contrib/fwd/src/fwd_ipc.h

   1 /*
   2  * fwd - OpenWrt firewall daemon - unix domain socket headers
   3  *
   4  *   Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
   5  *
   6  * The fwd program is free software: you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License version 2
   8  * as published by the Free Software Foundation.
   9  *
  10  * The fwd 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.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with the fwd program. If not, see http://www.gnu.org/licenses/.
  17  */
  18
  19 #ifndef __FWD_IPC_H__
  20 #define __FWD_IPC_H__
  21
  22 #include <unistd.h>
  23 #include <fcntl.h>
  24 #include <errno.h>
  25
  26 #include <sys/socket.h>
  27 #include <sys/un.h>
  28
  29 #define FWD_SOCKET_PATH "/var/run/fwd.sock"
  30
  31
  32 enum fwd_ipc_msgtype {
  33         FWD_IPC_OK     = 0,
  34         FWD_IPC_ERROR  = 1,
  35         FWD_IPC_FLUSH  = 2,
  36         FWD_IPC_BUILD  = 3,
  37         FWD_IPC_RELOAD = 4,
  38         FWD_IPC_ADDIF  = 5,
  39         FWD_IPC_DELIF  = 6
  40 };
  41
  42 struct fwd_ipc_msg {
  43         enum fwd_ipc_msgtype type;
  44         union {
  45                 char network[256];
  46         } data;
  47 };
  48
  49 int fwd_ipc_listen(void);
  50 int fwd_ipc_accept(int);
  51
  52 int fwd_ipc_connect(void);
  53
  54 int fwd_ipc_recvmsg(int, void *, int);
  55 int fwd_ipc_sendmsg(int, void *, int);
  56
  57 void fwd_ipc_shutdown(int);
  58
  59 int fwd_ipc_sendtype(int, enum fwd_ipc_msgtype);
  60
  61 #endif