X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=utilities%2Fovs-controller.c;h=f5e5014374c2fc86ad0cae0dda939f191f19897f;hb=9466d7d4b9388f276a99506d9d8a4eca84fb509f;hp=010cad7940ede04ceca2212f72f4046367c76b03;hpb=a14bc59fb8f27db193d74662dc9c5cb8237177ef;p=openvswitch diff --git a/utilities/ovs-controller.c b/utilities/ovs-controller.c index 010cad79..f5e50143 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 Nicira Networks. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -21,25 +21,27 @@ #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 "ofpbuf.h" #include "openflow/openflow.h" #include "poll-loop.h" #include "rconn.h" +#include "shash.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 + +VLOG_DEFINE_THIS_MODULE(controller); #define MAX_SWITCHES 16 #define MAX_LISTENERS 16 @@ -49,17 +51,41 @@ struct switch_ { 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: Set up exact match or wildcard flow entries? */ +static bool exact_flows = true; /* --max-idle: Maximum idle time, in seconds, before flows expire. */ static int max_idle = 60; +/* --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 (cast to void *). */ +static struct shash port_queues = SHASH_INITIALIZER(&port_queues); + +/* --with-flows: Flows to send to switch, or an empty list not to send any + * default flows. */ +static struct list default_flows = LIST_INITIALIZER(&default_flows); + +/* --unixctl: Name of unixctl socket, or null to use the default. */ +static char *unixctl_path = NULL; + static int do_switching(struct switch_ *); -static void new_switch(struct switch_ *, struct vconn *, const char *name); +static void new_switch(struct switch_ *, struct vconn *); static void parse_options(int argc, char *argv[]); static void usage(void) NO_RETURN; @@ -73,10 +99,8 @@ 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); @@ -89,14 +113,13 @@ 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); 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; @@ -117,26 +140,26 @@ main(int argc, char *argv[]) } 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); } + daemonize_complete(); + while (n_switches > 0 || n_listeners > 0) { int iteration; - int i; /* 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); if (!retval || retval == EAGAIN) { if (!retval) { - new_switch(&switches[n_switches++], new_vconn, "tcp"); + new_switch(&switches[n_switches++], new_vconn); } i++; } else { @@ -151,7 +174,8 @@ main(int argc, char *argv[]) bool progress = false; for (i = 0; i < n_switches; ) { struct switch_ *this = &switches[i]; - int retval = do_switching(this); + + retval = do_switching(this); if (!retval || retval == EAGAIN) { if (!retval) { progress = true; @@ -169,7 +193,7 @@ main(int argc, char *argv[]) } for (i = 0; i < n_switches; i++) { struct switch_ *this = &switches[i]; - lswitch_run(this->lswitch, this->rconn); + lswitch_run(this->lswitch); } unixctl_server_run(unixctl); @@ -194,11 +218,21 @@ 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; + + sw->rconn = rconn_create(60, 0); + rconn_connect_unreliably(sw->rconn, vconn, NULL); + + cfg.mode = (action_normal ? LSW_NORMAL + : learn_macs ? LSW_LEARN + : LSW_FLOOD); + cfg.max_idle = set_up_flows ? max_idle : -1; + cfg.default_flows = &default_flows; + cfg.default_queue = default_queue; + cfg.port_queues = &port_queues; + sw->lswitch = lswitch_create(sw->rconn, &cfg); } static int @@ -211,7 +245,9 @@ do_switching(struct switch_ *sw) msg = rconn_recv(sw->rconn); if (msg) { - lswitch_process_packet(sw->lswitch, sw->rconn, msg); + if (!mute) { + lswitch_process_packet(sw->lswitch, sw->rconn, msg); + } ofpbuf_delete(msg); } rconn_run(sw->rconn); @@ -221,24 +257,75 @@ do_switching(struct switch_ *sw) : EAGAIN); } +static void +read_flow_file(const char *name) +{ + enum nx_flow_format flow_format; + FILE *stream; + + stream = fopen(optarg, "r"); + if (!stream) { + ovs_fatal(errno, "%s: open", name); + } + + flow_format = NXFF_OPENFLOW10; + while (parse_ofp_add_flow_file(&default_flows, &flow_format, stream)) { + continue; + } + + fclose(stream); +} + +static void +add_port_queue(char *s) +{ + 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 " + "\":\""); + } + + if (!shash_add_once(&port_queues, port_name, + (void *) (uintptr_t) atoi(queue_id))) { + ovs_fatal(0, " arguments for -Q or --port-queue must " + "be unique"); + } +} + static void 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 }; static struct option long_options[] = { {"hub", no_argument, 0, 'H'}, {"noflow", no_argument, 0, 'n'}, + {"normal", no_argument, 0, 'N'}, + {"wildcard", no_argument, 0, 'w'}, {"max-idle", required_argument, 0, OPT_MAX_IDLE}, + {"mute", no_argument, 0, OPT_MUTE}, + {"queue", required_argument, 0, 'q'}, + {"port-queue", required_argument, 0, 'Q'}, + {"with-flows", required_argument, 0, OPT_WITH_FLOWS}, + {"unixctl", required_argument, 0, OPT_UNIXCTL}, {"help", no_argument, 0, 'h'}, {"version", no_argument, 0, 'V'}, DAEMON_LONG_OPTIONS, VLOG_LONG_OPTIONS, #ifdef HAVE_OPENSSL - VCONN_SSL_LONG_OPTIONS + STREAM_SSL_LONG_OPTIONS {"peer-ca-cert", required_argument, 0, OPT_PEER_CA_CERT}, #endif {0, 0, 0, 0}, @@ -260,7 +347,19 @@ 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': + exact_flows = false; break; case OPT_MAX_IDLE: @@ -275,6 +374,22 @@ 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: + read_flow_file(optarg); + break; + + case OPT_UNIXCTL: + unixctl_path = optarg; + break; + case 'h': usage(); @@ -286,10 +401,10 @@ parse_options(int argc, char *argv[]) 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 @@ -301,6 +416,20 @@ parse_options(int argc, char *argv[]) } } free(short_options); + + if (!shash_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 @@ -317,6 +446,12 @@ usage(void) " -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, --wildcard use wildcards, not exact-match rules\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);