private void readRequest() throws IOException {
// We have the request, now process and setup for next
InputStream bais = new ByteBufferInputStream(incomingBuffer);
BinaryInputArchive bia = BinaryInputArchive.getArchive(bais);
RequestHeader h = new RequestHeader();
h.deserialize(bia, "header");
// Through the magic of byte buffers, txn will not be
// pointing
// to the start of the txn
incomingBuffer = incomingBuffer.slice();
if (h.getType() == OpCode.auth) {
AuthPacket authPacket = new AuthPacket();
ZooKeeperServer.byteBuffer2Record(incomingBuffer, authPacket);
String scheme = authPacket.getScheme();
AuthenticationProvider ap = ProviderRegistry.getProvider(scheme);
if (ap == null
|| ap.handleAuthentication(this, authPacket.getAuth()) != KeeperException.Code.Ok) {
if (ap == null)
LOG.error("No authentication provider for scheme: "
+ scheme + " has " + ProviderRegistry.listProviders());
else
LOG.debug("Authentication failed for scheme: "
+ scheme);
// send a response...
ReplyHeader rh = new ReplyHeader(h.getXid(), 0,
KeeperException.Code.AuthFailed);
sendResponse(rh, null, null);
// ... and close connection
sendBuffer(NIOServerCnxn.closeConn);
disableRecv();
} else {
LOG.debug("Authentication succeeded for scheme: "
+ scheme);
ReplyHeader rh = new ReplyHeader(h.getXid(), 0,
KeeperException.Code.Ok);
sendResponse(rh, null, null);
}
return;
} else {
zk.submitRequest(this, sessionId, h.getType(), h.getXid(),
incomingBuffer, authInfo);
}
if (h.getXid() >= 0) {
synchronized (this) {
outstandingRequests++;
// check throttling
if (zk.getInProcess() > factory.outstandingLimit) {
LOG.warn("Throttling recv " + zk.getInProcess());