homework-jianmu/source/libs/function/inc/tudfInt.h

118 lines
2.8 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TDENGINE_TUDF_INT_H
#define TDENGINE_TUDF_INT_H
#ifdef __cplusplus
extern "C" {
#endif
enum {
UDF_TASK_SETUP = 0,
UDF_TASK_CALL = 1,
UDF_TASK_TEARDOWN = 2
};
enum {
TSDB_UDF_CALL_AGG_INIT = 0,
TSDB_UDF_CALL_AGG_PROC,
TSDB_UDF_CALL_AGG_MERGE,
TSDB_UDF_CALL_AGG_FIN,
TSDB_UDF_CALL_SCALA_PROC,
};
typedef struct SUdfSetupRequest {
char udfName[TSDB_FUNC_NAME_LEN + 1];
} SUdfSetupRequest;
typedef struct SUdfSetupResponse {
int64_t udfHandle;
int8_t outputType;
int32_t bytes;
int32_t bufSize;
} SUdfSetupResponse;
typedef struct SUdfCallRequest {
int64_t udfHandle;
int8_t callType;
SSDataBlock block;
SUdfInterBuf interBuf;
SUdfInterBuf interBuf2;
int8_t initFirst;
} SUdfCallRequest;
typedef struct SUdfCallResponse {
int8_t callType;
SSDataBlock resultData;
SUdfInterBuf resultBuf;
} SUdfCallResponse;
typedef struct SUdfTeardownRequest {
int64_t udfHandle;
} SUdfTeardownRequest;
typedef struct SUdfTeardownResponse {
#ifdef WINDOWS
size_t avoidCompilationErrors;
#endif
} SUdfTeardownResponse;
typedef struct SUdfRequest {
int32_t msgLen;
int64_t seqNum;
int8_t type;
union {
SUdfSetupRequest setup;
SUdfCallRequest call;
SUdfTeardownRequest teardown;
};
} SUdfRequest;
typedef struct SUdfResponse {
int32_t msgLen;
int64_t seqNum;
int8_t type;
int32_t code;
union {
SUdfSetupResponse setupRsp;
SUdfCallResponse callRsp;
SUdfTeardownResponse teardownRsp;
};
} SUdfResponse;
int32_t encodeUdfRequest(void **buf, const SUdfRequest *request);
void *decodeUdfRequest(const void *buf, SUdfRequest *request);
int32_t encodeUdfResponse(void **buf, const SUdfResponse *response);
void *decodeUdfResponse(const void *buf, SUdfResponse *response);
void freeUdfColumnData(SUdfColumnData *data, SUdfColumnMeta *meta);
void freeUdfColumn(SUdfColumn *col);
void freeUdfDataDataBlock(SUdfDataBlock *block);
int32_t convertDataBlockToUdfDataBlock(SSDataBlock *block, SUdfDataBlock *udfBlock);
int32_t convertUdfColumnToDataBlock(SUdfColumn *udfCol, SSDataBlock *block);
int32_t getUdfdPipeName(char *pipeName, int32_t size);
#ifdef __cplusplus
}
#endif
#endif // TDENGINE_TUDF_INT_H