242 lines
7.7 KiB
C
242 lines
7.7 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "clientSml.h"
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int32_t is_same_child_table_telnet(const void *a, const void *b) {
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SSmlLineInfo *t1 = (SSmlLineInfo *)a;
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SSmlLineInfo *t2 = (SSmlLineInfo *)b;
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if (t1 == NULL || t2 == NULL || t1->measure == NULL || t2->measure == NULL || t1->tags == NULL || t2->tags == NULL)
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return 1;
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return (((t1->measureLen == t2->measureLen) && memcmp(t1->measure, t2->measure, t1->measureLen) == 0) &&
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((t1->tagsLen == t2->tagsLen) && memcmp(t1->tags, t2->tags, t1->tagsLen) == 0))
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? 0
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: 1;
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}
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int64_t smlParseOpenTsdbTime(SSmlHandle *info, const char *data, int32_t len) {
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uint8_t toPrecision = info->currSTableMeta ? info->currSTableMeta->tableInfo.precision : TSDB_TIME_PRECISION_NANO;
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if (unlikely(!data)) {
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smlBuildInvalidDataMsg(&info->msgBuf, "timestamp can not be null", NULL);
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return -1;
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}
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if (unlikely(len == 1 && data[0] == '0')) {
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return taosGetTimestampNs() / smlFactorNS[toPrecision];
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}
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int8_t fromPrecision = smlGetTsTypeByLen(len);
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if (unlikely(fromPrecision == -1)) {
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smlBuildInvalidDataMsg(&info->msgBuf,
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"timestamp precision can only be seconds(10 digits) or milli seconds(13 digits)", data);
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return -1;
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}
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int64_t ts = smlGetTimeValue(data, len, fromPrecision, toPrecision);
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if (unlikely(ts == -1)) {
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smlBuildInvalidDataMsg(&info->msgBuf, "invalid timestamp", data);
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return -1;
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}
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return ts;
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}
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static void smlParseTelnetElement(char **sql, char *sqlEnd, char **data, int32_t *len) {
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while (*sql < sqlEnd) {
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if (unlikely((**sql != SPACE && !(*data)))) {
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*data = *sql;
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} else if (unlikely(**sql == SPACE && *data)) {
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*len = *sql - *data;
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break;
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}
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(*sql)++;
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}
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}
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static int32_t smlProcessTagTelnet(SSmlHandle *info, char *data, char *sqlEnd){
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SArray *preLineKV = info->preLineTagKV;
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taosArrayClearEx(preLineKV, freeSSmlKv);
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int cnt = 0;
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const char *sql = data;
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while (sql < sqlEnd) {
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JUMP_SPACE(sql, sqlEnd)
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if (unlikely(*sql == '\0' || *sql == '\n')) break;
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const char *key = sql;
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size_t keyLen = 0;
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// parse key
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while (sql < sqlEnd) {
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if (unlikely(*sql == SPACE)) {
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smlBuildInvalidDataMsg(&info->msgBuf, "invalid data", sql);
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return TSDB_CODE_SML_INVALID_DATA;
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}
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if (unlikely(*sql == EQUAL)) {
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keyLen = sql - key;
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sql++;
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break;
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}
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sql++;
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}
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if (unlikely(IS_INVALID_COL_LEN(keyLen))) {
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smlBuildInvalidDataMsg(&info->msgBuf, "invalid key or key is too long than 64", key);
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return TSDB_CODE_TSC_INVALID_COLUMN_LENGTH;
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}
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// parse value
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const char *value = sql;
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size_t valueLen = 0;
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while (sql < sqlEnd) {
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// parse value
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if (unlikely(*sql == SPACE)) {
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break;
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}
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if (unlikely(*sql == EQUAL)) {
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smlBuildInvalidDataMsg(&info->msgBuf, "invalid data", sql);
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return TSDB_CODE_SML_INVALID_DATA;
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}
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sql++;
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}
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valueLen = sql - value;
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if (unlikely(valueLen == 0)) {
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smlBuildInvalidDataMsg(&info->msgBuf, "invalid value", value);
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return TSDB_CODE_TSC_INVALID_VALUE;
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}
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if (unlikely(valueLen > (TSDB_MAX_TAGS_LEN - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE)) {
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return TSDB_CODE_PAR_INVALID_VAR_COLUMN_LEN;
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}
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SSmlKv kv = {.key = key,
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.keyLen = keyLen,
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.type = TSDB_DATA_TYPE_NCHAR,
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.value = value,
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.length = valueLen,
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.keyEscaped = false,
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.valueEscaped = false};
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if (taosArrayPush(preLineKV, &kv) == NULL){
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return terrno;
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}
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if (info->dataFormat && !isSmlTagAligned(info, cnt, &kv)) {
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return TSDB_CODE_SML_INVALID_DATA;
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}
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cnt++;
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}
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return TSDB_CODE_SUCCESS;
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}
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static int32_t smlParseTelnetTags(SSmlHandle *info, char *data, char *sqlEnd, SSmlLineInfo *elements) {
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if (is_same_child_table_telnet(elements, &info->preLine) == 0) {
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elements->measureTag = info->preLine.measureTag;
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return TSDB_CODE_SUCCESS;
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}
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int32_t code = 0;
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int32_t lino = 0;
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if(info->dataFormat){
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SML_CHECK_CODE(smlProcessSuperTable(info, elements));
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}
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SML_CHECK_CODE(smlProcessTagTelnet(info, data, sqlEnd));
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SML_CHECK_CODE(smlJoinMeasureTag(elements));
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code = smlProcessChildTable(info, elements);
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END:
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if(info->reRun){
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return TSDB_CODE_SUCCESS;
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}
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RETURN
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}
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// format: <metric> <timestamp> <value> <tagk_1>=<tagv_1>[ <tagk_n>=<tagv_n>]
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int32_t smlParseTelnetString(SSmlHandle *info, char *sql, char *sqlEnd, SSmlLineInfo *elements) {
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if (!sql) return TSDB_CODE_SML_INVALID_DATA;
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// parse metric
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smlParseTelnetElement(&sql, sqlEnd, &elements->measure, &elements->measureLen);
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if (unlikely((!(elements->measure) || IS_INVALID_TABLE_LEN(elements->measureLen)))) {
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smlBuildInvalidDataMsg(&info->msgBuf, "SML telnet invalid measure", sql);
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return TSDB_CODE_TSC_INVALID_TABLE_ID_LENGTH;
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}
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// parse timestamp
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smlParseTelnetElement(&sql, sqlEnd, &elements->timestamp, &elements->timestampLen);
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if (unlikely(!elements->timestamp || elements->timestampLen == 0)) {
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smlBuildInvalidDataMsg(&info->msgBuf, "SML telnet invalid timestamp", sql);
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return TSDB_CODE_SML_INVALID_DATA;
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}
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bool needConverTime = false; // get TS before parse tag(get meta), so need convert time
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if (info->dataFormat && info->currSTableMeta == NULL) {
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needConverTime = true;
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}
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int64_t ts = smlParseOpenTsdbTime(info, elements->timestamp, elements->timestampLen);
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if (unlikely(ts < 0)) {
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smlBuildInvalidDataMsg(&info->msgBuf, "SML telnet parse timestamp failed", sql);
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return TSDB_CODE_INVALID_TIMESTAMP;
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}
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// parse value
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smlParseTelnetElement(&sql, sqlEnd, &elements->cols, &elements->colsLen);
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if (unlikely(!elements->cols || elements->colsLen == 0)) {
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smlBuildInvalidDataMsg(&info->msgBuf, "SML telnet invalid value", sql);
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return TSDB_CODE_TSC_INVALID_VALUE;
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}
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SSmlKv kv = {.key = VALUE, .keyLen = VALUE_LEN, .value = elements->cols, .length = (size_t)elements->colsLen};
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int ret = smlParseValue(&kv, &info->msgBuf);
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if (ret != TSDB_CODE_SUCCESS) {
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uError("SML:0x%" PRIx64 " %s parse value error:%d.", info->id, __FUNCTION__, ret);
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return TSDB_CODE_TSC_INVALID_VALUE;
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}
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JUMP_SPACE(sql, sqlEnd)
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elements->tags = sql;
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elements->tagsLen = sqlEnd - sql;
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if (unlikely(!elements->tags || elements->tagsLen == 0)) {
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smlBuildInvalidDataMsg(&info->msgBuf, "SML telnet invalid tag value", sql);
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return TSDB_CODE_TSC_INVALID_VALUE;
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}
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ret = smlParseTelnetTags(info, sql, sqlEnd, elements);
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if (unlikely(ret != TSDB_CODE_SUCCESS)) {
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return ret;
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}
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if (unlikely(info->reRun)) {
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return TSDB_CODE_SUCCESS;
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}
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SSmlKv kvTs = {0};
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smlBuildTsKv(&kvTs, ts);
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if (needConverTime && info->currSTableMeta != NULL) {
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kvTs.i = convertTimePrecision(kvTs.i, TSDB_TIME_PRECISION_NANO, info->currSTableMeta->tableInfo.precision);
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}
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if (info->dataFormat){
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ret = smlParseEndTelnetJsonFormat(info, elements, &kvTs, &kv);
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} else {
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ret = smlParseEndTelnetJsonUnFormat(info, elements, &kvTs, &kv);
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}
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info->preLine = *elements;
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return ret;
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} |