/// <summary>
/// 检测数据
/// </summary>
/// <returns></returns>
private bool CheckData()
{
try
{
var item = mReciveQuene.Dequeue();
if (item.ASDU.InformationObject[2] != 2) //是否为文件传输包
{
return(false);
}
if (item.ASDU.InformationObject[3] != 2) //是否为目录召唤确认
{
return(false);
}
var packet = new FileNr.FileDirectoryCalledAckPacket(item.PacketData, 0, (byte)item.PacketData.Length);
if (packet.DirectoryID == callPacket.DirectoryID)
{
readFileDicrectoryAckPacket = item;
ackPacket = packet;
return(true);
}
return(false);
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 文件服务时间
/// </summary>
/// <param name="message">文件消息</param>
/// <param name="operation">操作标识</param>
/// <param name="packet">数据包</param>
/// <param name="additionalPacket">附加数据包</param>
public FileServerEventArgs(string message, FileNr.OperatSign operation, FilePacket packet, T additionalPacket)
{
Message = message;
Operation = operation;
Packet = packet;
AdditionalPacket = additionalPacket;
}
/// <summary>
/// 信息入队
/// </summary>
/// <param name="packet">文件数据包</param>
public void Enqueue(FilePacket packet)
{
lock (RecivePacketQuene)
{
RecivePacketQuene.Enqueue(packet);
}
}
/// <summary>
/// 时间内完成调用
/// </summary>
/// <returns>true--结束本次传输</returns>
private bool AckOnTime()
{
switch (stage)
{
case TransmitStage.Activity:
{
if (WriteFileActivityAckEvent != null)
{
var e = new FileServerEventArgs <FileNr.FileWriteActivityAckPacket>("从机应答", FileNr.OperatSign.WriteFileActivityAck,
writeFileActivityAckPacket, ackPacket);
WriteFileActivityAckEvent(Thread.CurrentThread, e);
}
mRepeatCount = 0;
stage = TransmitStage.Transmission;
transmitPacket = packetManager.PacketCollect[ackCount];
writeFileTransmitPacket = new FileWritePacket(0, 0, CauseOfTransmissionList.ActivationACK,
0, transmitPacket);
return(false);
}
case TransmitStage.Transmission:
{
bool state = false;
FileNr.FileTransmitDescription result = FileNr.FileTransmitDescription.UnknowError;
//先检测确认包
if ((transmitAckPacket.FragmentNum == packetManager.PacketCollect[ackCount].FragmentNum) &&
(transmitAckPacket.Result == FileNr.FileTransmitDescription.Success))
{
result = FileNr.FileTransmitDescription.Success;
if (++ackCount < packetManager.PacketCollect.Count)
{
transmitPacket = packetManager.PacketCollect[ackCount];
writeFileTransmitPacket = new FileWritePacket(0, 0, CauseOfTransmissionList.ActivationACK,
0, transmitPacket);
}
else
{
state = true;
}
mRepeatCount = 0;
}
if (WriteFileTransmitAckEvent != null)
{
var e = new FileServerEventArgs <FileNr.FileWriteThransmitAckPacket>("从机应答:" + result.ToString(), FileNr.OperatSign.WriteFileThransmitAck
, writeFileActivityAckPacket, null);
WriteFileTransmitAckEvent(Thread.CurrentThread, e);
}
return(state);
}
}
return(true);
}
/// <summary>
/// 时间内完成调用
/// </summary>
/// <returns>true--结束本次传输</returns>
private bool AckOnTime()
{
switch (stage)
{
case TransmitStage.Activity:
{
if (ReadFileActivityAckEvent != null)
{
var e = new FileServerEventArgs <FileNr.FileReadActivityAckPacket>("从机应答", FileNr.OperatSign.ReadFileActivityACK,
readFileActivityAckPacket, ackPacket);
ReadFileActivityAckEvent(Thread.CurrentThread, e);
}
mRepeatCount = 0;
stage = TransmitStage.Transmission;
return(false);
}
case TransmitStage.Transmission:
{
var result = packetManager.AddPacketData(transmitPacket);
if (result == FileNr.FileTransmitDescription.Success)
{
var addPacket = new FileNr.FileReadThransmitAckPacket(packetManager.Attribute.ID,
packetManager.CurrentPacket.FragmentNum, packetManager.CurrentPacket.Fllow);
readFileTransmitAckPacket = new FilePacket(0, 0, CauseOfTransmissionList.ActivationACK,
0, addPacket.GetPacketData());
}
else
{
if (ReadFileTransmitAckEvent != null)
{
var e = new FileServerEventArgs <FileNr.FileReadThransmitAckPacket>("从机应答:" + result.ToString(), FileNr.OperatSign.ReadFileDataResponseACK,
readFileActivityAckPacket, null);
ReadFileTransmitAckEvent(Thread.CurrentThread, e);
}
}
mRepeatCount = 0;
return(false);
}
}
return(true);
}
/// <summary>
/// 检测数据
/// </summary>
/// <returns></returns>
private bool CheckData()
{
try
{
var item = mReciveQuene.Dequeue();
if (item.ASDU.InformationObject[2] != 2)//是否为文件传输包
{
Console.WriteLine("不是文件传输包");
return(false);
}
switch (stage)
{
case TransmitStage.Activity:
{
if (item.ASDU.InformationObject[3] != 4) //是否为读文件激活确认
{
Console.WriteLine("不是读文件激活确认");
return(false);
}
var packet = new FileNr.FileReadActivityAckPacket(item.PacketData, 0, (byte)item.PacketData.Length);
if (packet.Name == packetManager.Attribute.Name)
{
readFileActivityAckPacket = item;
ackPacket = packet;
return(true);
}
else
{
Console.WriteLine("名称不一致");
return(false);
}
}
case TransmitStage.Transmission:
{
if (item.ASDU.InformationObject[3] != 5) //是否为读文件传输
{
Console.WriteLine("不是读文件传输");
return(false);
}
var packet = new FileNr.FileDataThransmitPacket(item.PacketData, 0, (byte)item.PacketData.Length);
if (packet.FileID == packetManager.Attribute.ID)
{
readFileTransmitPacket = item;
transmitPacket = packet;
return(true);
}
else
{
Console.WriteLine("ID不一致");
return(false);
}
}
}
return(false);
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 检测数据
/// </summary>
/// <returns></returns>
private bool CheckData()
{
try
{
var item = mReciveQuene.Dequeue();
if (item.ASDU.InformationObject[2] != 2)//是否为文件传输包
{
Console.WriteLine("不是文件传输包");
return(false);
}
switch (stage)
{
case TransmitStage.Activity:
{
if (item.ASDU.InformationObject[3] != 8) //是否为读文件激活确认
{
Console.WriteLine("不是写文件激活确认");
return(false);
}
var packet = new FileNr.FileWriteActivityAckPacket(item.PacketData, 0, (byte)item.PacketData.Length);
if (packet.Name != packetManager.Attribute.Name)
{
Console.WriteLine("名称不一致");
return(false);
}
if (packet.FileID != packetManager.Attribute.ID)
{
Console.WriteLine("ID不一致");
return(false);
}
writeFileActivityAckPacket = item;
ackPacket = packet;
return(true);
}
case TransmitStage.Transmission:
{
if (item.ASDU.InformationObject[3] != 10) //是否写文件传输确认
{
Console.WriteLine("不是写文件传输确认");
return(false);
}
var packet = new FileNr.FileWriteThransmitAckPacket(item.PacketData, 0);
if (packet.Result == FileNr.FileTransmitDescription.Success)
{
writeFileTransmitAckPacket = item;
transmitAckPacket = packet;
return(true);
}
else
{
Console.WriteLine("ID不一致");
if (WriteFileTransmitAckEvent != null)
{
var e = new FileServerEventArgs <FileNr.FileWriteThransmitAckPacket>("从机应答:" + packet.Result.ToString(), FileNr.OperatSign.WriteFileThransmitAck
, writeFileActivityAckPacket, null);
WriteFileTransmitAckEvent(Thread.CurrentThread, e);
}
return(false);
}
}
}
return(false);
}
catch (Exception ex)
{
throw ex;
}
}