/*
- * Copyright (C) 2016, 2017 "IoT.bzh"
+ * Copyright (C) 2015-2020 "IoT.bzh"
* Author: José Bollo <jose.bollo@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
#include <json-c/json.h>
-#include <afb/afb-req-itf.h>
-
#include "afb-wsj1.h"
#include "afb-ws-json1.h"
-#include "afb-common.h"
#include "afb-msg-json.h"
#include "afb-session.h"
#include "afb-cred.h"
-#include "afb-apis.h"
+#include "afb-apiset.h"
#include "afb-xreq.h"
#include "afb-context.h"
#include "afb-evt.h"
-#include "afb-subcall.h"
+#include "afb-token.h"
+
+#include "systemd.h"
#include "verbose.h"
+#include "fdev.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, int eventid, struct json_object *object);
+static void aws_on_hangup_cb(void *closure, struct afb_wsj1 *wsj1);
+static void aws_on_call_cb(void *closure, const char *api, const char *verb, struct afb_wsj1_msg *msg);
+static void aws_on_push_cb(void *closure, const char *event, uint16_t eventid, struct json_object *object);
+static void aws_on_broadcast_cb(void *closure, const char *event, struct json_object *object, const uuid_binary_t uuid, uint8_t hop);
/* predeclaration of wsreq callbacks */
static void wsreq_destroy(struct afb_xreq *xreq);
-static void wsreq_reply(struct afb_xreq *xreq, int iserror, json_object *obj);
+static void wsreq_reply(struct afb_xreq *xreq, struct json_object *object, const char *error, const char *info);
+static int wsreq_subscribe(struct afb_xreq *xreq, struct afb_event_x2 *event);
+static int wsreq_unsubscribe(struct afb_xreq *xreq, struct afb_event_x2 *event);
/* declaration of websocket structure */
struct afb_ws_json1
void (*cleanup)(void*);
void *cleanup_closure;
struct afb_session *session;
+ struct afb_token *token;
struct afb_evt_listener *listener;
struct afb_wsj1 *wsj1;
struct afb_cred *cred;
- int new_session;
+ struct afb_apiset *apiset;
};
/* declaration of wsreq structure */
/* 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
+ .on_hangup = aws_on_hangup_cb,
+ .on_call = aws_on_call_cb
};
/* interface for xreq */
const struct afb_xreq_query_itf afb_ws_json1_xreq_itf = {
.reply = wsreq_reply,
+ .subscribe = wsreq_subscribe,
+ .unsubscribe = wsreq_unsubscribe,
.unref = wsreq_destroy
};
/* the interface for events */
static const struct afb_evt_itf evt_itf = {
- .broadcast = (void*)aws_on_event,
- .push = (void*)aws_on_event
+ .broadcast = aws_on_broadcast_cb,
+ .push = aws_on_push_cb
};
/***************************************************************
****************************************************************
***************************************************************/
-struct afb_ws_json1 *afb_ws_json1_create(int fd, struct afb_context *context, void (*cleanup)(void*), void *cleanup_closure)
+struct afb_ws_json1 *afb_ws_json1_create(struct fdev *fdev, struct afb_apiset *apiset, struct afb_context *context, void (*cleanup)(void*), void *cleanup_closure)
{
struct afb_ws_json1 *result;
- assert(fd >= 0);
+ assert(fdev);
assert(context != NULL);
result = malloc(sizeof * result);
result->cleanup = cleanup;
result->cleanup_closure = cleanup_closure;
result->session = afb_session_addref(context->session);
- result->new_session = context->created != 0;
+ result->token = afb_token_addref(context->token);
if (result->session == NULL)
goto error2;
- result->wsj1 = afb_wsj1_create(afb_common_get_event_loop(), fd, &wsj1_itf, result);
+ result->wsj1 = afb_wsj1_create(fdev, &wsj1_itf, result);
if (result->wsj1 == NULL)
goto error3;
if (result->listener == NULL)
goto error4;
- result->cred = afb_cred_create_for_socket(fd);
+ result->cred = afb_cred_create_for_socket(fdev_fd(fdev));
+ result->apiset = afb_apiset_addref(apiset);
return result;
error4:
afb_wsj1_unref(result->wsj1);
error3:
afb_session_unref(result->session);
+ afb_token_unref(result->token);
error2:
free(result);
error:
- close(fd);
+ fdev_unref(fdev);
return NULL;
}
-static struct afb_ws_json1 *aws_addref(struct afb_ws_json1 *ws)
+struct afb_ws_json1 *afb_ws_json1_addref(struct afb_ws_json1 *ws)
{
- ws->refcount++;
+ __atomic_add_fetch(&ws->refcount, 1, __ATOMIC_RELAXED);
return ws;
}
-static void aws_unref(struct afb_ws_json1 *ws)
+void afb_ws_json1_unref(struct afb_ws_json1 *ws)
{
- if (--ws->refcount == 0) {
+ if (!__atomic_sub_fetch(&ws->refcount, 1, __ATOMIC_RELAXED)) {
afb_evt_listener_unref(ws->listener);
afb_wsj1_unref(ws->wsj1);
if (ws->cleanup != NULL)
ws->cleanup(ws->cleanup_closure);
+ afb_token_unref(ws->token);
afb_session_unref(ws->session);
afb_cred_unref(ws->cred);
+ afb_apiset_unref(ws->apiset);
free(ws);
}
}
-static void aws_on_hangup(struct afb_ws_json1 *ws, struct afb_wsj1 *wsj1)
+static void aws_on_hangup_cb(void *closure, struct afb_wsj1 *wsj1)
{
- aws_unref(ws);
+ struct afb_ws_json1 *ws = closure;
+ afb_ws_json1_unref(ws);
+}
+
+static int aws_new_token(struct afb_ws_json1 *ws, const char *new_token_string)
+{
+ int rc;
+ struct afb_token *newtok, *oldtok;
+
+ rc = afb_token_get(&newtok, new_token_string);
+ if (rc >= 0) {
+ oldtok = ws->token;
+ ws->token = newtok;
+ afb_token_unref(oldtok);
+ }
+ return rc;
}
-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_call_cb(void *closure, const char *api, const char *verb, struct afb_wsj1_msg *msg)
{
+ struct afb_ws_json1 *ws = closure;
struct afb_wsreq *wsreq;
+ const char *tok;
DEBUG("received websocket request for %s/%s: %s", api, verb, afb_wsj1_msg_object_s(msg));
+ /* handle new tokens */
+ tok = afb_wsj1_msg_token(msg);
+ if (tok)
+ aws_new_token(ws, tok);
+
/* allocate */
wsreq = calloc(1, sizeof *wsreq);
if (wsreq == NULL) {
/* init the context */
afb_xreq_init(&wsreq->xreq, &afb_ws_json1_xreq_itf);
- afb_context_init(&wsreq->xreq.context, ws->session, afb_wsj1_msg_token(msg));
- if (!wsreq->xreq.context.invalidated)
- wsreq->xreq.context.validated = 1;
- if (ws->new_session != 0) {
- wsreq->xreq.context.created = 1;
- ws->new_session = 0;
- }
+ afb_context_init(&wsreq->xreq.context, ws->session, ws->token, ws->cred);
/* fill and record the request */
afb_wsj1_msg_addref(msg);
wsreq->msgj1 = msg;
- wsreq->xreq.api = api;
- wsreq->xreq.verb = verb;
+ wsreq->xreq.request.called_api = api;
+ wsreq->xreq.request.called_verb = verb;
wsreq->xreq.json = afb_wsj1_msg_object_j(wsreq->msgj1);
- wsreq->aws = aws_addref(ws);
- wsreq->xreq.listener = wsreq->aws->listener;
+ wsreq->aws = afb_ws_json1_addref(ws);
/* emits the call */
- afb_apis_call(&wsreq->xreq);
- afb_xreq_unref(&wsreq->xreq);
+ afb_xreq_process(&wsreq->xreq, ws->apiset);
}
-static void aws_on_event(struct afb_ws_json1 *aws, const char *event, int eventid, struct json_object *object)
+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));
}
+static void aws_on_push_cb(void *closure, const char *event, uint16_t eventid, struct json_object *object)
+{
+ aws_on_event(closure, event, object);
+}
+
+static void aws_on_broadcast_cb(void *closure, const char *event, struct json_object *object, const uuid_binary_t uuid, uint8_t hop)
+{
+ aws_on_event(closure, event, afb_msg_json_event(event, object));
+}
+
/***************************************************************
****************************************************************
**
afb_context_disconnect(&wsreq->xreq.context);
afb_wsj1_msg_unref(wsreq->msgj1);
- aws_unref(wsreq->aws);
+ afb_ws_json1_unref(wsreq->aws);
free(wsreq);
}
-static void wsreq_reply(struct afb_xreq *xreq, int iserror, json_object *obj)
+static void wsreq_reply(struct afb_xreq *xreq, struct json_object *object, const char *error, const char *info)
{
struct afb_wsreq *wsreq = CONTAINER_OF_XREQ(struct afb_wsreq, xreq);
int rc;
+ struct json_object *reply;
- rc = (iserror ? afb_wsj1_reply_error_j : afb_wsj1_reply_ok_j)(
- wsreq->msgj1, obj, afb_context_sent_token(&wsreq->xreq.context));
+ /* create the reply */
+ reply = afb_msg_json_reply(object, error, info, &xreq->context);
+
+ rc = (error ? afb_wsj1_reply_error_j : afb_wsj1_reply_ok_j)(
+ wsreq->msgj1, reply, NULL);
if (rc)
ERROR("Can't send reply: %m");
}
+static int wsreq_subscribe(struct afb_xreq *xreq, struct afb_event_x2 *event)
+{
+ struct afb_wsreq *wsreq = CONTAINER_OF_XREQ(struct afb_wsreq, xreq);
+
+ return afb_evt_listener_watch_x2(wsreq->aws->listener, event);
+}
+
+static int wsreq_unsubscribe(struct afb_xreq *xreq, struct afb_event_x2 *event)
+{
+ struct afb_wsreq *wsreq = CONTAINER_OF_XREQ(struct afb_wsreq, xreq);
+
+ return afb_evt_listener_unwatch_x2(wsreq->aws->listener, event);
+}
+