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authorFulup Ar Foll <fulup@iot.bzh>2017-03-11 00:27:30 +0100
committerFulup Ar Foll <fulup@iot.bzh>2017-03-11 00:27:30 +0100
commit521281617cec5d89725c4844eac68b5a772fab57 (patch)
tree74a5a5154c88cdae485fd2f139d50f3bf003ae9d /AlsaSound/HALayer/Shared/SharedHalLib.c
parent5cb52e556fed8eb0cf74d1052fe413fbb7406b0e (diff)
Work in Progress
Static/Dynamic Lib Fixed. Source Tree cleaned up Compile but to be tested Business Logic not done
Diffstat (limited to 'AlsaSound/HALayer/Shared/SharedHalLib.c')
-rw-r--r--AlsaSound/HALayer/Shared/SharedHalLib.c252
1 files changed, 0 insertions, 252 deletions
diff --git a/AlsaSound/HALayer/Shared/SharedHalLib.c b/AlsaSound/HALayer/Shared/SharedHalLib.c
deleted file mode 100644
index ffa25e0..0000000
--- a/AlsaSound/HALayer/Shared/SharedHalLib.c
+++ /dev/null
@@ -1,252 +0,0 @@
-/*
- * 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.
- *
- * reference:
- * amixer contents; amixer controls;
- * http://www.tldp.org/HOWTO/Alsa-sound-6.html
- */
-#define _GNU_SOURCE // needed for vasprintf
-#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>
-
-#include <json-c/json.h>
-#include <afb/afb-binding.h>
-#include <afb/afb-service-itf.h>
-
-#include "MiscHelpers.h"
-#include "AlsaHalIface.h"
-
-typdef struct {
- int numid;
-} shareHallMap_T;
-
-static struct afb_service srvitf;
-static const struct afb_binding_interface *afbIface;
-static shareHallMap_T *shareHallMap;
-
-
-STATIC void localping(struct afb_req request) {
- json_object *query = afb_req_json(request);
- afb_req_success(request, query, NULL);
-}
-
-// This callback when api/alsacore/subscribe returns
-STATIC void alsaSubcribeCB (void *handle, int iserror, struct json_object *result) {
- struct afb_req request = afb_req_unstore(handle);
- struct json_object *x, *resp = NULL;
- const char *info = NULL;
-
- if (result) {
- INFO (afbIface, "result=[%s]\n", json_object_to_json_string (result));
- if (json_object_object_get_ex(result, "request", &x) && json_object_object_get_ex(x, "info", &x))
- info = json_object_get_string(x);
- if (!json_object_object_get_ex(result, "response", &resp)) resp = NULL;
- }
-
- // push message respond
- if (iserror) afb_req_fail_f(request, "Fail", info);
- else afb_req_success(request, resp, info);
-
- // free calling request
- afb_req_unref(request);
-}
-
-// Create and subscribe to alsacore ctl events
-STATIC void halMonitor(struct afb_req request) {
-
- // save request in session as it might be used after return by callback
- struct afb_req *handle = afb_req_store(request);
-
- // push request to low level binding
- if (!handle) afb_req_fail(request, "error", "out of memory");
- else afb_service_call(srvitf, "alsacore", "subctl", json_object_get(afb_req_json(request)), alsaSubcribeCB, handle);
-
- // success/failure messages return from callback
-}
-
-// Subscribe to AudioBinding events
-STATIC void halSubscribe (struct afb_req request) {
- const char *devid = afb_req_value(request, "devid");
- if (devid == NULL) {
- afb_req_fail_f (request, "devid-missing", "devid=hw:xxx missing");
- }
-}
-
-// Call when all bindings are loaded and ready to accept request
-STATIC void halGetVol(struct afb_req request) {
-
- // Should call here Hardware Alsa Abstraction Layer for corresponding Sound Card
- afb_req_success (request, NULL, NULL);
- return;
-
-}
-
-STATIC void halSetVol(struct afb_req request) {
- const char *arg;
- const char *pcm;
-
- arg = afb_req_value(request, "vol");
- if (arg == NULL) {
- afb_req_fail_f (request, "argument-missing", "vol=[0,100] missing");
- goto OnErrorExit;
- }
-
- pcm = afb_req_value(request, "pcm");
- if (pcm == NULL) pcm="Master";
-
- // Should call here Hardware Alsa Abstraction Layer for corresponding Sound Card
- afb_req_success (request, NULL, NULL);
- return;
-
- OnErrorExit:
- return;
-
-}
-
-// this is call when after all bindings are loaded
-STATIC int halGetControl(struct afb_service service) {
- srvitf = service;
- struct json_object *queryin, *queryout, *ctls, *devid;
-
- // get query from request
- queryin = afb_req_json(request);
-
- // check devid was given
- devid= json_object_object_get(queryin,"devid");
- if (!ctls) {
- afb_req_fail_f(request, "devid-notfound", "No DevID given query=[%s]", json_object_get_string(queryin));
- goto OnErrorExit;
- }
-
- // loop on requested controls
- ctls= json_object_object_get(queryin,"ctls");
- if (!ctls || json_object_array_length(ctls) <= 0) {
- afb_req_fail_f(request, "ctls-notfound", "No Controls given query=[%s]", json_object_get_string(queryin));
- goto OnErrorExit;
- }
-
- for (int idx=0; idx< json_object_array_length(ctls), idx++) {
- struct json_object *ctl;
- halControlEnumT control;
- int value;
-
- // each controls should be halControlEnumT+value
- ctl = json_object_array_get_idx(ctls, idx);
- if (json_object_array_length(ctl != 2)) {
- afb_req_fail_f(request, "ctl-invalid", "Invalid Control devid=%s ctl=[%s]"json_object_get_string(devid), json_object_get_string(cls));
- goto OnErrorExit;
- }
-
- // As HAL and Business logic use the same AlsaMixerHal.h direct conversion is not an issue
- control = (halControlEnumT)json_object_get_int(json_object_array_get_idx(ctl,0));
- value = json_object_get_int(json_object_array_get_idx(ctl,0));
-
- if (control >= EndHalCrlTag || control <= StartHalCrlTag) {
- afb_req_fail_f(request, "ctl-invalid", "Invalid Control devid=%s ctl=[%s] should be [%d=%d]"
- , json_object_get_string(devid), json_object_get_string(cls)), StartHalCrlTag, EndHalCrlTag;
- goto OnErrorExit;
- }
-
-
- default:
- NOTICE (afbIface, "audioLogicOpenCB2 unknown HAL control=[%s]", json_object_get_string(ctl)):
- }
- }
-
-
- // register HAL with Alsa Low Level Binder devid=hw:0&numid=1&quiet=0
- queryurl=json_object_new_object();
- json_object_object_add(queryurl, "prefix",json_object_new_string(alsaHalBinding.v1.prefix));
- json_object_object_add(queryurl, "name" ,json_object_new_string(alsaHalSndCard.name));
- afb_service_call(srvitf, "alsacore", "registerHal", queryurl, halGetControlCB, queryurl);
-
-
- afb_req_success (request, sndctrls, NULL);
- return;
-
-OnErrorExit:
-
-};
-
-STATIC void halInitCB (void *handle, int iserror, struct json_object *result) {
- struct json_object *queryurl = (json_object*)handle;
-
- if (iserror) NOTICE (afbIface, "halInitCB: registration alsaHAL query=[%s] Fail", json_object_to_json_string(queryurl));
- else DEBUG(afbIface, "halInitCB: registration alsaHAL card=[%s] Success", json_object_to_json_string(queryurl));
-}
-
-// This receive all event this binding subscribe to
-PUBLIC void afbBindingV1ServiceEvent(const char *evtname, struct json_object *object) {
-
- NOTICE (afbIface, "afbBindingV1ServiceEvent evtname=%s [msg=%s]", evtname, json_object_to_json_string(object));
-}
-
-// this is call when after all bindings are loaded
-PUBLIC int afbBindingV1ServiceInit(struct afb_service service) {
- srvitf = service;
- struct json_object *queryurl;
-
- // API prefix is used as sndcard halname
- alsaHalBinding.v1.prefix= prefix;
-
- // register HAL with Alsa Low Level Binder
- queryurl=json_object_new_object();
- json_object_object_add(ctx->queryurl, "prefix",json_object_new_string(alsaHalBinding.v1.prefix));
- json_object_object_add(ctx->queryurl, "name" ,json_object_new_string(alsaHalSndCard.name));
- afb_service_call(srvitf, "alsacore", "registerHal", queryurl, halInitCB, NULL);
-
- return 0;
-};
-
-
-// Every HAL export the same API & Interface Mapping from SndCard to AudioLogic is done through alsaHalSndCardT
-STATIC const struct afb_verb_desc_v1 halSharedApi[] = {
- /* VERB'S NAME SESSION MANAGEMENT FUNCTION TO CALL SHORT DESCRIPTION */
- { .name= "ping" , .session= AFB_SESSION_NONE, .callback= localping, .info= "Ping Binding" },
- { .name= "getcontrol", .session= AFB_SESSION_NONE, .callback= halGetControl,.info= "Get Control" },
- { .name= "setvolume", .session= AFB_SESSION_NONE, .callback= halSetVol, .info= "Set Volume" },
- { .name= "getvolume", .session= AFB_SESSION_NONE, .callback= halGetVol, .info= "Get Volume" },
- { .name= "subscribe", .session= AFB_SESSION_NONE, .callback= halSubscribe, .info= "Subscribe AudioBinding Events" },
- { .name= NULL } /* marker for end of the array */
-};
-
-// Process HAL mapping from alsaHalSndCardT before registering HAL binder
-PUBLIC const struct afb_binding *afbBindingV1Register(const struct afb_binding_interface *itf) {
- int count;
- afbIface= itf; // need to keep a static trace of binder interface for avances functions
- alsaHalBinding.verbs=halSharedApi; // complete sndcard specific alsaHalBinding with standard HAL APIs
- alsaHalCtlMapT *alsaHalCtls = MapalsaHalSndCard.alsaHalCtlsMap; // Get sndcard specific HAL control mapping
-
- if (alsaHalCtls == NULL) {
- ERROR (afbIface, "afbBindingV1Register Fail alsaHalCtlsMap==NULL");
- return NULL;
- }
-
- // Create a zone to store HAL high/low level mapping
- shareHallMap = calloc (EndHalCrlTag * sizeof(shareHallMap_T));
- for (int idx= 0; alsaHalCtlsMap[idx].numid != 0; idx++) {
- shareHallMap[alsaHalCtlsMap[idx].]->numid = alsaHalCtlsMap[idx].numid;
- }
-
- return alsaHalBinding; /* returns the description of the binding */
-}