com.epam.deltix.qsrv.hf.tickdb.comm.TDBProtocol Maven / Gradle / Ivy
/*
* Copyright 2023 EPAM Systems, Inc
*
* See the NOTICE file distributed with this work for additional information
* regarding copyright ownership. Licensed under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.epam.deltix.qsrv.hf.tickdb.comm;
import com.epam.deltix.qsrv.hf.pub.md.ClassSet;
import com.epam.deltix.timebase.messages.IdentityKey;
import com.epam.deltix.qsrv.hf.pub.TimeInterval;
import com.epam.deltix.timebase.messages.TimeStamp;
import com.epam.deltix.qsrv.hf.pub.md.DataType;
import com.epam.deltix.qsrv.hf.pub.md.RecordClassSet;
import com.epam.deltix.qsrv.hf.pub.md.UHFJAXBContext;
import com.epam.deltix.qsrv.hf.pub.util.SerializationUtils;
import com.epam.deltix.qsrv.hf.tickdb.impl.FriendlyStream;
import com.epam.deltix.qsrv.hf.tickdb.pub.BackgroundProcessInfo;
import com.epam.deltix.qsrv.hf.tickdb.pub.BufferOptions;
import com.epam.deltix.qsrv.hf.tickdb.pub.DXTickStream;
import com.epam.deltix.qsrv.hf.tickdb.pub.StreamOptions;
import com.epam.deltix.qsrv.hf.tickdb.pub.StreamScope;
import com.epam.deltix.qsrv.hf.tickdb.pub.query.Parameter;
import com.epam.deltix.qsrv.hf.tickdb.pub.task.SerializableTask;
import com.epam.deltix.qsrv.hf.tickdb.pub.task.TransformationContext;
import com.epam.deltix.qsrv.hf.tickdb.pub.task.TransformationTask;
import com.epam.deltix.util.collections.generated.IntegerHashSet;
import com.epam.deltix.util.io.IOUtil;
import com.epam.deltix.util.lang.StringUtils;
import com.epam.deltix.util.progress.ExecutionStatus;
import com.epam.deltix.util.time.Periodicity;
import com.epam.deltix.util.vsocket.VSChannel;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import io.aeron.CommonContext;
import javax.annotation.Nullable;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.StringReader;
import java.io.StringWriter;
import java.security.Principal;
import java.util.List;
/**
*
*/
public abstract class TDBProtocol extends SerializationUtils {
public static final boolean USE_MAGIC = false;
public static final boolean SEND_SEQUENCE = false;
public static final boolean ALLOW_AERON_FOR_CURSOR = true;
public static final boolean ALLOW_AERON_FOR_LOADER = true;
@SuppressWarnings("ConstantConditions")
public static final boolean NEEDS_AERON_DRIVER = ALLOW_AERON_FOR_CURSOR || ALLOW_AERON_FOR_LOADER;
public static final boolean USE_TIME_CODEC_FOR_AERON = false;
public static final String AERON_CHANNEL = CommonContext.IPC_CHANNEL;
//public static final String AERON_UDP_CHANNEL = "aeron:udp?endpoint=localhost:40123";fVEr
public static final String PROTOCOL_ID = "dxtick";
public static final String SSL_PROTOCOL_ID = "dstick";
public static final String PROTOCOL_PREFIX = PROTOCOL_ID + "://";
public static final String SSL_PROTOCOL_PREFIX = SSL_PROTOCOL_ID + "://";
// public static final String CHOICE_PROTOCOL_ID = "dxchoice";
// public static final String CHOICE_PROTOCOL_PREFIX = CHOICE_PROTOCOL_ID + "://";
public static final int DEFAULT_PORT = 8011;
public static final int DEFAULT_SSL_PORT = TDBProtocol.getSSLPort(DEFAULT_PORT);
public static final String DEFAULT_URL = PROTOCOL_PREFIX + "localhost:" + DEFAULT_PORT;
public static final String SSL_DEFAULT_URL = SSL_PROTOCOL_ID + "localhost:" + DEFAULT_PORT;
/**
* This component's version, whether server or client.
*/
public static final int VERSION = 132;
/**
* Server will refuse to talk to a client unless the client's version is at least
* this number.
*/
public static final int MIN_CLIENT_VERSION = 130;
/**
* Client will refuse to talk to a server unless the server's version is at least
* this number.
*/
public static final int MIN_SERVER_VERSION = VERSION;
public static final int AERON_SUPPORT_VERSION = 106;
public static final int NO_CHANGES = -1;
public static final int READ_ONLY = 1;
public static final int READ_WRITE = 0;
public static final int INCOMPATIBLE_CLIENT_PROTOCOL_VERSION = 100;
public static final int REQ_CONNECT = 1;
public static final int REQ_LIST_STREAMS = 2;
public static final int REQ_GET_MD_VERSION = 3;
public static final int REQ_GET_METADATA = 4;
public static final int REQ_SET_METADATA = 5;
public static final int REQ_TRIM_TO_SIZE = 100;
public static final int REQ_GET_STREAM = 101;
public static final int REQ_GET_STREAM_NAME = 103;
public static final int REQ_GET_STREAM_DESCR = 104;
public static final int REQ_GET_STREAM_TNF = 105;
public static final int REQ_GET_TIME_RANGE = 106;
public static final int REQ_LIST_ENTITIES = 107;
public static final int REQ_SET_STREAM_TYPE = 108;
public static final int REQ_GET_SIZE = 109;
public static final int REQ_GET_STREAM_TYPE = 110;
public static final int REQ_GET_STREAM_TYPE_VERSION = 111;
public static final int REQ_LIST_TIME_RANGE = 112;
public static final int REQ_PURGE_STREAM = 114;
public static final int REQ_GET_BG_PROCESS = 115;
public static final int REQ_ABORT_BG_PROCESS = 116;
public static final int REQ_CLEAR_DATA = 117;
public static final int REQ_SET_STREAM_NAME = 118;
public static final int REQ_SET_STREAM_DESCR = 119;
//public static final int REQ_GET_LIVE_FILTER = 120;
public static final int REQ_GET_STREAM_PERIOD = 121;
public static final int REQ_SET_STREAM_PERIOD = 122;
public static final int REQ_TRUNCATE_DATA = 123;
public static final int REQ_GET_SERVER_TIME = 124;
public static final int REQ_GET_STREAM_OPTIONS =125;
public static final int REQ_LOCK_STREAM = 126;
public static final int REQ_TRY_LOCK_STREAM = 127;
public static final int REQ_UNLOCK_STREAM = 128;
public static final int REQ_GET_LOCK_STATE = 129;
public static final int REQ_GET_STREAM_HA = 130;
public static final int REQ_SET_STREAM_HA = 131;
public static final int REQ_ENABLE_VERSIONING = 132;
public static final int REQ_GET_DATA_VERSION = 133;
public static final int REQ_GET_REPLICA_VERSION = 134;
public static final int REQ_SET_REPLICA_VERSION = 135;
public static final int REQ_GET_INSTR_COMPOSITION = 136;
public static final int REQ_SET_STREAM_OWNER = 137;
public static final int REQ_DELETE_RANGE = 138;
public static final int REQ_RENAME_INSTRUMENTS = 139;
public static final int REQ_COMPILE_QQL = 140;
public static final int REQ_DESCRIBE = 141;
public static final int REQ_LIST_STREAM_SPACES = 142;
public static final int REQ_LIST_SYMBOLS_FOR_SPACE = 143;
public static final int REQ_GET_TIME_RANGE_FOR_SPACE = 144;
public static final int REQ_PURGE_STREAM_SPACE = 145;
public static final int REQ_LIST_IDS_FOR_SPACE = 146;
public static final int REQ_DELETE_SPACES = 147;
public static final int REQ_RENAME_SPACES = 148;
public static final int REQ_DESCRIBE_QUERY = 149;
public static final int REQ_CREATE_STREAM = 200;
public static final int REQ_DELETE_STREAM = 201;
public static final int REQ_RENAME_STREAM = 202;
public static final int REQ_RUN_TASK = 203;
public static final int REQ_CREATE_FILE_STREAM =204;
public static final int REQ_CREATE_TOPIC = 205;
public static final int REQ_DELETE_TOPIC = 206;
public static final int REQ_CREATE_TOPIC_PUBLISHER = 207;
public static final int REQ_CREATE_TOPIC_SUBSCRIBER = 208;
public static final int REQ_LIST_TOPICS = 209;
public static final int REQ_GET_TOPIC_METADATA = 210;
public static final int REQ_CREATE_MULTICAST_TOPIC = 211;
public static final int REQ_CREATE_CUSTOM_TOPIC = 212;
public static final int REQ_GET_TOPIC_INSTRUMENT_MAPPING = 213; // Returns current snapshot of topic instrument mapping
public static final int REQ_CREATE_TOPIC_SUBSCRIBER_NO_MAPPING = 214; // Same as REQ_CREATE_TOPIC_SUBSCRIBER but not sends mapping to client
public static final int REQ_GET_TOPIC_TEMPORARY_INSTRUMENT_MAPPING = 215; // Returns current snapshot of topic temporary instrument mapping
// Download sub-protocol
public static final int REQ_CREATE_CURSOR = 1001;
public static final int REQ_CREATE_MULTICAST_CURSOR = 1002;
// Cursor client sends the following (16-bit int):
public static final int CURREQ_DISCONNECT = 2;
public static final int CURREQ_ADD_STREAMS = 10;
public static final int CURREQ_REMOVE_STREAMS = 11;
public static final int CURREQ_REMOVE_ALL_STREAMS = 12;
public static final int CURREQ_ALL_ENTITIES = 20;
public static final int CURREQ_ADD_ENTITIES = 21;
public static final int CURREQ_REMOVE_ENTITIES = 22;
public static final int CURREQ_CLEAR_ENTITIES = 23;
public static final int CURREQ_ALL_TYPES = 30;
public static final int CURREQ_ADD_TYPES = 31;
public static final int CURREQ_REMOVE_TYPES = 32;
public static final int CURREQ_CLEAR_TYPES = 33;
public static final int CURREQ_SET_TYPES = 34;
public static final int CURREQ_RESET_TIME = 40;
//public static final int CURREQ_RESET_FILTER = 41;
//public static final int CURREQ_RESET_TIME_AND_FILTER = 42;
public static final int CURREQ_RESET_INSTRUMENTS = 43;
public static final int CURREQ_ADD_ENTITIES_TYPES = 44;
public static final int CURREQ_REMOVE_ENTITIES_TYPES = 45;
public static final int CURREQ_GET_MULTICAST_CURSOR_METADATA = 46;
//
// Cursor client receives the following (as message size).
// No message packet can be smaller than 10 bytes, so
// we have space for 10 codes.
// 10 = 3 (min for time) + 4 (entity) + 2 (stream) + 1 (type)
//
public static final int CURRESP_END_OF_CURSOR = 0;
public static final int CURRESP_ACK_SERIAL = 1;
//public static final int CURRESP_LOSS_REPORT = 2;
public static final int CURRESP_ERROR = 4;
public static final int CURRESP_LOAD_TYPE = 5;
public static final int CURRESP_LOAD_ENTITY = 6;
public static final int CURRESP_LOAD_STREAM = 7;
public static final int CURRESP_MSG = 8; // Aeron only
public static final int CURRESP_MSG_MULTIPART_HEAD = 9; // Aeron only
public static final int CURRESP_MSG_MULTIPART_BODY = 10; // Aeron only
// Upload sub-protocol
public static final int REQ_OPEN_LOADER = 2000;
public static final int LOAD_CLOSE = 0;
public static final int LOAD_REMOVE = 1;
public static final int LOAD_FLUSH = 2;
public static final int LOAD_MSG = 3;
public static final int LOAD_MULTIPART_HEAD = 4; // First part of multi-part message
public static final int LOAD_MULTIPART_HEAD_REMOVE = 5; // Same as LOAD_REMOVE for multipart message
public static final int LOAD_MULTIPART_BODY = 6; // Remaining parts for multi-part messages
public static final int LOADRESP_ERROR = 10;
public static final int LOADRESP_FILTER_CHANGE = 11;
public static final int LOADRESP_ENTITIES_CHANGE = 12;
public static final int LOADRESP_TYPES_CHANGE = 13;
public static final int LOADRESP_CLOSE_OK = 14;
public static final int LOADRESP_FLUSH_OK = 15;
public static final int RESP_OK = 0;
public static final int RESP_ERROR = 1;
public static final int RESP_LICENSE_ERROR = 3;
public static final int RESP_EXCEPTION = 4;
// Session sub-protocol
public static final int REQ_START_SESSION = 3001;
public static final int REQ_GET_STREAMS = 1;
public static final int REQ_GET_STREAM_PROPERTY = 2;
public static final int REQ_CLOSE_SESSION = 3;
public static final int STREAM_PROPERTY_CHANGED = 11;
public static final int STREAM_DELETED = 12;
public static final int STREAM_CREATED = 13;
public static final int STREAM_RENAMED = 14;
public static final int STREAMS_DEFINITION = 15;
public static final int STREAM_PROPERTY = 16;
public static final int SESSION_CLOSED = 17;
public static final int SESSION_STARTED = 18;
public static final int STREAMS_CHANGED = 19;
// Additional flags
// TODO: Convert to enum
public static final int AF_STUB_STREAM = 11;
public static final byte TRANSPORT_TYPE_SOCKET = 1;
public static final byte TRANSPORT_TYPE_AERON = 2;
//returns NonSSL port for loopback connections while server is running with SSL
public static int getSSLPort(int port) {
int sum = 0;
int n = port;
while (n > 0) {
sum += n % 10;
n /= 10;
}
return port + sum + 1;
}
public static int getPort(int port, boolean ssl) {
return ssl ? getSSLPort(port) : port;
}
public static String getHttpProtocol(boolean ssl) {
return ssl ? "https" : "http";
}
public static String getProtocol(boolean ssl) {
return ssl ? SSL_PROTOCOL_ID : PROTOCOL_ID;
}
public static boolean isSSL(String protocol) {
return protocol.equalsIgnoreCase(SSL_PROTOCOL_ID);
}
public static void writeParameters (
Parameter [] params,
DataOutputStream out
)
throws IOException
{
out.writeInt(params != null ? params.length : -1);
for (int i = 0; params != null && i < params.length; i++) {
Parameter param = params[i];
out.writeUTF(param.name);
param.type.writeTo(out);
out.writeUTF(param.value.getString());
}
}
public static Parameter [] readParameters (DataInputStream in, int clientVersion)
throws IOException
{
int size = in.readInt();
if (size < 0)
return null;
Parameter[] params = new Parameter[size];
for (int i = 0; i < size; i++) {
String name = in.readUTF();
DataType type = DataType.readFrom(in, null);// assuming we have primitive types here
params[i] = new Parameter(name, type);
params[i].value.writeString(in.readUTF());
}
return params;
}
public static void writeTransformationTask (
TransformationTask task,
DataOutputStream out)
throws IOException
{
try {
out.writeUTF (task.getClass().getName());
if (task instanceof SerializableTask) {
((SerializableTask)task).write(out);
} else {
Marshaller m = TransformationContext.createMarshaller(task);
StringWriter s = new StringWriter ();
m.marshal (task, s);
writeHugeString(out, s.toString());
}
} catch (JAXBException x) {
throw new RuntimeException (x);
}
}
public static TransformationTask readTransformationTask (DataInputStream in)
throws IOException
{
try {
String className = in.readUTF ();
TransformationTask task =
(TransformationTask) Class.forName(className).newInstance();
if (task instanceof SerializableTask) {
((SerializableTask) task).read(in);
return task;
} else {
StringBuilder sb = new StringBuilder();
readHugeString(in, sb);
Unmarshaller u = TransformationContext.createUnmarshaller(task);
return ((TransformationTask) u.unmarshal (new StringReader (sb.toString())));
}
} catch (Exception x) {
throw new RuntimeException (x);
}
}
public static void writeTimeRange (long[] range, DataOutputStream out) throws IOException {
boolean isNull = (range == null);
out.writeBoolean(isNull);
if (!isNull) {
out.writeLong(range[0]);
out.writeLong(range[1]);
}
}
public static void writeTimeRange (TimeInterval range, DataOutputStream out) throws IOException {
boolean isNull = range == null || range.isUndefined();
out.writeBoolean(isNull);
if (!isNull) {
out.writeLong(TimeStamp.getMilliseconds(range.getFromTime()));
out.writeLong(TimeStamp.getMilliseconds(range.getToTime()));
}
}
public static long[] readTimeRangeLong (DataInputStream in) throws IOException {
boolean isNull = in.readBoolean();
if (!isNull)
return new long[] { in.readLong(), in.readLong() };
return null;
}
public static void writeBGProcessInfo(BackgroundProcessInfo info, DataOutputStream out)
throws IOException
{
if (info != null) {
out.writeInt(info.status.ordinal());
IOUtil.writeUTF(info.getName(), out);
out.writeLong(info.startTime);
out.writeLong(info.endTime);
out.writeDouble(info.progress);
out.writeInt(info.affectedStreams.size());
for (String key : info.affectedStreams)
IOUtil.writeUTF(key, out);
out.writeBoolean(info.error != null);
if (info.error != null)
TDBProtocol.writeError(out, info.error);
} else {
out.writeInt(-1);
}
}
public static BackgroundProcessInfo readBGProcessInfo(DataInputStream in) throws IOException, ClassNotFoundException {
int ordinal = in.readInt();
if (ordinal != -1) {
BackgroundProcessInfo process = new BackgroundProcessInfo(in.readUTF());
process.startTime = in.readLong();
process.endTime = in.readLong();
process.progress = in.readDouble();
process.status = ExecutionStatus.values()[ordinal];
for (int i = 0, length = in.readInt(); i < length; i++)
process.affectedStreams.add(in.readUTF());
boolean hasError = in.readBoolean();
if (hasError)
process.error = TDBProtocol.readError(in);
return process;
}
return null;
}
public static void writeClassSet (
DataOutputStream out,
ClassSet md
)
throws IOException
{
try {
Marshaller m = UHFJAXBContext.createMarshaller ();
StringWriter s = new StringWriter ();
synchronized (md) {
m.marshal (md, s);
}
writeHugeString (out, s.getBuffer ());
} catch (JAXBException x) {
throw new RuntimeException (x);
}
}
public static String toString (RecordClassSet md) throws IOException {
try {
Marshaller m = UHFJAXBContext.createMarshaller ();
StringWriter s = new StringWriter ();
m.marshal (md, s);
return s.getBuffer().toString();
} catch (JAXBException x) {
throw new RuntimeException (x);
}
}
public static RecordClassSet readClassSet (String in) {
try {
Unmarshaller u = UHFJAXBContext.createUnmarshaller ();
return ((RecordClassSet) u.unmarshal (new StringReader (in)));
} catch (JAXBException x) {
throw new RuntimeException (x);
}
}
public static ClassSet readClassSet (
DataInputStream in
)
throws IOException
{
try {
StringBuilder sb = new StringBuilder ();
readHugeString (in, sb);
Unmarshaller u = UHFJAXBContext.createUnmarshaller ();
return ((ClassSet) u.unmarshal (new StringReader (sb.toString ())));
} catch (JAXBException x) {
throw new RuntimeException (x);
}
}
// public static void writeTimeRange(DataOutputStream out, DXTickStream stream, IdentityKey[] ids) throws IOException {
// out.writeInt(ids == null ? -1 : ids.length);
//
// if (ids != null) {
//
// if (stream instanceof SingleChannelStream) {
// TimeInterval[] intervals = ((SingleChannelStream) stream).listTimeRange(ids);
//
// for (int i = 0; i < ids.length; i++) {
// writeIdentityKey(ids[i], out);
//
//// if (Assertions.ENABLED) {
//// if (intervals != null) {
//// long[] range = stream.getTimeRange(ids[i]);
////
//// if (intervals[i] == null)
//// assert range == null;
////
//// if (range == null) {
//// if (intervals[i] != null) {
//// assert intervals[i].getFromTime() == Long.MAX_VALUE;
//// assert intervals[i].getToTime() == Long.MIN_VALUE;
//// }
//// } else {
//// assert range[0] == TimeStamp.getMilliseconds(intervals[i].getFromTime());
//// assert range[1] == TimeStamp.getMilliseconds(intervals[i].getToTime());
//// }
//// }
//// }
//
// writeTimeRange(intervals != null ? intervals[i] : null, out);
// out.writeBoolean(false);
// }
// } else {
//
// for (int i = 0; i < ids.length; i++) {
// IdentityKey id = ids[i];
// writeIdentityKey(id, out);
// long[] range = stream.getTimeRange(id);
// writeTimeRange(range, out);
//
// if (stream instanceof FriendlyStream && range != null)
// out.writeBoolean(((FriendlyStream)stream).hasWriter(id));
// }
// }
//
// }
// }
public static void writeTimeRange(DataOutputStream out, DXTickStream stream, IdentityKey[] ids) throws IOException {
out.writeInt(ids == null ? -1 : ids.length);
FriendlyStream fs = stream instanceof FriendlyStream ? (FriendlyStream)stream : null;
if (ids != null) {
TimeInterval[] intervals = stream.listTimeRange(ids);
for (int i = 0; i < ids.length; i++) {
// if (Assertions.ENABLED) {
// if (intervals != null) {
// long[] range = stream.getTimeRange(ids[i]);
//
// if (intervals[i] == null)
// assert range == null;
//
// if (range == null) {
// if (intervals[i] != null) {
// assert intervals[i].getFromTime() == Long.MAX_VALUE;
// assert intervals[i].getToTime() == Long.MIN_VALUE;
// }
// } else {
// assert range[0] == TimeStamp.getMilliseconds(intervals[i].getFromTime());
// assert range[1] == TimeStamp.getMilliseconds(intervals[i].getToTime());
// }
// }
// }
writeIdentityKey(ids[i], out);
TimeInterval interval = intervals != null ? intervals[i] : null;
writeTimeRange(interval, out);
if (interval != null && !interval.isUndefined())
out.writeBoolean(fs != null && fs.hasWriter(ids[i]));
}
}
}
public static void writeStream(DataOutputStream out, DXTickStream stream, int clientVersion)
throws IOException
{
assert stream != null;
out.writeUTF(stream.getKey());
writeStreamOptions(out, stream.getStreamOptions(), clientVersion);
writeTimeRange(out, stream, stream.listEntities());
writeTimeRange(stream.getTimeRange(), out);
writeBGProcessInfo(stream.getBackgroundProcess(), out);
out.writeLong(stream.getDataVersion());
out.writeLong(stream.getReplicaVersion());
out.writeInt(stream.getFormatVersion());
}
public static void writeStreamOptions (
DataOutputStream out,
StreamOptions so,
int clientVersion
)
throws IOException
{
out.writeByte (so.scope.ordinal ());
writeNullableString(so.name, out);
writeNullableString(so.description, out);
writeNullableString(so.location, out);
out.writeInt (so.distributionFactor);
out.writeBoolean(so.unique);
out.writeBoolean(so.duplicatesAllowed);
out.writeBoolean (so.isPolymorphic ());
writeClassSet (out, so.getMetaData ());
// write options
out.writeBoolean(so.bufferOptions != null);
if (so.bufferOptions != null) {
out.writeInt(so.bufferOptions.initialBufferSize);
out.writeInt(so.bufferOptions.maxBufferSize);
out.writeLong(so.bufferOptions.maxBufferTimeDepth);
out.writeBoolean(so.bufferOptions.lossless);
}
out.writeBoolean (so.periodicity == null);
if (so.periodicity != null)
out.writeUTF (so.periodicity.toString ());
out.writeBoolean (so.highAvailability);
writeNullableString(so.distributionRuleName, out);
if (clientVersion == 98)
out.writeBoolean(false); // file format
writeNullableString(so.owner, out);
writeNullableString(so.version, out);
if (clientVersion > 100) {
// Write additional flags
int additionalFlagCount = so.additionalFlags == null ? 0 : so.additionalFlags.size();
out.writeInt(additionalFlagCount);
if (additionalFlagCount > 0) {
int[] ints = so.additionalFlags.toArray(new int[additionalFlagCount]);
for (int i = 0; i < additionalFlagCount; i++)
out.writeInt(ints[i]);
}
}
}
public static StreamOptions readStreamOptions (
DataInputStream in,
int clientVersion
)
throws IOException
{
StreamOptions so = new StreamOptions ();
so.scope = StreamScope.values () [in.readUnsignedByte ()];
so.name = readNullableString(in);
so.description = readNullableString(in);
so.location = readNullableString(in);
so.distributionFactor = in.readInt ();
so.unique = in.readBoolean();
so.duplicatesAllowed = in.readBoolean();
//in.readInt(); // so.notificationsDelay removed
boolean polymorphic = in.readBoolean ();
RecordClassSet md = (RecordClassSet) readClassSet (in);
so.setMetaData (polymorphic, md);
so.bufferOptions = in.readBoolean() ? new BufferOptions() : null;
if (so.bufferOptions != null) {
so.bufferOptions.initialBufferSize = in.readInt();
so.bufferOptions.maxBufferSize = in.readInt();
so.bufferOptions.maxBufferTimeDepth = in.readLong();
so.bufferOptions.lossless = in.readBoolean();
}
so.periodicity = in.readBoolean() ? null : Periodicity.parse(in.readUTF());
so.highAvailability = in.readBoolean ();
so.distributionRuleName = readNullableString(in);
if (clientVersion < 99) {
boolean exists = in.readBoolean();
if (exists)
in.readByte();
}
so.owner = readNullableString(in);
so.version = readNullableString(in);
if (clientVersion > 100) {
// Read additional flags
int additionalFlagCount = in.readInt();
if (additionalFlagCount > 0) {
so.additionalFlags = new IntegerHashSet();
for (int i = 0; i < additionalFlagCount; i++) {
int flag = in.readInt();
so.additionalFlags.add(flag);
}
}
}
return (so);
}
public static StreamOptions readStreamOptions76 (
DataInputStream in
)
throws IOException
{
StreamOptions so = new StreamOptions ();
so.scope = StreamScope.values () [in.readUnsignedByte ()];
so.name = readNullableString(in);
so.description = readNullableString(in);
so.distributionFactor = in.readInt ();
so.unique = in.readBoolean();
so.duplicatesAllowed = in.readBoolean();
in.readInt(); // notification delay
boolean polymorphic = in.readBoolean ();
RecordClassSet md = (RecordClassSet) readClassSet (in);
so.setMetaData (polymorphic, md);
so.bufferOptions = in.readBoolean() ? new BufferOptions() : null;
if (so.bufferOptions != null) {
so.bufferOptions.initialBufferSize = in.readInt();
so.bufferOptions.maxBufferSize = in.readInt();
so.bufferOptions.maxBufferTimeDepth = in.readLong();
so.bufferOptions.lossless = in.readBoolean();
}
so.periodicity = in.readBoolean() ? null : Periodicity.parse(in.readUTF());
so.highAvailability = in.readBoolean ();
return (so);
}
public static void writeNonNullableStrings (
DataOutputStream out,
String [] strings
)
throws IOException
{
int n = strings.length;
if (n > 0xFFFF)
throw new IllegalArgumentException ("Array too big: " + n);
out.writeShort (n);
for (String s : strings)
out.writeUTF (s);
}
public static String [] readNonNullableStrings (
DataInputStream in
)
throws IOException
{
int n = in.readUnsignedShort ();
String [] ret = new String [n];
for (int ii = 0; ii < n; ii++)
ret [ii] = in.readUTF ();
return (ret);
}
public static void writeNullableStringArray(DataOutputStream out, @Nullable String[] strings) throws IOException {
if (strings == null) {
out.writeShort(-1);
return;
}
int size = strings.length;
if (size > Short.MAX_VALUE) {
throw new IllegalArgumentException("Array too big: " + size);
}
out.writeShort(size);
for (String s : strings) {
out.writeUTF(s);
}
}
public static void writeNullableStringArray(DataOutputStream out, @Nullable List strings) throws IOException {
if (strings == null) {
out.writeShort(-1);
return;
}
int size = strings.size();
if (size > Short.MAX_VALUE)
throw new IllegalArgumentException("Array too big: " + size);
out.writeShort(size);
for (CharSequence s : strings)
out.writeUTF(s.toString());
}
@Nullable
public static String[] readNullableStringArray(DataInputStream din) throws IOException {
int size = din.readShort();
if (size < 0) {
return null;
}
String[] result = new String[size];
for (int i = 0; i < size; i++) {
result[i] = din.readUTF();
}
return result;
}
public static void writeCredentials(VSChannel channel, UserPrincipal principal)
throws IOException
{
DataOutputStream out = channel.getDataOutputStream();
out.writeUTF("BASIC"); // protocol type
out.writeUTF(channel.encode(principal.getToken()));
}
public static void writeCredentials(VSChannel channel, UserPrincipal principal, Principal delegate)
throws IOException
{
if (delegate == null) {
writeCredentials(channel, principal);
} else {
DataOutputStream out = channel.getDataOutputStream();
out.writeUTF("DELEGATE"); // protocol type
out.writeUTF(channel.encode(principal.getToken()));
out.writeUTF(delegate.getName());
}
}
/*
* Writes object as binary into given DataOutputStream and do flush()
*/
public static void writeBinary(DataOutputStream out, Throwable e) throws IOException {
ObjectOutputStream oos = new ObjectOutputStream (out);
oos.writeObject (e);
out.flush();
}
@SuppressFBWarnings(value = "OBJECT_DESERIALIZATION", justification = "Only Throwable Deserialization")
public static Throwable readBinary(DataInputStream in) throws IOException, ClassNotFoundException {
ObjectInputStream ois = new ObjectInputStream (in);
return (Throwable) ois.readObject();
}
/*
* Writes Throwable into text presentation into given DataOutputStream and do flush()
*/
public static void writeError(DataOutputStream out, Throwable e) throws IOException {
out.writeUTF(e.getClass().getName());
out.writeUTF(e.getMessage() != null ? e.getMessage() : "");
StackTraceElement[] trace = e.getStackTrace();
out.writeInt(trace.length);
for (StackTraceElement element : trace) {
out.writeUTF(element.getClassName());
out.writeUTF(element.getMethodName());
String file = element.getFileName();
out.writeUTF(file != null ? file : "");
out.writeInt(element.getLineNumber());
}
out.writeBoolean(e.getCause() != null);
if (e.getCause() != null)
writeError(out, e.getCause());
out.flush();
}
public static Throwable readError(DataInputStream in) throws IOException, ClassNotFoundException {
return readError(in, DefaultExceptionResolver.INSTANCE);
}
public static Throwable readError(DataInputStream in, ExceptionResolver resolver)
throws IOException, ClassNotFoundException {
String className = in.readUTF();
String message = in.readUTF();
int size = in.readInt();
StackTraceElement[] trace = new StackTraceElement[size];
for (int i = 0; i < size; i++) {
String clazz = in.readUTF();
String method = in.readUTF();
String file = in.readUTF();
int line = in.readInt();
trace[i] = new StackTraceElement(clazz, method, file, line);
}
Throwable cause = null;
if (in.readBoolean())
cause = readError(in, resolver);
Throwable x = resolver.create(className, message, cause);
x.setStackTrace(trace);
return x;
}
public static UserCredentials readCredentials(VSChannel channel) throws IOException {
DataInputStream in = channel.getDataInputStream();
String protocol = in.readUTF();
String token = channel.decode(in.readUTF());
String delegate = "DELEGATE".equals(protocol) ? in.readUTF() : null;
if (!StringUtils.isEmpty(token)) {
String[] tokens = token.split(":");
UserCredentials c = new UserCredentials(protocol, tokens[0], tokens.length > 1 ? tokens[1] : "");
c.delegate = delegate;
return c;
}
return null;
}
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