/*
* Copyright (C) 2015 "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
*/
#include "radio-api.h"
-#include "radio-rtlsdr.h"
/* ********************************************************
/* ------ LOCAL HELPER FUNCTIONS --------- */
+static pluginHandleT *the_radio = NULL;
+
/* detect new radio devices */
STATIC void updateRadioDevList(pluginHandleT *handle) {
/* free a radio device from requesting client, power it off */
STATIC AFB_error releaseRadio (pluginHandleT *handle, radioCtxHandleT *ctx) {
- /* power it off */
- _radio_off (ctx->idx);
+ /* stop playing if it was doing this (blocks otherwise) */
+ if (ctx->is_playing) {
+ ctx->is_playing = 0;
+ _radio_stop (ctx->idx);
+ }
- /* globally mark it as free */
- handle->radios[ctx->idx]->used = FALSE;
+ /* power it off */
+ _radio_off (ctx->idx);
- /* clean client context */
- ctx->radio = NULL;
- ctx->idx = -1;
+ /* globally mark it as free */
+ handle->radios[ctx->idx]->used = FALSE;
- return AFB_SUCCESS;
+ /* clean client context */
+ ctx->radio = NULL;
+ ctx->idx = -1;
+
+ return AFB_SUCCESS;
}
/* called when client session dies [e.g. client quits for more than 15mns] */
-STATIC json_object* freeRadio (AFB_clientCtx *client) {
+STATIC void freeRadio (void *context) {
- releaseRadio (client->plugin->handle, client->ctx);
- free (client->ctx);
-
- return jsonNewMessage (AFB_SUCCESS, "Released radio and client context");
+ releaseRadio (the_radio, context);
+ free (context);
}
/* ------ PUBLIC PLUGIN FUNCTIONS --------- */
-STATIC json_object* power (AFB_request *request) { /* AFB_SESSION_CREATE */
-
- pluginHandleT *handle = request->client->plugin->handle;
- radioCtxHandleT *ctx = (radioCtxHandleT*)request->client->ctx;
- const char *value = getQueryValue (request, "value");
+STATIC json_object* init (AFB_request *request) { /* AFB_SESSION_CHECK */
+
json_object *jresp;
- /* create a private client context if needed */
- if (!ctx) ctx = initRadioCtx();
+ /* create a private client context */
+ if (!request->context)
+ request->context = initRadioCtx();
+
+ jresp = json_object_new_object();
+ json_object_object_add(jresp, "info", json_object_new_string ("Radio initialized"));
+ return jresp;
+}
+
+STATIC json_object* power (AFB_request *request) { /* AFB_SESSION_CHECK */
+
+ pluginHandleT *handle = the_radio;
+ radioCtxHandleT *ctx = (radioCtxHandleT*)request->context;
+ const char *value = getQueryValue (request, "value");
+ json_object *jresp;
/* no "?value=" parameter : return current state */
if (!value) {
: json_object_object_add (jresp, "power", json_object_new_string ("off"));
}
- /* "?value=" parameter is "1" or "on" */
- else if ( atoi(value) == 1 || !strcasecmp(value, "on") ) {
+ /* "?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;
json_object_object_add (jresp, "power", json_object_new_string ("on"));
}
- /* "?value=" parameter is "0" or "off" */
- else if ( atoi(value) == 0 || !strcasecmp(value, "off") ) {
+ /* "?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;
jresp = json_object_new_object();
json_object_object_add (jresp, "power", json_object_new_string ("off"));
}
+ else
+ jresp = NULL;
return jresp;
}
STATIC json_object* mode (AFB_request *request) { /* AFB_SESSION_CHECK */
- radioCtxHandleT *ctx = (radioCtxHandleT*)request->client->ctx;
+ radioCtxHandleT *ctx = (radioCtxHandleT*)request->context;
const char *value = getQueryValue (request, "value");
- json_object *jresp;
+ json_object *jresp = json_object_new_object();
/* no "?value=" parameter : return current state */
- if (!value) {
- jresp = json_object_new_object();
+ if (!value || !ctx->radio) {
ctx->mode ?
json_object_object_add (jresp, "mode", json_object_new_string ("AM"))
: json_object_object_add (jresp, "mode", json_object_new_string ("FM"));
}
- /* "?value=" parameter is "1" or "on" */
+ /* "?value=" parameter is "1" or "AM" */
else if ( atoi(value) == 1 || !strcasecmp(value, "AM") ) {
ctx->mode = AM;
_radio_set_mode (ctx->idx, ctx->mode);
-
- jresp = json_object_new_object();
json_object_object_add (jresp, "mode", json_object_new_string ("AM"));
}
- /* "?value=" parameter is "0" or "off" */
+ /* "?value=" parameter is "0" or "FM" */
else if ( atoi(value) == 0 || !strcasecmp(value, "FM") ) {
ctx->mode = FM;
_radio_set_mode (ctx->idx, ctx->mode);
-
- jresp = json_object_new_object();
json_object_object_add (jresp, "mode", json_object_new_string ("FM"));
}
STATIC json_object* freq (AFB_request *request) { /* AFB_SESSION_CHECK */
- radioCtxHandleT *ctx = (radioCtxHandleT*)request->client->ctx;
+ radioCtxHandleT *ctx = (radioCtxHandleT*)request->context;
const char *value = getQueryValue (request, "value");
json_object *jresp = json_object_new_object();
+ double freq;
char freq_str[256];
/* no "?value=" parameter : return current state */
- if (!value) {
+ if (!value || !ctx->radio) {
snprintf (freq_str, sizeof(freq_str), "%f", ctx->freq);
json_object_object_add (jresp, "freq", json_object_new_string (freq_str));
}
/* "?value=" parameter, set frequency */
else {
- ctx->freq = strtof (value, NULL);
- _radio_set_freq (ctx->idx, ctx->freq);
-
+ freq = strtod (value, NULL);
+ _radio_set_freq (ctx->idx, freq);
+ ctx->freq = (float)freq;
+
snprintf (freq_str, sizeof(freq_str), "%f", ctx->freq);
json_object_object_add (jresp, "freq", json_object_new_string (freq_str));
}
STATIC json_object* mute (AFB_request *request) { /* AFB_SESSION_CHECK */
- radioCtxHandleT *ctx = (radioCtxHandleT*)request->client->ctx;
+ radioCtxHandleT *ctx = (radioCtxHandleT*)request->context;
const char *value = getQueryValue (request, "value");
- json_object *jresp;
+ json_object *jresp = json_object_new_object();
char *mute_str;
/* no "?value=" parameter : return current state */
- if (!value) {
+ if (!value || !ctx->radio) {
ctx->mute ?
json_object_object_add (jresp, "mute", json_object_new_string ("on"))
: json_object_object_add (jresp, "mute", json_object_new_string ("off"));
}
- /* "?value=" parameter is "1" or "on" */
- else if ( atoi(value) == 1 || !strcasecmp(value, "on") ) {
+ /* "?value=" parameter is "1" or "true" */
+ else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
ctx->mute = 1;
_radio_set_mute (ctx->idx, ctx->mute);
-
- jresp = json_object_new_object();
json_object_object_add (jresp, "mute", json_object_new_string ("on"));
}
- /* "?value=" parameter is "0" or "off" */
+ /* "?value=" parameter is "0" or "false" */
else if ( atoi(value) == 0 || !strcasecmp(value, "off") ) {
ctx->mute = 0;
_radio_set_mute (ctx->idx, ctx->mute);
-
- jresp = json_object_new_object();
json_object_object_add (jresp, "mute", json_object_new_string ("off"));
}
STATIC json_object* play (AFB_request *request) { /* AFB_SESSION_CHECK */
- radioCtxHandleT *ctx = (radioCtxHandleT*)request->client->ctx;
+ radioCtxHandleT *ctx = (radioCtxHandleT*)request->context;
const char *value = getQueryValue (request, "value");
- json_object *jresp;
+ json_object *jresp = json_object_new_object();
/* no "?value=" parameter : return current state */
- if (!value) {
+ if (!value || !ctx->radio) {
ctx->is_playing ?
json_object_object_add (jresp, "play", json_object_new_string ("on"))
: json_object_object_add (jresp, "play", json_object_new_string ("off"));
}
- /* "?value=" parameter is "1" or "on" */
- else if ( atoi(value) == 1 || !strcasecmp(value, "on") ) {
+ /* "?value=" parameter is "1" or "true" */
+ else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
/* radio playback */
ctx->is_playing = 1;
_radio_play (ctx->idx);
-
- jresp = json_object_new_object();
json_object_object_add (jresp, "play", json_object_new_string ("on"));
}
- /* "?value=" parameter is "0" or "off" */
- else if ( atoi(value) == 0 || !strcasecmp(value, "off") ) {
+ /* "?value=" parameter is "0" or "false" */
+ else if ( atoi(value) == 0 || !strcasecmp(value, "false") ) {
/* radio stop */
ctx->is_playing = 0;
_radio_stop (ctx->idx);
-
- jresp = json_object_new_object();
- json_object_object_add (jresp, "play-on", json_object_new_string ("off"));
+ json_object_object_add (jresp, "play", json_object_new_string ("off"));
}
return jresp;
}
-STATIC json_object* status (AFB_request *request) {
- return NULL;
+STATIC json_object* ping (AFB_request *request) { /* AFB_SESSION_NONE */
+ return jsonNewMessage(AFB_SUCCESS, "Ping Binder Daemon - Radio API");
}
STATIC AFB_restapi pluginApis[]= {
- {"power" , AFB_SESSION_CREATE, (AFB_apiCB)power , "Radio API - power"},
+ {"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"},
- {"status" , AFB_SESSION_RENEW, (AFB_apiCB)status , "Radio API - status"},
+ {"ping" , AFB_SESSION_NONE, (AFB_apiCB)ping , "Radio API - ping"},
{NULL}
};
-PUBLIC AFB_plugin* radioRegister () {
+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 = freeRadio;
+ plugin->freeCtxCB = (AFB_freeCtxCB)freeRadio;
- return (plugin);
+ the_radio = initRadioPlugin();
+ return plugin;
};
Code Review / src / app-framework-binder.git / blobdiff