X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=plugins%2Fradio%2Fradio-api.c;h=e4a89ba61e46127f06c268510603ce9219ae187b;hb=06382af9092babedbf56aa1c00b3bd7cb0b86cda;hp=d6855feac679d6f534a824e153dc25672371019e;hpb=a10fa6960df758dcfcb406dcee6383be5d494187;p=src%2Fapp-framework-binder.git diff --git a/plugins/radio/radio-api.c b/plugins/radio/radio-api.c index d6855fea..e4a89ba6 100644 --- a/plugins/radio/radio-api.c +++ b/plugins/radio/radio-api.c @@ -1,24 +1,30 @@ /* - * Copyright (C) 2015 "IoT.bzh" + * Copyright (C) 2015, 2016 "IoT.bzh" * Author "Manuel Bachmann" * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. + * 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 * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. + * http://www.apache.org/licenses/LICENSE-2.0 * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . + * 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 +#include + #include "radio-api.h" #include "radio-rtlsdr.h" +#include +#include + /* ******************************************************** FULUP integration proposal with client session context @@ -27,8 +33,10 @@ /* ------ LOCAL HELPER FUNCTIONS --------- */ +static pluginHandleT *the_radio = NULL; + /* detect new radio devices */ -STATIC void updateRadioDevList(pluginHandleT *handle) { +void updateRadioDevList(pluginHandleT *handle) { int idx; @@ -42,18 +50,16 @@ STATIC void updateRadioDevList(pluginHandleT *handle) { } /* global plugin context creation ; at loading time [radio devices might not be visible] */ -STATIC pluginHandleT* initRadioPlugin() { +static void initRadioPlugin() { - pluginHandleT *handle; + pluginHandleT *handle = the_radio; handle = calloc (1, sizeof(pluginHandleT)); updateRadioDevList (handle); - - return handle; } /* private client context creation ; default values */ -STATIC radioCtxHandleT* initRadioCtx () { +static radioCtxHandleT* initRadioCtx () { radioCtxHandleT *ctx; @@ -69,15 +75,15 @@ STATIC radioCtxHandleT* initRadioCtx () { } /* reserve a radio device for requesting client, power it on */ -STATIC AFB_error reserveRadio (pluginHandleT *handle, radioCtxHandleT *ctx) { - int idx; +unsigned char reserveRadio (pluginHandleT *handle, radioCtxHandleT *ctx) { + unsigned int idx; /* loop on all devices, find an unused one */ for (idx = 0; idx < _radio_dev_count(); idx++) { if (idx == MAX_RADIO) break; if (handle->radios[idx]->used == FALSE) goto found_radio; /* found one */ } - return AFB_FAIL; + return 0; found_radio: /* try to power it on, passing client context info such as frequency... */ @@ -91,11 +97,11 @@ STATIC AFB_error reserveRadio (pluginHandleT *handle, radioCtxHandleT *ctx) { ctx->radio = handle->radios[idx]; ctx->idx = idx; - return AFB_SUCCESS; + return 1; } /* free a radio device from requesting client, power it off */ -STATIC AFB_error releaseRadio (pluginHandleT *handle, radioCtxHandleT *ctx) { +unsigned char releaseRadio (pluginHandleT *handle, radioCtxHandleT *ctx) { /* stop playing if it was doing this (blocks otherwise) */ if (ctx->is_playing) { @@ -113,37 +119,40 @@ STATIC AFB_error releaseRadio (pluginHandleT *handle, radioCtxHandleT *ctx) { ctx->radio = NULL; ctx->idx = -1; - return AFB_SUCCESS; + return 1; } /* called when client session dies [e.g. client quits for more than 15mns] */ -STATIC void freeRadio (void *context, void *handle) { +static void freeRadio (void *context) { - releaseRadio (handle, context); + releaseRadio (the_radio, context); free (context); } /* ------ PUBLIC PLUGIN FUNCTIONS --------- */ -STATIC json_object* init (AFB_request *request) { /* AFB_SESSION_CHECK */ +static void init (struct afb_req request) { /* AFB_SESSION_CHECK */ + radioCtxHandleT *ctx = (radioCtxHandleT*) afb_req_context_get(request); json_object *jresp; /* create a private client context */ - if (!request->context) - request->context = initRadioCtx(); + if (!ctx) { + ctx = initRadioCtx(); + afb_req_context_set (request, ctx, free); + } jresp = json_object_new_object(); - json_object_object_add(jresp, "info", json_object_new_string ("Radio initialized")); - return jresp; + json_object_object_add(jresp, "init", json_object_new_string ("success")); + afb_req_success (request, jresp, "Radio - Initialized"); } -STATIC json_object* power (AFB_request *request) { /* AFB_SESSION_CHECK */ +static void power (struct afb_req request) { /* AFB_SESSION_CHECK */ - pluginHandleT *handle = (pluginHandleT*)request->handle; - radioCtxHandleT *ctx = (radioCtxHandleT*)request->context; - const char *value = getQueryValue (request, "value"); + pluginHandleT *handle = the_radio; + radioCtxHandleT *ctx = (radioCtxHandleT*) afb_req_context_get(request); + const char *value = afb_req_value (request, "value"); json_object *jresp; /* no "?value=" parameter : return current state */ @@ -157,9 +166,9 @@ STATIC json_object* power (AFB_request *request) { /* AFB_SESSION_CHECK */ /* "?value=" parameter is "1" or "true" */ else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) { if (!ctx->radio) { - if (reserveRadio (handle, ctx) == AFB_FAIL) { - request->errcode = MHD_HTTP_SERVICE_UNAVAILABLE; - return (jsonNewMessage (AFB_FAIL, "No more radio devices available")); + if (!reserveRadio (handle, ctx)) { + afb_req_fail (request, "failed", "no more radio devices available"); + return; } } jresp = json_object_new_object(); @@ -169,22 +178,24 @@ STATIC json_object* power (AFB_request *request) { /* AFB_SESSION_CHECK */ /* "?value=" parameter is "0" or "false" */ else if ( atoi(value) == 0 || !strcasecmp(value, "false") ) { if (ctx->radio) { - if (releaseRadio (handle, ctx) == AFB_FAIL) { - request->errcode = MHD_HTTP_SERVICE_UNAVAILABLE; - return (jsonNewMessage (AFB_FAIL, "Unable to release radio device")); + if (!releaseRadio (handle, ctx)) { + afb_req_fail (request, "failed", "Unable to release radio device"); + return; } } jresp = json_object_new_object(); json_object_object_add (jresp, "power", json_object_new_string ("off")); } + else + jresp = NULL; - return jresp; + afb_req_success (request, jresp, "Radio - Power set"); } -STATIC json_object* mode (AFB_request *request) { /* AFB_SESSION_CHECK */ +static void mode (struct afb_req request) { /* AFB_SESSION_CHECK */ - radioCtxHandleT *ctx = (radioCtxHandleT*)request->context; - const char *value = getQueryValue (request, "value"); + radioCtxHandleT *ctx = (radioCtxHandleT*) afb_req_context_get(request); + const char *value = afb_req_value (request, "value"); json_object *jresp = json_object_new_object(); /* no "?value=" parameter : return current state */ @@ -207,14 +218,14 @@ STATIC json_object* mode (AFB_request *request) { /* AFB_SESSION_CHECK */ _radio_set_mode (ctx->idx, ctx->mode); json_object_object_add (jresp, "mode", json_object_new_string ("FM")); } - - return jresp; + + afb_req_success (request, jresp, "Radio - Mode set"); } -STATIC json_object* freq (AFB_request *request) { /* AFB_SESSION_CHECK */ +static void freq (struct afb_req request) { /* AFB_SESSION_CHECK */ - radioCtxHandleT *ctx = (radioCtxHandleT*)request->context; - const char *value = getQueryValue (request, "value"); + radioCtxHandleT *ctx = (radioCtxHandleT*) afb_req_context_get(request); + const char *value = afb_req_value (request, "value"); json_object *jresp = json_object_new_object(); double freq; char freq_str[256]; @@ -234,16 +245,15 @@ STATIC json_object* freq (AFB_request *request) { /* AFB_SESSION_CHECK */ snprintf (freq_str, sizeof(freq_str), "%f", ctx->freq); json_object_object_add (jresp, "freq", json_object_new_string (freq_str)); } - - return jresp; + + afb_req_success (request, jresp, "Radio - Frequency Set"); } -STATIC json_object* mute (AFB_request *request) { /* AFB_SESSION_CHECK */ +static void mute (struct afb_req request) { /* AFB_SESSION_CHECK */ - radioCtxHandleT *ctx = (radioCtxHandleT*)request->context; - const char *value = getQueryValue (request, "value"); + radioCtxHandleT *ctx = (radioCtxHandleT*) afb_req_context_get(request); + const char *value = afb_req_value (request, "value"); json_object *jresp = json_object_new_object(); - char *mute_str; /* no "?value=" parameter : return current state */ if (!value || !ctx->radio) { @@ -265,14 +275,14 @@ STATIC json_object* mute (AFB_request *request) { /* AFB_SESSION_CHECK */ _radio_set_mute (ctx->idx, ctx->mute); json_object_object_add (jresp, "mute", json_object_new_string ("off")); } - - return jresp; + + afb_req_success (request, jresp, "Radio - Mute set"); } -STATIC json_object* play (AFB_request *request) { /* AFB_SESSION_CHECK */ +static void play (struct afb_req request) { /* AFB_SESSION_CHECK */ - radioCtxHandleT *ctx = (radioCtxHandleT*)request->context; - const char *value = getQueryValue (request, "value"); + radioCtxHandleT *ctx = (radioCtxHandleT*) afb_req_context_get(request); + const char *value = afb_req_value (request, "value"); json_object *jresp = json_object_new_object(); /* no "?value=" parameter : return current state */ @@ -298,34 +308,34 @@ STATIC json_object* play (AFB_request *request) { /* AFB_SESSION_CHECK */ json_object_object_add (jresp, "play", json_object_new_string ("off")); } - return jresp; + afb_req_success (request, jresp, "Radio - Play succeeded"); } -STATIC json_object* ping (AFB_request *request) { /* AFB_SESSION_NONE */ - return jsonNewMessage(AFB_SUCCESS, "Ping Binder Daemon - Radio API"); +static void ping (struct afb_req request) { /* AFB_SESSION_NONE */ + afb_req_success (request, NULL, "Radio - Ping succeeded"); } -STATIC AFB_restapi pluginApis[]= { - {"init" , AFB_SESSION_CHECK, (AFB_apiCB)init , "Radio API - init"}, - {"power" , AFB_SESSION_CHECK, (AFB_apiCB)power , "Radio API - power"}, - {"mode" , AFB_SESSION_CHECK, (AFB_apiCB)mode , "Radio API - mode"}, - {"freq" , AFB_SESSION_CHECK, (AFB_apiCB)freq , "Radio API - freq"}, - {"mute" , AFB_SESSION_CHECK, (AFB_apiCB)mute , "Radio API - mute"}, - {"play" , AFB_SESSION_CHECK, (AFB_apiCB)play , "Radio API - play"}, - {"ping" , AFB_SESSION_NONE, (AFB_apiCB)ping , "Radio API - ping"}, +static const struct AFB_restapi pluginApis[]= { + {"init" , AFB_SESSION_CHECK, init , "Radio API - init"}, + {"power" , AFB_SESSION_CHECK, power , "Radio API - power"}, + {"mode" , AFB_SESSION_CHECK, mode , "Radio API - mode"}, + {"freq" , AFB_SESSION_CHECK, freq , "Radio API - freq"}, + {"mute" , AFB_SESSION_CHECK, mute , "Radio API - mute"}, + {"play" , AFB_SESSION_CHECK, play , "Radio API - play"}, + {"ping" , AFB_SESSION_NONE, ping , "Radio API - ping"}, {NULL} }; -PUBLIC AFB_plugin* pluginRegister () { - AFB_plugin *plugin = malloc (sizeof(AFB_plugin)); - plugin->type = AFB_PLUGIN_JSON; - plugin->info = "Application Framework Binder - Radio plugin"; - plugin->prefix = "radio"; - plugin->apis = pluginApis; - - plugin->handle = initRadioPlugin(); - plugin->freeCtxCB = (AFB_freeCtxCB)freeRadio; - - return (plugin); +static const struct AFB_plugin pluginDesc = { + .type = AFB_PLUGIN_JSON, + .info = "Application Framework Binder - Radio plugin", + .prefix = "radio", + .apis = pluginApis }; + +const struct AFB_plugin *pluginRegister (const struct AFB_interface *itf) +{ + initRadioPlugin(); + return &pluginDesc; +}