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//=============================================================================
/**
* @file server.cpp
*
* $Id$
*
* @author Craig Rodrigues <crodrigu@bbn.com>
* @brief Start a server which listens for UDP packets on a specified port.
*/
//=============================================================================
#include "ace/Reactor.h"
#include "ace/Process.h"
#include "ace/SOCK_Dgram.h"
#include "ace/INET_Addr.h"
#include "ace/Log_Msg.h"
// Port used to receive for dgrams.
static u_short port1;
class Dgram_Endpoint : public ACE_Event_Handler
{
public:
Dgram_Endpoint (const ACE_INET_Addr &local_addr);
// = Hook methods inherited from the <ACE_Event_Handler>.
virtual ACE_HANDLE get_handle (void) const;
virtual int handle_input (ACE_HANDLE handle);
virtual int handle_timeout (const ACE_Time_Value & tv,
const void *arg = 0);
virtual int handle_close (ACE_HANDLE handle,
ACE_Reactor_Mask close_mask);
int send (const char *buf, size_t len, const ACE_INET_Addr &);
// Send the <buf> to the peer.
private:
ACE_SOCK_Dgram endpoint_;
// Wrapper for sending/receiving dgrams.
};
int
Dgram_Endpoint::send (const char *buf,
size_t len,
const ACE_INET_Addr &addr)
{
return this->endpoint_.send (buf, len, addr);
}
Dgram_Endpoint::Dgram_Endpoint (const ACE_INET_Addr &local_addr)
: endpoint_ (local_addr)
{
}
ACE_HANDLE
Dgram_Endpoint::get_handle (void) const
{
return this->endpoint_.get_handle ();
}
int
Dgram_Endpoint::handle_close (ACE_HANDLE handle,
ACE_Reactor_Mask)
{
ACE_UNUSED_ARG (handle);
this->endpoint_.close ();
delete this;
return 0;
}
int
Dgram_Endpoint::handle_input (ACE_HANDLE)
{
char buf[BUFSIZ];
ACE_INET_Addr from_addr;
ssize_t n = this->endpoint_.recv (buf,
sizeof buf,
from_addr);
if (n == -1)
ACE_ERROR ((LM_ERROR,
"%p\n",
"handle_input"));
else
{
buf[n] = 0;
ACE_DEBUG ((LM_DEBUG,
"Received buf of size %d = %s\n",
n,
buf));
}
return 0;
}
int
Dgram_Endpoint::handle_timeout (const ACE_Time_Value &,
const void *)
{
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) timed out for endpoint\n"));
return 0;
}
static int
run_test (u_short localport)
{
ACE_INET_Addr local_addr (localport);
Dgram_Endpoint *endpoint;
ACE_NEW_RETURN (endpoint,
Dgram_Endpoint (local_addr),
-1);
ACE_DEBUG((LM_DEBUG, "Starting server on port %d\n",port1));
// Read data from other side.
if (ACE_Reactor::instance ()->register_handler
(endpoint,
ACE_Event_Handler::READ_MASK) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"ACE_Reactor::register_handler"),
-1);
int ret;
while(1){
ACE_Time_Value tv(10, 0);
ret = ACE_Reactor::instance ()->handle_events (&tv);
/* Error occurred while handling event */
if (ret < 0)
{
ACE_ERROR_RETURN ((LM_DEBUG,
"(%P|%t) %p\n",
"handle_events"),
-1);
}
/* We have timed out without handling an event, break out of loop */
if(ret == 0) break;
}
return 0;
}
int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
// Estabish call backs and socket names.
port1 = argc > 1 ? ACE_OS::atoi (argv[1]) : ACE_DEFAULT_SERVER_PORT;
if(argc < 3)
{
run_test (port1);
}
else{
ACE_DEBUG((LM_DEBUG, "\nUsage:\n %s [port number]\n", argv[0]));
return -1;
}
return 0;
}
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