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## org.apache.jk.common
Class ChannelSocket

    java.lang.Object
      org.apache.jk.core.JkHandler
          org.apache.jk.common.ChannelSocket

All Implemented Interfaces:
  java.util.EventListener, javax.management.MBeanRegistration, javax.management.NotificationBroadcaster, javax.management.NotificationListener

public class ChannelSocket
extends JkHandler
implements javax.management.NotificationBroadcaster

Accept ( and send ) TCP messages.

Author:
  Costin Manolache

Field Summary
`protected boolean` | `running`

Fields inherited from class org.apache.jk.core.JkHandler
`domain, ERROR, HANDLE_FLUSH, HANDLE_RECEIVE_PACKET, HANDLE_SEND_PACKET, HANDLE_THREAD_END, id, LAST, mserver, name, next, nextName, OK, oname, properties, wEnv`

Constructor Summary
`ChannelSocket()`

Method Summary
`void` | `accept(MsgContext ep)`
`void` | `addNotificationListener(javax.management.NotificationListener listener, javax.management.NotificationFilter filter, java.lang.Object handback)`
`void` | `close(MsgContext ep)`
`void` | `destroy()` Clean up and stop the handler
`int` | `flush(Msg msg, MsgContext ep)`
`java.lang.String` | `getAddress()`
`boolean` | `getDaemon()`
`int` | `getInstanceId()` At startup we'll look for the first free port in the range.
`int` | `getMaxPort()`
`int` | `getMaxThreads()`
`javax.management.MBeanNotificationInfo[]` | `getNotificationInfo()`
`int` | `getPort()`
`long` | `getRequestCount()`
`int` | `getServerTimeout()`
`int` | `getSoLinger()`
`int` | `getSoTimeout()`
`boolean` | `getTcpNoDelay()`
`ThreadPool` | `getThreadPool()`
`void` | `init()` Should register the request types it can handle, same style as apache2.
`int` | `invoke(Msg msg, MsgContext ep)`
`static boolean` | `isSameAddress(java.net.InetAddress server, java.net.InetAddress client)` Return `true` if the specified client and server addresses are the same.
`boolean` | `isSameAddress(MsgContext ep)`
`void` | `open(MsgContext ep)`
`void` | `pause()`
`int` | `read(MsgContext ep, byte[] b, int offset, int len)` Read N bytes from the InputStream, and ensure we got them all Under heavy load we could experience many fragmented packets just read Unix Network Programming to recall that a call to read didn't ensure you got all the data you want from read() Linux manual On success, the number of bytes read is returned (zero indicates end of file),and the file position is advanced by this number.
`int` | `receive(Msg msg, MsgContext ep)`
`void` | `reinit()` Called after you change some fields at runtime using jmx.
`void` | `removeNotificationListener(javax.management.NotificationListener listener)`
`void` | `resetCounters()`
`void` | `resume()`
`int` | `send(Msg msg, MsgContext ep)`
`void` | `sendNewMessageNotification(javax.management.Notification notification)`
`void` | `setAddress(java.net.InetAddress inet)`
`void` | `setAddress(java.lang.String inet)`
`void` | `setBacklog(int i)`
`void` | `setDaemon(boolean b)` If set to false, the thread pool will be created in non-daemon mode, and will prevent main from exiting
`void` | `setMaxPort(int i)`
`void` | `setMaxThreads(int i)`
`void` | `setNotificationInfo(javax.management.MBeanNotificationInfo[] info)`
`void` | `setPort(int port)` Set the port for the ajp13 channel.
`void` | `setServerTimeout(int timeout)` Sets the timeout in ms of the server sockets created by this server.
`void` | `setSoLinger(int i)`
`void` | `setSoTimeout(int i)`
`void` | `setTcpNoDelay(boolean b)`
`void` | `start()`
`void` | `stop()`

Methods inherited from class org.apache.jk.core.JkHandler
`addHandlerCallback, createMsgContext, getDomain, getId, getName, getNext, getObjectName, getProperty, handleNotification, postDeregister, postRegister, preDeregister, preRegister, setId, setName, setNext, setNext, setProperty, setWorkerEnv`

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

Field Detail

### running

    protected boolean running

Constructor Detail

### ChannelSocket

    public ChannelSocket()

Method Detail

### getThreadPool

    public ThreadPool getThreadPool()

### getRequestCount

    public long getRequestCount()

### setPort

    public void setPort(int port)

  Set the port for the ajp13 channel. To support seemless load balancing and jni, we treat this as the 'base' port - we'll try up until we find one that is not used. We'll also provide the 'difference' to the main coyote handler - that will be our 'sessionID' and the position in the scoreboard and the suffix for the unix domain socket.

### getPort

    public int getPort()

### setAddress

    public void setAddress(java.net.InetAddress inet)

### setAddress

    public void setAddress(java.lang.String inet)

### getAddress

    public java.lang.String getAddress()

### setServerTimeout

    public void setServerTimeout(int timeout)

  Sets the timeout in ms of the server sockets created by this server. This method allows the developer to make servers more or less responsive to having their server sockets shut down.

  By default this value is 1000ms.

### getServerTimeout

    public int getServerTimeout()

### setTcpNoDelay

    public void setTcpNoDelay(boolean b)

### getTcpNoDelay

    public boolean getTcpNoDelay()

### setSoLinger

    public void setSoLinger(int i)

### getSoLinger

    public int getSoLinger()

### setSoTimeout

    public void setSoTimeout(int i)

### getSoTimeout

    public int getSoTimeout()

### setMaxPort

    public void setMaxPort(int i)

### getMaxPort

    public int getMaxPort()

### getInstanceId

    public int getInstanceId()

  At startup we'll look for the first free port in the range. The difference between this port and the beggining of the range is the 'id'. This is usefull for lb cases ( less config ).

### setDaemon

    public void setDaemon(boolean b)

  If set to false, the thread pool will be created in non-daemon mode, and will prevent main from exiting

### getDaemon

    public boolean getDaemon()

### setMaxThreads

    public void setMaxThreads(int i)

### getMaxThreads

    public int getMaxThreads()

### setBacklog

    public void setBacklog(int i)

### pause

    public void pause()
               throws java.lang.Exception

  Overrides:
    `pause` in class `JkHandler`
  Throws:
    `java.lang.Exception`

### resume

    public void resume()
                throws java.lang.Exception

  Overrides:
    `resume` in class `JkHandler`
  Throws:
    `java.lang.Exception`

### accept

    public void accept(MsgContext ep)
                throws java.io.IOException

  Throws:
    `java.io.IOException`

### resetCounters

    public void resetCounters()

### reinit

    public void reinit()
                throws java.io.IOException

  Called after you change some fields at runtime using jmx. Experimental for now.

  Throws:
    `java.io.IOException`

### init

    public void init()
              throws java.io.IOException

  Description copied from class: `JkHandler`
  Should register the request types it can handle, same style as apache2.

  Overrides:
    `init` in class `JkHandler`
  Throws:
    `java.io.IOException`

### start

    public void start()
               throws java.io.IOException

  Throws:
    `java.io.IOException`

### stop

    public void stop()
              throws java.io.IOException

  Throws:
    `java.io.IOException`

### open

    public void open(MsgContext ep)
              throws java.io.IOException

  Throws:
    `java.io.IOException`

### close

    public void close(MsgContext ep)
               throws java.io.IOException

  Throws:
    `java.io.IOException`

### destroy

    public void destroy()
                 throws java.io.IOException

  Description copied from class: `JkHandler`
  Clean up and stop the handler

  Overrides:
    `destroy` in class `JkHandler`
  Throws:
    `java.io.IOException`

### send

    public int send(Msg msg,
                    MsgContext ep)
             throws java.io.IOException

  Throws:
    `java.io.IOException`

### flush

    public int flush(Msg msg,
                     MsgContext ep)
              throws java.io.IOException

  Throws:
    `java.io.IOException`

### receive

    public int receive(Msg msg,
                       MsgContext ep)
                throws java.io.IOException

  Throws:
    `java.io.IOException`

### read

    public int read(MsgContext ep,
                    byte[] b,
                    int offset,
                    int len)
             throws java.io.IOException

  Read N bytes from the InputStream, and ensure we got them all Under heavy load we could experience many fragmented packets just read Unix Network Programming to recall that a call to read didn't ensure you got all the data you want from read() Linux manual On success, the number of bytes read is returned (zero indicates end of file),and the file position is advanced by this number. It is not an error if this number is smaller than the number of bytes requested; this may happen for example because fewer bytes are actually available right now (maybe because we were close to end-of-file, or because we are reading from a pipe, or from a terminal), or because read() was interrupted by a signal. On error, -1 is returned, and errno is set appropriately. In this case it is left unspecified whether the file position (if any) changes.

  Throws:
    `java.io.IOException`

### invoke

    public int invoke(Msg msg,
                      MsgContext ep)
               throws java.io.IOException

  Overrides:
    `invoke` in class `JkHandler`
  Throws:
    `java.io.IOException`

### isSameAddress

    public boolean isSameAddress(MsgContext ep)

### isSameAddress

    public static boolean isSameAddress(java.net.InetAddress server,
                                        java.net.InetAddress client)

  Return `true` if the specified client and server addresses are the same. This method works around a bug in the IBM 1.1.8 JVM on Linux, where the address bytes are returned reversed in some circumstances.

  Parameters:
    `server` - The server's InetAddress
    `client` - The client's InetAddress

### sendNewMessageNotification

    public void sendNewMessageNotification(javax.management.Notification notification)

### addNotificationListener

    public void addNotificationListener(javax.management.NotificationListener listener,
                                        javax.management.NotificationFilter filter,
                                        java.lang.Object handback)
                                 throws java.lang.IllegalArgumentException

  Specified by:
    `addNotificationListener` in interface `javax.management.NotificationBroadcaster`
  Throws:
    `java.lang.IllegalArgumentException`

### removeNotificationListener

    public void removeNotificationListener(javax.management.NotificationListener listener)
                                    throws javax.management.ListenerNotFoundException

  Specified by:
    `removeNotificationListener` in interface `javax.management.NotificationBroadcaster`
  Throws:
    `javax.management.ListenerNotFoundException`

### setNotificationInfo

    public void setNotificationInfo(javax.management.MBeanNotificationInfo[] info)

### getNotificationInfo

    public javax.management.MBeanNotificationInfo[] getNotificationInfo()

  Specified by:
    `getNotificationInfo` in interface `javax.management.NotificationBroadcaster`

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