protected override Object getReplyTail(byte[] package)
{
ProtocalHead head = (ProtocalHead)getReplyHead(package);
byte[] tailBytes = ByteArray.CopyTo(package, Marshal.SizeOf(typeof(ProtocalHead)) + head.size, Marshal.SizeOf(typeof(ProtocalTail)));
return(Struct.BytesToStuct(tailBytes, typeof(ProtocalTail)));
}
private bool checkout(byte[] buffer)
{
byte[] headBytes = ByteArray.CopyTo(buffer, 0, Marshal.SizeOf(typeof(ProtocalHead)));
ProtocalHead head = (ProtocalHead)Struct.BytesToStuct(headBytes, typeof(ProtocalHead));
byte[] bodyBytes = ByteArray.CopyTo(buffer, Marshal.SizeOf(typeof(ProtocalHead)), head.size);
byte[] tailBytes = ByteArray.CopyTo(buffer, Marshal.SizeOf(typeof(ProtocalHead)) + head.size, Marshal.SizeOf(typeof(ProtocalTail)));
ProtocalTail tail = (ProtocalTail)Struct.BytesToStuct(tailBytes, typeof(ProtocalTail));
UInt16 crc = Utils.getCRC16(0, ByteArray.CombomByteArray(headBytes, bodyBytes), Marshal.SizeOf(typeof(ProtocalHead)) + head.size);
return(crc == tail.crc16);
}
private bool autoUpgrade()
{
Console.WriteLine("Try auto upgrade...");
udpCommu.remoteEP = new IPEndPoint(IPAddress.Broadcast, prmPort);
Protocal.CmdTxUpgrade outPackage;
outPackage.cmd = Protocal.CMD_FIRMWARE_UPDATE;
outPackage.code = (byte)Protocal.UpgradeCode.AskAllowUpgrade;
outPackage.passwd = Protocal.UpgradePasswd;
byte[] outBytes = Struct.StructToBytes(outPackage);
byte[] inBytes;
try
{
Console.WriteLine("Shake hands...");
udpCommu.sendCmd(outBytes, outBytes.Length, out inBytes, Marshal.SizeOf(typeof(Protocal.CmdRxUpgrade)));
Protocal.CmdRxUpgrade upgress = (Protocal.CmdRxUpgrade)Struct.BytesToStuct(inBytes, typeof(Protocal.CmdRxUpgrade));
if (upgress.replyCode != (byte)Protocal.UpgradeStatus.Allow)
{
Console.WriteLine("Quit auto upgrade, because of " + (Protocal.UpgradeStatus)upgress.replyCode);
return(false);
}
Console.WriteLine("OK!");
Console.WriteLine("Start...");
outPackage.code = (byte)Protocal.UpgradeCode.StartUpgrade;
outBytes = Struct.StructToBytes(outPackage);
udpCommu.sendCmd(outBytes, outBytes.Length, out inBytes, Marshal.SizeOf(typeof(Protocal.CmdRxUpgrade)));
upgress = (Protocal.CmdRxUpgrade)Struct.BytesToStuct(inBytes, typeof(Protocal.CmdRxUpgrade));
if (upgress.replyCode != (byte)Protocal.UpgradeStatus.Allow)
{
Console.WriteLine("Quit auto upgrade, because of " + (Protocal.UpgradeStatus)upgress.replyCode);
return(false);
}
Console.WriteLine("OK!");
}
catch (SendCmdException e)
{
Console.WriteLine("Quit auto upgrade, because of " + e.errorStatus);
return(false);
}
remoteEP = udpCommu.remoteEP;
remoteEP.Port = bootPort;
refreshIP();
return(true);
}
private bool writeReq(UdpClient client, string filePath)
{
byte[] byteArray = BitConverter.GetBytes(Utils.htons((UInt16)TftpCode.Wrq));
byte[] byteArray1 = Encoding.Default.GetBytes(Path.GetFileName(filePath));
byteArray = ByteArray.CombomByteArray(byteArray, byteArray1);
byteArray1 = new byte[1];
byteArray1[0] = 0;
byteArray = ByteArray.CombomByteArray(byteArray, byteArray1);
byteArray1 = Encoding.Default.GetBytes("octet");
byteArray = ByteArray.CombomByteArray(byteArray, byteArray1);
byteArray1 = new byte[1];
byteArray1[0] = 0;
byteArray = ByteArray.CombomByteArray(byteArray, byteArray1);
IPEndPoint remoteIpEndPoint = new IPEndPoint(IPAddress.Parse(remoteIP), remotePort);
client.Send(byteArray, byteArray.Length, remoteIpEndPoint);
IPEndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
byte[] receiveBytes = client.Receive(ref remoteEP);
Reply reply = (Reply)Struct.BytesToStuct(receiveBytes, typeof(Reply));
reply.opCode = Utils.htons(reply.opCode);
reply.block = Utils.htons(reply.block);
if ((reply.opCode != (UInt16)TftpCode.Ack) || (reply.block != 0))
{
return(false);
}
remoteIP = remoteEP.Address.ToString();
remotePort = remoteEP.Port;
Console.WriteLine("IP: {0}, Port: {1}", remoteIP, remotePort);
return(true);
}
protected override ushort getReplyCmd(byte[] package)
{
byte[] bodyBytes = ByteArray.CopyTo(package, Marshal.SizeOf(typeof(ProtocalHead)), Marshal.SizeOf(typeof(Protocal.CmdReplyVoid)));
Protocal.CmdReplyVoid reply = (Protocal.CmdReplyVoid)Struct.BytesToStuct(bodyBytes, typeof(Protocal.CmdReplyVoid));
return(reply.cmd);
}
protected override Object getReplyHead(byte[] package)
{
byte[] headBytes = ByteArray.CopyTo(package, 0, Marshal.SizeOf(typeof(ProtocalHead)));
return(Struct.BytesToStuct(headBytes, typeof(ProtocalHead)));
}
public bool writeData(UdpClient client, string filePath, byte xor)
{
bool ret = true;
FileInfo fileInfo = new FileInfo(filePath);
long fileTotalLength = fileInfo.Length;
long fileWriteLenght = 0;
try
{
FileStream fileStreamIn = File.OpenRead(filePath);
byte[] buffer = new byte[TFTP_MAX_DATE_SIZE];
int readLenth = 0;
UInt16 nextBlock = 0;
do
{
readLenth = fileStreamIn.Read(buffer, 0, buffer.Length);
for (int i = 0; i < readLenth; ++i)
{
buffer[i] ^= xor;
}
nextBlock++;
WriteData outData;
outData.opCode = Utils.htons((UInt16)TftpCode.Data);
outData.block = Utils.htons(nextBlock);
outData.data = buffer;
byte[] bytes = Struct.StructToBytes(outData);
int count = 0;
bool replyOK = false;
do
{
try
{
IPEndPoint remoteIpEndPoint = new IPEndPoint(IPAddress.Parse(remoteIP), remotePort);
client.Send(bytes, Marshal.SizeOf(outData.opCode)
+ Marshal.SizeOf(outData.block) + readLenth, remoteIpEndPoint);
Reply reply;
do
{
IPEndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
byte[] receiveBytes = client.Receive(ref remoteEP);
reply = (Reply)Struct.BytesToStuct(receiveBytes, typeof(Reply));
reply.opCode = Utils.htons(reply.opCode);
reply.block = Utils.htons(reply.block);
} while ((reply.opCode != (UInt16)TftpCode.Ack) || (reply.block != nextBlock));
replyOK = true;
}
catch
{
count++;
msg_CallBack?.Invoke(TftpStatus.Err_Retry, count.ToString());
}
finally
{
if (count >= retryCnt)
{
ret = false;
}
}
} while ((replyOK == false) && (ret == true));
/* 发送进度 */
if (replyOK == true)
{
fileWriteLenght += readLenth;
int progress = (int)((float)fileWriteLenght / fileTotalLength * 100);
msg_CallBack?.Invoke(TftpStatus.WriteProgress, progress.ToString());
}
} while ((ret == true) && (readLenth >= TFTP_MAX_DATE_SIZE)); /* 最后的数据包长度为0时，仍要发送给服务器 */
if (ret == true)
{
msg_CallBack?.Invoke(TftpStatus.Success, "发送 [ " + fileWriteLenght.ToString() + "/" +
fileTotalLength.ToString() + " ] Bytes!");
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
return(false);
}
return(ret);
}
