diff options
Diffstat (limited to 'mediaplayer-api.c')
| -rw-r--r-- | mediaplayer-api.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/mediaplayer-api.c b/mediaplayer-api.c new file mode 100644 index 0000000..b03b246 --- /dev/null +++ b/mediaplayer-api.c @@ -0,0 +1,179 @@ +/* + * Copyright 2017 Konsulko Group + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define _GNU_SOURCE +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <unistd.h> +#include <json-c/json.h> +#include <afb/afb-binding.h> + +#include "mediaplayer-manager.h" + +const struct afb_binding_interface *afbitf; + +static struct afb_event media_added_event; +static struct afb_event media_removed_event; + +/* + * @brief Subscribe for an event + * + * @param struct afb_req : an afb request structure + * + */ +static void subscribe(struct afb_req request) +{ + const char *value = afb_req_value(request, "value"); + if(value) { + if(!strcasecmp(value, "media_added")) { + afb_req_subscribe(request, media_added_event); + } else if(!strcasecmp(value, "media_removed")) { + afb_req_subscribe(request, media_removed_event); + } else { + afb_req_fail(request, "failed", "Invalid event"); + return; + } + } + afb_req_success(request, NULL, NULL); +} + +/* + * @brief Unsubscribe for an event + * + * @param struct afb_req : an afb request structure + * + */ +static void unsubscribe(struct afb_req request) +{ + const char *value = afb_req_value(request, "value"); + if(value) { + if(!strcasecmp(value, "media_added")) { + afb_req_unsubscribe(request, media_added_event); + } else if(!strcasecmp(value, "media_removed")) { + afb_req_unsubscribe(request, media_removed_event); + } else { + afb_req_fail(request, "failed", "Invalid event"); + return; + } + } + afb_req_success(request, NULL, NULL); +} + +static json_object *new_json_object_from_device(GList *list) +{ + json_object *jarray = json_object_new_array(); + json_object *jresp = json_object_new_object(); + json_object *jstring = NULL; + GList *l; + + for (l = list; l; l = l->next) + { + jstring = json_object_new_string(l->data); + json_object_array_add(jarray, jstring); + } + + json_object_object_add(jresp, "Media", jarray); + + // TODO: Add media path + jstring = json_object_new_string(""); + json_object_object_add(jresp, "Path", jstring); + + return jresp; +} + +static void media_results_get (struct afb_req request) +{ + GList *list; + json_object *jresp = NULL; + + ListLock(); + list = media_lightmediascanner_scan(); + if (list == NULL) { + afb_req_fail(request, "failed", "media scan error"); + ListUnlock(); + return; + } + + jresp = new_json_object_from_device(list); + ListUnlock(); + + if (jresp == NULL) { + afb_req_fail(request, "failed", "media parsing error"); + return; + } + + afb_req_success(request, jresp, "Media Results Displayed"); +} + +static void media_broadcast_device_added (GList *list) +{ + json_object *jresp = new_json_object_from_device(list); + + afb_event_push(media_added_event, jresp); +} + +/* + * TODO: support multiple devices + */ +static void media_broadcast_device_removed (const char *obj_path) +{ + json_object *jresp = json_object_new_object(); + json_object *jstring = json_object_new_string(obj_path); + + json_object_object_add(jresp, "Path", jstring); + + afb_event_push(media_removed_event, jresp); +} + +static const struct afb_verb_desc_v1 binding_verbs[] = { + { "media_result", AFB_SESSION_CHECK, media_results_get, "Media scan result" }, + { "subscribe", AFB_SESSION_CHECK, subscribe, "Subscribe for an event" }, + { "unsubscribe", AFB_SESSION_CHECK, unsubscribe, "Unsubscribe for an event" }, + { NULL } +}; + +static const struct afb_binding binding_description = { + .type = AFB_BINDING_VERSION_1, + .v1 = { + .prefix = "media-manager", + .info = "mediaplayer API", + .verbs = binding_verbs, + } +}; + +const struct afb_binding +*afbBindingV1Register(const struct afb_binding_interface *itf) +{ + afbitf = itf; + + Binding_RegisterCallback_t API_Callback; + API_Callback.binding_device_added = media_broadcast_device_added; + API_Callback.binding_device_removed = media_broadcast_device_removed; + BindingAPIRegister(&API_Callback); + + MediaPlayerManagerInit(); + + return &binding_description; +} + +int afbBindingV1ServiceInit(struct afb_service service) +{ + media_added_event = afb_daemon_make_event(afbitf->daemon, "media_added"); + media_removed_event = afb_daemon_make_event(afbitf->daemon, "media_removed"); + + return 0; +} |