mirrors/pulseaudio
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git synced 2025-11-03 09:01:50 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

add kill_* and default_* commands to CLI

Browse source 
make module-cli unload itself on EOF
clean up stdio usage
add sink pointer to monitor sources


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@50 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-07-04 17:40:15 +00:00
parent e61c2dddb7
commit 722c2c8c87
13 changed files with 300 additions and 96 deletions
Download patch file Download diff file Expand all files Collapse all files

305
src/cli.c
View file

@ -27,48 +27,62 @@ struct pa_cli {
struct command {
const char *name;
void (*proc) (struct pa_cli *cli, struct pa_tokenizer*t);
int (*proc) (struct pa_cli *cli, struct pa_tokenizer*t);
const char *help;
unsigned args;
};
static void line_callback(struct pa_ioline *line, const char *s, void *userdata);
static void pa_cli_command_exit(struct pa_cli *c, struct pa_tokenizer *t);
static void pa_cli_command_help(struct pa_cli *c, struct pa_tokenizer *t);
static void pa_cli_command_modules(struct pa_cli *c, struct pa_tokenizer *t);
static void pa_cli_command_clients(struct pa_cli *c, struct pa_tokenizer *t);
static void pa_cli_command_sinks(struct pa_cli *c, struct pa_tokenizer *t);
static void pa_cli_command_sources(struct pa_cli *c, struct pa_tokenizer *t);
static void pa_cli_command_sink_inputs(struct pa_cli *c, struct pa_tokenizer *t);
static void pa_cli_command_source_outputs(struct pa_cli *c, struct pa_tokenizer *t);
static void pa_cli_command_stat(struct pa_cli *c, struct pa_tokenizer *t);
static void pa_cli_command_info(struct pa_cli *c, struct pa_tokenizer *t);
static void pa_cli_command_load(struct pa_cli *c, struct pa_tokenizer *t);
static void pa_cli_command_unload(struct pa_cli *c, struct pa_tokenizer *t);
static void pa_cli_command_sink_volume(struct pa_cli *c, struct pa_tokenizer *t);
static void pa_cli_command_sink_input_volume(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_exit(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_help(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_modules(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_clients(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_sinks(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_sources(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_sink_inputs(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_source_outputs(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_stat(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_info(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_load(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_unload(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_sink_volume(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_sink_input_volume(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_sink_default(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_source_default(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_kill_client(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_kill_sink_input(struct pa_cli *c, struct pa_tokenizer *t);
static int pa_cli_command_kill_source_output(struct pa_cli *c, struct pa_tokenizer *t);
static const struct command commands[] = {
{ "exit", pa_cli_command_exit, "Terminate the daemon", 1 },
{ "help", pa_cli_command_help, "Show this help", 1 },
{ "modules", pa_cli_command_modules, "List loaded modules", 1 },
{ "sinks", pa_cli_command_sinks, "List loaded sinks", 1 },
{ "sources", pa_cli_command_sources, "List loaded sources", 1 },
{ "clients", pa_cli_command_clients, "List loaded clients", 1 },
{ "sink_inputs", pa_cli_command_sink_inputs, "List sink inputs", 1 },
{ "source_outputs", pa_cli_command_source_outputs, "List source outputs", 1 },
{ "stat", pa_cli_command_stat, "Show memory block statistics", 1 },
{ "info", pa_cli_command_info, "Show comprehensive status", 1 },
{ "load", pa_cli_command_load, "Load a module (args: name, arguments)", 3},
{ "unload", pa_cli_command_unload, "Unload a module (args: index)", 2},
{ "sink_volume", pa_cli_command_sink_volume, "Set the volume of a sink (args: sink, volume)", 3},
{ "sink_input_volume", pa_cli_command_sink_input_volume, "Set the volume of a sink input (args: sink input, volume)", 3},
{ "exit", pa_cli_command_exit, "Terminate the daemon", 1 },
{ "help", pa_cli_command_help, "Show this help", 1 },
{ "modules", pa_cli_command_modules, "List loaded modules", 1 },
{ "sinks", pa_cli_command_sinks, "List loaded sinks", 1 },
{ "sources", pa_cli_command_sources, "List loaded sources", 1 },
{ "clients", pa_cli_command_clients, "List loaded clients", 1 },
{ "sink_inputs", pa_cli_command_sink_inputs, "List sink inputs", 1 },
{ "source_outputs", pa_cli_command_source_outputs, "List source outputs", 1 },
{ "stat", pa_cli_command_stat, "Show memory block statistics", 1 },
{ "info", pa_cli_command_info, "Show comprehensive status", 1 },
{ "ls", pa_cli_command_info, NULL, 1 },
{ "list", pa_cli_command_info, NULL, 1 },
{ "load", pa_cli_command_load, "Load a module (args: name, arguments)", 3},
{ "unload", pa_cli_command_unload, "Unload a module (args: index)", 2},
{ "sink_volume", pa_cli_command_sink_volume, "Set the volume of a sink (args: index|name, volume)", 3},
{ "sink_input_volume", pa_cli_command_sink_input_volume, "Set the volume of a sink input (args: index|name, volume)", 3},
{ "sink_default", pa_cli_command_sink_default, "Set the default sink (args: index|name)", 2},
{ "source_default", pa_cli_command_source_default, "Set the default source (args: index|name)", 2},
{ "kill_client", pa_cli_command_kill_client, "Kill a client (args: index)", 2},
{ "kill_sink_input", pa_cli_command_kill_sink_input, "Kill a sink input (args: index)", 2},
{ "kill_source_output", pa_cli_command_kill_source_output, "Kill a source output (args: index)", 2},
{ NULL, NULL, NULL, 0 }
};
static const char prompt[] = ">>> ";
static void client_kill(struct pa_client *c);
struct pa_cli* pa_cli_new(struct pa_core *core, struct pa_iochannel *io) {
char cname[256];
struct pa_cli *c;
@ -86,6 +100,8 @@ struct pa_cli* pa_cli_new(struct pa_core *core, struct pa_iochannel *io) {
pa_iochannel_peer_to_string(io, cname, sizeof(cname));
c->client = pa_client_new(core, "CLI", cname);
assert(c->client);
c->client->kill = client_kill;
c->client->userdata = c;
pa_ioline_set_callback(c->line, line_callback, c);
pa_ioline_puts(c->line, "Welcome to polypaudio! Use \"help\" for usage information.\n");
@ -101,6 +117,16 @@ void pa_cli_free(struct pa_cli *c) {
free(c);
}
static void client_kill(struct pa_client *client) {
struct pa_cli *c;
assert(client && client->userdata);
c = client->userdata;
fprintf(stderr, "CLI client killed.\n");
if (c->eof_callback)
c->eof_callback(c, c->userdata);
}
static void line_callback(struct pa_ioline *line, const char *s, void *userdata) {
struct pa_cli *c = userdata;
const char *cs;
@ -108,7 +134,7 @@ static void line_callback(struct pa_ioline *line, const char *s, void *userdata)
assert(line && c);
if (!s) {
fprintf(stderr, "CLI client exited\n");
fprintf(stderr, "CLI got EOF from user.\n");
if (c->eof_callback)
c->eof_callback(c, c->userdata);
@ -125,11 +151,16 @@ static void line_callback(struct pa_ioline *line, const char *s, void *userdata)
for (command = commands; command->name; command++)
if (strlen(command->name) == l && !strncmp(s, command->name, l)) {
int ret;
struct pa_tokenizer *t = pa_tokenizer_new(s, command->args);
assert(t);
command->proc(c, t);
ret = command->proc(c, t);
pa_tokenizer_free(t);
unknown = 0;
/* A negative return value denotes that the cli object is probably invalid now */
if (ret < 0)
return;
break;
}
@ -137,7 +168,7 @@ static void line_callback(struct pa_ioline *line, const char *s, void *userdata)
pa_ioline_puts(line, "Unknown command\n");
}
pa_ioline_puts(c->line, prompt);
pa_ioline_puts(line, prompt);
}
void pa_cli_set_eof_callback(struct pa_cli *c, void (*cb)(struct pa_cli*c, void *userdata), void *userdata) {
@ -146,12 +177,23 @@ void pa_cli_set_eof_callback(struct pa_cli *c, void (*cb)(struct pa_cli*c, void
c->userdata = userdata;
}
static void pa_cli_command_exit(struct pa_cli *c, struct pa_tokenizer *t) {
assert(c && c->core && c->core->mainloop && t);
c->core->mainloop->quit(c->core->mainloop, 0);
static uint32_t parse_index(const char *n) {
long index;
char *x;
index = strtol(n, &x, 0);
if (!x || *x != 0 || index < 0)
return (uint32_t) PA_IDXSET_INVALID;
return (uint32_t) index;
}
static void pa_cli_command_help(struct pa_cli *c, struct pa_tokenizer *t) {
static int pa_cli_command_exit(struct pa_cli *c, struct pa_tokenizer *t) {
assert(c && c->core && c->core->mainloop && t);
c->core->mainloop->quit(c->core->mainloop, 0);
return 0;
}
static int pa_cli_command_help(struct pa_cli *c, struct pa_tokenizer *t) {
const struct command*command;
struct pa_strbuf *pa_strbuf;
char *p;
@ -163,85 +205,95 @@ static void pa_cli_command_help(struct pa_cli *c, struct pa_tokenizer *t) {
pa_strbuf_puts(pa_strbuf, "Available commands:\n");
for (command = commands; command->name; command++)
pa_strbuf_printf(pa_strbuf, " %-20s %s\n", command->name, command->help);
if (command->help)
pa_strbuf_printf(pa_strbuf, " %-20s %s\n", command->name, command->help);
pa_ioline_puts(c->line, p = pa_strbuf_tostring_free(pa_strbuf));
free(p);
return 0;
}
static void pa_cli_command_modules(struct pa_cli *c, struct pa_tokenizer *t) {
static int pa_cli_command_modules(struct pa_cli *c, struct pa_tokenizer *t) {
char *s;
assert(c && t);
s = pa_module_list_to_string(c->core);
assert(s);
pa_ioline_puts(c->line, s);
free(s);
return 0;
}
static void pa_cli_command_clients(struct pa_cli *c, struct pa_tokenizer *t) {
static int pa_cli_command_clients(struct pa_cli *c, struct pa_tokenizer *t) {
char *s;
assert(c && t);
s = pa_client_list_to_string(c->core);
assert(s);
pa_ioline_puts(c->line, s);
free(s);
return 0;
}
static void pa_cli_command_sinks(struct pa_cli *c, struct pa_tokenizer *t) {
static int pa_cli_command_sinks(struct pa_cli *c, struct pa_tokenizer *t) {
char *s;
assert(c && t);
s = pa_sink_list_to_string(c->core);
assert(s);
pa_ioline_puts(c->line, s);
free(s);
return 0;
}
static void pa_cli_command_sources(struct pa_cli *c, struct pa_tokenizer *t) {
static int pa_cli_command_sources(struct pa_cli *c, struct pa_tokenizer *t) {
char *s;
assert(c && t);
s = pa_source_list_to_string(c->core);
assert(s);
pa_ioline_puts(c->line, s);
free(s);
return 0;
}
static void pa_cli_command_sink_inputs(struct pa_cli *c, struct pa_tokenizer *t) {
static int pa_cli_command_sink_inputs(struct pa_cli *c, struct pa_tokenizer *t) {
char *s;
assert(c && t);
s = pa_sink_input_list_to_string(c->core);
assert(s);
pa_ioline_puts(c->line, s);
free(s);
return 0;
}
static void pa_cli_command_source_outputs(struct pa_cli *c, struct pa_tokenizer *t) {
static int pa_cli_command_source_outputs(struct pa_cli *c, struct pa_tokenizer *t) {
char *s;
assert(c && t);
s = pa_source_output_list_to_string(c->core);
assert(s);
pa_ioline_puts(c->line, s);
free(s);
return 0;
}
static void pa_cli_command_stat(struct pa_cli *c, struct pa_tokenizer *t) {
static int pa_cli_command_stat(struct pa_cli *c, struct pa_tokenizer *t) {
char txt[256];
assert(c && t);
snprintf(txt, sizeof(txt), "Memory blocks allocated: %u, total size: %u bytes.\n", pa_memblock_count, pa_memblock_total);
pa_ioline_puts(c->line, txt);
return 0;
}
static void pa_cli_command_info(struct pa_cli *c, struct pa_tokenizer *t) {
static int pa_cli_command_info(struct pa_cli *c, struct pa_tokenizer *t) {
assert(c && t);
pa_cli_command_stat(c, t);
pa_cli_command_modules(c, t);
pa_cli_command_sources(c, t);
pa_cli_command_sinks(c, t);
pa_cli_command_sources(c, t);
pa_cli_command_clients(c, t);
pa_cli_command_sink_inputs(c, t);
pa_cli_command_source_outputs(c, t);
return 0;
}
static void pa_cli_command_load(struct pa_cli *c, struct pa_tokenizer *t) {
static int pa_cli_command_load(struct pa_cli *c, struct pa_tokenizer *t) {
struct pa_module *m;
const char *name;
char txt[256];
@ -249,19 +301,20 @@ static void pa_cli_command_load(struct pa_cli *c, struct pa_tokenizer *t) {
if (!(name = pa_tokenizer_get(t, 1))) {
pa_ioline_puts(c->line, "You need to specfiy the module name and optionally arguments.\n");
return;
return 0;
}
if (!(m = pa_module_load(c->core, name, pa_tokenizer_get(t, 2)))) {
pa_ioline_puts(c->line, "Module load failed.\n");
return;
return 0;
}
snprintf(txt, sizeof(txt), "Module successfully loaded, index: %u.\n", m->index);
pa_ioline_puts(c->line, txt);
return 0;
}
static void pa_cli_command_unload(struct pa_cli *c, struct pa_tokenizer *t) {
static int pa_cli_command_unload(struct pa_cli *c, struct pa_tokenizer *t) {
struct pa_module *m;
uint32_t index;
const char *i;
@ -270,20 +323,20 @@ static void pa_cli_command_unload(struct pa_cli *c, struct pa_tokenizer *t) {
if (!(i = pa_tokenizer_get(t, 1))) {
pa_ioline_puts(c->line, "You need to specfiy the module index.\n");
return;
return 0;
}
index = (uint32_t) strtoul(i, &e, 10);
if (*e || !(m = pa_idxset_get_by_index(c->core->modules, index))) {
pa_ioline_puts(c->line, "Invalid module index.\n");
return;
return 0;
}
pa_module_unload_request(c->core, m);
return 0;
}
static void pa_cli_command_sink_volume(struct pa_cli *c, struct pa_tokenizer *t) {
static int pa_cli_command_sink_volume(struct pa_cli *c, struct pa_tokenizer *t) {
const char *n, *v;
char *x = NULL;
struct pa_sink *sink;
@ -291,62 +344,178 @@ static void pa_cli_command_sink_volume(struct pa_cli *c, struct pa_tokenizer *t)
if (!(n = pa_tokenizer_get(t, 1))) {
pa_ioline_puts(c->line, "You need to specify a sink either by its name or its index.\n");
return;
return 0;
}
if (!(v = pa_tokenizer_get(t, 2))) {
pa_ioline_puts(c->line, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n");
return;
return 0;
}
volume = strtol(v, &x, 0);
if (!x || *x != 0 || volume < 0) {
pa_ioline_puts(c->line, "Failed to parse volume.\n");
return;
return 0;
}
if (!(sink = pa_namereg_get(c->core, n, PA_NAMEREG_SINK))) {
pa_ioline_puts(c->line, "No sink found by this name or index.\n");
return;
return 0;
}
sink->volume = (uint32_t) volume;
return 0;
}
static void pa_cli_command_sink_input_volume(struct pa_cli *c, struct pa_tokenizer *t) {
static int pa_cli_command_sink_input_volume(struct pa_cli *c, struct pa_tokenizer *t) {
const char *n, *v;
char *x = NULL;
struct pa_sink_input *si;
long index, volume;
long volume;
uint32_t index;
char *x;
if (!(n = pa_tokenizer_get(t, 1))) {
pa_ioline_puts(c->line, "You need to specify a sink input by its index.\n");
return;
return 0;
}
index = strtol(n, &x, 0);
if (!x || *x != 0 || index < 0) {
if ((index = parse_index(n)) == PA_IDXSET_INVALID) {
pa_ioline_puts(c->line, "Failed to parse index.\n");
return;
return 0;
}
if (!(v = pa_tokenizer_get(t, 2))) {
pa_ioline_puts(c->line, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n");
return;
return 0;
}
x = NULL;
volume = strtol(v, &x, 0);
if (!x || *x != 0 || volume < 0) {
pa_ioline_puts(c->line, "Failed to parse volume.\n");
return;
return 0;
}
if (!(si = pa_idxset_get_by_index(c->core->sink_inputs, (uint32_t) index))) {
pa_ioline_puts(c->line, "No sink input found with this index.\n");
return;
return 0;
}
si->volume = (uint32_t) volume;
return 0;
}
static int pa_cli_command_sink_default(struct pa_cli *c, struct pa_tokenizer *t) {
const char *n;
struct pa_sink *sink;
assert(c && t);
if (!(n = pa_tokenizer_get(t, 1))) {
pa_ioline_puts(c->line, "You need to specify a sink either by its name or its index.\n");
return 0;
}
if (!(sink = pa_namereg_get(c->core, n, PA_NAMEREG_SINK))) {
pa_ioline_puts(c->line, "No sink found by this name or index.\n");
return 0;
}
c->core->default_sink_index = sink->index;
return 0;
}
static int pa_cli_command_source_default(struct pa_cli *c, struct pa_tokenizer *t) {
const char *n;
struct pa_source *source;
assert(c && t);
if (!(n = pa_tokenizer_get(t, 1))) {
pa_ioline_puts(c->line, "You need to specify a source either by its name or its index.\n");
return 0;
}
if (!(source = pa_namereg_get(c->core, n, PA_NAMEREG_SOURCE))) {
pa_ioline_puts(c->line, "No source found by this name or index.\n");
return 0;
}
c->core->default_source_index = source->index;
return 0;
}
static int pa_cli_command_kill_client(struct pa_cli *c, struct pa_tokenizer *t) {
const char *n;
struct pa_client *client;
uint32_t index;
int ret;
assert(c && t);
if (!(n = pa_tokenizer_get(t, 1))) {
pa_ioline_puts(c->line, "You need to specify a client by its index.\n");
return 0;
}
if ((index = parse_index(n)) == PA_IDXSET_INVALID) {
pa_ioline_puts(c->line, "Failed to parse index.\n");
return 0;
}
if (!(client = pa_idxset_get_by_index(c->core->clients, index))) {
pa_ioline_puts(c->line, "No client found by this index.\n");
return 0;
}
ret = (client->userdata == c) ? -1 : 0;
pa_client_kill(client);
return ret;
}
static int pa_cli_command_kill_sink_input(struct pa_cli *c, struct pa_tokenizer *t) {
const char *n;
struct pa_sink_input *sink_input;
uint32_t index;
assert(c && t);
if (!(n = pa_tokenizer_get(t, 1))) {
pa_ioline_puts(c->line, "You need to specify a sink input by its index.\n");
return 0;
}
if ((index = parse_index(n)) == PA_IDXSET_INVALID) {
pa_ioline_puts(c->line, "Failed to parse index.\n");
return 0;
}
if (!(sink_input = pa_idxset_get_by_index(c->core->sink_inputs, index))) {
pa_ioline_puts(c->line, "No sink input found by this index.\n");
return 0;
}
pa_sink_input_kill(sink_input);
return 0;
}
static int pa_cli_command_kill_source_output(struct pa_cli *c, struct pa_tokenizer *t) {
const char *n;
struct pa_source_output *source_output;
uint32_t index;
assert(c && t);
if (!(n = pa_tokenizer_get(t, 1))) {
pa_ioline_puts(c->line, "You need to specify a source output by its index.\n");
return 0;
}
if ((index = parse_index(n)) == PA_IDXSET_INVALID) {
pa_ioline_puts(c->line, "Failed to parse index.\n");
return 0;
}
if (!(source_output = pa_idxset_get_by_index(c->core->source_outputs, index))) {
pa_ioline_puts(c->line, "No source output found by this index.\n");
return 0;
}
pa_source_output_kill(source_output);
return 0;
}