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pactl, pacmd, cli-command: Add send-message command

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Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/51>
This commit is contained in:
Georg Chini 2020-01-14 10:24:36 +01:00 • committed by Tanu Kaskinen
parent 4cdc0053c0
commit 68f2f1395d
9 changed files with 122 additions and 4 deletions
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44
src/pulsecore/cli-command.c
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@ -53,6 +53,7 @@
#include <pulsecore/sound-file-stream.h>
#include <pulsecore/shared.h>
#include <pulsecore/core-util.h>
#include <pulsecore/message-handler.h>
#include <pulsecore/core-error.h>
#include <pulsecore/modinfo.h>
#include <pulsecore/dynarray.h>
@ -135,6 +136,7 @@ static int pa_cli_command_sink_port(pa_core *c, pa_tokenizer *t, pa_strbuf *buf,
static int pa_cli_command_source_port(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail);
static int pa_cli_command_port_offset(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail);
static int pa_cli_command_dump_volumes(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail);
static int pa_cli_command_send_message_to_object(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail);
/* A method table for all available commands */
@ -191,6 +193,7 @@ static const struct command commands[] = {
{ "set-log-meta", pa_cli_command_log_meta, "Show source code location in log messages (args: bool)", 2},
{ "set-log-time", pa_cli_command_log_time, "Show timestamps in log messages (args: bool)", 2},
{ "set-log-backtrace", pa_cli_command_log_backtrace, "Show backtrace in log messages (args: frames)", 2},
{ "send-message", pa_cli_command_send_message_to_object, "Send a message to an object (args: recipient, message, message_parameters)", 4},
{ "play-file", pa_cli_command_play_file, "Play a sound file (args: filename, sink|index)", 3},
{ "dump", pa_cli_command_dump, "Dump daemon configuration", 1},
{ "dump-volumes", pa_cli_command_dump_volumes, "Debug: Show the state of all volumes", 1 },
@ -1784,6 +1787,47 @@ static int pa_cli_command_port_offset(pa_core *c, pa_tokenizer *t, pa_strbuf *bu
return 0;
}
static int pa_cli_command_send_message_to_object(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail) {
const char *object_path, *message, *message_parameters;
char *response = NULL;
int ret;
pa_core_assert_ref(c);
pa_assert(t);
pa_assert(buf);
pa_assert(fail);
if (!(object_path = pa_tokenizer_get(t, 1))) {
pa_strbuf_puts(buf, "You need to specify an object path as recipient for the message.\n");
return -1;
}
if (!(message = pa_tokenizer_get(t, 2))) {
pa_strbuf_puts(buf, "You need to specify a message name.\n");
return -1;
}
/* parameters may be NULL */
message_parameters = pa_tokenizer_get(t, 3);
ret = pa_message_handler_send_message(c, object_path, message, message_parameters, &response);
if (ret < 0) {
pa_strbuf_printf(buf, "Send message failed: %s\n", pa_strerror(ret));
ret = -1;
} else {
if (response)
pa_strbuf_puts(buf, response);
pa_strbuf_puts(buf, "\n");
ret = 0;
}
pa_xfree(response);
return ret;
}
static int pa_cli_command_dump(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail) {
pa_module *m;
pa_sink *sink;