Examples of com.sun.sgs.protocol.SessionProtocol

com.sun.sgs.protocol.SessionProtocol
A protocol for sending session messages and channel messages to a client.
The implementation of the protocol is only responsible for the formating and sending of messages to the client. Unless otherwise noted, the implementation is not required to perform validity checks on method arguments. For calls that result in messages sent to a client, is up to the caller to make sure arguments contain valid information. It is up to the client to decide what it wants to do if it receives messages that seem nonsensical.
If a protocol specification requires that a login acknowledgment be delivered to a client before any other protocol messages, the protocol must implement this requirement. It is possible that a caller may request that other messages be sent before a login acknowledgment, and if the protocol requires, these messages should be enqueued until the login acknowledgment has been sent to the client.

  ChannelCloseTask(BigInteger channelRefId) {
      super(channelRefId);
  }


  public void run(BigInteger sessionRefId, long timestamp) {
      SessionProtocol protocol =
    sessionService.getSessionProtocol(sessionRefId);
      if (protocol != null) {
    try {
        protocol.channelLeave(channelRefId);
    } catch (IOException e) {
        logger.logThrow(
      Level.WARNING, e, "channelLeave " +
      "session:{0} channel:{0} throws",
      sessionRefId, channelRefId);

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      // channel request is being handled.  A client session
      // relocating from a node should not have any concurrent or
      // future channel requests processed for it.
      lockSession(sessionRefId);
      
      SessionProtocol protocol =
    sessionService.getSessionProtocol(sessionRefId);
      if (protocol == null) {
    if (!sessionService.isRelocatingToLocalNode(sessionRefId)) {
        // The session is not locally-connected and is not
        // known to be relocating to the local node.

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      // channel request is being handled.  A client session
      // relocating from a node should not have any concurrent or
      // future channel requests processed for it.
      lockSession(sessionRefId);
      
      SessionProtocol protocol =
    sessionService.getSessionProtocol(sessionRefId);
      if (protocol == null) {
    if (!sessionService.isRelocatingToLocalNode(sessionRefId)) {
        // The session is not locally-connected and is not
        // known to be relocating to the local node.

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      // Update local channel membership set.
      addLocalChannelMember(
     channelRefId, delivery, sessionRefId, timestamp, false);


      // Send channel join protocol message.
      SessionProtocol protocol =
    sessionService.getSessionProtocol(sessionRefId);
      if (protocol != null) {
    try {
        protocol.channelJoin(name, channelRefId, delivery);
    } catch (IOException e) {
        logger.logThrow(Level.WARNING, e, "channelJoin throws");
    }
      }
  }

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      // channel request is being handled.  A client session
      // relocating from a node should not have any concurrent or
      // future channel requests processed for it.
      lockSession(sessionRefId);
      
      SessionProtocol protocol =
    sessionService.getSessionProtocol(sessionRefId);
      if (protocol == null) {
    if (!sessionService.isRelocatingToLocalNode(sessionRefId)) {
        // The session is not locally-connected and is not
        // known to be relocating to the local node.

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      // Update local channel membership set.
      addLocalChannelMember(
     channelRefId, delivery, sessionRefId, timestamp, false);


      // Send channel join protocol message.
      SessionProtocol protocol =
    sessionService.getSessionProtocol(sessionRefId);
      if (protocol != null) {
    try {
        protocol.channelJoin(name, channelRefId, delivery);
    } catch (IOException e) {
        logger.logThrow(Level.WARNING, e, "channelJoin throws");
    }
      }
  }

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      // from local channel membership set.
      removeLocalPerSessionChannel(channelRefId, sessionRefId);
      removeLocalChannelMember(channelRefId, sessionRefId);
      
      // Send channel leave protocol message.
      SessionProtocol protocol =
    sessionService.getSessionProtocol(sessionRefId);
      if (protocol != null) {
    try {
        protocol.channelLeave(channelRefId);
    } catch (IOException e) {
        logger.logThrow(Level.WARNING, e,
            "channelLeave throws");
    }
      }

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      this.message = message;
  }
  
  public void run(BigInteger sessionRefId, long timestamp) {


      SessionProtocol protocol =
    sessionService.getSessionProtocol(sessionRefId);
      if (protocol != null) {
    Map<BigInteger, LocalMemberInfo> channelMap =
        localPerSessionChannelMap.get(sessionRefId);
    if (channelMap == null) {
        // The session doesn't belong to any channels.
        return;
    }
    LocalMemberInfo memberInfo = channelMap.get(channelRefId);
    if (memberInfo == null) {
        // The session is no longer a member.
        return;
    }
    if (memberInfo.msgTimestamp > timestamp) {
        // If session's message timestamp for this channel is
        // greater than the timestamp of the message to be
        // delivered, then this is an earlier message sent
        // before the session joined the channel.  Therefore
        // don't deliver the message.
        return;
    }
    memberInfo.msgTimestamp = timestamp;
    try {
        protocol.channelMessage(
      channelRefId, ByteBuffer.wrap(message), delivery);
    } catch (IOException e) {
        logger.logThrow(Level.WARNING, e,  "channelMessage " +
      "session:{0} channel:{0} throws",
      sessionRefId, channelRefId);

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  ChannelCloseTask(BigInteger channelRefId) {
      super(channelRefId);
  }


  public void run(BigInteger sessionRefId, long timestamp) {
      SessionProtocol protocol =
    sessionService.getSessionProtocol(sessionRefId);
      if (protocol != null) {
    try {
        protocol.channelLeave(channelRefId);
    } catch (IOException e) {
        logger.logThrow(
      Level.WARNING, e, "channelLeave " +
      "session:{0} channel:{0} throws",
      sessionRefId, channelRefId);

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    if (logger.isLoggable(Level.FINEST)) {
        logger.log(Level.FINEST, "sessionId:{0} message:{1}",
             HexDumper.toHexString(sessionId),
             HexDumper.toHexString(message));
    }
    SessionProtocol sessionProtocol =
        getSessionProtocol(new BigInteger(1, sessionId));
    if (sessionProtocol != null) {
        Delivery delivery = Delivery.values()[deliveryOrdinal];


        try {
      sessionProtocol.sessionMessage(
          ByteBuffer.wrap(message), delivery);
        } catch (IOException e) {
      // TBD: should we disconnect the session because
      // messages can't be delivered?
      if (logger.isLoggable(Level.FINE)) {

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com.sun.sgs.impl.service.channel.ChannelServiceImpl$ChannelCloseTask

com.sun.sgs.impl.service.channel.ChannelServiceImpl$ChannelJoinTask

com.sun.sgs.impl.service.channel.ChannelServiceImpl$ChannelLeaveTask

com.sun.sgs.impl.service.channel.ChannelServiceImpl$ChannelSendTask

com.sun.sgs.impl.service.channel.ChannelServiceImpl$ChannelServerImpl

com.sun.sgs.impl.service.session.ClientSessionServiceImpl$CommitActions

com.sun.sgs.impl.service.session.ClientSessionServiceImpl$SessionServerImpl

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