contrib/fwd: initial IPC work

[project/luci.git] / contrib / fwd / src / fwd_ipc.h

diff --git a/contrib/fwd/src/fwd_ipc.h b/contrib/fwd/src/fwd_ipc.h
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+++ b/contrib/fwd/src/fwd_ipc.h
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+/*
+ * fwd - OpenWrt firewall daemon - unix domain socket headers
+ *
+ *   Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
+ *
+ * The fwd program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * The fwd program 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 the fwd program. If not, see http://www.gnu.org/licenses/.
+ */
+
+#ifndef __FWD_IPC_H__
+#define __FWD_IPC_H__
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#define FWD_SOCKET_PATH        "/var/run/fwd.sock"
+
+
+enum fwd_ipc_msgtype {
+       FWD_IPC_OK     = 0,
+       FWD_IPC_ERROR  = 1,
+       FWD_IPC_FLUSH  = 2,
+       FWD_IPC_BUILD  = 3,
+       FWD_IPC_RELOAD = 4,
+       FWD_IPC_ADDIF  = 5,
+       FWD_IPC_DELIF  = 6
+};
+
+struct fwd_ipc_msg {
+       enum fwd_ipc_msgtype type;
+       union {
+               char network[256];
+       } data;
+};
+
+int fwd_ipc_listen(void);
+int fwd_ipc_accept(int);
+
+int fwd_ipc_connect(void);
+
+int fwd_ipc_recvmsg(int, void *, int);
+int fwd_ipc_sendmsg(int, void *, int);
+
+void fwd_ipc_shutdown(int);
+
+int fwd_ipc_sendtype(int, enum fwd_ipc_msgtype);
+
+#endif