X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fafb-svc.c;h=212ecfa3d157406d4318f53370451a7e50a98dfc;hb=550b36945f2e9eae1fc4b822ea9a00a2a866eb83;hp=fad13286dc9328a72a35949f555e41b2ad7541db;hpb=4db507f7d53a09cf3f572dedcc304f334970ce06;p=src%2Fapp-framework-binder.git

diff --git a/src/afb-svc.c b/src/afb-svc.c
index fad13286..212ecfa3 100644
--- a/src/afb-svc.c
+++ b/src/afb-svc.c
@@ -34,29 +34,12 @@
 #include "afb-xreq.h"
 #include "afb-cred.h"
 #include "afb-apiset.h"
+#include "afb-hook.h"
 #include "jobs.h"
 #include "verbose.h"
 
-/*
- * Structure for recording service
- */
-struct afb_svc
-{
-	/* api/prefix */
-	const char *api;
-
-	/* session of the service */
-	struct afb_session *session;
-
-	/* the apiset for the service */
-	struct afb_apiset *apiset;
 
-	/* event listener of the service or NULL */
-	struct afb_evt_listener *listener;
-
-	/* on event callback for the service */
-	void (*on_event)(const char *event, struct json_object *object);
-};
+#define HOOK(x,...) if((svc)->hookflags & afb_hook_flag_svc_##x) afb_hook_svc_##x(__VA_ARGS__)
 
 /*
  * Structure for requests initiated by the service
@@ -74,7 +57,8 @@ struct svc_req
 	/* sync */
 	struct jobloop *jobloop;
 	struct json_object *result;
-	int iserror;
+	int status;
+	int async;
 };
 
 /* functions for services */
@@ -98,7 +82,7 @@ static const struct afb_evt_itf evt_itf = {
 
 /* functions for requests of services */
 static void svcreq_destroy(struct afb_xreq *xreq);
-static void svcreq_reply(struct afb_xreq *xreq, int iserror, json_object *obj);
+static void svcreq_reply(struct afb_xreq *xreq, int status, json_object *obj);
 
 /* interface for requests of services */
 const struct afb_xreq_query_itf afb_svc_xreq_itf = {
@@ -117,23 +101,29 @@ static inline struct afb_service to_afb_service(struct afb_svc *svc)
 /*
  * Frees a service
  */
-static void svc_free(struct afb_svc *svc)
+void afb_svc_destroy(struct afb_svc *svc, struct afb_service *service)
 {
-	if (svc->listener != NULL)
-		afb_evt_listener_unref(svc->listener);
-	if (svc->session)
-		afb_session_unref(svc->session);
-	afb_apiset_unref(svc->apiset);
-	free(svc);
+	if (service)
+		*service = (struct afb_service){ .itf = NULL, .closure = NULL };
+	if (svc) {
+		if (svc->listener != NULL)
+			afb_evt_listener_unref(svc->listener);
+		if (svc->session)
+			afb_session_unref(svc->session);
+		afb_apiset_unref(svc->apiset);
+		free(svc);
+	}
 }
 
 /*
- * Allocates a new service
+ * Creates a new service
  */
-static struct afb_svc *afb_svc_alloc(
+struct afb_svc *afb_svc_create(
 			const char *api,
 			struct afb_apiset *apiset,
-			int share_session
+			int share_session,
+			void (*on_event)(const char *event, struct json_object *object),
+			struct afb_service *service
 )
 {
 	struct afb_svc *svc;
@@ -165,31 +155,9 @@ static struct afb_svc *afb_svc_alloc(
 			goto error;
 	}
 
-	return svc;
-
-error:
-	svc_free(svc);
-	return NULL;
-}
-
-/*
- * Creates a new service
- */
-struct afb_svc *afb_svc_create_v1(
-			const char *api,
-			struct afb_apiset *apiset,
-			int share_session,
-			int (*start)(struct afb_service service),
-			void (*on_event)(const char *event, struct json_object *object)
-)
-{
-	int rc;
-	struct afb_svc *svc;
-
-	/* allocates the svc handler */
-	svc = afb_svc_alloc(api, apiset, share_session);
-	if (svc == NULL)
-		goto error;
+	svc->hookflags = afb_hook_flags_svc(svc->api);
+	if (service)
+		*service = to_afb_service(svc);
 
 	/* initialises the listener if needed */
 	if (on_event) {
@@ -199,61 +167,45 @@ struct afb_svc *afb_svc_create_v1(
 			goto error;
 	}
 
-	/* initialises the svc now */
-	if (start) {
-		rc = start(to_afb_service(svc));
-		if (rc < 0)
-			goto error;
-	}
-
 	return svc;
 
 error:
-	svc_free(svc);
+	afb_svc_destroy(svc, service);
 	return NULL;
 }
 
 /*
- * Creates a new service
+ * Starts a new service (v1)
  */
-struct afb_svc *afb_svc_create_v2(
-			const char *api,
-			struct afb_apiset *apiset,
-			int share_session,
-			int (*start)(),
-			void (*on_event)(const char *event, struct json_object *object),
-			struct afb_binding_data_v2 *data
-)
+int afb_svc_start_v1(struct afb_svc *svc, int (*start)(struct afb_service))
 {
 	int rc;
-	struct afb_svc *svc;
 
-	/* allocates the svc handler */
-	svc = afb_svc_alloc(api, apiset, share_session);
-	if (svc == NULL)
-		goto error;
-	data->service = to_afb_service(svc);
-
-	/* initialises the listener if needed */
-	if (on_event) {
-		svc->on_event = on_event;
-		svc->listener = afb_evt_listener_create(&evt_itf, svc);
-		if (svc->listener == NULL)
-			goto error;
-	}
+	HOOK(start_before, svc);
+	rc = start(to_afb_service(svc));
+	HOOK(start_after, svc, rc);
+	return rc;
+}
 
-	/* starts the svc if needed */
-	if (start) {
-		rc = start();
-		if (rc < 0)
-			goto error;
-	}
+/*
+ * Starts a new service (v2)
+ */
+int afb_svc_start_v2(struct afb_svc *svc, int (*start)())
+{
+	int rc;
 
-	return svc;
+	HOOK(start_before, svc);
+	rc = start();
+	HOOK(start_after, svc, rc);
+	return rc;
+}
 
-error:
-	svc_free(svc);
-	return NULL;
+/*
+ * Request to updates the hooks
+ */
+void afb_svc_update_hook(struct afb_svc *svc)
+{
+	svc->hookflags = afb_hook_flags_svc(svc->api);
 }
 
 /*
@@ -262,7 +214,10 @@ error:
 static void svc_on_event(void *closure, const char *event, int eventid, struct json_object *object)
 {
 	struct afb_svc *svc = closure;
+
+	HOOK(on_event_before, svc, event, eventid, object);
 	svc->on_event(event, object);
+	HOOK(on_event_after, svc, event, eventid, object);
 	json_object_put(object);
 }
 
@@ -320,14 +275,17 @@ static void svcreq_sync_leave(struct svc_req *svcreq)
 	}
 }
 
-static void svcreq_reply(struct afb_xreq *xreq, int iserror, json_object *obj)
+static void svcreq_reply(struct afb_xreq *xreq, int status, json_object *obj)
 {
 	struct svc_req *svcreq = CONTAINER_OF_XREQ(struct svc_req, xreq);
-	if (svcreq->callback) {
-		svcreq->callback(svcreq->closure, iserror, obj);
+	if (svcreq->async) {
+		struct afb_svc *svc = svcreq->svc;
+		if (svcreq->callback)
+			svcreq->callback(svcreq->closure, status, obj);
+		HOOK(call_result, svc, status, obj);
 		json_object_put(obj);
 	} else {
-		svcreq->iserror = iserror;
+		svcreq->status = status;
 		svcreq->result = obj;
 		svcreq_sync_leave(svcreq);
 	}
@@ -342,7 +300,7 @@ static void svcreq_sync_enter(int signum, void *closure, struct jobloop *jobloop
 		afb_xreq_process(&svcreq->xreq, svcreq->svc->apiset);
 	} else {
 		svcreq->result = afb_msg_json_internal_error();
-		svcreq->iserror = 1;
+		svcreq->status = -1;
 		svcreq_sync_leave(svcreq);
 	}
 }
@@ -356,13 +314,17 @@ static void svc_call(void *closure, const char *api, const char *verb, struct js
 	struct svc_req *svcreq;
 	struct json_object *ierr;
 
+	HOOK(call, svc, api, verb, args);
+
 	/* allocates the request */
 	svcreq = svcreq_create(svc, api, verb, args);
 	if (svcreq == NULL) {
 		ERROR("out of memory");
 		json_object_put(args);
 		ierr = afb_msg_json_internal_error();
-		callback(cbclosure, 1, ierr);
+		if (callback)
+			callback(cbclosure, -1, ierr);
+		HOOK(call_result, svc, -1, ierr);
 		json_object_put(ierr);
 		return;
 	}
@@ -371,6 +333,7 @@ static void svc_call(void *closure, const char *api, const char *verb, struct js
 	svcreq->jobloop = NULL;
 	svcreq->callback = callback;
 	svcreq->closure = cbclosure;
+	svcreq->async = 1;
 
 	/* terminates and frees ressources if needed */
 	afb_xreq_process(&svcreq->xreq, svc->apiset);
@@ -381,28 +344,38 @@ static int svc_call_sync(void *closure, const char *api, const char *verb, struc
 {
 	struct afb_svc *svc = closure;
 	struct svc_req *svcreq;
+	struct json_object *resu;
 	int rc;
 
+	HOOK(callsync, svc, api, verb, args);
+
 	/* allocates the request */
 	svcreq = svcreq_create(svc, api, verb, args);
 	if (svcreq == NULL) {
 		ERROR("out of memory");
 		errno = ENOMEM;
 		json_object_put(args);
-		*result = afb_msg_json_internal_error();
-		return -1;
+		resu = afb_msg_json_internal_error();
+		rc = -1;
+	} else {
+		/* initialises the request */
+		svcreq->jobloop = NULL;
+		svcreq->callback = NULL;
+		svcreq->result = NULL;
+		svcreq->status = 0;
+		svcreq->async = 0;
+		afb_xreq_addref(&svcreq->xreq);
+		rc = jobs_enter(NULL, 0, svcreq_sync_enter, svcreq);
+		if (rc >= 0)
+			rc = svcreq->status;
+		resu = (rc >= 0 || svcreq->result) ? svcreq->result : afb_msg_json_internal_error();
+		afb_xreq_unref(&svcreq->xreq);
 	}
-
-	/* initialises the request */
-	svcreq->jobloop = NULL;
-	svcreq->callback = NULL;
-	svcreq->result = NULL;
-	svcreq->iserror = 1;
-	afb_xreq_addref(&svcreq->xreq);
-	rc = jobs_enter(NULL, 0, svcreq_sync_enter, svcreq);
-	rc = rc >= 0 && !svcreq->iserror;
-	*result = (rc || svcreq->result) ? svcreq->result : afb_msg_json_internal_error();
-	afb_xreq_unref(&svcreq->xreq);
+	HOOK(callsync_result, svc, rc, resu);
+	if (result)
+		*result = resu;
+	else
+		json_object_put(resu);
 	return rc;
 }