Define in one place only.

coupler/opc-ua-server/keep_alive_publisher.h

@@ -191,10 +191,9 @@ static void enablePublishHeartBeat(UA_Server *server, UA_ServerConfig *config){
         }
     };
 
-    UA_String transportProfile =
-        UA_STRING("http://opcfoundation.org/UA-Profile/Transport/pubsub-udp-uadp");
+    UA_String transportProfile = UA_STRING(DEFAULT_TRANSPORT_PROFILE);
     UA_NetworkAddressUrlDataType networkAddressUrl =
-        {UA_STRING_NULL , UA_STRING("opc.udp://224.0.0.22:4840/")};
+        {UA_STRING_NULL , UA_STRING(DEFAULT_NETWORK_ADDRESS_URL)};
     addPubSubConnection(server, &transportProfile, &networkAddressUrl);
     addPublishedDataSet(server);
     for(i = 0; i < countof(publishedVariableArray); i++) {

coupler/opc-ua-server/keep_alive_subscriber.h

@@ -238,8 +238,8 @@ static void fillTestDataSetMetaData(UA_DataSetMetaDataType *pMetaData) {
 
 static int enableSubscribeToHeartBeat(UA_Server *server, UA_ServerConfig *config){
     // enable subscribe to keep-alive messages
-    UA_String transportProfile = UA_STRING("http://opcfoundation.org/UA-Profile/Transport/pubsub-udp-uadp");
-    UA_NetworkAddressUrlDataType networkAddressUrl = {UA_STRING_NULL , UA_STRING("opc.udp://224.0.0.22:4840/")};
+    UA_String transportProfile = UA_STRING(DEFAULT_TRANSPORT_PROFILE);
+    UA_NetworkAddressUrlDataType networkAddressUrl = {UA_STRING_NULL , UA_STRING(DEFAULT_NETWORK_ADDRESS_URL)};
     addPubSubConnectionXXX(server, &transportProfile, &networkAddressUrl);
 
     /* Add ReaderGroup to the created PubSubConnection */

coupler/opc-ua-server/server.c

@@ -39,14 +39,18 @@ static int COUPLER_ID = 0;
 // global server
 UA_Server *server;
 
-#include "keep_alive_publisher.h"
-#include "keep_alive_subscriber.h"
-
 // The default port of OPC-UA server
 const int DEFAULT_OPC_UA_PORT = 4840;
 const int DEFAULT_MODE = 0;
 const int DEFAULT_ID = 0;
 
+// OPC UA's Pub/Sub profile
+char *DEFAULT_TRANSPORT_PROFILE = "http://opcfoundation.org/UA-Profile/Transport/pubsub-udp-uadp";
+char *DEFAULT_NETWORK_ADDRESS_URL = "opc.udp://224.0.0.22:4840/";
+
+#include "keep_alive_publisher.h"
+#include "keep_alive_subscriber.h"
+
 // CLI arguments handling
 const char *argp_program_version = "OSIE OPC-UA coupler 0.0.1";
 const char *argp_program_bug_address = "ivan@nexedi.com";