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ecb229be | 1 | /* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 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" |
064af421 | 40 | #include "poll-loop.h" |
0d085684 | 41 | #include "simap.h" |
fe55ad15 | 42 | #include "stream-ssl.h" |
76343538 | 43 | #include "stream.h" |
064af421 BP |
44 | #include "svec.h" |
45 | #include "timeval.h" | |
46 | #include "unixctl.h" | |
47 | #include "util.h" | |
4a1f523f | 48 | #include "openvswitch/vconn.h" |
e6211adc | 49 | #include "openvswitch/vlog.h" |
eaa67ba8 | 50 | #include "lib/vswitch-idl.h" |
8a9562d2 | 51 | #include "lib/netdev-dpdk.h" |
064af421 | 52 | |
d98e6007 | 53 | VLOG_DEFINE_THIS_MODULE(vswitchd); |
064af421 | 54 | |
908ff19a BP |
55 | /* --mlockall: If set, locks all process memory into physical RAM, preventing |
56 | * the kernel from paging any of its memory to disk. */ | |
57 | static bool want_mlockall; | |
58 | ||
9e15c889 BP |
59 | static unixctl_cb_func ovs_vswitchd_exit; |
60 | ||
3542148e | 61 | static char *parse_options(int argc, char *argv[], char **unixctl_path); |
cab50449 | 62 | OVS_NO_RETURN static void usage(void); |
064af421 BP |
63 | |
64 | int | |
65 | main(int argc, char *argv[]) | |
66 | { | |
3542148e | 67 | char *unixctl_path = NULL; |
064af421 | 68 | struct unixctl_server *unixctl; |
80df177a | 69 | char *remote; |
c5187f17 | 70 | bool exiting; |
064af421 BP |
71 | int retval; |
72 | ||
73 | set_program_name(argv[0]); | |
8a9562d2 PS |
74 | retval = dpdk_init(argc,argv); |
75 | argc -= retval; | |
76 | argv += retval; | |
77 | ||
5f383751 | 78 | ovs_cmdl_proctitle_init(argc, argv); |
42dd41ef | 79 | service_start(&argc, &argv); |
3542148e | 80 | remote = parse_options(argc, argv, &unixctl_path); |
8a777cf6 | 81 | fatal_ignore_sigpipe(); |
bd76d25d | 82 | ovsrec_init(); |
064af421 | 83 | |
95440284 | 84 | daemonize_start(); |
064af421 | 85 | |
908ff19a BP |
86 | if (want_mlockall) { |
87 | #ifdef HAVE_MLOCKALL | |
88 | if (mlockall(MCL_CURRENT | MCL_FUTURE)) { | |
10a89ef0 | 89 | VLOG_ERR("mlockall failed: %s", ovs_strerror(errno)); |
908ff19a BP |
90 | } |
91 | #else | |
92 | VLOG_ERR("mlockall not supported on this system"); | |
93 | #endif | |
94 | } | |
95 | ||
3542148e | 96 | retval = unixctl_server_create(unixctl_path, &unixctl); |
064af421 | 97 | if (retval) { |
4d12270a | 98 | exit(EXIT_FAILURE); |
064af421 | 99 | } |
0e15264f | 100 | unixctl_command_register("exit", "", 0, 0, ovs_vswitchd_exit, &exiting); |
064af421 | 101 | |
c5187f17 | 102 | bridge_init(remote); |
80df177a BP |
103 | free(remote); |
104 | ||
9e15c889 BP |
105 | exiting = false; |
106 | while (!exiting) { | |
0d085684 BP |
107 | memory_run(); |
108 | if (memory_should_report()) { | |
109 | struct simap usage; | |
110 | ||
111 | simap_init(&usage); | |
112 | bridge_get_memory_usage(&usage); | |
113 | memory_report(&usage); | |
114 | simap_destroy(&usage); | |
115 | } | |
c5187f17 | 116 | bridge_run(); |
064af421 | 117 | unixctl_server_run(unixctl); |
8b61709d | 118 | netdev_run(); |
064af421 | 119 | |
0d085684 | 120 | memory_wait(); |
c5187f17 | 121 | bridge_wait(); |
064af421 | 122 | unixctl_server_wait(unixctl); |
8b61709d | 123 | netdev_wait(); |
6d37aaf1 BP |
124 | if (exiting) { |
125 | poll_immediate_wake(); | |
126 | } | |
064af421 | 127 | poll_block(); |
42dd41ef GS |
128 | if (should_service_stop()) { |
129 | exiting = true; | |
130 | } | |
064af421 | 131 | } |
ee45ad81 BP |
132 | bridge_exit(); |
133 | unixctl_server_destroy(unixctl); | |
42dd41ef | 134 | service_stop(); |
064af421 BP |
135 | |
136 | return 0; | |
137 | } | |
138 | ||
80df177a | 139 | static char * |
3542148e | 140 | parse_options(int argc, char *argv[], char **unixctl_pathp) |
064af421 BP |
141 | { |
142 | enum { | |
143 | OPT_PEER_CA_CERT = UCHAR_MAX + 1, | |
86a06318 | 144 | OPT_MLOCKALL, |
3542148e | 145 | OPT_UNIXCTL, |
064af421 | 146 | VLOG_OPTION_ENUMS, |
614c4892 | 147 | OPT_BOOTSTRAP_CA_CERT, |
8274ae95 | 148 | OPT_ENABLE_DUMMY, |
579a77e0 | 149 | OPT_DISABLE_SYSTEM, |
8a9562d2 PS |
150 | DAEMON_OPTION_ENUMS, |
151 | OPT_DPDK, | |
064af421 | 152 | }; |
07fc4ed3 | 153 | static const struct option long_options[] = { |
e3c17733 BP |
154 | {"help", no_argument, NULL, 'h'}, |
155 | {"version", no_argument, NULL, 'V'}, | |
156 | {"mlockall", no_argument, NULL, OPT_MLOCKALL}, | |
3542148e | 157 | {"unixctl", required_argument, NULL, OPT_UNIXCTL}, |
064af421 BP |
158 | DAEMON_LONG_OPTIONS, |
159 | VLOG_LONG_OPTIONS, | |
bf8f2167 | 160 | STREAM_SSL_LONG_OPTIONS, |
e3c17733 BP |
161 | {"peer-ca-cert", required_argument, NULL, OPT_PEER_CA_CERT}, |
162 | {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT}, | |
0cbfe35d | 163 | {"enable-dummy", optional_argument, NULL, OPT_ENABLE_DUMMY}, |
579a77e0 | 164 | {"disable-system", no_argument, NULL, OPT_DISABLE_SYSTEM}, |
8a9562d2 | 165 | {"dpdk", required_argument, NULL, OPT_DPDK}, |
e3c17733 | 166 | {NULL, 0, NULL, 0}, |
064af421 | 167 | }; |
5f383751 | 168 | char *short_options = ovs_cmdl_long_options_to_short_options(long_options); |
064af421 BP |
169 | |
170 | for (;;) { | |
171 | int c; | |
172 | ||
173 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
174 | if (c == -1) { | |
175 | break; | |
176 | } | |
177 | ||
178 | switch (c) { | |
064af421 BP |
179 | case 'h': |
180 | usage(); | |
181 | ||
182 | case 'V': | |
11b06842 | 183 | ovs_print_version(0, 0); |
064af421 BP |
184 | exit(EXIT_SUCCESS); |
185 | ||
86a06318 | 186 | case OPT_MLOCKALL: |
908ff19a | 187 | want_mlockall = true; |
86a06318 BP |
188 | break; |
189 | ||
3542148e AL |
190 | case OPT_UNIXCTL: |
191 | *unixctl_pathp = optarg; | |
192 | break; | |
193 | ||
064af421 BP |
194 | VLOG_OPTION_HANDLERS |
195 | DAEMON_OPTION_HANDLERS | |
fe55ad15 BP |
196 | STREAM_SSL_OPTION_HANDLERS |
197 | ||
064af421 | 198 | case OPT_PEER_CA_CERT: |
fe55ad15 | 199 | stream_ssl_set_peer_ca_cert_file(optarg); |
064af421 | 200 | break; |
6f61c75b BP |
201 | |
202 | case OPT_BOOTSTRAP_CA_CERT: | |
203 | stream_ssl_set_ca_cert_file(optarg, true); | |
204 | break; | |
064af421 | 205 | |
614c4892 | 206 | case OPT_ENABLE_DUMMY: |
0cbfe35d | 207 | dummy_enable(optarg && !strcmp(optarg, "override")); |
614c4892 BP |
208 | break; |
209 | ||
579a77e0 EJ |
210 | case OPT_DISABLE_SYSTEM: |
211 | dp_blacklist_provider("system"); | |
212 | break; | |
213 | ||
064af421 BP |
214 | case '?': |
215 | exit(EXIT_FAILURE); | |
216 | ||
8a9562d2 | 217 | case OPT_DPDK: |
e03f0d03 | 218 | ovs_fatal(0, "--dpdk must be given at beginning of command line."); |
8a9562d2 PS |
219 | break; |
220 | ||
064af421 BP |
221 | default: |
222 | abort(); | |
223 | } | |
224 | } | |
225 | free(short_options); | |
226 | ||
227 | argc -= optind; | |
228 | argv += optind; | |
229 | ||
80df177a BP |
230 | switch (argc) { |
231 | case 0: | |
232 | return xasprintf("unix:%s/db.sock", ovs_rundir()); | |
233 | ||
234 | case 1: | |
235 | return xstrdup(argv[0]); | |
236 | ||
237 | default: | |
238 | VLOG_FATAL("at most one non-option argument accepted; " | |
279c9e03 | 239 | "use --help for usage"); |
064af421 | 240 | } |
064af421 BP |
241 | } |
242 | ||
243 | static void | |
244 | usage(void) | |
245 | { | |
f30f26be | 246 | printf("%s: Open vSwitch daemon\n" |
80df177a BP |
247 | "usage: %s [OPTIONS] [DATABASE]\n" |
248 | "where DATABASE is a socket on which ovsdb-server is listening\n" | |
249 | " (default: \"unix:%s/db.sock\").\n", | |
250 | program_name, program_name, ovs_rundir()); | |
9467fe62 | 251 | stream_usage("DATABASE", true, false, true); |
064af421 BP |
252 | daemon_usage(); |
253 | vlog_usage(); | |
d1279464 | 254 | printf("\nDPDK options:\n" |
58397e6c KT |
255 | " --dpdk options Initialize DPDK datapath.\n" |
256 | " --cuse_dev_name BASENAME override default character device name\n" | |
257 | " for use with userspace vHost.\n"); | |
0b8b6f71 | 258 | printf("\nOther options:\n" |
58397e6c KT |
259 | " --unixctl=SOCKET override default control socket name\n" |
260 | " -h, --help display this help message\n" | |
261 | " -V, --version display version information\n"); | |
064af421 BP |
262 | exit(EXIT_SUCCESS); |
263 | } | |
9e15c889 BP |
264 | |
265 | static void | |
0e15264f BP |
266 | ovs_vswitchd_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, |
267 | const char *argv[] OVS_UNUSED, void *exiting_) | |
9e15c889 BP |
268 | { |
269 | bool *exiting = exiting_; | |
270 | *exiting = true; | |
bde9f75d | 271 | unixctl_command_reply(conn, NULL); |
9e15c889 | 272 | } |