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74e98efd | 1 | /* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Nicira, Inc. |
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 | ||
064af421 BP |
18 | #include <errno.h> |
19 | #include <getopt.h> | |
20 | #include <limits.h> | |
21 | #include <signal.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
86a06318 BP |
24 | #ifdef HAVE_MLOCKALL |
25 | #include <sys/mman.h> | |
26 | #endif | |
064af421 BP |
27 | |
28 | #include "bridge.h" | |
064af421 BP |
29 | #include "command-line.h" |
30 | #include "compiler.h" | |
31 | #include "daemon.h" | |
80df177a | 32 | #include "dirs.h" |
579a77e0 | 33 | #include "dpif.h" |
614c4892 | 34 | #include "dummy.h" |
8a777cf6 | 35 | #include "fatal-signal.h" |
0d085684 | 36 | #include "memory.h" |
8b61709d | 37 | #include "netdev.h" |
3021ea60 | 38 | #include "openflow/openflow.h" |
76343538 | 39 | #include "ovsdb-idl.h" |
9a3cf0ac | 40 | #include "ovs-rcu.h" |
898d7b05 | 41 | #include "ovs-router.h" |
91b8ec6c | 42 | #include "ovs-thread.h" |
fd016ae3 | 43 | #include "openvswitch/poll-loop.h" |
0d085684 | 44 | #include "simap.h" |
fe55ad15 | 45 | #include "stream-ssl.h" |
76343538 | 46 | #include "stream.h" |
064af421 BP |
47 | #include "svec.h" |
48 | #include "timeval.h" | |
49 | #include "unixctl.h" | |
50 | #include "util.h" | |
4a1f523f | 51 | #include "openvswitch/vconn.h" |
e6211adc | 52 | #include "openvswitch/vlog.h" |
eaa67ba8 | 53 | #include "lib/vswitch-idl.h" |
771680d9 | 54 | #include "lib/dns-resolve.h" |
064af421 | 55 | |
d98e6007 | 56 | VLOG_DEFINE_THIS_MODULE(vswitchd); |
064af421 | 57 | |
908ff19a BP |
58 | /* --mlockall: If set, locks all process memory into physical RAM, preventing |
59 | * the kernel from paging any of its memory to disk. */ | |
60 | static bool want_mlockall; | |
61 | ||
9e15c889 BP |
62 | static unixctl_cb_func ovs_vswitchd_exit; |
63 | ||
3542148e | 64 | static char *parse_options(int argc, char *argv[], char **unixctl_path); |
cab50449 | 65 | OVS_NO_RETURN static void usage(void); |
064af421 | 66 | |
fe13ccdc AZ |
67 | struct ovs_vswitchd_exit_args { |
68 | bool *exiting; | |
69 | bool *cleanup; | |
70 | }; | |
71 | ||
064af421 BP |
72 | int |
73 | main(int argc, char *argv[]) | |
74 | { | |
3542148e | 75 | char *unixctl_path = NULL; |
064af421 | 76 | struct unixctl_server *unixctl; |
80df177a | 77 | char *remote; |
fe13ccdc AZ |
78 | bool exiting, cleanup; |
79 | struct ovs_vswitchd_exit_args exit_args = {&exiting, &cleanup}; | |
064af421 BP |
80 | int retval; |
81 | ||
82 | set_program_name(argv[0]); | |
91b8ec6c | 83 | ovsthread_id_init(); |
8a9562d2 | 84 | |
771680d9 | 85 | dns_resolve_init(true); |
5f383751 | 86 | ovs_cmdl_proctitle_init(argc, argv); |
42dd41ef | 87 | service_start(&argc, &argv); |
3542148e | 88 | remote = parse_options(argc, argv, &unixctl_path); |
8a777cf6 | 89 | fatal_ignore_sigpipe(); |
064af421 | 90 | |
e91b927d | 91 | daemonize_start(true); |
064af421 | 92 | |
908ff19a BP |
93 | if (want_mlockall) { |
94 | #ifdef HAVE_MLOCKALL | |
95 | if (mlockall(MCL_CURRENT | MCL_FUTURE)) { | |
10a89ef0 | 96 | VLOG_ERR("mlockall failed: %s", ovs_strerror(errno)); |
908ff19a BP |
97 | } |
98 | #else | |
99 | VLOG_ERR("mlockall not supported on this system"); | |
100 | #endif | |
101 | } | |
102 | ||
3542148e | 103 | retval = unixctl_server_create(unixctl_path, &unixctl); |
064af421 | 104 | if (retval) { |
4d12270a | 105 | exit(EXIT_FAILURE); |
064af421 | 106 | } |
fe13ccdc AZ |
107 | unixctl_command_register("exit", "[--cleanup]", 0, 1, |
108 | ovs_vswitchd_exit, &exit_args); | |
064af421 | 109 | |
c5187f17 | 110 | bridge_init(remote); |
80df177a BP |
111 | free(remote); |
112 | ||
9e15c889 | 113 | exiting = false; |
fe13ccdc | 114 | cleanup = false; |
9e15c889 | 115 | while (!exiting) { |
0d085684 BP |
116 | memory_run(); |
117 | if (memory_should_report()) { | |
118 | struct simap usage; | |
119 | ||
120 | simap_init(&usage); | |
121 | bridge_get_memory_usage(&usage); | |
122 | memory_report(&usage); | |
123 | simap_destroy(&usage); | |
124 | } | |
c5187f17 | 125 | bridge_run(); |
064af421 | 126 | unixctl_server_run(unixctl); |
8b61709d | 127 | netdev_run(); |
064af421 | 128 | |
0d085684 | 129 | memory_wait(); |
c5187f17 | 130 | bridge_wait(); |
064af421 | 131 | unixctl_server_wait(unixctl); |
8b61709d | 132 | netdev_wait(); |
6d37aaf1 BP |
133 | if (exiting) { |
134 | poll_immediate_wake(); | |
135 | } | |
064af421 | 136 | poll_block(); |
42dd41ef GS |
137 | if (should_service_stop()) { |
138 | exiting = true; | |
139 | } | |
064af421 | 140 | } |
fe13ccdc | 141 | bridge_exit(cleanup); |
ee45ad81 | 142 | unixctl_server_destroy(unixctl); |
42dd41ef | 143 | service_stop(); |
93f55842 | 144 | vlog_disable_async(); |
9a3cf0ac | 145 | ovsrcu_exit(); |
771680d9 | 146 | dns_resolve_destroy(); |
064af421 BP |
147 | |
148 | return 0; | |
149 | } | |
150 | ||
80df177a | 151 | static char * |
3542148e | 152 | parse_options(int argc, char *argv[], char **unixctl_pathp) |
064af421 BP |
153 | { |
154 | enum { | |
155 | OPT_PEER_CA_CERT = UCHAR_MAX + 1, | |
86a06318 | 156 | OPT_MLOCKALL, |
3542148e | 157 | OPT_UNIXCTL, |
064af421 | 158 | VLOG_OPTION_ENUMS, |
614c4892 | 159 | OPT_BOOTSTRAP_CA_CERT, |
8274ae95 | 160 | OPT_ENABLE_DUMMY, |
579a77e0 | 161 | OPT_DISABLE_SYSTEM, |
8a9562d2 PS |
162 | DAEMON_OPTION_ENUMS, |
163 | OPT_DPDK, | |
e18a1d08 | 164 | SSL_OPTION_ENUMS, |
b4e28b7f | 165 | OPT_DUMMY_NUMA, |
064af421 | 166 | }; |
07fc4ed3 | 167 | static const struct option long_options[] = { |
e3c17733 BP |
168 | {"help", no_argument, NULL, 'h'}, |
169 | {"version", no_argument, NULL, 'V'}, | |
170 | {"mlockall", no_argument, NULL, OPT_MLOCKALL}, | |
3542148e | 171 | {"unixctl", required_argument, NULL, OPT_UNIXCTL}, |
064af421 BP |
172 | DAEMON_LONG_OPTIONS, |
173 | VLOG_LONG_OPTIONS, | |
bf8f2167 | 174 | STREAM_SSL_LONG_OPTIONS, |
e3c17733 BP |
175 | {"peer-ca-cert", required_argument, NULL, OPT_PEER_CA_CERT}, |
176 | {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT}, | |
0cbfe35d | 177 | {"enable-dummy", optional_argument, NULL, OPT_ENABLE_DUMMY}, |
579a77e0 | 178 | {"disable-system", no_argument, NULL, OPT_DISABLE_SYSTEM}, |
bab69409 | 179 | {"dpdk", optional_argument, NULL, OPT_DPDK}, |
b4e28b7f | 180 | {"dummy-numa", required_argument, NULL, OPT_DUMMY_NUMA}, |
e3c17733 | 181 | {NULL, 0, NULL, 0}, |
064af421 | 182 | }; |
5f383751 | 183 | char *short_options = ovs_cmdl_long_options_to_short_options(long_options); |
064af421 BP |
184 | |
185 | for (;;) { | |
186 | int c; | |
187 | ||
188 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
189 | if (c == -1) { | |
190 | break; | |
191 | } | |
192 | ||
193 | switch (c) { | |
064af421 BP |
194 | case 'h': |
195 | usage(); | |
196 | ||
197 | case 'V': | |
11b06842 | 198 | ovs_print_version(0, 0); |
40c23a57 | 199 | print_dpdk_version(); |
064af421 BP |
200 | exit(EXIT_SUCCESS); |
201 | ||
86a06318 | 202 | case OPT_MLOCKALL: |
908ff19a | 203 | want_mlockall = true; |
86a06318 BP |
204 | break; |
205 | ||
3542148e AL |
206 | case OPT_UNIXCTL: |
207 | *unixctl_pathp = optarg; | |
208 | break; | |
209 | ||
064af421 BP |
210 | VLOG_OPTION_HANDLERS |
211 | DAEMON_OPTION_HANDLERS | |
fe55ad15 BP |
212 | STREAM_SSL_OPTION_HANDLERS |
213 | ||
064af421 | 214 | case OPT_PEER_CA_CERT: |
fe55ad15 | 215 | stream_ssl_set_peer_ca_cert_file(optarg); |
064af421 | 216 | break; |
6f61c75b BP |
217 | |
218 | case OPT_BOOTSTRAP_CA_CERT: | |
219 | stream_ssl_set_ca_cert_file(optarg, true); | |
220 | break; | |
064af421 | 221 | |
614c4892 | 222 | case OPT_ENABLE_DUMMY: |
8420c7ad | 223 | dummy_enable(optarg); |
614c4892 BP |
224 | break; |
225 | ||
579a77e0 EJ |
226 | case OPT_DISABLE_SYSTEM: |
227 | dp_blacklist_provider("system"); | |
898d7b05 | 228 | ovs_router_disable_system_routing_table(); |
579a77e0 EJ |
229 | break; |
230 | ||
064af421 BP |
231 | case '?': |
232 | exit(EXIT_FAILURE); | |
233 | ||
8a9562d2 | 234 | case OPT_DPDK: |
bab69409 | 235 | ovs_fatal(0, "Using --dpdk to configure DPDK is not supported."); |
8a9562d2 PS |
236 | break; |
237 | ||
b4e28b7f DDP |
238 | case OPT_DUMMY_NUMA: |
239 | ovs_numa_set_dummy(optarg); | |
240 | break; | |
241 | ||
064af421 BP |
242 | default: |
243 | abort(); | |
244 | } | |
245 | } | |
246 | free(short_options); | |
247 | ||
248 | argc -= optind; | |
249 | argv += optind; | |
250 | ||
80df177a BP |
251 | switch (argc) { |
252 | case 0: | |
253 | return xasprintf("unix:%s/db.sock", ovs_rundir()); | |
254 | ||
255 | case 1: | |
256 | return xstrdup(argv[0]); | |
257 | ||
258 | default: | |
259 | VLOG_FATAL("at most one non-option argument accepted; " | |
279c9e03 | 260 | "use --help for usage"); |
064af421 | 261 | } |
064af421 BP |
262 | } |
263 | ||
264 | static void | |
265 | usage(void) | |
266 | { | |
f30f26be | 267 | printf("%s: Open vSwitch daemon\n" |
80df177a BP |
268 | "usage: %s [OPTIONS] [DATABASE]\n" |
269 | "where DATABASE is a socket on which ovsdb-server is listening\n" | |
270 | " (default: \"unix:%s/db.sock\").\n", | |
271 | program_name, program_name, ovs_rundir()); | |
9467fe62 | 272 | stream_usage("DATABASE", true, false, true); |
064af421 BP |
273 | daemon_usage(); |
274 | vlog_usage(); | |
d1279464 | 275 | printf("\nDPDK options:\n" |
bab69409 AC |
276 | "Configuration of DPDK via command-line is removed from this\n" |
277 | "version of Open vSwitch. DPDK is configured through ovsdb.\n" | |
278 | ); | |
0b8b6f71 | 279 | printf("\nOther options:\n" |
58397e6c KT |
280 | " --unixctl=SOCKET override default control socket name\n" |
281 | " -h, --help display this help message\n" | |
282 | " -V, --version display version information\n"); | |
064af421 BP |
283 | exit(EXIT_SUCCESS); |
284 | } | |
9e15c889 BP |
285 | |
286 | static void | |
fe13ccdc AZ |
287 | ovs_vswitchd_exit(struct unixctl_conn *conn, int argc, |
288 | const char *argv[], void *exit_args_) | |
9e15c889 | 289 | { |
fe13ccdc AZ |
290 | struct ovs_vswitchd_exit_args *exit_args = exit_args_; |
291 | *exit_args->exiting = true; | |
292 | *exit_args->cleanup = argc == 2 && !strcmp(argv[1], "--cleanup"); | |
bde9f75d | 293 | unixctl_command_reply(conn, NULL); |
9e15c889 | 294 | } |