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

110 lines
2.2 KiB
C

//
// Created by shenglian on 28/02/22.
//
#ifndef UDF_UDF_H
#define UDF_UDF_H
#include <stdlib.h>
#define DEBUG
#ifdef DEBUG
#define debugPrint(...) fprintf(__VA_ARGS__)
#else
#define debugPrint(...) /**/
#endif
enum {
UDF_TASK_SETUP = 0,
UDF_TASK_CALL = 1,
UDF_TASK_TEARDOWN = 2
};
typedef struct SSDataBlock {
char *data;
int32_t size;
} SSDataBlock;
typedef struct SUdfInfo {
char *udfName;
char *path;
} SUdfInfo;
typedef void *UdfcFuncHandle;
int32_t createUdfdProxy();
int32_t destroyUdfdProxy();
// int32_t setupUdf(SUdfInfo *udf, int32_t numOfUdfs, UdfcFuncHandle *handles);
int32_t setupUdf(SUdfInfo *udf, UdfcFuncHandle *handle);
int32_t callUdf(UdfcFuncHandle handle, int8_t step, char *state, int32_t stateSize, SSDataBlock input, char **newstate,
int32_t *newStateSize, SSDataBlock *output);
int32_t doTeardownUdf(UdfcFuncHandle handle);
typedef struct SUdfSetupRequest {
char udfName[16]; //
int8_t scriptType; // 0:c, 1: lua, 2:js
int8_t udfType; // udaf, udf, udtf
int16_t pathSize;
char *path;
} SUdfSetupRequest;
typedef struct SUdfSetupResponse {
int64_t udfHandle;
} SUdfSetupResponse;
typedef struct SUdfCallRequest {
int64_t udfHandle;
int8_t step;
int32_t inputBytes;
char *input;
int32_t stateBytes;
char *state;
} SUdfCallRequest;
typedef struct SUdfCallResponse {
int32_t outputBytes;
char *output;
int32_t newStateBytes;
char *newState;
} 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;
void *subReq;
} SUdfRequest;
typedef struct SUdfResponse {
int32_t msgLen;
int64_t seqNum;
int8_t type;
int32_t code;
void *subRsp;
} SUdfResponse;
int32_t decodeRequest(char *buf, int32_t bufLen, SUdfRequest **pRequest);
int32_t encodeResponse(char **buf, int32_t *bufLen, SUdfResponse *response);
int32_t encodeRequest(char **buf, int32_t *bufLen, SUdfRequest *request);
int32_t decodeResponse(char *buf, int32_t bufLen, SUdfResponse **pResponse);
#endif // UDF_UDF_H