STDOUT, buf, r_bytes) != r_bytes)
ACE_ERROR ((LM_ERROR, "%p\n", "ACE::write_n"));
total_bytes += size_t (r_bytes);
message_count++;
}
timer.stop ();
ACE_Profile_Timer::ACE_Elapsed_Time et;
timer.elapsed_time (et);
ACE_DEBUG ((LM_DEBUG,
ASYS_TEXT ("\t\treal time = %f secs \n\t\tuser time = %f secs \n\t\tsystem time = %f secs\n"),
et.real_time,
et.user_time,
et.system_time));
ACE_DEBUG ((LM_DEBUG,
ASYS_TEXT ("\t\t messages = %d\n\t\t total bytes = %d\n\t\tmbits/sec = %f\n\t\tusec-per-message = %f\n"),
message_count,
total_bytes,
(((double) total_bytes * 8) / et.real_time) / (double) (1024 * 1024),
((et.user_time + et.system_time) / (double) message_count) * 1000000));
// Close new endpoint (listening endpoint stays open).
new_stream.close ();
ACE_OS::free (buf);
return 0;
}
static int
run_event_loop (u_short port)
{
// Create the oneway and twoway acceptors.
ACE_SOCK_Acceptor twoway_acceptor;
ACE_SOCK_Acceptor oneway_acceptor;
// Create the oneway and twoway server addresses.
ACE_INET_Addr twoway_server_addr (port);
ACE_INET_Addr oneway_server_addr (port + 1);
// Create acceptors, reuse the address.
if (twoway_acceptor.open (twoway_server_addr, 1) == -1
|| oneway_acceptor.open (oneway_server_addr, 1) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"open"),
1);
else if (twoway_acceptor.get_local_addr (twoway_server_addr) == -1
|| oneway_acceptor.get_local_addr (oneway_server_addr) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"get_local_addr"),
1);
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) starting twoway server at port %d and oneway server at port %d\n",
twoway_server_addr.get_port_number (),
oneway_server_addr.get_port_number ()));
// Keep these objects out here to prevent excessive constructor
// calls within the loop.
ACE_SOCK_Stream new_stream;
fd_set handles;
FD_ZERO (&handles);
FD_SET (twoway_acceptor.get_handle (), &handles);
FD_SET (oneway_acceptor.get_handle (), &handles);
// Performs the iterative server activities.
for (;;)
{
ACE_Time_Value timeout (ACE_DEFAULT_TIMEOUT);
fd_set temp = handles;
int result = ACE_OS::select (int (oneway_acceptor.get_handle ()) + 1,
(fd_set *) &temp,
0,
0,
timeout);
if (result == -1)
ACE_ERROR ((LM_ERROR,
"(%P|%t) %p\n", "select"));
else if (result == 0)
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) select timed out\n"));
else
{
if (FD_ISSET (twoway_acceptor.get_handle (), &temp))
{
if (twoway_acceptor.accept (new_stream) == -1)
{
ACE_ERROR ((LM_ERROR, "%p\n", "accept"));
continue;
}
else
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) spawning twoway server\n"));
#if defined (ACE_HAS_THREADS)
// Spawn a new thread and run the new connection in that thread of
// control using the <server> function as the entry point.
if (ACE_Thread_Manager::instance ()->spawn ((ACE_THR_FUNC) twoway_server,
(void *) new_stream.get_handle (),
THR_DETACHED) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"(%P|%t) %p\n",
"spawn"),
1);
#else
twoway_server ((void *) new_stream.get_handle ());
#endif /* ACE_HAS_THREADS */
}
if (FD_ISSET (oneway_acceptor.get_handle (), &temp))
{
if (oneway_acceptor.accept (new_stream) == -1)
{
ACE_ERROR ((LM_ERROR, "%p\n", "accept"));
continue;
}
else
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) spawning oneway server\n"));
#if defined (ACE_HAS_THREADS)
// Spawn a new thread and run the new connection in that thread of
// control using the <server> function as the entry point.
if (ACE_Thread_Manager::instance ()->spawn ((ACE_THR_FUNC) oneway_server,
(void *) new_stream.get_handle (),
THR_DETACHED) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"(%P|%t) %p\n",
"spawn"),
1);
#else
oneway_server ((void *) new_stream.get_handle ());
#endif /* ACE_HAS_THREADS */
}
}
}
/* NOTREACHED */
}
int
main (int argc, char *argv[])
{
return run_event_loop (argc > 1 ? ACE_OS::atoi (argv[1]) : ACE_DEFAULT_SERVER_PORT);
}
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