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## org.apache.tomcat.util.net
Class AbstractEndpoint

    java.lang.Object
      org.apache.tomcat.util.net.AbstractEndpoint

Direct Known Subclasses:
  AprEndpoint, JIoEndpoint, NioEndpoint

    public abstract class AbstractEndpoint

extends Object

Author:
  fhanik, Mladen Turk, Remy Maucherat

Nested Class Summary
`static class` | `AbstractEndpoint.Acceptor`
`protected static class` | `AbstractEndpoint.BindState`
`static interface` | `AbstractEndpoint.Handler`

Field Summary
`protected AbstractEndpoint.Acceptor[]` | `acceptors` Threads used to accept new connections and pass them to worker threads.
`protected int` | `acceptorThreadCount` Acceptor thread count.
`protected int` | `acceptorThreadPriority` Priority of the acceptor threads.
`protected HashMap<String,Object>` | `attributes` Attributes provide a way for configuration to be passed to sub-components without the `ProtocolHandler` being aware of the properties available on those sub-components.
`protected boolean` | `internalExecutor` Are we using an internal executor
`protected boolean` | `paused` Will be set to true whenever the endpoint is paused.
`protected boolean` | `running` Running state of the endpoint.
`protected static StringManager` | `sm`
`protected SocketProperties` | `socketProperties` Socket properties
`protected int` | `threadPriority` Priority of the worker threads.

Constructor Summary
`AbstractEndpoint()`

Method Summary
`String` | `adjustRelativePath(String path, String relativeTo)`
`abstract void` | `bind()`
`protected long` | `countDownConnection()`
`protected void` | `countUpOrAwaitConnection()`
`protected abstract AbstractEndpoint.Acceptor` | `createAcceptor()` Hook to allow Endpoints to provide a specific Acceptor implementation.
`void` | `createExecutor()`
`void` | `destroy()`
`int` | `getAcceptorThreadCount()`
`int` | `getAcceptorThreadPriority()`
`InetAddress` | `getAddress()`
`String` | `getAlgorithm()`
`String` | `getAllowUnsafeLegacyRenegotiation()`
`Object` | `getAttribute(String key)` Used by sub-components to retrieve configuration information.
`int` | `getBacklog()`
`boolean` | `getBindOnInit()`
`String` | `getCiphers()`
`String[]` | `getCiphersArray()`
`String` | `getClientAuth()`
`long` | `getConnectionCount()` Return the current count of connections handled by this endpoint, if the connections are counted (which happens when the maximum count of connections is limited), or `-1` if they are not.
`String` | `getCrlFile()`
`int` | `getCurrentThreadCount()` Return the amount of threads that are managed by the pool.
`int` | `getCurrentThreadsBusy()` Return the amount of threads that are in use
`boolean` | `getDaemon()`
`protected abstract boolean` | `getDeferAccept()`
`Executor` | `getExecutor()`
`int` | `getKeepAliveTimeout()`
`String` | `getKeyAlias()`
`String` | `getKeyPass()`
`String` | `getKeystoreFile()`
`String` | `getKeystorePass()`
`String` | `getKeystoreProvider()`
`String` | `getKeystoreType()`
`abstract int` | `getLocalPort()`
`protected abstract Log` | `getLog()`
`int` | `getMaxConnections()`
`int` | `getMaxHeaderCount()`
`int` | `getMaxKeepAliveRequests()`
`int` | `getMaxThreads()`
`protected int` | `getMaxThreadsExecutor(boolean useExecutor)`
`int` | `getMinSpareThreads()`
`String` | `getName()`
`int` | `getPort()`
`String` | `getProperty(String name)`
`String` | `getSessionCacheSize()`
`String` | `getSessionTimeout()`
`SocketProperties` | `getSocketProperties()`
`int` | `getSoLinger()` Socket linger.
`int` | `getSoTimeout()` Socket timeout.
`String[]` | `getSslEnabledProtocolsArray()`
`String` | `getSslProtocol()`
`boolean` | `getTcpNoDelay()` Socket TCP no delay.
`int` | `getThreadPriority()`
`String` | `getTrustManagerClassName()`
`String` | `getTrustMaxCertLength()`
`String` | `getTruststoreAlgorithm()`
`String` | `getTruststoreFile()`
`String` | `getTruststorePass()`
`String` | `getTruststoreProvider()`
`String` | `getTruststoreType()`
`abstract boolean` | `getUseComet()`
`abstract boolean` | `getUseCometTimeout()`
`abstract boolean` | `getUsePolling()`
`abstract boolean` | `getUseSendfile()`
`protected int` | `handleExceptionWithDelay(int currentErrorDelay)` Provides a common approach for sub-classes to handle exceptions where a delay is required to prevent a Thread from entering a tight loop which will consume CPU and may also trigger large amounts of logging.
`void` | `init()`
`protected LimitLatch` | `initializeConnectionLatch()`
`boolean` | `isPaused()`
`boolean` | `isRunning()`
`boolean` | `isSSLEnabled()`
`void` | `pause()` Pause the endpoint, which will stop it accepting new connections.
`protected void` | `releaseConnectionLatch()`
`void` | `resume()` Resume the endpoint, which will make it start accepting new connections again.
`void` | `setAcceptorThreadCount(int acceptorThreadCount)`
`void` | `setAcceptorThreadPriority(int acceptorThreadPriority)`
`void` | `setAddress(InetAddress address)`
`void` | `setAlgorithm(String s)`
`void` | `setAllowUnsafeLegacyRenegotiation(String s)`
`void` | `setAttribute(String name, Object value)` Generic property setter called when a property for which a specific setter already exists within the `ProtocolHandler` needs to be made available to sub-components.
`void` | `setBacklog(int backlog)`
`void` | `setBindOnInit(boolean b)`
`void` | `setCiphers(String s)`
`void` | `setClientAuth(String s)`
`void` | `setCrlFile(String crlFile)`
`void` | `setDaemon(boolean b)`
`void` | `setExecutor(Executor executor)`
`void` | `setKeepAliveTimeout(int keepAliveTimeout)`
`void` | `setKeyAlias(String s)`
`void` | `setKeyPass(String s)`
`void` | `setKeystoreFile(String s)`
`void` | `setKeystorePass(String s)`
`void` | `setKeystoreProvider(String s)`
`void` | `setKeystoreType(String s)`
`void` | `setMaxConnections(int maxCon)`
`void` | `setMaxHeaderCount(int maxHeaderCount)`
`void` | `setMaxKeepAliveRequests(int maxKeepAliveRequests)`
`void` | `setMaxThreads(int maxThreads)`
`void` | `setMinSpareThreads(int minSpareThreads)`
`void` | `setName(String name)`
`void` | `setPort(int port)`
`boolean` | `setProperty(String name, String value)`
`void` | `setSessionCacheSize(String s)`
`void` | `setSessionTimeout(String s)`
`void` | `setSoLinger(int soLinger)`
`void` | `setSoTimeout(int soTimeout)`
`void` | `setSSLEnabled(boolean SSLEnabled)`
`void` | `setSslEnabledProtocols(String s)`
`void` | `setSslProtocol(String s)`
`void` | `setTcpNoDelay(boolean tcpNoDelay)`
`void` | `setThreadPriority(int threadPriority)`
`void` | `setTrustManagerClassName(String trustManagerClassName)`
`void` | `setTrustMaxCertLength(String trustMaxCertLength)`
`void` | `setTruststoreAlgorithm(String truststoreAlgorithm)`
`void` | `setTruststoreFile(String s)`
`void` | `setTruststorePass(String truststorePass)`
`void` | `setTruststoreProvider(String truststoreProvider)`
`void` | `setTruststoreType(String truststoreType)`
`void` | `shutdownExecutor()`
`void` | `start()`
`protected void` | `startAcceptorThreads()`
`abstract void` | `startInternal()`
`void` | `stop()`
`abstract void` | `stopInternal()`
`abstract void` | `unbind()`
`protected void` | `unlockAccept()` Unlock the server socket accept using a bogus connection.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### sm

    protected static final StringManager sm

### running

    protected volatile boolean running

  Running state of the endpoint.

### paused

    protected volatile boolean paused

  Will be set to true whenever the endpoint is paused.

### internalExecutor

    protected volatile boolean internalExecutor

  Are we using an internal executor

### socketProperties

    protected SocketProperties socketProperties

  Socket properties

### acceptors

    protected AbstractEndpoint.Acceptor[] acceptors

  Threads used to accept new connections and pass them to worker threads.

### acceptorThreadCount

    protected int acceptorThreadCount

  Acceptor thread count.

### acceptorThreadPriority

    protected int acceptorThreadPriority

  Priority of the acceptor threads.

### threadPriority

    protected int threadPriority

  Priority of the worker threads.

### attributes

    protected HashMap<String,Object> attributes

  Attributes provide a way for configuration to be passed to sub-components without the `ProtocolHandler` being aware of the properties available on those sub-components. One example of such a sub-component is the `ServerSocketFactory`.

Constructor Detail

### AbstractEndpoint

    public AbstractEndpoint()

Method Detail

### getSocketProperties

    public SocketProperties getSocketProperties()

### setAcceptorThreadCount

    public void setAcceptorThreadCount(int acceptorThreadCount)

### getAcceptorThreadCount

    public int getAcceptorThreadCount()

### setAcceptorThreadPriority

    public void setAcceptorThreadPriority(int acceptorThreadPriority)

### getAcceptorThreadPriority

    public int getAcceptorThreadPriority()

### setMaxConnections

    public void setMaxConnections(int maxCon)

### getMaxConnections

    public int getMaxConnections()

### getConnectionCount

    public long getConnectionCount()

  Return the current count of connections handled by this endpoint, if the connections are counted (which happens when the maximum count of connections is limited), or `-1` if they are not. This property is added here so that this value can be inspected through JMX. It is visible on "ThreadPool" MBean.

  The count is incremented by the Acceptor before it tries to accept a new connection. Until the limit is reached and thus the count cannot be incremented, this value is more by 1 (the count of acceptors) than the actual count of connections that are being served.

  Returns:
    The count

### setExecutor

    public void setExecutor(Executor executor)

### getExecutor

    public Executor getExecutor()

### getPort

    public int getPort()

### setPort

    public void setPort(int port)

### getLocalPort

    public abstract int getLocalPort()

### getAddress

    public InetAddress getAddress()

### setAddress

    public void setAddress(InetAddress address)

### setBacklog

    public void setBacklog(int backlog)

### getBacklog

    public int getBacklog()

### getBindOnInit

    public boolean getBindOnInit()

### setBindOnInit

    public void setBindOnInit(boolean b)

### getKeepAliveTimeout

    public int getKeepAliveTimeout()

### setKeepAliveTimeout

    public void setKeepAliveTimeout(int keepAliveTimeout)

### getTcpNoDelay

    public boolean getTcpNoDelay()

  Socket TCP no delay.

### setTcpNoDelay

    public void setTcpNoDelay(boolean tcpNoDelay)

### getSoLinger

    public int getSoLinger()

  Socket linger.

### setSoLinger

    public void setSoLinger(int soLinger)

### getSoTimeout

    public int getSoTimeout()

  Socket timeout.

### setSoTimeout

    public void setSoTimeout(int soTimeout)

### isSSLEnabled

    public boolean isSSLEnabled()

### setSSLEnabled

    public void setSSLEnabled(boolean SSLEnabled)

### getMinSpareThreads

    public int getMinSpareThreads()

### setMinSpareThreads

    public void setMinSpareThreads(int minSpareThreads)

### setMaxThreads

    public void setMaxThreads(int maxThreads)

### getMaxThreads

    public int getMaxThreads()

### getMaxThreadsExecutor

    protected int getMaxThreadsExecutor(boolean useExecutor)

### getMaxKeepAliveRequests

    public int getMaxKeepAliveRequests()

### setMaxKeepAliveRequests

    public void setMaxKeepAliveRequests(int maxKeepAliveRequests)

### getMaxHeaderCount

    public int getMaxHeaderCount()

### setMaxHeaderCount

    public void setMaxHeaderCount(int maxHeaderCount)

### setName

    public void setName(String name)

### getName

    public String getName()

### setDaemon

    public void setDaemon(boolean b)

### getDaemon

    public boolean getDaemon()

### setThreadPriority

    public void setThreadPriority(int threadPriority)

### getThreadPriority

    public int getThreadPriority()

### getDeferAccept

    protected abstract boolean getDeferAccept()

### setAttribute

    public void setAttribute(String name,
                             Object value)

  Generic property setter called when a property for which a specific setter already exists within the `ProtocolHandler` needs to be made available to sub-components. The specific setter will call this method to populate the attributes.

### getAttribute

    public Object getAttribute(String key)

  Used by sub-components to retrieve configuration information.

### setProperty

    public boolean setProperty(String name,
                               String value)

### getProperty

    public String getProperty(String name)

### getCurrentThreadCount

    public int getCurrentThreadCount()

  Return the amount of threads that are managed by the pool.

  Returns:
    the amount of threads that are managed by the pool

### getCurrentThreadsBusy

    public int getCurrentThreadsBusy()

  Return the amount of threads that are in use

  Returns:
    the amount of threads that are in use

### isRunning

    public boolean isRunning()

### isPaused

    public boolean isPaused()

### createExecutor

    public void createExecutor()

### shutdownExecutor

    public void shutdownExecutor()

### unlockAccept

    protected void unlockAccept()

  Unlock the server socket accept using a bogus connection.

### bind

    public abstract void bind()
                       throws Exception

  Throws:
    `Exception`

### unbind

    public abstract void unbind()
                         throws Exception

  Throws:
    `Exception`

### startInternal

    public abstract void startInternal()
                                throws Exception

  Throws:
    `Exception`

### stopInternal

    public abstract void stopInternal()
                               throws Exception

  Throws:
    `Exception`

### init

    public final void init()
                    throws Exception

  Throws:
    `Exception`

### start

    public final void start()
                     throws Exception

  Throws:
    `Exception`

### startAcceptorThreads

    protected final void startAcceptorThreads()

### createAcceptor

    protected abstract AbstractEndpoint.Acceptor createAcceptor()

  Hook to allow Endpoints to provide a specific Acceptor implementation.

### pause

    public void pause()

  Pause the endpoint, which will stop it accepting new connections.

### resume

    public void resume()

  Resume the endpoint, which will make it start accepting new connections again.

### stop

    public final void stop()
                    throws Exception

  Throws:
    `Exception`

### destroy

    public final void destroy()
                       throws Exception

  Throws:
    `Exception`

### adjustRelativePath

    public String adjustRelativePath(String path,
                                     String relativeTo)

### getLog

    protected abstract Log getLog()

### getUseSendfile

    public abstract boolean getUseSendfile()

### getUseComet

    public abstract boolean getUseComet()

### getUseCometTimeout

    public abstract boolean getUseCometTimeout()

### getUsePolling

    public abstract boolean getUsePolling()

### initializeConnectionLatch

    protected LimitLatch initializeConnectionLatch()

### releaseConnectionLatch

    protected void releaseConnectionLatch()

### countUpOrAwaitConnection

    protected void countUpOrAwaitConnection()
                                     throws InterruptedException

  Throws:
    `InterruptedException`

### countDownConnection

    protected long countDownConnection()

### handleExceptionWithDelay

    protected int handleExceptionWithDelay(int currentErrorDelay)

  Provides a common approach for sub-classes to handle exceptions where a delay is required to prevent a Thread from entering a tight loop which will consume CPU and may also trigger large amounts of logging. For example, this can happen with the Acceptor thread if the ulimit for open files is reached.

  Parameters:
    `currentErrorDelay` - The current delay being applied on failure
  Returns:
    The delay to apply on the next failure

### getAlgorithm

    public String getAlgorithm()

### setAlgorithm

    public void setAlgorithm(String s)

### getClientAuth

    public String getClientAuth()

### setClientAuth

    public void setClientAuth(String s)

### getKeystoreFile

    public String getKeystoreFile()

### setKeystoreFile

    public void setKeystoreFile(String s)

### getKeystorePass

    public String getKeystorePass()

### setKeystorePass

    public void setKeystorePass(String s)

### getKeystoreType

    public String getKeystoreType()

### setKeystoreType

    public void setKeystoreType(String s)

### getKeystoreProvider

    public String getKeystoreProvider()

### setKeystoreProvider

    public void setKeystoreProvider(String s)

### getSslProtocol

    public String getSslProtocol()

### setSslProtocol

    public void setSslProtocol(String s)

### getCiphersArray

    public String[] getCiphersArray()

### getCiphers

    public String getCiphers()

### setCiphers

    public void setCiphers(String s)

### getKeyAlias

    public String getKeyAlias()

### setKeyAlias

    public void setKeyAlias(String s)

### getKeyPass

    public String getKeyPass()

### setKeyPass

    public void setKeyPass(String s)

### getTruststoreFile

    public String getTruststoreFile()

### setTruststoreFile

    public void setTruststoreFile(String s)

### getTruststorePass

    public String getTruststorePass()

### setTruststorePass

    public void setTruststorePass(String truststorePass)

### getTruststoreType

    public String getTruststoreType()

### setTruststoreType

    public void setTruststoreType(String truststoreType)

### getTruststoreProvider

    public String getTruststoreProvider()

### setTruststoreProvider

    public void setTruststoreProvider(String truststoreProvider)

### getTruststoreAlgorithm

    public String getTruststoreAlgorithm()

### setTruststoreAlgorithm

    public void setTruststoreAlgorithm(String truststoreAlgorithm)

### getTrustManagerClassName

    public String getTrustManagerClassName()

### setTrustManagerClassName

    public void setTrustManagerClassName(String trustManagerClassName)

### getCrlFile

    public String getCrlFile()

### setCrlFile

    public void setCrlFile(String crlFile)

### getTrustMaxCertLength

    public String getTrustMaxCertLength()

### setTrustMaxCertLength

    public void setTrustMaxCertLength(String trustMaxCertLength)

### getSessionCacheSize

    public String getSessionCacheSize()

### setSessionCacheSize

    public void setSessionCacheSize(String s)

### getSessionTimeout

    public String getSessionTimeout()

### setSessionTimeout

    public void setSessionTimeout(String s)

### getAllowUnsafeLegacyRenegotiation

    public String getAllowUnsafeLegacyRenegotiation()

### setAllowUnsafeLegacyRenegotiation

    public void setAllowUnsafeLegacyRenegotiation(String s)

### getSslEnabledProtocolsArray

    public String[] getSslEnabledProtocolsArray()

### setSslEnabledProtocols

    public void setSslEnabledProtocols(String s)

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