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Add snapshot cache that indexes by channel name

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This adds a new channel snapshot cache in parallel to the existing
cache; the difference being that it indexes the channel snapshots by
channel name instead of channel uniqueid.

Review: https://reviewboard.asterisk.org/r/2576


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@390249 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kinsey Moore
2013-05-31 12:27:29 +00:00
parent 12548000dc
commit e1bff7958a
2 changed files with 63 additions and 0 deletions
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42
main/stasis_channels.c
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@@ -66,6 +66,9 @@ struct stasis_topic *channel_topic_all;
/*! \brief Caching topic for all channels */
struct stasis_caching_topic *channel_topic_all_cached;
/*! \brief Caching topic for all channels indexed by name */
struct stasis_caching_topic *channel_topic_all_cached_by_name;
struct stasis_topic *ast_channel_topic_all(void)
{
return channel_topic_all;
@@ -86,6 +89,21 @@ static const char *channel_snapshot_get_id(struct stasis_message *message)
return snapshot->uniqueid;
}
struct stasis_caching_topic *ast_channel_topic_all_cached_by_name(void)
{
return channel_topic_all_cached_by_name;
}
static const char *channel_snapshot_get_name(struct stasis_message *message)
{
struct ast_channel_snapshot *snapshot;
if (ast_channel_snapshot_type() != stasis_message_type(message)) {
return NULL;
}
snapshot = stasis_message_data(message);
return snapshot->name;
}
/*! \internal \brief Hash function for \ref ast_channel_snapshot objects */
static int channel_snapshot_hash_cb(const void *obj, const int flags)
{
@@ -366,6 +384,28 @@ struct ast_channel_snapshot *ast_channel_snapshot_get_latest(const char *uniquei
return snapshot;
}
struct ast_channel_snapshot *ast_channel_snapshot_get_latest_by_name(const char *name)
{
RAII_VAR(struct stasis_message *, message, NULL, ao2_cleanup);
struct ast_channel_snapshot *snapshot;
ast_assert(!ast_strlen_zero(name));
message = stasis_cache_get(ast_channel_topic_all_cached_by_name(),
ast_channel_snapshot_type(),
name);
if (!message) {
return NULL;
}
snapshot = stasis_message_data(message);
if (!snapshot) {
return NULL;
}
ao2_ref(snapshot, +1);
return snapshot;
}
static void channel_role_snapshot_dtor(void *obj)
{
struct channel_role_snapshot *role_snapshot = obj;
@@ -578,6 +618,7 @@ int ast_channel_snapshot_caller_id_equal(
static void stasis_channels_cleanup(void)
{
channel_topic_all_cached = stasis_caching_unsubscribe_and_join(channel_topic_all_cached);
channel_topic_all_cached_by_name = stasis_caching_unsubscribe_and_join(channel_topic_all_cached_by_name);
ao2_cleanup(channel_topic_all);
channel_topic_all = NULL;
STASIS_MESSAGE_TYPE_CLEANUP(ast_channel_snapshot_type);
@@ -623,4 +664,5 @@ void ast_stasis_channels_init(void)
channel_topic_all = stasis_topic_create("ast_channel_topic_all");
channel_topic_all_cached = stasis_caching_topic_create(channel_topic_all, channel_snapshot_get_id);
channel_topic_all_cached_by_name = stasis_caching_topic_create(channel_topic_all, channel_snapshot_get_name);
}