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pulse-server: implement send_object_message

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Use it for providing Bluez codec listing/switching interface.  It
currently works by just switching device profiles.
This commit is contained in:
Pauli Virtanen 2021-03-20 00:11:12 +02:00
parent eb9b787db1
commit 132786c202
6 changed files with 292 additions and 12 deletions
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66
src/modules/module-protocol-pulse/pulse-server.c
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@ -41,6 +41,7 @@
#include <sys/time.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <regex.h>
#if HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif
@ -282,6 +283,7 @@ struct impl {
#include "collect.c"
#include "module.c"
#include "message-handler.c"
static void sample_free(struct sample *sample)
@ -900,6 +902,8 @@ static void manager_added(void *data, struct pw_manager_object *o)
uint32_t event, id;
const char *str;
register_object_message_handlers(o);
if (strcmp(o->type, PW_TYPE_INTERFACE_Metadata) == 0) {
if (o->props != NULL &&
(str = pw_properties_get(o->props, PW_KEY_METADATA_NAME)) != NULL)
@ -5196,6 +5200,65 @@ static int do_unload_module(struct client *client, uint32_t command, uint32_t ta
return reply_simple_ack(client, tag);
}
static int do_send_object_message(struct client *client, uint32_t command, uint32_t tag, struct message *m)
{
struct impl *impl = client->impl;
struct pw_manager *manager = client->manager;
const char *object_path = NULL;
const char *message = NULL;
const char *params = NULL;
char *response = NULL;
char *path = NULL;
struct message *reply;
struct pw_manager_object *o;
int len = 0;
int res;
if ((res = message_get(m,
TAG_STRING, &object_path,
TAG_STRING, &message,
TAG_STRING, &params,
TAG_INVALID)) < 0)
return -EPROTO;
pw_log_info(NAME" %p: [%s] %s tag:%u object_path:'%s' message:'%s' params:'%s'", impl,
client->name, commands[command].name, tag, object_path,
message, params ? params : "<null>");
if (object_path == NULL || message == NULL)
return -EINVAL;
len = strlen(object_path);
if (len > 0 && object_path[len - 1] == '/')
--len;
path = strndup(object_path, len);
if (path == NULL)
return -ENOMEM;
res = -ENOENT;
spa_list_for_each(o, &manager->object_list, link) {
if (o->message_object_path && strcmp(o->message_object_path, path) == 0) {
if (o->message_handler)
res = o->message_handler(manager, o, message, params, &response);
else
res = -ENOSYS;
break;
}
}
free(path);
if (res < 0)
return res;
pw_log_debug(NAME" %p: object message response:'%s'", impl, response ? response : "<null>");
reply = reply_new(client, tag);
message_put(reply, TAG_STRING, response, TAG_INVALID);
free(response);
return send_message(client, reply);
}
static int do_error_access(struct client *client, uint32_t command, uint32_t tag, struct message *m)
{
return -EACCES;
@ -5364,6 +5427,9 @@ static const struct command commands[COMMAND_MAX] =
/* Supported since protocol v31 (9.0)
* BOTH DIRECTIONS */
[COMMAND_REGISTER_MEMFD_SHMID] = { "REGISTER_MEMFD_SHMID", do_error_access, },
/* Supported since protocol v35 (15.0) */
[COMMAND_SEND_OBJECT_MESSAGE] = { "SEND_OBJECT_MESSAGE", do_send_object_message, },
};
static int client_free_stream(void *item, void *data)