+++ /dev/null
-/*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <config.h>
-#include <assert.h>
-#include <errno.h>
-#include <getopt.h>
-#include <inttypes.h>
-#include <netinet/in.h>
-#include <stdlib.h>
-#include <signal.h>
-#include <string.h>
-
-#include "command-line.h"
-#include "compiler.h"
-#include "daemon.h"
-#include "dirs.h"
-#include "dummy.h"
-#include "leak-checker.h"
-#include "list.h"
-#include "netdev.h"
-#include "ofpbuf.h"
-#include "ofproto/ofproto.h"
-#include "openflow/openflow.h"
-#include "packets.h"
-#include "poll-loop.h"
-#include "rconn.h"
-#include "stream-ssl.h"
-#include "timeval.h"
-#include "unixctl.h"
-#include "util.h"
-#include "vconn.h"
-#include "vlog.h"
-
-VLOG_DEFINE_THIS_MODULE(openflowd);
-
-/* Settings that may be configured by the user. */
-struct ofsettings {
- const char *unixctl_path; /* File name for unixctl socket. */
-
- /* Controller configuration. */
- struct ofproto_controller *controllers;
- size_t n_controllers;
- enum ofproto_fail_mode fail_mode;
- bool run_forever; /* Continue running even with no controller? */
-
- /* Datapath. */
- uint64_t datapath_id; /* Datapath ID. */
- char *dp_name; /* Name of local datapath. */
- char *dp_type; /* Type of local datapath. */
- struct sset ports; /* Set of ports to add to datapath (if any). */
-
- /* Description strings. */
- const char *mfr_desc; /* Manufacturer. */
- const char *hw_desc; /* Hardware. */
- const char *sw_desc; /* Software version. */
- const char *serial_desc; /* Serial number. */
- const char *dp_desc; /* Datapath description. */
-
- /* Related vconns and network devices. */
- struct sset snoops; /* Listen for controller snooping conns. */
-
- /* Failure behavior. */
- int max_idle; /* Idle time for flows in fail-open mode. */
-
- /* NetFlow. */
- struct sset netflow; /* NetFlow targets. */
-};
-
-static unixctl_cb_func ovs_openflowd_exit;
-
-static void parse_options(int argc, char *argv[], struct ofsettings *);
-static void usage(void) NO_RETURN;
-
-int
-main(int argc, char *argv[])
-{
- struct unixctl_server *unixctl;
- struct ofproto *ofproto;
- struct ofsettings s;
- int error;
- struct netflow_options nf_options;
- const char *port;
- bool exiting;
-
- proctitle_init(argc, argv);
- set_program_name(argv[0]);
- parse_options(argc, argv, &s);
- signal(SIGPIPE, SIG_IGN);
-
- daemonize_start();
-
- /* Start listening for ovs-appctl requests. */
- error = unixctl_server_create(s.unixctl_path, &unixctl);
- if (error) {
- exit(EXIT_FAILURE);
- }
-
- unixctl_command_register("exit", ovs_openflowd_exit, &exiting);
-
- VLOG_INFO("Open vSwitch version %s", VERSION BUILDNR);
- VLOG_INFO("OpenFlow protocol version 0x%02x", OFP_VERSION);
-
- error = ofproto_create(s.dp_name, s.dp_type, &ofproto);
- if (error) {
- VLOG_FATAL("could not initialize OpenFlow switch (%s)",
- strerror(error));
- }
-
- /* Add ports to the datapath if requested by the user. */
- SSET_FOR_EACH (port, &s.ports) {
- struct netdev *netdev;
-
- error = netdev_open_default(port, &netdev);
- if (error) {
- VLOG_FATAL("%s: failed to open network device (%s)",
- port, strerror(error));
- }
-
- error = ofproto_port_add(ofproto, netdev, NULL);
- if (error) {
- VLOG_FATAL("failed to add %s as a port (%s)",
- port, strerror(error));
- }
-
- netdev_close(netdev);
- }
-
- /* Configure OpenFlow switch. */
- if (s.datapath_id) {
- ofproto_set_datapath_id(ofproto, s.datapath_id);
- }
- ofproto_set_desc(ofproto, s.mfr_desc, s.hw_desc, s.sw_desc,
- s.serial_desc, s.dp_desc);
- error = ofproto_set_snoops(ofproto, &s.snoops);
- if (error) {
- VLOG_FATAL("failed to configure controller snooping connections (%s)",
- strerror(error));
- }
- memset(&nf_options, 0, sizeof nf_options);
- nf_options.collectors = s.netflow;
- error = ofproto_set_netflow(ofproto, &nf_options);
- if (error) {
- VLOG_FATAL("failed to configure NetFlow collectors (%s)",
- strerror(error));
- }
- ofproto_set_controllers(ofproto, s.controllers, s.n_controllers);
- ofproto_set_fail_mode(ofproto, s.fail_mode);
-
- daemonize_complete();
-
- exiting = false;
- while (!exiting && (s.run_forever || ofproto_is_alive(ofproto))) {
- error = ofproto_run(ofproto);
- if (error) {
- VLOG_FATAL("unrecoverable datapath error (%s)", strerror(error));
- }
- unixctl_server_run(unixctl);
- netdev_run();
-
- ofproto_wait(ofproto);
- unixctl_server_wait(unixctl);
- netdev_wait();
- if (exiting) {
- poll_immediate_wake();
- }
- poll_block();
- }
-
- ofproto_destroy(ofproto);
-
- return 0;
-}
-
-static void
-ovs_openflowd_exit(struct unixctl_conn *conn, const char *args OVS_UNUSED,
- void *exiting_)
-{
- bool *exiting = exiting_;
- *exiting = true;
- unixctl_command_reply(conn, 200, NULL);
-}
-\f
-/* User interface. */
-
-/* Breaks 'ports' apart at commas and adds each resulting word to 'ports'. */
-static void
-parse_ports(const char *s_, struct sset *ports)
-{
- char *s = xstrdup(s_);
- char *save_ptr = NULL;
- char *token;
-
- for (token = strtok_r(s, ",", &save_ptr); token != NULL;
- token = strtok_r(NULL, ",", &save_ptr)) {
- sset_add(ports, token);
- }
- free(s);
-}
-
-static void
-parse_options(int argc, char *argv[], struct ofsettings *s)
-{
- enum {
- OPT_DATAPATH_ID = UCHAR_MAX + 1,
- OPT_MFR_DESC,
- OPT_HW_DESC,
- OPT_SW_DESC,
- OPT_SERIAL_DESC,
- OPT_DP_DESC,
- OPT_BR_NAME,
- OPT_FAIL_MODE,
- OPT_INACTIVITY_PROBE,
- OPT_MAX_IDLE,
- OPT_MAX_BACKOFF,
- OPT_SNOOP,
- OPT_RATE_LIMIT,
- OPT_BURST_LIMIT,
- OPT_BOOTSTRAP_CA_CERT,
- OPT_OUT_OF_BAND,
- OPT_IN_BAND,
- OPT_NETFLOW,
- OPT_PORTS,
- OPT_UNIXCTL,
- OPT_ENABLE_DUMMY,
- VLOG_OPTION_ENUMS,
- LEAK_CHECKER_OPTION_ENUMS,
- DAEMON_OPTION_ENUMS
- };
- static struct option long_options[] = {
- {"datapath-id", required_argument, NULL, OPT_DATAPATH_ID},
- {"mfr-desc", required_argument, NULL, OPT_MFR_DESC},
- {"hw-desc", required_argument, NULL, OPT_HW_DESC},
- {"sw-desc", required_argument, NULL, OPT_SW_DESC},
- {"serial-desc", required_argument, NULL, OPT_SERIAL_DESC},
- {"dp-desc", required_argument, NULL, OPT_DP_DESC},
- {"config", required_argument, NULL, 'F'},
- {"br-name", required_argument, NULL, OPT_BR_NAME},
- {"fail", required_argument, NULL, OPT_FAIL_MODE},
- {"inactivity-probe", required_argument, NULL, OPT_INACTIVITY_PROBE},
- {"max-idle", required_argument, NULL, OPT_MAX_IDLE},
- {"max-backoff", required_argument, NULL, OPT_MAX_BACKOFF},
- {"listen", required_argument, NULL, 'l'},
- {"snoop", required_argument, NULL, OPT_SNOOP},
- {"rate-limit", optional_argument, NULL, OPT_RATE_LIMIT},
- {"burst-limit", required_argument, NULL, OPT_BURST_LIMIT},
- {"out-of-band", no_argument, NULL, OPT_OUT_OF_BAND},
- {"in-band", no_argument, NULL, OPT_IN_BAND},
- {"netflow", required_argument, NULL, OPT_NETFLOW},
- {"ports", required_argument, NULL, OPT_PORTS},
- {"unixctl", required_argument, NULL, OPT_UNIXCTL},
- {"enable-dummy", no_argument, NULL, OPT_ENABLE_DUMMY},
- {"verbose", optional_argument, NULL, 'v'},
- {"help", no_argument, NULL, 'h'},
- {"version", no_argument, NULL, 'V'},
- DAEMON_LONG_OPTIONS,
- VLOG_LONG_OPTIONS,
- LEAK_CHECKER_LONG_OPTIONS,
- STREAM_SSL_LONG_OPTIONS,
- {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT},
- {NULL, 0, NULL, 0},
- };
- char *short_options = long_options_to_short_options(long_options);
- struct ofproto_controller controller_opts;
- struct sset controllers;
- const char *name;
- int i;
-
- /* Set defaults that we can figure out before parsing options. */
- controller_opts.target = NULL;
- controller_opts.max_backoff = 8;
- controller_opts.probe_interval = 5;
- controller_opts.band = OFPROTO_IN_BAND;
- controller_opts.rate_limit = 0;
- controller_opts.burst_limit = 0;
- s->unixctl_path = NULL;
- s->fail_mode = OFPROTO_FAIL_STANDALONE;
- s->datapath_id = 0;
- s->mfr_desc = NULL;
- s->hw_desc = NULL;
- s->sw_desc = NULL;
- s->serial_desc = NULL;
- s->dp_desc = NULL;
- sset_init(&controllers);
- sset_init(&s->snoops);
- s->max_idle = 0;
- sset_init(&s->netflow);
- sset_init(&s->ports);
- for (;;) {
- int c;
-
- c = getopt_long(argc, argv, short_options, long_options, NULL);
- if (c == -1) {
- break;
- }
-
- switch (c) {
- case OPT_DATAPATH_ID:
- if (!dpid_from_string(optarg, &s->datapath_id)) {
- VLOG_FATAL("argument to --datapath-id must be exactly 16 hex "
- "digits and may not be all-zero");
- }
- break;
-
- case OPT_MFR_DESC:
- s->mfr_desc = optarg;
- break;
-
- case OPT_HW_DESC:
- s->hw_desc = optarg;
- break;
-
- case OPT_SW_DESC:
- s->sw_desc = optarg;
- break;
-
- case OPT_SERIAL_DESC:
- s->serial_desc = optarg;
- break;
-
- case OPT_DP_DESC:
- s->dp_desc = optarg;
- break;
-
- case OPT_FAIL_MODE:
- if (!strcmp(optarg, "open") || !strcmp(optarg, "standalone")) {
- s->fail_mode = OFPROTO_FAIL_STANDALONE;
- } else if (!strcmp(optarg, "closed")
- || !strcmp(optarg, "secure")) {
- s->fail_mode = OFPROTO_FAIL_SECURE;
- } else {
- VLOG_FATAL("--fail argument must be \"standalone\" "
- "or \"secure\"");
- }
- break;
-
- case OPT_INACTIVITY_PROBE:
- controller_opts.probe_interval = atoi(optarg);
- if (controller_opts.probe_interval < 5) {
- VLOG_FATAL("--inactivity-probe argument must be at least 5");
- }
- break;
-
- case OPT_MAX_IDLE:
- if (!strcmp(optarg, "permanent")) {
- s->max_idle = OFP_FLOW_PERMANENT;
- } else {
- s->max_idle = atoi(optarg);
- if (s->max_idle < 1 || s->max_idle > 65535) {
- VLOG_FATAL("--max-idle argument must be between 1 and "
- "65535 or the word 'permanent'");
- }
- }
- break;
-
- case OPT_MAX_BACKOFF:
- controller_opts.max_backoff = atoi(optarg);
- if (controller_opts.max_backoff < 1) {
- VLOG_FATAL("--max-backoff argument must be at least 1");
- } else if (controller_opts.max_backoff > 3600) {
- controller_opts.max_backoff = 3600;
- }
- break;
-
- case OPT_RATE_LIMIT:
- if (optarg) {
- controller_opts.rate_limit = atoi(optarg);
- if (controller_opts.rate_limit < 1) {
- VLOG_FATAL("--rate-limit argument must be at least 1");
- }
- } else {
- controller_opts.rate_limit = 1000;
- }
- break;
-
- case OPT_BURST_LIMIT:
- controller_opts.burst_limit = atoi(optarg);
- if (controller_opts.burst_limit < 1) {
- VLOG_FATAL("--burst-limit argument must be at least 1");
- }
- break;
-
- case OPT_OUT_OF_BAND:
- controller_opts.band = OFPROTO_OUT_OF_BAND;
- break;
-
- case OPT_IN_BAND:
- controller_opts.band = OFPROTO_IN_BAND;
- break;
-
- case OPT_NETFLOW:
- sset_add(&s->netflow, optarg);
- break;
-
- case 'l':
- sset_add(&controllers, optarg);
- break;
-
- case OPT_SNOOP:
- sset_add(&s->snoops, optarg);
- break;
-
- case OPT_PORTS:
- parse_ports(optarg, &s->ports);
- break;
-
- case OPT_UNIXCTL:
- s->unixctl_path = optarg;
- break;
-
- case OPT_ENABLE_DUMMY:
- dummy_enable();
- break;
-
- case 'h':
- usage();
-
- case 'V':
- OVS_PRINT_VERSION(OFP_VERSION, OFP_VERSION);
- exit(EXIT_SUCCESS);
-
- DAEMON_OPTION_HANDLERS
-
- VLOG_OPTION_HANDLERS
-
- LEAK_CHECKER_OPTION_HANDLERS
-
- STREAM_SSL_OPTION_HANDLERS
-
- case OPT_BOOTSTRAP_CA_CERT:
- stream_ssl_set_ca_cert_file(optarg, true);
- break;
-
- case '?':
- exit(EXIT_FAILURE);
-
- default:
- abort();
- }
- }
- free(short_options);
-
- argc -= optind;
- argv += optind;
- if (argc < 2) {
- VLOG_FATAL("need at least two non-option arguments; "
- "use --help for usage");
- }
-
- /* Rate limiting. */
- if (controller_opts.rate_limit && controller_opts.rate_limit < 100) {
- VLOG_WARN("Rate limit set to unusually low value %d",
- controller_opts.rate_limit);
- }
-
- /* Local vconns. */
- ofproto_parse_name(argv[0], &s->dp_name, &s->dp_type);
-
- /* Figure out controller names. */
- s->run_forever = false;
- if (sset_is_empty(&controllers)) {
- sset_add_and_free(&controllers, xasprintf("punix:%s/%s.mgmt",
- ovs_rundir(), s->dp_name));
- }
- for (i = 1; i < argc; i++) {
- if (!strcmp(argv[i], "none")) {
- s->run_forever = true;
- } else {
- sset_add(&controllers, argv[i]);
- }
- }
-
- /* Set up controllers. */
- s->n_controllers = sset_count(&controllers);
- s->controllers = xmalloc(s->n_controllers * sizeof *s->controllers);
- i = 0;
- SSET_FOR_EACH (name, &controllers) {
- s->controllers[i] = controller_opts;
- s->controllers[i].target = xstrdup(name);
- i++;
- }
- sset_destroy(&controllers);
-}
-
-static void
-usage(void)
-{
- printf("%s: an OpenFlow switch implementation.\n"
- "usage: %s [OPTIONS] [TYPE@]DATAPATH CONTROLLER...\n"
- "where DATAPATH is a local datapath (e.g. \"dp0\")\n"
- "optionally with an explicit TYPE (default: \"system\").\n"
- "Each CONTROLLER is an active OpenFlow connection method.\n",
- program_name, program_name);
- vconn_usage(true, true, true);
- printf("\nOpenFlow options:\n"
- " -d, --datapath-id=ID Use ID as the OpenFlow switch ID\n"
- " (ID must consist of 16 hex digits)\n"
- " --mfr-desc=MFR Identify manufacturer as MFR\n"
- " --hw-desc=HW Identify hardware as HW\n"
- " --sw-desc=SW Identify software as SW\n"
- " --serial-desc=SERIAL Identify serial number as SERIAL\n"
- " --dp-desc=DP_DESC Identify dp description as DP_DESC\n"
- "\nNetworking options:\n"
- " --fail=open|closed when controller connection fails:\n"
- " closed: drop all packets\n"
- " open (default): act as learning switch\n"
- " --inactivity-probe=SECS time between inactivity probes\n"
- " --max-idle=SECS max idle for flows set up by switch\n"
- " --max-backoff=SECS max time between controller connection\n"
- " attempts (default: 8 seconds)\n"
- " -l, --listen=METHOD allow management connections on METHOD\n"
- " (a passive OpenFlow connection method)\n"
- " --snoop=METHOD allow controller snooping on METHOD\n"
- " (a passive OpenFlow connection method)\n"
- " --out-of-band controller connection is out-of-band\n"
- " --netflow=HOST:PORT configure NetFlow output target\n"
- "\nRate-limiting of \"packet-in\" messages to the controller:\n"
- " --rate-limit[=PACKETS] max rate, in packets/s (default: 1000)\n"
- " --burst-limit=BURST limit on packet credit for idle time\n");
- daemon_usage();
- vlog_usage();
- printf("\nOther options:\n"
- " --unixctl=SOCKET override default control socket name\n"
- " -h, --help display this help message\n"
- " -V, --version display version information\n");
- leak_checker_usage();
- exit(EXIT_SUCCESS);
-}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff