72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/*
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* vim:ts=8:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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*
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* © 2009-2010 Michael Stapelberg and contributors
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*
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* See file LICENSE for license information.
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*
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*/
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#ifndef _IPC_H
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#define _IPC_H
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#include <ev.h>
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#include "i3/ipc.h"
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typedef struct ipc_client {
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int fd;
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/* The events which this client wants to receive */
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int num_events;
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char **events;
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TAILQ_ENTRY(ipc_client) clients;
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} ipc_client;
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/*
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* Callback type for the different message types.
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*
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* message is the raw packet, as received from the UNIX domain socket. size
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* is the remaining size of bytes for this packet.
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*
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* message_size is the size of the message as the sender specified it.
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* message_type is the type of the message as the sender specified it.
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*
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*/
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typedef void(*handler_t)(int, uint8_t*, int, uint32_t, uint32_t);
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/* Macro to declare a callback */
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#define IPC_HANDLER(name) \
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static void handle_ ## name (int fd, uint8_t *message, \
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int size, uint32_t message_size, \
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uint32_t message_type)
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/**
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* Handler for activity on the listening socket, meaning that a new client
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* has just connected and we should accept() him. Sets up the event handler
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* for activity on the new connection and inserts the file descriptor into
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* the list of clients.
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*
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*/
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void ipc_new_client(EV_P_ struct ev_io *w, int revents);
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/**
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* Creates the UNIX domain socket at the given path, sets it to non-blocking
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* mode, bind()s and listen()s on it.
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*
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*/
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int ipc_create_socket(const char *filename);
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/**
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* Sends the specified event to all IPC clients which are currently connected
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* and subscribed to this kind of event.
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*
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*/
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void ipc_send_event(const char *event, uint32_t message_type, const char *payload);
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#endif
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