/// <summary>
/// Send the handshake to the debugger. We also send along any packets
/// we already received from the client (usually just a VM_START event,
/// if anything at all).
/// </summary>
private /*synchronized*/ void sendHandshake()
{
ByteBuffer tempBuffer = ByteBuffer.allocate(JdwpPacket.HANDSHAKE_LEN);
JdwpPacket.putHandshake(tempBuffer);
int expectedLength = tempBuffer.position;
tempBuffer.flip();
if (mChannel.write(tempBuffer) != expectedLength)
{
throw new IOException("partial handshake write");
}
expectedLength = mPreDataBuffer.position;
if (expectedLength > 0)
{
Log.d("ddms", "Sending " + mPreDataBuffer.position + " bytes of saved data");
mPreDataBuffer.flip();
if (mChannel.write(mPreDataBuffer) != expectedLength)
{
throw new IOException("partial pre-data write");
}
mPreDataBuffer.clear();
}
}
/// <summary>
/// Initiate the JDWP handshake.
///
/// On failure, closes the socket and returns false.
/// </summary>
internal virtual bool sendHandshake()
{
Debug.Assert(mWriteBuffer.position == 0);
try
{
// assume write buffer can hold 14 bytes
JdwpPacket.putHandshake(mWriteBuffer);
int expectedLen = mWriteBuffer.position;
mWriteBuffer.flip();
if (mChan.write(mWriteBuffer) != expectedLen)
{
throw new IOException("partial handshake write");
}
}
catch (IOException ioe)
{
Log.e("ddms-client", "IO error during handshake: " + ioe.Message);
mConnState = ST_ERROR;
close(true); // notify
return(false);
}
finally
{
mWriteBuffer.clear();
}
mConnState = ST_AWAIT_SHAKE;
return(true);
}