| // Licensed to Apache Software Foundation (ASF) under one or more contributor |
| // license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright |
| // ownership. Apache Software Foundation (ASF) licenses this file to you 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 trace |
| |
| import ( |
| "time" |
| |
| "github.com/golang/protobuf/proto" |
| "github.com/pkg/errors" |
| |
| "github.com/apache/skywalking-banyandb/api/common" |
| "github.com/apache/skywalking-banyandb/api/data" |
| v1 "github.com/apache/skywalking-banyandb/api/proto/banyandb/v1" |
| bydb_bytes "github.com/apache/skywalking-banyandb/pkg/bytes" |
| "github.com/apache/skywalking-banyandb/pkg/convert" |
| "github.com/apache/skywalking-banyandb/pkg/partition" |
| ) |
| |
| //TODO: To add WAL to handle crashing |
| //TODO: To replace timestamp with monotonic ID in case of server time reset |
| func (t *traceSeries) Write(seriesID common.SeriesID, shardID uint, entity data.EntityValue) (common.ChunkID, error) { |
| entityVal := entity.EntityValue |
| traceID, err := t.getTraceID(entityVal) |
| if err != nil { |
| return 0, err |
| } |
| state, fieldsStoreName, dataStoreName, errGetState := t.getState(entityVal) |
| if errGetState != nil { |
| return 0, errGetState |
| } |
| stateBytes := []byte{byte(state)} |
| tts := uint64(entity.GetTimestamp().AsTime().UnixNano()) |
| chunkID := t.idGen.Next(tts) |
| ts, errParseTS := t.idGen.ParseTS(chunkID) |
| if errParseTS != nil { |
| return 0, errors.Wrap(errParseTS, "failed to parse timestamp from chunk id") |
| } |
| tsBytes := convert.Uint64ToBytes(ts) |
| intSeriesID := uint64(seriesID) |
| seriesIDBytes := convert.Uint64ToBytes(intSeriesID) |
| wp := t.writePoint(ts) |
| |
| err = wp.TimeSeriesWriter(shardID, dataStoreName).Put(seriesIDBytes, entityVal.GetDataBinary(), ts) |
| if err != nil { |
| return 0, errors.Wrap(err, "fail to write traceSeries data") |
| } |
| |
| byteVal, err := proto.Marshal(copyEntityValueWithoutDataBinary(entityVal)) |
| if err != nil { |
| return 0, errors.Wrap(err, "fail to serialize EntityValue to []byte") |
| } |
| err = wp.TimeSeriesWriter(shardID, fieldsStoreName).Put(seriesIDBytes, byteVal, ts) |
| if err != nil { |
| return 0, errors.Wrap(err, "failed to write traceSeries fields") |
| } |
| |
| chunkIDBytes := convert.Uint64ToBytes(chunkID) |
| if err = wp.Writer(shardID, chunkIDMapping).Put(chunkIDBytes, bydb_bytes.Join(stateBytes, seriesIDBytes, tsBytes)); err != nil { |
| return 0, errors.Wrap(err, "failed to write chunkID index") |
| } |
| traceIDShardID := partition.ShardID(traceID, t.shardNum) |
| if err = wp.TimeSeriesWriter(traceIDShardID, traceIndex). |
| Put(traceID, bydb_bytes.Join(convert.Uint16ToBytes(uint16(shardID)), chunkIDBytes), tts); err != nil { |
| return 0, errors.Wrap(err, "failed to Trace index") |
| } |
| err = wp.Writer(shardID, startTimeIndex).Put(bydb_bytes.Join(stateBytes, tsBytes, chunkIDBytes), nil) |
| if err != nil { |
| return 0, errors.Wrap(err, "failed to write start time index") |
| } |
| t.l.Debug().Uint64("chunk_id", chunkID). |
| Uint64("series_id", intSeriesID). |
| Time("ts", time.Unix(0, int64(ts))). |
| Uint64("ts_int", ts). |
| Int("data_size", len(entityVal.GetDataBinary())). |
| Int("fields_num", len(entityVal.GetFields())). |
| Hex("trace_id", traceID). |
| Uint("trace_shard_id", traceIDShardID). |
| Uint("shard_id", shardID). |
| Msg("written to Trace series") |
| return common.ChunkID(chunkID), err |
| } |
| |
| // copyEntityValueWithoutDataBinary copies all fields without DataBinary |
| func copyEntityValueWithoutDataBinary(ev *v1.EntityValue) *v1.EntityValue { |
| return &v1.EntityValue{ |
| EntityId: ev.GetEntityId(), |
| Timestamp: ev.GetTimestamp(), |
| DataBinary: nil, |
| Fields: ev.GetFields(), |
| } |
| } |