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message-params: use JSON instead of custom format

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Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/525>
This commit is contained in:
Igor V. Kovalenko 2021-03-14 09:49:05 +03:00 • committed by PulseAudio Marge Bot
parent 0ba768b2e9
commit 1dd05f4a9b
6 changed files with 93 additions and 69 deletions
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48
src/utils/pactl.c
View file

@ -37,6 +37,7 @@
#include <pulse/pulseaudio.h>
#include <pulse/message-params.h>
#include <pulse/ext-device-restore.h>
#include <pulse/json.h>
#include <pulsecore/i18n.h>
#include <pulsecore/macro.h>
@ -897,10 +898,10 @@ static void send_message_callback(pa_context *c, int success, char *response, vo
}
static void list_handlers_callback(pa_context *c, int success, char *response, void *userdata) {
void *state = NULL;
char *handler_list;
char *handler_struct;
int err;
pa_json_object *o;
int i;
const pa_json_object *v, *path, *description;
if (!success) {
pa_log(_("list-handlers message failed: %s"), pa_strerror(pa_context_errno(c)));
@ -908,29 +909,45 @@ static void list_handlers_callback(pa_context *c, int success, char *response, v
return;
}
if (pa_message_params_read_raw(response, &handler_list, &state) <= 0) {
o = pa_json_parse(response);
if (!o) {
pa_log(_("list-handlers message response could not be parsed correctly"));
pa_json_object_free(o);
quit(1);
return;
}
state = NULL;
while ((err = pa_message_params_read_raw(handler_list, &handler_struct, &state)) > 0) {
void *state2 = NULL;
const char *path;
const char *description;
if (pa_json_object_get_type(o) != PA_JSON_TYPE_ARRAY) {
pa_log(_("list-handlers message response is not a JSON array"));
pa_json_object_free(o);
quit(1);
return;
}
if (pa_message_params_read_string(handler_struct, &path, &state2) <= 0) {
err = 0;
for (i = 0; i < pa_json_object_get_array_length(o); ++i) {
v = pa_json_object_get_array_member(o, i);
if (pa_json_object_get_type(v) != PA_JSON_TYPE_OBJECT) {
pa_log(_("list-handlers message response array element %d is not a JSON object"), i);
err = -1;
break;
}
if (pa_message_params_read_string(handler_struct, &description, &state2) <= 0) {
path = pa_json_object_get_object_member(v, "name");
if (!path || pa_json_object_get_type(path) != PA_JSON_TYPE_STRING) {
err = -1;
break;
}
description = pa_json_object_get_object_member(v, "description");
if (!description || pa_json_object_get_type(description) != PA_JSON_TYPE_STRING) {
err = -1;
break;
}
if (short_list_format)
printf("%s\n", path);
printf("%s\n", pa_json_object_get_string(path));
else {
if (nl)
printf("\n");
@ -938,17 +955,20 @@ static void list_handlers_callback(pa_context *c, int success, char *response, v
printf("Message Handler %s\n"
"\tDescription: %s\n",
path,
description);
pa_json_object_get_string(path),
pa_json_object_get_string(description));
}
}
if (err < 0) {
pa_log(_("list-handlers message response could not be parsed correctly"));
pa_json_object_free(o);
quit(1);
return;
}
pa_json_object_free(o);
complete_action();
}