From ba3b448ab48e908849652007d920a78fb5099e57 Mon Sep 17 00:00:00 2001
From: Peter <peter279k@gmail.com>
Date: Mon, 1 Feb 2021 20:42:23 +0800
Subject: [PATCH] Using writer handler

---
 examples/tls_server_example/tls_server_example.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/examples/tls_server_example/tls_server_example.c b/examples/tls_server_example/tls_server_example.c
index abc7be93..3b743175 100644
--- a/examples/tls_server_example/tls_server_example.c
+++ b/examples/tls_server_example/tls_server_example.c
@@ -25,6 +25,14 @@ sigint_handler(int signalId)
     running = 0;
 }
 
+static bool
+writeAccessHandler (DataAttribute* dataAttribute, MmsValue* value, ClientConnection connection)
+{
+    printf("New visible string value for OutVarSet_setMag_f = %s\n",
+        MmsValue_toString(value));
+    return true;
+}
+
 static ControlHandlerResult
 controlHandlerForBinaryOutput(ControlAction action, void* parameter, MmsValue* value, bool test)
 {
@@ -167,6 +175,10 @@ main(int argc, char** argv)
     // Create Server Connection
     iedServer = IedServer_createWithTlsSupport(&iedModel, tlsConfig);
 
+    // Install writer handler
+    IedServer_handleWriteAccess(iedServer, IEDMODEL_GenericIO_GGIO1_NamPlt_vendor,
+       writeAccessHandler);
+
     IedServer_setAuthenticator(iedServer, clientAuthenticator, NULL);
 
     IedServer_setWriteAccessPolicy(iedServer, IEC61850_FC_DC, ACCESS_POLICY_ALLOW);