(Logical change 1.3)
diff --git a/ip/rtmon.c b/ip/rtmon.c
index e69de29..d01bc63 100644
--- a/ip/rtmon.c
+++ b/ip/rtmon.c
@@ -0,0 +1,177 @@
+/*
+ * rtmon.c RTnetlink listener.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <syslog.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <string.h>
+
+#include "SNAPSHOT.h"
+
+#include "utils.h"
+#include "libnetlink.h"
+
+int resolve_hosts = 0;
+static int init_phase = 1;
+
+static void write_stamp(FILE *fp)
+{
+ char buf[128];
+ struct nlmsghdr *n1 = (void*)buf;
+ struct timeval tv;
+
+ n1->nlmsg_type = 15;
+ n1->nlmsg_flags = 0;
+ n1->nlmsg_seq = 0;
+ n1->nlmsg_pid = 0;
+ n1->nlmsg_len = NLMSG_LENGTH(4*2);
+ gettimeofday(&tv, NULL);
+ ((__u32*)NLMSG_DATA(n1))[0] = tv.tv_sec;
+ ((__u32*)NLMSG_DATA(n1))[1] = tv.tv_usec;
+ fwrite((void*)n1, 1, NLMSG_ALIGN(n1->nlmsg_len), fp);
+}
+
+static int dump_msg(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
+{
+ FILE *fp = (FILE*)arg;
+ if (!init_phase)
+ write_stamp(fp);
+ fwrite((void*)n, 1, NLMSG_ALIGN(n->nlmsg_len), fp);
+ fflush(fp);
+ return 0;
+}
+
+void usage(void)
+{
+ fprintf(stderr, "Usage: rtmon file FILE [ all | LISTofOBJECTS]\n");
+ fprintf(stderr, "LISTofOBJECTS := [ link ] [ address ] [ route ]\n");
+ exit(-1);
+}
+
+int
+main(int argc, char **argv)
+{
+ FILE *fp;
+ struct rtnl_handle rth;
+ int family = AF_UNSPEC;
+ unsigned groups = ~0U;
+ int llink = 0;
+ int laddr = 0;
+ int lroute = 0;
+ char *file = NULL;
+
+ while (argc > 1) {
+ if (matches(argv[1], "-family") == 0) {
+ argc--;
+ argv++;
+ if (argc <= 1)
+ usage();
+ if (strcmp(argv[1], "inet") == 0)
+ family = AF_INET;
+ else if (strcmp(argv[1], "inet6") == 0)
+ family = AF_INET6;
+ else if (strcmp(argv[1], "link") == 0)
+ family = AF_INET6;
+ else if (strcmp(argv[1], "help") == 0)
+ usage();
+ else {
+ fprintf(stderr, "Protocol ID \"%s\" is unknown, try \"rtmon help\".\n", argv[1]);
+ exit(-1);
+ }
+ } else if (strcmp(argv[1], "-4") == 0) {
+ family = AF_INET;
+ } else if (strcmp(argv[1], "-6") == 0) {
+ family = AF_INET6;
+ } else if (strcmp(argv[1], "-0") == 0) {
+ family = AF_PACKET;
+ } else if (matches(argv[1], "-Version") == 0) {
+ printf("rtmon utility, iproute2-ss%s\n", SNAPSHOT);
+ exit(0);
+ } else if (matches(argv[1], "file") == 0) {
+ argc--;
+ argv++;
+ if (argc <= 1)
+ usage();
+ file = argv[1];
+ } else if (matches(argv[1], "link") == 0) {
+ llink=1;
+ groups = 0;
+ } else if (matches(argv[1], "address") == 0) {
+ laddr=1;
+ groups = 0;
+ } else if (matches(argv[1], "route") == 0) {
+ lroute=1;
+ groups = 0;
+ } else if (strcmp(argv[1], "all") == 0) {
+ groups = ~0U;
+ } else if (matches(argv[1], "help") == 0) {
+ usage();
+ } else {
+ fprintf(stderr, "Argument \"%s\" is unknown, try \"rtmon help\".\n", argv[1]);
+ exit(-1);
+ }
+ argc--; argv++;
+ }
+
+ if (file == NULL) {
+ fprintf(stderr, "Not enough information: argument \"file\" is required\n");
+ exit(-1);
+ }
+ if (llink)
+ groups |= RTMGRP_LINK;
+ if (laddr) {
+ if (!family || family == AF_INET)
+ groups |= RTMGRP_IPV4_IFADDR;
+ if (!family || family == AF_INET6)
+ groups |= RTMGRP_IPV6_IFADDR;
+ }
+ if (lroute) {
+ if (!family || family == AF_INET)
+ groups |= RTMGRP_IPV4_ROUTE;
+ if (!family || family == AF_INET6)
+ groups |= RTMGRP_IPV6_ROUTE;
+ }
+
+ fp = fopen(file, "w");
+ if (fp == NULL) {
+ perror("Cannot fopen");
+ exit(-1);
+ }
+
+ if (rtnl_open(&rth, groups) < 0)
+ exit(1);
+
+ if (rtnl_wilddump_request(&rth, AF_UNSPEC, RTM_GETLINK) < 0) {
+ perror("Cannot send dump request");
+ exit(1);
+ }
+
+ write_stamp(fp);
+
+ if (rtnl_dump_filter(&rth, dump_msg, fp, NULL, NULL) < 0) {
+ fprintf(stderr, "Dump terminated\n");
+ return 1;
+ }
+
+ init_phase = 0;
+
+ if (rtnl_listen(&rth, dump_msg, (void*)fp) < 0)
+ exit(2);
+
+ exit(0);
+}