/*
- * Copyright (C) 2016, 2017 "IoT.bzh"
+ * Copyright (C) 2016, 2017, 2018 "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-systemd.h"
#include "afb-msg-json.h"
#include "afb-session.h"
-#include "afb-apis.h"
+#include "afb-cred.h"
+#include "afb-apiset.h"
+#include "afb-xreq.h"
#include "afb-context.h"
#include "afb-evt.h"
-#include "afb-subcall.h"
#include "verbose.h"
+#include "fdev.h"
/* predeclaration of structures */
struct afb_ws_json1;
static void aws_on_event(struct afb_ws_json1 *ws, const char *event, int eventid, struct json_object *object);
/* 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);
+static void wsreq_destroy(struct afb_xreq *xreq);
+static void wsreq_reply(struct afb_xreq *xreq, struct json_object *object, const char *error, const char *info);
/* declaration of websocket structure */
struct afb_ws_json1
struct afb_session *session;
struct afb_evt_listener *listener;
struct afb_wsj1 *wsj1;
+ struct afb_cred *cred;
+ struct afb_apiset *apiset;
int new_session;
};
/* 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_xreq xreq;
struct afb_ws_json1 *aws;
struct afb_wsreq *next;
struct afb_wsj1_msg *msgj1;
.on_call = (void*)aws_on_call
};
-/* 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
+/* interface for xreq */
+const struct afb_xreq_query_itf afb_ws_json1_xreq_itf = {
+ .reply = wsreq_reply,
+ .unref = wsreq_destroy
};
/* the interface for events */
****************************************************************
***************************************************************/
-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);
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(fdev_fd(fdev));
+ result->apiset = afb_apiset_addref(apiset);
return result;
error4:
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_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)
{
- aws_unref(ws);
+ afb_ws_json1_unref(ws);
}
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;
struct afb_wsreq *wsreq;
DEBUG("received websocket request for %s/%s: %s", api, verb, afb_wsj1_msg_object_s(msg));
}
/* init the context */
- afb_context_init(&wsreq->context, ws->session, afb_wsj1_msg_token(msg));
- if (!wsreq->context.invalidated)
- wsreq->context.validated = 1;
+ 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->context.created = 1;
+ wsreq->xreq.context.created = 1;
ws->new_session = 0;
}
/* fill and record the request */
afb_wsj1_msg_addref(msg);
wsreq->msgj1 = msg;
- wsreq->refcount = 1;
- wsreq->aws = aws_addref(ws);
+ wsreq->xreq.cred = afb_cred_addref(ws->cred);
+ wsreq->xreq.request.called_api = api;
+ wsreq->xreq.request.called_verb = verb;
+ wsreq->xreq.json = afb_wsj1_msg_object_j(wsreq->msgj1);
+ wsreq->aws = afb_ws_json1_addref(ws);
+ wsreq->xreq.listener = wsreq->aws->listener;
/* emits the call */
- r.closure = wsreq;
- r.itf = &afb_ws_json1_req_itf;
- afb_apis_call(r, &wsreq->context, api, verb);
- wsreq_unref(wsreq);
+ 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 wsreq_addref(struct afb_wsreq *wsreq)
-{
- wsreq->refcount++;
-}
-
-static void wsreq_unref(struct afb_wsreq *wsreq)
-{
- if (--wsreq->refcount == 0) {
- afb_context_disconnect(&wsreq->context);
- afb_wsj1_msg_unref(wsreq->msgj1);
- aws_unref(wsreq->aws);
- free(wsreq);
- }
-}
-
-static struct json_object *wsreq_json(struct afb_wsreq *wsreq)
-{
- return afb_wsj1_msg_object_j(wsreq->msgj1);
-}
-
-static struct afb_arg wsreq_get(struct afb_wsreq *wsreq, const char *name)
+static void wsreq_destroy(struct afb_xreq *xreq)
{
- return afb_msg_json_get_arg(wsreq_json(wsreq), name);
-}
+ struct afb_wsreq *wsreq = CONTAINER_OF_XREQ(struct afb_wsreq, xreq);
-static void wsreq_fail(struct afb_wsreq *wsreq, const char *status, const char *info)
-{
- int rc;
- rc = afb_wsj1_reply_error_j(wsreq->msgj1, afb_msg_json_reply_error(status, info, &wsreq->context, NULL), afb_context_sent_token(&wsreq->context));
- if (rc)
- ERROR("Can't send fail reply: %m");
+ afb_context_disconnect(&wsreq->xreq.context);
+ afb_wsj1_msg_unref(wsreq->msgj1);
+ afb_cred_unref(wsreq->xreq.cred);
+ afb_ws_json1_unref(wsreq->aws);
+ free(wsreq);
}
-static void wsreq_success(struct afb_wsreq *wsreq, json_object *obj, const char *info)
+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;
- rc = afb_wsj1_reply_ok_j(wsreq->msgj1, afb_msg_json_reply_ok(info, obj, &wsreq->context, NULL), afb_context_sent_token(&wsreq->context));
- if (rc)
- ERROR("Can't send success reply: %m");
-}
+ struct json_object *reply;
-static const char *wsreq_raw(struct afb_wsreq *wsreq, size_t *size)
-{
- const char *result = afb_wsj1_msg_object_s(wsreq->msgj1);
- if (size != NULL)
- *size = strlen(result);
- return result;
-}
+ /* create the reply */
+ reply = afb_msg_json_reply(object, error, info, &xreq->context);
-static void wsreq_send(struct afb_wsreq *wsreq, const char *buffer, size_t size)
-{
- int rc;
- rc = afb_wsj1_reply_ok_s(wsreq->msgj1, buffer, afb_context_sent_token(&wsreq->context));
+ rc = (error ? afb_wsj1_reply_error_j : afb_wsj1_reply_ok_j)(
+ wsreq->msgj1, reply, afb_context_sent_token(&wsreq->xreq.context));
if (rc)
- ERROR("Can't send raw reply: %m");
-}
-
-static int wsreq_subscribe(struct afb_wsreq *wsreq, struct afb_event event)
-{
- 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 });
+ ERROR("Can't send reply: %m");
}