2 * Copyright (c) 2011, 2012 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
25 #include "command-line.h"
27 #include "dynamic-string.h"
31 #include "poll-loop.h"
32 #include "socket-util.h"
37 static void usage(void) NO_RETURN;
38 static void parse_options(int argc, char *argv[]);
40 static unixctl_cb_func test_netflow_exit;
43 print_netflow(struct ofpbuf *buf)
45 const struct netflow_v5_header *hdr;
48 hdr = ofpbuf_try_pull(buf, sizeof *hdr);
50 printf("truncated NetFlow packet header\n");
53 printf("header: v%"PRIu16", "
55 "now %"PRIu32".%09"PRIu32", "
57 "engine %"PRIu8",%"PRIu8,
59 ntohl(hdr->sysuptime),
60 ntohl(hdr->unix_secs), ntohl(hdr->unix_nsecs),
62 hdr->engine_type, hdr->engine_id);
63 if (hdr->sampling_interval != htons(0)) {
64 printf(", interval %"PRIu16, ntohs(hdr->sampling_interval));
68 for (i = 0; i < ntohs(hdr->count); i++) {
69 struct netflow_v5_record *rec;
71 rec = ofpbuf_try_pull(buf, sizeof *rec);
73 printf("truncated NetFlow records\n");
77 printf("rec: "IP_FMT" > "IP_FMT,
78 IP_ARGS(&rec->src_addr), IP_ARGS(&rec->dst_addr));
80 printf(", if %"PRIu16" > %"PRIu16,
81 ntohs(rec->input), ntohs(rec->output));
83 printf(", %"PRIu32" pkts, %"PRIu32" bytes",
84 ntohl(rec->packet_count), ntohl(rec->byte_count));
86 switch (rec->ip_proto) {
88 printf(", TCP %"PRIu16" > %"PRIu16,
89 ntohs(rec->src_port), ntohs(rec->dst_port));
91 struct ds s = DS_EMPTY_INITIALIZER;
92 packet_format_tcp_flags(&s, rec->tcp_flags);
93 printf(" %s", ds_cstr(&s));
99 printf(", UDP %"PRIu16" > %"PRIu16,
100 ntohs(rec->src_port), ntohs(rec->dst_port));
104 printf(", ICMP %"PRIu16":%"PRIu16,
105 ntohs(rec->dst_port) >> 8,
106 ntohs(rec->dst_port) & 0xff);
107 if (rec->src_port != htons(0)) {
108 printf(", src_port=%"PRIu16, ntohs(rec->src_port));
113 printf(", proto %"PRIu8, rec->ip_proto);
117 if (rec->ip_proto != IPPROTO_TCP && rec->tcp_flags != 0) {
118 printf(", flags %"PRIx8, rec->tcp_flags);
121 if (rec->ip_proto != IPPROTO_TCP &&
122 rec->ip_proto != IPPROTO_UDP &&
123 rec->ip_proto != IPPROTO_ICMP) {
124 if (rec->src_port != htons(0)) {
125 printf(", src_port %"PRIu16, ntohs(rec->src_port));
127 if (rec->dst_port != htons(0)) {
128 printf(", dst_port %"PRIu16, ntohs(rec->dst_port));
133 printf(", TOS %"PRIx8, rec->ip_tos);
136 printf(", time %"PRIu32"...%"PRIu32,
137 ntohl(rec->init_time), ntohl(rec->used_time));
139 if (rec->nexthop != htonl(0)) {
140 printf(", nexthop "IP_FMT, IP_ARGS(&rec->nexthop));
142 if (rec->src_as != htons(0) || rec->dst_as != htons(0)) {
143 printf(", AS %"PRIu16" > %"PRIu16,
144 ntohs(rec->src_as), ntohs(rec->dst_as));
146 if (rec->src_mask != 0 || rec->dst_mask != 0) {
147 printf(", mask %"PRIu8" > %"PRIu8, rec->src_mask, rec->dst_mask);
150 printf(", pad1 %"PRIu8, rec->pad1);
152 if (rec->pad[0] || rec->pad[1]) {
153 printf(", pad %"PRIu8", %"PRIu8, rec->pad[0], rec->pad[1]);
159 printf("%zu extra bytes after last record\n", buf->size);
164 main(int argc, char *argv[])
166 struct unixctl_server *server;
167 enum { MAX_RECV = 1500 };
170 bool exiting = false;
175 proctitle_init(argc, argv);
176 set_program_name(argv[0]);
177 parse_options(argc, argv);
179 if (argc - optind != 1) {
180 ovs_fatal(0, "exactly one non-option argument required "
181 "(use --help for help)");
183 target = argv[optind];
185 sock = inet_open_passive(SOCK_DGRAM, target, 0, NULL, 0);
187 ovs_fatal(0, "%s: failed to open (%s)", argv[1], strerror(-sock));
190 daemon_save_fd(STDOUT_FILENO);
193 error = unixctl_server_create(NULL, &server);
195 ovs_fatal(error, "failed to create unixctl server");
197 unixctl_command_register("exit", "", 0, 0, test_netflow_exit, &exiting);
199 daemonize_complete();
201 ofpbuf_init(&buf, MAX_RECV);
206 unixctl_server_run(server);
210 retval = read(sock, buf.data, buf.allocated);
211 } while (retval < 0 && errno == EINTR);
213 ofpbuf_put_uninit(&buf, retval);
225 poll_fd_wait(sock, POLLIN);
226 unixctl_server_wait(server);
234 parse_options(int argc, char *argv[])
239 static struct option long_options[] = {
240 {"verbose", optional_argument, NULL, 'v'},
241 {"help", no_argument, NULL, 'h'},
245 char *short_options = long_options_to_short_options(long_options);
248 int c = getopt_long(argc, argv, short_options, long_options, NULL);
258 vlog_set_verbosity(optarg);
261 DAEMON_OPTION_HANDLERS
276 printf("%s: netflow collector test utility\n"
277 "usage: %s [OPTIONS] PORT[:IP]\n"
278 "where PORT is the UDP port to listen on and IP is optionally\n"
279 "the IP address to listen on.\n",
280 program_name, program_name);
283 printf("\nOther options:\n"
284 " -h, --help display this help message\n");
289 test_netflow_exit(struct unixctl_conn *conn,
290 int argc OVS_UNUSED, const char *argv[] OVS_UNUSED,
293 bool *exiting = exiting_;
295 unixctl_command_reply(conn, NULL);