Android设备在于AP关联时，如果AP返回关联拒绝帧，Android设别会把AP加入黑名单中。
黑名单中的设备将会在扫描时，延时一段时间放在后面处理。
代码以及log基于SDM450, Android O
10-26 22:49:44.937 2215 2215 D wpa_supplicant: nl80211: Drv Event 46 (NL80211_CMD_CONNECT) received for wlan0
10-26 22:49:44.937 2215 2215 D wpa_supplicant: nl80211: Connect event (status=1 ignore_next_local_disconnect=0)
10-26 22:49:44.937 2215 2215 D wpa_supplicant: wlan0: Event ASSOC_REJECT (13) received
10-26 22:49:44.937 2215 2215 I wpa_supplicant: wlan0: CTRL-EVENT-ASSOC-REJECT bssid=ac:a3:1e:90:a7:00 status_code=1
10-26 22:49:44.937 2215 2215 D wpa_supplicant: CTRL-DEBUG: ctrl_sock-sendmsg: sock=8 sndbuf=163840 outq=0 send_len=61
10-26 22:49:44.937 2215 2215 D wpa_supplicant: CTRL_IFACE monitor sent successfully to /data/misc/wifi/sockets/wpa_ctrl_1749-3x00
10-26 22:49:44.937 2215 2215 D wpa_supplicant: wlan0: Radio work 'connect'@0xab316240 done in 1.284062 seconds
10-26 22:49:44.937 2215 2215 D wpa_supplicant: wlan0: radio_work_free('connect'@0xab316240: num_active_works --> 0
10-26 22:49:44.937 1749 2340 D WifiMonitor: Event [IFNAME=wlan0 CTRL-EVENT-ASSOC-REJECT bssid=ac:a3:1e:90:a7:00 status_code=1]
10-26 22:49:44.937 2215 2215 D wpa_supplicant: Added BSSID ac:a3:1e:90:a7:00 into blacklist
10-26 22:49:44.938 2215 2215 D wpa_supplicant: wlan0: Another BSS in this ESS has been seen; try it next // ESS中还有其他的BSS
10-26 22:49:44.938 2215 2215 D wpa_supplicant: BSSID ac:a3:1e:90:a7:00 blacklist count incremented to 2
10-26 22:49:44.938 2215 2215 D wpa_supplicant: wlan0: Blacklist count 3 --> request scan in 1000 ms
10-26 22:49:44.938 2215 2215 D wpa_supplicant: wlan0: Setting scan request: 1.000000 sec
10-26 22:49:44.938 2215 2215 D wpa_supplicant: wlan0: State: ASSOCIATING -> DISCONNECTED
10-26 22:49:43.094 1749 2340 D WifiMonitor: Event [IFNAME=wlan0 CTRL-EVENT-ASSOC-REJECT bssid=ac:a3:1e:90:a7:00 status_code=1]
10-26 22:49:43.094 1749 2340 D WifiMonitor: wlan0 cnt=5727 dispatchEvent: CTRL-EVENT-ASSOC-REJECT bssid=ac:a3:1e:90:a7:00 status_code=1
10-26 22:49:43.095 1749 2340 D WifiMonitor: Event [IFNAME=wlan0 CTRL-EVENT-STATE-CHANGE id=0 state=0 BSSID=00:00:00:00:00:00 SSID=coupang]
10-26 22:49:43.095 1749 2340 D WifiMonitor: wlan0 cnt=5728 dispatchEvent: CTRL-EVENT-STATE-CHANGE id=0 state=0 BSSID=00:00:00:00:00:00 SSID=coupang
10-26 22:49:43.095 1749 2081 D WifiStateMachine: DisconnectedState ASSOCIATION_REJECTION_EVENT rt=13253916/14362444 5727 1 ac:a3:1e:90:a7:00 blacklist=false
10-26 22:49:43.095 1749 2081 D WifiStateMachine: ConnectModeState ASSOCIATION_REJECTION_EVENT rt=13253916/14362445 5727 1 ac:a3:1e:90:a7:00 blacklist=false
externalwpa_supplicant_8wpa_supplicantevents.c
void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
union wpa_event_data *data)
{
struct wpa_supplicant *wpa_s = ctx;
int resched;
if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
event != EVENT_INTERFACE_ENABLED &&
event != EVENT_INTERFACE_STATUS &&
event != EVENT_SCAN_RESULTS &&
event != EVENT_SCHED_SCAN_STOPPED) {
wpa_dbg(wpa_s, MSG_DEBUG,
"Ignore event %s (%d) while interface is disabled",
event_to_string(event), event);
return;
}
#ifndef CONFIG_NO_STDOUT_DEBUG
{
int level = MSG_DEBUG;
if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
const struct ieee80211_hdr *hdr;
u16 fc;
hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
fc = le_to_host16(hdr->frame_control);
if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
level = MSG_EXCESSIVE;
}
//打印 Event ASSOC_REJECT (13) received
wpa_dbg(wpa_s, level, "Event %s (%d) received",
event_to_string(event), event);
}
case EVENT_ASSOC_REJECT: // 处理关联拒绝事件
if (data->assoc_reject.bssid)
//打印结果：wlan0: CTRL-EVENT-ASSOC-REJECT bssid=ac:a3:1e:90:a7:00 status_code=1
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
"bssid=" MACSTR " status_code=%u%s%s%s",
MAC2STR(data->assoc_reject.bssid),
data->assoc_reject.status_code,
data->assoc_reject.timed_out ? " timeout" : "",
data->assoc_reject.timeout_reason ? "=" : "",
data->assoc_reject.timeout_reason ?
data->assoc_reject.timeout_reason : "");
else
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
"status_code=%u%s%s%s",
data->assoc_reject.status_code,
data->assoc_reject.timed_out ? " timeout" : "",
data->assoc_reject.timeout_reason ? "=" : "",
data->assoc_reject.timeout_reason ?
data->assoc_reject.timeout_reason : "");
wpa_s->assoc_status_code = data->assoc_reject.status_code;
wpa_s->assoc_timed_out = data->assoc_reject.timed_out;
wpas_notify_assoc_status_code(wpa_s);
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
sme_event_assoc_reject(wpa_s, data);
else {
const u8 *bssid = data->assoc_reject.bssid;
#ifdef CONFIG_FILS
/* Update ERP next sequence number */
if (wpa_s->auth_alg == WPA_AUTH_ALG_FILS)
eapol_sm_update_erp_next_seq_num(
wpa_s->eapol,
data->assoc_reject.fils_erp_next_seq_num);
#endif /* CONFIG_FILS */
if (bssid == NULL || is_zero_ether_addr(bssid))
bssid = wpa_s->pending_bssid;
wpas_connection_failed(wpa_s, bssid);
wpa_supplicant_mark_disassoc(wpa_s);
}
break;
wpas_connection_failed(wpa_s, bssid);
wpa_supplicant_mark_disassoc(wpa_s);
}
externalwpa_supplicant_8wpa_supplicantwpa_supplicant.c
void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid)
{
int timeout;
int count;
int *freqs = NULL;
wpas_connect_work_done(wpa_s);
/*
* Remove possible authentication timeout since the connection failed.
*/
eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL);
/*
* There is no point in blacklisting the AP if this event is
* generated based on local request to disconnect.
*/
if (wpa_s->own_disconnect_req) {
wpa_s->own_disconnect_req = 0;
wpa_dbg(wpa_s, MSG_DEBUG,
"Ignore connection failure due to local request to disconnect");
return;
}
if (wpa_s->disconnected) {
wpa_dbg(wpa_s, MSG_DEBUG, "Ignore connection failure "
"indication since interface has been put into "
"disconnected state");
return;
}
/*
* Add the failed BSSID into the blacklist and speed up next scan
* attempt if there could be other APs that could accept association.
* The current blacklist count indicates how many times we have tried
* connecting to this AP and multiple attempts mean that other APs are
* either not available or has already been tried, so that we can start
* increasing the delay here to avoid constant scanning.
*/
count = wpa_blacklist_add(wpa_s, bssid); // 加入黑名单
if (count == 1 && wpa_s->current_bss) {
/*
* This BSS was not in the blacklist before. If there is
* another BSS available for the same ESS, we should try that
* next. Otherwise, we may as well try this one once more
* before allowing other, likely worse, ESSes to be considered.
*/
// 一个ESS中有多个BSS，ssid都相同，由不同的AP组成，BSSID不同。
// 这个函数就是从BSS中找出其他频率,没有加入黑名单的BSSID来进行下一次扫描。
freqs = get_bss_freqs_in_ess(wpa_s);
if (freqs) {
wpa_dbg(wpa_s, MSG_DEBUG, "Another BSS in this ESS "
"has been seen; try it next");
wpa_blacklist_add(wpa_s, bssid);
/*
* On the next scan, go through only the known channels
* used in this ESS based on previous scans to speed up
* common load balancing use case.
*/
os_free(wpa_s->next_scan_freqs);
// 下次扫描的频率
wpa_s->next_scan_freqs = freqs;
}
}
/*
* Add previous failure count in case the temporary blacklist was
* cleared due to no other BSSes being available.
*/
count += wpa_s->extra_blacklist_count;
if (count > 3 && wpa_s->current_ssid) {
wpa_printf(MSG_DEBUG, "Continuous association failures - "
"consider temporary network disabling");
wpas_auth_failed(wpa_s, "CONN_FAILED");
}
switch (count) {
case 1:
timeout = 100;
break;
case 2:
timeout = 500;
break;
case 3:
timeout = 1000;
break;
case 4:
timeout = 5000;
break;
default:
timeout = 10000;
break;
}
wpa_dbg(wpa_s, MSG_DEBUG, "Blacklist count %d --> request scan in %d "
"ms", count, timeout);
/*
* TODO: if more than one possible AP is available in scan results,
* could try the other ones before requesting a new scan.
*/
wpa_supplicant_req_scan(wpa_s, timeout / 1000,
1000 * (timeout % 1000));
}
void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
{
int bssid_changed;
wnm_bss_keep_alive_deinit(wpa_s);
#ifdef CONFIG_IBSS_RSN
ibss_rsn_deinit(wpa_s->ibss_rsn);
wpa_s->ibss_rsn = NULL;
#endif /* CONFIG_IBSS_RSN */
#ifdef CONFIG_AP
wpa_supplicant_ap_deinit(wpa_s);
#endif /* CONFIG_AP */
#ifdef CONFIG_HS20
/* Clear possibly configured frame filters */
wpa_drv_configure_frame_filters(wpa_s, 0);
#endif /* CONFIG_HS20 */
if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
return;
// 更改wpa的状态。
wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
os_memset(wpa_s->bssid, 0, ETH_ALEN);
os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
sme_clear_on_disassoc(wpa_s);
wpa_s->current_bss = NULL;
wpa_s->assoc_freq = 0;
if (bssid_changed)
wpas_notify_bssid_changed(wpa_s);
eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
wpa_s->key_mgmt == WPA_KEY_MGMT_DPP)
eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
wpa_s->ap_ies_from_associnfo = 0;
wpa_s->current_ssid = NULL;
eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
wpa_s->key_mgmt = 0;
wpas_rrm_reset(wpa_s);
wpa_s->wnmsleep_used = 0;
}
externalwpa_supplicant_8wpa_supplicantwpa_supplicant.c
void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
enum wpa_states state)
{
enum wpa_states old_state = wpa_s->wpa_state;
// 这里就是我们经常看到的log： wlan0: State: ASSOCIATING -> DISCONNECTED
wpa_dbg(wpa_s, MSG_DEBUG, "State: %s -> %s",
wpa_supplicant_state_txt(wpa_s->wpa_state),
wpa_supplicant_state_txt(state));
if (state == WPA_INTERFACE_DISABLED) {
/* Assure normal scan when interface is restored */
wpa_s->normal_scans = 0;
}
if (state == WPA_COMPLETED) {
wpas_connect_work_done(wpa_s);
/* Reinitialize normal_scan counter */
wpa_s->normal_scans = 0;
}
......
if (state != WPA_SCANNING)
wpa_supplicant_notify_scanning(wpa_s, 0);
// 如果是WPA_COMPLETED
if (state == WPA_COMPLETED && wpa_s->new_connection) {
struct wpa_ssid *ssid = wpa_s->current_ssid;
int fils_hlp_sent = 0;
#ifdef CONFIG_SME
if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
wpa_auth_alg_fils(wpa_s->sme.auth_alg))
fils_hlp_sent = 1;
#endif /* CONFIG_SME */
if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
wpa_auth_alg_fils(wpa_s->auth_alg))
fils_hlp_sent = 1;
#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- Connection to "
MACSTR " completed [id=%d id_str=%s%s]",
MAC2STR(wpa_s->bssid),
ssid ? ssid->id : -1,
ssid && ssid->id_str ? ssid->id_str : "",
fils_hlp_sent ? " FILS_HLP_SENT" : "");
#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
wpas_clear_temp_disabled(wpa_s, ssid, 1);
wpa_blacklist_clear(wpa_s); // 连接上了，设备从黑名单移除
wpa_s->extra_blacklist_count = 0;
wpa_s->new_connection = 0;
wpa_drv_set_operstate(wpa_s, 1);
#ifndef IEEE8021X_EAPOL
wpa_drv_set_supp_port(wpa_s, 1);
#endif /* IEEE8021X_EAPOL */
wpa_s->after_wps = 0;
wpa_s->known_wps_freq = 0;
wpas_p2p_completed(wpa_s);
sme_sched_obss_scan(wpa_s, 1);
#if defined(CONFIG_FILS) && defined(IEEE8021X_EAPOL)
if (!fils_hlp_sent && ssid && ssid->eap.erp)
wpas_update_fils_connect_params(wpa_s);
#endif /* CONFIG_FILS && IEEE8021X_EAPOL */
// disconnect 状态的处理
} else if (state == WPA_DISCONNECTED || state == WPA_ASSOCIATING ||
state == WPA_ASSOCIATED) {
wpa_s->new_connection = 1;
wpa_drv_set_operstate(wpa_s, 0);
#ifndef IEEE8021X_EAPOL
wpa_drv_set_supp_port(wpa_s, 0);
#endif /* IEEE8021X_EAPOL */
sme_sched_obss_scan(wpa_s, 0);
}
wpa_s->wpa_state = state;
#ifdef CONFIG_BGSCAN
if (state == WPA_COMPLETED)
wpa_supplicant_start_bgscan(wpa_s);
else if (state < WPA_ASSOCIATED)
wpa_supplicant_stop_bgscan(wpa_s);
#endif /* CONFIG_BGSCAN */
#if 0 //qc_modify
wpa_s->wapi_state = wpa_state_to_wapi_state(wpa_s->wpa_state);
wpa_printf(MSG_DEBUG, "%s wapi_state : %d
",__func__ ,wpa_s->wapi_state);
#endif
if (state == WPA_AUTHENTICATING)
wpa_supplicant_stop_autoscan(wpa_s);
// 断开连接，进行自动扫描
if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
wpa_supplicant_start_autoscan(wpa_s);
if (old_state >= WPA_ASSOCIATED && wpa_s->wpa_state < WPA_ASSOCIATED)
wmm_ac_notify_disassoc(wpa_s);
if (wpa_s->wpa_state != old_state) {
wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state);
/*
* Notify the P2P Device interface about a state change in one
* of the interfaces.
*/
wpas_p2p_indicate_state_change(wpa_s);
if (wpa_s->wpa_state == WPA_COMPLETED ||
old_state == WPA_COMPLETED)
wpas_notify_auth_changed(wpa_s);
}
}
// 通知时间给上层
externalwpa_supplicant_8wpa_supplicant
otify.c
void wpas_notify_state_changed(struct wpa_supplicant *wpa_s,
enum wpa_states new_state,
enum wpa_states old_state)
{
if (wpa_s->p2p_mgmt)
return;
/* notify the old DBus API */
wpa_supplicant_dbus_notify_state_change(wpa_s, new_state,
old_state);
/* notify the new DBus API */
wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_STATE);
#ifdef CONFIG_FST
if (wpa_s->fst && !is_zero_ether_addr(wpa_s->bssid)) {
if (new_state == WPA_COMPLETED)
fst_notify_peer_connected(wpa_s->fst, wpa_s->bssid);
else if (old_state >= WPA_ASSOCIATED &&
new_state < WPA_ASSOCIATED)
fst_notify_peer_disconnected(wpa_s->fst, wpa_s->bssid);
}
#endif /* CONFIG_FST */
if (new_state == WPA_COMPLETED)
wpas_p2p_notif_connected(wpa_s);
else if (old_state >= WPA_ASSOCIATED && new_state < WPA_ASSOCIATED)
wpas_p2p_notif_disconnected(wpa_s);
sme_state_changed(wpa_s);
#ifdef ANDROID
wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
"id=%d state=%d BSSID=" MACSTR " SSID=%s",
wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
new_state,
MAC2STR(wpa_s->bssid),
wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
wpa_ssid_txt(wpa_s->current_ssid->ssid,
wpa_s->current_ssid->ssid_len) : "");
#endif /* ANDROID */
wpas_hidl_notify_state_changed(wpa_s); // 发送给hidl
}
externalwpa_supplicant_8wpa_supplicanthidl1.0hidl.cpp
int wpas_hidl_notify_state_changed(struct wpa_supplicant *wpa_s)
{
if (!wpa_s || !wpa_s->global->hidl)
return 1;
wpa_printf(
MSG_DEBUG, "Notifying state change event to hidl control: %s",
wpa_supplicant_state_txt(wpa_s->wpa_state));
HidlManager *hidl_manager = HidlManager::getInstance();
if (!hidl_manager)
return 1;
return hidl_manager->notifyStateChange(wpa_s);
}
externalwpa_supplicant_8wpa_supplicanthidl1.0hidl_manager.cpp
int HidlManager::notifyStateChange(struct wpa_supplicant *wpa_s)
{
if (!wpa_s)
return 1;
if (sta_iface_object_map_.find(wpa_s->ifname) ==
sta_iface_object_map_.end())
return 1;
// Invoke the |onStateChanged| method on all registered callbacks.
uint32_t hidl_network_id = UINT32_MAX;
std::vector<uint8_t> hidl_ssid;
if (wpa_s->current_ssid) {
hidl_network_id = wpa_s->current_ssid->id;
hidl_ssid.assign(
wpa_s->current_ssid->ssid,
wpa_s->current_ssid->ssid + wpa_s->current_ssid->ssid_len);
}
uint8_t *bssid;
// wpa_supplicant sets the |pending_bssid| field when it starts a
// connection. Only after association state does it update the |bssid|
// field. So, in the HIDL callback send the appropriate bssid.
if (wpa_s->wpa_state <= WPA_ASSOCIATED) {
bssid = wpa_s->pending_bssid;
} else {
bssid = wpa_s->bssid;
}
bool fils_hlp_sent =
(wpa_auth_alg_fils(wpa_s->auth_alg) &&
!dl_list_empty(&wpa_s->fils_hlp_req) &&
(wpa_s->wpa_state == WPA_COMPLETED)) ? true : false;
// 回调函数
if (checkForVendorStaIfaceCallback(wpa_s->ifname) == true) {
callWithEachVendorStaIfaceCallback(
wpa_s->ifname, std::bind(
&ISupplicantVendorStaIfaceCallback::onVendorStateChanged,
std::placeholders::_1,
static_cast<ISupplicantStaIfaceCallback::State>(
wpa_s->wpa_state),
bssid, hidl_network_id, hidl_ssid, fils_hlp_sent));
} else {
callWithEachStaIfaceCallback(
wpa_s->ifname, std::bind(
&ISupplicantStaIfaceCallback::onStateChanged,
std::placeholders::_1,
static_cast<ISupplicantStaIfaceCallback::State>(
wpa_s->wpa_state),
bssid, hidl_network_id, hidl_ssid));
}
return 0;
}
frameworksopt
etwifiservicejavacomandroidserverwifiSupplicantStaIfaceHal.java
private class SupplicantVendorStaIfaceHalCallback extends ISupplicantVendorStaIfaceCallback.Stub {
@Override
public void onAssociationRejected(byte[/* 6 */] bssid, int statusCode, boolean timedOut) {
synchronized (mLock) {
logCallback("onAssociationRejected");
mWifiMonitor.broadcastAssociationRejectionEvent(mIfaceName, statusCode, timedOut,
NativeUtil.macAddressFromByteArray(bssid));
}
}
// 发送消息给WifiStateMachine
frameworksopt
etwifiservicejavacomandroidserverwifiWifiMonitor.java
public void broadcastAssociationRejectionEvent(String iface, int status, boolean timedOut,
String bssid) {
sendMessage(iface, ASSOCIATION_REJECTION_EVENT, timedOut ? 1 : 0, status, bssid);
}
frameworksopt
etwifiservicejavacomandroidserverwifiWifiStateMachine.java
public boolean processMessage(Message message) {
WifiConfiguration config;
int netId;
boolean ok;
boolean didDisconnect;
String bssid;
String ssid;
NetworkUpdateResult result;
Set<Integer> removedNetworkIds;
int reasonCode;
boolean timedOut;
logStateAndMessage(message, this);
switch (message.what) {
case WifiMonitor.ASSOCIATION_REJECTION_EVENT:
mWifiDiagnostics.captureBugReportData(
WifiDiagnostics.REPORT_REASON_ASSOC_FAILURE);
didBlackListBSSID = false;
bssid = (String) message.obj;
timedOut = message.arg1 > 0;
reasonCode = message.arg2;
Log.d(TAG, "Assocation Rejection event: bssid=" + bssid + " reason code="
+ reasonCode + " timedOut=" + Boolean.toString(timedOut));
if (bssid == null || TextUtils.isEmpty(bssid)) {
// If BSSID is null, use the target roam BSSID
bssid = mTargetRoamBSSID;
}
if (bssid != null) {
// If we have a BSSID, tell configStore to black list it
didBlackListBSSID = mWifiConnectivityManager.trackBssid(bssid, false,
reasonCode);
}
// 根据reason code更新状态
mWifiConfigManager.updateNetworkSelectionStatus(mTargetNetworkId,
WifiConfiguration.NetworkSelectionStatus
.DISABLED_ASSOCIATION_REJECTION);
mWifiConfigManager.setRecentFailureAssociationStatus(mTargetNetworkId,
reasonCode);
mSupplicantStateTracker.sendMessage(WifiMonitor.ASSOCIATION_REJECTION_EVENT);
// If rejection occurred while Metrics is tracking a ConnnectionEvent, end it.
reportConnectionAttemptEnd(
WifiMetrics.ConnectionEvent.FAILURE_ASSOCIATION_REJECTION,
WifiMetricsProto.ConnectionEvent.HLF_NONE);
mWifiInjector.getWifiLastResortWatchdog()
.noteConnectionFailureAndTriggerIfNeeded(
getTargetSsid(), bssid,
WifiLastResortWatchdog.FAILURE_CODE_ASSOCIATION);
break;
public boolean trackBssid(String bssid, boolean enable, int reasonCode) {
localLog("trackBssid: " + (enable ? "enable " : "disable ") + bssid + " reason code "
+ reasonCode);
if (bssid == null) {
return false;
}
// 加入黑名单
if (!updateBssidBlacklist(bssid, enable, reasonCode)) {
return false;
}
// Blacklist was updated, so update firmware roaming configuration.
updateFirmwareRoamingConfiguration();
// 立即扫描
if (!enable) {
// Disabling a BSSID can happen when connection to the AP was rejected.
// We start another scan immediately so that WifiNetworkSelector can
// give us another candidate to connect to.
startConnectivityScan(SCAN_IMMEDIATELY);
}
return true;
}