public string VendorString; // 提供者 64octets
public static StartControlConnectionRequest Parse(byte *p, int len)
{
if (null == p || len < 156)
{
return(null);
}
StartControlConnectionRequest request = new StartControlConnectionRequest();
request.ContextPtr = unchecked ((SCCRC *)p);
int size = ntohs(request.ContextPtr->Length);
if (size < 156)
{
return(null);
}
if (1 != ntohs(request.ContextPtr->ControlMessageType))
{
return(null);
}
sbyte *ofs = (sbyte *)(p + sizeof(SCCRC));
request.HostName = new string(ofs, 0, 64).TrimEnd('\x0');
request.VendorString = new string(ofs + 64, 0, 64).TrimEnd('\x0');
return(request);
}
protected virtual int HandleConnectionRequest(byte[] buffer, int len)
{
fixed(byte *p = buffer)
{
StartControlConnectionRequest request = StartControlConnectionRequest.Parse(p, len);
if (request == null)
{
return(CloseOrAbort(true));
}
StartControlConnectionReply reply = new StartControlConnectionReply();
fixed(StartControlConnectionReply.SCCRC *x = &reply.Context)
{
*(StartControlConnectionRequest.SCCRC *)x = *request.ContextPtr;
}
reply.Context.BearerCapabilities = ntohl(2);
reply.Context.ControlMessageType = ntohs(2);
reply.Context.MaximumChannels = 0;
reply.Context.FirmwareRevision = ntohs(3);
reply.Context.ResultCode = 1;
reply.Context.ErrorCode = 0;
reply.HostName = request.HostName;
reply.VendorString = request.VendorString;
using (MemoryStream ms = reply.Serialize())
{
byte[] message = ms.GetBuffer();
SendMessage(message, 0, unchecked ((int)ms.Position));
}
m_bState++;
return(0);
}
}