Move to re-usable place.

coupler/opc-ua-server/keep_alive.h

+// global HEART BEATs of coupler
+static unsigned int HEART_BEATS = 0;
+
+// the heart beat interval$$
+const int DEFAULT_HEART_BEAT_INTERVAL = 250;
+static int HEART_BEAT_INTERVAL = DEFAULT_HEART_BEAT_INTERVAL;
+
+// the list of couplers onto which we depend for properly running$
+unsigned int HEART_BEAT_ID_LIST[] = {0, 0, 0, 0, 0, 0, 0, 0};
+
+// the interval for publishing messages$
+const int PUBLISHING_INTERVAL = 100;
+
 // a hard coded writer group, data set and publisher ID$
 // (should be same for publisher / subscriber)$
 const int WRITER_GROUP_ID = 100;

coupler/opc-ua-server/keep_alive_publisher.h

@@ -4,19 +4,6 @@ Keep alive implementation for couplers based on OPC UA's pub/sub mechanism
 
 #include "keep_alive.h"
 
-// global HEART BEATs of coupler$
-static unsigned int HEART_BEATS = 0;
-
-// the heart beat interval$
-const int DEFAULT_HEART_BEAT_INTERVAL = 250;
-static int HEART_BEAT_INTERVAL = DEFAULT_HEART_BEAT_INTERVAL;
-
-// the list of couplers onto which we depend for properly running
-unsigned int HEART_BEAT_ID_LIST[] = {0, 0, 0, 0, 0, 0, 0, 0};
-
-// the interval for publishing messages
-const int PUBLISHING_INTERVAL = 100;
-
 UA_NodeId connectionIdent, publishedDataSetIdent, writerGroupIdent;
 
 static void addPubSubConnection(UA_Server *server, UA_String *transportProfile,