/*
- * Copyright (C) 2016 "IoT.bzh"
+ * Copyright (C) 2016, 2017 "IoT.bzh"
* Author: José Bollo <jose.bollo@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
#include <afb/afb-req-itf.h>
#include <afb/afb-service-itf.h>
-#include "session.h"
+#include "afb-session.h"
#include "afb-context.h"
#include "afb-evt.h"
#include "afb-subcall.h"
#include "afb-svc.h"
+#include "afb-xreq.h"
+#include "afb-apis.h"
+#include "verbose.h"
/*
* Structure for recording service
struct afb_svc
{
/* session of the service */
- struct AFB_clientCtx *session;
+ struct afb_session *session;
/* event listener of the service or NULL */
struct afb_evt_listener *listener;
*/
struct svc_req
{
- /*
- * CAUTION: 'context' field should be the first because there
- * is an implicit convertion to struct afb_context
- */
- struct afb_context context;
+ struct afb_xreq xreq;
+
+ /* the args */
+ struct json_object *args;
+ void (*callback)(void*, int, struct json_object*);
+ void *closure;
/* the service */
struct afb_svc *svc;
-
- /* the count of references to the request */
- int refcount;
};
/* functions for services */
-static void svc_on_event(struct afb_svc *svc, const char *event, struct json_object *object);
-static void svc_call(struct afb_svc *svc, const char *api, const char *verb, struct json_object *args,
- void (*callback)(void*, int, struct json_object*), void *closure);
+static void svc_on_event(void *closure, const char *event, int eventid, struct json_object *object);
+static void svc_call(void *closure, const char *api, const char *verb, struct json_object *args,
+ void (*callback)(void*, int, struct json_object*), void *cbclosure);
/* the interface for services */
static const struct afb_service_itf service_itf = {
- .call = (void*)svc_call
+ .call = svc_call
+};
+
+/* the interface for events */
+static const struct afb_evt_itf evt_itf = {
+ .broadcast = svc_on_event,
+ .push = svc_on_event
};
/* functions for requests of services */
-static void svcreq_addref(struct svc_req *svcreq);
-static void svcreq_unref(struct svc_req *svcreq);
-static int svcreq_subscribe(struct svc_req *svcreq, struct afb_event event);
-static int svcreq_unsubscribe(struct svc_req *svcreq, struct afb_event event);
-static void svcreq_subcall(struct svc_req *svcreq, const char *api, const char *verb, struct json_object *args,
- void (*callback)(void*, int, struct json_object*), void *closure);
+static struct json_object *svcreq_json(void *closure);
+static void svcreq_destroy(void *closure);
+static void svcreq_reply(void *closure, int iserror, json_object *obj);
/* interface for requests of services */
-const struct afb_req_itf afb_svc_req_itf = {
- .addref = (void*)svcreq_addref,
- .unref = (void*)svcreq_unref,
- .context_get = (void*)afb_context_get,
- .context_set = (void*)afb_context_set,
- .session_close = (void*)afb_context_close,
- .session_set_LOA = (void*)afb_context_change_loa,
- .subscribe = (void*)svcreq_subscribe,
- .unsubscribe = (void*)svcreq_unsubscribe,
- .subcall = (void*)svcreq_subcall
+const struct afb_xreq_query_itf afb_svc_xreq_itf = {
+ .unref = svcreq_destroy,
+ .json = svcreq_json,
+ .reply = svcreq_reply
};
-/* the common session for services sahring their session */
-static struct AFB_clientCtx *common_session;
+/* the common session for services sharing their session */
+static struct afb_session *common_session;
/*
- * Creates a new service
+ * Allocates a new service
*/
-struct afb_svc *afb_svc_create(int share_session, int (*init)(struct afb_service service), void (*on_event)(const char *event, struct json_object *object))
+static struct afb_svc *afb_svc_alloc(int share_session, void (*on_event)(const char *event, struct json_object *object))
{
- int rc;
struct afb_svc *svc;
/* allocates the svc handler */
if (share_session) {
/* session shared with other svcs */
if (common_session == NULL) {
- common_session = ctxClientCreate (NULL, 0);
+ common_session = afb_session_create (NULL, 0);
if (common_session == NULL)
goto error2;
}
- svc->session = ctxClientAddRef(common_session);
+ svc->session = afb_session_addref(common_session);
} else {
/* session dedicated to the svc */
- svc->session = ctxClientCreate (NULL, 0);
+ svc->session = afb_session_create (NULL, 0);
if (svc->session == NULL)
goto error2;
}
/* initialises the listener if needed */
+ svc->on_event = on_event;
if (on_event == NULL)
svc->listener = NULL;
else {
- svc->listener = afb_evt_listener_create((void*)svc_on_event, svc);
+ svc->listener = afb_evt_listener_create(&evt_itf, svc);
if (svc->listener == NULL)
goto error3;
}
+ return svc;
+
+error3:
+ afb_session_unref(svc->session);
+error2:
+ free(svc);
+error:
+ return NULL;
+}
+
+/*
+ * Creates a new service
+ */
+struct afb_svc *afb_svc_create(int share_session, int (*init)(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(share_session, on_event);
+ if (svc == NULL)
+ goto error;
+
/* initialises the svc now */
rc = init((struct afb_service){ .itf = &service_itf, .closure = svc });
if (rc < 0)
- goto error4;
+ goto error2;
return svc;
-error4:
+error2:
if (svc->listener != NULL)
afb_evt_listener_unref(svc->listener);
-error3:
- ctxClientUnref(svc->session);
+ afb_session_unref(svc->session);
+ free(svc);
+error:
+ return NULL;
+}
+
+/*
+ * Creates a new service
+ */
+struct afb_svc *afb_svc_create_v2(
+ int share_session,
+ void (*on_event)(const char *event, struct json_object *object),
+ int (*start)(const struct afb_binding_interface *interface, struct afb_service service),
+ const struct afb_binding_interface *interface)
+{
+ int rc;
+ struct afb_svc *svc;
+
+ /* allocates the svc handler */
+ svc = afb_svc_alloc(share_session, on_event);
+ if (svc == NULL)
+ goto error;
+
+ /* initialises the svc now */
+ rc = start(interface, (struct afb_service){ .itf = &service_itf, .closure = svc });
+ if (rc < 0)
+ goto error2;
+
+ return svc;
+
error2:
+ if (svc->listener != NULL)
+ afb_evt_listener_unref(svc->listener);
+ afb_session_unref(svc->session);
free(svc);
error:
return NULL;
/*
* Propagates the event to the service
*/
-static void svc_on_event(struct afb_svc *svc, const char *event, struct json_object *object)
+static void svc_on_event(void *closure, const char *event, int eventid, struct json_object *object)
{
+ struct afb_svc *svc = closure;
svc->on_event(event, object);
+ json_object_put(object);
}
/*
* Initiates a call for the service
*/
-static void svc_call(struct afb_svc *svc, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *closure)
+static void svc_call(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cbclosure)
{
+ struct afb_svc *svc = closure;
struct svc_req *svcreq;
/* allocates the request */
- svcreq = malloc(sizeof *svcreq);
- if (svcreq == NULL)
- return afb_subcall_internal_error(callback, closure);
+ svcreq = calloc(1, sizeof *svcreq);
+ if (svcreq == NULL) {
+ ERROR("out of memory");
+ json_object_put(args);
+ return afb_subcall_internal_error(callback, cbclosure);
+ }
/* initialises the request */
- afb_context_init(&svcreq->context, svc->session, NULL);
- svcreq->context.validated = 1;
+ afb_context_init(&svcreq->xreq.context, svc->session, NULL);
+ svcreq->xreq.context.validated = 1;
+ svcreq->xreq.refcount = 1;
+ svcreq->xreq.query = svcreq;
+ svcreq->xreq.queryitf = &afb_svc_xreq_itf;
+ svcreq->xreq.api = api;
+ svcreq->xreq.verb = verb;
+ svcreq->xreq.listener = svc->listener;
+ svcreq->args = args;
+ svcreq->callback = callback;
+ svcreq->closure = cbclosure;
svcreq->svc = svc;
- svcreq->refcount = 1;
-
- /* makes the call */
- afb_subcall(&svcreq->context, api, verb, args, callback, closure, (struct afb_req){ .itf = &afb_svc_req_itf, .closure = svcreq });
/* terminates and frees ressources if needed */
- svcreq_unref(svcreq);
-}
-
-static void svcreq_addref(struct svc_req *svcreq)
-{
- svcreq->refcount++;
-}
-
-static void svcreq_unref(struct svc_req *svcreq)
-{
- if (0 == --svcreq->refcount) {
- afb_context_disconnect(&svcreq->context);
- free(svcreq);
- }
+ afb_apis_xcall(&svcreq->xreq);
+ afb_xreq_unref(&svcreq->xreq);
}
-static int svcreq_subscribe(struct svc_req *svcreq, struct afb_event event)
+static void svcreq_destroy(void *closure)
{
- if (svcreq->svc->listener == NULL)
- return -1;
- return afb_evt_add_watch(svcreq->svc->listener, event);
+ struct svc_req *svcreq = closure;
+ afb_context_disconnect(&svcreq->xreq.context);
+ json_object_put(svcreq->args);
+ free(svcreq);
}
-static int svcreq_unsubscribe(struct svc_req *svcreq, struct afb_event event)
+static struct json_object *svcreq_json(void *closure)
{
- if (svcreq->svc->listener == NULL)
- return -1;
- return afb_evt_remove_watch(svcreq->svc->listener, event);
+ struct svc_req *svcreq = closure;
+ return svcreq->args;
}
-static void svcreq_subcall(struct svc_req *svcreq, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *closure)
+static void svcreq_reply(void *closure, int iserror, json_object *obj)
{
- afb_subcall(&svcreq->context, api, verb, args, callback, closure, (struct afb_req){ .itf = &afb_svc_req_itf, .closure = svcreq });
+ struct svc_req *svcreq = closure;
+ svcreq->callback(svcreq->closure, iserror, obj);
+ json_object_put(obj);
}