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Diffstat (limited to 'Alsa/core-binding/AlsaAfbBinding.c')
-rw-r--r-- | Alsa/core-binding/AlsaAfbBinding.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/Alsa/core-binding/AlsaAfbBinding.c b/Alsa/core-binding/AlsaAfbBinding.c new file mode 100644 index 0000000..012b6c8 --- /dev/null +++ b/Alsa/core-binding/AlsaAfbBinding.c @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2016 "IoT.bzh" + * Author Fulup Ar Foll <fulup@iot.bzh> + * + * 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 <unistd.h> +#include <errno.h> +#include <netdb.h> +#include <fcntl.h> +#include <math.h> +#include <sys/time.h> +#include <sys/types.h> + +#define _GNU_SOURCE // needed for vasprintf +#include "AlsaLibMapping.h" +#include <afb/afb-service-itf.h> + +PUBLIC const struct afb_binding_interface *binderIface; + +static void localping(struct afb_req request) { + json_object *query = afb_req_json(request); + afb_req_success(request, query, NULL); +} + +/* + * array of the verbs exported to afb-daemon + */ +static const struct afb_verb_desc_v1 binding_verbs[] = { + /* VERB'S NAME SESSION MANAGEMENT FUNCTION TO CALL SHORT DESCRIPTION */ + { .name= "ping" , .session= AFB_SESSION_NONE, .callback= localping, .info= "Ping Binding" }, + { .name= "getinfo", .session= AFB_SESSION_NONE, .callback= alsaGetInfo, .info= "List All/One Sound Cards Info" }, + { .name= "getctl", .session= AFB_SESSION_NONE, .callback= alsaGetCtl, .info= "List All/One Controls from selected sndcard" }, + { .name= "subctl", .session= AFB_SESSION_NONE, .callback= alsaSubCtl, .info= "Subscribe to events from selected sndcard" }, + { .name= NULL } /* marker for end of the array */ +}; + +/* + * description of the binding for afb-daemon + */ +static const struct afb_binding binding_description = { + /* description conforms to VERSION 1 */ + .type= AFB_BINDING_VERSION_1, + .v1= { + .prefix= "alsacore", + .info= "Low Level Interface to Alsa Sound Lib", + .verbs = binding_verbs + } +}; + +extern int afbBindingV1ServiceInit(struct afb_service service) { + // this is call when after all bindings are loaded + return (0); +}; + +/* + * activation function for registering the binding called by afb-daemon + */ +const struct afb_binding *afbBindingV1Register(const struct afb_binding_interface *itf) { + binderIface= itf; + + return &binding_description; /* returns the description of the binding */ +} + |