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This patch implements the REST API's for POST /channels/{channelId}/play

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and GET /playback/{playbackId}.

This allows an external application to initiate playback of a sound on a
channel while the channel is in the Stasis application.

/play commands are issued asynchronously, and return immediately with
the URL of the associated /playback resource. Playback commands queue up,
playing in succession. The /playback resource shows the state of a
playback operation as enqueued, playing or complete. (Although the
operation will only be in the 'complete' state for a very short time,
since it is almost immediately freed up).

(closes issue ASTERISK-21283)
(closes issue ASTERISK-21586)
Review: https://reviewboard.asterisk.org/r/2531/



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@389587 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
David M. Lee
2013-05-23 20:11:35 +00:00
parent 3464e0919a
commit 10ba6bf8a8
20 changed files with 906 additions and 97 deletions
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83
main/stasis_channels.c
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@@ -134,6 +134,7 @@ struct ast_channel_snapshot *ast_channel_snapshot_create(struct ast_channel *cha
S_COR(ast_channel_connected(chan)->id.name.valid, ast_channel_connected(chan)->id.name.str, ""));
ast_string_field_set(snapshot, connected_number,
S_COR(ast_channel_connected(chan)->id.number.valid, ast_channel_connected(chan)->id.number.str, ""));
ast_string_field_set(snapshot, language, ast_channel_language(chan));
snapshot->creationtime = ast_channel_creationtime(chan);
snapshot->state = ast_channel_state(chan);
@@ -149,6 +150,28 @@ struct ast_channel_snapshot *ast_channel_snapshot_create(struct ast_channel *cha
return snapshot;
}
struct ast_channel_snapshot *ast_channel_snapshot_get_latest(
const char *uniqueid)
{
RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
struct ast_channel_snapshot *snapshot;
msg = stasis_cache_get(ast_channel_topic_all_cached(),
ast_channel_snapshot_type(), uniqueid);
if (!msg) {
return NULL;
}
snapshot = stasis_message_data(msg);
if (!snapshot) {
return NULL;
}
ao2_ref(snapshot, +1);
return snapshot;
}
static void publish_message_for_channel_topics(struct stasis_message *message, struct ast_channel *chan)
{
if (chan) {
@@ -207,7 +230,8 @@ void ast_channel_publish_dial(struct ast_channel *caller, struct ast_channel *pe
publish_message_for_channel_topics(msg, caller);
}
struct stasis_message *ast_channel_blob_create(struct ast_channel *chan,
static struct stasis_message *channel_blob_create(
struct ast_channel_snapshot *snapshot,
struct stasis_message_type *type, struct ast_json *blob)
{
RAII_VAR(struct ast_channel_blob *, obj, NULL, ao2_cleanup);
@@ -222,11 +246,9 @@ struct stasis_message *ast_channel_blob_create(struct ast_channel *chan,
return NULL;
}
if (chan) {
obj->snapshot = ast_channel_snapshot_create(chan);
if (obj->snapshot == NULL) {
return NULL;
}
if (snapshot) {
ao2_ref(snapshot, +1);
obj->snapshot = snapshot;
}
obj->blob = ast_json_ref(blob);
@@ -240,6 +262,35 @@ struct stasis_message *ast_channel_blob_create(struct ast_channel *chan,
return msg;
}
struct stasis_message *ast_channel_blob_create(struct ast_channel *chan,
struct stasis_message_type *type, struct ast_json *blob)
{
RAII_VAR(struct ast_channel_snapshot *, snapshot, NULL, ao2_cleanup);
if (chan != NULL) {
snapshot = ast_channel_snapshot_create(chan);
if (snapshot == NULL) {
return NULL;
}
}
return channel_blob_create(snapshot, type, blob);
}
struct stasis_message *ast_channel_blob_create_from_cache(
const char *uniqueid, struct stasis_message_type *type,
struct ast_json *blob)
{
RAII_VAR(struct ast_channel_snapshot *, snapshot, NULL, ao2_cleanup);
snapshot = ast_channel_snapshot_get_latest(uniqueid);
if (snapshot == NULL) {
return NULL;
}
return channel_blob_create(snapshot, type, blob);
}
/*! \brief A channel snapshot wrapper object used in \ref ast_multi_channel_blob objects */
struct channel_role_snapshot {
struct ast_channel_snapshot *snapshot; /*!< A channel snapshot */
@@ -389,6 +440,26 @@ struct ast_json *ast_multi_channel_blob_get_json(struct ast_multi_channel_blob *
return obj->blob;
}
void ast_channel_publish_snapshot(struct ast_channel *chan)
{
RAII_VAR(struct ast_channel_snapshot *, snapshot, NULL, ao2_cleanup);
RAII_VAR(struct stasis_message *, message, NULL, ao2_cleanup);
snapshot = ast_channel_snapshot_create(chan);
if (!snapshot) {
return;
}
message = stasis_message_create(ast_channel_snapshot_type(), snapshot);
if (!message) {
return;
}
ast_assert(ast_channel_topic(chan) != NULL);
stasis_publish(ast_channel_topic(chan), message);
}
void ast_channel_publish_varset(struct ast_channel *chan, const char *name, const char *value)
{
RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);