From ede362db9ea82b85a531849c21582f1692bf0d4d Mon Sep 17 00:00:00 2001 From: José Bollo Date: Tue, 4 Apr 2017 14:52:40 +0200 Subject: Add synchronous subcalls MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Synchronous subcalls are more easy for writing simple applications with sequential logic. Change-Id: I76a0231a64a6db8270014cd2a64284e1b0fc16ec Signed-off-by: José Bollo --- include/afb/afb-req-itf.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'include/afb/afb-req-itf.h') diff --git a/include/afb/afb-req-itf.h b/include/afb/afb-req-itf.h index 6b6c8b70..8f8dc8a9 100644 --- a/include/afb/afb-req-itf.h +++ b/include/afb/afb-req-itf.h @@ -72,6 +72,7 @@ struct afb_req_itf { int (*unsubscribe)(void *closure, struct afb_event event); void (*subcall)(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure); + int (*subcallsync)(void *closure, const char *api, const char *verb, struct json_object *args, struct json_object **result); }; /* @@ -365,6 +366,19 @@ static inline void afb_req_subcall(struct afb_req req, const char *api, const ch req.itf->subcall(req.closure, api, verb, args, callback, closure); } +/* + * Makes a call to the method of name 'api' / 'verb' with the object 'args'. + * This call is made in the context of the request 'req'. + * This call is synchronous, it waits untill completion of the request. + * It returns 0 on an error answer and returns 1 when no error was detected. + * The object pointed by 'result' is filled and must be released by the caller + * after its use by calling 'json_object_put'. + */ +static inline int afb_req_subcall_sync(struct afb_req req, const char *api, const char *verb, struct json_object *args, struct json_object **result) +{ + return req.itf->subcallsync(req.closure, api, verb, args, result); +} + /* internal use */ static inline const char *afb_req_raw(struct afb_req req, size_t *size) { -- cgit 1.2.3-korg