afb-stub-ws: Track sessions for releasing it

Change-Id: If0ff0f491e0fd8267137aa742d7acbe0157f88ad
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

diff --git a/src/afb-stub-ws.c b/src/afb-stub-ws.c
index 693a0d0..ce5b805 100644 (file)
--- a/src/afb-stub-ws.c
+++ b/src/afb-stub-ws.c
@@ -125,6 +125,15 @@ struct server_describe
        struct afb_proto_ws_describe *describe;
 };
 
+/*
+ * structure for recording sessions
+ */
+struct server_session
+{
+       struct server_session *next;
+       struct afb_session *session;
+};
+
 /******************* stub description for client or servers ******************/
 
 struct afb_stub_ws
@@ -147,6 +156,9 @@ struct afb_stub_ws
        /* credentials (server side) */
        struct afb_cred *cred;
 
+       /* sessions (server side) */
+       struct server_session *sessions;
+
        /* apiset */
        struct afb_apiset *apiset;
 
@@ -460,6 +472,37 @@ static void on_subcall(void *closure, struct afb_proto_ws_subcall *subcall, void
 
 /*****************************************************/
 
+static void record_session(struct afb_stub_ws *stubws, struct afb_session *session)
+{
+       struct server_session *iter;
+
+       /* search */
+       for (iter = stubws->sessions ; iter ; iter = iter->next)
+               if (iter->session == session)
+                       return;
+
+       /* create */
+       iter = malloc(sizeof *iter);
+       if (iter) {
+               iter->session = afb_session_addref(session);
+               iter->next = stubws->sessions;
+               stubws->sessions = iter;
+       }
+}
+
+static void release_sessions(struct afb_stub_ws *stubws)
+{
+       struct server_session *iter;
+
+       while((iter = stubws->sessions)) {
+               stubws->sessions = iter->next;
+               afb_session_unref(iter->session);
+               free(iter);
+       }
+}
+
+/*****************************************************/
+
 static void on_call(void *closure, struct afb_proto_ws_call *call, const char *verb, struct json_object *args, const char *sessionid)
 {
        struct afb_stub_ws *stubws = closure;
@@ -480,6 +523,7 @@ static void on_call(void *closure, struct afb_proto_ws_call *call, const char *v
        if (afb_context_connect(&wreq->xreq.context, sessionid, NULL) < 0)
                goto unconnected;
        wreq->xreq.context.validated = 1;
+       record_session(stubws, wreq->xreq.context.session);
 
        /* makes the call */
        wreq->xreq.cred = afb_cred_addref(stubws->cred);
@@ -598,6 +642,8 @@ static void on_hangup(void *closure)
 
        if (stubws->on_hangup)
                stubws->on_hangup(stubws);
+
+       release_sessions(stubws);
 }
 
 /*****************************************************/
@@ -651,6 +697,7 @@ void afb_stub_ws_unref(struct afb_stub_ws *stubws)
        if (!__atomic_sub_fetch(&stubws->refcount, 1, __ATOMIC_RELAXED)) {
                drop_all_events(stubws);
                afb_evt_listener_unref(stubws->listener);
+               release_sessions(stubws);
                afb_proto_ws_unref(stubws->proto);
                afb_cred_unref(stubws->cred);
                afb_apiset_unref(stubws->apiset);