public override void ReadBlock()
{
while (true)
{ // Read Each Tag-Field
if (_CodedInputStream.IsAtEnd)
{
return;
}
if (_Type == 0)
{ // Determine the start of a message.
while (_Tag == 0)
{
try
{
if (_CodedInputStream.IsAtEnd)
{
return;
}
_Tag = _CodedInputStream.ReadTag();
}
catch (Google.Protobuf.InvalidProtocolBufferException e)
{
PlatDependant.LogError(e);
}
catch (InvalidOperationException e)
{
// this means the stream is closed. so we ignore the exception.
//PlatDependant.LogError(e);
return;
}
catch (Exception e)
{
PlatDependant.LogError(e);
return;
}
}
}
else
{ // The Next tag must follow
try
{
_Tag = _CodedInputStream.ReadTag();
if (_Tag == 0)
{
ResetReadBlockContext();
continue;
}
}
catch (Exception e)
{
PlatDependant.LogError(e);
ResetReadBlockContext();
continue;
}
}
try
{ // Tag got.
int seq = Google.Protobuf.WireFormat.GetTagFieldNumber(_Tag);
var ttype = Google.Protobuf.WireFormat.GetTagWireType(_Tag);
if (seq == 1 && ttype == Google.Protobuf.WireFormat.WireType.Varint)
{
ResetReadBlockContext();
_Type = _CodedInputStream.ReadUInt32();
}
else if (_Type != 0)
{
if (seq == 2 && ttype == Google.Protobuf.WireFormat.WireType.Varint)
{
_Flags = _CodedInputStream.ReadUInt32();
}
else if (seq == 3 && ttype == Google.Protobuf.WireFormat.WireType.Varint)
{
_Seq = _CodedInputStream.ReadUInt32();
}
else if (seq == 4 && ttype == Google.Protobuf.WireFormat.WireType.Varint)
{
_SSeq = _CodedInputStream.ReadUInt32();
}
else if (seq == 5 && ttype == Google.Protobuf.WireFormat.WireType.LengthDelimited)
{
_Size = _CodedInputStream.ReadLength();
if (_Size >= 0)
{
if (_Size > CONST.MAX_MESSAGE_LENGTH)
{
PlatDependant.LogError("We got a too long message. We will drop this message and treat it as an error message.");
_CodedInputStream.SkipRawBytes(_Size);
FireReceiveBlock(null, 0, _Type, _Flags, _Seq, _SSeq);
}
else
{
_ReadBuffer.Clear();
_CodedInputStream.ReadRawBytes(_ReadBuffer, _Size);
FireReceiveBlock(_ReadBuffer, _Size, _Type, _Flags, _Seq, _SSeq);
}
}
else
{
FireReceiveBlock(null, 0, _Type, _Flags, _Seq, _SSeq);
}
ResetReadBlockContext();
return;
}
}
// else means the first field(type) has not been read yet.
_Tag = 0;
}
catch (InvalidOperationException e)
{
// this means the stream is closed. so we ignore the exception.
//PlatDependant.LogError(e);
return;
}
catch (Exception e)
{
PlatDependant.LogError(e);
ResetReadBlockContext();
}
}
}
