| private GetBuffers ( ) : System.Net.BufferOffsetSize[] | ||
| return | System.Net.BufferOffsetSize[] | |
internal void Write(ScatterGatherBuffers writeBuffer)
{
BufferOffsetSize[] buffers = writeBuffer.GetBuffers();
if (buffers != null)
{
base.MultipleWrite(buffers);
}
}
// This method is called by ConnectStream, only when resubmitting
// We have sent the headers already in HttpWebRequest.EndSubmitRequest()
// which calls ConnectStream.WriteHeaders() which calls to HttpWebRequest.EndWriteHeaders()
// which calls ConnectStream.ResubmitWrite() which calls in here
internal void Write(ScatterGatherBuffers writeBuffer) {
GlobalLog.Enter("Connection#" + ValidationHelper.HashString(this) + "::Write(ScatterGatherBuffers) networkstream#" + ValidationHelper.HashString(NetworkStream));
//
// parameter validation
//
GlobalLog.Assert(writeBuffer != null, "Connection#{0}::Write(ScatterGatherBuffers)|writeBuffer == null", ValidationHelper.HashString(this));
//
// set up array for MultipleWrite call
// note that GetBuffers returns null if we never wrote to it.
//
BufferOffsetSize[] buffers = writeBuffer.GetBuffers();
if (buffers!=null) {
//
// This will block writing the buffers out.
//
MultipleWrite(buffers);
}
GlobalLog.Leave("Connection#" + ValidationHelper.HashString(this) + "::Write(ScatterGatherBuffers) this:" + ValidationHelper.HashString(this) + " writeBuffer.Size:" + writeBuffer.Length.ToString());
}
//
// this API is called by ConnectStream, only when resubmitting
// so we sent the headers already in HttpWebRequest.EndSubmitRequest()
// which calls ConnectStream.WriteHeaders()
// only after it queues async call to HttpWebRequest.EndWriteHeaders()
// which calls ConnectStream.ResubmitWrite()
// which calls in here
//
internal void Write(ScatterGatherBuffers writeBuffer) {
//
// parameter validation
//
GlobalLog.Assert(
writeBuffer!=null,
"writeBuffer==null",
"Connection.Write(ScatterGatherBuffers) - failed internal parameter validation" );
GlobalLog.Enter("Connection#" + ValidationHelper.HashString(this) + "::Write(ScatterGatherBuffers) cnt#" + ValidationHelper.HashString(this) + "trns#" + ValidationHelper.HashString(Transport));
NetworkStream chkTransport = Transport;
if (chkTransport==null) {
Exception exception = new IOException(SR.GetString(SR.net_io_writefailure));
GlobalLog.LeaveException("Connection#" + ValidationHelper.HashString(this) + "::Write(ScatterGatherBuffers)", exception);
throw exception;
}
try {
//
// set up array for MultipleWrite call
// note that GetBuffers returns null if we never wrote to it.
//
BufferOffsetSize[] buffers = writeBuffer.GetBuffers();
if (buffers!=null) {
//
// when buffering this write will happend on a worker thread, so for async
// operating apps, this will not block
//
IAsyncResult asyncResult = chkTransport.BeginMultipleWrite(buffers, null, null);
chkTransport.EndMultipleWrite(asyncResult);
}
}
catch (Exception exception) {
m_Error = WebExceptionStatus.SendFailure;
GlobalLog.LeaveException("Connection#" + ValidationHelper.HashString(this) + "::Write(ScatterGatherBuffers)", exception);
throw;
}
GlobalLog.Leave("Connection#" + ValidationHelper.HashString(this) + "::Write(ScatterGatherBuffers) this:" + ValidationHelper.HashString(this) + " writeBuffer.Size:" + writeBuffer.Length.ToString());
}