Introduce apiset for grouping apis

[src/app-framework-binder.git] / src / afb-subcall.c

diff --git a/src/afb-subcall.c b/src/afb-subcall.c
index 81361a0..8a8c77a 100644 (file)
--- a/src/afb-subcall.c
+++ b/src/afb-subcall.c
@@ -25,17 +25,19 @@
 
 #include "afb-subcall.h"
 #include "afb-msg-json.h"
-#include "afb-apis.h"
+#include "afb-apiset.h"
 #include "afb-context.h"
 #include "afb-xreq.h"
+#include "afb-cred.h"
 #include "verbose.h"
+#include "jobs.h"
 
 struct subcall;
 
-static void subcall_destroy(void *closure);
-static void subcall_reply(void *closure, int iserror, struct json_object *obj);
-static int subcall_subscribe(void *closure, struct afb_event event);
-static int subcall_unsubscribe(void *closure, struct afb_event event);
+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,
@@ -52,67 +54,65 @@ struct subcall
        void *closure;
 };
 
-static void subcall_destroy(void *closure)
+static void subcall_destroy(struct afb_xreq *xreq)
 {
-       struct subcall *subcall = closure;
+       struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq);
 
        json_object_put(subcall->xreq.json);
+       afb_cred_unref(subcall->xreq.cred);
        afb_xreq_unref(subcall->caller);
        free(subcall);
 }
 
-static void subcall_reply(void *closure, int iserror, struct json_object *obj)
+static void subcall_reply(struct afb_xreq *xreq, int iserror, struct json_object *obj)
 {
-       struct subcall *subcall = closure;
+       struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq);
 
        subcall->callback(subcall->closure, iserror, obj);
        json_object_put(obj);
 }
 
-static int subcall_subscribe(void *closure, struct afb_event event)
+static int subcall_subscribe(struct afb_xreq *xreq, struct afb_event event)
 {
-       struct subcall *subcall = closure;
+       struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq);
 
        return afb_xreq_subscribe(subcall->caller, event);
 }
 
-static int subcall_unsubscribe(void *closure, struct afb_event event)
+static int subcall_unsubscribe(struct afb_xreq *xreq, struct afb_event event)
 {
-       struct subcall *subcall = closure;
+       struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq);
 
        return afb_xreq_unsubscribe(subcall->caller, event);
 }
 
-void afb_subcall_internal_error(void (*callback)(void*, int, struct json_object*), void *closure)
-{
-       static struct json_object *obj;
-
-       if (obj == NULL)
-               obj = afb_msg_json_reply_error("failed", "internal error", NULL, NULL);
-
-       callback(closure, 1, obj);
-}
-
 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;
 
-       subcall = calloc(1, sizeof *subcall);
+       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.refcount = 1;
+       subcall->xreq.cred = afb_cred_addref(caller->cred);
        subcall->xreq.json = args;
-       subcall->xreq.api = api; /* TODO: alloc ? */
-       subcall->xreq.verb = verb; /* TODO: alloc ? */
-       subcall->xreq.query = subcall;
-       subcall->xreq.queryitf = &afb_subcall_xreq_itf;
+       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;
 }
 
@@ -129,13 +129,83 @@ void afb_subcall(
 
        subcall = create_subcall(caller, api, verb, args, callback, closure);
        if (subcall == NULL) {
-               afb_subcall_internal_error(callback, closure);
+               callback(closure, 1, afb_msg_json_internal_error());
                return;
        }
 
-       afb_xreq_addref(caller);
-       afb_apis_call(&subcall->xreq);
-       afb_xreq_unref(&subcall->xreq);
+       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;
+       }
+       rc = !sync.iserror;
+       *result = sync.result;
+       return rc;
 }