static byte[] extractByteArray(ByteBuffer buf) {
int len = buf.getInt();
if (len > 0) {
byte[] a = new byte[len];
buf.get(a, 0, len);
return a;
} else return new byte[0];
}
private void recv(SocketChannel sc, ClientInfo ci) throws IOException {
ci.channel.read(ci.inBuf);
ByteBuffer tmpBuf = ci.inBuf.duplicate();
tmpBuf.flip();
int bytesProcessed = 0;
boolean doneLoop = false;
while (!doneLoop) {
byte b;
try {
b = tmpBuf.get();
} catch (BufferUnderflowException bue) {
// Processed all data in buffer
ci.inBuf.clear();
doneLoop = true;
break;
}
switch (b) {
case TypeServerConstants.WELCOME:
bytesProcessed++;
break;
case TypeServerConstants.GET_STRING_REQUEST:
bytesProcessed++;
if (ci.outputPending) {
// Client is backed up. We can't append to
// the byte buffer because it's in the wrong
// state. We could allocate another buffer
// here and change our send method to know
// about multiple buffers, but we'll just
// assume that the client is dead
break;
}
ci.outBuf.put(TypeServerConstants.GET_STRING_RESPONSE);
ByteBuffer strBuf = encoder.encode(testString);
ci.outBuf.putShort((short) strBuf.remaining());
ci.outBuf.put(strBuf);
ci.outBuf.flip();
send(sc, ci);
break;
case TypeServerConstants.GET_STRING_RESPONSE:
int startPos = tmpBuf.position();
try {
int nBytes = tmpBuf.getInt();
byte[] buf = new byte[nBytes];
tmpBuf.get(buf);
bytesProcessed += buf.length + 5;
String s = new String(buf);
// Send the string to the GUI
break;
} catch (BufferUnderflowException bue) {
// Processed all available data
ci.inBuf.position(ci.inBuf.position() + bytesProcessed);
doneLoop = true;
}
break;
}
}
}
static byte[] extractByteString(ByteBuffer buf) {
int len = buf.getInt();
byte[] str = null;
if (len > 0) {
str = new byte[len];
buf.get(str, 0, len);
buf.get(); // trailing null
} else str = new byte[0];
return str;
}
static String extractString(ByteBuffer buf) throws java.io.UnsupportedEncodingException {
int len = buf.getInt();
byte[] str = null;
if (len > 0) {
str = new byte[len - 1];
;
buf.get(str, 0, len - 1);
buf.get(); // trailing null
} else str = new byte[0];
return new String(str, "UTF-8");
}
private synchronized DBMessage go(DBMessage msg, ByteDecoder decoder) throws IOException {
if (_sock == null) _open();
{
ByteBuffer out = msg.prepare();
while (out.remaining() > 0) _sock.write(out);
}
if (_pool != null) _pool._everWorked = true;
if (decoder == null) return null;
ByteBuffer response = decoder._buf;
if (response.position() != 0) throw new IllegalArgumentException();
int read = 0;
while (read < DBMessage.HEADER_LENGTH) read += _read(response);
int len = response.getInt(0);
if (len <= DBMessage.HEADER_LENGTH)
throw new IllegalArgumentException("db sent invalid length: " + len);
if (len > response.capacity())
throw new IllegalArgumentException(
"db message size is too big (" + len + ") " + "max is (" + response.capacity() + ")");
response.limit(len);
while (read < len) read += _read(response);
if (read != len) throw new RuntimeException("something is wrong");
response.flip();
return new DBMessage(response);
}
/**
* Returns the offset from the file start where the latest block should be written (end of prev
* block).
*/
private int getRingCursor(ByteBuffer buffer) {
int c = buffer.getInt(4);
checkState(c >= FILE_PROLOGUE_BYTES, "Integer overflow");
return c;
}
void read(ByteBuffer buf) throws IOException {
int magic = buf.getInt();
if (magic != MAGIC) {
throw new IOException(
"Incorrect magic number 0x" + Integer.toHexString(magic) + " (expected " + MAGIC + ")");
}
size = buf.getInt();
flags = buf.getInt();
height = buf.getInt();
width = buf.getInt();
pitchOrLinearSize = buf.getInt();
backBufferCountOrDepth = buf.getInt();
mipMapCountOrAux = buf.getInt();
alphaBitDepth = buf.getInt();
reserved1 = buf.getInt();
surface = buf.getInt();
colorSpaceLowValue = buf.getInt();
colorSpaceHighValue = buf.getInt();
destBltColorSpaceLowValue = buf.getInt();
destBltColorSpaceHighValue = buf.getInt();
srcOverlayColorSpaceLowValue = buf.getInt();
srcOverlayColorSpaceHighValue = buf.getInt();
srcBltColorSpaceLowValue = buf.getInt();
srcBltColorSpaceHighValue = buf.getInt();
pfSize = buf.getInt();
pfFlags = buf.getInt();
pfFourCC = buf.getInt();
pfRGBBitCount = buf.getInt();
pfRBitMask = buf.getInt();
pfGBitMask = buf.getInt();
pfBBitMask = buf.getInt();
pfABitMask = buf.getInt();
ddsCaps1 = buf.getInt();
ddsCaps2 = buf.getInt();
ddsCapsReserved1 = buf.getInt();
ddsCapsReserved2 = buf.getInt();
textureStage = buf.getInt();
}
