/* Parse a JSON array of controllers. */
static indigo_error_t
parse_controllers(cJSON *root)
{
    cJSON *node, *child;
    int count = 0;
    indigo_error_t err;

    node = cJSON_GetObjectItem(root, "controllers");
    if (node == NULL) {
        AIM_LOG_ERROR("Config: Missing 'controllers' array");
        return INDIGO_ERROR_NOT_FOUND;
    }

    if (node->type != cJSON_Array) {
        AIM_LOG_ERROR("Config: expected 'controllers' to be an array");
        return INDIGO_ERROR_PARAM;
    }

    for (count = 0, child = node->child; child; ++count, child = child->next) {
        if (count >= MAX_CONTROLLERS) {
            AIM_LOG_ERROR("Config: More than %d controllers configured",
                          MAX_CONTROLLERS);
            return INDIGO_ERROR_PARAM;
        }

        if (child->type != cJSON_Object) {
            AIM_LOG_ERROR("Config: expected controller spec to be an object");
            return INDIGO_ERROR_PARAM;
        }

        err = parse_controller(&staged_config.controllers[count], child);
        if (err) {
            AIM_LOG_ERROR("Config: Error parsing controller entry %d", count);
            return err;
        }
    }

    AIM_LOG_INFO("Config: Parsed %d controller entries", count);
    staged_config.num_controllers = count;

    return INDIGO_ERROR_NONE;
}
Example #2
0
static void
parse_named_action(enum ofputil_action_code code,
                   char *arg, struct ofpbuf *ofpacts)
{
    struct ofpact_tunnel *tunnel;
    uint16_t vid;
    uint16_t ethertype;
    ovs_be32 ip;
    uint8_t pcp;
    uint8_t tos;

    switch (code) {
    case OFPUTIL_ACTION_INVALID:
        NOT_REACHED();

    case OFPUTIL_OFPAT10_OUTPUT:
    case OFPUTIL_OFPAT11_OUTPUT:
        parse_output(arg, ofpacts);
        break;

    case OFPUTIL_OFPAT10_SET_VLAN_VID:
    case OFPUTIL_OFPAT11_SET_VLAN_VID:
        vid = str_to_u32(arg);
        if (vid & ~VLAN_VID_MASK) {
            ovs_fatal(0, "%s: not a valid VLAN VID", arg);
        }
        ofpact_put_SET_VLAN_VID(ofpacts)->vlan_vid = vid;
        break;

    case OFPUTIL_OFPAT10_SET_VLAN_PCP:
    case OFPUTIL_OFPAT11_SET_VLAN_PCP:
        pcp = str_to_u32(arg);
        if (pcp & ~7) {
            ovs_fatal(0, "%s: not a valid VLAN PCP", arg);
        }
        ofpact_put_SET_VLAN_PCP(ofpacts)->vlan_pcp = pcp;
        break;

    case OFPUTIL_OFPAT12_SET_FIELD:
        set_field_parse(arg, ofpacts);
        break;

    case OFPUTIL_OFPAT10_STRIP_VLAN:
    case OFPUTIL_OFPAT11_POP_VLAN:
        ofpact_put_STRIP_VLAN(ofpacts);
        break;

    case OFPUTIL_OFPAT11_PUSH_VLAN:
        ethertype = str_to_u16(arg, "ethertype");
        if (ethertype != ETH_TYPE_VLAN_8021Q) {
            /* XXX ETH_TYPE_VLAN_8021AD case isn't supported */
            ovs_fatal(0, "%s: not a valid VLAN ethertype", arg);
        }
        ofpact_put_PUSH_VLAN(ofpacts);
        break;

    case OFPUTIL_OFPAT11_SET_QUEUE:
        ofpact_put_SET_QUEUE(ofpacts)->queue_id = str_to_u32(arg);
        break;


    case OFPUTIL_OFPAT10_SET_DL_SRC:
    case OFPUTIL_OFPAT11_SET_DL_SRC:
        str_to_mac(arg, ofpact_put_SET_ETH_SRC(ofpacts)->mac);
        break;

    case OFPUTIL_OFPAT10_SET_DL_DST:
    case OFPUTIL_OFPAT11_SET_DL_DST:
        str_to_mac(arg, ofpact_put_SET_ETH_DST(ofpacts)->mac);
        break;

    case OFPUTIL_OFPAT10_SET_NW_SRC:
    case OFPUTIL_OFPAT11_SET_NW_SRC:
        str_to_ip(arg, &ip);
        ofpact_put_SET_IPV4_SRC(ofpacts)->ipv4 = ip;
        break;

    case OFPUTIL_OFPAT10_SET_NW_DST:
    case OFPUTIL_OFPAT11_SET_NW_DST:
        str_to_ip(arg, &ip);
        ofpact_put_SET_IPV4_DST(ofpacts)->ipv4 = ip;
        break;

    case OFPUTIL_OFPAT10_SET_NW_TOS:
    case OFPUTIL_OFPAT11_SET_NW_TOS:
        tos = str_to_u32(arg);
        if (tos & ~IP_DSCP_MASK) {
            ovs_fatal(0, "%s: not a valid TOS", arg);
        }
        ofpact_put_SET_IPV4_DSCP(ofpacts)->dscp = tos;
        break;

    case OFPUTIL_OFPAT11_DEC_NW_TTL:
        NOT_REACHED();

    case OFPUTIL_OFPAT10_SET_TP_SRC:
    case OFPUTIL_OFPAT11_SET_TP_SRC:
        ofpact_put_SET_L4_SRC_PORT(ofpacts)->port = str_to_u32(arg);
        break;

    case OFPUTIL_OFPAT10_SET_TP_DST:
    case OFPUTIL_OFPAT11_SET_TP_DST:
        ofpact_put_SET_L4_DST_PORT(ofpacts)->port = str_to_u32(arg);
        break;

    case OFPUTIL_OFPAT10_ENQUEUE:
        parse_enqueue(arg, ofpacts);
        break;

    case OFPUTIL_NXAST_RESUBMIT:
        parse_resubmit(arg, ofpacts);
        break;

    case OFPUTIL_NXAST_SET_TUNNEL:
    case OFPUTIL_NXAST_SET_TUNNEL64:
        tunnel = ofpact_put_SET_TUNNEL(ofpacts);
        tunnel->ofpact.compat = code;
        tunnel->tun_id = str_to_u64(arg);
        break;

    case OFPUTIL_NXAST_WRITE_METADATA:
        parse_metadata(ofpacts, arg);
        break;

    case OFPUTIL_NXAST_SET_QUEUE:
        ofpact_put_SET_QUEUE(ofpacts)->queue_id = str_to_u32(arg);
        break;

    case OFPUTIL_NXAST_POP_QUEUE:
        ofpact_put_POP_QUEUE(ofpacts);
        break;

    case OFPUTIL_NXAST_REG_MOVE:
        nxm_parse_reg_move(ofpact_put_REG_MOVE(ofpacts), arg);
        break;

    case OFPUTIL_NXAST_REG_LOAD:
        nxm_parse_reg_load(ofpact_put_REG_LOAD(ofpacts), arg);
        break;

    case OFPUTIL_NXAST_NOTE:
        parse_note(arg, ofpacts);
        break;

    case OFPUTIL_NXAST_MULTIPATH:
        multipath_parse(ofpact_put_MULTIPATH(ofpacts), arg);
        break;

    case OFPUTIL_NXAST_BUNDLE:
        bundle_parse(arg, ofpacts);
        break;

    case OFPUTIL_NXAST_BUNDLE_LOAD:
        bundle_parse_load(arg, ofpacts);
        break;

    case OFPUTIL_NXAST_RESUBMIT_TABLE:
    case OFPUTIL_NXAST_OUTPUT_REG:
    case OFPUTIL_NXAST_DEC_TTL_CNT_IDS:
        NOT_REACHED();

    case OFPUTIL_NXAST_LEARN:
        learn_parse(arg, ofpacts);
        break;

    case OFPUTIL_NXAST_EXIT:
        ofpact_put_EXIT(ofpacts);
        break;

    case OFPUTIL_NXAST_DEC_TTL:
        parse_dec_ttl(ofpacts, arg);
        break;

    case OFPUTIL_NXAST_SET_MPLS_TTL:
    case OFPUTIL_OFPAT11_SET_MPLS_TTL:
        parse_set_mpls_ttl(ofpacts, arg);
        break;

    case OFPUTIL_OFPAT11_DEC_MPLS_TTL:
    case OFPUTIL_NXAST_DEC_MPLS_TTL:
        ofpact_put_DEC_MPLS_TTL(ofpacts);
        break;

    case OFPUTIL_NXAST_FIN_TIMEOUT:
        parse_fin_timeout(ofpacts, arg);
        break;

    case OFPUTIL_NXAST_CONTROLLER:
        parse_controller(ofpacts, arg);
        break;

    case OFPUTIL_OFPAT11_PUSH_MPLS:
    case OFPUTIL_NXAST_PUSH_MPLS:
        ofpact_put_PUSH_MPLS(ofpacts)->ethertype =
            htons(str_to_u16(arg, "push_mpls"));
        break;

    case OFPUTIL_OFPAT11_POP_MPLS:
    case OFPUTIL_NXAST_POP_MPLS:
        ofpact_put_POP_MPLS(ofpacts)->ethertype =
            htons(str_to_u16(arg, "pop_mpls"));
        break;

    case OFPUTIL_NXAST_STACK_PUSH:
        nxm_parse_stack_action(ofpact_put_STACK_PUSH(ofpacts), arg);
        break;
    case OFPUTIL_NXAST_STACK_POP:
        nxm_parse_stack_action(ofpact_put_STACK_POP(ofpacts), arg);
        break;

    case OFPUTIL_NXAST_SAMPLE:
        parse_sample(ofpacts, arg);
        break;
    }
}
Example #3
0
int
aim_main(int argc, char *argv[])
{
    set_crash_handler(crash_handler);

    AIM_LOG_STRUCT_REGISTER();

    loci_logger = ofagent_loci_logger;

    core_cfg.stats_check_ms = 900;

    parse_options(argc, argv);

    /* Setup logging from command line options */
    if (loglevel >= LOGLEVEL_DEFAULT) {
        aim_log_fid_set_all(AIM_LOG_FLAG_MSG, 1);
        aim_log_fid_set_all(AIM_LOG_FLAG_FATAL, 1);
        aim_log_fid_set_all(AIM_LOG_FLAG_ERROR, 1);
        aim_log_fid_set_all(AIM_LOG_FLAG_WARN, 1);
    }

    if (loglevel >= LOGLEVEL_VERBOSE) {
        aim_log_fid_set_all(AIM_LOG_FLAG_VERBOSE, 1);
    }

    if (loglevel >= LOGLEVEL_TRACE) {
        aim_log_fid_set_all(AIM_LOG_FLAG_TRACE, 1);
    }

    if (use_syslog) {
        aim_log_pvs_set_all(aim_pvs_syslog_open("ofagent", LOG_NDELAY, LOG_DAEMON));
    }

    create_pidfile();

    AIM_LOG_MSG("Starting ofagent %s (%s %s) pid %d",
            ofagent_version, ofagent_build_id, ofagent_build_os, getpid());

    /* Increase maximum number of file descriptors */
    struct rlimit rlim = {
        .rlim_cur = SOCKETMANAGER_CONFIG_MAX_SOCKETS,
        .rlim_max = SOCKETMANAGER_CONFIG_MAX_SOCKETS
    };
    if (setrlimit(RLIMIT_NOFILE, &rlim) < 0) {
        AIM_LOG_WARN("Failed to increase RLIMIT_NOFILE");
    }

    /* Initialize all modules */
    if (ind_soc_init(&soc_cfg) < 0) {
        AIM_LOG_FATAL("Failed to initialize Indigo socket manager");
        return 1;
    }

    if (ind_cxn_init(&cxn_cfg) < 0) {
        AIM_LOG_FATAL("Failed to initialize Indigo connection manager");
        return 1;
    }

    if (ind_core_init(&core_cfg) < 0) {
        AIM_LOG_FATAL("Failed to initialize Indigo core module");
        return 1;
    }

    if (bcm_driver_init() < 0) {
        AIM_LOG_FATAL("Failed to initialize BCM driver");
        return 1;
    }

    if (pipeline == NULL) {
        if (openflow_version == NULL || !strcmp(openflow_version, "1.0")) {
            pipeline = "standard-1.0";
        } else if (!strcmp(openflow_version, "1.3")) {
            pipeline = "standard-1.3";
        } else {
            AIM_DIE("unexpected OpenFlow version");
        }
    }

    AIM_LOG_VERBOSE("Initializing forwarding pipeline '%s'", pipeline);
    indigo_error_t rv = pipeline_set(pipeline);
    if (rv < 0) {
        AIM_LOG_FATAL("Failed to set pipeline: %s", indigo_strerror(rv));
        return 1;
    }

    if (config_filename) {
        ind_cfg_filename_set(config_filename);
        if (ind_cfg_load() < 0) {
            AIM_LOG_FATAL("Failed to load configuration file");
            return 1;
        }
    }

    if (dpid) {
        indigo_core_dpid_set(dpid);
    }

    /* Enable all modules */
    if (ind_soc_enable_set(1) < 0) {
        AIM_LOG_FATAL("Failed to enable Indigo socket manager");
        return 1;
    }

    if (ind_cxn_enable_set(1) < 0) {
        AIM_LOG_FATAL("Failed to enable Indigo connection manager");
        return 1;
    }

    if (ind_core_enable_set(1) < 0) {
        AIM_LOG_FATAL("Failed to enable Indigo core module");
        return 1;
    }

    if (bcm_driver_enable_set(1) < 0) {
        AIM_LOG_FATAL("Failed to enable BCM driver");
        return 1;
    }

    /* Add controller from command line */
    {
        biglist_t *element;
        char *str;
        BIGLIST_FOREACH_DATA(element, controllers, char *, str) {
            AIM_LOG_VERBOSE("Adding controller %s", str);

            indigo_cxn_protocol_params_t proto;
            if (parse_controller(str, &proto, OF_TCP_PORT) < 0) {
                AIM_LOG_FATAL("Failed to parse controller string '%s'", str);
                return 1;
            }

            indigo_cxn_config_params_t config = {
                .version = OF_VERSION_1_0,
                .cxn_priority = 0,
                .local = 0,
                .listen = 0,
                .periodic_echo_ms = 2000,
                .reset_echo_count = 3,
            };

            indigo_controller_id_t id;
            if (indigo_controller_add(&proto, &config, &id) < 0) {
                AIM_LOG_FATAL("Failed to add controller %s", str);
                return 1;
            }
        }
    }

    ind_core_mfr_desc_set(mfr_desc);

    snprintf(sw_desc, sizeof(sw_desc),
            "ofagent %s %s %s", ofagent_version,
            ofagent_build_id, ofagent_build_os);
    ind_core_sw_desc_set(sw_desc);

    // TODO
    //read_hardware_version(hw_desc);
    ind_core_hw_desc_set(hw_desc);

    char hostname[256];
    char domainname[256];
    if (gethostname(hostname, sizeof(hostname))) {
        sprintf(hostname, "(unknown)");
    }
    if (getdomainname(domainname, sizeof(domainname))) {
        sprintf(domainname, "(unknown)");
    }
    snprintf(dp_desc, sizeof(dp_desc), "%s.%s pid %d",
             hostname, domainname, getpid());
    ind_core_dp_desc_set(dp_desc);

    AIM_LOG_INFO("Datapath description: %s", dp_desc);

    ind_core_serial_num_set(serial_num);

    /* The SIGHUP handler triggers sighup_callback to run in the main loop. */
    if ((sighup_eventfd = eventfd(0, 0)) < 0) {
        AIM_LOG_FATAL("Failed to allocate eventfd");
        abort();
    }
    signal(SIGHUP, sighup);
    if (ind_soc_socket_register(sighup_eventfd, sighup_callback, NULL) < 0) {
        abort();
    }

    /* The SIGTERM handler triggers sigterm_callback to run in the main loop. */
    if ((sigterm_eventfd = eventfd(0, 0)) < 0) {
        AIM_LOG_FATAL("Failed to allocate eventfd");
        abort();
    }
    signal(SIGTERM, sigterm);
    if (ind_soc_socket_register(sigterm_eventfd, sigterm_callback, NULL) < 0) {
        abort();
    }

    /* TODO Start handling upcalls */
    //ind_ovs_enable();

    //packet_trace_init(datapath_name);

    ind_soc_select_and_run(-1);

    AIM_LOG_MSG("Stopping ofagent %s", ofagent_version);

    ind_core_finish();
    bcm_driver_finish();
    ind_cxn_finish();
    ind_soc_finish();

    return 0;
}