@Override
public ITmfEvent parseEvent(final ITmfContext context) {
if (!(fEventStream instanceof TmfTraceStub)) {
return null;
}
// Highly inefficient...
final RandomAccessFile stream = ((TmfTraceStub) fEventStream).getStream();
if (stream == null) {
return null;
}
// String name = eventStream.getName();
// name = name.substring(name.lastIndexOf('/') + 1);
// no need to use synchronized since it's already cover by the calling method
long location = 0;
if (context != null && context.getLocation() != null) {
location = (Long) context.getLocation().getLocationInfo();
try {
stream.seek(location);
final long ts = stream.readLong();
stream.readUTF(); /* Previously source, now unused */
final String type = stream.readUTF();
stream.readInt(); /* Previously reference, now unused */
final int typeIndex = Integer.parseInt(type.substring(typePrefix.length()));
final String[] fields = new String[typeIndex];
for (int i = 0; i < typeIndex; i++) {
fields[i] = stream.readUTF();
}
final StringBuffer content = new StringBuffer("[");
if (typeIndex > 0) {
content.append(fields[0]);
}
for (int i = 1; i < typeIndex; i++) {
content.append(", ").append(fields[i]);
}
content.append("]");
final TmfEventField root =
new TmfEventField(ITmfEventField.ROOT_FIELD_ID, content.toString(), null);
final ITmfEvent event =
new TmfEvent(
fEventStream,
ITmfContext.UNKNOWN_RANK,
fEventStream.createTimestamp(ts * 1000000L),
fTypes[typeIndex],
root);
return event;
} catch (final EOFException e) {
} catch (final IOException e) {
}
}
return null;
}
@Override
public GdbTraceEvent parseEvent(ITmfContext context) {
if (context.getRank() >= fNbFrames) {
return null;
}
// work-around to ensure that the select and parse of trace frame will
// be atomic
GdbTraceEvent event = fGdbTpRef.selectAndReadFrame(context.getRank());
fLocation++;
return event;
}