func (cmd *serverCommand) parseRecordResults(ifc command, receiveSize int) (bool, error) { // Server commands (Query/Execute UDF) should only send back a return code. // Keep parsing logic to empty socket buffer just in case server does // send records back. cmd.dataOffset = 0 for cmd.dataOffset < receiveSize { if err := cmd.readBytes(int(_MSG_REMAINING_HEADER_SIZE)); err != nil { return false, err } resultCode := ResultCode(cmd.dataBuffer[5] & 0xFF) if resultCode != 0 { if resultCode == KEY_NOT_FOUND_ERROR { return false, nil } return false, NewAerospikeError(resultCode) } info3 := int(cmd.dataBuffer[3]) // If cmd is the end marker of the response, do not proceed further if (info3 & _INFO3_LAST) == _INFO3_LAST { return false, nil } fieldCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 18)) opCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 20)) if _, err := cmd.parseKey(fieldCount); err != nil { return false, err } for i := 0; i < opCount; i++ { if err := cmd.readBytes(8); err != nil { return false, err } opSize := int(Buffer.BytesToUint32(cmd.dataBuffer, 0)) nameSize := int(cmd.dataBuffer[7]) if err := cmd.readBytes(nameSize); err != nil { return false, err } particleBytesSize := int((opSize - (4 + nameSize))) if err := cmd.readBytes(particleBytesSize); err != nil { return false, err } } } return true, nil }
// Parse all results in the batch. Add records to shared list. // If the record was not found, the bins will be nil. func (cmd *batchCommandExists) parseRecordResults(ifc command, receiveSize int) (bool, error) { //Parse each message response and add it to the result array cmd.dataOffset = 0 for cmd.dataOffset < receiveSize { if err := cmd.readBytes(int(_MSG_REMAINING_HEADER_SIZE)); err != nil { return false, err } resultCode := ResultCode(cmd.dataBuffer[5] & 0xFF) // The only valid server return codes are "ok" and "not found". // If other return codes are received, then abort the batch. if resultCode != 0 && resultCode != KEY_NOT_FOUND_ERROR { return false, NewAerospikeError(resultCode) } info3 := cmd.dataBuffer[3] // If cmd is the end marker of the response, do not proceed further if (int(info3) & _INFO3_LAST) == _INFO3_LAST { return false, nil } fieldCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 18)) opCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 20)) if opCount > 0 { return false, NewAerospikeError(PARSE_ERROR, "Received bins that were not requested!") } key, err := cmd.parseKey(fieldCount) if err != nil { return false, err } offset := cmd.batchNamespace.offsets[cmd.index] cmd.index++ if bytes.Equal(key.digest, cmd.keys[offset].digest) { // only set the results to true; as a result, no synchronization is needed if resultCode == 0 { cmd.existsArray[offset] = true } } else { Logger.Debug("Unexpected batch key returned: " + key.namespace + "," + Buffer.BytesToHexString(key.digest)) } } return true, nil }
// Parse all results in the batch. Add records to shared list. // If the record was not found, the bins will be nil. func (cmd *batchCommandGet) parseRecordResults(ifc command, receiveSize int) (bool, error) { //Parse each message response and add it to the result array cmd.dataOffset = 0 for cmd.dataOffset < receiveSize { if err := cmd.readBytes(int(_MSG_REMAINING_HEADER_SIZE)); err != nil { return false, err } resultCode := ResultCode(cmd.dataBuffer[5] & 0xFF) // The only valid server return codes are "ok" and "not found". // If other return codes are received, then abort the batch. if resultCode != 0 && resultCode != KEY_NOT_FOUND_ERROR { return false, NewAerospikeError(resultCode) } info3 := int(cmd.dataBuffer[3]) // If cmd is the end marker of the response, do not proceed further if (info3 & _INFO3_LAST) == _INFO3_LAST { return false, nil } generation := int(Buffer.BytesToUint32(cmd.dataBuffer, 6)) expiration := TTL(int(Buffer.BytesToUint32(cmd.dataBuffer, 10))) fieldCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 18)) opCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 20)) key, err := cmd.parseKey(fieldCount) if err != nil { return false, err } offset := cmd.batchNamespace.offsets[cmd.index] //cmd.keyMap[string(key.digest)] cmd.index++ if bytes.Equal(key.digest, cmd.keys[offset].digest) { if resultCode == 0 { if cmd.records[offset], err = cmd.parseRecord(key, opCount, generation, expiration); err != nil { return false, err } } } else { Logger.Debug("Unexpected batch key returned: " + string(key.namespace) + "," + Buffer.BytesToHexString(key.digest)) } } return true, nil }
func (upckr *unpacker) UnpackMap() (map[interface{}]interface{}, error) { if upckr.length <= 0 { return nil, nil } theType := upckr.buffer[upckr.offset] & 0xff upckr.offset++ var count int if (theType & 0xf0) == 0x80 { count = int(theType & 0x0f) } else if theType == 0xde { count = int(Buffer.BytesToUint16(upckr.buffer, upckr.offset)) upckr.offset += 2 } else if theType == 0xdf { count = int(Buffer.BytesToUint32(upckr.buffer, upckr.offset)) upckr.offset += 4 } else { return make(map[interface{}]interface{}), nil } return upckr.unpackMap(count) }
func (upckr *unpacker) UnpackList() ([]interface{}, error) { if upckr.length <= 0 { return nil, nil } theType := upckr.buffer[upckr.offset] & 0xff upckr.offset++ var count int if (theType & 0xf0) == 0x90 { count = int(theType & 0x0f) } else if theType == 0xdc { count = int(Buffer.BytesToUint16(upckr.buffer, upckr.offset)) upckr.offset += 2 } else if theType == 0xdd { count = int(Buffer.BytesToUint32(upckr.buffer, upckr.offset)) upckr.offset += 4 } else { return nil, nil } return upckr.unpackList(count) }
func (cmd *baseMultiCommand) parseRecordResults(ifc command, receiveSize int) (bool, error) { // Read/parse remaining message bytes one record at a time. cmd.dataOffset = 0 for cmd.dataOffset < receiveSize { if err := cmd.readBytes(int(_MSG_REMAINING_HEADER_SIZE)); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } resultCode := ResultCode(cmd.dataBuffer[5] & 0xFF) if resultCode != 0 { if resultCode == KEY_NOT_FOUND_ERROR { // consume the rest of the input buffer from the socket if cmd.dataOffset < receiveSize { if err := cmd.readBytes(receiveSize - cmd.dataOffset); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } } return false, nil } err := NewAerospikeError(resultCode) cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } info3 := int(cmd.dataBuffer[3]) // If cmd is the end marker of the response, do not proceed further if (info3 & _INFO3_LAST) == _INFO3_LAST { return false, nil } generation := Buffer.BytesToUint32(cmd.dataBuffer, 6) expiration := TTL(Buffer.BytesToUint32(cmd.dataBuffer, 10)) fieldCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 18)) opCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 20)) key, err := cmd.parseKey(fieldCount) if err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } // if there is a recordset, process the record traditionally // otherwise, it is supposed to be a record channel if cmd.selectCases == nil { // Parse bins. var bins BinMap for i := 0; i < opCount; i++ { if err := cmd.readBytes(8); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } opSize := int(Buffer.BytesToUint32(cmd.dataBuffer, 0)) particleType := int(cmd.dataBuffer[5]) nameSize := int(cmd.dataBuffer[7]) if err := cmd.readBytes(nameSize); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } name := string(cmd.dataBuffer[:nameSize]) particleBytesSize := int((opSize - (4 + nameSize))) if err = cmd.readBytes(particleBytesSize); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } value, err := bytesToParticle(particleType, cmd.dataBuffer, 0, particleBytesSize) if err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } if bins == nil { bins = make(BinMap, opCount) } bins[name] = value } // If the channel is full and it blocks, we don't want this command to // block forever, or panic in case the channel is closed in the meantime. select { // send back the result on the async channel case cmd.recordset.Records <- newRecord(cmd.node, key, bins, generation, expiration): case <-cmd.recordset.cancelled: return false, NewAerospikeError(cmd.terminationErrorType) } } else { obj := reflect.New(cmd.resObjType) if err := cmd.parseObject(obj, opCount, fieldCount, generation, expiration); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } // set the object to send cmd.selectCases[0].Send = obj chosen, _, _ := reflect.Select(cmd.selectCases) switch chosen { case 0: // object sent case 1: // cancel channel is closed return false, NewAerospikeError(cmd.terminationErrorType) } } } return true, nil }
func (cmd *readCommand) parseResult(ifc command, conn *Connection) error { // Read header. _, err := conn.Read(cmd.dataBuffer, int(_MSG_TOTAL_HEADER_SIZE)) if err != nil { Logger.Warn("parse result error: " + err.Error()) return err } // A number of these are commented out because we just don't care enough to read // that section of the header. If we do care, uncomment and check! sz := Buffer.BytesToInt64(cmd.dataBuffer, 0) headerLength := int(cmd.dataBuffer[8]) resultCode := ResultCode(cmd.dataBuffer[13] & 0xFF) generation := int(Buffer.BytesToUint32(cmd.dataBuffer, 14)) expiration := TTL(int(Buffer.BytesToUint32(cmd.dataBuffer, 18))) fieldCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 26)) // almost certainly 0 opCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 28)) receiveSize := int((sz & 0xFFFFFFFFFFFF) - int64(headerLength)) // Read remaining message bytes. if receiveSize > 0 { if err = cmd.sizeBufferSz(receiveSize); err != nil { return err } _, err = conn.Read(cmd.dataBuffer, receiveSize) if err != nil { Logger.Warn("parse result error: " + err.Error()) return err } } if resultCode != 0 { if resultCode == KEY_NOT_FOUND_ERROR && cmd.object == nil { return nil } if resultCode == UDF_BAD_RESPONSE { cmd.record, _ = cmd.parseRecord(opCount, fieldCount, generation, expiration) err := cmd.handleUdfError(resultCode) Logger.Warn("UDF execution error: " + err.Error()) return err } return NewAerospikeError(resultCode) } if cmd.object == nil { if opCount == 0 { // data Bin was not returned. cmd.record = newRecord(cmd.node, cmd.key, nil, generation, expiration) return nil } cmd.record, err = cmd.parseRecord(opCount, fieldCount, generation, expiration) if err != nil { return err } } else { cmd.parseObject(opCount, fieldCount, generation, expiration) } return nil }
func (upckr *unpacker) unpackObject(isMapKey bool) (interface{}, error) { theType := upckr.buffer[upckr.offset] & 0xff upckr.offset++ switch theType { case 0xc0: return nil, nil case 0xc3: return true, nil case 0xc2: return false, nil case 0xca: val := Buffer.BytesToFloat32(upckr.buffer, upckr.offset) upckr.offset += 4 return val, nil case 0xcb: val := Buffer.BytesToFloat64(upckr.buffer, upckr.offset) upckr.offset += 8 return val, nil case 0xcc: r := upckr.buffer[upckr.offset] & 0xff upckr.offset++ return int(r), nil case 0xcd: val := uint16(Buffer.BytesToInt16(upckr.buffer, upckr.offset)) upckr.offset += 2 return int(val), nil case 0xce: val := uint32(Buffer.BytesToInt32(upckr.buffer, upckr.offset)) upckr.offset += 4 if Buffer.Arch64Bits { return int(val), nil } return int64(val), nil case 0xcf: val := Buffer.BytesToInt64(upckr.buffer, upckr.offset) upckr.offset += 8 return uint64(val), nil case 0xd0: r := int8(upckr.buffer[upckr.offset]) upckr.offset++ return int(r), nil case 0xd1: val := Buffer.BytesToInt16(upckr.buffer, upckr.offset) upckr.offset += 2 return int(val), nil case 0xd2: val := Buffer.BytesToInt32(upckr.buffer, upckr.offset) upckr.offset += 4 return int(val), nil case 0xd3: val := Buffer.BytesToInt64(upckr.buffer, upckr.offset) upckr.offset += 8 if Buffer.Arch64Bits { return int(val), nil } return int64(val), nil case 0xda: count := int(Buffer.BytesToUint16(upckr.buffer, upckr.offset)) upckr.offset += 2 return upckr.unpackBlob(count, isMapKey) case 0xdb: count := int(Buffer.BytesToUint32(upckr.buffer, upckr.offset)) upckr.offset += 4 return upckr.unpackBlob(count, isMapKey) case 0xdc: count := int(Buffer.BytesToUint16(upckr.buffer, upckr.offset)) upckr.offset += 2 return upckr.unpackList(count) case 0xdd: count := int(Buffer.BytesToUint32(upckr.buffer, upckr.offset)) upckr.offset += 4 return upckr.unpackList(count) case 0xde: count := int(Buffer.BytesToUint16(upckr.buffer, upckr.offset)) upckr.offset += 2 return upckr.unpackMap(count) case 0xdf: count := int(Buffer.BytesToUint32(upckr.buffer, upckr.offset)) upckr.offset += 4 return upckr.unpackMap(count) default: if (theType & 0xe0) == 0xa0 { return upckr.unpackBlob(int(theType&0x1f), isMapKey) } if (theType & 0xf0) == 0x80 { return upckr.unpackMap(int(theType & 0x0f)) } if (theType & 0xf0) == 0x90 { count := int(theType & 0x0f) return upckr.unpackList(count) } if theType < 0x80 { return int(theType), nil } if theType >= 0xe0 { return int(int(theType) - 0xe0 - 32), nil } } return nil, NewAerospikeError(SERIALIZE_ERROR) }
func (cmd *scanCommand) parseRecordResults(ifc command, receiveSize int) (bool, error) { // Read/parse remaining message bytes one record at a time. cmd.dataOffset = 0 for cmd.dataOffset < receiveSize { if err := cmd.readBytes(int(_MSG_REMAINING_HEADER_SIZE)); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } resultCode := ResultCode(cmd.dataBuffer[5] & 0xFF) if resultCode != 0 { if resultCode == KEY_NOT_FOUND_ERROR { // consume the rest of the input buffer from the socket if cmd.dataOffset < receiveSize { if err := cmd.readBytes(receiveSize - cmd.dataOffset); err != nil { return false, err } } return false, nil } err := NewAerospikeError(resultCode) cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } info3 := int(cmd.dataBuffer[3]) // If cmd is the end marker of the response, do not proceed further if (info3 & _INFO3_LAST) == _INFO3_LAST { return false, nil } generation := int(Buffer.BytesToUint32(cmd.dataBuffer, 6)) expiration := TTL(int(Buffer.BytesToUint32(cmd.dataBuffer, 10))) fieldCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 18)) opCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 20)) key, err := cmd.parseKey(fieldCount) if err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } // Parse bins. var bins BinMap for i := 0; i < opCount; i++ { if err := cmd.readBytes(8); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } opSize := int(Buffer.BytesToUint32(cmd.dataBuffer, 0)) particleType := int(cmd.dataBuffer[5]) nameSize := int(cmd.dataBuffer[7]) if err := cmd.readBytes(nameSize); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } name := string(cmd.dataBuffer[:nameSize]) particleBytesSize := int(opSize - (4 + nameSize)) if err := cmd.readBytes(particleBytesSize); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } value, err := bytesToParticle(particleType, cmd.dataBuffer, 0, particleBytesSize) if err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } if bins == nil { bins = BinMap{} } bins[name] = value } // If the channel is full and it blocks, we don't want this command to // block forever, or panic in case the channel is closed in the meantime. select { // send back the result on the async channel case cmd.recordset.Records <- newRecord(cmd.node, key, bins, generation, expiration): case <-cmd.recordset.cancelled: return false, NewAerospikeError(SCAN_TERMINATED) } } return true, nil }
func (cmd *queryAggregateCommand) parseRecordResults(ifc command, receiveSize int) (bool, error) { // Read/parse remaining message bytes one record at a time. cmd.dataOffset = 0 for cmd.dataOffset < receiveSize { if err := cmd.readBytes(int(_MSG_REMAINING_HEADER_SIZE)); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } resultCode := ResultCode(cmd.dataBuffer[5] & 0xFF) if resultCode != 0 { if resultCode == KEY_NOT_FOUND_ERROR { // consume the rest of the input buffer from the socket if cmd.dataOffset < receiveSize { if err := cmd.readBytes(receiveSize - cmd.dataOffset); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } } return false, nil } err := NewAerospikeError(resultCode) cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } info3 := int(cmd.dataBuffer[3]) // If cmd is the end marker of the response, do not proceed further if (info3 & _INFO3_LAST) == _INFO3_LAST { return false, nil } // generation := Buffer.BytesToUint32(cmd.dataBuffer, 6) // expiration := TTL(Buffer.BytesToUint32(cmd.dataBuffer, 10)) fieldCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 18)) opCount := int(Buffer.BytesToUint16(cmd.dataBuffer, 20)) if opCount != 1 { err := fmt.Errorf("Query aggregate command expects exactly only one bin. Received: %d", opCount) cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } _, err := cmd.parseKey(fieldCount) if err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } // if there is a recordset, process the record traditionally // otherwise, it is supposed to be a record channel // Parse bins. var bins BinMap for i := 0; i < opCount; i++ { if err := cmd.readBytes(8); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } opSize := int(Buffer.BytesToUint32(cmd.dataBuffer, 0)) particleType := int(cmd.dataBuffer[5]) nameSize := int(cmd.dataBuffer[7]) if err := cmd.readBytes(nameSize); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } name := string(cmd.dataBuffer[:nameSize]) particleBytesSize := int((opSize - (4 + nameSize))) if err = cmd.readBytes(particleBytesSize); err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } value, err := bytesToParticle(particleType, cmd.dataBuffer, 0, particleBytesSize) if err != nil { cmd.recordset.Errors <- newNodeError(cmd.node, err) return false, err } if bins == nil { bins = make(BinMap, opCount) } bins[name] = value } recs, exists := bins["SUCCESS"] if !exists { if errStr, exists := bins["FAILURE"]; exists { cmd.recordset.Errors <- NewAerospikeError(QUERY_GENERIC, errStr.(string)) return false, err } else { cmd.recordset.Errors <- NewAerospikeError(QUERY_GENERIC, fmt.Sprintf("QueryAggregate's expected result was not returned. Received: %v", bins)) return false, err } } // If the channel is full and it blocks, we don't want this command to // block forever, or panic in case the channel is closed in the meantime. select { // send back the result on the async channel case cmd.inputChan <- recs: case <-cmd.recordset.cancelled: return false, NewAerospikeError(QUERY_TERMINATED) } } return true, nil }