Download mkn networkmonitor

Android之WIFI-网络可用性校验（NetworkMonitor）流程框架WifiStateMachine(L2ConnectedState) NetworkAgent|通信:服务|ConnectivityServiceNetworkAgentInfoNeworkMonitor注：7.1基础知识StateMachine即状态机运用AsyncChannel即双Handler通信机制运用源码frameworks/base/services/core/java/com/android/server/ConnectivityService.javaframeworks/base/services/core/java/com/android/server/connectivity/NetworkAgentInfo.javaframeworks/base/services/core/java/com/android/server/connectivity/NetworkMonitor.javaframeworks/base/core/java/com/android/net/NetworkAgent.javaframeworks/opt/net/wifi/services/core/java/com/android/server/wifi/WifiStateMachine.javaframeworks/base/core/java/com/android/internal/util/StateMachine.javaframeworks/base/core/java/com/android/internal/util/AsyncChannel.java细节1.WifiStateMachine在状态L2ConnectedState时，进行NetworkAgent初始化。NetworkAgent初始化的过程建立与ConnectivityService通信WifiStateMachine.L2ConnectedStateclass L2ConnectedState extends State { @Override public void enter() { ······ mNetworkAgent = new WifiNetworkAgent(getHandler().getLooper(), mContext, "WifiNetworkAgent", mNetworkInfo, mNetworkCapabilitiesFilter, mLinkProperties, 60, mNetworkMisc); ······ }}WifiNetworkAgent(extends NetworkAgent) public NetworkAgent(Looper looper, Context context, String logTag, NetworkInfo ni, NetworkCapabilities nc, LinkProperties lp, int score, NetworkMisc misc) { ······ ConnectivityManager cm = (ConnectivityManager)mContext.getSystemService( Context.CONNECTIVITY_SERVICE); netId = cm.registerNetworkAgent(new Messenger(this), new NetworkInfo(ni), new LinkProperties(lp), new NetworkCapabilities(nc), score, misc); //cm.registerNetworkAgent把NetworkAgent和ConnectivityService建立连接 //更多的细节方向，在于双handler跨进程通信，重点关注Messenger }2.ConnectivityService的registerNetworkAgent创建NetworkAgentInfoConnectivityService.registerNetworkAgent public int registerNetworkAgent(Messenger messenger, NetworkInfo networkInfo, LinkProperties linkProperties, NetworkCapabilities networkCapabilities, int currentScore, NetworkMisc networkMisc) { ······ final NetworkAgentInfo nai = new NetworkAgentInfo(messenger, new AsyncChannel(), new Network(reserveNetId()), new NetworkInfo(networkInfo), new LinkProperties( linkProperties), new NetworkCapabilities(networkCapabilities), currentScore, mContext, mTrackerHandler, new NetworkMisc(networkMisc), mDefaultRequest, this);//NetworkAgent的messenger注入到NetworkAgentInfo，这样NetworkAgent与NetworkAgentInfo建立联系，注：双handler通信关注AsyncChannel ··· mHandler.sendMessage(mHandler.obtainMessage(EVENT_REGISTER_NETWORK_AGENT, nai));//走到handleRegisterNetworkAgent ······ } private void handleRegisterNetworkAgent(NetworkAgentInfo na) { if (VDBG) log("Got NetworkAgent Messenger"); mNetworkAgentInfos.put(na.messenger, na); synchronized (mNetworkForNetId) { mNetworkForNetId.put(na.network.netId, na); } na.asyncChannel.connect(mContext, mTrackerHandler, na.messenger);//NetworkAgentInfo的asyncChannel把ConnectivityService中mTrackerHandler和NetworkAgent中messenger建立连接 NetworkInfo networkInfo = na.networkInfo; na.networkInfo = null; updateNetworkInfo(na, networkInfo); } private void updateNetworkInfo(NetworkAgentInfo networkAgent, NetworkInfo newInfo) { ··· if (!networkAgent.everConnected && state == NetworkInfo.State.CONNECTED) { ··· networkAgent.networkMonitor.sendMessage(NetworkMonitor.CMD_NETWORK_CONNECTED); ··· } }3.NetworkAgentInfo的初始化，创建NetworkMonitor，而NetworkMonitor则是监听网络的可用性1)来源介绍NetworkAgentInfo public NetworkAgentInfo(Messenger messenger, AsyncChannel ac, Network net, NetworkInfo info, LinkProperties lp, NetworkCapabilities nc, int score, Context context, Handler handler, NetworkMisc misc, NetworkRequest defaultRequest, ConnectivityService connService) { ······ mHandler = handler;//handler是ConnectivityService.mTrackerHandler networkMonitor = mConnService.createNetworkMonitor(context, handler, this, defaultRequest); ···· } NetworkMonitor // NetworkMonitor extends StateMachine即NetworkMonitor为状态机 protected NetworkMonitor(Context context, Handler handler, NetworkAgentInfo networkAgentInfo, NetworkRequest defaultRequest, IpConnectivityLog logger) { ··· mConnectivityServiceHandler = handler;//ConnectivityServiceHandler是ConnectivityService.mTrackerHandler ··· addState(mDefaultState); addState(mValidatedState, mDefaultState); addState(mMaybeNotifyState, mDefaultState); addState(mEvaluatingState, mMaybeNotifyState); addState(mCaptivePortalState, mMaybeNotifyState); setInitialState(mDefaultState); ···· start(); }2)ConnectivityService和NetworkMonitor通信介绍a.ConnectivityService更新数据时，通过NetworkAgent通知NetworkMonitor。例如：ConnectivityService.updateNetworkInfonetworkAgent.networkMonitor.sendMessage(NetworkMonitor.CMD_NETWORK_CONNECTED);b.NetworkMonitor收到数据时更新后，通过ConnectivityService.mTrackerHandler通知ConnectivityService。例如：mConnectivityServiceHandler.sendMessage(obtainMessage(EVENT_NETWORK_TESTED, NETWORK_TEST_RESULT_INVALID, mNetId, probeResult.redirectUrl));3)ConnectivityService和WifiStateMachine通信介绍a.AsyncChannel实现了跨服务通信b.ConnectivityService.handleRegisterNetworkAgent建立连接na.asyncChannel.connect(mContext, mTrackerHandler, na.messenger);//这里把双方通信建立起来c.ConnectivityService更新数据给WifiStateMachine，通过如下方式实现nai.asyncChannel.sendMessage( NetworkAgent.CMD_REPORT_NETWORK_STATUS, (valid ? NetworkAgent.VALID_NETWORK : NetworkAgent.INVALID_NETWORK), 0, redirectUrlBundle);这是通知给WifiStateMachine的NetworkAgentd.WifiStateMachine更新数据给ConnectivityService，通过如下方式实现WifiStateMachine.setNetworkDetailedState mNetworkAgent.sendNetworkInfo(mNetworkInfo); NetworkAgent.queueOrSendMessage例如 private void queueOrSendMessage(Message msg) { synchronized (mPreConnectedQueue) { if (mAsyncChannel != null) { mAsyncChannel.sendMessage(msg); } else { mPreConnectedQueue.add(msg); } } }4.NetworkMonitor1)NetworkMonitor为状态机，默认状态为mDefaultState2)当ConnectivityService的更新指令时，做状态切换ConnectivityService.updateNetworkInfonetworkAgent.networkMonitor.sendMessage(NetworkMonitor.CMD_NETWORK_CONNECTED); private class DefaultState extends State { @Override public boolean processMessage(Message message) { switch (message.what) { case CMD_NETWORK_CONNECTED: logNetworkEvent(NetworkEvent.NETWORK_CONNECTED); transitionTo(mEvaluatingState);//切换到mEvaluatingState状态 return HANDLED; ··· } ··· } private class EvaluatingState extends State { ··· @Override public void enter() { ··· sendMessage(CMD_REEVALUATE, ++mReevaluateToken, 0); ··· } @Override public boolean processMessage(Message message) { switch (message.what) { case CMD_REEVALUATE: ··· //关键方法，ping网络 //根据结果切换状态或更新数据 //关注isCaptivePortal CaptivePortalProbeResult probeResult = isCaptivePortal(); if (probeResult.isSuccessful()) { transitionTo(mValidatedState); } else if (probeResult.isPortal()) { mConnectivityServiceHandler.sendMessage(obtainMessage(EVENT_NETWORK_TESTED, NETWORK_TEST_RESULT_INVALID, mNetId, probeResult.redirectUrl)); ··· transitionTo(mCaptivePortalState); } else {

Requested re-evaluation after this many attempts. private static final int BLAME_FOR_EVALUATION_ATTEMPTS = 5; // Delay between reevaluations once a captive portal has been found. private static final int CAPTIVE_PORTAL_REEVALUATE_DELAY_MS = 10*60*1000; private static final int NUM_VALIDATION_LOG_LINES = 20; private String mPrivateDnsProviderHostname = ""; public static boolean isValidationRequired( NetworkCapabilities dfltNetCap, NetworkCapabilities nc) { // TODO: Consider requiring validation for DUN networks. return dfltNetCap.satisfiedByNetworkCapabilities(nc); } private final Context mContext; private final Handler mConnectivityServiceHandler; private final NetworkAgentInfo mNetworkAgentInfo; private final Network mNetwork; private final int mNetId; private final TelephonyManager mTelephonyManager; private final WifiManager mWifiManager; private final NetworkRequest mDefaultRequest; private final IpConnectivityLog mMetricsLog; private final NetworkMonitorSettings mSettings; // Configuration values for captive portal detection probes. private final String mCaptivePortalUserAgent; private final URL mCaptivePortalHttpsUrl; private final URL mCaptivePortalHttpUrl; private final URL[] mCaptivePortalFallbackUrls; @Nullable private final CaptivePortalProbeSpec[] mCaptivePortalFallbackSpecs; @VisibleForTesting protected boolean mIsCaptivePortalCheckEnabled; private boolean mUseHttps; // The total number of captive portal detection attempts for this NetworkMonitor instance. private int mValidations = 0; // Set if the user explicitly selected "Do not use this network" in captive portal sign-in app. private boolean mUserDoesNotWant = false; // Avoids surfacing "Sign in to network" notification. private boolean mDontDisplaySigninNotification = false; public boolean systemReady = false; private final State mDefaultState = new DefaultState(); private final State mValidatedState = new ValidatedState(); private final State mMaybeNotifyState = new MaybeNotifyState(); private final State mEvaluatingState = new EvaluatingState(); private final State mCaptivePortalState = new CaptivePortalState(); private final State mEvaluatingPrivateDnsState = new EvaluatingPrivateDnsState(); private CustomIntentReceiver mLaunchCaptivePortalAppBroadcastReceiver = null; private final LocalLog validationLogs = new LocalLog(NUM_VALIDATION_LOG_LINES); private final Stopwatch mEvaluationTimer = new Stopwatch(); // This variable is set before transitioning to the mCaptivePortalState. private CaptivePortalProbeResult mLastPortalProbeResult = CaptivePortalProbeResult.FAILED; private int mNextFallbackUrlIndex = 0; public NetworkMonitor(Context context, Handler handler, NetworkAgentInfo networkAgentInfo, NetworkRequest defaultRequest) { this(context, handler, networkAgentInfo, defaultRequest, new IpConnectivityLog(), NetworkMonitorSettings.DEFAULT); } @VisibleForTesting protected NetworkMonitor(Context context, Handler handler, NetworkAgentInfo networkAgentInfo, NetworkRequest defaultRequest, IpConnectivityLog logger, NetworkMonitorSettings settings) { // Add suffix indicating which NetworkMonitor we're talking about. super(TAG + networkAgentInfo.name()); // Logs with a tag of the form given just above, e.g. // 862 2402 D NetworkMonitor/NetworkAgentInfo [WIFI () - 100]: ... setDbg(VDBG); mContext = context; mMetricsLog = logger; mConnectivityServiceHandler = handler; mSettings = settings; mNetworkAgentInfo = networkAgentInfo; mNetwork = new OneAddressPerFamilyNetwork(networkAgentInfo.network()); mNetId = mNetwork.netId; mTelephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE); mDefaultRequest = defaultRequest; addState(mDefaultState); addState(mMaybeNotifyState, mDefaultState); addState(mEvaluatingState, mMaybeNotifyState); addState(mCaptivePortalState, mMaybeNotifyState); addState(mEvaluatingPrivateDnsState, mDefaultState); addState(mValidatedState, mDefaultState); setInitialState(mDefaultState); mIsCaptivePortalCheckEnabled = getIsCaptivePortalCheckEnabled(); mUseHttps = getUseHttpsValidation(); mCaptivePortalUserAgent = getCaptivePortalUserAgent(); mCaptivePortalHttpsUrl = makeURL(getCaptivePortalServerHttpsUrl()); mCaptivePortalHttpUrl = makeURL(getCaptivePortalServerHttpUrl(settings, context)); mCaptivePortalFallbackUrls = makeCaptivePortalFallbackUrls(); mCaptivePortalFallbackSpecs = makeCaptivePortalFallbackProbeSpecs(); start(); } public void forceReevaluation(int responsibleUid) { sendMessage(CMD_FORCE_REEVALUATION, responsibleUid, 0); } public void notifyPrivateDnsSettingsChanged(PrivateDnsConfig newCfg) { // Cancel any outstanding resolutions. removeMessages(CMD_PRIVATE_DNS_SETTINGS_CHANGED); // Send the update to the proper thread. sendMessage(CMD_PRIVATE_DNS_SETTINGS_CHANGED, newCfg); } @Override protected void log(String s) { if (DBG) Log.d(TAG + "/" + mNetworkAgentInfo.name(), s); } private void validationLog(int probeType, Object url, String msg) { String probeName = ValidationProbeEvent.getProbeName(probeType); validationLog(String.format("%s %s %s", probeName, url, msg)); } private void validationLog(String s) { if (DBG) log(s); validationLogs.log(s); } public ReadOnlyLocalLog getValidationLogs() { return validationLogs.readOnlyLocalLog(); } private ValidationStage

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Contents Table of Contents Troubleshooting Bookmarks Read the operating instructions prior tocommissioningOperating instructionsDeep-fat fryerUnitLondon 2ParisType of energyUnit typeElectricFloor-standingunitCountertop unitVersionLift mechanism2020325A21ABBE-AModelOPEFRIL2-HUO7EFRIL2-HUHLEFRIL2-HUOPEFRIPS-HUO7EFRIPS-HUHLEFRIPS-HUSLEFRIL2-HUSLEFRIPS-HUen-GB Need help? Do you have a question about the Paris Series and is the answer not in the manual? Questions and answers Related Manuals for MKN Paris Series Summary of Contents for MKN Paris Series Page 1 Read the operating instructions prior to commissioning Operating instructions Deep-fat fryer Unit Type of energy Unit type Version Model London 2 Electric Floor-standing Lift mechanism OPEFRIL2-HU unit O7EFRIL2-HU Paris HLEFRIL2-HU OPEFRIPS-HU O7EFRIPS-HU HLEFRIPS-HU Countertop unit SLEFRIL2-HU SLEFRIPS-HU 2020325A21ABBE-A en-GB... Page 2 Operating and display elements Image: Operating and display elements for Paris lifting deep-fat fryer a On/Off control knob c Temperature control knob b Heating indicator light d Time control knob Image: Operating and display elements for London 2 lifting deep-fat fryer a On/Off control knob c Temperature control knob b Heating indicator light... Page 3 Fax +49 5331 89-280 Internet www.mkn.eu Copyright All rights to text, graphics and pictures in this documentation are held by MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG. Distribution or duplication is only permitted with the prior written consent of MKN. Page 4: Table Of Contents Directory of contents 1 Introduction ................. 7 1.1 About this manual ................ 7 1.1.1 Explanation of signs .................. 8 1.2 Intended use .................. 9 1.3 Guarantee, warranty and liability ............ 9 2 Safety information ............ 10 3 Description of the unit ............. 13 3.1 Overview of the unit ............... 13 3.2 Function of the operating and display elements ...... ... Page 5 Directory of contents 5.4 Cleaning the heating element ............ 27 5.5 Cleaning the deep-frying tank ............ 27 5.6 Cleaning the drain ................ 28 6 Troubleshooting ............... 29 6.1 Cause of failure and the remedy ........... 29 6.2 Nameplate .................. 30 7 Carrying out maintenance .......... 31 8 Dispose of unit in an environmentally responsible manner ... Page 6 Directory of contents Operating instructions... Page 7: 1 Introduction Introduction 1 Introduction 1.1 About this manual The operating instructions are part of the unit and contain information: • On safe operation,