public long extractTimestampMillis(String topic, final byte[] bytes) throws IOException {
if (timestampFieldPath != null) {
com.google.protobuf.Message decodedMessage = protobufUtil.decodeMessage(topic, bytes);
int i = 0;
for (; i < timestampFieldPath.length - 1; ++i) {
decodedMessage =
(com.google.protobuf.Message)
decodedMessage.getField(
decodedMessage.getDescriptorForType().findFieldByName(timestampFieldPath[i]));
}
Object timestampObject =
decodedMessage.getField(
decodedMessage.getDescriptorForType().findFieldByName(timestampFieldPath[i]));
if (timestampObject instanceof com.google.protobuf.Timestamp) {
return Timestamps.toMillis((com.google.protobuf.Timestamp) timestampObject);
} else {
return toMillis((Long) timestampObject);
}
} else {
// Assume that the timestamp field is the first field, is required,
// and is a uint64.
CodedInputStream input = CodedInputStream.newInstance(bytes);
// Don't really care about the tag, but need to read it to get, to
// the payload.
input.readTag();
return toMillis(input.readUInt64());
}
}
public ProtobufMessageParser(SecorConfig config) {
super(config);
protobufUtil = new ProtobufUtil(config);
if (protobufUtil.isConfigured()) {
String timestampFieldName = mConfig.getMessageTimestampName();
String timestampFieldSeparator = mConfig.getMessageTimestampNameSeparator();
if (timestampFieldSeparator == null || timestampFieldSeparator.isEmpty()) {
timestampFieldSeparator = ".";
}
LOG.info(
"Using protobuf timestamp field path: {} with separator: {}",
timestampFieldName,
timestampFieldSeparator);
timestampFieldPath = timestampFieldName.split(Pattern.quote(timestampFieldSeparator));
} else {
LOG.info(
"Protobuf message class is not configured, will assume that timestamp is the first uint64 field");
}
}