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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 7ceb5fa94e
commit b39688108e
1 changed files with 34 additions and 19 deletions
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53
src/client/src/tscParseOpenTSDB.c
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@ -613,24 +613,18 @@ int32_t parseTagsFromJSON(cJSON *root, TAOS_SML_KV **pKVs, int *num_kvs, char **
}
int32_t tscParseJSONPayload(const char* payload, TAOS_SML_DATA_POINT* pSml, SSmlLinesInfo* info) {
int32_t tscParseJSONPayload(cJSON *root, TAOS_SML_DATA_POINT* pSml, SSmlLinesInfo* info) {
int32_t ret = TSDB_CODE_SUCCESS;
if (payload == NULL) {
tscError("OTD:0x%"PRIx64" empty JSON Payload", info->id);
return TSDB_CODE_TSC_INVALID_JSON;
}
cJSON *root = cJSON_Parse(payload);
if (root == NULL) {
tscError("OTD:0x%"PRIx64" parsing JSON Payload error", info->id);
if (cJSON_IsObject(root)) {
tscError("OTD:0x%"PRIx64" data point needs to be JSON object", info->id);
return TSDB_CODE_TSC_INVALID_JSON;
}
int32_t size = cJSON_GetArraySize(root);
//outmost json fields has to be exactly 4
if (size != JSON_FIELDS_NUM) {
tscError("OTD:0x%"PRIx64" Invalid num of JSON fields in payload %d", info->id, size);
tscError("OTD:0x%"PRIx64" Invalid number of JSON fields in data point %d", info->id, size);
return TSDB_CODE_TSC_INVALID_JSON;
}
@ -670,17 +664,38 @@ int32_t tscParseJSONPayload(const char* payload, TAOS_SML_DATA_POINT* pSml, SSml
}
int32_t tscParseMultiJSONPayload(char* payload, SArray* points, SSmlLinesInfo* info) {
TAOS_SML_DATA_POINT point = {0};
int32_t code = tscParseJSONPayload(payload, &point, info);
if (code != TSDB_CODE_SUCCESS) {
tscError("OTD:0x%"PRIx64" data point line parse failed", info->id);
destroySmlDataPoint(&point);
return code;
} else {
tscDebug("OTD:0x%"PRIx64" data point line parse success", info->id);
int32_t payloadNum, ret;
if (payload == NULL) {
tscError("OTD:0x%"PRIx64" empty JSON Payload", info->id);
return TSDB_CODE_TSC_INVALID_JSON;
}
taosArrayPush(points, &point);
cJSON *root = cJSON_Parse(payload);
//multiple data points must be sent in JSON array
if (cJSON_IsObject(root)) {
payloadNum = 1;
} else if (cJSON_IsArray(root)) {
payloadNum = cJSON_GetArraySize(root);
} else {
tscError("OTD:0x%"PRIx64" invalid JSON Payload", info->id);
return TSDB_CODE_TSC_INVALID_JSON;
}
for (int32_t i = 0; i < payloadNum; ++i) {
TAOS_SML_DATA_POINT point = {0};
cJSON *dataPoint = (payloadNum == 1) ? root : cJSON_GetArrayItem(root, i);
ret = tscParseJSONPayload(dataPoint, &point, info);
if (ret != TSDB_CODE_SUCCESS) {
tscError("OTD:0x%"PRIx64" data point line parse failed", info->id);
destroySmlDataPoint(&point);
return ret;
} else {
tscDebug("OTD:0x%"PRIx64" data point line parse success", info->id);
}
taosArrayPush(points, &point);
}
return TSDB_CODE_SUCCESS;
}