1 #define _POSIX_C_SOURCE 200809L
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <string.h>
5 #include <strings.h>
6 #include <getopt.h>
7 #include <stdint.h>
8 #include <sys/un.h>
9 #include <sys/socket.h>
10 #include <sys/time.h>
11 #include <ctype.h>
12 #include <unistd.h>
13 #include <json.h>
14 #include "stringop.h"
15 #include "ipc-client.h"
16 #include "log.h"
17
sway_terminate(int exit_code)18 void sway_terminate(int exit_code) {
19 exit(exit_code);
20 }
21
success_object(json_object * result)22 static bool success_object(json_object *result) {
23 json_object *success;
24
25 if (!json_object_object_get_ex(result, "success", &success)) {
26 return true;
27 }
28
29 return json_object_get_boolean(success);
30 }
31
32 // Iterate results array and return false if any of them failed
success(json_object * r,bool fallback)33 static bool success(json_object *r, bool fallback) {
34 if (!json_object_is_type(r, json_type_array)) {
35 if (json_object_is_type(r, json_type_object)) {
36 return success_object(r);
37 }
38 return fallback;
39 }
40
41 size_t results_len = json_object_array_length(r);
42 if (!results_len) {
43 return fallback;
44 }
45
46 for (size_t i = 0; i < results_len; ++i) {
47 json_object *result = json_object_array_get_idx(r, i);
48
49 if (!success_object(result)) {
50 return false;
51 }
52 }
53
54 return true;
55 }
56
pretty_print_cmd(json_object * r)57 static void pretty_print_cmd(json_object *r) {
58 if (!success_object(r)) {
59 json_object *error;
60 if (!json_object_object_get_ex(r, "error", &error)) {
61 printf("An unknkown error occurred");
62 } else {
63 printf("Error: %s\n", json_object_get_string(error));
64 }
65 }
66 }
67
pretty_print_workspace(json_object * w)68 static void pretty_print_workspace(json_object *w) {
69 json_object *name, *rect, *visible, *output, *urgent, *layout,
70 *representation, *focused;
71 json_object_object_get_ex(w, "name", &name);
72 json_object_object_get_ex(w, "rect", &rect);
73 json_object_object_get_ex(w, "visible", &visible);
74 json_object_object_get_ex(w, "output", &output);
75 json_object_object_get_ex(w, "urgent", &urgent);
76 json_object_object_get_ex(w, "layout", &layout);
77 json_object_object_get_ex(w, "representation", &representation);
78 json_object_object_get_ex(w, "focused", &focused);
79 printf(
80 "Workspace %s%s%s%s\n"
81 " Output: %s\n"
82 " Layout: %s\n"
83 " Representation: %s\n\n",
84 json_object_get_string(name),
85 json_object_get_boolean(focused) ? " (focused)" : "",
86 !json_object_get_boolean(visible) ? " (off-screen)" : "",
87 json_object_get_boolean(urgent) ? " (urgent)" : "",
88 json_object_get_string(output),
89 json_object_get_string(layout),
90 json_object_get_string(representation)
91 );
92 }
93
pretty_type_name(const char * name)94 static const char *pretty_type_name(const char *name) {
95 // TODO these constants probably belong in the common lib
96 struct {
97 const char *a;
98 const char *b;
99 } type_names[] = {
100 { "keyboard", "Keyboard" },
101 { "pointer", "Mouse" },
102 { "touchpad", "Touchpad" },
103 { "tablet_pad", "Tablet pad" },
104 { "tablet_tool", "Tablet tool" },
105 { "touch", "Touch" },
106 { "switch", "Switch" },
107 };
108
109 for (size_t i = 0; i < sizeof(type_names) / sizeof(type_names[0]); ++i) {
110 if (strcmp(type_names[i].a, name) == 0) {
111 return type_names[i].b;
112 }
113 }
114
115 return name;
116 }
117
pretty_print_input(json_object * i)118 static void pretty_print_input(json_object *i) {
119 json_object *id, *name, *type, *product, *vendor, *kbdlayout, *libinput;
120 json_object_object_get_ex(i, "identifier", &id);
121 json_object_object_get_ex(i, "name", &name);
122 json_object_object_get_ex(i, "type", &type);
123 json_object_object_get_ex(i, "product", &product);
124 json_object_object_get_ex(i, "vendor", &vendor);
125
126 const char *fmt =
127 "Input device: %s\n"
128 " Type: %s\n"
129 " Identifier: %s\n"
130 " Product ID: %d\n"
131 " Vendor ID: %d\n";
132
133
134 printf(fmt, json_object_get_string(name),
135 pretty_type_name(json_object_get_string(type)),
136 json_object_get_string(id),
137 json_object_get_int(product),
138 json_object_get_int(vendor));
139
140 if (json_object_object_get_ex(i, "xkb_active_layout_name", &kbdlayout)) {
141 const char *layout = json_object_get_string(kbdlayout);
142 printf(" Active Keyboard Layout: %s\n", layout ? layout : "(unnamed)");
143 }
144
145 if (json_object_object_get_ex(i, "libinput", &libinput)) {
146 json_object *events;
147 if (json_object_object_get_ex(libinput, "send_events", &events)) {
148 printf(" Libinput Send Events: %s\n",
149 json_object_get_string(events));
150 }
151 }
152
153 printf("\n");
154 }
155
pretty_print_seat(json_object * i)156 static void pretty_print_seat(json_object *i) {
157 json_object *name, *capabilities, *devices;
158 json_object_object_get_ex(i, "name", &name);
159 json_object_object_get_ex(i, "capabilities", &capabilities);
160 json_object_object_get_ex(i, "devices", &devices);
161
162 const char *fmt =
163 "Seat: %s\n"
164 " Capabilities: %d\n";
165
166 printf(fmt, json_object_get_string(name),
167 json_object_get_int(capabilities));
168
169 size_t devices_len = json_object_array_length(devices);
170 if (devices_len > 0) {
171 printf(" Devices:\n");
172 for (size_t i = 0; i < devices_len; ++i) {
173 json_object *device = json_object_array_get_idx(devices, i);
174
175 json_object *device_name;
176 json_object_object_get_ex(device, "name", &device_name);
177
178 printf(" %s\n", json_object_get_string(device_name));
179 }
180 }
181
182 printf("\n");
183 }
184
pretty_print_output(json_object * o)185 static void pretty_print_output(json_object *o) {
186 json_object *name, *rect, *focused, *active, *ws, *current_mode;
187 json_object_object_get_ex(o, "name", &name);
188 json_object_object_get_ex(o, "rect", &rect);
189 json_object_object_get_ex(o, "focused", &focused);
190 json_object_object_get_ex(o, "active", &active);
191 json_object_object_get_ex(o, "current_workspace", &ws);
192 json_object *make, *model, *serial, *scale, *scale_filter, *subpixel,
193 *transform, *max_render_time, *adaptive_sync_status;
194 json_object_object_get_ex(o, "make", &make);
195 json_object_object_get_ex(o, "model", &model);
196 json_object_object_get_ex(o, "serial", &serial);
197 json_object_object_get_ex(o, "scale", &scale);
198 json_object_object_get_ex(o, "scale_filter", &scale_filter);
199 json_object_object_get_ex(o, "subpixel_hinting", &subpixel);
200 json_object_object_get_ex(o, "transform", &transform);
201 json_object_object_get_ex(o, "max_render_time", &max_render_time);
202 json_object_object_get_ex(o, "adaptive_sync_status", &adaptive_sync_status);
203 json_object *x, *y;
204 json_object_object_get_ex(rect, "x", &x);
205 json_object_object_get_ex(rect, "y", &y);
206 json_object *modes;
207 json_object_object_get_ex(o, "modes", &modes);
208 json_object *width, *height, *refresh;
209 json_object_object_get_ex(o, "current_mode", ¤t_mode);
210 json_object_object_get_ex(current_mode, "width", &width);
211 json_object_object_get_ex(current_mode, "height", &height);
212 json_object_object_get_ex(current_mode, "refresh", &refresh);
213
214 if (json_object_get_boolean(active)) {
215 printf(
216 "Output %s '%s %s %s'%s\n"
217 " Current mode: %dx%d @ %f Hz\n"
218 " Position: %d,%d\n"
219 " Scale factor: %f\n"
220 " Scale filter: %s\n"
221 " Subpixel hinting: %s\n"
222 " Transform: %s\n"
223 " Workspace: %s\n",
224 json_object_get_string(name),
225 json_object_get_string(make),
226 json_object_get_string(model),
227 json_object_get_string(serial),
228 json_object_get_boolean(focused) ? " (focused)" : "",
229 json_object_get_int(width),
230 json_object_get_int(height),
231 (float)json_object_get_int(refresh) / 1000,
232 json_object_get_int(x), json_object_get_int(y),
233 json_object_get_double(scale),
234 json_object_get_string(scale_filter),
235 json_object_get_string(subpixel),
236 json_object_get_string(transform),
237 json_object_get_string(ws)
238 );
239
240 int max_render_time_int = json_object_get_int(max_render_time);
241 printf(" Max render time: ");
242 printf(max_render_time_int == 0 ? "off\n" : "%d ms\n", max_render_time_int);
243
244 printf(" Adaptive sync: %s\n",
245 json_object_get_string(adaptive_sync_status));
246 } else {
247 printf(
248 "Output %s '%s %s %s' (inactive)\n",
249 json_object_get_string(name),
250 json_object_get_string(make),
251 json_object_get_string(model),
252 json_object_get_string(serial)
253 );
254 }
255
256 size_t modes_len = json_object_is_type(modes, json_type_array)
257 ? json_object_array_length(modes) : 0;
258 if (modes_len > 0) {
259 printf(" Available modes:\n");
260 for (size_t i = 0; i < modes_len; ++i) {
261 json_object *mode = json_object_array_get_idx(modes, i);
262
263 json_object *mode_width, *mode_height, *mode_refresh;
264 json_object_object_get_ex(mode, "width", &mode_width);
265 json_object_object_get_ex(mode, "height", &mode_height);
266 json_object_object_get_ex(mode, "refresh", &mode_refresh);
267
268 printf(" %dx%d @ %f Hz\n", json_object_get_int(mode_width),
269 json_object_get_int(mode_height),
270 (float)json_object_get_int(mode_refresh) / 1000);
271 }
272 }
273
274 printf("\n");
275 }
276
pretty_print_version(json_object * v)277 static void pretty_print_version(json_object *v) {
278 json_object *ver;
279 json_object_object_get_ex(v, "human_readable", &ver);
280 printf("sway version %s\n", json_object_get_string(ver));
281 }
282
pretty_print_config(json_object * c)283 static void pretty_print_config(json_object *c) {
284 json_object *config;
285 json_object_object_get_ex(c, "config", &config);
286 printf("%s\n", json_object_get_string(config));
287 }
288
pretty_print(int type,json_object * resp)289 static void pretty_print(int type, json_object *resp) {
290 if (type != IPC_COMMAND && type != IPC_GET_WORKSPACES &&
291 type != IPC_GET_INPUTS && type != IPC_GET_OUTPUTS &&
292 type != IPC_GET_VERSION && type != IPC_GET_SEATS &&
293 type != IPC_GET_CONFIG && type != IPC_SEND_TICK) {
294 printf("%s\n", json_object_to_json_string_ext(resp,
295 JSON_C_TO_STRING_PRETTY | JSON_C_TO_STRING_SPACED));
296 return;
297 }
298
299 if (type == IPC_SEND_TICK) {
300 return;
301 }
302
303 if (type == IPC_GET_VERSION) {
304 pretty_print_version(resp);
305 return;
306 }
307
308 if (type == IPC_GET_CONFIG) {
309 pretty_print_config(resp);
310 return;
311 }
312
313 json_object *obj;
314 size_t len = json_object_array_length(resp);
315 for (size_t i = 0; i < len; ++i) {
316 obj = json_object_array_get_idx(resp, i);
317 switch (type) {
318 case IPC_COMMAND:
319 pretty_print_cmd(obj);
320 break;
321 case IPC_GET_WORKSPACES:
322 pretty_print_workspace(obj);
323 break;
324 case IPC_GET_INPUTS:
325 pretty_print_input(obj);
326 break;
327 case IPC_GET_OUTPUTS:
328 pretty_print_output(obj);
329 break;
330 case IPC_GET_SEATS:
331 pretty_print_seat(obj);
332 break;
333 }
334 }
335 }
336
main(int argc,char ** argv)337 int main(int argc, char **argv) {
338 static bool quiet = false;
339 static bool raw = false;
340 static bool monitor = false;
341 char *socket_path = NULL;
342 char *cmdtype = NULL;
343
344 sway_log_init(SWAY_INFO, NULL);
345
346 static struct option long_options[] = {
347 {"help", no_argument, NULL, 'h'},
348 {"monitor", no_argument, NULL, 'm'},
349 {"pretty", no_argument, NULL, 'p'},
350 {"quiet", no_argument, NULL, 'q'},
351 {"raw", no_argument, NULL, 'r'},
352 {"socket", required_argument, NULL, 's'},
353 {"type", required_argument, NULL, 't'},
354 {"version", no_argument, NULL, 'v'},
355 {0, 0, 0, 0}
356 };
357
358 const char *usage =
359 "Usage: swaymsg [options] [message]\n"
360 "\n"
361 " -h, --help Show help message and quit.\n"
362 " -m, --monitor Monitor until killed (-t SUBSCRIBE only)\n"
363 " -p, --pretty Use pretty output even when not using a tty\n"
364 " -q, --quiet Be quiet.\n"
365 " -r, --raw Use raw output even if using a tty\n"
366 " -s, --socket <socket> Use the specified socket.\n"
367 " -t, --type <type> Specify the message type.\n"
368 " -v, --version Show the version number and quit.\n";
369
370 raw = !isatty(STDOUT_FILENO);
371
372 int c;
373 while (1) {
374 int option_index = 0;
375 c = getopt_long(argc, argv, "hmpqrs:t:v", long_options, &option_index);
376 if (c == -1) {
377 break;
378 }
379 switch (c) {
380 case 'm': // Monitor
381 monitor = true;
382 break;
383 case 'p': // Pretty
384 raw = false;
385 break;
386 case 'q': // Quiet
387 quiet = true;
388 break;
389 case 'r': // Raw
390 raw = true;
391 break;
392 case 's': // Socket
393 socket_path = strdup(optarg);
394 break;
395 case 't': // Type
396 cmdtype = strdup(optarg);
397 break;
398 case 'v':
399 fprintf(stdout, "swaymsg version " SWAY_VERSION "\n");
400 exit(EXIT_SUCCESS);
401 break;
402 default:
403 fprintf(stderr, "%s", usage);
404 exit(EXIT_FAILURE);
405 }
406 }
407
408 if (!cmdtype) {
409 cmdtype = strdup("command");
410 }
411 if (!socket_path) {
412 socket_path = get_socketpath();
413 if (!socket_path) {
414 if (quiet) {
415 exit(EXIT_FAILURE);
416 }
417 sway_abort("Unable to retrieve socket path");
418 }
419 }
420
421 uint32_t type = IPC_COMMAND;
422
423 if (strcasecmp(cmdtype, "command") == 0) {
424 type = IPC_COMMAND;
425 } else if (strcasecmp(cmdtype, "get_workspaces") == 0) {
426 type = IPC_GET_WORKSPACES;
427 } else if (strcasecmp(cmdtype, "get_seats") == 0) {
428 type = IPC_GET_SEATS;
429 } else if (strcasecmp(cmdtype, "get_inputs") == 0) {
430 type = IPC_GET_INPUTS;
431 } else if (strcasecmp(cmdtype, "get_outputs") == 0) {
432 type = IPC_GET_OUTPUTS;
433 } else if (strcasecmp(cmdtype, "get_tree") == 0) {
434 type = IPC_GET_TREE;
435 } else if (strcasecmp(cmdtype, "get_marks") == 0) {
436 type = IPC_GET_MARKS;
437 } else if (strcasecmp(cmdtype, "get_bar_config") == 0) {
438 type = IPC_GET_BAR_CONFIG;
439 } else if (strcasecmp(cmdtype, "get_version") == 0) {
440 type = IPC_GET_VERSION;
441 } else if (strcasecmp(cmdtype, "get_binding_modes") == 0) {
442 type = IPC_GET_BINDING_MODES;
443 } else if (strcasecmp(cmdtype, "get_binding_state") == 0) {
444 type = IPC_GET_BINDING_STATE;
445 } else if (strcasecmp(cmdtype, "get_config") == 0) {
446 type = IPC_GET_CONFIG;
447 } else if (strcasecmp(cmdtype, "send_tick") == 0) {
448 type = IPC_SEND_TICK;
449 } else if (strcasecmp(cmdtype, "subscribe") == 0) {
450 type = IPC_SUBSCRIBE;
451 } else {
452 if (quiet) {
453 exit(EXIT_FAILURE);
454 }
455 sway_abort("Unknown message type %s", cmdtype);
456 }
457
458 free(cmdtype);
459
460 if (monitor && type != IPC_SUBSCRIBE) {
461 if (!quiet) {
462 sway_log(SWAY_ERROR, "Monitor can only be used with -t SUBSCRIBE");
463 }
464 free(socket_path);
465 return 1;
466 }
467
468 char *command = NULL;
469 if (optind < argc) {
470 command = join_args(argv + optind, argc - optind);
471 } else {
472 command = strdup("");
473 }
474
475 int ret = 0;
476 int socketfd = ipc_open_socket(socket_path);
477 struct timeval timeout = {.tv_sec = 3, .tv_usec = 0};
478 ipc_set_recv_timeout(socketfd, timeout);
479 uint32_t len = strlen(command);
480 char *resp = ipc_single_command(socketfd, type, command, &len);
481
482 // pretty print the json
483 json_object *obj = json_tokener_parse(resp);
484 if (obj == NULL) {
485 if (!quiet) {
486 fprintf(stderr, "ERROR: Could not parse json response from ipc. "
487 "This is a bug in sway.");
488 printf("%s\n", resp);
489 }
490 ret = 1;
491 } else {
492 if (!success(obj, true)) {
493 ret = 2;
494 }
495 if (!quiet && (type != IPC_SUBSCRIBE || ret != 0)) {
496 if (raw) {
497 printf("%s\n", json_object_to_json_string_ext(obj,
498 JSON_C_TO_STRING_PRETTY | JSON_C_TO_STRING_SPACED));
499 } else {
500 pretty_print(type, obj);
501 }
502 }
503 json_object_put(obj);
504 }
505 free(command);
506 free(resp);
507
508 if (type == IPC_SUBSCRIBE && ret == 0) {
509 // Remove the timeout for subscribed events
510 timeout.tv_sec = 0;
511 timeout.tv_usec = 0;
512 ipc_set_recv_timeout(socketfd, timeout);
513
514 do {
515 struct ipc_response *reply = ipc_recv_response(socketfd);
516 if (!reply) {
517 break;
518 }
519
520 json_object *obj = json_tokener_parse(reply->payload);
521 if (obj == NULL) {
522 if (!quiet) {
523 fprintf(stderr, "ERROR: Could not parse json response from"
524 " ipc. This is a bug in sway.");
525 ret = 1;
526 }
527 break;
528 } else if (quiet) {
529 json_object_put(obj);
530 } else {
531 if (raw) {
532 printf("%s\n", json_object_to_json_string(obj));
533 } else {
534 printf("%s\n", json_object_to_json_string_ext(obj,
535 JSON_C_TO_STRING_PRETTY | JSON_C_TO_STRING_SPACED));
536 }
537 fflush(stdout);
538 json_object_put(obj);
539 }
540
541 free_ipc_response(reply);
542 } while (monitor);
543 }
544
545 close(socketfd);
546 free(socket_path);
547 return ret;
548 }
549