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4d12270a | 1 | /* Copyright (c) 2008, 2009, 2010 Nicira Networks |
064af421 | 2 | * |
a14bc59f BP |
3 | * Licensed under the Apache License, Version 2.0 (the "License"); |
4 | * you may not use this file except in compliance with the License. | |
5 | * You may obtain a copy of the License at: | |
064af421 | 6 | * |
a14bc59f | 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
064af421 | 8 | * |
a14bc59f BP |
9 | * Unless required by applicable law or agreed to in writing, software |
10 | * distributed under the License is distributed on an "AS IS" BASIS, | |
11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | * See the License for the specific language governing permissions and | |
13 | * limitations under the License. | |
064af421 BP |
14 | */ |
15 | ||
16 | #include <config.h> | |
17 | ||
18 | #include <assert.h> | |
19 | #include <errno.h> | |
20 | #include <getopt.h> | |
21 | #include <limits.h> | |
22 | #include <signal.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
86a06318 BP |
25 | #ifdef HAVE_MLOCKALL |
26 | #include <sys/mman.h> | |
27 | #endif | |
064af421 BP |
28 | |
29 | #include "bridge.h" | |
064af421 BP |
30 | #include "command-line.h" |
31 | #include "compiler.h" | |
32 | #include "daemon.h" | |
5792c5c6 | 33 | #include "dpif.h" |
614c4892 | 34 | #include "dummy.h" |
064af421 | 35 | #include "leak-checker.h" |
8b61709d | 36 | #include "netdev.h" |
76343538 | 37 | #include "ovsdb-idl.h" |
064af421 | 38 | #include "poll-loop.h" |
064af421 BP |
39 | #include "proc-net-compat.h" |
40 | #include "process.h" | |
41 | #include "signals.h" | |
fe55ad15 | 42 | #include "stream-ssl.h" |
76343538 | 43 | #include "stream.h" |
cc01d0bb | 44 | #include "stress.h" |
064af421 BP |
45 | #include "svec.h" |
46 | #include "timeval.h" | |
47 | #include "unixctl.h" | |
48 | #include "util.h" | |
064af421 | 49 | #include "vconn.h" |
5136ce49 | 50 | #include "vlog.h" |
76343538 | 51 | #include "vswitchd/vswitch-idl.h" |
064af421 | 52 | |
d98e6007 | 53 | VLOG_DEFINE_THIS_MODULE(vswitchd); |
064af421 | 54 | |
9e15c889 BP |
55 | static unixctl_cb_func ovs_vswitchd_exit; |
56 | ||
76343538 | 57 | static const char *parse_options(int argc, char *argv[]); |
064af421 | 58 | static void usage(void) NO_RETURN; |
064af421 BP |
59 | |
60 | int | |
61 | main(int argc, char *argv[]) | |
62 | { | |
63 | struct unixctl_server *unixctl; | |
64 | struct signal *sighup; | |
76343538 | 65 | const char *remote; |
c5187f17 | 66 | bool exiting; |
064af421 BP |
67 | int retval; |
68 | ||
40f0707c | 69 | proctitle_init(argc, argv); |
064af421 | 70 | set_program_name(argv[0]); |
cc01d0bb | 71 | stress_init_command(); |
76343538 | 72 | remote = parse_options(argc, argv); |
064af421 BP |
73 | signal(SIGPIPE, SIG_IGN); |
74 | sighup = signal_register(SIGHUP); | |
75 | process_init(); | |
bd76d25d | 76 | ovsrec_init(); |
064af421 BP |
77 | |
78 | die_if_already_running(); | |
95440284 | 79 | daemonize_start(); |
064af421 BP |
80 | |
81 | retval = unixctl_server_create(NULL, &unixctl); | |
82 | if (retval) { | |
4d12270a | 83 | exit(EXIT_FAILURE); |
064af421 | 84 | } |
9e15c889 | 85 | unixctl_command_register("exit", ovs_vswitchd_exit, &exiting); |
064af421 | 86 | |
95440284 BP |
87 | daemonize_complete(); |
88 | ||
c5187f17 | 89 | bridge_init(remote); |
9e15c889 BP |
90 | exiting = false; |
91 | while (!exiting) { | |
76343538 | 92 | if (signal_poll(sighup)) { |
064af421 | 93 | vlog_reopen_log_file(); |
064af421 | 94 | } |
c5187f17 | 95 | bridge_run(); |
064af421 | 96 | unixctl_server_run(unixctl); |
5792c5c6 | 97 | dp_run(); |
8b61709d | 98 | netdev_run(); |
064af421 | 99 | |
064af421 | 100 | signal_wait(sighup); |
c5187f17 | 101 | bridge_wait(); |
064af421 | 102 | unixctl_server_wait(unixctl); |
5792c5c6 | 103 | dp_wait(); |
8b61709d | 104 | netdev_wait(); |
6d37aaf1 BP |
105 | if (exiting) { |
106 | poll_immediate_wake(); | |
107 | } | |
064af421 BP |
108 | poll_block(); |
109 | } | |
ee45ad81 BP |
110 | bridge_exit(); |
111 | unixctl_server_destroy(unixctl); | |
064af421 BP |
112 | |
113 | return 0; | |
114 | } | |
115 | ||
76343538 | 116 | static const char * |
064af421 BP |
117 | parse_options(int argc, char *argv[]) |
118 | { | |
119 | enum { | |
120 | OPT_PEER_CA_CERT = UCHAR_MAX + 1, | |
86a06318 | 121 | OPT_MLOCKALL, |
064af421 BP |
122 | OPT_FAKE_PROC_NET, |
123 | VLOG_OPTION_ENUMS, | |
6f61c75b | 124 | LEAK_CHECKER_OPTION_ENUMS, |
614c4892 BP |
125 | OPT_BOOTSTRAP_CA_CERT, |
126 | OPT_ENABLE_DUMMY | |
064af421 BP |
127 | }; |
128 | static struct option long_options[] = { | |
129 | {"help", no_argument, 0, 'h'}, | |
130 | {"version", no_argument, 0, 'V'}, | |
86a06318 | 131 | {"mlockall", no_argument, 0, OPT_MLOCKALL}, |
064af421 BP |
132 | {"fake-proc-net", no_argument, 0, OPT_FAKE_PROC_NET}, |
133 | DAEMON_LONG_OPTIONS, | |
134 | VLOG_LONG_OPTIONS, | |
135 | LEAK_CHECKER_LONG_OPTIONS, | |
136 | #ifdef HAVE_OPENSSL | |
fe55ad15 | 137 | STREAM_SSL_LONG_OPTIONS |
064af421 | 138 | {"peer-ca-cert", required_argument, 0, OPT_PEER_CA_CERT}, |
6f61c75b | 139 | {"bootstrap-ca-cert", required_argument, 0, OPT_BOOTSTRAP_CA_CERT}, |
064af421 | 140 | #endif |
614c4892 | 141 | {"enable-dummy", no_argument, 0, OPT_ENABLE_DUMMY}, |
064af421 BP |
142 | {0, 0, 0, 0}, |
143 | }; | |
144 | char *short_options = long_options_to_short_options(long_options); | |
064af421 BP |
145 | int error; |
146 | ||
147 | for (;;) { | |
148 | int c; | |
149 | ||
150 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
151 | if (c == -1) { | |
152 | break; | |
153 | } | |
154 | ||
155 | switch (c) { | |
156 | case 'H': | |
157 | case 'h': | |
158 | usage(); | |
159 | ||
160 | case 'V': | |
161 | OVS_PRINT_VERSION(OFP_VERSION, OFP_VERSION); | |
162 | exit(EXIT_SUCCESS); | |
163 | ||
86a06318 BP |
164 | case OPT_MLOCKALL: |
165 | #ifdef HAVE_MLOCKALL | |
166 | if (mlockall(MCL_CURRENT | MCL_FUTURE)) { | |
167 | VLOG_ERR("mlockall failed: %s", strerror(errno)); | |
168 | } | |
169 | #else | |
170 | VLOG_ERR("mlockall not supported on this system"); | |
171 | #endif | |
172 | break; | |
173 | ||
064af421 BP |
174 | case OPT_FAKE_PROC_NET: |
175 | error = proc_net_compat_init(); | |
176 | if (error) { | |
177 | ovs_fatal(error, "failed to initialize /proc/net " | |
178 | "compatibility"); | |
179 | } | |
180 | break; | |
181 | ||
182 | VLOG_OPTION_HANDLERS | |
183 | DAEMON_OPTION_HANDLERS | |
064af421 BP |
184 | LEAK_CHECKER_OPTION_HANDLERS |
185 | ||
186 | #ifdef HAVE_OPENSSL | |
fe55ad15 BP |
187 | STREAM_SSL_OPTION_HANDLERS |
188 | ||
064af421 | 189 | case OPT_PEER_CA_CERT: |
fe55ad15 | 190 | stream_ssl_set_peer_ca_cert_file(optarg); |
064af421 | 191 | break; |
6f61c75b BP |
192 | |
193 | case OPT_BOOTSTRAP_CA_CERT: | |
194 | stream_ssl_set_ca_cert_file(optarg, true); | |
195 | break; | |
064af421 BP |
196 | #endif |
197 | ||
614c4892 BP |
198 | case OPT_ENABLE_DUMMY: |
199 | dummy_enable(); | |
200 | break; | |
201 | ||
064af421 BP |
202 | case '?': |
203 | exit(EXIT_FAILURE); | |
204 | ||
205 | default: | |
206 | abort(); | |
207 | } | |
208 | } | |
209 | free(short_options); | |
210 | ||
211 | argc -= optind; | |
212 | argv += optind; | |
213 | ||
214 | if (argc != 1) { | |
76343538 | 215 | ovs_fatal(0, "database socket is only non-option argument; " |
064af421 BP |
216 | "use --help for usage"); |
217 | } | |
218 | ||
76343538 | 219 | return argv[0]; |
064af421 BP |
220 | } |
221 | ||
222 | static void | |
223 | usage(void) | |
224 | { | |
f30f26be | 225 | printf("%s: Open vSwitch daemon\n" |
76343538 BP |
226 | "usage: %s [OPTIONS] DATABASE\n" |
227 | "where DATABASE is a socket on which ovsdb-server is listening.\n", | |
064af421 | 228 | program_name, program_name); |
9467fe62 | 229 | stream_usage("DATABASE", true, false, true); |
064af421 BP |
230 | daemon_usage(); |
231 | vlog_usage(); | |
232 | printf("\nLegacy compatibility options:\n" | |
233 | " --fake-proc-net simulate some files in /proc/net\n" | |
234 | "\nOther options:\n" | |
235 | " -h, --help display this help message\n" | |
236 | " -V, --version display version information\n"); | |
237 | leak_checker_usage(); | |
238 | exit(EXIT_SUCCESS); | |
239 | } | |
9e15c889 BP |
240 | |
241 | static void | |
242 | ovs_vswitchd_exit(struct unixctl_conn *conn, const char *args OVS_UNUSED, | |
243 | void *exiting_) | |
244 | { | |
245 | bool *exiting = exiting_; | |
246 | *exiting = true; | |
247 | unixctl_command_reply(conn, 200, NULL); | |
248 | } |