char ka_message[KA_MESSAGE_SIZE] {};
int ka_message_length = 0;
char rmrAddress[256] {}; // "tcp:port number" "tcp:5566" listen to all address on port 5566
char ka_message[KA_MESSAGE_SIZE] {};
int ka_message_length = 0;
char rmrAddress[256] {}; // "tcp:port number" "tcp:5566" listen to all address on port 5566