/// <summary>
/// 创建基本识别头
/// </summary>
/// <returns></returns>
internal static _TAG_NETPACK_DISTINGUISHHEAD CreateDistinguishHead()
{
_TAG_NETPACK_DISTINGUISHHEAD head = new _TAG_NETPACK_DISTINGUISHHEAD();
head._flag = DecDefines.NETPACK_FLAG;
head._version = DecDefines.NETPACK_DISTHEAD_VER1;
head._cbsize = (byte)Marshal.SizeOf(typeof(_TAG_NETPACK_DISTINGUISHHEAD_VER1));
return(head);
}
private _TAG_NETPACK_DISTINGUISHHEAD_VER1 CreateVer1Head(byte packType,
ushort baseHeadType,
ushort extHeadType,
ushort validSize)
{
_TAG_NETPACK_DISTINGUISHHEAD distHead = Helpers.CreateDistinguishHead();
ushort distHeadSize = (ushort)Marshal.SizeOf(typeof(_TAG_NETPACK_DISTINGUISHHEAD));
ushort baseHeadSize = 0;
switch (baseHeadType)
{
case DecDefines.NETPACK_BASETYPE_NOTHING:
baseHeadSize = 0;
break;
case DecDefines.NETPACK_BASETYPE_APPLICATION_VER1:
baseHeadSize = (ushort)Marshal.SizeOf(typeof(NETPACK_BASEHEAD_APPLICATION_VER1));
break;
case DecDefines.NETPACK_BASETYPE_CONNECT_ERROR:
baseHeadSize = (ushort)Marshal.SizeOf(typeof(_TAG_NETPACK_BASEHEAD_ERROR));
break;
case DecDefines.NETPACK_BASETYPE_CONNECT_HELLO:
baseHeadSize = (ushort)Marshal.SizeOf(typeof(_TAG_NETPACK_BASEHEAD_CONNECT_HELLO));
break;
case DecDefines.NETPACK_BASETYPE_CONNECT_WELCOME:
baseHeadSize = (ushort)Marshal.SizeOf(typeof(_TAG_NETPACK_BASEHEAD_CONNECT_WELCOME));
break;
case DecDefines.NETPACK_BASETYPE_CONNECT_LOGON:
baseHeadSize = (ushort)Marshal.SizeOf(typeof(_TAG_NETPACK_BASEHEAD_CONNECT_LOGON));
break;
case DecDefines.NETPACK_BASETYPE_CONNECT_AUTHEN:
baseHeadSize = (ushort)Marshal.SizeOf(typeof(_TAG_NETPACK_BASEHEAD_CONNECT_AUTHEN));
break;
case DecDefines.NETPACK_BASETYPE_REQ_ADDSUBSCRIBE:
baseHeadSize = (ushort)Marshal.SizeOf(typeof(_TAG_NETPACK_BASEHEAD_REQ_ADD_SUBSCRIBE));
break;
case DecDefines.NETPACK_BASETYPE_RES_ADDSUBSCRIBE:
baseHeadSize = (ushort)Marshal.SizeOf(typeof(_TAG_NETPACK_BASEHEAD_RES_ADD_SUBSCRIBE));
break;
case DecDefines.NETPACK_BASETYPE_REQ_DELSUBSCRIBE:
baseHeadSize = (ushort)Marshal.SizeOf(typeof(_TAG_NETPACK_BASEHEAD_REQ_DEL_SUBSCRIBE));
break;
case DecDefines.NETPACK_BASETYPE_RES_DELSUBSCRIBE:
baseHeadSize = (ushort)Marshal.SizeOf(typeof(_TAG_NETPACK_BASEHEAD_RES_DEL_SUBSCRIBE));
break;
case DecDefines.NETPACK_BASETYPE_REQ_CLEARSUBSCRIBE:
baseHeadSize = (ushort)Marshal.SizeOf(typeof(_TAG_NETPACK_BASEHEAD_REQ_CLEAR_SUBSCRIBE));
break;
case DecDefines.NETPACK_BASETYPE_RES_CLEARSUBSCRIBE:
baseHeadSize = (ushort)Marshal.SizeOf(typeof(_TAG_NETPACK_BASEHEAD_RES_CLEAR_SUBSCRIBE));
break;
}
ushort extHeadSize = 0;
//扩展包头类型
switch (extHeadType)
{
case DecDefines.NETPACK_EXTTYPE_NOTHING:
extHeadSize = 0;
break;
}
int headSize = distHeadSize + baseHeadSize + extHeadSize;
_TAG_NETPACK_ENCRYPT_CONTEXT encryptContext = new _TAG_NETPACK_ENCRYPT_CONTEXT();
encryptContext._encrypt = DecDefines.NETPACK_ENCRYPT_NOTHING;
ushort dataSize = Helpers.GetEncryptStoreSize(encryptContext._encrypt, validSize);
short packSize = (short)(headSize + dataSize);
_TAG_NETPACK_DISTINGUISHHEAD_VER1 ver1head = new _TAG_NETPACK_DISTINGUISHHEAD_VER1();
ver1head._dist = distHead;
ver1head._packtype = packType;
ver1head._followsize = (ushort)(packSize - distHeadSize);
ver1head._source = mEndpointID;
ver1head._target = 0xffffffffffffffff;
ver1head._timestamp = (ulong)DateTime.Now.Ticks;
ver1head._basehead = baseHeadType;
ver1head._basesize = baseHeadSize;
ver1head._exthead = extHeadType;
ver1head._extsize = extHeadSize;
ver1head._datasize = dataSize;
ver1head._state = 0;
ver1head._moduleid = mModuleType;
ver1head._number = mModuleNumber;
ver1head._timestamp = (ulong)DateTime.Now.Ticks;
return(ver1head);
}
