public virtual void post(int transportId, int priority,
IList <byte[]> buffers, int messageHeaderSize,
MessageProgressCallback messageProgressCallback)
{
channelWriter.post(transportId, priority, buffers,
messageHeaderSize, messageProgressCallback);
}
internal OutgoingFrame(byte[] payload, int transportId,
int frameNumber, int messageHeaderSize,
MessageProgressCallback messageProgressCallback,
int byteCount, int totalByteCount, int priority, bool closeFlag)
{
this.payload = payload;
this.transportId = transportId;
this.frameNumber = frameNumber;
this.messageProgressCallback = messageProgressCallback;
this.byteCount = byteCount;
this.totalByteCount = totalByteCount;
this.priority = priority;
this.closeFlag = closeFlag;
this.sentAsSingleBuffer = false;
// create the frame header
if (payload != null)
{
header = new byte[Frame.FRAME_HEADER_SIZE];
int offset = 0;
Serialization.storeInt(header, offset, transportId);
offset += 4;
Serialization.storeInt(header, offset, frameNumber);
offset += 4;
Serialization.storeInt(header, offset, messageHeaderSize);
offset += 4;
Serialization.storeInt(header, offset, payload.Length);
}
}
internal OutgoingFrame(byte[] payload, int transportId,
int frameNumber, int messageHeaderSize,
MessageProgressCallback messageProgressCallback,
int byteCount, int totalByteCount, int priority, bool closeFlag)
{
this.payload = payload;
this.transportId = transportId;
this.frameNumber = frameNumber;
this.messageProgressCallback = messageProgressCallback;
this.byteCount = byteCount;
this.totalByteCount = totalByteCount;
this.priority = priority;
this.closeFlag = closeFlag;
this.sentAsSingleBuffer = false;
// create the frame header
if (payload != null)
{
header = new byte[Frame.FRAME_HEADER_SIZE];
int offset = 0;
Serialization.storeInt(header, offset, transportId);
offset += 4;
Serialization.storeInt(header, offset, frameNumber);
offset += 4;
Serialization.storeInt(header, offset, messageHeaderSize);
offset += 4;
Serialization.storeInt(header, offset, payload.Length);
}
}
public virtual void registerNewMessage(
long messageId, MessageProgressCallback message)
{
lock (messages)
{
messages.Add(messageId, message);
}
}
public virtual void registerNewMessage(
long messageId, MessageProgressCallback message)
{
lock (messages)
{
messages.Add(messageId, message);
}
}
// notifies cancellation (via the progress callback) for all
// messages that have complete frames in the given list
private void notifyCancellation(IList <OutgoingFrame> frames)
{
foreach (OutgoingFrame frame in frames)
{
if (frame.byteCount == frame.totalByteCount)
{
// this is the last frame for the given message
MessageProgressCallback callback =
frame.messageProgressCallback;
if (callback != null)
{
callback.progress(0, 0);
}
}
}
}
internal virtual void post(int transportId, int priority,
IList <byte[]> buffers, int messageHeaderSize,
MessageProgressCallback messageProgressCallback)
{
// add new buffers to the queue of outgoing frames
const bool closeFlag = false;
int byteCount = 0;
int totalByteCount = 0;
foreach (byte[] buf in buffers)
{
totalByteCount += buf.Length;
}
lock (outgoingFrames)
{
// find the proper place to insert into the queue
int insertionIndex = findOutgoingInsertionIndex(priority);
int frameNumber = 1;
foreach (byte[] buf in buffers)
{
byteCount += buf.Length;
if (frameNumber == buffers.Count)
{
// the frame number is negative for the last frame
frameNumber *= -1;
}
OutgoingFrame newFrame = new OutgoingFrame(
buf, transportId, frameNumber,
messageHeaderSize, messageProgressCallback,
byteCount, totalByteCount, priority, closeFlag);
outgoingFrames.Insert(insertionIndex++, newFrame);
++frameNumber;
}
}
}
public virtual void post(int transportId, int priority,
IList<byte[]> buffers, int messageHeaderSize,
MessageProgressCallback messageProgressCallback)
{
channelWriter.post(transportId, priority, buffers,
messageHeaderSize, messageProgressCallback);
}
internal virtual void post(int transportId, int priority,
IList<byte[]> buffers, int messageHeaderSize,
MessageProgressCallback messageProgressCallback)
{
// add new buffers to the queue of outgoing frames
const bool closeFlag = false;
int byteCount = 0;
int totalByteCount = 0;
foreach (byte[] buf in buffers)
{
totalByteCount += buf.Length;
}
lock (outgoingFrames)
{
// find the proper place to insert into the queue
int insertionIndex = findOutgoingInsertionIndex(priority);
int frameNumber = 1;
foreach (byte[] buf in buffers)
{
byteCount += buf.Length;
if (frameNumber == buffers.Count)
{
// the frame number is negative for the last frame
frameNumber *= -1;
}
OutgoingFrame newFrame = new OutgoingFrame(
buf, transportId, frameNumber,
messageHeaderSize, messageProgressCallback,
byteCount, totalByteCount, priority, closeFlag);
outgoingFrames.Insert(insertionIndex++, newFrame);
++frameNumber;
}
}
}
internal virtual void doSomeOutput()
{
OutgoingFrame frame;
lock (outgoingFrames)
{
if (outgoingFrames.Count == 0)
{
return;
}
frame = outgoingFrames[0];
if (frame.closeFlag)
{
outgoingFrames.RemoveAt(0);
// this artificial exception forces the worker to
// physically close this connection and remove it
// from the set of channels
throw new YAMIIOException("dummy");
}
}
if (connection.connectedChannel != null)
{
// TCP connection
int sent =
connection.connectedChannel.Send(frame.BuffersToSent);
frame.AddSentBytes(sent);
}
else if (connection.ssl != null)
{
// TCP SSL connection
int sent =
connection.writingQueue.PutMany(frame.BuffersToSent);
frame.AddSentBytes(sent);
}
else
{
// UDP connection
connection.datagramChannel.SendTo(
frame.SingleBuffer, connection.targetAddress);
}
if (frame.buffersConsumed())
{
// the first frame (head in the queue) was complmesetely
// sent -> notify its progress callback and remove
// the head from the queue
lock (outgoingFrames)
{
outgoingFrames.RemoveAt(0);
}
MessageProgressCallback callback =
frame.messageProgressCallback;
if (callback != null)
{
callback.progress(frame.byteCount, frame.totalByteCount);
}
if (logCallback != null)
{
if (logLevel == LogEventArgs.LogLevel.HIGH)
{
logCallback.Log(LogEventArgs.LogLevel.HIGH,
"Frame sent:"
+ " target: " + target
+ " tid: " + frame.transportId
+ " fid: " + frame.frameNumber
+ " size: "
+ frame.byteCount + "/" + frame.totalByteCount);
}
}
}
}
