Fix bug in session and token removal
[src/app-framework-binder.git] / src / afb-stub-ws.c
index d538fc6..7e9ab7a 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2015-2019 "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");
@@ -44,6 +44,7 @@
 #include "afb-evt.h"
 #include "afb-xreq.h"
 #include "afb-token.h"
+#include "afb-error-text.h"
 #include "verbose.h"
 #include "fdev.h"
 #include "jobs.h"
@@ -144,7 +145,6 @@ static void server_req_destroy_cb(struct afb_xreq *xreq)
        struct server_req *wreq = CONTAINER_OF_XREQ(struct server_req, xreq);
 
        afb_context_disconnect(&wreq->xreq.context);
-       afb_cred_unref(wreq->xreq.cred);
        json_object_put(wreq->xreq.json);
        afb_proto_ws_call_unref(wreq->call);
        afb_stub_ws_unref(wreq->stubws);
@@ -167,7 +167,7 @@ static int server_req_subscribe_cb(struct afb_xreq *xreq, struct afb_event_x2 *e
        int rc;
        struct server_req *wreq = CONTAINER_OF_XREQ(struct server_req, xreq);
 
-       rc = afb_evt_event_x2_add_watch(wreq->stubws->listener, event);
+       rc = afb_evt_listener_watch_x2(wreq->stubws->listener, event);
        if (rc >= 0)
                rc = afb_proto_ws_call_subscribe(wreq->call,  afb_evt_event_x2_id(event));
        if (rc < 0)
@@ -177,13 +177,10 @@ static int server_req_subscribe_cb(struct afb_xreq *xreq, struct afb_event_x2 *e
 
 static int server_req_unsubscribe_cb(struct afb_xreq *xreq, struct afb_event_x2 *event)
 {
-       int rc, rc2;
+       int rc;
        struct server_req *wreq = CONTAINER_OF_XREQ(struct server_req, xreq);
 
        rc = afb_proto_ws_call_unsubscribe(wreq->call,  afb_evt_event_x2_id(event));
-       rc2 = afb_evt_event_x2_remove_watch(wreq->stubws->listener, event);
-       if (rc >= 0 && rc2 < 0)
-               rc = rc2;
        if (rc < 0)
                ERROR("error while unsubscribing event");
        return rc;
@@ -262,7 +259,7 @@ static void client_api_call_cb(void * closure, struct afb_xreq *xreq)
 
        proto = client_get_proto(stubws);
        if (proto == NULL) {
-               afb_xreq_reply(xreq, NULL, "disconnected", "server hung up");
+               afb_xreq_reply(xreq, NULL, afb_error_text_disconnected, NULL);
                return;
        }
 
@@ -279,7 +276,7 @@ static void client_api_call_cb(void * closure, struct afb_xreq *xreq)
                                xreq_on_behalf_cred_export(xreq));
        }
        if (rc < 0) {
-               afb_xreq_reply(xreq, NULL, "internal", "can't send message");
+               afb_xreq_reply(xreq, NULL, afb_error_text_internal_error, "can't send message");
                afb_xreq_unhooked_unref(xreq);
        }
 }
@@ -414,9 +411,11 @@ static void client_on_event_push_cb(void *closure, uint16_t event_id, struct jso
 
        rc = u16id2ptr_get(stubws->event_proxies, event_id, (void**)&event);
        if (rc >= 0 && event)
-               afb_evt_event_x2_push(event, data);
+               rc = afb_evt_event_x2_push(event, data);
        else
                ERROR("unreadable push event");
+       if (rc <= 0)
+               afb_proto_ws_client_event_unexpected(stubws->proto, event_id);
 }
 
 static void client_on_event_broadcast_cb(void *closure, const char *event_name, struct json_object *data, const uuid_binary_t uuid, uint8_t hop)
@@ -459,7 +458,7 @@ static void server_on_session_remove_cb(void *closure, uint16_t sessionid)
        struct afb_session *session;
        int rc;
        
-       rc = u16id2ptr_drop(&stubws->event_proxies, sessionid, (void**)&session);
+       rc = u16id2ptr_drop(&stubws->session_proxies, sessionid, (void**)&session);
        if (rc == 0 && session)
                afb_session_unref(session);
 }
@@ -488,13 +487,21 @@ static void server_on_token_remove_cb(void *closure, uint16_t tokenid)
        struct afb_token *token;
        int rc;
        
-       rc = u16id2ptr_drop(&stubws->event_proxies, tokenid, (void**)&token);
+       rc = u16id2ptr_drop(&stubws->token_proxies, tokenid, (void**)&token);
        if (rc == 0 && token)
                afb_token_unref(token);
 }
 
+static void server_on_event_unexpected_cb(void *closure, uint16_t eventid)
+{
+       struct afb_stub_ws *stubws = closure;
+
+       afb_evt_listener_unwatch_id(stubws->listener, eventid);
+}
+
 static void server_on_call_cb(void *closure, struct afb_proto_ws_call *call, const char *verb, struct json_object *args, uint16_t sessionid, uint16_t tokenid, const char *user_creds)
 {
+       const char *errstr = afb_error_text_internal_error;
        struct afb_stub_ws *stubws = closure;
        struct server_req *wreq;
        struct afb_session *session;
@@ -525,21 +532,22 @@ static void server_on_call_cb(void *closure, struct afb_proto_ws_call *call, con
        wreq->call = call;
 
        /* init the context */
-       afb_context_init(&wreq->xreq.context, session, token);
+       afb_context_init(&wreq->xreq.context, session, token, stubws->cred);
+       afb_context_on_behalf_import(&wreq->xreq.context, user_creds);
 
        /* makes the call */
-       wreq->xreq.cred = afb_cred_mixed_on_behalf_import(stubws->cred, &wreq->xreq.context, user_creds);
        wreq->xreq.request.called_api = stubws->apiname;
        wreq->xreq.request.called_verb = verb;
        wreq->xreq.json = args;
        afb_xreq_process(&wreq->xreq, stubws->apiset);
        return;
 
-out_of_memory:
 no_session:
+       errstr = afb_error_text_unknown_session;
+out_of_memory:
        json_object_put(args);
        afb_stub_ws_unref(stubws);
-       afb_proto_ws_call_reply(call, NULL, "internal-error", NULL);
+       afb_proto_ws_call_reply(call, NULL, errstr, NULL);
        afb_proto_ws_call_unref(call);
 }
 
@@ -583,7 +591,8 @@ static const struct afb_proto_ws_server_itf server_itf =
        .on_token_create = server_on_token_create_cb,
        .on_token_remove = server_on_token_remove_cb,
        .on_call = server_on_call_cb,
-       .on_describe = server_on_describe_cb
+       .on_describe = server_on_describe_cb,
+       .on_event_unexpected = server_on_event_unexpected_cb
 };
 
 /* the interface for events pushing */