opti:json parser
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@ -178,6 +178,7 @@ typedef struct {
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SSmlMsgBuf msgBuf;
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// cJSON *root; // for parse json
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int8_t offset[4];
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SSmlLineInfo *lines; // element is SSmlLineInfo
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//
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@ -233,12 +233,19 @@ static char* smlJsonGetObj(char *payload){
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return NULL;
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}
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static inline void smlJsonParseObj(char **start, SSmlLineInfo *element){
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static inline void smlJsonParseObjFirst(char **start, SSmlLineInfo *element, int8_t *offset){
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int index = 0;
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while(*(*start)){
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if((*start)[0] != '"'){
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(*start)++;
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continue;
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}
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if(unlikely(index >= 4)) {
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uError("index >= 4, %s", *start)
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break;
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}
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char *sTmp = *start;
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if((*start)[1] == 'm' && (*start)[2] == 'e' && (*start)[3] == 't'
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&& (*start)[4] == 'r' && (*start)[5] == 'i' && (*start)[6] == 'c' && (*start)[7] == '"'){
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@ -247,6 +254,7 @@ static inline void smlJsonParseObj(char **start, SSmlLineInfo *element){
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while(*(*start)){
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if(unlikely(!isInQuote && *(*start) == '"')){
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(*start)++;
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offset[index++] = *start - sTmp;
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element->measure = (*start);
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isInQuote = true;
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continue;
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@ -267,6 +275,7 @@ static inline void smlJsonParseObj(char **start, SSmlLineInfo *element){
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if(unlikely(!hasColon && *(*start) == ':')){
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(*start)++;
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JUMP_JSON_SPACE((*start))
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offset[index++] = *start - sTmp;
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element->timestamp = (*start);
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hasColon = true;
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continue;
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@ -287,6 +296,7 @@ static inline void smlJsonParseObj(char **start, SSmlLineInfo *element){
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if(unlikely(!hasColon && *(*start) == ':')){
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(*start)++;
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JUMP_JSON_SPACE((*start))
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offset[index++] = *start - sTmp;
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element->cols = (*start);
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hasColon = true;
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continue;
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@ -305,6 +315,7 @@ static inline void smlJsonParseObj(char **start, SSmlLineInfo *element){
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if(unlikely(*(*start) == ':')){
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(*start)++;
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JUMP_JSON_SPACE((*start))
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offset[index++] = *start - sTmp;
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element->tags = (*start);
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char* tmp = smlJsonGetObj((*start));
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if(tmp){
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@ -324,10 +335,74 @@ static inline void smlJsonParseObj(char **start, SSmlLineInfo *element){
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}
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}
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static inline void smlJsonParseObj(char **start, SSmlLineInfo *element, int8_t *offset){
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int index = 0;
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while(*(*start)){
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if((*start)[0] != '"'){
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(*start)++;
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continue;
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}
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if(unlikely(index >= 4)) {
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uError("index >= 4, %s", *start)
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break;
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}
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if((*start)[1] == 'm'){
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(*start) += offset[index++];
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element->measure = *start;
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while(*(*start)){
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if(unlikely(*(*start) == '"')){
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element->measureLen = (*start) - element->measure;
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break;
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}
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(*start)++;
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}
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}else if((*start)[1] == 't' && (*start)[2] == 'i'){
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(*start) += offset[index++];
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element->timestamp = *start;
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while(*(*start)){
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if(unlikely(*(*start) == ',' || *(*start) == '}' || (*(*start)) <= 32)){
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element->timestampLen = (*start) - element->timestamp;
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break;
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}
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(*start)++;
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}
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}else if((*start)[1] == 'v'){
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(*start) += offset[index++];
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element->cols = *start;
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while(*(*start)){
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if(unlikely( *(*start) == ',' || *(*start) == '}' || (*(*start)) <= 32)){
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element->colsLen = (*start) - element->cols;
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break;
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}
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(*start)++;
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}
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}else if((*start)[1] == 't' && (*start)[2] == 'a'){
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(*start) += offset[index++];
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element->tags = (*start);
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char* tmp = smlJsonGetObj((*start));
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if(tmp){
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element->tagsLen = tmp - (*start);
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*start = tmp;
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}
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break;
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}
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if(*(*start) == '}'){
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(*start)++;
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break;
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}
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(*start)++;
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}
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}
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static int32_t smlParseJSONString(SSmlHandle *info, char **start, SSmlLineInfo *elements) {
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int32_t ret = TSDB_CODE_SUCCESS;
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smlJsonParseObj(start, elements);
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if(info->offset[0] == 0){
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smlJsonParseObjFirst(start, elements, info->offset);
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}else{
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smlJsonParseObj(start, elements, info->offset);
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}
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if(**start == '\0') return TSDB_CODE_SUCCESS;
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SSmlKv kv = {.key = VALUE, .keyLen = VALUE_LEN, .value = elements->cols, .length = (size_t)elements->colsLen};
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@ -497,9 +497,14 @@ TEST(testCase, smlParseTelnetLine_diff_json_type2_Test) {
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};
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for (int i = 0; i < sizeof(sql) / sizeof(sql[0]); i++) {
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char *dataPointStart = (char *)sql[i];
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int8_t offset[4] = {0};
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while (1) {
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SSmlLineInfo elements = {0};
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smlJsonParseObj(&dataPointStart, &elements);
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if(offset[0] == 0){
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smlJsonParseObjFirst(&dataPointStart, &elements, offset);
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}else{
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smlJsonParseObj(&dataPointStart, &elements, offset);
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}
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if(*dataPointStart == '\0') break;
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SArray *tags = smlJsonParseTags(elements.tags, elements.tags + elements.tagsLen);
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