7 #include "cli-command.h"
12 #include "sinkinput.h"
13 #include "sourceoutput.h"
14 #include "tokenizer.h"
21 int (*proc) (struct pa_core *c, struct pa_tokenizer*t, struct pa_strbuf *buf, int *fail, int *verbose);
26 static int pa_cli_command_exit(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
27 static int pa_cli_command_help(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
28 static int pa_cli_command_modules(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
29 static int pa_cli_command_clients(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
30 static int pa_cli_command_sinks(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
31 static int pa_cli_command_sources(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
32 static int pa_cli_command_sink_inputs(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
33 static int pa_cli_command_source_outputs(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
34 static int pa_cli_command_stat(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
35 static int pa_cli_command_info(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
36 static int pa_cli_command_load(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
37 static int pa_cli_command_unload(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
38 static int pa_cli_command_sink_volume(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
39 static int pa_cli_command_sink_input_volume(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
40 static int pa_cli_command_sink_default(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
41 static int pa_cli_command_source_default(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
42 static int pa_cli_command_kill_client(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
43 static int pa_cli_command_kill_sink_input(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
44 static int pa_cli_command_kill_source_output(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
46 static const struct command commands[] = {
47 { "exit", pa_cli_command_exit, "Terminate the daemon", 1 },
48 { "help", pa_cli_command_help, "Show this help", 1 },
49 { "modules", pa_cli_command_modules, "List loaded modules", 1 },
50 { "sinks", pa_cli_command_sinks, "List loaded sinks", 1 },
51 { "sources", pa_cli_command_sources, "List loaded sources", 1 },
52 { "clients", pa_cli_command_clients, "List loaded clients", 1 },
53 { "sink_inputs", pa_cli_command_sink_inputs, "List sink inputs", 1 },
54 { "source_outputs", pa_cli_command_source_outputs, "List source outputs", 1 },
55 { "stat", pa_cli_command_stat, "Show memory block statistics", 1 },
56 { "info", pa_cli_command_info, "Show comprehensive status", 1 },
57 { "ls", pa_cli_command_info, NULL, 1 },
58 { "list", pa_cli_command_info, NULL, 1 },
59 { "load", pa_cli_command_load, "Load a module (args: name, arguments)", 3},
60 { "unload", pa_cli_command_unload, "Unload a module (args: index)", 2},
61 { "sink_volume", pa_cli_command_sink_volume, "Set the volume of a sink (args: index|name, volume)", 3},
62 { "sink_input_volume", pa_cli_command_sink_input_volume, "Set the volume of a sink input (args: index|name, volume)", 3},
63 { "sink_default", pa_cli_command_sink_default, "Set the default sink (args: index|name)", 2},
64 { "source_default", pa_cli_command_source_default, "Set the default source (args: index|name)", 2},
65 { "kill_client", pa_cli_command_kill_client, "Kill a client (args: index)", 2},
66 { "kill_sink_input", pa_cli_command_kill_sink_input, "Kill a sink input (args: index)", 2},
67 { "kill_source_output", pa_cli_command_kill_source_output, "Kill a source output (args: index)", 2},
68 { NULL, NULL, NULL, 0 }
71 static const char whitespace[] = " \t\n\r";
72 static const char linebreak[] = "\n\r";
74 static uint32_t parse_index(const char *n) {
77 index = strtol(n, &x, 0);
78 if (!x || *x != 0 || index < 0)
79 return (uint32_t) PA_IDXSET_INVALID;
81 return (uint32_t) index;
84 static int pa_cli_command_exit(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
85 assert(c && c->mainloop && t);
86 c->mainloop->quit(c->mainloop, 0);
90 static int pa_cli_command_help(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
91 const struct command*command;
92 assert(c && t && buf);
94 pa_strbuf_puts(buf, "Available commands:\n");
96 for (command = commands; command->name; command++)
98 pa_strbuf_printf(buf, " %-20s %s\n", command->name, command->help);
102 static int pa_cli_command_modules(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
105 s = pa_module_list_to_string(c);
107 pa_strbuf_puts(buf, s);
112 static int pa_cli_command_clients(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
115 s = pa_client_list_to_string(c);
117 pa_strbuf_puts(buf, s);
122 static int pa_cli_command_sinks(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
125 s = pa_sink_list_to_string(c);
127 pa_strbuf_puts(buf, s);
132 static int pa_cli_command_sources(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
135 s = pa_source_list_to_string(c);
137 pa_strbuf_puts(buf, s);
142 static int pa_cli_command_sink_inputs(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
145 s = pa_sink_input_list_to_string(c);
147 pa_strbuf_puts(buf, s);
152 static int pa_cli_command_source_outputs(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
155 s = pa_source_output_list_to_string(c);
157 pa_strbuf_puts(buf, s);
162 static int pa_cli_command_stat(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
164 pa_strbuf_printf(buf, "Memory blocks allocated: %u, total size: %u bytes.\n", pa_memblock_count, pa_memblock_total);
168 static int pa_cli_command_info(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
170 pa_cli_command_stat(c, t, buf, fail, verbose);
171 pa_cli_command_modules(c, t, buf, fail, verbose);
172 pa_cli_command_sinks(c, t, buf, fail, verbose);
173 pa_cli_command_sources(c, t, buf, fail, verbose);
174 pa_cli_command_clients(c, t, buf, fail, verbose);
175 pa_cli_command_sink_inputs(c, t, buf, fail, verbose);
176 pa_cli_command_source_outputs(c, t, buf, fail, verbose);
180 static int pa_cli_command_load(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
186 if (!(name = pa_tokenizer_get(t, 1))) {
187 pa_strbuf_puts(buf, "You need to specify the module name and optionally arguments.\n");
191 if (!(m = pa_module_load(c, name, pa_tokenizer_get(t, 2)))) {
192 pa_strbuf_puts(buf, "Module load failed.\n");
197 snprintf(txt, sizeof(txt), "Module successfully loaded, index: %u.\n", m->index);
198 pa_strbuf_puts(buf, txt);
203 static int pa_cli_command_unload(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
210 if (!(i = pa_tokenizer_get(t, 1))) {
211 pa_strbuf_puts(buf, "You need to specify the module index.\n");
215 index = (uint32_t) strtoul(i, &e, 10);
216 if (*e || !(m = pa_idxset_get_by_index(c->modules, index))) {
217 pa_strbuf_puts(buf, "Invalid module index.\n");
221 pa_module_unload_request(c, m);
225 static int pa_cli_command_sink_volume(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
228 struct pa_sink *sink;
231 if (!(n = pa_tokenizer_get(t, 1))) {
232 pa_strbuf_puts(buf, "You need to specify a sink either by its name or its index.\n");
236 if (!(v = pa_tokenizer_get(t, 2))) {
237 pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n");
241 volume = strtol(v, &x, 0);
242 if (!x || *x != 0 || volume < 0) {
243 pa_strbuf_puts(buf, "Failed to parse volume.\n");
247 if (!(sink = pa_namereg_get(c, n, PA_NAMEREG_SINK))) {
248 pa_strbuf_puts(buf, "No sink found by this name or index.\n");
252 sink->volume = (uint32_t) volume;
256 static int pa_cli_command_sink_input_volume(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
258 struct pa_sink_input *si;
263 if (!(n = pa_tokenizer_get(t, 1))) {
264 pa_strbuf_puts(buf, "You need to specify a sink input by its index.\n");
268 if ((index = parse_index(n)) == PA_IDXSET_INVALID) {
269 pa_strbuf_puts(buf, "Failed to parse index.\n");
273 if (!(v = pa_tokenizer_get(t, 2))) {
274 pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n");
279 volume = strtol(v, &x, 0);
280 if (!x || *x != 0 || volume < 0) {
281 pa_strbuf_puts(buf, "Failed to parse volume.\n");
285 if (!(si = pa_idxset_get_by_index(c->sink_inputs, (uint32_t) index))) {
286 pa_strbuf_puts(buf, "No sink input found with this index.\n");
290 si->volume = (uint32_t) volume;
294 static int pa_cli_command_sink_default(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
296 struct pa_sink *sink;
299 if (!(n = pa_tokenizer_get(t, 1))) {
300 pa_strbuf_puts(buf, "You need to specify a sink either by its name or its index.\n");
304 if (!(sink = pa_namereg_get(c, n, PA_NAMEREG_SINK))) {
305 pa_strbuf_puts(buf, "No sink found by this name or index.\n");
309 c->default_sink_index = sink->index;
313 static int pa_cli_command_source_default(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
315 struct pa_source *source;
318 if (!(n = pa_tokenizer_get(t, 1))) {
319 pa_strbuf_puts(buf, "You need to specify a source either by its name or its index.\n");
323 if (!(source = pa_namereg_get(c, n, PA_NAMEREG_SOURCE))) {
324 pa_strbuf_puts(buf, "No source found by this name or index.\n");
328 c->default_source_index = source->index;
332 static int pa_cli_command_kill_client(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
334 struct pa_client *client;
338 if (!(n = pa_tokenizer_get(t, 1))) {
339 pa_strbuf_puts(buf, "You need to specify a client by its index.\n");
343 if ((index = parse_index(n)) == PA_IDXSET_INVALID) {
344 pa_strbuf_puts(buf, "Failed to parse index.\n");
348 if (!(client = pa_idxset_get_by_index(c->clients, index))) {
349 pa_strbuf_puts(buf, "No client found by this index.\n");
353 pa_client_kill(client);
357 static int pa_cli_command_kill_sink_input(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
359 struct pa_sink_input *sink_input;
363 if (!(n = pa_tokenizer_get(t, 1))) {
364 pa_strbuf_puts(buf, "You need to specify a sink input by its index.\n");
368 if ((index = parse_index(n)) == PA_IDXSET_INVALID) {
369 pa_strbuf_puts(buf, "Failed to parse index.\n");
373 if (!(sink_input = pa_idxset_get_by_index(c->sink_inputs, index))) {
374 pa_strbuf_puts(buf, "No sink input found by this index.\n");
378 pa_sink_input_kill(sink_input);
382 static int pa_cli_command_kill_source_output(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
384 struct pa_source_output *source_output;
388 if (!(n = pa_tokenizer_get(t, 1))) {
389 pa_strbuf_puts(buf, "You need to specify a source output by its index.\n");
393 if ((index = parse_index(n)) == PA_IDXSET_INVALID) {
394 pa_strbuf_puts(buf, "Failed to parse index.\n");
398 if (!(source_output = pa_idxset_get_by_index(c->source_outputs, index))) {
399 pa_strbuf_puts(buf, "No source output found by this index.\n");
403 pa_source_output_kill(source_output);
407 int pa_cli_command_execute_line(struct pa_core *c, const char *s, struct pa_strbuf *buf, int *fail, int *verbose) {
410 cs = s+strspn(s, whitespace);
412 if (*cs == '#' || !*cs)
414 else if (*cs == '.') {
415 static const char fail_meta[] = ".fail";
416 static const char nofail_meta[] = ".nofail";
417 static const char verbose_meta[] = ".verbose";
418 static const char noverbose_meta[] = ".noverbose";
420 if (!strcmp(cs, verbose_meta))
422 else if (!strcmp(cs, noverbose_meta))
424 else if (!strcmp(cs, fail_meta))
426 else if (!strcmp(cs, nofail_meta))
430 static const char include_meta[] = ".include";
431 l = strcspn(cs, whitespace);
433 if (l == sizeof(include_meta)-1 && !strncmp(cs, include_meta, l)) {
434 const char *filename = cs+l+strspn(cs+l, whitespace);
436 if (pa_cli_command_execute_file(c, filename, buf, fail, verbose) < 0)
437 if (*fail) return -1;
439 pa_strbuf_printf(buf, "Invalid meta command: %s\n", cs);
440 if (*fail) return -1;
444 const struct command*command;
448 l = strcspn(cs, whitespace);
450 for (command = commands; command->name; command++)
451 if (strlen(command->name) == l && !strncmp(cs, command->name, l)) {
453 struct pa_tokenizer *t = pa_tokenizer_new(cs, command->args);
455 ret = command->proc(c, t, buf, fail, verbose);
456 pa_tokenizer_free(t);
459 if (ret < 0 && *fail)
466 pa_strbuf_printf(buf, "Unknown command: %s\n", cs);
475 int pa_cli_command_execute_file(struct pa_core *c, const char *fn, struct pa_strbuf *buf, int *fail, int *verbose) {
479 assert(c && fn && buf);
481 if (!(f = fopen(fn, "r"))) {
482 pa_strbuf_printf(buf, "open('%s') failed: %s\n", fn, strerror(errno));
489 pa_strbuf_printf(buf, "Executing file: '%s'\n", fn);
491 while (fgets(line, sizeof(line), f)) {
492 char *e = line + strcspn(line, linebreak);
495 if (pa_cli_command_execute_line(c, line, buf, fail, verbose) < 0 && *fail)
500 pa_strbuf_printf(buf, "Executed file: '%s'\n", fn);
511 int pa_cli_command_execute(struct pa_core *c, const char *s, struct pa_strbuf *buf, int *fail, int *verbose) {
513 assert(c && s && buf && fail && verbose);
517 size_t l = strcspn(p, linebreak);
518 char *line = strndup(p, l);
521 if (pa_cli_command_execute_line(c, line, buf, fail, verbose) < 0&& *fail) {
528 p += strspn(p, linebreak);