Add EventStream::setEndTime(...) and a first stab at priviliged access to local repository
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package jdk.jfr.consumer;
import java.io.IOException;
import java.nio.file.Path;
import java.security.AccessControlContext;
import java.security.AccessController;
import java.time.Duration;
import java.time.Instant;
import java.util.Arrays;
import java.util.Objects;
import java.util.function.Consumer;
import jdk.jfr.internal.consumer.FileAccess;
import jdk.jfr.internal.consumer.RecordingInput;
/**
* Implementation of an event stream that operates against a recording file.
*
*/
final class EventFileStream implements EventStream {
private final static class FileStream extends AbstractEventStream {
private static final int DEFAULT_ARRAY_SIZE = 100_000;
private final RecordingInput input;
private ChunkParser chunkParser;
private RecordedEvent[] sortedList;
public FileStream(AccessControlContext acc, Path path) throws IOException {
super(acc, false);
this.input = new RecordingInput(path.toFile(), FileAccess.UNPRIVILIGED);
; }
@Override
public void process() throws IOException {
final StreamConfiguration c1 = configuration;
long start = 0;
long end = Long.MAX_VALUE;
if (c1.getStartTime() != null) {
start = c1.getStartNanos();
}
if (c1.getEndTime() != null) {
end = c1.getEndNanos();
}
chunkParser = new ChunkParser(input, c1.getReuse());
while (!isClosed()) {
if (chunkParser.getStartNanos() > end) {
close();
return;
}
StreamConfiguration c2 = configuration;
boolean ordered = c2.getOrdered();
chunkParser.setFirstNanos(start);
chunkParser.setLastNanos(end);
chunkParser.setReuse(c2.getReuse());
chunkParser.setOrdered(ordered);
chunkParser.resetEventCache();
chunkParser.setParserFilter(c2.getFiler());
chunkParser.updateEventParsers();
clearLastDispatch();
if (ordered) {
processOrdered();
} else {
processUnordered();
}
runFlushActions();
if (chunkParser.isLastChunk()) {
return;
}
chunkParser = chunkParser.nextChunkParser();
}
}
private void processOrdered() throws IOException {
if (sortedList == null) {
sortedList = new RecordedEvent[DEFAULT_ARRAY_SIZE];
}
RecordedEvent event;
int index = 0;
while (true) {
event = chunkParser.readEvent();
if (event == null) {
Arrays.sort(sortedList, 0, index, END_TIME);
for (int i = 0; i < index; i++) {
dispatch(sortedList[i]);
}
return;
}
if (index == sortedList.length) {
RecordedEvent[] tmp = sortedList;
sortedList = new RecordedEvent[2 * tmp.length];
System.arraycopy(tmp, 0, sortedList, 0, tmp.length);
}
sortedList[index++] = event;
}
}
private void processUnordered() throws IOException {
RecordedEvent event;
while (!isClosed()) {
event = chunkParser.readEvent();
if (event == null) {
return;
}
dispatch(event);
}
}
@Override
public void close() {
setClosed(true);;
runCloseActions();
try {
input.close();
} catch (IOException e) {
// ignore
}
}
}
private final FileStream eventStream;
public EventFileStream(Path path, Instant from, Instant to) throws IOException {
Objects.requireNonNull(path);
eventStream = new FileStream(AccessController.getContext(), path);
}
@Override
public void onEvent(Consumer<RecordedEvent> action) {
Objects.requireNonNull(action);
eventStream.onEvent(action);
}
@Override
public void onEvent(String eventName, Consumer<RecordedEvent> action) {
Objects.requireNonNull(eventName);
Objects.requireNonNull(action);
eventStream.onEvent(eventName, action);
}
@Override
public void onFlush(Runnable action) {
Objects.requireNonNull(action);
eventStream.onFlush(action);
}
@Override
public void onClose(Runnable action) {
Objects.requireNonNull(action);
eventStream.addCloseAction(action);
}
@Override
public void close() {
eventStream.close();
}
@Override
public boolean remove(Object action) {
Objects.requireNonNull(action);
return eventStream.remove(action);
}
@Override
public void start() {
eventStream.start(0);
}
@Override
public void setReuse(boolean reuse) {
eventStream.setReuse(reuse);
}
@Override
public void startAsync() {
eventStream.startAsync(0);
}
@Override
public void awaitTermination(Duration timeout) {
Objects.requireNonNull(timeout);
eventStream.awaitTermination(timeout);
}
@Override
public void awaitTermination() {
eventStream.awaitTermination();
}
@Override
public void setOrdered(boolean ordered) {
eventStream.setOrdered(ordered);
}
@Override
public void setStartTime(Instant startTime) {
eventStream.setStartTime(startTime);
}
@Override
public void setEndTime(Instant endTime) {
eventStream.setEndTime(endTime);
}
}