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[TD-6443]<feature>: Support OpenTSDB HTTP JSON data import format

This commit is contained in:
Ganlin Zhao 2021-09-06 12:32:49 +08:00
parent 42d2715355
commit 691bab64ba
1 changed files with 44 additions and 4 deletions
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48
src/client/src/tscParseOpenTSDB.c
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@ -13,7 +13,7 @@
#include "tscParseLine.h"
#define MAX_TELNET_FILEDS_NUM 2
#define MAX_FILEDS_NUM 2
#define OTS_TIMESTAMP_COLUMN_NAME "ts"
#define OTS_METRIC_VALUE_COLUMN_NAME "value"
@ -83,7 +83,7 @@ static int32_t parseTelnetTimeStamp(TAOS_SML_KV **pTS, int *num_kvs, const char
start = cur = *index;
//allocate fields for timestamp and value
*pTS = tcalloc(MAX_TELNET_FILEDS_NUM, sizeof(TAOS_SML_KV));
*pTS = tcalloc(MAX_FILEDS_NUM, sizeof(TAOS_SML_KV));
while(*cur != '\0') {
if (*cur == ' ') {
@ -434,7 +434,7 @@ int32_t parseMetricFromJSON(cJSON *root, TAOS_SML_DATA_POINT* pSml, SSmlLinesInf
int32_t stableLen = strlen(metric->valuestring);
if (stableLen > TSDB_TABLE_NAME_LEN) {
tscError("OTD:0x%"PRIx64" Metric cannot exceeds 193 characters", info->id);
tscError("OTD:0x%"PRIx64" Metric cannot exceeds 193 characters in JSON", info->id);
return TSDB_CODE_TSC_INVALID_TABLE_ID_LENGTH;
}
@ -444,7 +444,7 @@ int32_t parseMetricFromJSON(cJSON *root, TAOS_SML_DATA_POINT* pSml, SSmlLinesInf
}
if (isdigit(metric->valuestring[0])) {
tscError("OTD:0x%"PRIx64" Metric cannnot start with digit", info->id);
tscError("OTD:0x%"PRIx64" Metric cannnot start with digit in JSON", info->id);
tfree(pSml->stableName);
return TSDB_CODE_TSC_INVALID_JSON;
}
@ -455,6 +455,46 @@ int32_t parseMetricFromJSON(cJSON *root, TAOS_SML_DATA_POINT* pSml, SSmlLinesInf
}
int32_t parseTimestampFromJSON(cJSON *root, TAOS_SML_KV **pTS, int *num_kvs, SSmlLinesInfo* info) {
//Timestamp must be the first KV to parse
assert(*num_kvs == 0);
int64_t tsVal;
char key[] = OTS_TIMESTAMP_COLUMN_NAME;
cJSON *timestamp = cJSON_GetObjectItem(root, "timestamp");
if (timestamp == NULL || timestamp->type != cJSON_Number) {
tscError("OTD:0x%"PRIx64" failed to parse timestamp from JSON Payload", info->id);
return TSDB_CODE_TSC_INVALID_JSON;
}
//allocate fields for timestamp and value
*pTS = tcalloc(MAX_FILEDS_NUM, sizeof(TAOS_SML_KV));
tsVal = convertTimePrecision(timestamp->valueint, TSDB_TIME_PRECISION_MICRO, TSDB_TIME_PRECISION_NANO);
(*pTS)->key = tcalloc(sizeof(key), 1);
if ((*pTS)->key == NULL){
tfree(*pTS);
return TSDB_CODE_TSC_OUT_OF_MEMORY;
}
memcpy((*pTS)->key, key, sizeof(key));
(*pTS)->type = TSDB_DATA_TYPE_TIMESTAMP;
(*pTS)->length = (int16_t)tDataTypes[(*pTS)->type].bytes;
(*pTS)->value = tcalloc((*pTS)->length, 1);
if ((*pTS)->value == NULL){
tfree((*pTS)->key);
tfree(*pTS);
return TSDB_CODE_TSC_OUT_OF_MEMORY;
}
memcpy((*pTS)->value, &tsVal, (*pTS)->length);
*num_kvs += 1;
return TSDB_CODE_SUCCESS;
}
int32_t tscParseJSONPayload(const char* payload, TAOS_SML_DATA_POINT* smlData, SSmlLinesInfo* info) {
int32_t ret = TSDB_CODE_SUCCESS;