// Licensed to the LF AI & Data foundation under one // or more contributor license agreements. See the NOTICE file // distributed with this work for additional information // regarding copyright ownership. The 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. #pragma once #ifdef __cplusplus extern "C" { #endif #include #include typedef struct CBuffer { char *data; int length; } CBuffer; typedef struct CStatus { int error_code; const char *error_msg; } CStatus; //============= payload writer ====================== typedef void *CPayloadWriter; CPayloadWriter NewPayloadWriter(int columnType); CStatus AddBooleanToPayload(CPayloadWriter payloadWriter, bool *values, int length); CStatus AddInt8ToPayload(CPayloadWriter payloadWriter, int8_t *values, int length); CStatus AddInt16ToPayload(CPayloadWriter payloadWriter, int16_t *values, int length); CStatus AddInt32ToPayload(CPayloadWriter payloadWriter, int32_t *values, int length); CStatus AddInt64ToPayload(CPayloadWriter payloadWriter, int64_t *values, int length); CStatus AddFloatToPayload(CPayloadWriter payloadWriter, float *values, int length); CStatus AddDoubleToPayload(CPayloadWriter payloadWriter, double *values, int length); CStatus AddOneStringToPayload(CPayloadWriter payloadWriter, char *cstr, int str_size); CStatus AddBinaryVectorToPayload(CPayloadWriter payloadWriter, uint8_t *values, int dimension, int length); CStatus AddFloatVectorToPayload(CPayloadWriter payloadWriter, float *values, int dimension, int length); CStatus FinishPayloadWriter(CPayloadWriter payloadWriter); CBuffer GetPayloadBufferFromWriter(CPayloadWriter payloadWriter); int GetPayloadLengthFromWriter(CPayloadWriter payloadWriter); void ReleasePayloadWriter(CPayloadWriter handler); //============= payload reader ====================== typedef void *CPayloadReader; CPayloadReader NewPayloadReader(int columnType, uint8_t *buffer, int64_t buf_size); CStatus GetBoolFromPayload(CPayloadReader payloadReader, bool **values, int *length); CStatus GetInt8FromPayload(CPayloadReader payloadReader, int8_t **values, int *length); CStatus GetInt16FromPayload(CPayloadReader payloadReader, int16_t **values, int *length); CStatus GetInt32FromPayload(CPayloadReader payloadReader, int32_t **values, int *length); CStatus GetInt64FromPayload(CPayloadReader payloadReader, int64_t **values, int *length); CStatus GetFloatFromPayload(CPayloadReader payloadReader, float **values, int *length); CStatus GetDoubleFromPayload(CPayloadReader payloadReader, double **values, int *length); CStatus GetOneStringFromPayload(CPayloadReader payloadReader, int idx, char **cstr, int *str_size); CStatus GetBinaryVectorFromPayload(CPayloadReader payloadReader, uint8_t **values, int *dimension, int *length); CStatus GetFloatVectorFromPayload(CPayloadReader payloadReader, float **values, int *dimension, int *length); int GetPayloadLengthFromReader(CPayloadReader payloadReader); void ReleasePayloadReader(CPayloadReader payloadReader); #ifdef __cplusplus } #endif