Package convex.net

Class MessageSender

java.lang.Object

convex.net.MessageSender

public class MessageSender
extends Object

Message sender responsible for moving bytes from a ByteBuffer to a ByteChannel Must call maybeSendBytes to attempt to flush buffer to channel.

Field Summary

Fields

Modifier and Type	Field	Description
protected static final org.slf4j.Logger	log

Constructor Summary

Constructors

Constructor	Description
MessageSender(ByteChannel channel)

Method Summary

Modifier and Type	Method	Description
boolean	bufferMessage(ByteBuffer messageFrame)	Buffers a message for sending.
boolean	canSendMessage()	Checks if this sender is ready to send a message.
boolean	maybeSendBytes()	Try to send bytes on the outbound channel.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

log

protected static final org.slf4j.Logger log

Constructor Details

MessageSender

public MessageSender(ByteChannel channel)

Method Details

bufferMessage

public boolean bufferMessage(ByteBuffer messageFrame)
                      throws IOException

Buffers a message for sending. Message buffer should be flipped, ready for reading

Parameters:

messageFrame - Source ByteBuffer containing complete message bytes (including length)

Returns:

True if successfully buffered, false otherwise (insufficient send buffer size)

Throws:

IOException - In case of IO Error

maybeSendBytes

public boolean maybeSendBytes()
                       throws IOException

Try to send bytes on the outbound channel.

Returns:

True if all bytes have been sent, false otherwise.

Throws:

IOException - If IO error occurs

canSendMessage

public boolean canSendMessage()

Checks if this sender is ready to send a message. Caller should syncronize on this sender in case the state changes concurrently

Returns:

True if ready, false otherwise