Fix a memory leak
[src/app-framework-binder.git] / bindings / samples / HelloWorld.c
index cb4a5a4..c6fa779 100644 (file)
 #define _GNU_SOURCE
 #include <stdio.h>
 #include <string.h>
+#include <pthread.h>
+
 #include <json-c/json.h>
 
 #include <afb/afb-binding.h>
 
 const struct afb_binding_interface *interface;
+static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
 
 struct event
 {
@@ -165,7 +168,7 @@ static void subcallcb (void *prequest, int iserror, json_object *object)
        if (iserror)
                afb_req_fail(request, "failed", json_object_to_json_string(object));
        else
-               afb_req_success(request, object, NULL);
+               afb_req_success(request, json_object_get(object), NULL);
        afb_req_unref(request);
 }
 
@@ -178,8 +181,32 @@ static void subcall (struct afb_req request)
 
        if (object == NULL)
                afb_req_fail(request, "failed", "bad arguments");
-       else
+       else {
                afb_req_subcall(request, api, verb, object, subcallcb, afb_req_store(request));
+               json_object_put(object);
+       }
+}
+
+static void subcallsync (struct afb_req request)
+{
+       int rc;
+       const char *api = afb_req_value(request, "api");
+       const char *verb = afb_req_value(request, "verb");
+       const char *args = afb_req_value(request, "args");
+       json_object *result, *object = api && verb && args ? json_tokener_parse(args) : NULL;
+
+       if (object == NULL)
+               afb_req_fail(request, "failed", "bad arguments");
+       else {
+               rc = afb_req_subcall_sync(request, api, verb, object, &result);
+               if (rc) {
+                       afb_req_success(request, result, NULL);
+               } else {
+                       afb_req_fail(request, "failed", json_object_to_json_string(result));
+                       json_object_put(result);
+               }
+               json_object_put(object);
+       }
 }
 
 static void eventadd (struct afb_req request)
@@ -187,48 +214,56 @@ static void eventadd (struct afb_req request)
        const char *tag = afb_req_value(request, "tag");
        const char *name = afb_req_value(request, "name");
 
+       pthread_mutex_lock(&mutex);
        if (tag == NULL || name == NULL)
                afb_req_fail(request, "failed", "bad arguments");
        else if (0 != event_add(tag, name))
                afb_req_fail(request, "failed", "creation error");
        else
                afb_req_success(request, NULL, NULL);
+       pthread_mutex_unlock(&mutex);
 }
 
 static void eventdel (struct afb_req request)
 {
        const char *tag = afb_req_value(request, "tag");
 
+       pthread_mutex_lock(&mutex);
        if (tag == NULL)
                afb_req_fail(request, "failed", "bad arguments");
        else if (0 != event_del(tag))
                afb_req_fail(request, "failed", "deletion error");
        else
                afb_req_success(request, NULL, NULL);
+       pthread_mutex_unlock(&mutex);
 }
 
 static void eventsub (struct afb_req request)
 {
        const char *tag = afb_req_value(request, "tag");
 
+       pthread_mutex_lock(&mutex);
        if (tag == NULL)
                afb_req_fail(request, "failed", "bad arguments");
        else if (0 != event_subscribe(request, tag))
                afb_req_fail(request, "failed", "subscription error");
        else
                afb_req_success(request, NULL, NULL);
+       pthread_mutex_unlock(&mutex);
 }
 
 static void eventunsub (struct afb_req request)
 {
        const char *tag = afb_req_value(request, "tag");
 
+       pthread_mutex_lock(&mutex);
        if (tag == NULL)
                afb_req_fail(request, "failed", "bad arguments");
        else if (0 != event_unsubscribe(request, tag))
                afb_req_fail(request, "failed", "unsubscription error");
        else
                afb_req_success(request, NULL, NULL);
+       pthread_mutex_unlock(&mutex);
 }
 
 static void eventpush (struct afb_req request)
@@ -237,12 +272,15 @@ static void eventpush (struct afb_req request)
        const char *data = afb_req_value(request, "data");
        json_object *object = data ? json_tokener_parse(data) : NULL;
 
+       pthread_mutex_lock(&mutex);
        if (tag == NULL)
                afb_req_fail(request, "failed", "bad arguments");
        else if (0 > event_push(object, tag))
                afb_req_fail(request, "failed", "push error");
        else
                afb_req_success(request, NULL, NULL);
+       pthread_mutex_unlock(&mutex);
+       json_object_put(object);
 }
 
 static void exitnow (struct afb_req request)
@@ -260,6 +298,7 @@ static const struct afb_verb_desc_v1 verbs[]= {
   {"pingJson" , AFB_SESSION_NONE, pingJson    , "Return a JSON object"},
   {"pingevent", AFB_SESSION_NONE, pingEvent   , "Send an event"},
   {"subcall",   AFB_SESSION_NONE, subcall     , "Call api/verb(args)"},
+  {"subcallsync",   AFB_SESSION_NONE, subcallsync     , "Call api/verb(args)"},
   {"eventadd",  AFB_SESSION_NONE, eventadd    , "adds the event of 'name' for the 'tag'"},
   {"eventdel",  AFB_SESSION_NONE, eventdel    , "deletes the event of 'tag'"},
   {"eventsub",  AFB_SESSION_NONE, eventsub    , "subscribes to the event of 'tag'"},
@@ -281,5 +320,6 @@ static const struct afb_binding plugin_desc = {
 const struct afb_binding *afbBindingV1Register (const struct afb_binding_interface *itf)
 {
        interface = itf;
+       NOTICE(interface, "hello plugin comes to live");
        return &plugin_desc;
 }