2 * Copyright (c) 2011, 2012, 2013, 2014 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"
38 static void usage(void) NO_RETURN;
39 static void parse_options(int argc, char *argv[]);
41 static unixctl_cb_func test_netflow_exit;
44 print_netflow(struct ofpbuf *buf)
46 const struct netflow_v5_header *hdr;
49 hdr = ofpbuf_try_pull(buf, sizeof *hdr);
51 printf("truncated NetFlow packet header\n");
54 printf("header: v%"PRIu16", "
56 "now %"PRIu32".%09"PRIu32", "
58 "engine %"PRIu8",%"PRIu8,
60 ntohl(hdr->sysuptime),
61 ntohl(hdr->unix_secs), ntohl(hdr->unix_nsecs),
63 hdr->engine_type, hdr->engine_id);
64 if (hdr->sampling_interval != htons(0)) {
65 printf(", interval %"PRIu16, ntohs(hdr->sampling_interval));
69 for (i = 0; i < ntohs(hdr->count); i++) {
70 struct netflow_v5_record *rec;
72 rec = ofpbuf_try_pull(buf, sizeof *rec);
74 printf("truncated NetFlow records\n");
78 printf("seq %"PRIu32": "IP_FMT" > "IP_FMT, ntohl(hdr->flow_seq),
79 IP_ARGS(rec->src_addr), IP_ARGS(rec->dst_addr));
81 printf(", if %"PRIu16" > %"PRIu16,
82 ntohs(rec->input), ntohs(rec->output));
84 printf(", %"PRIu32" pkts, %"PRIu32" bytes",
85 ntohl(rec->packet_count), ntohl(rec->byte_count));
87 switch (rec->ip_proto) {
89 printf(", TCP %"PRIu16" > %"PRIu16,
90 ntohs(rec->src_port), ntohs(rec->dst_port));
92 struct ds s = DS_EMPTY_INITIALIZER;
93 packet_format_tcp_flags(&s, rec->tcp_flags);
94 printf(" %s", ds_cstr(&s));
100 printf(", UDP %"PRIu16" > %"PRIu16,
101 ntohs(rec->src_port), ntohs(rec->dst_port));
105 printf(", SCTP %"PRIu16" > %"PRIu16,
106 ntohs(rec->src_port), ntohs(rec->dst_port));
110 printf(", ICMP %"PRIu16":%"PRIu16,
111 ntohs(rec->dst_port) >> 8,
112 ntohs(rec->dst_port) & 0xff);
113 if (rec->src_port != htons(0)) {
114 printf(", src_port=%"PRIu16, ntohs(rec->src_port));
119 printf(", proto %"PRIu8, rec->ip_proto);
123 if (rec->ip_proto != IPPROTO_TCP && rec->tcp_flags != 0) {
124 printf(", flags %"PRIx8, rec->tcp_flags);
127 if (rec->ip_proto != IPPROTO_TCP &&
128 rec->ip_proto != IPPROTO_UDP &&
129 rec->ip_proto != IPPROTO_SCTP &&
130 rec->ip_proto != IPPROTO_ICMP) {
131 if (rec->src_port != htons(0)) {
132 printf(", src_port %"PRIu16, ntohs(rec->src_port));
134 if (rec->dst_port != htons(0)) {
135 printf(", dst_port %"PRIu16, ntohs(rec->dst_port));
140 printf(", TOS %"PRIx8, rec->ip_tos);
143 printf(", time %"PRIu32"...%"PRIu32,
144 ntohl(rec->init_time), ntohl(rec->used_time));
146 if (rec->nexthop != htonl(0)) {
147 printf(", nexthop "IP_FMT, IP_ARGS(rec->nexthop));
149 if (rec->src_as != htons(0) || rec->dst_as != htons(0)) {
150 printf(", AS %"PRIu16" > %"PRIu16,
151 ntohs(rec->src_as), ntohs(rec->dst_as));
153 if (rec->src_mask != 0 || rec->dst_mask != 0) {
154 printf(", mask %"PRIu8" > %"PRIu8, rec->src_mask, rec->dst_mask);
157 printf(", pad1 %"PRIu8, rec->pad1);
159 if (rec->pad[0] || rec->pad[1]) {
160 printf(", pad %"PRIu8", %"PRIu8, rec->pad[0], rec->pad[1]);
165 if (ofpbuf_size(buf)) {
166 printf("%"PRIu32" extra bytes after last record\n", ofpbuf_size(buf));
171 test_netflow_main(int argc, char *argv[])
173 struct unixctl_server *server;
174 enum { MAX_RECV = 1500 };
177 bool exiting = false;
182 proctitle_init(argc, argv);
183 set_program_name(argv[0]);
184 parse_options(argc, argv);
186 if (argc - optind != 1) {
187 ovs_fatal(0, "exactly one non-option argument required "
188 "(use --help for help)");
190 target = argv[optind];
192 sock = inet_open_passive(SOCK_DGRAM, target, 0, NULL, 0);
194 ovs_fatal(0, "%s: failed to open (%s)", argv[1], ovs_strerror(-sock));
197 daemon_save_fd(STDOUT_FILENO);
200 error = unixctl_server_create(NULL, &server);
202 ovs_fatal(error, "failed to create unixctl server");
204 unixctl_command_register("exit", "", 0, 0, test_netflow_exit, &exiting);
206 daemonize_complete();
208 ofpbuf_init(&buf, MAX_RECV);
213 unixctl_server_run(server);
217 retval = read(sock, ofpbuf_data(&buf), buf.allocated);
218 } while (retval < 0 && errno == EINTR);
220 ofpbuf_put_uninit(&buf, retval);
232 poll_fd_wait(sock, POLLIN);
233 unixctl_server_wait(server);
239 parse_options(int argc, char *argv[])
245 static const struct option long_options[] = {
246 {"help", no_argument, NULL, 'h'},
251 char *short_options = long_options_to_short_options(long_options);
254 int c = getopt_long(argc, argv, short_options, long_options, NULL);
263 DAEMON_OPTION_HANDLERS
279 printf("%s: netflow collector test utility\n"
280 "usage: %s [OPTIONS] PORT[:IP]\n"
281 "where PORT is the UDP port to listen on and IP is optionally\n"
282 "the IP address to listen on.\n",
283 program_name, program_name);
286 printf("\nOther options:\n"
287 " -h, --help display this help message\n");
292 test_netflow_exit(struct unixctl_conn *conn,
293 int argc OVS_UNUSED, const char *argv[] OVS_UNUSED,
296 bool *exiting = exiting_;
298 unixctl_command_reply(conn, NULL);
301 OVSTEST_REGISTER("test-netflow", test_netflow_main);