private unsafe void DataLoop(byte data, int clientID)
{
_byteCache.Add(data);
if (!_protocol.Received)
{
_savedHeaderInfo = _protocol.IsProtocolHeader(ref _byteCache);
if (_savedHeaderInfo != null)
{
_protocol.Received = true;
}
else
{
_protocol.Received = false;
}
}
else if (_protocol.Received)
{
SmmpPacket packet = _protocol.ReadFormSmProtocol(ref _byteCache, ref _savedHeaderInfo);
if (packet != null)
{
onReceivedData(_tcp._localTcpStruct, _remoteTcpStruct, packet, (byte[])_byteCache.ToArray(typeof(byte)));
_protocol.Received = false;
_byteCache.Clear();
}
}
}
internal SmmpPacket DataLoop(byte data, int clientID)
{
_byteCache.Add(data);
string s = DataEncoding.GetString((byte[])_byteCache.ToArray(typeof(byte)));
if (!_protocol.Received)
{
SmmpProtocalHeader pheader = _protocol.IsProtocolHeader(ref _byteCache);
if (pheader != null)
{
_savedHeaderInfo = pheader;
_protocol.Received = true;
}
}
else if (_protocol.Received)
{
SmmpPacket packet = _protocol.ReadFormSmProtocol(ref _byteCache, ref _savedHeaderInfo);
if (packet != null)
{
onReceivedData(_localTcpStruct, _remoteTcpStruct, packet, null);
_protocol.Received = false;
_byteCache.Clear();
}
return(packet);
}
return(null);
}
/// <summary>
/// 获取SM协议头结构数据
/// </summary>
/// <param name="packetBuffer">数据</param>
/// <returns></returns>
public SmmpProtocalHeader IsProtocolHeader(ref ArrayList packetBuffer)
{
SmmpProtocalHeader HeaderInfo = new SmmpProtocalHeader();
HeaderInfo.IsSmProtocol = false;
string stringData = Encoding.Default.GetString((byte[])packetBuffer.ToArray(typeof(byte)));
if (stringData.Length < 6)
{
return(null);
}
int startC = stringData.IndexOf("SMMP\r\n");
if (startC == -1)
{
if (packetBuffer.Count > 1024)
{
packetBuffer.Clear();
}
return(null);
}
stringData = stringData.Substring(startC, stringData.Length - startC);
string[] headerLine = stringData.Split(new string[] { "\r\n" }, StringSplitOptions.None);
if (headerLine.Length < 5)
{
return(null);
}
else
{
if (headerLine[0] != "SMMP")
{
packetBuffer.Clear();
return(null);
}
if (!int.TryParse(headerLine[1], out HeaderInfo.MessageID))
{
packetBuffer.Clear();
return(null);
}
if (!int.TryParse(headerLine[2], out HeaderInfo.ResponseID))
{
packetBuffer.Clear();
return(null);
}
if (!int.TryParse(headerLine[3], out HeaderInfo.MessagesBytes))
{
packetBuffer.Clear();
return(null);
}
HeaderInfo.IsSmProtocol = true;
packetBuffer.Clear();
}
return(HeaderInfo);
}
/// <summary>
/// 根据SM协议头保存的状态读取数据
/// </summary>
/// <param name="packetBuffer">在状态缓存中的数据</param>
/// <param name="headerInfo">协议头信息</param>
/// <returns></returns>
public SmmpPacket ReadFormSmProtocol(ref ArrayList packetBuffer, ref SmmpProtocalHeader headerInfo)
{
byte[] bytes = (byte[])packetBuffer.ToArray(typeof(byte));
if (bytes.Length >= headerInfo.MessagesBytes && contentLength == 0)
{
byte[] headerMessageBytes = new byte[headerInfo.MessagesBytes];
Memory.Memory.MemCpy(ref headerMessageBytes, ref bytes);
string[] messageLines = Encoding.Default.GetString(headerMessageBytes).Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
packet = new SmmpPacket(headerInfo.MessageID, headerInfo.ResponseID);
packet.Messages = new NameValueCollection();
foreach (string messageLine in messageLines)
{
string[] messageSplited = messageLine.Split(new string[] { ":" }, 2, StringSplitOptions.None);
if (messageSplited.Length == 2)
{
packet.Messages.Add(messageSplited[0], messageSplited[1]);
}
}
MessageRead = true;
packetBuffer.Clear();
if (packet.Messages.Count == 0)
{
return(null);
}
if (int.TryParse(packet.Messages["ContentLength"], out contentLength))
{
if (contentLength != 0)
{
return(null);
}
}
Received = false;
packet.RawData = bytes;
return(packet);
}
else if (bytes.Length >= contentLength && contentLength > 0)
{
if (packet == null)
{
return(null);
}
packet.ContentBuffer = new byte[contentLength];
for (int i = 0; i < contentLength; i++)
{
packet.ContentBuffer[i] = bytes[i];
}
packetBuffer.Clear();
Received = false;
contentLength = 0;
packet.RawData = bytes;
return(packet);
}
return(null);
}
/// <summary>
/// ����SMЭ��ͷ�����״̬��ȡ����
/// </summary>
/// <param name="packetBuffer">��״̬�����е�����</param>
/// <param name="headerInfo">Э��ͷ��Ϣ</param>
/// <returns></returns>
public SmmpPacket ReadFormSmProtocol(ref ArrayList packetBuffer, ref SmmpProtocalHeader headerInfo)
{
byte[] bytes = (byte[])packetBuffer.ToArray(typeof(byte));
if (bytes.Length >= headerInfo.MessagesBytes && contentLength == 0)
{
byte[] headerMessageBytes = new byte[headerInfo.MessagesBytes];
Memory.Memory.MemCpy(ref headerMessageBytes, ref bytes);
string[] messageLines = Encoding.Default.GetString(headerMessageBytes).Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
packet = new SmmpPacket(headerInfo.MessageID, headerInfo.ResponseID);
packet.Messages = new NameValueCollection();
foreach (string messageLine in messageLines)
{
string[] messageSplited = messageLine.Split(new string[] { ":" }, 2, StringSplitOptions.None);
if (messageSplited.Length == 2)
packet.Messages.Add(messageSplited[0], messageSplited[1]);
}
MessageRead = true;
packetBuffer.Clear();
if (packet.Messages.Count == 0) return null;
if (int.TryParse(packet.Messages["ContentLength"], out contentLength))
{
if (contentLength != 0)
return null;
}
Received = false;
packet.RawData = bytes;
return packet;
}
else if (bytes.Length >= contentLength && contentLength > 0)
{
if (packet == null) return null;
packet.ContentBuffer = new byte[contentLength];
for (int i = 0; i < contentLength; i++)
packet.ContentBuffer[i] = bytes[i];
packetBuffer.Clear();
Received = false;
contentLength = 0;
packet.RawData = bytes;
return packet;
}
return null;
}
/// <summary>
/// ��ȡSMЭ��ͷ�ṹ����
/// </summary>
/// <param name="packetBuffer">����</param>
/// <returns></returns>
public SmmpProtocalHeader IsProtocolHeader(ref ArrayList packetBuffer)
{
SmmpProtocalHeader HeaderInfo = new SmmpProtocalHeader();
HeaderInfo.IsSmProtocol = false;
string stringData = Encoding.Default.GetString((byte[])packetBuffer.ToArray(typeof(byte)));
if (stringData.Length < 6)
return null;
int startC = stringData.IndexOf("SMMP\r\n");
if (startC == -1)
{
if (packetBuffer.Count > 1024) packetBuffer.Clear();
return null;
}
stringData = stringData.Substring(startC, stringData.Length - startC);
string[] headerLine = stringData.Split(new string[] { "\r\n" }, StringSplitOptions.None);
if (headerLine.Length < 5) return null;
else
{
if (headerLine[0] != "SMMP")
{
packetBuffer.Clear();
return null;
}
if (!int.TryParse(headerLine[1], out HeaderInfo.MessageID))
{
packetBuffer.Clear();
return null;
}
if (!int.TryParse(headerLine[2], out HeaderInfo.ResponseID))
{
packetBuffer.Clear();
return null;
}
if (!int.TryParse(headerLine[3], out HeaderInfo.MessagesBytes))
{
packetBuffer.Clear();
return null;
}
HeaderInfo.IsSmProtocol = true;
packetBuffer.Clear();
}
return HeaderInfo;
}
internal SmmpPacket DataLoop(byte data, int clientID)
{
_byteCache.Add(data);
string s = DataEncoding.GetString((byte[])_byteCache.ToArray(typeof(byte)));
if (!_protocol.Received)
{
SmmpProtocalHeader pheader = _protocol.IsProtocolHeader(ref _byteCache);
if (pheader != null)
{
_savedHeaderInfo = pheader;
_protocol.Received = true;
}
}
else if (_protocol.Received)
{
SmmpPacket packet = _protocol.ReadFormSmProtocol(ref _byteCache, ref _savedHeaderInfo);
if (packet != null)
{
onReceivedData(_localTcpStruct, _remoteTcpStruct, packet, null);
_protocol.Received = false;
_byteCache.Clear();
}
return packet;
}
return null;
}
private unsafe void DataLoop(byte data, int clientID)
{
_byteCache.Add(data);
if (!_protocol.Received)
{
_savedHeaderInfo = _protocol.IsProtocolHeader(ref _byteCache);
if (_savedHeaderInfo != null)
{
_protocol.Received = true;
}
else _protocol.Received = false;
}
else if (_protocol.Received)
{
SmmpPacket packet = _protocol.ReadFormSmProtocol(ref _byteCache, ref _savedHeaderInfo);
if (packet != null)
{
onReceivedData(_tcp._localTcpStruct, _remoteTcpStruct, packet, (byte[])_byteCache.ToArray(typeof(byte)));
_protocol.Received = false;
_byteCache.Clear();
}
}
}
