session: start to manage concurrency

Change-Id: I5895fa14fcb496e71fba600994e7e454cf1d110b
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

1 files changed, 8 insertions, 0 deletions

diff --git a/bindings/samples/DemoContext.c b/bindings/samples/DemoContext.c
index 66dc6ccf..26677949 100644
--- a/bindings/samples/DemoContext.c
+++ b/bindings/samples/DemoContext.c
@@ -67,6 +67,10 @@ static void myAction (struct afb_req request)
 {
     MyClientContextT *ctx = (MyClientContextT*) afb_req_context_get(request);
 
+    if (!ctx) {
+	afb_req_fail(request, "invalid-state", "Can't perform action");
+	return;
+    }
     // store something in our plugin private client context
     ctx->count++;
     afb_req_success_f(request, NULL, "SUCCESS: plugin [%s] Check=[%d]\n", ctx->abcd, ctx->count);
@@ -80,6 +84,10 @@ static void myClose (struct afb_req request)
 {
     MyClientContextT *ctx = (MyClientContextT*) afb_req_context_get(request);
 
+    if (!ctx) {
+        afb_req_success(request, NULL, NULL);
+	return;
+    }
     // store something in our plugin private client context
     ctx->count++;
     afb_req_success_f(request, NULL, "SUCCESS: plugin [%s] Close=[%d]\n", ctx->abcd, ctx->count);