Handles subcall sync within xreq
[src/app-framework-binder.git] / src / afb-subcall.c
index 8a8c77a..ef11407 100644 (file)
 #include "afb-xreq.h"
 #include "afb-cred.h"
 #include "verbose.h"
-#include "jobs.h"
-
-struct subcall;
-
-static void subcall_destroy(struct afb_xreq *xreq);
-static void subcall_reply(struct afb_xreq *xreq, int iserror, struct json_object *obj);
-static int subcall_subscribe(struct afb_xreq *xreq, struct afb_event event);
-static int subcall_unsubscribe(struct afb_xreq *xreq, struct afb_event event);
-
-const struct afb_xreq_query_itf afb_subcall_xreq_itf = {
-       .reply = subcall_reply,
-       .unref = subcall_destroy,
-       .subscribe = subcall_subscribe,
-       .unsubscribe = subcall_unsubscribe
-};
 
 struct subcall
 {
@@ -86,35 +71,12 @@ static int subcall_unsubscribe(struct afb_xreq *xreq, struct afb_event event)
        return afb_xreq_unsubscribe(subcall->caller, event);
 }
 
-static struct subcall *create_subcall(struct afb_xreq *caller, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *closure)
-{
-       struct subcall *subcall;
-       size_t lenapi, lenverb;
-       char *copy;
-
-       lenapi = 1 + strlen(api);
-       lenverb = 1 + strlen(verb);
-       subcall = malloc(lenapi + lenverb + sizeof *subcall);
-       if (subcall == NULL) {
-               return NULL;
-       }
-       afb_xreq_init(&subcall->xreq, &afb_subcall_xreq_itf);
-       afb_context_subinit(&subcall->xreq.context, &caller->context);
-       subcall->xreq.cred = afb_cred_addref(caller->cred);
-       subcall->xreq.json = args;
-       copy = (char*)&subcall[1];
-       memcpy(copy, api, lenapi);
-       subcall->xreq.api = copy;
-       copy = &copy[lenapi];
-       memcpy(copy, verb, lenverb);
-       subcall->xreq.verb = copy;
-       subcall->caller = caller;
-       subcall->callback = callback;
-       subcall->closure = closure;
-       afb_xreq_addref(caller);
-       json_object_get(args);
-       return subcall;
-}
+const struct afb_xreq_query_itf afb_subcall_xreq_itf = {
+       .reply = subcall_reply,
+       .unref = subcall_destroy,
+       .subscribe = subcall_subscribe,
+       .unsubscribe = subcall_unsubscribe
+};
 
 void afb_subcall(
                struct afb_xreq *caller,
@@ -126,86 +88,31 @@ void afb_subcall(
 )
 {
        struct subcall *subcall;
+       size_t lenapi, lenverb;
+       char *copy;
 
-       subcall = create_subcall(caller, api, verb, args, callback, closure);
-       if (subcall == NULL) {
+       lenapi = 1 + strlen(api);
+       lenverb = 1 + strlen(verb);
+       subcall = malloc(lenapi + lenverb + sizeof *subcall);
+       if (subcall == NULL)
                callback(closure, 1, afb_msg_json_internal_error());
-               return;
-       }
-
-       afb_xreq_process(&subcall->xreq, caller->apiset);
-}
-
-struct subcall_sync
-{
-       struct afb_xreq *caller;
-       const char *api;
-       const char *verb;
-       struct json_object *args;
-       struct jobloop *jobloop;
-       struct json_object *result;
-       int iserror;
-};
-
-static void subcall_sync_leave(struct subcall_sync *sync)
-{
-       struct jobloop *jobloop = sync->jobloop;
-       sync->jobloop = NULL;
-       if (jobloop)
-               jobs_leave(jobloop);
-}
-
-static void subcall_sync_reply(void *closure, int iserror, struct json_object *obj)
-{
-       struct subcall_sync *sync = closure;
-
-       sync->iserror = iserror;
-       sync->result = obj;
-       json_object_get(obj);
-       subcall_sync_leave(sync);
-}
-
-static void subcall_sync_enter(int signum, void *closure, struct jobloop *jobloop)
-{
-       struct subcall_sync *sync = closure;
-
-       if (!signum) {
-               sync->jobloop = jobloop;
-               afb_xreq_unhooked_subcall(sync->caller, sync->api, sync->verb, sync->args, subcall_sync_reply, sync);
-       } else {
-               sync->result = json_object_get(afb_msg_json_internal_error());
-               sync->iserror = 1;
-               subcall_sync_leave(sync);
-       }
-}
-
-int afb_subcall_sync(
-               struct afb_xreq *caller,
-               const char *api,
-               const char *verb,
-               struct json_object *args,
-               struct json_object **result
-)
-{
-       int rc;
-       struct subcall_sync sync;
-
-       sync.caller = caller;
-       sync.api = api;
-       sync.verb = verb;
-       sync.args = args;
-       sync.jobloop = NULL;
-       sync.result = NULL;
-       sync.iserror = 1;
-
-       rc = jobs_enter(NULL, 0, subcall_sync_enter, &sync);
-       if (rc < 0) {
-               sync.result = json_object_get(afb_msg_json_internal_error());
-               sync.iserror = 1;
+       else {
+               afb_xreq_init(&subcall->xreq, &afb_subcall_xreq_itf);
+               afb_context_subinit(&subcall->xreq.context, &caller->context);
+               subcall->xreq.cred = afb_cred_addref(caller->cred);
+               subcall->xreq.json = args;
+               copy = (char*)&subcall[1];
+               memcpy(copy, api, lenapi);
+               subcall->xreq.api = copy;
+               copy = &copy[lenapi];
+               memcpy(copy, verb, lenverb);
+               subcall->xreq.verb = copy;
+               subcall->caller = caller;
+               subcall->callback = callback;
+               subcall->closure = closure;
+               afb_xreq_addref(caller);
+               json_object_get(args); /* keep args existing */
+               afb_xreq_process(&subcall->xreq, caller->apiset);
        }
-       rc = !sync.iserror;
-       *result = sync.result;
-       return rc;
 }
 
-