static void
ind_cxn_cfg_commit(void)
{
aim_log_t *lobj;
int i, enable;
if (staged_config.valid != true)
return;
/* Commit config only if connection manager is enabled. */
(void) ind_cxn_enable_get(&enable);
if (!enable)
return;
if ((lobj = aim_log_find("ofconnectionmanager")) == NULL) {
AIM_LOG_WARN("Could not find log module");
} else {
lobj->common_flags = staged_config.log_flags;
}
/* configure TLS before parsing controller configs */
(void) indigo_cxn_config_tls(staged_config.cipher_list,
staged_config.ca_cert,
staged_config.switch_cert,
staged_config.switch_priv_key,
staged_config.exp_controller_suffix);
for (i = 0; i < staged_config.num_controllers; i++) {
struct controller *c = &staged_config.controllers[i];
const struct controller *old_controller;
int rv;
char desc[256];
ind_cxn_proto_ip_string(&c->proto, desc, sizeof(desc));
AIM_LOG_INFO("controller %d: %s", i, desc);
/* Keep existing connections to the same controller. */
if ((old_controller = find_controller(¤t_config, &c->proto))) {
c->controller_id = old_controller->controller_id;
/* TODO apply keepalive_period to existing connection. */
continue;
}
rv = indigo_controller_add(&c->proto, &c->config, &c->controller_id);
if (rv != 0) {
AIM_LOG_ERROR("failed to add controller connection %d: %s",
i, desc);
}
}
/* Remove controller's that don't exist in the new configuration. */
for (i = 0; i < current_config.num_controllers; i++) {
const struct controller *c = ¤t_config.controllers[i];
if (!find_controller(&staged_config, &c->proto)) {
(void) indigo_controller_remove(c->controller_id);
}
}
/* Save config so we can diff the controllers next time */
current_config = staged_config;
staged_config.valid = false;
}
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;
}
