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Example 11 with GetDataRequest

use of org.apache.zookeeper.proto.GetDataRequest in project zookeeper by apache.

the class CommitProcessorConcurrencyTest method processAllFollowingUncommittedAfterFirstCommitTest.

/**
 * In the following test, we add a write request followed by several read
 * requests of the same session, and we verify several things - 1. The write
 * is not processed until commit arrives. 2. Once the write is processed,
 * all the read requests are processed as well. 3. All read requests are
 * executed after the write, before any other write, along with new reads.
 */
@Test
public void processAllFollowingUncommittedAfterFirstCommitTest() throws Exception {
    final String path = "/testUncommittedFollowingCommited";
    Set<Request> shouldBeInPending = new HashSet<Request>();
    Set<Request> shouldBeProcessedAfterPending = new HashSet<Request>();
    Request writeReq = newRequest(new CreateRequest(path, new byte[0], Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT_SEQUENTIAL.toFlag()), OpCode.create, 0x1, 1);
    processor.queuedRequests.add(writeReq);
    processor.queuedWriteRequests.add(writeReq);
    shouldBeInPending.add(writeReq);
    for (int readReqId = 2; readReqId <= 5; ++readReqId) {
        Request readReq = newRequest(new GetDataRequest(path, false), OpCode.getData, 0x1, readReqId);
        processor.queuedRequests.add(readReq);
        shouldBeInPending.add(readReq);
        shouldBeProcessedAfterPending.add(readReq);
    }
    processor.initThreads(defaultSizeOfThreadPool);
    processor.stoppedMainLoop = true;
    processor.run();
    assertTrue(processedRequests.isEmpty(), "Processed without waiting for commit");
    assertTrue(processor.queuedRequests.isEmpty(), "Did not handled all of queuedRequests' requests");
    assertTrue(!processor.queuedWriteRequests.isEmpty(), "Removed from blockedQueuedRequests before commit");
    shouldBeInPending.removeAll(processor.pendingRequests.get(writeReq.sessionId));
    for (Request r : shouldBeInPending) {
        LOG.error("Should be in pending {}", r);
    }
    assertTrue(shouldBeInPending.isEmpty(), "Not all requests moved to pending from queuedRequests");
    processor.committedRequests.add(writeReq);
    processor.stoppedMainLoop = true;
    processor.run();
    processor.initThreads(defaultSizeOfThreadPool);
    Thread.sleep(500);
    assertTrue(processedRequests.peek() == writeReq, "Did not process committed request");
    assertTrue(processedRequests.containsAll(shouldBeProcessedAfterPending), "Did not process following read request");
    assertTrue(processor.committedRequests.isEmpty(), "Did not process committed request");
    assertTrue(processor.pendingRequests.isEmpty(), "Did not process committed request");
    assertTrue(processor.queuedWriteRequests.isEmpty(), "Did not remove from blockedQueuedRequests");
}
Also used : CreateRequest(org.apache.zookeeper.proto.CreateRequest) GetDataRequest(org.apache.zookeeper.proto.GetDataRequest) CreateRequest(org.apache.zookeeper.proto.CreateRequest) SetDataRequest(org.apache.zookeeper.proto.SetDataRequest) Request(org.apache.zookeeper.server.Request) GetDataRequest(org.apache.zookeeper.proto.GetDataRequest) HashSet(java.util.HashSet) Test(org.junit.jupiter.api.Test)

Example 12 with GetDataRequest

use of org.apache.zookeeper.proto.GetDataRequest in project zookeeper by apache.

the class ZooKeeper method getConfig.

/**
 * The asynchronous version of getConfig.
 *
 * @see #getConfig(Watcher, Stat)
 */
public void getConfig(Watcher watcher, DataCallback cb, Object ctx) {
    final String configZnode = ZooDefs.CONFIG_NODE;
    // the watch contains the un-chroot path
    WatchRegistration wcb = null;
    if (watcher != null) {
        wcb = new DataWatchRegistration(watcher, configZnode);
    }
    RequestHeader h = new RequestHeader();
    h.setType(ZooDefs.OpCode.getData);
    GetDataRequest request = new GetDataRequest();
    request.setPath(configZnode);
    request.setWatch(watcher != null);
    GetDataResponse response = new GetDataResponse();
    cnxn.queuePacket(h, new ReplyHeader(), request, response, cb, configZnode, configZnode, ctx, wcb);
}
Also used : ReplyHeader(org.apache.zookeeper.proto.ReplyHeader) RequestHeader(org.apache.zookeeper.proto.RequestHeader) GetDataResponse(org.apache.zookeeper.proto.GetDataResponse) GetDataRequest(org.apache.zookeeper.proto.GetDataRequest)

Example 13 with GetDataRequest

use of org.apache.zookeeper.proto.GetDataRequest in project zookeeper by apache.

the class FinalRequestProcessor method handleGetDataRequest.

private Record handleGetDataRequest(Record request, ServerCnxn cnxn, List<Id> authInfo) throws KeeperException, IOException {
    GetDataRequest getDataRequest = (GetDataRequest) request;
    String path = getDataRequest.getPath();
    DataNode n = zks.getZKDatabase().getNode(path);
    if (n == null) {
        throw new KeeperException.NoNodeException();
    }
    zks.checkACL(cnxn, zks.getZKDatabase().aclForNode(n), ZooDefs.Perms.READ, authInfo, path, null);
    Stat stat = new Stat();
    byte[] b = zks.getZKDatabase().getData(path, stat, getDataRequest.getWatch() ? cnxn : null);
    return new GetDataResponse(b, stat);
}
Also used : Stat(org.apache.zookeeper.data.Stat) GetDataResponse(org.apache.zookeeper.proto.GetDataResponse) GetDataRequest(org.apache.zookeeper.proto.GetDataRequest)

Example 14 with GetDataRequest

use of org.apache.zookeeper.proto.GetDataRequest in project zookeeper by apache.

the class FinalRequestProcessor method processRequest.

public void processRequest(Request request) {
    LOG.debug("Processing request:: {}", request);
    if (LOG.isTraceEnabled()) {
        long traceMask = ZooTrace.CLIENT_REQUEST_TRACE_MASK;
        if (request.type == OpCode.ping) {
            traceMask = ZooTrace.SERVER_PING_TRACE_MASK;
        }
        ZooTrace.logRequest(LOG, traceMask, 'E', request, "");
    }
    ProcessTxnResult rc = null;
    if (!request.isThrottled()) {
        rc = applyRequest(request);
    }
    if (request.cnxn == null) {
        return;
    }
    ServerCnxn cnxn = request.cnxn;
    long lastZxid = zks.getZKDatabase().getDataTreeLastProcessedZxid();
    String lastOp = "NA";
    // Notify ZooKeeperServer that the request has finished so that it can
    // update any request accounting/throttling limits
    zks.decInProcess();
    zks.requestFinished(request);
    Code err = Code.OK;
    Record rsp = null;
    String path = null;
    int responseSize = 0;
    try {
        if (request.getHdr() != null && request.getHdr().getType() == OpCode.error) {
            AuditHelper.addAuditLog(request, rc, true);
            /*
                 * When local session upgrading is disabled, leader will
                 * reject the ephemeral node creation due to session expire.
                 * However, if this is the follower that issue the request,
                 * it will have the correct error code, so we should use that
                 * and report to user
                 */
            if (request.getException() != null) {
                throw request.getException();
            } else {
                throw KeeperException.create(KeeperException.Code.get(((ErrorTxn) request.getTxn()).getErr()));
            }
        }
        KeeperException ke = request.getException();
        if (ke instanceof SessionMovedException) {
            throw ke;
        }
        if (ke != null && request.type != OpCode.multi) {
            throw ke;
        }
        LOG.debug("{}", request);
        if (request.isStale()) {
            ServerMetrics.getMetrics().STALE_REPLIES.add(1);
        }
        if (request.isThrottled()) {
            throw KeeperException.create(Code.THROTTLEDOP);
        }
        AuditHelper.addAuditLog(request, rc);
        switch(request.type) {
            case OpCode.ping:
                {
                    lastOp = "PING";
                    updateStats(request, lastOp, lastZxid);
                    responseSize = cnxn.sendResponse(new ReplyHeader(ClientCnxn.PING_XID, lastZxid, 0), null, "response");
                    return;
                }
            case OpCode.createSession:
                {
                    lastOp = "SESS";
                    updateStats(request, lastOp, lastZxid);
                    zks.finishSessionInit(request.cnxn, true);
                    return;
                }
            case OpCode.multi:
                {
                    lastOp = "MULT";
                    rsp = new MultiResponse();
                    for (ProcessTxnResult subTxnResult : rc.multiResult) {
                        OpResult subResult;
                        switch(subTxnResult.type) {
                            case OpCode.check:
                                subResult = new CheckResult();
                                break;
                            case OpCode.create:
                                subResult = new CreateResult(subTxnResult.path);
                                break;
                            case OpCode.create2:
                            case OpCode.createTTL:
                            case OpCode.createContainer:
                                subResult = new CreateResult(subTxnResult.path, subTxnResult.stat);
                                break;
                            case OpCode.delete:
                            case OpCode.deleteContainer:
                                subResult = new DeleteResult();
                                break;
                            case OpCode.setData:
                                subResult = new SetDataResult(subTxnResult.stat);
                                break;
                            case OpCode.error:
                                subResult = new ErrorResult(subTxnResult.err);
                                if (subTxnResult.err == Code.SESSIONMOVED.intValue()) {
                                    throw new SessionMovedException();
                                }
                                break;
                            default:
                                throw new IOException("Invalid type of op");
                        }
                        ((MultiResponse) rsp).add(subResult);
                    }
                    break;
                }
            case OpCode.multiRead:
                {
                    lastOp = "MLTR";
                    MultiOperationRecord multiReadRecord = new MultiOperationRecord();
                    ByteBufferInputStream.byteBuffer2Record(request.request, multiReadRecord);
                    rsp = new MultiResponse();
                    OpResult subResult;
                    for (Op readOp : multiReadRecord) {
                        try {
                            Record rec;
                            switch(readOp.getType()) {
                                case OpCode.getChildren:
                                    rec = handleGetChildrenRequest(readOp.toRequestRecord(), cnxn, request.authInfo);
                                    subResult = new GetChildrenResult(((GetChildrenResponse) rec).getChildren());
                                    break;
                                case OpCode.getData:
                                    rec = handleGetDataRequest(readOp.toRequestRecord(), cnxn, request.authInfo);
                                    GetDataResponse gdr = (GetDataResponse) rec;
                                    subResult = new GetDataResult(gdr.getData(), gdr.getStat());
                                    break;
                                default:
                                    throw new IOException("Invalid type of readOp");
                            }
                        } catch (KeeperException e) {
                            subResult = new ErrorResult(e.code().intValue());
                        }
                        ((MultiResponse) rsp).add(subResult);
                    }
                    break;
                }
            case OpCode.create:
                {
                    lastOp = "CREA";
                    rsp = new CreateResponse(rc.path);
                    err = Code.get(rc.err);
                    requestPathMetricsCollector.registerRequest(request.type, rc.path);
                    break;
                }
            case OpCode.create2:
            case OpCode.createTTL:
            case OpCode.createContainer:
                {
                    lastOp = "CREA";
                    rsp = new Create2Response(rc.path, rc.stat);
                    err = Code.get(rc.err);
                    requestPathMetricsCollector.registerRequest(request.type, rc.path);
                    break;
                }
            case OpCode.delete:
            case OpCode.deleteContainer:
                {
                    lastOp = "DELE";
                    err = Code.get(rc.err);
                    requestPathMetricsCollector.registerRequest(request.type, rc.path);
                    break;
                }
            case OpCode.setData:
                {
                    lastOp = "SETD";
                    rsp = new SetDataResponse(rc.stat);
                    err = Code.get(rc.err);
                    requestPathMetricsCollector.registerRequest(request.type, rc.path);
                    break;
                }
            case OpCode.reconfig:
                {
                    lastOp = "RECO";
                    rsp = new GetDataResponse(((QuorumZooKeeperServer) zks).self.getQuorumVerifier().toString().getBytes(UTF_8), rc.stat);
                    err = Code.get(rc.err);
                    break;
                }
            case OpCode.setACL:
                {
                    lastOp = "SETA";
                    rsp = new SetACLResponse(rc.stat);
                    err = Code.get(rc.err);
                    requestPathMetricsCollector.registerRequest(request.type, rc.path);
                    break;
                }
            case OpCode.closeSession:
                {
                    lastOp = "CLOS";
                    err = Code.get(rc.err);
                    break;
                }
            case OpCode.sync:
                {
                    lastOp = "SYNC";
                    SyncRequest syncRequest = new SyncRequest();
                    ByteBufferInputStream.byteBuffer2Record(request.request, syncRequest);
                    rsp = new SyncResponse(syncRequest.getPath());
                    requestPathMetricsCollector.registerRequest(request.type, syncRequest.getPath());
                    break;
                }
            case OpCode.check:
                {
                    lastOp = "CHEC";
                    rsp = new SetDataResponse(rc.stat);
                    err = Code.get(rc.err);
                    break;
                }
            case OpCode.exists:
                {
                    lastOp = "EXIS";
                    // TODO we need to figure out the security requirement for this!
                    ExistsRequest existsRequest = new ExistsRequest();
                    ByteBufferInputStream.byteBuffer2Record(request.request, existsRequest);
                    path = existsRequest.getPath();
                    if (path.indexOf('\0') != -1) {
                        throw new KeeperException.BadArgumentsException();
                    }
                    Stat stat = zks.getZKDatabase().statNode(path, existsRequest.getWatch() ? cnxn : null);
                    rsp = new ExistsResponse(stat);
                    requestPathMetricsCollector.registerRequest(request.type, path);
                    break;
                }
            case OpCode.getData:
                {
                    lastOp = "GETD";
                    GetDataRequest getDataRequest = new GetDataRequest();
                    ByteBufferInputStream.byteBuffer2Record(request.request, getDataRequest);
                    path = getDataRequest.getPath();
                    rsp = handleGetDataRequest(getDataRequest, cnxn, request.authInfo);
                    requestPathMetricsCollector.registerRequest(request.type, path);
                    break;
                }
            case OpCode.setWatches:
                {
                    lastOp = "SETW";
                    SetWatches setWatches = new SetWatches();
                    // TODO we really should not need this
                    request.request.rewind();
                    ByteBufferInputStream.byteBuffer2Record(request.request, setWatches);
                    long relativeZxid = setWatches.getRelativeZxid();
                    zks.getZKDatabase().setWatches(relativeZxid, setWatches.getDataWatches(), setWatches.getExistWatches(), setWatches.getChildWatches(), Collections.emptyList(), Collections.emptyList(), cnxn);
                    break;
                }
            case OpCode.setWatches2:
                {
                    lastOp = "STW2";
                    SetWatches2 setWatches = new SetWatches2();
                    // TODO we really should not need this
                    request.request.rewind();
                    ByteBufferInputStream.byteBuffer2Record(request.request, setWatches);
                    long relativeZxid = setWatches.getRelativeZxid();
                    zks.getZKDatabase().setWatches(relativeZxid, setWatches.getDataWatches(), setWatches.getExistWatches(), setWatches.getChildWatches(), setWatches.getPersistentWatches(), setWatches.getPersistentRecursiveWatches(), cnxn);
                    break;
                }
            case OpCode.addWatch:
                {
                    lastOp = "ADDW";
                    AddWatchRequest addWatcherRequest = new AddWatchRequest();
                    ByteBufferInputStream.byteBuffer2Record(request.request, addWatcherRequest);
                    zks.getZKDatabase().addWatch(addWatcherRequest.getPath(), cnxn, addWatcherRequest.getMode());
                    rsp = new ErrorResponse(0);
                    break;
                }
            case OpCode.getACL:
                {
                    lastOp = "GETA";
                    GetACLRequest getACLRequest = new GetACLRequest();
                    ByteBufferInputStream.byteBuffer2Record(request.request, getACLRequest);
                    path = getACLRequest.getPath();
                    DataNode n = zks.getZKDatabase().getNode(path);
                    if (n == null) {
                        throw new KeeperException.NoNodeException();
                    }
                    zks.checkACL(request.cnxn, zks.getZKDatabase().aclForNode(n), ZooDefs.Perms.READ | ZooDefs.Perms.ADMIN, request.authInfo, path, null);
                    Stat stat = new Stat();
                    List<ACL> acl = zks.getZKDatabase().getACL(path, stat);
                    requestPathMetricsCollector.registerRequest(request.type, getACLRequest.getPath());
                    try {
                        zks.checkACL(request.cnxn, zks.getZKDatabase().aclForNode(n), ZooDefs.Perms.ADMIN, request.authInfo, path, null);
                        rsp = new GetACLResponse(acl, stat);
                    } catch (KeeperException.NoAuthException e) {
                        List<ACL> acl1 = new ArrayList<ACL>(acl.size());
                        for (ACL a : acl) {
                            if ("digest".equals(a.getId().getScheme())) {
                                Id id = a.getId();
                                Id id1 = new Id(id.getScheme(), id.getId().replaceAll(":.*", ":x"));
                                acl1.add(new ACL(a.getPerms(), id1));
                            } else {
                                acl1.add(a);
                            }
                        }
                        rsp = new GetACLResponse(acl1, stat);
                    }
                    break;
                }
            case OpCode.getChildren:
                {
                    lastOp = "GETC";
                    GetChildrenRequest getChildrenRequest = new GetChildrenRequest();
                    ByteBufferInputStream.byteBuffer2Record(request.request, getChildrenRequest);
                    path = getChildrenRequest.getPath();
                    rsp = handleGetChildrenRequest(getChildrenRequest, cnxn, request.authInfo);
                    requestPathMetricsCollector.registerRequest(request.type, path);
                    break;
                }
            case OpCode.getAllChildrenNumber:
                {
                    lastOp = "GETACN";
                    GetAllChildrenNumberRequest getAllChildrenNumberRequest = new GetAllChildrenNumberRequest();
                    ByteBufferInputStream.byteBuffer2Record(request.request, getAllChildrenNumberRequest);
                    path = getAllChildrenNumberRequest.getPath();
                    DataNode n = zks.getZKDatabase().getNode(path);
                    if (n == null) {
                        throw new KeeperException.NoNodeException();
                    }
                    zks.checkACL(request.cnxn, zks.getZKDatabase().aclForNode(n), ZooDefs.Perms.READ, request.authInfo, path, null);
                    int number = zks.getZKDatabase().getAllChildrenNumber(path);
                    rsp = new GetAllChildrenNumberResponse(number);
                    break;
                }
            case OpCode.getChildren2:
                {
                    lastOp = "GETC";
                    GetChildren2Request getChildren2Request = new GetChildren2Request();
                    ByteBufferInputStream.byteBuffer2Record(request.request, getChildren2Request);
                    Stat stat = new Stat();
                    path = getChildren2Request.getPath();
                    DataNode n = zks.getZKDatabase().getNode(path);
                    if (n == null) {
                        throw new KeeperException.NoNodeException();
                    }
                    zks.checkACL(request.cnxn, zks.getZKDatabase().aclForNode(n), ZooDefs.Perms.READ, request.authInfo, path, null);
                    List<String> children = zks.getZKDatabase().getChildren(path, stat, getChildren2Request.getWatch() ? cnxn : null);
                    rsp = new GetChildren2Response(children, stat);
                    requestPathMetricsCollector.registerRequest(request.type, path);
                    break;
                }
            case OpCode.checkWatches:
                {
                    lastOp = "CHKW";
                    CheckWatchesRequest checkWatches = new CheckWatchesRequest();
                    ByteBufferInputStream.byteBuffer2Record(request.request, checkWatches);
                    WatcherType type = WatcherType.fromInt(checkWatches.getType());
                    path = checkWatches.getPath();
                    boolean containsWatcher = zks.getZKDatabase().containsWatcher(path, type, cnxn);
                    if (!containsWatcher) {
                        String msg = String.format(Locale.ENGLISH, "%s (type: %s)", path, type);
                        throw new KeeperException.NoWatcherException(msg);
                    }
                    requestPathMetricsCollector.registerRequest(request.type, checkWatches.getPath());
                    break;
                }
            case OpCode.removeWatches:
                {
                    lastOp = "REMW";
                    RemoveWatchesRequest removeWatches = new RemoveWatchesRequest();
                    ByteBufferInputStream.byteBuffer2Record(request.request, removeWatches);
                    WatcherType type = WatcherType.fromInt(removeWatches.getType());
                    path = removeWatches.getPath();
                    boolean removed = zks.getZKDatabase().removeWatch(path, type, cnxn);
                    if (!removed) {
                        String msg = String.format(Locale.ENGLISH, "%s (type: %s)", path, type);
                        throw new KeeperException.NoWatcherException(msg);
                    }
                    requestPathMetricsCollector.registerRequest(request.type, removeWatches.getPath());
                    break;
                }
            case OpCode.whoAmI:
                {
                    lastOp = "HOMI";
                    rsp = new WhoAmIResponse(AuthUtil.getClientInfos(request.authInfo));
                    break;
                }
            case OpCode.getEphemerals:
                {
                    lastOp = "GETE";
                    GetEphemeralsRequest getEphemerals = new GetEphemeralsRequest();
                    ByteBufferInputStream.byteBuffer2Record(request.request, getEphemerals);
                    String prefixPath = getEphemerals.getPrefixPath();
                    Set<String> allEphems = zks.getZKDatabase().getDataTree().getEphemerals(request.sessionId);
                    List<String> ephemerals = new ArrayList<>();
                    if (prefixPath == null || prefixPath.trim().isEmpty() || "/".equals(prefixPath.trim())) {
                        ephemerals.addAll(allEphems);
                    } else {
                        for (String p : allEphems) {
                            if (p.startsWith(prefixPath)) {
                                ephemerals.add(p);
                            }
                        }
                    }
                    rsp = new GetEphemeralsResponse(ephemerals);
                    break;
                }
        }
    } catch (SessionMovedException e) {
        // session moved is a connection level error, we need to tear
        // down the connection otw ZOOKEEPER-710 might happen
        // ie client on slow follower starts to renew session, fails
        // before this completes, then tries the fast follower (leader)
        // and is successful, however the initial renew is then
        // successfully fwd/processed by the leader and as a result
        // the client and leader disagree on where the client is most
        // recently attached (and therefore invalid SESSION MOVED generated)
        cnxn.sendCloseSession();
        return;
    } catch (KeeperException e) {
        err = e.code();
    } catch (Exception e) {
        // log at error level as we are returning a marshalling
        // error to the user
        LOG.error("Failed to process {}", request, e);
        StringBuilder sb = new StringBuilder();
        ByteBuffer bb = request.request;
        bb.rewind();
        while (bb.hasRemaining()) {
            sb.append(String.format("%02x", (0xff & bb.get())));
        }
        LOG.error("Dumping request buffer for request type {}: 0x{}", Request.op2String(request.type), sb);
        err = Code.MARSHALLINGERROR;
    }
    ReplyHeader hdr = new ReplyHeader(request.cxid, lastZxid, err.intValue());
    updateStats(request, lastOp, lastZxid);
    try {
        if (path == null || rsp == null) {
            responseSize = cnxn.sendResponse(hdr, rsp, "response");
        } else {
            int opCode = request.type;
            Stat stat = null;
            // so these values are passed along with the response.
            switch(opCode) {
                case OpCode.getData:
                    {
                        GetDataResponse getDataResponse = (GetDataResponse) rsp;
                        stat = getDataResponse.getStat();
                        responseSize = cnxn.sendResponse(hdr, rsp, "response", path, stat, opCode);
                        break;
                    }
                case OpCode.getChildren2:
                    {
                        GetChildren2Response getChildren2Response = (GetChildren2Response) rsp;
                        stat = getChildren2Response.getStat();
                        responseSize = cnxn.sendResponse(hdr, rsp, "response", path, stat, opCode);
                        break;
                    }
                default:
                    responseSize = cnxn.sendResponse(hdr, rsp, "response");
            }
        }
        if (request.type == OpCode.closeSession) {
            cnxn.sendCloseSession();
        }
    } catch (IOException e) {
        LOG.error("FIXMSG", e);
    } finally {
        ServerMetrics.getMetrics().RESPONSE_BYTES.add(responseSize);
    }
}
Also used : Op(org.apache.zookeeper.Op) MultiResponse(org.apache.zookeeper.MultiResponse) WatcherType(org.apache.zookeeper.Watcher.WatcherType) GetChildrenResult(org.apache.zookeeper.OpResult.GetChildrenResult) CreateResponse(org.apache.zookeeper.proto.CreateResponse) GetACLRequest(org.apache.zookeeper.proto.GetACLRequest) ErrorResult(org.apache.zookeeper.OpResult.ErrorResult) ArrayList(java.util.ArrayList) ProcessTxnResult(org.apache.zookeeper.server.DataTree.ProcessTxnResult) GetACLResponse(org.apache.zookeeper.proto.GetACLResponse) SetACLResponse(org.apache.zookeeper.proto.SetACLResponse) WhoAmIResponse(org.apache.zookeeper.proto.WhoAmIResponse) SetWatches2(org.apache.zookeeper.proto.SetWatches2) CreateResult(org.apache.zookeeper.OpResult.CreateResult) MultiOperationRecord(org.apache.zookeeper.MultiOperationRecord) OpResult(org.apache.zookeeper.OpResult) CheckResult(org.apache.zookeeper.OpResult.CheckResult) List(java.util.List) ArrayList(java.util.ArrayList) GetChildren2Response(org.apache.zookeeper.proto.GetChildren2Response) GetChildren2Request(org.apache.zookeeper.proto.GetChildren2Request) Code(org.apache.zookeeper.KeeperException.Code) OpCode(org.apache.zookeeper.ZooDefs.OpCode) AddWatchRequest(org.apache.zookeeper.proto.AddWatchRequest) GetEphemeralsRequest(org.apache.zookeeper.proto.GetEphemeralsRequest) GetEphemeralsResponse(org.apache.zookeeper.proto.GetEphemeralsResponse) SyncRequest(org.apache.zookeeper.proto.SyncRequest) SetWatches(org.apache.zookeeper.proto.SetWatches) SessionMovedException(org.apache.zookeeper.KeeperException.SessionMovedException) GetDataResponse(org.apache.zookeeper.proto.GetDataResponse) Id(org.apache.zookeeper.data.Id) KeeperException(org.apache.zookeeper.KeeperException) DeleteResult(org.apache.zookeeper.OpResult.DeleteResult) ExistsResponse(org.apache.zookeeper.proto.ExistsResponse) GetAllChildrenNumberResponse(org.apache.zookeeper.proto.GetAllChildrenNumberResponse) Set(java.util.Set) GetDataResult(org.apache.zookeeper.OpResult.GetDataResult) Create2Response(org.apache.zookeeper.proto.Create2Response) SetDataResponse(org.apache.zookeeper.proto.SetDataResponse) RemoveWatchesRequest(org.apache.zookeeper.proto.RemoveWatchesRequest) GetDataRequest(org.apache.zookeeper.proto.GetDataRequest) SetDataResult(org.apache.zookeeper.OpResult.SetDataResult) QuorumZooKeeperServer(org.apache.zookeeper.server.quorum.QuorumZooKeeperServer) Stat(org.apache.zookeeper.data.Stat) SyncResponse(org.apache.zookeeper.proto.SyncResponse) Record(org.apache.jute.Record) MultiOperationRecord(org.apache.zookeeper.MultiOperationRecord) GetAllChildrenNumberRequest(org.apache.zookeeper.proto.GetAllChildrenNumberRequest) ReplyHeader(org.apache.zookeeper.proto.ReplyHeader) ExistsRequest(org.apache.zookeeper.proto.ExistsRequest) GetChildrenRequest(org.apache.zookeeper.proto.GetChildrenRequest) ACL(org.apache.zookeeper.data.ACL) IOException(java.io.IOException) CheckWatchesRequest(org.apache.zookeeper.proto.CheckWatchesRequest) ByteBuffer(java.nio.ByteBuffer) SessionMovedException(org.apache.zookeeper.KeeperException.SessionMovedException) KeeperException(org.apache.zookeeper.KeeperException) IOException(java.io.IOException) ErrorResponse(org.apache.zookeeper.proto.ErrorResponse) ErrorTxn(org.apache.zookeeper.txn.ErrorTxn)

Example 15 with GetDataRequest

use of org.apache.zookeeper.proto.GetDataRequest in project zookeeper by apache.

the class MultiOpSessionUpgradeTest method makeGetDataRequest.

private Request makeGetDataRequest(String path, long sessionId) throws IOException {
    ByteArrayOutputStream boas = new ByteArrayOutputStream();
    BinaryOutputArchive boa = BinaryOutputArchive.getArchive(boas);
    GetDataRequest getDataRequest = new GetDataRequest(path, false);
    getDataRequest.serialize(boa, "request");
    ByteBuffer bb = ByteBuffer.wrap(boas.toByteArray());
    return new Request(null, sessionId, 1, ZooDefs.OpCode.getData, bb, new ArrayList<Id>());
}
Also used : BinaryOutputArchive(org.apache.jute.BinaryOutputArchive) GetDataRequest(org.apache.zookeeper.proto.GetDataRequest) CreateRequest(org.apache.zookeeper.proto.CreateRequest) ByteArrayOutputStream(java.io.ByteArrayOutputStream) Id(org.apache.zookeeper.data.Id) GetDataRequest(org.apache.zookeeper.proto.GetDataRequest) ByteBuffer(java.nio.ByteBuffer)

Aggregations

GetDataRequest (org.apache.zookeeper.proto.GetDataRequest)15 CreateRequest (org.apache.zookeeper.proto.CreateRequest)9 SetDataRequest (org.apache.zookeeper.proto.SetDataRequest)8 Request (org.apache.zookeeper.server.Request)7 Test (org.junit.jupiter.api.Test)7 HashSet (java.util.HashSet)6 GetDataResponse (org.apache.zookeeper.proto.GetDataResponse)6 ReplyHeader (org.apache.zookeeper.proto.ReplyHeader)5 RequestHeader (org.apache.zookeeper.proto.RequestHeader)3 IOException (java.io.IOException)2 ByteBuffer (java.nio.ByteBuffer)2 Id (org.apache.zookeeper.data.Id)2 Stat (org.apache.zookeeper.data.Stat)2 Timeout (org.junit.jupiter.api.Timeout)2 ByteArrayOutputStream (java.io.ByteArrayOutputStream)1 ArrayList (java.util.ArrayList)1 LinkedList (java.util.LinkedList)1 List (java.util.List)1 Set (java.util.Set)1 BinaryOutputArchive (org.apache.jute.BinaryOutputArchive)1