eibd/libserver/inetserver.cpp

   1 /*
   2     EIBD eib bus access and management daemon
   3     Copyright (C) 2005-2007 Martin Koegler <mkoegler@auto.tuwien.ac.at>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18 */
  19
  20 #include <sys/types.h>
  21 #include <sys/socket.h>
  22 #include <netinet/in.h>
  23 #include <netinet/tcp.h>
  24 #include <unistd.h>
  25 #include <string.h>
  26 #include "inetserver.h"
  27
  28 InetServer::InetServer (Layer3 * la3, Trace * tr, int port):
  29 Server (la3, tr)
  30 {
  31   struct sockaddr_in addr;
  32   int reuse = 1;
  33   TRACEPRINTF (tr, 8, this, "OpenInetSocket %d", port);
  34   memset (&addr, 0, sizeof (addr));
  35   addr.sin_family = AF_INET;
  36   addr.sin_port = htons (port);
  37   addr.sin_addr.s_addr = htonl (INADDR_ANY);
  38
  39   fd = socket (AF_INET, SOCK_STREAM, 0);
  40   if (fd == -1)
  41     throw Exception (DEV_OPEN_FAIL);
  42
  43   setsockopt (fd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof (reuse));
  44
  45   if (bind (fd, (struct sockaddr *) &addr, sizeof (addr)) == -1)
  46     throw Exception (DEV_OPEN_FAIL);
  47
  48   if (listen (fd, 10) == -1)
  49     throw Exception (DEV_OPEN_FAIL);
  50
  51   TRACEPRINTF (tr, 8, this, "InetSocket opened");
  52   Start ();
  53 }
  54
  55 void
  56 InetServer::setupConnection (int cfd)
  57 {
  58   int val = 1;
  59   setsockopt (cfd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));
  60 }