--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rvinterf/rvtdump_tx.c	Wed Nov 20 05:39:31 2013 +0000
@@ -0,0 +1,70 @@
+/*
+ * This module contains the implementation of the Tx extension to rvtdump
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <stdio.h>
+#include <string.h>
+#include <strings.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "txpkt.h"
+
+static char sockpath[] = "/tmp/rvt_send_socket";
+
+int sendsock_fd;
+u_char sendsock_pkt[MAX_PKT_TO_TARGET];
+int sendsock_pktlen;
+
+create_send_socket()
+{
+	/* local socket binding voodoo copied from osmocon */
+	struct sockaddr_un local;
+	unsigned int namelen;
+	int rc;
+
+	sendsock_fd = socket(AF_UNIX, SOCK_DGRAM, 0);
+	if (sendsock_fd < 0) {
+		perror("socket(AF_UNIX, SOCK_DGRAM, 0)");
+		exit(1);
+	}
+
+	local.sun_family = AF_UNIX;
+	strncpy(local.sun_path, sockpath, sizeof(local.sun_path));
+	local.sun_path[sizeof(local.sun_path) - 1] = '\0';
+	unlink(local.sun_path);
+
+	/* we use the same magic that X11 uses in Xtranssock.c for
+	 * calculating the proper length of the sockaddr */
+#if defined(BSD44SOCKETS) || defined(__UNIXWARE__)
+	local.sun_len = strlen(local.sun_path);
+#endif
+#if defined(BSD44SOCKETS) || defined(SUN_LEN)
+	namelen = SUN_LEN(&local);
+#else
+	namelen = strlen(local.sun_path) +
+		  offsetof(struct sockaddr_un, sun_path);
+#endif
+
+	rc = bind(sendsock_fd, (struct sockaddr *) &local, namelen);
+	if (rc != 0) {
+		perror("bind on local dgram socket");
+		exit(1);
+	}
+
+	return(0);
+}
+
+handle_sendsock()
+{
+	sendsock_pktlen = recv(sendsock_fd, sendsock_pkt, MAX_PKT_TO_TARGET, 0);
+	if (sendsock_pktlen <= 0) {
+		fprintf(stderr, "return value from recv on socket: %d\n",
+			sendsock_pktlen);
+		exit(1);
+	}
+	send_pkt_to_target(sendsock_pkt, sendsock_pktlen);
+	log_sent_packet(sendsock_pkt, sendsock_pktlen);
+}