+static int
+vubr_parse_host_port(const char **host, const char **port, const char *buf)
+{
+ char *p = strchr(buf, ':');
+
+ if (!p) {
+ return -1;
+ }
+ *p = '\0';
+ *host = strdup(buf);
+ *port = strdup(p + 1);
+ return 0;
+}
+
+#define DEFAULT_UD_SOCKET "/tmp/vubr.sock"
+#define DEFAULT_LHOST "127.0.0.1"
+#define DEFAULT_LPORT "4444"
+#define DEFAULT_RHOST "127.0.0.1"
+#define DEFAULT_RPORT "5555"
+
+static const char *ud_socket_path = DEFAULT_UD_SOCKET;
+static const char *lhost = DEFAULT_LHOST;
+static const char *lport = DEFAULT_LPORT;
+static const char *rhost = DEFAULT_RHOST;
+static const char *rport = DEFAULT_RPORT;
+