120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* i3-msg/main.c: Utility which sends messages to a running i3-instance using
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* IPC via UNIX domain sockets.
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*
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* This (in combination with libi3/ipc_send_message.c and
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* libi3/ipc_recv_message.c) serves as an example for how to send your own
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* messages to i3.
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*
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* Additionally, it’s even useful sometimes :-).
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*
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*/
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#include "libi3.h"
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#include <err.h>
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#include <getopt.h>
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#include <i3/ipc.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <yajl/yajl_parse.h>
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/*
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* Having verboselog() and errorlog() is necessary when using libi3.
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*
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*/
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void verboselog(char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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vfprintf(stdout, fmt, args);
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va_end(args);
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}
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void errorlog(char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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vfprintf(stderr, fmt, args);
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va_end(args);
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}
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static char *last_key = NULL;
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int main(int argc, char *argv[]) {
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#if defined(__OpenBSD__)
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if (pledge("stdio rpath unix", NULL) == -1)
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err(EXIT_FAILURE, "pledge");
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#endif
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char *socket_path = NULL;
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int o, option_index = 0;
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char *payload = NULL;
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static struct option long_options[] = {
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{"socket", required_argument, 0, 's'},
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{"version", no_argument, 0, 'v'},
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{"help", no_argument, 0, 'h'},
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{0, 0, 0, 0}};
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char *options_string = "s:t:vhqm";
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while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) {
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if (o == 's') {
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free(socket_path);
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socket_path = sstrdup(optarg);
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} else if (o == 'v') {
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puts("i3-msg " I3_VERSION "\n");
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return 0;
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} else if (o == 'h') {
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puts("i3-msg " I3_VERSION "\n");
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puts("i3-msg [-s <socket>] [-m] <message>\n");
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return 0;
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} else if (o == '?') {
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exit(EXIT_FAILURE);
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}
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}
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/* Use all arguments, separated by whitespace, as payload.
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* This way, you don’t have to do i3-msg 'mark foo', you can use
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* i3-msg mark foo */
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while (optind < argc) {
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if (!payload) {
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payload = sstrdup(argv[optind]);
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} else {
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char *both;
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sasprintf(&both, "%s %s", payload, argv[optind]);
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free(payload);
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payload = both;
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}
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optind++;
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}
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if (!payload)
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payload = sstrdup("");
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int sockfd = ipc_connect(socket_path);
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if (ipc_send_message(sockfd, strlen(payload), (uint8_t *)payload) == -1)
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err(EXIT_FAILURE, "IPC: write()");
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free(payload);
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uint32_t reply_length;
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uint8_t *reply;
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int ret;
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if ((ret = ipc_recv_message(sockfd, &reply_length, &reply)) != 0) {
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if (ret == -1)
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err(EXIT_FAILURE, "IPC: read()");
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exit(1);
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}
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printf("%s", reply);
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return 0;
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}
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