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| public void processPacket(ServerCnxn cnxn, ByteBuffer incomingBuffer) throws IOException { InputStream bais = new ByteBufferInputStream(incomingBuffer); BinaryInputArchive bia = BinaryInputArchive.getArchive(bais); RequestHeader h = new RequestHeader(); h.deserialize(bia, "header");
cnxn.incrOutstandingAndCheckThrottle(h);
incomingBuffer = incomingBuffer.slice(); if (h.getType() == OpCode.auth) { LOG.info("got auth packet {}", cnxn.getRemoteSocketAddress()); AuthPacket authPacket = new AuthPacket(); ByteBufferInputStream.byteBuffer2Record(incomingBuffer, authPacket); String scheme = authPacket.getScheme(); ServerAuthenticationProvider ap = ProviderRegistry.getServerProvider(scheme); Code authReturn = KeeperException.Code.AUTHFAILED; if (ap != null) { try { authReturn = ap.handleAuthentication( new ServerAuthenticationProvider.ServerObjs(this, cnxn), authPacket.getAuth()); } catch (RuntimeException e) { LOG.warn("Caught runtime exception from AuthenticationProvider: {}", scheme, e); authReturn = KeeperException.Code.AUTHFAILED; } } if (authReturn == KeeperException.Code.OK) { LOG.info("Session 0x{}: auth success for scheme {} and address {}", Long.toHexString(cnxn.getSessionId()), scheme, cnxn.getRemoteSocketAddress()); ReplyHeader rh = new ReplyHeader(h.getXid(), 0, KeeperException.Code.OK.intValue()); cnxn.sendResponse(rh, null, null); } else { if (ap == null) { LOG.warn( "No authentication provider for scheme: {} has {}", scheme, ProviderRegistry.listProviders()); } else { LOG.warn("Authentication failed for scheme: {}", scheme); } ReplyHeader rh = new ReplyHeader(h.getXid(), 0, KeeperException.Code.AUTHFAILED.intValue()); cnxn.sendResponse(rh, null, null); cnxn.sendBuffer(ServerCnxnFactory.closeConn); cnxn.disableRecv(); } return; } else if (h.getType() == OpCode.sasl) { processSasl(incomingBuffer, cnxn, h); } else { if (!authHelper.enforceAuthentication(cnxn, h.getXid())) { return; } else {
Request si = new Request(cnxn, cnxn.getSessionId(), h.getXid(), h.getType(), incomingBuffer, cnxn.getAuthInfo()); int length = incomingBuffer.limit(); if (isLargeRequest(length)) { checkRequestSizeWhenMessageReceived(length); si.setLargeRequestSize(length); } si.setOwner(ServerCnxn.me); submitRequest(si); } } }
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