C++ eloop_register_timeout函数代码示例

static void update_channel_utilization(void *eloop_data, void *user_data)
{
	struct hostapd_data *hapd = eloop_data;
	unsigned int sec, usec;
	int err;
	struct hostapd_iface *iface = hapd->iface;

	if (!(hapd->beacon_set_done && hapd->started))
		return;

	err = hostapd_drv_get_survey(hapd, hapd->iface->freq);
	if (err) {
		wpa_printf(MSG_ERROR, "BSS Load: Failed to get survey data");
		return;
	}

	ieee802_11_set_beacon(hapd);

	if (get_bss_load_update_timeout(hapd, &sec, &usec) < 0)
		return;

	if (hapd->conf->chan_util_avg_period) {
		iface->chan_util_samples_sum += iface->channel_utilization;
		iface->chan_util_num_sample_periods +=
			hapd->conf->bss_load_update_period;
		if (iface->chan_util_num_sample_periods >=
		    hapd->conf->chan_util_avg_period) {
			iface->chan_util_average =
				iface->chan_util_samples_sum /
				(iface->chan_util_num_sample_periods /
				 hapd->conf->bss_load_update_period);
			iface->chan_util_samples_sum = 0;
			iface->chan_util_num_sample_periods = 0;
		}
	}

	eloop_register_timeout(sec, usec, update_channel_utilization, hapd,
			       NULL);
}

static void hostapd_cli_ping(void *eloop_ctx, void *timeout_ctx)
{
	if (ctrl_conn && _wpa_ctrl_command(ctrl_conn, "PING", 0)) {
		printf("Connection to hostapd lost - trying to reconnect\n");
		hostapd_cli_close_connection();
	}
	if (!ctrl_conn) {
		ctrl_conn = hostapd_cli_open_connection(ctrl_ifname);
		if (ctrl_conn) {
			printf("Connection to hostapd re-established\n");
			if (wpa_ctrl_attach(ctrl_conn) == 0) {
				hostapd_cli_attached = 1;
			} else {
				printf("Warning: Failed to attach to "
				       "hostapd.\n");
			}
		}
	}
	if (ctrl_conn)
		hostapd_cli_recv_pending(ctrl_conn, 1, 0);
	eloop_register_timeout(ping_interval, 0, hostapd_cli_ping, NULL, NULL);
}

int radius_client_init(struct wpa_supplicant *wpa_s)
{
	wpa_s->radius = malloc(sizeof(struct radius_client_data));
	if (wpa_s->radius == NULL)
		return -1;

	memset(wpa_s->radius, 0, sizeof(struct radius_client_data));
	wpa_s->radius->auth_serv_sock = wpa_s->radius->acct_serv_sock = -1;

	if (wpa_s->auth_server && radius_client_init_auth(wpa_s))
		return -1;

	if (wpa_s->acct_server && radius_client_init_acct(wpa_s))
		return -1;

	if (wpa_s->radius_retry_primary_interval)
		eloop_register_timeout(wpa_s->radius_retry_primary_interval, 0,
				       radius_retry_primary_timer, wpa_s,
				       NULL);

	return 0;
}

static void radius_retry_primary_timer(void *eloop_ctx, void *timeout_ctx)
{
	struct radius_client_data *radius = eloop_ctx;
	struct hostapd_radius_servers *conf = radius->conf;
	struct hostapd_radius_server *oserv;

	if (radius->auth_sock >= 0 && conf->auth_servers &&
	    conf->auth_server != conf->auth_servers) {
		oserv = conf->auth_server;
		conf->auth_server = conf->auth_servers;
		if (radius_change_server(radius, conf->auth_server, oserv,
					 radius->auth_serv_sock,
					 radius->auth_serv_sock6, 1) < 0) {
			conf->auth_server = oserv;
			radius_change_server(radius, oserv, conf->auth_server,
					     radius->auth_serv_sock,
					     radius->auth_serv_sock6, 1);
		}
	}

	if (radius->acct_sock >= 0 && conf->acct_servers &&
	    conf->acct_server != conf->acct_servers) {
		oserv = conf->acct_server;
		conf->acct_server = conf->acct_servers;
		if (radius_change_server(radius, conf->acct_server, oserv,
					 radius->acct_serv_sock,
					 radius->acct_serv_sock6, 0) < 0) {
			conf->acct_server = oserv;
			radius_change_server(radius, oserv, conf->acct_server,
					     radius->acct_serv_sock,
					     radius->acct_serv_sock6, 0);
		}
	}

	if (conf->retry_primary_interval)
		eloop_register_timeout(conf->retry_primary_interval, 0,
				       radius_retry_primary_timer, radius,
				       NULL);
}

/* httpread_create -- start a new reading session making use of eloop.
 * The new instance will use the socket descriptor for reading (until
 * it gets a file and not after) but will not close the socket, even
 * when the instance is destroyed (the application must do that).
 * Return NULL on error.
 *
 * Provided that httpread_create successfully returns a handle,
 * the callback fnc is called to handle httpread_event events.
 * The caller should do destroy on any errors or unknown events.
 *
 * Pass max_bytes == 0 to not read body at all (required for e.g.
 * reply to HEAD request).
 */
struct httpread * httpread_create(
	int sd,	 /* descriptor of TCP socket to read from */
	void (*cb)(struct httpread *handle, void *cookie,
		   enum httpread_event e),  /* call on event */
	void *cookie,    /* pass to callback */
	int max_bytes,	  /* maximum body size else abort it */
	int timeout_seconds     /* 0; or total duration timeout period */
	)
{
	struct httpread *h = NULL;

	h = os_zalloc(sizeof(*h));
	if (h == NULL)
		goto fail;
	h->sd = sd;
	h->cb = cb;
	h->cookie = cookie;
	h->max_bytes = max_bytes;
	h->timeout_seconds = timeout_seconds;

	if (timeout_seconds > 0 &&
	    eloop_register_timeout(timeout_seconds, 0,
				   httpread_timeout_handler, NULL, h)) {
		/* No way to recover (from malloc failure) */
		goto fail;
	}
	if (eloop_register_sock(sd, EVENT_TYPE_READ, httpread_read_handler,
				NULL, h)) {
		/* No way to recover (from malloc failure) */
		goto fail;
	}
	return h;

fail:

	/* Error */
	httpread_destroy(h);
	return NULL;
}

/* The rekeying function: generate a new broadcast WEP key, rotate
 * the key index, and direct Key Transmit State Machines of all of the
 * authenticators to send a new key to the authenticated stations.
 */
static void hostapd_rotate_wep(void *eloop_ctx, void *timeout_ctx)
{
	struct sta_info *s;
	hostapd *hapd = eloop_ctx;

	if (hapd->default_wep_key)
		free(hapd->default_wep_key);

	if (hapd->default_wep_key_idx >= 3)
		hapd->default_wep_key_idx =
			hapd->conf->individual_wep_key_len > 0 ? 1 : 0;
	else
		hapd->default_wep_key_idx++;

	hostapd_set_broadcast_wep(hapd);

	for (s = hapd->sta_list; s != NULL; s = s->next)
		ieee802_1x_notify_key_available(s->eapol_sm, 1);

	if (HOSTAPD_DEBUG_COND(HOSTAPD_DEBUG_MINIMAL)) {
		hostapd_hexdump("New WEP key generated",
				hapd->default_wep_key,
				hapd->conf->default_wep_key_len);
	}

	/* TODO: Could setup key for RX here, but change default TX keyid only
	 * after new broadcast key has been sent to all stations. */
	if (hostapd_set_encryption(hapd->driver.data, "WEP", NULL,
				   hapd->default_wep_key_idx,
				   hapd->default_wep_key,
				   hapd->conf->default_wep_key_len)) {
		printf("Could not set WEP encryption.\n");
	}

	if (hapd->conf->wep_rekeying_period > 0)
		eloop_register_timeout(hapd->conf->wep_rekeying_period, 0,
				       hostapd_rotate_wep, hapd, NULL);
}

int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
		       const char *pin, struct wps_new_ap_settings *settings)
{
	struct wpa_ssid *ssid;
	char val[200];
	char *pos, *end;
	int res;

	if (!pin)
		return -1;
	wpas_clear_wps(wpa_s);
	ssid = wpas_wps_add_network(wpa_s, 1, bssid);
	if (ssid == NULL)
		return -1;
	pos = val;
	end = pos + sizeof(val);
	res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
	if (res < 0 || res >= end - pos)
		return -1;
	pos += res;
	if (settings) {
		res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
				  "new_encr=%s new_key=%s",
				  settings->ssid_hex, settings->auth,
				  settings->encr, settings->key_hex);
		if (res < 0 || res >= end - pos)
			return -1;
		pos += res;
	}
	res = os_snprintf(pos, end - pos, "\"");
	if (res < 0 || res >= end - pos)
		return -1;
	wpa_config_set(ssid, "phase1", val, 0);
	eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
			       wpa_s, NULL);
	wpas_wps_reassoc(wpa_s, ssid);
	return 0;
}

/* initiate new SAE authentication with sta */
int mesh_rsn_auth_sae_sta(struct wpa_supplicant *wpa_s,
			  struct sta_info *sta)
{
	struct hostapd_data *hapd = wpa_s->ifmsh->bss[0];
	struct wpa_ssid *ssid = wpa_s->current_ssid;
	unsigned int rnd;
	int ret;

	if (!ssid) {
		wpa_msg(wpa_s, MSG_DEBUG,
			"AUTH: No current_ssid known to initiate new SAE");
		return -1;
	}

	if (!sta->sae) {
		sta->sae = os_zalloc(sizeof(*sta->sae));
		if (sta->sae == NULL)
			return -1;
	}

	if (mesh_rsn_build_sae_commit(wpa_s, ssid, sta))
		return -1;

	wpa_msg(wpa_s, MSG_DEBUG,
		"AUTH: started authentication with SAE peer: " MACSTR,
		MAC2STR(sta->addr));

	wpa_supplicant_set_state(wpa_s, WPA_AUTHENTICATING);
	ret = auth_sae_init_committed(hapd, sta);
	if (ret)
		return ret;

	eloop_cancel_timeout(mesh_auth_timer, wpa_s, sta);
	rnd = rand() % MESH_AUTH_TIMEOUT;
	eloop_register_timeout(MESH_AUTH_TIMEOUT + rnd, 0, mesh_auth_timer,
			       wpa_s, sta);
	return 0;
}

void sme_disassoc_while_authenticating(struct wpa_supplicant *wpa_s,
				       const u8 *prev_pending_bssid)
{
	/*
	* Android to provide a "Scanning always available" since in Android 4.3
	* to have a backround scan for Google's location service and other apps
	* scan for networks even Wi-Fi is off. It is default enabled that when
	* user switch Wi-Fi radio on/off quickly and Wi-Fi wouldn't reconnet
	* back to remembered AP due to rejection from sme_authenticate() which
	* would check if connect_work existed or not. If it is disabled,
	* no such issue since  wpa_supplicant would be killed and restart when
	* Wi-Fi enabled.
	* wpa_supplicant_mark_disassoc() would set to WPA_DISCONNECTED before
	* being here.
	*/
	if (wpa_s->connect_work && wpa_s->wpa_state == WPA_DISCONNECTED) {
		wpa_dbg(wpa_s, MSG_DEBUG, "SME: reset "
			"connect_work when disconnection");
		wpas_connect_work_done(wpa_s);
	}

	/*
	 * mac80211-workaround to force deauth on failed auth cmd,
	 * requires us to remain in authenticating state to allow the
	 * second authentication attempt to be continued properly.
	 */
	wpa_dbg(wpa_s, MSG_DEBUG, "SME: Allow pending authentication "
		"to proceed after disconnection event");
	wpa_supplicant_set_state(wpa_s, WPA_AUTHENTICATING);
	os_memcpy(wpa_s->pending_bssid, prev_pending_bssid, ETH_ALEN);

	/*
	 * Re-arm authentication timer in case auth fails for whatever reason.
	 */
	eloop_cancel_timeout(sme_auth_timer, wpa_s, NULL);
	eloop_register_timeout(SME_AUTH_TIMEOUT, 0, sme_auth_timer, wpa_s,
			       NULL);
}

static void sme_sa_query_timer(void *eloop_ctx, void *timeout_ctx)
{
	struct wpa_supplicant *wpa_s = eloop_ctx;
	unsigned int timeout, sec, usec;
	u8 *trans_id, *nbuf;

	if (wpa_s->sme.sa_query_count > 0 &&
	    sme_check_sa_query_timeout(wpa_s))
		return;

	nbuf = os_realloc_array(wpa_s->sme.sa_query_trans_id,
				wpa_s->sme.sa_query_count + 1,
				WLAN_SA_QUERY_TR_ID_LEN);
	if (nbuf == NULL)
		return;
	if (wpa_s->sme.sa_query_count == 0) {
		/* Starting a new SA Query procedure */
		os_get_reltime(&wpa_s->sme.sa_query_start);
	}
	trans_id = nbuf + wpa_s->sme.sa_query_count * WLAN_SA_QUERY_TR_ID_LEN;
	wpa_s->sme.sa_query_trans_id = nbuf;
	wpa_s->sme.sa_query_count++;

	if (os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0) {
		wpa_printf(MSG_DEBUG, "Could not generate SA Query ID");
		return;
	}

	timeout = sa_query_retry_timeout;
	sec = ((timeout / 1000) * 1024) / 1000;
	usec = (timeout % 1000) * 1024;
	eloop_register_timeout(sec, usec, sme_sa_query_timer, wpa_s, NULL);

	wpa_dbg(wpa_s, MSG_DEBUG, "SME: Association SA Query attempt %d",
		wpa_s->sme.sa_query_count);

	sme_send_sa_query_req(wpa_s, trans_id);
}

static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx)
{
	struct hostapd_data *hapd = eloop_ctx;
	struct sta_info *sta = timeout_ctx;
	unsigned int timeout, sec, usec;
	u8 *trans_id, *nbuf;

	if (sta->sa_query_count > 0 &&
	    ap_check_sa_query_timeout(hapd, sta))
		return;

	nbuf = os_realloc(sta->sa_query_trans_id,
			  (sta->sa_query_count + 1) * WLAN_SA_QUERY_TR_ID_LEN);
	if (nbuf == NULL)
		return;
	if (sta->sa_query_count == 0) {
		/* Starting a new SA Query procedure */
		os_get_time(&sta->sa_query_start);
	}
	trans_id = nbuf + sta->sa_query_count * WLAN_SA_QUERY_TR_ID_LEN;
	sta->sa_query_trans_id = nbuf;
	sta->sa_query_count++;

	os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN);

	timeout = hapd->conf->assoc_sa_query_retry_timeout;
	sec = ((timeout / 1000) * 1024) / 1000;
	usec = (timeout % 1000) * 1024;
	eloop_register_timeout(sec, usec, ap_sa_query_timer, hapd, sta);

	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
		       HOSTAPD_LEVEL_DEBUG,
		       "association SA Query attempt %d", sta->sa_query_count);

#ifdef NEED_AP_MLME
	ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id);
#endif /* NEED_AP_MLME */
}

int upnp_er_set_selected_registrar(struct wps_registrar *reg,
				   struct subscription *s,
				   const struct wpabuf *msg)
{
	struct wps_parse_attr attr;

	wpa_hexdump_buf(MSG_MSGDUMP, "WPS: SetSelectedRegistrar attributes",
			msg);

	if (wps_parse_msg(msg, &attr) < 0)
		return -1;
	if (!wps_version_supported(attr.version)) {
		wpa_printf(MSG_DEBUG, "WPS: Unsupported SetSelectedRegistrar "
			   "version 0x%x", attr.version ? *attr.version : 0);
		return -1;
	}

	s->reg = reg;
	eloop_cancel_timeout(upnp_er_set_selected_timeout, s, NULL);

	if (attr.selected_registrar == NULL || *attr.selected_registrar == 0) {
		wpa_printf(MSG_DEBUG, "WPS: SetSelectedRegistrar: Disable "
			   "Selected Registrar");
		s->selected_registrar = 0;
	} else {
		s->selected_registrar = 1;
		s->dev_password_id = attr.dev_password_id ?
			WPA_GET_BE16(attr.dev_password_id) : DEV_PW_DEFAULT;
		s->config_methods = attr.sel_reg_config_methods ?
			WPA_GET_BE16(attr.sel_reg_config_methods) : -1;
		eloop_register_timeout(WPS_PBC_WALK_TIME, 0,
				       upnp_er_set_selected_timeout, s, NULL);
	}

	wps_registrar_selected_registrar_changed(reg);

	return 0;
}

void
wrapd_wpa_s_ctrl_iface_process(struct wrap_demon *aptr, char *msg)
{
	if (os_strncmp(msg + WPA_S_MSG_ADDR_OFF, "CTRL-EVENT-DISCONNECTED ", 24) == 0) {
        aptr->mpsta_conn = 0;
        wrapd_disconn_all(aptr);
        
	} else if (os_strncmp(msg + WPA_S_MSG_ADDR_OFF, "CTRL-EVENT-CONNECTED ", 21) == 0) {
        aptr->mpsta_conn = 1;
        if ((NULL == wrapd_hostapd_conn) || (0 == aptr->do_timer) ){
            wrapd_conn_all(aptr);
        } else {
            if (0 == aptr->in_timer) {
                eloop_register_timeout(1, 0, wrapd_conn_timer, aptr, NULL);
                aptr->in_timer = 1;
            }
        }
        
	} else {
		//wrapd_printf("Unknow msg(%s)", msg);
	}

}

int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
		       const char *pin)
{
	struct wpa_ssid *ssid;
	char val[128];
	unsigned int rpin = 0;

	wpas_clear_wps(wpa_s);
	ssid = wpas_wps_add_network(wpa_s, 0, bssid);
	if (ssid == NULL)
		return -1;
	if (pin)
		os_snprintf(val, sizeof(val), "\"pin=%s\"", pin);
	else {
		rpin = wps_generate_pin();
		os_snprintf(val, sizeof(val), "\"pin=%08d\"", rpin);
	}
	wpa_config_set(ssid, "phase1", val, 0);
	eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
			       wpa_s, NULL);
	wpas_wps_reassoc(wpa_s, ssid);
	return rpin;
}

static void sme_obss_scan_timeout(void *eloop_ctx, void *timeout_ctx)
{
	struct wpa_supplicant *wpa_s = eloop_ctx;
	struct wpa_driver_scan_params params;

	if (!wpa_s->current_bss) {
		wpa_printf(MSG_DEBUG, "SME OBSS: Ignore scan request");
		return;
	}

	os_memset(&params, 0, sizeof(params));
	wpa_setband_scan_freqs_list(wpa_s, HOSTAPD_MODE_IEEE80211G, &params);
	wpa_printf(MSG_DEBUG, "SME OBSS: Request an OBSS scan");

	if (wpa_supplicant_trigger_scan(wpa_s, &params))
		wpa_printf(MSG_DEBUG, "SME OBSS: Failed to trigger scan");
	else
		wpa_s->sme.sched_obss_scan = 1;
	os_free(params.freqs);

	eloop_register_timeout(wpa_s->sme.obss_scan_int, 0,
			       sme_obss_scan_timeout, wpa_s, NULL);
}