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package com.sun.grizzly.websockets;
import com.sun.grizzly.tcp.OutputBuffer;
import com.sun.grizzly.tcp.Response;
import com.sun.grizzly.tcp.http11.Constants;
import com.sun.grizzly.util.Utils;
import com.sun.grizzly.util.buf.ByteChunk;
import java.io.IOException;
public class ServerHandShake extends HandShake {
private final byte[] serverSecKey;
public ServerHandShake(final boolean secure, final String origin, final String serverHostName, final String port,
final String resourcePath, final String subProtocol, final SecKey key1, final SecKey key2,
final byte[] key3) throws HandshakeException {
super(secure, origin, serverHostName, port, resourcePath);
setSubProtocol(subProtocol);
serverSecKey = key3 == null ? null : SecKey.generateServerKey(key1, key2, key3);
}
public byte[] getKey() {
return serverSecKey;
}
public void respond(Response response) throws IOException {
response.setStatus(101);
response.setMessage("Web Socket Protocol Handshake");
response.setHeader("Upgrade", "WebSocket");
response.setHeader("Connection", "Upgrade");
if (serverSecKey == null) {
response.setHeader("WebSocket-Origin", getOrigin());
response.setHeader("WebSocket-Location", getLocation());
if (getSubProtocol() != null) {
response.setHeader("WebSocket-Protocol", getSubProtocol());
}
} else {
response.setHeader(WebSocketEngine.SERVER_SEC_WS_ORIGIN_HEADER, getOrigin());
response.setHeader(WebSocketEngine.SERVER_SEC_WS_LOCATION_HEADER, getLocation());
if (getSubProtocol() != null) {
response.setHeader(WebSocketEngine.SEC_WS_PROTOCOL_HEADER, getSubProtocol());
}
}
response.sendHeaders();
if (serverSecKey != null) {
final OutputBuffer buffer = response.getOutputBuffer();
ByteChunk chunk = new ByteChunk(serverSecKey.length + Constants.CRLF_BYTES.length);
chunk.append(serverSecKey, 0, serverSecKey.length);
buffer.doWrite(chunk, response);
}
response.flush();
}
}