internal void CallOnReturn(ulong identity)
{
ReturnParameter returnParameter = default(ReturnParameter);
returnParameter.Set(identity);
onReturn(returnParameter);
onReturn = null;
}
/// <summary>
/// 获取数据
/// </summary>
/// <param name="getMessage"></param>
internal void Get(QueueTaskThread.GetMessage getMessage)
{
ReturnType returnType = ReturnType.MessageQueueNotFoundReader;
try
{
if (isDisposed == 0)
{
if (getMessage.Identity == Identity)
{
if (onGetMessage == null || !onGetMessage.Callback(new ReturnParameter(ReturnType.Success)))
{
onGetMessage = getMessage.OnReturn;
isGetMessageStream = getMessage.IsReturnStream;
ulong endIdentity = Math.Min(Identity + Config.SendClientCount, writeIdentity);
sendIdentity = Identity;
sendMessageIndex = messageIndex;
getMessage = null;
ReturnParameter returnParameter = default(ReturnParameter);
while (sendIdentity != endIdentity)
{
returnParameter.Set(messages[sendMessageIndex].Data, isGetMessageStream);
if (onGetMessage.Callback(returnParameter))
{
nextSendIndex();
}
else
{
onGetMessage = null;
return;
}
}
return;
}
else
{
returnType = ReturnType.MessageQueueGetMessageExists;
}
}
else
{
returnType = ReturnType.MessageQueueReaderIdentityError;
}
}
}
finally
{
if (getMessage != null)
{
getMessage.OnReturn.Callback(new ReturnParameter(returnType));
}
}
}
/// <summary>
/// 设置已完成消息标识
/// </summary>
internal void SaveIdentity()
{
ulong identity = (ulong)Interlocked.Exchange(ref currentSetIdentity, 0L);
if (identity > Identity && identity <= sendIdentity)
{
saveState(identity);
if (isDisposed == 0)
{
int endMessageIndex = messageIndex + (int)(uint)(identity - Identity);
if (endMessageIndex >= messages.Length)
{
endMessageIndex -= messages.Length;
}
do
{
messages[messageIndex].OnMessage();
if (++messageIndex == messages.Length)
{
for (messageIndex = 0; messageIndex != endMessageIndex; messages[messageIndex++].OnMessage())
{
;
}
break;
}
}while (messageIndex != endMessageIndex);
Identity = identity;
memoryEndIdentity = identity + Config.MemoryCacheNodeCount;
if (writeIdentity < memoryEndIdentity && writeIdentity < writerAppendIdentity)
{
byte isReader = 0, isLoadFile = 0;
try
{
if (dataFileStream != null)
{
if (dataFileIdentity == writeIdentity)
{
isLoadFile = 1;
if (loadFile())
{
isReader = 1;
}
}
else
{
dataFileStream.Dispose();
dataFileStream = null;
}
}
if (isLoadFile == 0)
{
long fileIndex = 0;
if (Writer.GetIndex(writeIdentity, ref dataFileIdentity, ref fileIndex))
{
loadFile(fileIndex);
if (loadFile())
{
isReader = 1;
}
}
}
}
finally
{
if (isReader == 0)
{
Dispose();
}
}
}
if (isDisposed == 0 && onGetMessage != null)
{
ReturnParameter returnParameter = default(ReturnParameter);
ulong endIdentity = Math.Min(Identity + Config.SendClientCount, writeIdentity);
while (sendIdentity != endIdentity)
{
returnParameter.Set(messages[sendMessageIndex].Data, isGetMessageStream);
if (onGetMessage.Callback(returnParameter))
{
nextSendIndex();
}
else
{
onGetMessage = null;
return;
}
}
}
}
}
}
