/*
- * vim:ts=8:expandtab
+ * vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
+ * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
*
- * © 2009 Michael Stapelberg and contributors
- *
- * See file LICENSE for license information.
+ * ipc.c: UNIX domain socket IPC (initialization, client handling, protocol).
*
*/
-
#ifndef _IPC_H
#define _IPC_H
#include <ev.h>
+#include <stdbool.h>
+#include <yajl/yajl_gen.h>
+#include <yajl/yajl_parse.h>
+
+#include "data.h"
+#include "tree.h"
#include "i3/ipc.h"
+extern char *current_socketpath;
+
+typedef struct ipc_client {
+ int fd;
+
+ /* The events which this client wants to receive */
+ int num_events;
+ char **events;
+
+ TAILQ_ENTRY(ipc_client) clients;
+} ipc_client;
+
+/*
+ * Callback type for the different message types.
+ *
+ * message is the raw packet, as received from the UNIX domain socket. size
+ * is the remaining size of bytes for this packet.
+ *
+ * message_size is the size of the message as the sender specified it.
+ * message_type is the type of the message as the sender specified it.
+ *
+ */
+typedef void(*handler_t)(int, uint8_t*, int, uint32_t, uint32_t);
+
+/* Macro to declare a callback */
+#define IPC_HANDLER(name) \
+ static void handle_ ## name (int fd, uint8_t *message, \
+ int size, uint32_t message_size, \
+ uint32_t message_type)
+
/**
* Handler for activity on the listening socket, meaning that a new client
* has just connected and we should accept() him. Sets up the event handler
*/
int ipc_create_socket(const char *filename);
+/**
+ * Sends the specified event to all IPC clients which are currently connected
+ * and subscribed to this kind of event.
+ *
+ */
+void ipc_send_event(const char *event, uint32_t message_type, const char *payload);
+
+/**
+ * Calls shutdown() on each socket and closes it. This function to be called
+ * when exiting or restarting only!
+ *
+ */
+void ipc_shutdown(void);
+
+void dump_node(yajl_gen gen, Con *con, bool inplace_restart);
+
#endif