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-rw-r--r--res/ari/resource_bridges.c43
-rw-r--r--res/ari/resource_bridges.h30
-rw-r--r--res/res_ari_bridges.c144
-rw-r--r--res/res_stasis.c246
4 files changed, 461 insertions, 2 deletions
diff --git a/res/ari/resource_bridges.c b/res/ari/resource_bridges.c
index 348cf972b..670792fc1 100644
--- a/res/ari/resource_bridges.c
+++ b/res/ari/resource_bridges.c
@@ -43,6 +43,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/bridge.h"
#include "asterisk/format_cap.h"
#include "asterisk/file.h"
+#include "asterisk/musiconhold.h"
/*!
* \brief Finds a bridge, filling the response with an error, if appropriate.
@@ -498,6 +499,48 @@ void ast_ari_record_bridge(struct ast_variable *headers, struct ast_record_bridg
ast_ari_response_created(response, recording_url, json);
}
+void ast_ari_moh_start_bridge(struct ast_variable *headers, struct ast_moh_start_bridge_args *args, struct ast_ari_response *response)
+{
+ RAII_VAR(struct ast_bridge *, bridge, find_bridge(response, args->bridge_id), ao2_cleanup);
+ struct ast_channel *moh_channel;
+ const char *moh_class = args->moh_class;
+
+ if (!bridge) {
+ /* The response is provided by find_bridge() */
+ return;
+ }
+
+ moh_channel = stasis_app_bridge_moh_channel(bridge);
+ if (!moh_channel) {
+ ast_ari_response_alloc_failed(response);
+ return;
+ }
+
+ ast_moh_start(moh_channel, moh_class, NULL);
+
+ ast_ari_response_no_content(response);
+
+}
+
+void ast_ari_moh_stop_bridge(struct ast_variable *headers, struct ast_moh_stop_bridge_args *args, struct ast_ari_response *response)
+{
+ RAII_VAR(struct ast_bridge *, bridge, find_bridge(response, args->bridge_id), ao2_cleanup);
+
+ if (!bridge) {
+ /* the response is provided by find_bridge() */
+ return;
+ }
+
+ if (stasis_app_bridge_moh_stop(bridge)) {
+ ast_ari_response_error(
+ response, 409, "Conflict",
+ "Bridge isn't playing music");
+ return;
+ }
+
+ ast_ari_response_no_content(response);
+}
+
void ast_ari_get_bridge(struct ast_variable *headers, struct ast_get_bridge_args *args, struct ast_ari_response *response)
{
RAII_VAR(struct ast_bridge_snapshot *, snapshot, ast_bridge_snapshot_get_latest(args->bridge_id), ao2_cleanup);
diff --git a/res/ari/resource_bridges.h b/res/ari/resource_bridges.h
index d82cb6f8b..dd4575a73 100644
--- a/res/ari/resource_bridges.h
+++ b/res/ari/resource_bridges.h
@@ -133,6 +133,36 @@ struct ast_remove_channel_from_bridge_args {
* \param[out] response HTTP response
*/
void ast_ari_remove_channel_from_bridge(struct ast_variable *headers, struct ast_remove_channel_from_bridge_args *args, struct ast_ari_response *response);
+/*! \brief Argument struct for ast_ari_moh_start_bridge() */
+struct ast_moh_start_bridge_args {
+ /*! \brief Bridge's id */
+ const char *bridge_id;
+ /*! \brief Channel's id */
+ const char *moh_class;
+};
+/*!
+ * \brief Play music on hold to a bridge or change the MOH class that is playing.
+ *
+ * \param headers HTTP headers
+ * \param args Swagger parameters
+ * \param[out] response HTTP response
+ */
+void ast_ari_moh_start_bridge(struct ast_variable *headers, struct ast_moh_start_bridge_args *args, struct ast_ari_response *response);
+/*! \brief Argument struct for ast_ari_moh_stop_bridge() */
+struct ast_moh_stop_bridge_args {
+ /*! \brief Bridge's id */
+ const char *bridge_id;
+};
+/*!
+ * \brief Stop playing music on hold to a bridge.
+ *
+ * This will only stop music on hold being played via bridges/{bridgeId}/mohStart.
+ *
+ * \param headers HTTP headers
+ * \param args Swagger parameters
+ * \param[out] response HTTP response
+ */
+void ast_ari_moh_stop_bridge(struct ast_variable *headers, struct ast_moh_stop_bridge_args *args, struct ast_ari_response *response);
/*! \brief Argument struct for ast_ari_play_on_bridge() */
struct ast_play_on_bridge_args {
/*! \brief Bridge's id */
diff --git a/res/res_ari_bridges.c b/res/res_ari_bridges.c
index 05ea12e6a..fe72df714 100644
--- a/res/res_ari_bridges.c
+++ b/res/res_ari_bridges.c
@@ -469,6 +469,128 @@ fin: __attribute__((unused))
return;
}
/*!
+ * \brief Parameter parsing callback for /bridges/{bridgeId}/mohStart.
+ * \param get_params GET parameters in the HTTP request.
+ * \param path_vars Path variables extracted from the request.
+ * \param headers HTTP headers.
+ * \param[out] response Response to the HTTP request.
+ */
+static void ast_ari_moh_start_bridge_cb(
+ struct ast_variable *get_params, struct ast_variable *path_vars,
+ struct ast_variable *headers, struct ast_ari_response *response)
+{
+ struct ast_moh_start_bridge_args args = {};
+ struct ast_variable *i;
+#if defined(AST_DEVMODE)
+ int is_valid;
+ int code;
+#endif /* AST_DEVMODE */
+
+ for (i = get_params; i; i = i->next) {
+ if (strcmp(i->name, "mohClass") == 0) {
+ args.moh_class = (i->value);
+ } else
+ {}
+ }
+ for (i = path_vars; i; i = i->next) {
+ if (strcmp(i->name, "bridgeId") == 0) {
+ args.bridge_id = (i->value);
+ } else
+ {}
+ }
+ ast_ari_moh_start_bridge(headers, &args, response);
+#if defined(AST_DEVMODE)
+ code = response->response_code;
+
+ switch (code) {
+ case 0: /* Implementation is still a stub, or the code wasn't set */
+ is_valid = response->message == NULL;
+ break;
+ case 500: /* Internal Server Error */
+ case 501: /* Not Implemented */
+ case 404: /* Bridge not found */
+ case 409: /* Bridge not in Stasis application */
+ is_valid = 1;
+ break;
+ default:
+ if (200 <= code && code <= 299) {
+ is_valid = ast_ari_validate_void(
+ response->message);
+ } else {
+ ast_log(LOG_ERROR, "Invalid error response %d for /bridges/{bridgeId}/mohStart\n", code);
+ is_valid = 0;
+ }
+ }
+
+ if (!is_valid) {
+ ast_log(LOG_ERROR, "Response validation failed for /bridges/{bridgeId}/mohStart\n");
+ ast_ari_response_error(response, 500,
+ "Internal Server Error", "Response validation failed");
+ }
+#endif /* AST_DEVMODE */
+
+fin: __attribute__((unused))
+ return;
+}
+/*!
+ * \brief Parameter parsing callback for /bridges/{bridgeId}/mohStop.
+ * \param get_params GET parameters in the HTTP request.
+ * \param path_vars Path variables extracted from the request.
+ * \param headers HTTP headers.
+ * \param[out] response Response to the HTTP request.
+ */
+static void ast_ari_moh_stop_bridge_cb(
+ struct ast_variable *get_params, struct ast_variable *path_vars,
+ struct ast_variable *headers, struct ast_ari_response *response)
+{
+ struct ast_moh_stop_bridge_args args = {};
+ struct ast_variable *i;
+#if defined(AST_DEVMODE)
+ int is_valid;
+ int code;
+#endif /* AST_DEVMODE */
+
+ for (i = path_vars; i; i = i->next) {
+ if (strcmp(i->name, "bridgeId") == 0) {
+ args.bridge_id = (i->value);
+ } else
+ {}
+ }
+ ast_ari_moh_stop_bridge(headers, &args, response);
+#if defined(AST_DEVMODE)
+ code = response->response_code;
+
+ switch (code) {
+ case 0: /* Implementation is still a stub, or the code wasn't set */
+ is_valid = response->message == NULL;
+ break;
+ case 500: /* Internal Server Error */
+ case 501: /* Not Implemented */
+ case 404: /* Bridge not found */
+ case 409: /* Bridge not in Stasis application */
+ is_valid = 1;
+ break;
+ default:
+ if (200 <= code && code <= 299) {
+ is_valid = ast_ari_validate_void(
+ response->message);
+ } else {
+ ast_log(LOG_ERROR, "Invalid error response %d for /bridges/{bridgeId}/mohStop\n", code);
+ is_valid = 0;
+ }
+ }
+
+ if (!is_valid) {
+ ast_log(LOG_ERROR, "Response validation failed for /bridges/{bridgeId}/mohStop\n");
+ ast_ari_response_error(response, 500,
+ "Internal Server Error", "Response validation failed");
+ }
+#endif /* AST_DEVMODE */
+
+fin: __attribute__((unused))
+ return;
+}
+/*!
* \brief Parameter parsing callback for /bridges/{bridgeId}/play.
* \param get_params GET parameters in the HTTP request.
* \param path_vars Path variables extracted from the request.
@@ -641,6 +763,24 @@ static struct stasis_rest_handlers bridges_bridgeId_removeChannel = {
.children = { }
};
/*! \brief REST handler for /api-docs/bridges.{format} */
+static struct stasis_rest_handlers bridges_bridgeId_mohStart = {
+ .path_segment = "mohStart",
+ .callbacks = {
+ [AST_HTTP_POST] = ast_ari_moh_start_bridge_cb,
+ },
+ .num_children = 0,
+ .children = { }
+};
+/*! \brief REST handler for /api-docs/bridges.{format} */
+static struct stasis_rest_handlers bridges_bridgeId_mohStop = {
+ .path_segment = "mohStop",
+ .callbacks = {
+ [AST_HTTP_POST] = ast_ari_moh_stop_bridge_cb,
+ },
+ .num_children = 0,
+ .children = { }
+};
+/*! \brief REST handler for /api-docs/bridges.{format} */
static struct stasis_rest_handlers bridges_bridgeId_play = {
.path_segment = "play",
.callbacks = {
@@ -666,8 +806,8 @@ static struct stasis_rest_handlers bridges_bridgeId = {
[AST_HTTP_GET] = ast_ari_get_bridge_cb,
[AST_HTTP_DELETE] = ast_ari_delete_bridge_cb,
},
- .num_children = 4,
- .children = { &bridges_bridgeId_addChannel,&bridges_bridgeId_removeChannel,&bridges_bridgeId_play,&bridges_bridgeId_record, }
+ .num_children = 6,
+ .children = { &bridges_bridgeId_addChannel,&bridges_bridgeId_removeChannel,&bridges_bridgeId_mohStart,&bridges_bridgeId_mohStop,&bridges_bridgeId_play,&bridges_bridgeId_record, }
};
/*! \brief REST handler for /api-docs/bridges.{format} */
static struct stasis_rest_handlers bridges = {
diff --git a/res/res_stasis.c b/res/res_stasis.c
index 963e70d9e..35c1847bd 100644
--- a/res/res_stasis.c
+++ b/res/res_stasis.c
@@ -65,6 +65,11 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/strings.h"
#include "stasis/app.h"
#include "stasis/control.h"
+#include "asterisk/core_unreal.h"
+#include "asterisk/musiconhold.h"
+#include "asterisk/causes.h"
+#include "asterisk/stringfields.h"
+#include "asterisk/bridge_after.h"
/*! Time to wait for a frame in the application */
#define MAX_WAIT_MS 200
@@ -90,6 +95,8 @@ struct ao2_container *app_controls;
struct ao2_container *app_bridges;
+struct ao2_container *app_bridges_moh;
+
/*! \brief Message router for the channel caching topic */
struct stasis_message_router *channel_router;
@@ -194,6 +201,234 @@ static int bridges_compare(void *lhs, void *rhs, int flags)
}
}
+/*!
+ * Used with app_bridges_moh, provides links between bridges and existing music
+ * on hold channels that are being used with them.
+ */
+struct stasis_app_bridge_moh_wrapper {
+ AST_DECLARE_STRING_FIELDS(
+ AST_STRING_FIELD(channel_id);
+ AST_STRING_FIELD(bridge_id);
+ );
+};
+
+static void stasis_app_bridge_moh_wrapper_destructor(void *obj)
+{
+ struct stasis_app_bridge_moh_wrapper *wrapper = obj;
+ ast_string_field_free_memory(wrapper);
+}
+
+/*! AO2 hash function for the bridges moh container */
+static int bridges_moh_hash_fn(const void *obj, const int flags)
+{
+ const struct stasis_app_bridge_moh_wrapper *wrapper;
+ const char *key;
+
+ switch (flags & (OBJ_POINTER | OBJ_KEY | OBJ_PARTIAL_KEY)) {
+ case OBJ_KEY:
+ key = obj;
+ return ast_str_hash(key);
+ case OBJ_POINTER:
+ wrapper = obj;
+ return ast_str_hash(wrapper->bridge_id);
+ default:
+ /* Hash can only work on something with a full key. */
+ ast_assert(0);
+ return 0;
+ }
+}
+
+static int bridges_moh_sort_fn(const void *obj_left, const void *obj_right, const int flags)
+{
+ const struct stasis_app_bridge_moh_wrapper *left = obj_left;
+ const struct stasis_app_bridge_moh_wrapper *right = obj_right;
+ const char *right_key = obj_right;
+ int cmp;
+
+ switch (flags & (OBJ_POINTER | OBJ_KEY | OBJ_PARTIAL_KEY)) {
+ case OBJ_POINTER:
+ right_key = right->bridge_id;
+ /* Fall through */
+ case OBJ_KEY:
+ cmp = strcmp(left->bridge_id, right_key);
+ break;
+ case OBJ_PARTIAL_KEY:
+ cmp = strncmp(left->bridge_id, right_key, strlen(right_key));
+ break;
+ default:
+ /* Sort can only work on something with a full or partial key. */
+ ast_assert(0);
+ cmp = 0;
+ break;
+ }
+ return cmp;
+}
+
+/*! Removes the bridge to music on hold channel link */
+static void remove_bridge_moh(char *bridge_id)
+{
+ RAII_VAR(struct stasis_app_bridge_moh_wrapper *, moh_wrapper, ao2_find(app_bridges_moh, bridge_id, OBJ_KEY), ao2_cleanup);
+
+ if (moh_wrapper) {
+ ao2_unlink_flags(app_bridges_moh, moh_wrapper, OBJ_NOLOCK);
+ }
+ ast_free(bridge_id);
+}
+
+/*! After bridge failure callback for moh channels */
+static void moh_after_bridge_cb_failed(enum ast_bridge_after_cb_reason reason, void *data)
+{
+ char *bridge_id = data;
+
+ remove_bridge_moh(bridge_id);
+}
+
+/*! After bridge callback for moh channels */
+static void moh_after_bridge_cb(struct ast_channel *chan, void *data)
+{
+ char *bridge_id = data;
+
+ remove_bridge_moh(bridge_id);
+}
+
+/*! Request a bridge MOH channel */
+static struct ast_channel *prepare_bridge_moh_channel(void)
+{
+ RAII_VAR(struct ast_format_cap *, cap, NULL, ast_format_cap_destroy);
+ struct ast_format format;
+
+ cap = ast_format_cap_alloc_nolock();
+ if (!cap) {
+ return NULL;
+ }
+
+ ast_format_cap_add(cap, ast_format_set(&format, AST_FORMAT_SLINEAR, 0));
+
+ return ast_request("Announcer", cap, NULL, "ARI_MOH", NULL);
+}
+
+/*! Provides the moh channel with a thread so it can actually play its music */
+static void *moh_channel_thread(void *data)
+{
+ struct ast_channel *moh_channel = data;
+
+ while (!ast_safe_sleep(moh_channel, 1000));
+
+ ast_moh_stop(moh_channel);
+ ast_hangup(moh_channel);
+
+ return NULL;
+}
+
+/*!
+ * \internal
+ * \brief Creates, pushes, and links a channel for playing music on hold to bridge
+ *
+ * \param bridge Which bridge this moh channel exists for
+ *
+ * \retval NULL if the channel could not be created, pushed, or linked
+ * \retval Reference to the channel on success
+ */
+static struct ast_channel *bridge_moh_create(struct ast_bridge *bridge)
+{
+ RAII_VAR(struct stasis_app_bridge_moh_wrapper *, new_wrapper, NULL, ao2_cleanup);
+ RAII_VAR(char *, bridge_id, ast_strdup(bridge->uniqueid), ast_free);
+ struct ast_channel *chan;
+ pthread_t threadid;
+
+ if (!bridge_id) {
+ return NULL;
+ }
+
+ chan = prepare_bridge_moh_channel();
+
+ if (!chan) {
+ return NULL;
+ }
+
+ /* The after bridge callback assumes responsibility of the bridge_id. */
+ ast_bridge_set_after_callback(chan, moh_after_bridge_cb, moh_after_bridge_cb_failed, bridge_id);
+
+ bridge_id = NULL;
+
+ if (ast_unreal_channel_push_to_bridge(chan, bridge,
+ AST_BRIDGE_CHANNEL_FLAG_IMMOVABLE | AST_BRIDGE_CHANNEL_FLAG_LONELY)) {
+ ast_hangup(chan);
+ return NULL;
+ }
+
+ new_wrapper = ao2_alloc_options(sizeof(*new_wrapper), stasis_app_bridge_moh_wrapper_destructor, AO2_ALLOC_OPT_LOCK_NOLOCK);
+ if (!new_wrapper) {
+ ast_hangup(chan);
+ return NULL;
+ }
+
+ if (ast_string_field_init(new_wrapper, 32)) {
+ ast_hangup(chan);
+ return NULL;
+ }
+
+ ast_string_field_set(new_wrapper, bridge_id, bridge->uniqueid);
+ ast_string_field_set(new_wrapper, channel_id, ast_channel_uniqueid(chan));
+
+ if (!ao2_link(app_bridges_moh, new_wrapper)) {
+ ast_hangup(chan);
+ return NULL;
+ }
+
+ if (ast_pthread_create_detached(&threadid, NULL, moh_channel_thread, chan)) {
+ ast_log(LOG_ERROR, "Failed to create channel thread. Abandoning MOH channel creation.\n");
+ ao2_unlink_flags(app_bridges_moh, new_wrapper, OBJ_NOLOCK);
+ ast_hangup(chan);
+ return NULL;
+ }
+
+ return chan;
+}
+
+struct ast_channel *stasis_app_bridge_moh_channel(struct ast_bridge *bridge)
+{
+ RAII_VAR(struct stasis_app_bridge_moh_wrapper *, moh_wrapper, NULL, ao2_cleanup);
+
+ SCOPED_AO2LOCK(lock, app_bridges_moh);
+
+ moh_wrapper = ao2_find(app_bridges_moh, bridge->uniqueid, OBJ_KEY | OBJ_NOLOCK);
+
+ if (!moh_wrapper) {
+ struct ast_channel *bridge_moh_channel = bridge_moh_create(bridge);
+ return bridge_moh_channel;
+ }
+
+ return ast_channel_get_by_name(moh_wrapper->channel_id);
+}
+
+int stasis_app_bridge_moh_stop(struct ast_bridge *bridge)
+{
+ RAII_VAR(struct stasis_app_bridge_moh_wrapper *, moh_wrapper, NULL, ao2_cleanup);
+ struct ast_channel *chan;
+
+ SCOPED_AO2LOCK(lock, app_bridges_moh);
+
+ moh_wrapper = ao2_find(app_bridges_moh, bridge->uniqueid, OBJ_KEY | OBJ_NOLOCK);
+
+ if (!moh_wrapper) {
+ return -1;
+ }
+
+ chan = ast_channel_get_by_name(moh_wrapper->channel_id);
+ if (!chan) {
+ return -1;
+ }
+
+ ast_moh_stop(chan);
+ ast_softhangup(chan, AST_CAUSE_NORMAL_CLEARING);
+ ao2_cleanup(chan);
+
+ ao2_unlink_flags(app_bridges_moh, moh_wrapper, OBJ_NOLOCK);
+
+ return 0;
+}
+
struct ast_bridge *stasis_app_bridge_find_by_id(
const char *bridge_id)
{
@@ -1003,6 +1238,14 @@ static int load_module(void)
return AST_MODULE_LOAD_FAILURE;
}
+ app_bridges_moh = ao2_container_alloc_hash(
+ AO2_ALLOC_OPT_LOCK_MUTEX, AO2_CONTAINER_ALLOC_OPT_DUPS_REJECT,
+ 37, bridges_moh_hash_fn, bridges_moh_sort_fn, NULL);
+
+ if (!app_bridges_moh) {
+ return AST_MODULE_LOAD_FAILURE;
+ }
+
channel_router = stasis_message_router_create(ast_channel_topic_all_cached());
if (!channel_router) {
return AST_MODULE_LOAD_FAILURE;
@@ -1058,6 +1301,9 @@ static int unload_module(void)
ao2_cleanup(app_bridges);
app_bridges = NULL;
+ ao2_cleanup(app_bridges_moh);
+ app_bridges_moh = NULL;
+
return r;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 20:52:21 +0000