X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=utilities%2Fovs-controller.c;h=51765bd04e4e459e71cfc6a67593615eb1082f7f;hb=85b20fd6ee585f462e012fbcc7f966a81edab2ed;hp=010cad7940ede04ceca2212f72f4046367c76b03;hpb=a14bc59fb8f27db193d74662dc9c5cb8237177ef;p=sliver-openvswitch.git diff --git a/utilities/ovs-controller.c b/utilities/ovs-controller.c index 010cad794..51765bd04 100644 --- a/utilities/ovs-controller.c +++ b/utilities/ovs-controller.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009 Nicira Networks. + * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -21,45 +21,73 @@ #include #include #include +#include #include #include "command-line.h" #include "compiler.h" #include "daemon.h" -#include "fault.h" #include "learning-switch.h" +#include "ofp-parse.h" +#include "ofp-version-opt.h" #include "ofpbuf.h" #include "openflow/openflow.h" #include "poll-loop.h" #include "rconn.h" +#include "simap.h" +#include "stream-ssl.h" #include "timeval.h" #include "unixctl.h" #include "util.h" -#include "vconn-ssl.h" #include "vconn.h" - #include "vlog.h" -#define THIS_MODULE VLM_controller +#include "socket-util.h" +#include "ofp-util.h" + +VLOG_DEFINE_THIS_MODULE(controller); #define MAX_SWITCHES 16 #define MAX_LISTENERS 16 struct switch_ { struct lswitch *lswitch; - struct rconn *rconn; }; -/* Learn the ports on which MAC addresses appear? */ +/* -H, --hub: Learn the ports on which MAC addresses appear? */ static bool learn_macs = true; -/* Set up flows? (If not, every packet is processed at the controller.) */ -static bool setup_flows = true; +/* -n, --noflow: Set up flows? (If not, every packet is processed at the + * controller.) */ +static bool set_up_flows = true; + +/* -N, --normal: Use "NORMAL" action instead of explicit port? */ +static bool action_normal = false; + +/* -w, --wildcard: 0 to disable wildcard flow entries, an OFPFW10_* bitmask to + * enable specific wildcards, or UINT32_MAX to use the default wildcards. */ +static uint32_t wildcards = 0; /* --max-idle: Maximum idle time, in seconds, before flows expire. */ static int max_idle = 60; -static int do_switching(struct switch_ *); -static void new_switch(struct switch_ *, struct vconn *, const char *name); +/* --mute: If true, accept connections from switches but do not reply to any + * of their messages (for debugging fail-open mode). */ +static bool mute = false; + +/* -q, --queue: default OpenFlow queue, none if UINT32_MAX. */ +static uint32_t default_queue = UINT32_MAX; + +/* -Q, --port-queue: map from port name to port number. */ +static struct simap port_queues = SIMAP_INITIALIZER(&port_queues); + +/* --with-flows: Flows to send to switch. */ +static struct ofputil_flow_mod *default_flows; +static size_t n_default_flows; + +/* --unixctl: Name of unixctl socket, or null to use the default. */ +static char *unixctl_path = NULL; + +static void new_switch(struct switch_ *, struct vconn *); static void parse_options(int argc, char *argv[]); static void usage(void) NO_RETURN; @@ -73,10 +101,8 @@ main(int argc, char *argv[]) int retval; int i; + proctitle_init(argc, argv); set_program_name(argv[0]); - register_fault_handlers(); - time_init(); - vlog_init(); parse_options(argc, argv); signal(SIGPIPE, SIG_IGN); @@ -89,18 +115,19 @@ main(int argc, char *argv[]) for (i = optind; i < argc; i++) { const char *name = argv[i]; struct vconn *vconn; - int retval; - retval = vconn_open(name, OFP_VERSION, &vconn); + retval = vconn_open(name, get_allowed_ofp_versions(), DSCP_DEFAULT, + &vconn); if (!retval) { if (n_switches >= MAX_SWITCHES) { ovs_fatal(0, "max %d switch connections", n_switches); } - new_switch(&switches[n_switches++], vconn, name); + new_switch(&switches[n_switches++], vconn); continue; } else if (retval == EAFNOSUPPORT) { struct pvconn *pvconn; - retval = pvconn_open(name, &pvconn); + retval = pvconn_open(name, get_allowed_ofp_versions(), + DSCP_DEFAULT, &pvconn); if (!retval) { if (n_listeners >= MAX_LISTENERS) { ovs_fatal(0, "max %d passive connections", n_listeners); @@ -116,27 +143,24 @@ main(int argc, char *argv[]) ovs_fatal(0, "no active or passive switch connections"); } - die_if_already_running(); - daemonize(); + daemonize_start(); - retval = unixctl_server_create(NULL, &unixctl); + retval = unixctl_server_create(unixctl_path, &unixctl); if (retval) { - ovs_fatal(retval, "Could not listen for unixctl connections"); + exit(EXIT_FAILURE); } - while (n_switches > 0 || n_listeners > 0) { - int iteration; - int i; + daemonize_complete(); + while (n_switches > 0 || n_listeners > 0) { /* Accept connections on listening vconns. */ for (i = 0; i < n_listeners && n_switches < MAX_SWITCHES; ) { struct vconn *new_vconn; - int retval; - retval = pvconn_accept(listeners[i], OFP_VERSION, &new_vconn); + retval = pvconn_accept(listeners[i], &new_vconn); if (!retval || retval == EAGAIN) { if (!retval) { - new_switch(&switches[n_switches++], new_vconn, "tcp"); + new_switch(&switches[n_switches++], new_vconn); } i++; } else { @@ -145,31 +169,16 @@ main(int argc, char *argv[]) } } - /* Do some switching work. Limit the number of iterations so that - * callbacks registered with the poll loop don't starve. */ - for (iteration = 0; iteration < 50; iteration++) { - bool progress = false; - for (i = 0; i < n_switches; ) { - struct switch_ *this = &switches[i]; - int retval = do_switching(this); - if (!retval || retval == EAGAIN) { - if (!retval) { - progress = true; - } - i++; - } else { - rconn_destroy(this->rconn); - lswitch_destroy(this->lswitch); - switches[i] = switches[--n_switches]; - } - } - if (!progress) { - break; - } - } - for (i = 0; i < n_switches; i++) { + /* Do some switching work. . */ + for (i = 0; i < n_switches; ) { struct switch_ *this = &switches[i]; - lswitch_run(this->lswitch, this->rconn); + lswitch_run(this->lswitch); + if (lswitch_is_alive(this->lswitch)) { + i++; + } else { + lswitch_destroy(this->lswitch); + switches[i] = switches[--n_switches]; + } } unixctl_server_run(unixctl); @@ -182,8 +191,6 @@ main(int argc, char *argv[]) } for (i = 0; i < n_switches; i++) { struct switch_ *sw = &switches[i]; - rconn_run_wait(sw->rconn); - rconn_recv_wait(sw->rconn); lswitch_wait(sw->lswitch); } unixctl_server_wait(unixctl); @@ -194,31 +201,45 @@ main(int argc, char *argv[]) } static void -new_switch(struct switch_ *sw, struct vconn *vconn, const char *name) +new_switch(struct switch_ *sw, struct vconn *vconn) { - sw->rconn = rconn_new_from_vconn(name, vconn); - sw->lswitch = lswitch_create(sw->rconn, learn_macs, - setup_flows ? max_idle : -1); + struct lswitch_config cfg; + struct rconn *rconn; + + rconn = rconn_create(60, 0, DSCP_DEFAULT, get_allowed_ofp_versions()); + rconn_connect_unreliably(rconn, vconn, NULL); + + cfg.mode = (action_normal ? LSW_NORMAL + : learn_macs ? LSW_LEARN + : LSW_FLOOD); + cfg.wildcards = wildcards; + cfg.max_idle = set_up_flows ? max_idle : -1; + cfg.default_flows = default_flows; + cfg.n_default_flows = n_default_flows; + cfg.default_queue = default_queue; + cfg.port_queues = &port_queues; + cfg.mute = mute; + sw->lswitch = lswitch_create(rconn, &cfg); } -static int -do_switching(struct switch_ *sw) +static void +add_port_queue(char *s) { - unsigned int packets_sent; - struct ofpbuf *msg; - - packets_sent = rconn_packets_sent(sw->rconn); - - msg = rconn_recv(sw->rconn); - if (msg) { - lswitch_process_packet(sw->lswitch, sw->rconn, msg); - ofpbuf_delete(msg); + char *save_ptr = NULL; + char *port_name; + char *queue_id; + + port_name = strtok_r(s, ":", &save_ptr); + queue_id = strtok_r(NULL, "", &save_ptr); + if (!queue_id) { + ovs_fatal(0, "argument to -Q or --port-queue should take the form " + "\":\""); } - rconn_run(sw->rconn); - return (!rconn_is_alive(sw->rconn) ? EOF - : rconn_packets_sent(sw->rconn) != packets_sent ? 0 - : EAGAIN); + if (!simap_put(&port_queues, port_name, atoi(queue_id))) { + ovs_fatal(0, " arguments for -Q or --port-queue must " + "be unique"); + } } static void @@ -227,21 +248,31 @@ parse_options(int argc, char *argv[]) enum { OPT_MAX_IDLE = UCHAR_MAX + 1, OPT_PEER_CA_CERT, - VLOG_OPTION_ENUMS + OPT_MUTE, + OPT_WITH_FLOWS, + OPT_UNIXCTL, + VLOG_OPTION_ENUMS, + DAEMON_OPTION_ENUMS, + OFP_VERSION_OPTION_ENUMS }; static struct option long_options[] = { - {"hub", no_argument, 0, 'H'}, - {"noflow", no_argument, 0, 'n'}, - {"max-idle", required_argument, 0, OPT_MAX_IDLE}, - {"help", no_argument, 0, 'h'}, - {"version", no_argument, 0, 'V'}, + {"hub", no_argument, NULL, 'H'}, + {"noflow", no_argument, NULL, 'n'}, + {"normal", no_argument, NULL, 'N'}, + {"wildcards", optional_argument, NULL, 'w'}, + {"max-idle", required_argument, NULL, OPT_MAX_IDLE}, + {"mute", no_argument, NULL, OPT_MUTE}, + {"queue", required_argument, NULL, 'q'}, + {"port-queue", required_argument, NULL, 'Q'}, + {"with-flows", required_argument, NULL, OPT_WITH_FLOWS}, + {"unixctl", required_argument, NULL, OPT_UNIXCTL}, + {"help", no_argument, NULL, 'h'}, DAEMON_LONG_OPTIONS, + OFP_VERSION_LONG_OPTIONS, VLOG_LONG_OPTIONS, -#ifdef HAVE_OPENSSL - VCONN_SSL_LONG_OPTIONS - {"peer-ca-cert", required_argument, 0, OPT_PEER_CA_CERT}, -#endif - {0, 0, 0, 0}, + STREAM_SSL_LONG_OPTIONS, + {"peer-ca-cert", required_argument, NULL, OPT_PEER_CA_CERT}, + {NULL, 0, NULL, 0}, }; char *short_options = long_options_to_short_options(long_options); @@ -260,7 +291,19 @@ parse_options(int argc, char *argv[]) break; case 'n': - setup_flows = false; + set_up_flows = false; + break; + + case OPT_MUTE: + mute = true; + break; + + case 'N': + action_normal = true; + break; + + case 'w': + wildcards = optarg ? strtol(optarg, NULL, 16) : UINT32_MAX; break; case OPT_MAX_IDLE: @@ -275,23 +318,35 @@ parse_options(int argc, char *argv[]) } break; + case 'q': + default_queue = atoi(optarg); + break; + + case 'Q': + add_port_queue(optarg); + break; + + case OPT_WITH_FLOWS: + parse_ofp_flow_mod_file(optarg, OFPFC_ADD, &default_flows, + &n_default_flows); + break; + + case OPT_UNIXCTL: + unixctl_path = optarg; + break; + case 'h': usage(); - case 'V': - OVS_PRINT_VERSION(OFP_VERSION, OFP_VERSION); - exit(EXIT_SUCCESS); - VLOG_OPTION_HANDLERS + OFP_VERSION_OPTION_HANDLERS DAEMON_OPTION_HANDLERS -#ifdef HAVE_OPENSSL - VCONN_SSL_OPTION_HANDLERS + STREAM_SSL_OPTION_HANDLERS case OPT_PEER_CA_CERT: - vconn_ssl_set_peer_ca_cert_file(optarg); + stream_ssl_set_peer_ca_cert_file(optarg); break; -#endif case '?': exit(EXIT_FAILURE); @@ -301,6 +356,20 @@ parse_options(int argc, char *argv[]) } } free(short_options); + + if (!simap_is_empty(&port_queues) || default_queue != UINT32_MAX) { + if (action_normal) { + ovs_error(0, "queue IDs are incompatible with -N or --normal; " + "not using OFPP_NORMAL"); + action_normal = false; + } + + if (!learn_macs) { + ovs_error(0, "queue IDs are incompatible with -H or --hub; " + "not acting as hub"); + learn_macs = true; + } + } } static void @@ -312,11 +381,18 @@ usage(void) program_name, program_name); vconn_usage(true, true, false); daemon_usage(); + ofp_version_usage(); vlog_usage(); printf("\nOther options:\n" " -H, --hub act as hub instead of learning switch\n" " -n, --noflow pass traffic, but don't add flows\n" " --max-idle=SECS max idle time for new flows\n" + " -N, --normal use OFPP_NORMAL action\n" + " -w, --wildcards[=MASK] wildcard (specified) bits in flows\n" + " -q, --queue=QUEUE-ID OpenFlow queue ID to use for output\n" + " -Q PORT-NAME:QUEUE-ID use QUEUE-ID for frames from PORT-NAME\n" + " --with-flows FILE use the flows from FILE\n" + " --unixctl=SOCKET override default control socket name\n" " -h, --help display this help message\n" " -V, --version display version information\n"); exit(EXIT_SUCCESS);