Exemple #1
0
        private async Task WriteMessageInternalAsync(Message message, Stream stream, string startInfo, string boundary, string startUri, bool writeMessageHeaders)
        {
            if (message == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException(nameof(message)));
            }
            if (stream == null)
            {
                throw TraceUtility.ThrowHelperError(new ArgumentNullException(nameof(stream)), message);
            }
            ThrowIfMismatchedMessageVersion(message);

            EventTraceActivity eventTraceActivity = null;

            if (WcfEventSource.Instance.MtomMessageEncodingStartIsEnabled())
            {
                eventTraceActivity = EventTraceActivityHelper.TryExtractActivity(message);
                WcfEventSource.Instance.MtomMessageEncodingStart(eventTraceActivity);
            }

            message.Properties.Encoder = this;
            if (MessageLogger.LogMessagesAtTransportLevel)
            {
                MessageLogger.LogMessage(ref message, MessageLoggingSource.TransportSend);
            }
            XmlDictionaryWriter xmlWriter = _factory.TakeStreamedWriter(stream, startInfo, boundary, startUri, writeMessageHeaders);

            if (_writeEncoding.WebName == "utf-8")
            {
                await message.WriteMessageAsync(xmlWriter);
            }
            else
            {
                await xmlWriter.WriteStartDocumentAsync();

                await message.WriteMessageAsync(xmlWriter);

                await xmlWriter.WriteEndDocumentAsync();
            }

            await xmlWriter.FlushAsync();

            _factory.ReturnStreamedWriter(xmlWriter);

            if (WcfEventSource.Instance.StreamedMessageWrittenByEncoderIsEnabled())
            {
                WcfEventSource.Instance.StreamedMessageWrittenByEncoder(eventTraceActivity ?? EventTraceActivityHelper.TryExtractActivity(message));
            }
        }