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Diffstat (limited to 'plugins/radio/radio-api.c')
-rw-r--r--plugins/radio/radio-api.c97
1 files changed, 50 insertions, 47 deletions
diff --git a/plugins/radio/radio-api.c b/plugins/radio/radio-api.c
index b2a22902..d3d04ae8 100644
--- a/plugins/radio/radio-api.c
+++ b/plugins/radio/radio-api.c
@@ -17,6 +17,7 @@
#define _GNU_SOURCE
#include <strings.h>
+#include <json-c/json.h>
#include "radio-api.h"
#include "radio-rtlsdr.h"
@@ -35,7 +36,7 @@
static pluginHandleT *the_radio = NULL;
/* detect new radio devices */
-STATIC void updateRadioDevList(pluginHandleT *handle) {
+void updateRadioDevList(pluginHandleT *handle) {
int idx;
@@ -49,24 +50,22 @@ 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;
ctx = malloc (sizeof(radioCtxHandleT));
ctx->radio = NULL;
- //ctx->idx = -1;
+ ctx->idx = -1;
ctx->mode = FM;
ctx->freq = 100.0;
ctx->mute = 0;
@@ -76,7 +75,7 @@ STATIC radioCtxHandleT* initRadioCtx () {
}
/* reserve a radio device for requesting client, power it on */
-STATIC AFB_error reserveRadio (pluginHandleT *handle, radioCtxHandleT *ctx) {
+unsigned char reserveRadio (pluginHandleT *handle, radioCtxHandleT *ctx) {
unsigned int idx;
/* loop on all devices, find an unused one */
@@ -84,7 +83,7 @@ STATIC AFB_error reserveRadio (pluginHandleT *handle, radioCtxHandleT *ctx) {
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... */
@@ -98,11 +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) {
@@ -118,13 +117,13 @@ STATIC AFB_error releaseRadio (pluginHandleT *handle, radioCtxHandleT *ctx) {
/* clean client context */
ctx->radio = NULL;
- //ctx->idx = -1;
+ 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) {
+static void freeRadio (void *context) {
releaseRadio (the_radio, context);
free (context);
@@ -133,24 +132,27 @@ STATIC void freeRadio (void *context) {
/* ------ PUBLIC PLUGIN FUNCTIONS --------- */
-STATIC void init (struct afb_req 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"));
+ json_object_object_add(jresp, "init", json_object_new_string ("success"));
afb_req_success (request, jresp, "Radio - Initialized");
}
-STATIC void power (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void power (struct afb_req request) { /* AFB_SESSION_CHECK */
pluginHandleT *handle = the_radio;
- radioCtxHandleT *ctx = (radioCtxHandleT*)request.context;
- const char *value = afb_req_argument (request, "value");
+ 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 */
@@ -164,10 +166,9 @@ STATIC void power (struct afb_req 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;
- afb_req_fail (request, "failed", "No more radio devices available");
- return;
+ if (!reserveRadio (handle, ctx)) {
+ afb_req_fail (request, "failed", "no more radio devices available");
+ return;
}
}
jresp = json_object_new_object();
@@ -177,10 +178,9 @@ STATIC void power (struct afb_req 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;
+ if (!releaseRadio (handle, ctx)) {
afb_req_fail (request, "failed", "Unable to release radio device");
- return;
+ return;
}
}
jresp = json_object_new_object();
@@ -192,10 +192,10 @@ STATIC void power (struct afb_req request) { /* AFB_SESSION_CHECK */
afb_req_success (request, jresp, "Radio - Power set");
}
-STATIC void mode (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void mode (struct afb_req request) { /* AFB_SESSION_CHECK */
- radioCtxHandleT *ctx = (radioCtxHandleT*)request.context;
- const char *value = afb_req_argument (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 */
@@ -222,10 +222,10 @@ STATIC void mode (struct afb_req request) { /* AFB_SESSION_CHECK */
afb_req_success (request, jresp, "Radio - Mode set");
}
-STATIC void freq (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void freq (struct afb_req request) { /* AFB_SESSION_CHECK */
- radioCtxHandleT *ctx = (radioCtxHandleT*)request.context;
- const char *value = afb_req_argument (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];
@@ -249,12 +249,11 @@ STATIC void freq (struct afb_req request) { /* AFB_SESSION_CHECK */
afb_req_success (request, jresp, "Radio - Frequency Set");
}
-STATIC void mute (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void mute (struct afb_req request) { /* AFB_SESSION_CHECK */
- radioCtxHandleT *ctx = (radioCtxHandleT*)request.context;
- const char *value = afb_req_argument (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) {
@@ -280,10 +279,10 @@ STATIC void mute (struct afb_req request) { /* AFB_SESSION_CHECK */
afb_req_success (request, jresp, "Radio - Mute set");
}
-STATIC void play (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void play (struct afb_req request) { /* AFB_SESSION_CHECK */
- radioCtxHandleT *ctx = (radioCtxHandleT*)request.context;
- const char *value = afb_req_argument (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 */
@@ -312,12 +311,12 @@ STATIC void play (struct afb_req request) { /* AFB_SESSION_CHECK */
afb_req_success (request, jresp, "Radio - Play succeeded");
}
-STATIC void ping (struct afb_req request) { /* AFB_SESSION_NONE */
+static void ping (struct afb_req request) { /* AFB_SESSION_NONE */
afb_req_success (request, NULL, "Radio - Ping succeeded");
}
-STATIC const struct AFB_restapi pluginApis[]= {
+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"},
@@ -328,11 +327,15 @@ STATIC const struct AFB_restapi pluginApis[]= {
{NULL}
};
-STATIC const struct AFB_plugin plug_desc = {
+static const struct AFB_plugin pluginDesc = {
.type = AFB_PLUGIN_JSON,
.info = "Application Framework Binder - Radio plugin",
.prefix = "radio",
- .apis = pluginApis,
- //plugin->freeCtxCB = (AFB_freeCtxCB)freeRadio;
- //the_radio = initRadioPlugin();
+ .apis = pluginApis
};
+
+const struct AFB_plugin *pluginRegister (const struct AFB_interface *itf)
+{
+ initRadioPlugin();
+ return &pluginDesc;
+}