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enhance: refactor c plugin udf init

This commit is contained in:
shenglian zhou 2023-04-06 14:31:11 +08:00
parent 3d8776e266
commit e71a82347b
1 changed files with 41 additions and 27 deletions
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68
source/libs/function/src/udfd.c
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@ -53,15 +53,7 @@ int32_t udfdCPluginOpen(SScriptUdfEnvItem *items, int numItems) { return 0; }
int32_t udfdCPluginClose() { return 0; }
int32_t udfdCPluginUdfInit(SScriptUdfInfo *udf, void **pUdfCtx) {
int32_t err = 0;
SUdfCPluginCtx *udfCtx = taosMemoryCalloc(1, sizeof(SUdfCPluginCtx));
err = uv_dlopen(udf->path, &udfCtx->lib);
if (err != 0) {
fnError("can not load library %s. error: %s", udf->path, uv_strerror(err));
return TSDB_CODE_UDF_LOAD_UDF_FAILURE;
}
const char *udfName = udf->name;
const char *udfdCPluginUdfInitLoadInitDestoryFuncs(SUdfCPluginCtx *udfCtx, const char* udfName) {
char initFuncName[TSDB_FUNC_NAME_LEN + 5] = {0};
char *initSuffix = "_init";
strcpy(initFuncName, udfName);
@ -73,31 +65,53 @@ int32_t udfdCPluginUdfInit(SScriptUdfInfo *udf, void **pUdfCtx) {
strcpy(destroyFuncName, udfName);
strncat(destroyFuncName, destroySuffix, strlen(destroySuffix));
uv_dlsym(&udfCtx->lib, destroyFuncName, (void **)(&udfCtx->destroyFunc));
return udfName;
}
void udfdCPluginUdfInitLoadAggFuncs(SUdfCPluginCtx *udfCtx, const char *udfName) {
char processFuncName[TSDB_FUNC_NAME_LEN] = {0};
strcpy(processFuncName, udfName);
uv_dlsym(&udfCtx->lib, processFuncName, (void **)(&udfCtx->aggProcFunc));
char startFuncName[TSDB_FUNC_NAME_LEN + 6] = {0};
char *startSuffix = "_start";
strncpy(startFuncName, processFuncName, sizeof(startFuncName));
strncat(startFuncName, startSuffix, strlen(startSuffix));
uv_dlsym(&udfCtx->lib, startFuncName, (void **)(&udfCtx->aggStartFunc));
char finishFuncName[TSDB_FUNC_NAME_LEN + 7] = {0};
char *finishSuffix = "_finish";
strncpy(finishFuncName, processFuncName, sizeof(finishFuncName));
strncat(finishFuncName, finishSuffix, strlen(finishSuffix));
uv_dlsym(&udfCtx->lib, finishFuncName, (void **)(&udfCtx->aggFinishFunc));
char mergeFuncName[TSDB_FUNC_NAME_LEN + 6] = {0};
char *mergeSuffix = "_merge";
strncpy(mergeFuncName, processFuncName, sizeof(mergeFuncName));
strncat(mergeFuncName, mergeSuffix, strlen(mergeSuffix));
uv_dlsym(&udfCtx->lib, mergeFuncName, (void **)(&udfCtx->aggMergeFunc));
}
int32_t udfdCPluginUdfInit(SScriptUdfInfo *udf, void **pUdfCtx) {
int32_t err = 0;
SUdfCPluginCtx *udfCtx = taosMemoryCalloc(1, sizeof(SUdfCPluginCtx));
err = uv_dlopen(udf->path, &udfCtx->lib);
if (err != 0) {
fnError("can not load library %s. error: %s", udf->path, uv_strerror(err));
return TSDB_CODE_UDF_LOAD_UDF_FAILURE;
}
const char* udfName = udf->name;
udfdCPluginUdfInitLoadInitDestoryFuncs(udfCtx, udfName);
if (udf->funcType == UDF_FUNC_TYPE_SCALAR) {
char processFuncName[TSDB_FUNC_NAME_LEN] = {0};
strcpy(processFuncName, udfName);
uv_dlsym(&udfCtx->lib, processFuncName, (void **)(&udfCtx->scalarProcFunc));
} else if (udf->funcType == UDF_FUNC_TYPE_AGG) {
char processFuncName[TSDB_FUNC_NAME_LEN] = {0};
strcpy(processFuncName, udfName);
uv_dlsym(&udfCtx->lib, processFuncName, (void **)(&udfCtx->aggProcFunc));
char startFuncName[TSDB_FUNC_NAME_LEN + 6] = {0};
char *startSuffix = "_start";
strncpy(startFuncName, processFuncName, sizeof(startFuncName));
strncat(startFuncName, startSuffix, strlen(startSuffix));
uv_dlsym(&udfCtx->lib, startFuncName, (void **)(&udfCtx->aggStartFunc));
char finishFuncName[TSDB_FUNC_NAME_LEN + 7] = {0};
char *finishSuffix = "_finish";
strncpy(finishFuncName, processFuncName, sizeof(finishFuncName));
strncat(finishFuncName, finishSuffix, strlen(finishSuffix));
uv_dlsym(&udfCtx->lib, finishFuncName, (void **)(&udfCtx->aggFinishFunc));
char mergeFuncName[TSDB_FUNC_NAME_LEN + 6] = {0};
char *mergeSuffix = "_merge";
strncpy(mergeFuncName, processFuncName, sizeof(mergeFuncName));
strncat(mergeFuncName, mergeSuffix, strlen(mergeSuffix));
uv_dlsym(&udfCtx->lib, mergeFuncName, (void **)(&udfCtx->aggMergeFunc));
udfdCPluginUdfInitLoadAggFuncs(udfCtx, udfName);
}
int32_t code = 0;
if (udfCtx->initFunc) {
code = (udfCtx->initFunc)();