4 * i3 - an improved dynamic tiling window manager
6 * © 2009-2010 Michael Stapelberg and contributors
8 * See file LICENSE for license information.
17 #include <yajl/yajl_gen.h>
18 #include <yajl/yajl_parse.h>
25 extern char *current_socketpath;
27 typedef struct ipc_client {
30 /* The events which this client wants to receive */
34 TAILQ_ENTRY(ipc_client) clients;
38 * Callback type for the different message types.
40 * message is the raw packet, as received from the UNIX domain socket. size
41 * is the remaining size of bytes for this packet.
43 * message_size is the size of the message as the sender specified it.
44 * message_type is the type of the message as the sender specified it.
47 typedef void(*handler_t)(int, uint8_t*, int, uint32_t, uint32_t);
49 /* Macro to declare a callback */
50 #define IPC_HANDLER(name) \
51 static void handle_ ## name (int fd, uint8_t *message, \
52 int size, uint32_t message_size, \
53 uint32_t message_type)
56 * Handler for activity on the listening socket, meaning that a new client
57 * has just connected and we should accept() him. Sets up the event handler
58 * for activity on the new connection and inserts the file descriptor into
59 * the list of clients.
62 void ipc_new_client(EV_P_ struct ev_io *w, int revents);
65 * Creates the UNIX domain socket at the given path, sets it to non-blocking
66 * mode, bind()s and listen()s on it.
69 int ipc_create_socket(const char *filename);
72 * Sends the specified event to all IPC clients which are currently connected
73 * and subscribed to this kind of event.
76 void ipc_send_event(const char *event, uint32_t message_type, const char *payload);
79 * Calls shutdown() on each socket and closes it. This function to be called
80 * when exiting or restarting only!
85 void dump_node(yajl_gen gen, Con *con, bool inplace_restart);