net_logger.c

/*  RetroArch - A frontend for libretro.
 *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
 *  Copyright (C) 2011-2016 - Daniel De Matteis
 *
 *  RetroArch is free software: you can redistribute it and/or modify it under the terms
 *  of the GNU General Public License as published by the Free Software Found-
 *  ation, either version 3 of the License, or (at your option) any later version.
 *
 *  RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 *  PURPOSE.  See the GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along with RetroArch.
 *  If not, see <http://www.gnu.org/licenses/>.
 */

#if defined(__CELLOS_LV2__) || defined(__PSL1GHT__)
#include "../defines/ps3_defines.h"
#endif

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>

#include <retro_miscellaneous.h>
#include <net/net_compat.h>
#include <net/net_socket.h>

#include "../verbosity.h"

#if !defined(PC_DEVELOPMENT_IP_ADDRESS)
#error "An IP address for the PC logging server was not set in the Makefile, cannot continue."
#endif

#if !defined(PC_DEVELOPMENT_UDP_PORT)
#error "An UDP port for the PC logging server was not set in the Makefile, cannot continue."
#endif

static int g_sid;
static struct sockaddr_in target;

void logger_init (void)
{
   socket_target_t in_target;
   const char *server = PC_DEVELOPMENT_IP_ADDRESS;
   unsigned      port = PC_DEVELOPMENT_UDP_PORT;

   if (!network_init())
   {
      printf("Could not initialize network logger interface.\n");
      return;
   }

   g_sid  = socket_create(
         "ra_netlogger",
         SOCKET_DOMAIN_INET,
         SOCKET_TYPE_DATAGRAM,
         SOCKET_PROTOCOL_NONE);

   in_target.port   = port;
   in_target.server = server;
   in_target.domain = SOCKET_DOMAIN_INET;

   socket_set_target(&target, &in_target); 
}

void logger_shutdown (void)
{
   if (socket_close(g_sid) < 0)
      printf("Could not close socket.\n");

   network_deinit();
}

void logger_send(const char *__format,...)
{
   va_list args;

   va_start(args,__format);
   logger_send_v(__format, args);
   va_end(args);
}

void logger_send_v(const char *__format, va_list args)
{
   static char sendbuf[4096];
   int len;

   vsnprintf(sendbuf,4000,__format, args);
   len = strlen(sendbuf);

   sendto(g_sid,
         sendbuf,
         len,
         MSG_DONTWAIT,
         (struct sockaddr*)&target,
         sizeof(target));
}