private void TrySendStatusMessageToActive(PassiveStatusMsg.Flags statusFlags, long requestAckCounter, out NetworkTransportException sendException, out bool sendSkippedBecauseChannelBusy)
{
sendException = null;
sendSkippedBecauseChannelBusy = false;
NetworkChannel netCh = this.m_netChannel;
if (this.m_asyncNetWritePending || netCh == null)
{
PassiveBlockMode.Tracer.TraceError((long)this.GetHashCode(), "SendStatusMessageToActive skipped because channel is busy");
sendSkippedBecauseChannelBusy = true;
return;
}
ReplayState replayState = this.Configuration.ReplayState;
long highestCompleteGen = replayState.CopyNotificationGenerationNumber;
byte[] statusMsgBuf = PassiveStatusMsg.SerializeToBytes(statusFlags, requestAckCounter, (uint)highestCompleteGen, (uint)replayState.CopyGenerationNumber, (uint)replayState.InspectorGenerationNumber, (uint)replayState.ReplayGenerationNumber, this.m_isCrossSite);
bool writeStarted = false;
try
{
Exception ex = NetworkChannel.RunNetworkFunction(delegate
{
ExTraceGlobals.FaultInjectionTracer.TraceTest(PassiveBlockMode.ackMessageSendFailed);
PassiveBlockMode.Tracer.TraceDebug <string, long>((long)this.GetHashCode(), "Sending PassiveStatusMsg({0}) Gen 0x{1:X}", this.DatabaseName, highestCompleteGen);
this.m_nextPingDue = DateTime.UtcNow.AddMilliseconds((double)RegistryParameters.LogShipTimeoutInMsec);
this.m_asyncNetWritePending = true;
netCh.TcpChannel.Stream.BeginWrite(statusMsgBuf, 0, statusMsgBuf.Length, new AsyncCallback(this.NetWriteCompletion), netCh);
writeStarted = true;
});
if (ex != null)
{
PassiveBlockMode.Tracer.TraceError <Exception>((long)this.GetHashCode(), "SendStatusMessageToActive Failed to ping Active: {0}", ex);
ReplayEventLogConstants.Tuple_NotifyActiveSendFailed.LogEvent(null, new object[]
{
this.DatabaseName,
replayState.ReplayGenerationNumber,
replayState.InspectorGenerationNumber,
replayState.CopyGenerationNumber,
ex.Message
});
sendException = (ex as NetworkTransportException);
if (sendException == null)
{
sendException = new NetworkCommunicationException(netCh.PartnerNodeName, ex.Message, ex);
}
}
}
finally
{
if (!writeStarted)
{
this.m_asyncNetWritePending = false;
}
}
}
// Token: 0x06002248 RID: 8776 RVA: 0x0009FC80 File Offset: 0x0009DE80
internal static void QueryLogRange(Guid dbGuid, NetworkChannel ch, out long minGen, out long maxGen, out DateTime maxGenUtc)
{
minGen = 0L;
maxGen = 0L;
maxGenUtc = DateTime.UtcNow;
bool flag = false;
int timeoutToRestore = 0;
TcpChannel tcpChannel = null;
try
{
tcpChannel = ch.TcpChannel;
if (tcpChannel.ReadTimeoutInMs < RegistryParameters.QueryLogRangeTimeoutInMsec)
{
timeoutToRestore = tcpChannel.ReadTimeoutInMs;
tcpChannel.ReadTimeoutInMs = RegistryParameters.QueryLogRangeTimeoutInMsec;
}
QueryLogRangeRequest queryLogRangeRequest = new QueryLogRangeRequest(ch, dbGuid);
queryLogRangeRequest.Send();
NetworkChannelMessage message = ch.GetMessage();
QueryLogRangeReply queryLogRangeReply = message as QueryLogRangeReply;
if (queryLogRangeReply == null)
{
ch.ThrowUnexpectedMessage(message);
}
minGen = queryLogRangeReply.FirstAvailableGeneration;
maxGen = queryLogRangeReply.EndOfLogGeneration;
maxGenUtc = queryLogRangeReply.EndOfLogUtc;
ExTraceGlobals.LogCopyClientTracer.TraceDebug <long, long>((long)ch.GetHashCode(), "LogCopyClient:TryQueryLogRange: 0x{0:x} .. {1:x}", minGen, maxGen);
flag = true;
}
finally
{
if (timeoutToRestore > 0)
{
if (!flag)
{
NetworkChannel.RunNetworkFunction(delegate
{
tcpChannel.ReadTimeoutInMs = timeoutToRestore;
});
}
else
{
tcpChannel.ReadTimeoutInMs = timeoutToRestore;
}
}
}
}
private void NetWriteCompletion(IAsyncResult ar)
{
PassiveBlockMode.Tracer.TraceFunction <string>((long)this.GetHashCode(), "NetWriteCompletion({0})", this.DatabaseName);
NetworkChannel netCh = (NetworkChannel)ar.AsyncState;
Exception ex = NetworkChannel.RunNetworkFunction(delegate
{
netCh.TcpChannel.Stream.EndWrite(ar);
});
if (netCh == this.m_netChannel)
{
this.m_asyncNetWritePending = false;
if (ex != null)
{
PassiveBlockMode.Tracer.TraceError <string, Exception>((long)this.GetHashCode(), "NetWriteCompletion({0}) failed: {1}", this.DatabaseName, ex);
this.Terminate();
}
}
}
