private bool validate(int operation)
{
if(!_endpoint.datagram()) // Datagram connections are always implicitly validated.
{
if(_adapter != null) // The server side has the active role for connection validation.
{
if(_writeStream.size() == 0)
{
_writeStream.writeBlob(IceInternal.Protocol.magic);
Ice.Util.currentProtocol.write__(_writeStream);
Ice.Util.currentProtocolEncoding.write__(_writeStream);
_writeStream.writeByte(IceInternal.Protocol.validateConnectionMsg);
_writeStream.writeByte((byte)0); // Compression status (always zero for validate connection).
_writeStream.writeInt(IceInternal.Protocol.headerSize); // Message size.
IceInternal.TraceUtil.traceSend(_writeStream, _logger, _traceLevels);
_writeStream.prepareWrite();
}
if(_observer != null)
{
observerStartWrite(_writeStream.pos());
}
if(_writeStream.pos() != _writeStream.size() && !_transceiver.write(_writeStream.getBuffer()))
{
scheduleTimeout(IceInternal.SocketOperation.Write, connectTimeout());
_threadPool.update(this, operation, IceInternal.SocketOperation.Write);
return false;
}
if(_observer != null)
{
observerFinishWrite(_writeStream.pos());
}
}
else // The client side has the passive role for connection validation.
{
if(_readStream.size() == 0)
{
_readStream.resize(IceInternal.Protocol.headerSize, true);
_readStream.pos(0);
}
if(_observer != null)
{
observerStartRead(_readStream.pos());
}
if(_readStream.pos() != _readStream.size() && !_transceiver.read(_readStream.getBuffer()))
{
scheduleTimeout(IceInternal.SocketOperation.Read, connectTimeout());
_threadPool.update(this, operation, IceInternal.SocketOperation.Read);
return false;
}
if(_observer != null)
{
observerFinishRead(_readStream.pos());
}
Debug.Assert(_readStream.pos() == IceInternal.Protocol.headerSize);
_readStream.pos(0);
byte[] m = _readStream.readBlob(4);
if(m[0] != IceInternal.Protocol.magic[0] || m[1] != IceInternal.Protocol.magic[1] ||
m[2] != IceInternal.Protocol.magic[2] || m[3] != IceInternal.Protocol.magic[3])
{
BadMagicException ex = new BadMagicException();
ex.badMagic = m;
throw ex;
}
ProtocolVersion pv = new ProtocolVersion();
pv.read__(_readStream);
IceInternal.Protocol.checkSupportedProtocol(pv);
EncodingVersion ev = new EncodingVersion();
ev.read__(_readStream);
IceInternal.Protocol.checkSupportedProtocolEncoding(ev);
byte messageType = _readStream.readByte();
if(messageType != IceInternal.Protocol.validateConnectionMsg)
{
throw new ConnectionNotValidatedException();
}
_readStream.readByte(); // Ignore compression status for validate connection.
int size = _readStream.readInt();
if(size != IceInternal.Protocol.headerSize)
{
throw new IllegalMessageSizeException();
}
IceInternal.TraceUtil.traceRecv(_readStream, _logger, _traceLevels);
_validated = true;
}
}
_writeStream.resize(0, false);
_writeStream.pos(0);
_readStream.resize(IceInternal.Protocol.headerSize, true);
_readStream.pos(0);
_readHeader = true;
return true;
}
private bool validate(int operation)
{
if(!_endpoint.datagram()) // Datagram connections are always implicitly validated.
{
if(_adapter != null) // The server side has the active role for connection validation.
{
if(_writeStream.size() == 0)
{
_writeStream.writeBlob(IceInternal.Protocol.magic);
Ice.Util.currentProtocol.write__(_writeStream);
Ice.Util.currentProtocolEncoding.write__(_writeStream);
_writeStream.writeByte(IceInternal.Protocol.validateConnectionMsg);
_writeStream.writeByte((byte)0); // Compression status (always zero for validate connection).
_writeStream.writeInt(IceInternal.Protocol.headerSize); // Message size.
IceInternal.TraceUtil.traceSend(_writeStream, _logger, _traceLevels);
_writeStream.prepareWrite();
}
if(_observer != null)
{
observerStartWrite(_writeStream.getBuffer());
}
if(_writeStream.pos() != _writeStream.size())
{
int op = write(_writeStream.getBuffer());
if(op != 0)
{
scheduleTimeout(op);
_threadPool.update(this, operation, op);
return false;
}
}
if(_observer != null)
{
observerFinishWrite(_writeStream.getBuffer());
}
}
else // The client side has the passive role for connection validation.
{
if(_readStream.size() == 0)
{
_readStream.resize(IceInternal.Protocol.headerSize, true);
_readStream.pos(0);
}
if(_observer != null)
{
observerStartRead(_readStream.getBuffer());
}
if(_readStream.pos() != _readStream.size())
{
int op = read(_readStream.getBuffer());
if(op != 0)
{
scheduleTimeout(op);
_threadPool.update(this, operation, op);
return false;
}
}
if(_observer != null)
{
observerFinishRead(_readStream.getBuffer());
}
Debug.Assert(_readStream.pos() == IceInternal.Protocol.headerSize);
_readStream.pos(0);
byte[] m = _readStream.readBlob(4);
if(m[0] != IceInternal.Protocol.magic[0] || m[1] != IceInternal.Protocol.magic[1] ||
m[2] != IceInternal.Protocol.magic[2] || m[3] != IceInternal.Protocol.magic[3])
{
BadMagicException ex = new BadMagicException();
ex.badMagic = m;
throw ex;
}
ProtocolVersion pv = new ProtocolVersion();
pv.read__(_readStream);
IceInternal.Protocol.checkSupportedProtocol(pv);
EncodingVersion ev = new EncodingVersion();
ev.read__(_readStream);
IceInternal.Protocol.checkSupportedProtocolEncoding(ev);
byte messageType = _readStream.readByte();
if(messageType != IceInternal.Protocol.validateConnectionMsg)
{
throw new ConnectionNotValidatedException();
}
_readStream.readByte(); // Ignore compression status for validate connection.
int size = _readStream.readInt();
if(size != IceInternal.Protocol.headerSize)
{
throw new IllegalMessageSizeException();
}
IceInternal.TraceUtil.traceRecv(_readStream, _logger, _traceLevels);
_validated = true;
}
}
_writeStream.resize(0, false);
_writeStream.pos(0);
_readStream.resize(IceInternal.Protocol.headerSize, true);
_readStream.pos(0);
_readHeader = true;
if(_instance.traceLevels().network >= 1)
{
StringBuilder s = new StringBuilder();
if(_endpoint.datagram())
{
s.Append("starting to ");
s.Append(_connector != null ? "send" : "receive");
s.Append(" ");
s.Append(_endpoint.protocol());
s.Append(" messages\n");
s.Append(_transceiver.toDetailedString());
}
else
{
s.Append(_connector != null ? "established" : "accepted");
s.Append(" ");
s.Append(_endpoint.protocol());
s.Append(" connection\n");
s.Append(ToString());
}
_instance.initializationData().logger.trace(_instance.traceLevels().networkCat, s.ToString());
}
return true;
}
private bool validate(int operation)
{
if(!_endpoint.datagram()) // Datagram connections are always implicitly validated.
{
if(_adapter != null) // The server side has the active role for connection validation.
{
if(_writeStream.size() == 0)
{
_writeStream.writeBlob(IceInternal.Protocol.magic);
_writeStream.writeByte(IceInternal.Protocol.protocolMajor);
_writeStream.writeByte(IceInternal.Protocol.protocolMinor);
_writeStream.writeByte(IceInternal.Protocol.encodingMajor);
_writeStream.writeByte(IceInternal.Protocol.encodingMinor);
_writeStream.writeByte(IceInternal.Protocol.validateConnectionMsg);
_writeStream.writeByte((byte)0); // Compression status (always zero for validate connection).
_writeStream.writeInt(IceInternal.Protocol.headerSize); // Message size.
IceInternal.TraceUtil.traceSend(_writeStream, _logger, _traceLevels);
_writeStream.prepareWrite();
}
if(_writeStream.pos() != _writeStream.size() && !_transceiver.write(_writeStream.getBuffer()))
{
scheduleTimeout(IceInternal.SocketOperation.Write, connectTimeout());
_threadPool.update(this, operation, IceInternal.SocketOperation.Write);
return false;
}
}
else // The client side has the passive role for connection validation.
{
if(_readStream.size() == 0)
{
_readStream.resize(IceInternal.Protocol.headerSize, true);
_readStream.pos(0);
}
if(_readStream.pos() != _readStream.size() && !_transceiver.read(_readStream.getBuffer()))
{
scheduleTimeout(IceInternal.SocketOperation.Read, connectTimeout());
_threadPool.update(this, operation, IceInternal.SocketOperation.Read);
return false;
}
Debug.Assert(_readStream.pos() == IceInternal.Protocol.headerSize);
_readStream.pos(0);
byte[] m = _readStream.readBlob(4);
if(m[0] != IceInternal.Protocol.magic[0] || m[1] != IceInternal.Protocol.magic[1] ||
m[2] != IceInternal.Protocol.magic[2] || m[3] != IceInternal.Protocol.magic[3])
{
BadMagicException ex = new BadMagicException();
ex.badMagic = m;
throw ex;
}
byte pMajor = _readStream.readByte();
byte pMinor = _readStream.readByte();
if(pMajor != IceInternal.Protocol.protocolMajor)
{
UnsupportedProtocolException e = new UnsupportedProtocolException();
e.badMajor = pMajor < 0 ? pMajor + 255 : pMajor;
e.badMinor = pMinor < 0 ? pMinor + 255 : pMinor;
e.major = IceInternal.Protocol.protocolMajor;
e.minor = IceInternal.Protocol.protocolMinor;
throw e;
}
byte eMajor = _readStream.readByte();
byte eMinor = _readStream.readByte();
if(eMajor != IceInternal.Protocol.encodingMajor)
{
UnsupportedEncodingException e = new UnsupportedEncodingException();
e.badMajor = eMajor < 0 ? eMajor + 255 : eMajor;
e.badMinor = eMinor < 0 ? eMinor + 255 : eMinor;
e.major = IceInternal.Protocol.encodingMajor;
e.minor = IceInternal.Protocol.encodingMinor;
throw e;
}
byte messageType = _readStream.readByte();
if(messageType != IceInternal.Protocol.validateConnectionMsg)
{
throw new ConnectionNotValidatedException();
}
_readStream.readByte(); // Ignore compression status for validate connection.
int size = _readStream.readInt();
if(size != IceInternal.Protocol.headerSize)
{
throw new IllegalMessageSizeException();
}
IceInternal.TraceUtil.traceRecv(_readStream, _logger, _traceLevels);
}
}
_writeStream.resize(0, false);
_writeStream.pos(0);
_readStream.resize(IceInternal.Protocol.headerSize, true);
_readStream.pos(0);
_readHeader = true;
return true;
}