static struct ast_json *peerstatus_to_json(struct stasis_message *msg, const struct stasis_message_sanitizer *sanitize)
{
struct ast_endpoint_blob *obj = stasis_message_data(msg);
struct ast_json *json_endpoint;
struct ast_json *json_peer;
struct ast_json *json_final;
const struct timeval *tv = stasis_message_timestamp(msg);
json_endpoint = ast_endpoint_snapshot_to_json(obj->snapshot, NULL);
if (!json_endpoint) {
return NULL;
}
json_peer = ast_json_object_create();
if (!json_peer) {
ast_json_unref(json_endpoint);
return NULL;
}
/* Copy all fields from the blob */
ast_json_object_update(json_peer, obj->blob);
json_final = ast_json_pack("{s: s, s: o, s: o, s: o }",
"type", "PeerStatusChange",
"timestamp", ast_json_timeval(*tv, NULL),
"endpoint", json_endpoint,
"peer", json_peer);
if (!json_final) {
ast_json_unref(json_endpoint);
ast_json_unref(json_peer);
}
return json_final;
}
static void sub_bridge_update_handler(void *data,
struct stasis_subscription *sub,
struct stasis_message *message)
{
struct ast_json *json = NULL;
struct stasis_app *app = data;
struct ast_bridge_snapshot_update *update;
const struct timeval *tv;
update = stasis_message_data(message);
tv = stasis_message_timestamp(message);
if (!update->new_snapshot) {
json = simple_bridge_event("BridgeDestroyed", update->old_snapshot, tv);
} else if (!update->old_snapshot) {
json = simple_bridge_event("BridgeCreated", update->new_snapshot, tv);
} else if (update->new_snapshot && update->old_snapshot
&& strcmp(update->new_snapshot->video_source_id, update->old_snapshot->video_source_id)) {
json = simple_bridge_event("BridgeVideoSourceChanged", update->new_snapshot, tv);
if (json && !ast_strlen_zero(update->old_snapshot->video_source_id)) {
ast_json_object_set(json, "old_video_source_id",
ast_json_string_create(update->old_snapshot->video_source_id));
}
}
if (json) {
app_send(app, json);
ast_json_unref(json);
}
if (!update->new_snapshot && update->old_snapshot) {
unsubscribe(app, "bridge", update->old_snapshot->uniqueid, 1);
}
}
static struct ast_json *contactstatus_to_json(struct stasis_message *msg, const struct stasis_message_sanitizer *sanitize)
{
struct ast_endpoint_blob *obj = stasis_message_data(msg);
struct ast_json *json_endpoint;
struct ast_json *json_final;
const struct timeval *tv = stasis_message_timestamp(msg);
json_endpoint = ast_endpoint_snapshot_to_json(obj->snapshot, NULL);
if (!json_endpoint) {
return NULL;
}
json_final = ast_json_pack("{s: s, s: o, s: o, s: { s: s, s: s, s: s, s: s } } ",
"type", "ContactStatusChange",
"timestamp", ast_json_timeval(*tv, NULL),
"endpoint", json_endpoint,
"contact_info",
"uri", ast_json_string_get(ast_json_object_get(obj->blob, "uri")),
"contact_status", ast_json_string_get(ast_json_object_get(obj->blob, "contact_status")),
"aor", ast_json_string_get(ast_json_object_get(obj->blob, "aor")),
"roundtrip_usec", ast_json_string_get(ast_json_object_get(obj->blob, "roundtrip_usec")));
if (!json_final) {
ast_json_unref(json_endpoint);
}
return json_final;
}
static struct ast_json *dtmf_end_to_json(
struct stasis_message *message,
const struct stasis_message_sanitizer *sanitize)
{
struct ast_channel_blob *channel_blob = stasis_message_data(message);
struct ast_json *blob = channel_blob->blob;
struct ast_channel_snapshot *snapshot = channel_blob->snapshot;
const char *direction =
ast_json_string_get(ast_json_object_get(blob, "direction"));
const struct timeval *tv = stasis_message_timestamp(message);
struct ast_json *json_channel = ast_channel_snapshot_to_json(snapshot, sanitize);
/* Only present received DTMF end events as JSON */
if (strcasecmp("Received", direction) != 0) {
return NULL;
}
if (!json_channel) {
return NULL;
}
return ast_json_pack("{s: s, s: o, s: O, s: O, s: o}",
"type", "ChannelDtmfReceived",
"timestamp", ast_json_timeval(*tv, NULL),
"digit", ast_json_object_get(blob, "digit"),
"duration_ms", ast_json_object_get(blob, "duration_ms"),
"channel", json_channel);
}
static void sub_endpoint_update_handler(void *data,
struct stasis_subscription *sub,
struct stasis_message *message)
{
RAII_VAR(struct ast_json *, json, NULL, ast_json_unref);
struct stasis_app *app = data;
struct stasis_cache_update *update;
struct ast_endpoint_snapshot *new_snapshot;
struct ast_endpoint_snapshot *old_snapshot;
const struct timeval *tv;
ast_assert(stasis_message_type(message) == stasis_cache_update_type());
update = stasis_message_data(message);
ast_assert(update->type == ast_endpoint_snapshot_type());
new_snapshot = stasis_message_data(update->new_snapshot);
old_snapshot = stasis_message_data(update->old_snapshot);
if (new_snapshot) {
tv = stasis_message_timestamp(update->new_snapshot);
json = simple_endpoint_event("EndpointStateChange", new_snapshot, tv);
if (!json) {
return;
}
app_send(app, json);
}
if (!new_snapshot && old_snapshot) {
unsubscribe(app, "endpoint", old_snapshot->id, 1);
}
}
static void sub_bridge_update_handler(void *data,
struct stasis_subscription *sub,
struct stasis_message *message)
{
RAII_VAR(struct ast_json *, json, NULL, ast_json_unref);
struct stasis_app *app = data;
struct stasis_cache_update *update;
struct ast_bridge_snapshot *new_snapshot;
struct ast_bridge_snapshot *old_snapshot;
const struct timeval *tv;
ast_assert(stasis_message_type(message) == stasis_cache_update_type());
update = stasis_message_data(message);
ast_assert(update->type == ast_bridge_snapshot_type());
new_snapshot = stasis_message_data(update->new_snapshot);
old_snapshot = stasis_message_data(update->old_snapshot);
tv = update->new_snapshot ?
stasis_message_timestamp(update->new_snapshot) :
stasis_message_timestamp(message);
if (!new_snapshot) {
json = simple_bridge_event("BridgeDestroyed", old_snapshot, tv);
} else if (!old_snapshot) {
json = simple_bridge_event("BridgeCreated", new_snapshot, tv);
} else if (new_snapshot && old_snapshot
&& strcmp(new_snapshot->video_source_id, old_snapshot->video_source_id)) {
json = simple_bridge_event("BridgeVideoSourceChanged", new_snapshot, tv);
if (json && !ast_strlen_zero(old_snapshot->video_source_id)) {
ast_json_object_set(json, "old_video_source_id",
ast_json_string_create(old_snapshot->video_source_id));
}
}
if (json) {
app_send(app, json);
}
if (!new_snapshot && old_snapshot) {
unsubscribe(app, "bridge", old_snapshot->uniqueid, 1);
}
}
static void sub_channel_update_handler(void *data,
struct stasis_subscription *sub,
struct stasis_message *message)
{
struct stasis_app *app = data;
struct stasis_cache_update *update;
struct ast_channel_snapshot *new_snapshot;
struct ast_channel_snapshot *old_snapshot;
const struct timeval *tv;
int i;
ast_assert(stasis_message_type(message) == stasis_cache_update_type());
update = stasis_message_data(message);
ast_assert(update->type == ast_channel_snapshot_type());
new_snapshot = stasis_message_data(update->new_snapshot);
old_snapshot = stasis_message_data(update->old_snapshot);
/* Pull timestamp from the new snapshot, or from the update message
* when there isn't one. */
tv = update->new_snapshot ?
stasis_message_timestamp(update->new_snapshot) :
stasis_message_timestamp(message);
for (i = 0; i < ARRAY_LEN(channel_monitors); ++i) {
RAII_VAR(struct ast_json *, msg, NULL, ast_json_unref);
msg = channel_monitors[i](old_snapshot, new_snapshot, tv);
if (msg) {
app_send(app, msg);
}
}
if (!new_snapshot && old_snapshot) {
unsubscribe(app, "channel", old_snapshot->uniqueid, 1);
}
}
/*! \internal \brief convert multi object blob to ari json */
static struct ast_json *multi_user_event_to_json(
struct stasis_message *message,
const struct stasis_message_sanitizer *sanitize)
{
RAII_VAR(struct ast_json *, out, NULL, ast_json_unref);
struct ast_multi_object_blob *multi = stasis_message_data(message);
struct ast_json *blob = multi->blob;
const struct timeval *tv = stasis_message_timestamp(message);
enum stasis_user_multi_object_snapshot_type type;
int i;
out = ast_json_object_create();
if (!out) {
return NULL;
}
ast_json_object_set(out, "type", ast_json_string_create("ChannelUserevent"));
ast_json_object_set(out, "timestamp", ast_json_timeval(*tv, NULL));
ast_json_object_set(out, "eventname", ast_json_string_create(ast_json_string_get((ast_json_object_get(blob, "eventname")))));
ast_json_object_set(out, "userevent", ast_json_deep_copy(blob));
for (type = 0; type < STASIS_UMOS_MAX; ++type) {
for (i = 0; i < AST_VECTOR_SIZE(&multi->snapshots[type]); ++i) {
struct ast_json *json_object = NULL;
char *name = NULL;
void *snapshot = AST_VECTOR_GET(&multi->snapshots[type], i);
switch (type) {
case STASIS_UMOS_CHANNEL:
json_object = ast_channel_snapshot_to_json(snapshot, sanitize);
name = "channel";
break;
case STASIS_UMOS_BRIDGE:
json_object = ast_bridge_snapshot_to_json(snapshot, sanitize);
name = "bridge";
break;
case STASIS_UMOS_ENDPOINT:
json_object = ast_endpoint_snapshot_to_json(snapshot, sanitize);
name = "endpoint";
break;
}
if (json_object) {
ast_json_object_set(out, name, json_object);
}
}
}
return ast_json_ref(out);
}
static struct ast_json *channel_blob_to_json(
struct stasis_message *message,
const char *type,
const struct stasis_message_sanitizer *sanitize)
{
RAII_VAR(struct ast_json *, out, NULL, ast_json_unref);
struct ast_channel_blob *channel_blob = stasis_message_data(message);
struct ast_json *blob = channel_blob->blob;
struct ast_channel_snapshot *snapshot = channel_blob->snapshot;
const struct timeval *tv = stasis_message_timestamp(message);
int res = 0;
if (blob == NULL || ast_json_is_null(blob)) {
out = ast_json_object_create();
} else {
/* blobs are immutable, so shallow copies are fine */
out = ast_json_copy(blob);
}
if (!out) {
return NULL;
}
res |= ast_json_object_set(out, "type", ast_json_string_create(type));
res |= ast_json_object_set(out, "timestamp",
ast_json_timeval(*tv, NULL));
/* For global channel messages, the snapshot is optional */
if (snapshot) {
struct ast_json *json_channel = ast_channel_snapshot_to_json(snapshot, sanitize);
if (!json_channel) {
return NULL;
}
res |= ast_json_object_set(out, "channel", json_channel);
}
if (res != 0) {
return NULL;
}
return ast_json_ref(out);
}
static struct ast_json *dial_to_json(
struct stasis_message *message,
const struct stasis_message_sanitizer *sanitize)
{
struct ast_multi_channel_blob *payload = stasis_message_data(message);
struct ast_json *blob = ast_multi_channel_blob_get_json(payload);
struct ast_json *caller_json = ast_channel_snapshot_to_json(ast_multi_channel_blob_get_channel(payload, "caller"), sanitize);
struct ast_json *peer_json = ast_channel_snapshot_to_json(ast_multi_channel_blob_get_channel(payload, "peer"), sanitize);
struct ast_json *forwarded_json = ast_channel_snapshot_to_json(ast_multi_channel_blob_get_channel(payload, "forwarded"), sanitize);
struct ast_json *json;
const struct timeval *tv = stasis_message_timestamp(message);
int res = 0;
json = ast_json_pack("{s: s, s: o, s: O, s: O, s: O}",
"type", "Dial",
"timestamp", ast_json_timeval(*tv, NULL),
"dialstatus", ast_json_object_get(blob, "dialstatus"),
"forward", ast_json_object_get(blob, "forward"),
"dialstring", ast_json_object_get(blob, "dialstring"));
if (!json) {
ast_json_unref(caller_json);
ast_json_unref(peer_json);
ast_json_unref(forwarded_json);
return NULL;
}
if (caller_json) {
res |= ast_json_object_set(json, "caller", caller_json);
}
if (peer_json) {
res |= ast_json_object_set(json, "peer", peer_json);
}
if (forwarded_json) {
res |= ast_json_object_set(json, "forwarded", forwarded_json);
}
if (res) {
ast_json_unref(json);
return NULL;
}
return json;
}
static struct ast_json *user_event_to_json(
struct stasis_message *message,
const struct stasis_message_sanitizer *sanitize)
{
struct ast_channel_blob *channel_blob = stasis_message_data(message);
struct ast_json *blob = channel_blob->blob;
struct ast_channel_snapshot *snapshot = channel_blob->snapshot;
const struct timeval *tv = stasis_message_timestamp(message);
struct ast_json *json_channel = ast_channel_snapshot_to_json(snapshot, sanitize);
if (!json_channel) {
return NULL;
}
return ast_json_pack("{s: s, s: o, s: O, s: O, s: o}",
"type", "ChannelUserevent",
"timestamp", ast_json_timeval(*tv, NULL),
"eventname", ast_json_object_get(blob, "eventname"),
"userevent", blob,
"channel", json_channel);
}
/*!
* \brief Router callback for \ref stasis_cache_update messages.
* \param data Data pointer given when added to router.
* \param sub This subscription.
* \param topic The topic the message was posted to. This is not necessarily the
* topic you subscribed to, since messages may be forwarded between
* topics.
* \param message The message itself.
*/
static void updates(void *data, struct stasis_subscription *sub,
struct stasis_message *message)
{
/* Since this came from a message router, we know the type of the
* message. We can cast the data without checking its type.
*/
struct stasis_cache_update *update = stasis_message_data(message);
/* We're only interested in channel snapshots, so check the type
* of the underlying message.
*/
if (ast_channel_snapshot_type() != update->type) {
return;
}
/* There are three types of cache updates.
* !old && new -> Initial cache entry
* old && new -> Updated cache entry
* old && !new -> Cache entry removed.
*/
if (!update->old_snapshot && update->new_snapshot) {
/* Initial cache entry; count a channel creation */
ast_statsd_log("channels.count", AST_STATSD_COUNTER, 1);
} else if (update->old_snapshot && !update->new_snapshot) {
/* Cache entry removed. Compute the age of the channel and post
* that, as well as decrementing the channel count.
*/
struct ast_channel_snapshot *last;
int64_t age;
last = stasis_message_data(update->old_snapshot);
age = ast_tvdiff_ms(*stasis_message_timestamp(message),
last->creationtime);
ast_statsd_log("channels.calltime", AST_STATSD_TIMER, age);
/* And decrement the channel count */
ast_statsd_log("channels.count", AST_STATSD_COUNTER, -1);
}
}
static void sub_channel_update_handler(void *data,
struct stasis_subscription *sub,
struct stasis_message *message)
{
struct stasis_app *app = data;
struct ast_channel_snapshot_update *update = stasis_message_data(message);
int i;
for (i = 0; i < ARRAY_LEN(channel_monitors); ++i) {
struct ast_json *msg;
msg = channel_monitors[i](update->old_snapshot, update->new_snapshot,
stasis_message_timestamp(message));
if (msg) {
app_send(app, msg);
ast_json_unref(msg);
}
}
if (ast_test_flag(&update->new_snapshot->flags, AST_FLAG_DEAD)) {
unsubscribe(app, "channel", update->new_snapshot->base->uniqueid, 1);
}
}