afb_xreq_fail(xreq, "error", "no reply");
if (xreq->hookflags)
afb_hook_xreq_end(xreq);
+ if (xreq->caller)
+ xreq_unref(xreq->caller);
xreq->queryitf->unref(xreq);
}
}
struct subcall
{
struct afb_xreq xreq;
- struct afb_xreq *caller;
- void (*callback)(void*, int, struct json_object*);
- void *closure;
+
+ void (*completion)(struct subcall*, int, struct json_object*);
+
union {
struct {
struct jobloop *jobloop;
void (*callback2)(void*, int, struct json_object*, struct afb_req);
};
void *closure;
- } hooked;
+ };
};
};
-static int subcall_subscribe(struct afb_xreq *xreq, struct afb_event event)
+static int subcall_subscribe_cb(struct afb_xreq *xreq, struct afb_event event)
{
struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq);
- return afb_xreq_subscribe(subcall->caller, event);
+ return afb_xreq_subscribe(subcall->xreq.caller, event);
}
-static int subcall_unsubscribe(struct afb_xreq *xreq, struct afb_event event)
+static int subcall_unsubscribe_cb(struct afb_xreq *xreq, struct afb_event event)
{
struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq);
- return afb_xreq_unsubscribe(subcall->caller, event);
+ return afb_xreq_unsubscribe(subcall->xreq.caller, event);
}
-static void subcall_reply(struct afb_xreq *xreq, int status, struct json_object *obj)
+static void subcall_reply_cb(struct afb_xreq *xreq, int status, struct json_object *result)
{
struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq);
- if (subcall->callback)
- subcall->callback(subcall->closure, status, obj);
- json_object_put(obj);
+ subcall->completion(subcall, status, result);
+ json_object_put(result);
+ afb_xreq_unref(&subcall->xreq);
}
-static void subcall_destroy(struct afb_xreq *xreq)
+static void subcall_destroy_cb(struct afb_xreq *xreq)
{
struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq);
json_object_put(subcall->xreq.json);
afb_cred_unref(subcall->xreq.cred);
- xreq_unref(subcall->caller);
free(subcall);
}
const struct afb_xreq_query_itf afb_xreq_subcall_itf = {
- .reply = subcall_reply,
- .unref = subcall_destroy,
- .subscribe = subcall_subscribe,
- .unsubscribe = subcall_unsubscribe
+ .reply = subcall_reply_cb,
+ .unref = subcall_destroy_cb,
+ .subscribe = subcall_subscribe_cb,
+ .unsubscribe = subcall_unsubscribe_cb
};
static struct subcall *subcall_alloc(
subcall->xreq.json = args;
subcall->xreq.api = api;
subcall->xreq.verb = verb;
- subcall->caller = caller;
+ subcall->xreq.caller = caller;
xreq_addref(caller);
}
return subcall;
}
-static void subcall_process(struct subcall *subcall)
+
+static void subcall_on_reply(struct subcall *subcall, int status, struct json_object *result)
+{
+ subcall->callback(subcall->closure, status, result);
+}
+
+static void subcall_req_on_reply(struct subcall *subcall, int status, struct json_object *result)
+{
+ subcall->callback2(subcall->closure, status, result, to_req(subcall->xreq.caller));
+}
+
+static void subcall_hooked_on_reply(struct subcall *subcall, int status, struct json_object *result)
{
- if (subcall->caller->queryitf->subcall) {
- subcall->caller->queryitf->subcall(
- subcall->caller, subcall->xreq.api, subcall->xreq.verb,
- subcall->xreq.json, subcall->callback, subcall->closure);
- xreq_unref(&subcall->xreq);
- } else
- afb_xreq_process(&subcall->xreq, subcall->caller->apiset);
+ afb_hook_xreq_subcall_result(subcall->xreq.caller, status, result);
+ subcall_on_reply(subcall, status, result);
+}
+
+static void subcall_req_hooked_on_reply(struct subcall *subcall, int status, struct json_object *result)
+{
+ afb_hook_xreq_subcall_req_result(subcall->xreq.caller, status, result);
+ subcall_req_on_reply(subcall, status, result);
+}
+
+static void subcall_reply_direct_cb(void *closure, int status, struct json_object *result)
+{
+ struct afb_xreq *xreq = closure;
+
+ if (xreq->replied) {
+ ERROR("subcall replied more than one time!!");
+ json_object_put(result);
+ } else {
+ xreq->replied = 1;
+ subcall_reply_cb(xreq, status, result);
+ }
+}
+
+static void subcall_process(struct subcall *subcall, void (*completion)(struct subcall*, int, struct json_object*))
+{
+ subcall->completion = completion;
+ if (subcall->xreq.caller->queryitf->subcall) {
+ subcall->xreq.caller->queryitf->subcall(
+ subcall->xreq.caller, subcall->xreq.api, subcall->xreq.verb,
+ subcall->xreq.json, subcall_reply_direct_cb, &subcall->xreq);
+ } else {
+ afb_xreq_addref(&subcall->xreq);
+ afb_xreq_process(&subcall->xreq, subcall->xreq.caller->apiset);
+ }
+}
+
+static void subcall(struct subcall *subcall, void (*callback)(void*, int, struct json_object*), void *cb_closure)
+{
+ subcall->callback = callback;
+ subcall->closure = cb_closure;
+ subcall_process(subcall, subcall_on_reply);
+}
+
+static void subcall_req(struct subcall *subcall, void (*callback)(void*, int, struct json_object*, struct afb_req), void *cb_closure)
+{
+ subcall->callback2 = callback;
+ subcall->closure = cb_closure;
+ subcall_process(subcall, subcall_req_on_reply);
+}
+
+static void subcall_hooked(struct subcall *subcall, void (*callback)(void*, int, struct json_object*), void *cb_closure)
+{
+ subcall->callback = callback;
+ subcall->closure = cb_closure;
+ subcall_process(subcall, subcall_hooked_on_reply);
+}
+
+static void subcall_req_hooked(struct subcall *subcall, void (*callback)(void*, int, struct json_object*, struct afb_req), void *cb_closure)
+{
+ subcall->callback2 = callback;
+ subcall->closure = cb_closure;
+ subcall_process(subcall, subcall_req_hooked_on_reply);
}
static void subcall_sync_leave(struct subcall *subcall)
jobs_leave(jobloop);
}
-static void subcall_sync_reply(void *closure, int status, struct json_object *obj)
+static void subcall_sync_reply(struct subcall *subcall, int status, struct json_object *result)
{
- struct subcall *subcall = closure;
-
subcall->status = status;
- subcall->result = json_object_get(obj);
+ subcall->result = json_object_get(result);
subcall_sync_leave(subcall);
}
if (!signum) {
subcall->jobloop = jobloop;
- subcall_process(subcall);
+ subcall->result = NULL;
+ subcall->status = 0;
+ subcall_process(subcall, subcall_sync_reply);
} else {
subcall->status = -1;
subcall_sync_leave(subcall);
}
}
+static int subcallsync(struct subcall *subcall, struct json_object **result)
+{
+ int rc;
+
+ afb_xreq_addref(&subcall->xreq);
+ rc = jobs_enter(NULL, 0, subcall_sync_enter, subcall);
+ *result = subcall->result;
+ if (rc < 0 || subcall->status < 0) {
+ *result = *result ?: afb_msg_json_internal_error();
+ rc = -1;
+ }
+ afb_xreq_unref(&subcall->xreq);
+ return rc;
+}
+
/******************************************************************************/
static void vinfo(void *first, void *second, const char *fmt, va_list args, void (*fun)(void*,void*,const char*))
static void xreq_subcall_cb(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure)
{
struct afb_xreq *xreq = closure;
- struct subcall *subcall;
+ struct subcall *sc;
- subcall = subcall_alloc(xreq, api, verb, args);
- if (subcall == NULL) {
+ sc = subcall_alloc(xreq, api, verb, args);
+ if (sc == NULL) {
if (callback)
callback(cb_closure, 1, afb_msg_json_internal_error());
json_object_put(args);
} else {
- subcall->callback = callback;
- subcall->closure = cb_closure;
- subcall_process(subcall);
+ subcall(sc, callback, cb_closure);
}
}
-static void xreq_subcall_req_reply_cb(void *closure, int status, struct json_object *result)
-{
- struct subcall *subcall = closure;
- subcall->hooked.callback2(subcall->hooked.closure, status, result, to_req(subcall->caller));
-}
-
static void xreq_subcall_req_cb(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*, struct afb_req), void *cb_closure)
{
struct afb_xreq *xreq = closure;
- struct subcall *subcall;
+ struct subcall *sc;
- subcall = subcall_alloc(xreq, api, verb, args);
- if (subcall == NULL) {
+ sc = subcall_alloc(xreq, api, verb, args);
+ if (sc == NULL) {
if (callback)
callback(cb_closure, 1, afb_msg_json_internal_error(), to_req(xreq));
json_object_put(args);
} else {
- subcall->callback = xreq_subcall_req_reply_cb;
- subcall->closure = subcall;
- subcall->hooked.callback2 = callback;
- subcall->hooked.closure = cb_closure;
- subcall_process(subcall);
+ subcall_req(sc, callback, cb_closure);
}
}
static int xreq_subcallsync_cb(void *closure, const char *api, const char *verb, struct json_object *args, struct json_object **result)
{
int rc;
- struct subcall *subcall;
+ struct subcall *sc;
struct afb_xreq *xreq = closure;
struct json_object *resu;
- subcall = subcall_alloc(xreq, api, verb, args);
- if (!subcall) {
+ sc = subcall_alloc(xreq, api, verb, args);
+ if (!sc) {
rc = -1;
resu = afb_msg_json_internal_error();
json_object_put(args);
} else {
- subcall->callback = subcall_sync_reply;
- subcall->closure = subcall;
- subcall->jobloop = NULL;
- subcall->result = NULL;
- subcall->status = 0;
- rc = jobs_enter(NULL, 0, subcall_sync_enter, subcall);
- resu = subcall->result;
- if (rc < 0 || subcall->status < 0) {
- resu = resu ?: afb_msg_json_internal_error();
- rc = -1;
- }
+ rc = subcallsync(sc, &resu);
}
if (result)
*result = resu;
return afb_auth_has_permission(xreq, permission);
}
+static char *xreq_get_application_id_cb(void*closure)
+{
+ struct afb_xreq *xreq = closure;
+ return xreq->cred && xreq->cred->id ? strdup(xreq->cred->id) : NULL;
+}
+
/******************************************************************************/
static struct json_object *xreq_hooked_json_cb(void *closure)
return afb_hook_xreq_unsubscribe(xreq, event, r);
}
-static void xreq_hooked_subcall_reply_cb(void *closure, int status, struct json_object *result)
-{
- struct subcall *subcall = closure;
-
- afb_hook_xreq_subcall_result(subcall->caller, status, result);
- subcall->hooked.callback(subcall->hooked.closure, status, result);
-}
-
static void xreq_hooked_subcall_cb(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure)
{
struct afb_xreq *xreq = closure;
- struct subcall *subcall;
+ struct subcall *sc;
afb_hook_xreq_subcall(xreq, api, verb, args);
- subcall = subcall_alloc(xreq, api, verb, args);
- if (subcall == NULL) {
+ sc = subcall_alloc(xreq, api, verb, args);
+ if (sc == NULL) {
if (callback)
callback(cb_closure, 1, afb_msg_json_internal_error());
json_object_put(args);
} else {
- subcall->callback = xreq_hooked_subcall_reply_cb;
- subcall->closure = subcall;
- subcall->hooked.callback = callback;
- subcall->hooked.closure = cb_closure;
- subcall_process(subcall);
+ subcall_hooked(sc, callback, cb_closure);
}
}
-static void xreq_hooked_subcall_req_reply_cb(void *closure, int status, struct json_object *result)
-{
- struct subcall *subcall = closure;
-
- afb_hook_xreq_subcall_req_result(subcall->caller, status, result);
- subcall->hooked.callback2(subcall->hooked.closure, status, result, to_req(subcall->caller));
-}
-
static void xreq_hooked_subcall_req_cb(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*, struct afb_req), void *cb_closure)
{
struct afb_xreq *xreq = closure;
- struct subcall *subcall;
+ struct subcall *sc;
afb_hook_xreq_subcall_req(xreq, api, verb, args);
- subcall = subcall_alloc(xreq, api, verb, args);
- if (subcall == NULL) {
+ sc = subcall_alloc(xreq, api, verb, args);
+ if (sc == NULL) {
if (callback)
callback(cb_closure, 1, afb_msg_json_internal_error(), to_req(xreq));
json_object_put(args);
} else {
- subcall->callback = xreq_hooked_subcall_req_reply_cb;
- subcall->closure = subcall;
- subcall->hooked.callback2 = callback;
- subcall->hooked.closure = cb_closure;
- subcall_process(subcall);
+ subcall_req_hooked(sc, callback, cb_closure);
}
}
return afb_hook_xreq_has_permission(xreq, permission, r);
}
+static char *xreq_hooked_get_application_id_cb(void*closure)
+{
+ struct afb_xreq *xreq = closure;
+ char *r = xreq_get_application_id_cb(closure);
+ return afb_hook_xreq_get_application_id(xreq, r);
+}
+
/******************************************************************************/
const struct afb_req_itf xreq_itf = {
.vverbose = xreq_vverbose_cb,
.store = xreq_store_cb,
.subcall_req = xreq_subcall_req_cb,
- .has_permission = xreq_has_permission_cb
+ .has_permission = xreq_has_permission_cb,
+ .get_application_id = xreq_get_application_id_cb
};
const struct afb_req_itf xreq_hooked_itf = {
.vverbose = xreq_hooked_vverbose_cb,
.store = xreq_hooked_store_cb,
.subcall_req = xreq_hooked_subcall_req_cb,
- .has_permission = xreq_hooked_has_permission_cb
+ .has_permission = xreq_hooked_has_permission_cb,
+ .get_application_id = xreq_hooked_get_application_id_cb
};
/******************************************************************************/
void afb_xreq_process(struct afb_xreq *xreq, struct afb_apiset *apiset)
{
+ const void *jobkey;
const struct afb_api *api;
+ struct afb_xreq *caller;
xreq->apiset = apiset;
api = afb_apiset_lookup_started(apiset, xreq->api, 1);
- xreq->context.api_key = (void*)api;
+ xreq->context.api_key = api;
+ if (!api || !api->noconcurrency)
+ jobkey = NULL;
+ else {
+ caller = xreq->caller;
+ while (caller) {
+ if (caller->context.api_key == api) {
+ /* noconcurrency lock detected */
+ ERROR("self-lock detected in call stack for API %s", xreq->api);
+ afb_xreq_fail_f(xreq, "cancelled", "recursive self lock, API %s", xreq->api);
+ goto end;
+ }
+ caller = caller->caller;
+ }
+ jobkey = api;
+ }
xreq_addref(xreq);
- if (jobs_queue(api && api->noconcurrency ? (void*)api : NULL, afb_apiset_timeout_get(apiset), process_async, xreq) < 0) {
+ if (jobs_queue(jobkey, afb_apiset_timeout_get(apiset), process_async, xreq) < 0) {
/* TODO: allows or not to proccess it directly as when no threading? (see above) */
ERROR("can't process job with threads: %m");
afb_xreq_fail_f(xreq, "cancelled", "not able to create a job for the task");
xreq_unref(xreq);
}
+end:
xreq_unref(xreq);
}
Code Review / src / app-framework-binder.git / blobdiff