internal virtual bool postClose(int priority)
{
bool result;
IList <OutgoingFrame> tail = null;
lock (outgoingFrames)
{
if (outgoingFrames.Count == 0)
{
// there are no outgoing frames,
// the channel can be closed immediately
result = true;
}
else
{
OutgoingFrame poisonPill =
new OutgoingFrame(
null, 0, 0, 0, null, 0, 0, 0, true
);
int insertionIndex =
findOutgoingInsertionIndex(priority);
outgoingFrames.Insert(insertionIndex, poisonPill);
tail = cleanOutgoingFrames(insertionIndex + 1);
result = false;
}
}
if (result == false)
{
// notify cancellation for those messages
// that are behind the poison pill
// (they will be never transmitted)
notifyCancellation(tail);
}
return(result);
}
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 bool postClose(int priority)
{
bool result;
IList<OutgoingFrame> tail = null;
lock (outgoingFrames)
{
if (outgoingFrames.Count == 0)
{
// there are no outgoing frames,
// the channel can be closed immediately
result = true;
}
else
{
OutgoingFrame poisonPill =
new OutgoingFrame(
null, 0, 0, 0, null, 0, 0, 0, true
);
int insertionIndex =
findOutgoingInsertionIndex(priority);
outgoingFrames.Insert(insertionIndex, poisonPill);
tail = cleanOutgoingFrames(insertionIndex + 1);
result = false;
}
}
if (result == false)
{
// notify cancellation for those messages
// that are behind the poison pill
// (they will be never transmitted)
notifyCancellation(tail);
}
return result;
}
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;
}
}
}
