Update copyright dates

[src/app-framework-binder.git] / src / afb-ws-json1.c

diff --git a/src/afb-ws-json1.c b/src/afb-ws-json1.c
index 23160fc..88fd1c1 100644 (file)
--- a/src/afb-ws-json1.c
+++ b/src/afb-ws-json1.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016-2019 "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");
@@ -34,6 +34,7 @@
 #include "afb-xreq.h"
 #include "afb-context.h"
 #include "afb-evt.h"
+#include "afb-token.h"
 
 #include "systemd.h"
 #include "verbose.h"
@@ -46,12 +47,14 @@ struct afb_wsreq;
 /* predeclaration of websocket callbacks */
 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, int eventid, struct json_object *object);
+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, 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
@@ -60,11 +63,11 @@ 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;
        struct afb_apiset *apiset;
-       int new_session;
 };
 
 /* declaration of wsreq structure */
@@ -85,6 +88,8 @@ static struct afb_wsj1_itf wsj1_itf = {
 /* 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
 };
 
@@ -117,7 +122,7 @@ struct afb_ws_json1 *afb_ws_json1_create(struct fdev *fdev, struct afb_apiset *a
        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;
 
@@ -137,6 +142,7 @@ error4:
        afb_wsj1_unref(result->wsj1);
 error3:
        afb_session_unref(result->session);
+       afb_token_unref(result->token);
 error2:
        free(result);
 error:
@@ -157,6 +163,7 @@ void afb_ws_json1_unref(struct afb_ws_json1 *ws)
                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);
@@ -170,13 +177,33 @@ static void aws_on_hangup_cb(void *closure, struct afb_wsj1 *wsj1)
        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_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) {
@@ -186,23 +213,15 @@ static void aws_on_call_cb(void *closure, const char *api, const char *verb, str
 
        /* 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.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 */
        afb_xreq_process(&wsreq->xreq, ws->apiset);
@@ -213,7 +232,7 @@ static void aws_on_event(struct afb_ws_json1 *aws, const char *event, struct jso
        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, int eventid, struct json_object *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);
 }
@@ -237,7 +256,6 @@ static void wsreq_destroy(struct afb_xreq *xreq)
 
        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);
 }
@@ -252,8 +270,22 @@ static void wsreq_reply(struct afb_xreq *xreq, struct json_object *object, const
        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, afb_context_sent_token(&wsreq->xreq.context));
+                       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);
+}
+