#include <json-c/json.h>
+#include <afb/afb-req-itf.h>
+
#include "afb-wsj1.h"
#include "afb-ws-json1.h"
#include "afb-msg-json.h"
#include "session.h"
-#include <afb/afb-req-itf.h>
#include "afb-apis.h"
#include "afb-context.h"
+#include "afb-evt.h"
+#include "afb-subcall.h"
#include "verbose.h"
+/* predeclaration of structures */
+struct afb_ws_json1;
+struct afb_wsreq;
+
+/* predeclaration of websocket callbacks */
static void aws_on_hangup(struct afb_ws_json1 *ws, struct afb_wsj1 *wsj1);
static void aws_on_call(struct afb_ws_json1 *ws, const char *api, const char *verb, struct afb_wsj1_msg *msg);
+static void aws_on_event(struct afb_ws_json1 *ws, const char *event, struct json_object *object);
-static struct afb_wsj1_itf wsj1_itf = {
- .on_hangup = (void*)aws_on_hangup,
- .on_call = (void*)aws_on_call
-};
-
-struct afb_wsreq;
+/* predeclaration of wsreq callbacks */
+static void wsreq_addref(struct afb_wsreq *wsreq);
+static void wsreq_unref(struct afb_wsreq *wsreq);
+static struct json_object *wsreq_json(struct afb_wsreq *wsreq);
+static struct afb_arg wsreq_get(struct afb_wsreq *wsreq, const char *name);
+static void wsreq_fail(struct afb_wsreq *wsreq, const char *status, const char *info);
+static void wsreq_success(struct afb_wsreq *wsreq, struct json_object *obj, const char *info);
+static const char *wsreq_raw(struct afb_wsreq *wsreq, size_t *size);
+static void wsreq_send(struct afb_wsreq *wsreq, const char *buffer, size_t size);
+static int wsreq_subscribe(struct afb_wsreq *wsreq, struct afb_event event);
+static int wsreq_unsubscribe(struct afb_wsreq *wsreq, struct afb_event event);
+static void wsreq_subcall(struct afb_wsreq *wsreq, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *closure);
+/* declaration of websocket structure */
struct afb_ws_json1
{
int refcount;
void (*cleanup)(void*);
void *cleanup_closure;
struct AFB_clientCtx *session;
+ struct afb_evt_listener *listener;
struct afb_wsj1 *wsj1;
int new_session;
};
-static void aws_send_event(struct afb_ws_json1 *ws, const char *event, struct json_object *object);
+/* declaration of wsreq structure */
+struct afb_wsreq
+{
+ /*
+ * CAUTION: 'context' field should be the first because there
+ * is an implicit convertion to struct afb_context
+ */
+ struct afb_context context;
+ int refcount;
+ struct afb_ws_json1 *aws;
+ struct afb_wsreq *next;
+ struct afb_wsj1_msg *msgj1;
+};
-static const struct afb_event_listener_itf event_listener_itf = {
- .send = (void*)aws_send_event,
- .expects = NULL
+/* interface for afb_ws_json1 / afb_wsj1 */
+static struct afb_wsj1_itf wsj1_itf = {
+ .on_hangup = (void*)aws_on_hangup,
+ .on_call = (void*)aws_on_call
};
-static inline struct afb_event_listener listener_for(struct afb_ws_json1 *aws)
-{
- return (struct afb_event_listener){ .itf = &event_listener_itf, .closure = aws };
-}
+/* interface for wsreq / afb_req */
+const struct afb_req_itf afb_ws_json1_req_itf = {
+ .json = (void*)wsreq_json,
+ .get = (void*)wsreq_get,
+ .success = (void*)wsreq_success,
+ .fail = (void*)wsreq_fail,
+ .raw = (void*)wsreq_raw,
+ .send = (void*)wsreq_send,
+ .context_get = (void*)afb_context_get,
+ .context_set = (void*)afb_context_set,
+ .addref = (void*)wsreq_addref,
+ .unref = (void*)wsreq_unref,
+ .session_close = (void*)afb_context_close,
+ .session_set_LOA = (void*)afb_context_change_loa,
+ .subscribe = (void*)wsreq_subscribe,
+ .unsubscribe = (void*)wsreq_unsubscribe,
+ .subcall = (void*)wsreq_subcall
+};
+
+/***************************************************************
+****************************************************************
+**
+** functions of afb_ws_json1 / afb_wsj1
+**
+****************************************************************
+***************************************************************/
struct afb_ws_json1 *afb_ws_json1_create(int fd, struct afb_context *context, void (*cleanup)(void*), void *cleanup_closure)
{
if (result->wsj1 == NULL)
goto error3;
- if (0 > ctxClientEventListenerAdd(result->session, listener_for(result)))
+ result->listener = afb_evt_listener_create((void*)aws_on_event, result);
+ if (result->listener == NULL)
goto error4;
return result;
static void aws_unref(struct afb_ws_json1 *ws)
{
if (--ws->refcount == 0) {
- ctxClientEventListenerRemove(ws->session, listener_for(ws));
+ afb_evt_listener_unref(ws->listener);
afb_wsj1_unref(ws->wsj1);
if (ws->cleanup != NULL)
ws->cleanup(ws->cleanup_closure);
aws_unref(ws);
}
-struct afb_wsreq
-{
- /*
- * CAUTION: 'context' field should be the first because there
- * is an implicit convertion to struct afb_context
- */
- struct afb_context context;
- int refcount;
- struct afb_ws_json1 *aws;
- struct afb_wsreq *next;
- struct afb_wsj1_msg *msgj1;
-};
-
-static void wsreq_addref(struct afb_wsreq *wsreq);
-static void wsreq_unref(struct afb_wsreq *wsreq);
-static struct json_object *wsreq_json(struct afb_wsreq *wsreq);
-static struct afb_arg wsreq_get(struct afb_wsreq *wsreq, const char *name);
-static void wsreq_fail(struct afb_wsreq *wsreq, const char *status, const char *info);
-static void wsreq_success(struct afb_wsreq *wsreq, struct json_object *obj, const char *info);
-static const char *wsreq_raw(struct afb_wsreq *wsreq, size_t *size);
-static void wsreq_send(struct afb_wsreq *wsreq, const char *buffer, size_t size);
-
-
-static const struct afb_req_itf wsreq_itf = {
- .json = (void*)wsreq_json,
- .get = (void*)wsreq_get,
- .success = (void*)wsreq_success,
- .fail = (void*)wsreq_fail,
- .raw = (void*)wsreq_raw,
- .send = (void*)wsreq_send,
- .context_get = (void*)afb_context_get,
- .context_set = (void*)afb_context_set,
- .addref = (void*)wsreq_addref,
- .unref = (void*)wsreq_unref,
- .session_close = (void*)afb_context_close,
- .session_set_LOA = (void*)afb_context_change_loa
-};
-
static void aws_on_call(struct afb_ws_json1 *ws, const char *api, const char *verb, struct afb_wsj1_msg *msg)
{
struct afb_req r;
/* emits the call */
r.closure = wsreq;
- r.itf = &wsreq_itf;
+ r.itf = &afb_ws_json1_req_itf;
afb_apis_call_(r, &wsreq->context, api, verb);
wsreq_unref(wsreq);
}
+static void aws_on_event(struct afb_ws_json1 *aws, const char *event, struct json_object *object)
+{
+ afb_wsj1_send_event_j(aws->wsj1, event, afb_msg_json_event(event, object));
+}
+
+/***************************************************************
+****************************************************************
+**
+** functions of wsreq / afb_req
+**
+****************************************************************
+***************************************************************/
+
static void wsreq_addref(struct afb_wsreq *wsreq)
{
wsreq->refcount++;
static struct afb_arg wsreq_get(struct afb_wsreq *wsreq, const char *name)
{
- struct afb_arg arg;
- struct json_object *value, *root;
-
- root = wsreq_json(wsreq);
- if (json_object_object_get_ex(root, name, &value)) {
- arg.name = name;
- arg.value = json_object_get_string(value);
- } else {
- arg.name = NULL;
- arg.value = NULL;
- }
- arg.path = NULL;
- return arg;
+ return afb_msg_json_get_arg(wsreq_json(wsreq), name);
}
static void wsreq_fail(struct afb_wsreq *wsreq, const char *status, const char *info)
ERROR("Can't send raw reply: %m");
}
-static void aws_send_event(struct afb_ws_json1 *aws, const char *event, struct json_object *object)
+static int wsreq_subscribe(struct afb_wsreq *wsreq, struct afb_event event)
{
- afb_wsj1_send_event_j(aws->wsj1, event, afb_msg_json_event(event, object));
+ return afb_evt_add_watch(wsreq->aws->listener, event);
+}
+
+static int wsreq_unsubscribe(struct afb_wsreq *wsreq, struct afb_event event)
+{
+ return afb_evt_remove_watch(wsreq->aws->listener, event);
+}
+
+static void wsreq_subcall(struct afb_wsreq *wsreq, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *closure)
+{
+ afb_subcall(&wsreq->context, api, verb, args, callback, closure, (struct afb_req){ .itf = &afb_ws_json1_req_itf, .closure = wsreq });
}