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homework-jianmu/source/client/src/tmq.c

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/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cJSON.h"
#include "clientInt.h"
#include "clientLog.h"
#include "parser.h"
#include "tdatablock.h"
#include "tdef.h"
#include "tglobal.h"
#include "tmsgtype.h"
#include "tqueue.h"
#include "tref.h"
#include "ttimer.h"
int32_t tmqAskEp(tmq_t* tmq, bool async);
typedef struct {
int8_t inited;
tmr_h timer;
} SMqMgmt;
static SMqMgmt tmqMgmt = {0};
typedef struct {
int8_t tmqRspType;
int32_t epoch;
} SMqRspWrapper;
typedef struct {
int8_t tmqRspType;
int32_t epoch;
SMqAskEpRsp msg;
} SMqAskEpRspWrapper;
struct tmq_list_t {
SArray container;
};
struct tmq_conf_t {
char clientId[256];
char groupId[TSDB_CGROUP_LEN];
int8_t autoCommit;
int8_t resetOffset;
int8_t withTbName;
int8_t spEnable;
int32_t spBatchSize;
uint16_t port;
int32_t autoCommitInterval;
char* ip;
char* user;
char* pass;
tmq_commit_cb* commitCb;
void* commitCbUserParam;
};
struct tmq_t {
// conf
char groupId[TSDB_CGROUP_LEN];
char clientId[256];
int8_t withTbName;
int8_t useSnapshot;
int8_t autoCommit;
int32_t autoCommitInterval;
int32_t resetOffsetCfg;
int64_t consumerId;
tmq_commit_cb* commitCb;
void* commitCbUserParam;
// status
int8_t status;
int32_t epoch;
#if 0
int8_t epStatus;
int32_t epSkipCnt;
#endif
int64_t pollCnt;
// timer
tmr_h hbTimer;
tmr_h reportTimer;
tmr_h commitTimer;
// connection
STscObj* pTscObj;
// container
SArray* clientTopics; // SArray<SMqClientTopic>
STaosQueue* mqueue; // queue of rsp
STaosQall* qall;
STaosQueue* delayedTask; // delayed task queue for heartbeat and auto commit
// ctl
tsem_t rspSem;
};
struct tmq_raw_data {
void* raw_meta;
int32_t raw_meta_len;
int16_t raw_meta_type;
};
enum {
TMQ_VG_STATUS__IDLE = 0,
TMQ_VG_STATUS__WAIT,
};
enum {
TMQ_CONSUMER_STATUS__INIT = 0,
TMQ_CONSUMER_STATUS__READY,
TMQ_CONSUMER_STATUS__NO_TOPIC,
};
enum {
TMQ_DELAYED_TASK__HB = 1,
TMQ_DELAYED_TASK__REPORT,
TMQ_DELAYED_TASK__COMMIT,
};
typedef struct {
// statistics
int64_t pollCnt;
// offset
/*int64_t committedOffset;*/
/*int64_t currentOffset;*/
STqOffsetVal committedOffsetNew;
STqOffsetVal currentOffsetNew;
// connection info
int32_t vgId;
int32_t vgStatus;
int32_t vgSkipCnt;
SEpSet epSet;
} SMqClientVg;
typedef struct {
// subscribe info
char* topicName;
char db[TSDB_DB_FNAME_LEN];
SArray* vgs; // SArray<SMqClientVg>
int8_t isSchemaAdaptive;
SSchemaWrapper schema;
} SMqClientTopic;
typedef struct {
int8_t tmqRspType;
int32_t epoch;
SMqClientVg* vgHandle;
SMqClientTopic* topicHandle;
union {
SMqDataRsp dataRsp;
SMqMetaRsp metaRsp;
};
} SMqPollRspWrapper;
typedef struct {
tmq_t* tmq;
tsem_t rspSem;
int32_t rspErr;
} SMqSubscribeCbParam;
typedef struct {
tmq_t* tmq;
int32_t code;
int32_t async;
tsem_t rspSem;
} SMqAskEpCbParam;
typedef struct {
tmq_t* tmq;
SMqClientVg* pVg;
SMqClientTopic* pTopic;
int32_t epoch;
int32_t vgId;
tsem_t rspSem;
} SMqPollCbParam;
#if 0
typedef struct {
tmq_t* tmq;
int8_t async;
int8_t automatic;
int8_t freeOffsets;
tmq_commit_cb* userCb;
tsem_t rspSem;
int32_t rspErr;
SArray* offsets;
void* userParam;
} SMqCommitCbParam;
#endif
typedef struct {
tmq_t* tmq;
int8_t automatic;
int8_t async;
/*int8_t freeOffsets;*/
int32_t waitingRspNum;
int32_t totalRspNum;
int32_t rspErr;
tmq_commit_cb* userCb;
/*SArray* successfulOffsets;*/
/*SArray* failedOffsets;*/
void* userParam;
tsem_t rspSem;
} SMqCommitCbParamSet;
typedef struct {
SMqCommitCbParamSet* params;
STqOffset* pOffset;
} SMqCommitCbParam2;
tmq_conf_t* tmq_conf_new() {
tmq_conf_t* conf = taosMemoryCalloc(1, sizeof(tmq_conf_t));
conf->withTbName = false;
conf->autoCommit = true;
conf->autoCommitInterval = 5000;
conf->resetOffset = TMQ_CONF__RESET_OFFSET__EARLIEAST;
return conf;
}
void tmq_conf_destroy(tmq_conf_t* conf) {
if (conf) {
if (conf->ip) taosMemoryFree(conf->ip);
if (conf->user) taosMemoryFree(conf->user);
if (conf->pass) taosMemoryFree(conf->pass);
taosMemoryFree(conf);
}
}
tmq_conf_res_t tmq_conf_set(tmq_conf_t* conf, const char* key, const char* value) {
if (strcmp(key, "group.id") == 0) {
strcpy(conf->groupId, value);
return TMQ_CONF_OK;
}
if (strcmp(key, "client.id") == 0) {
strcpy(conf->clientId, value);
return TMQ_CONF_OK;
}
if (strcmp(key, "enable.auto.commit") == 0) {
if (strcmp(value, "true") == 0) {
conf->autoCommit = true;
return TMQ_CONF_OK;
} else if (strcmp(value, "false") == 0) {
conf->autoCommit = false;
return TMQ_CONF_OK;
} else {
return TMQ_CONF_INVALID;
}
}
if (strcmp(key, "auto.commit.interval.ms") == 0) {
conf->autoCommitInterval = atoi(value);
return TMQ_CONF_OK;
}
if (strcmp(key, "auto.offset.reset") == 0) {
if (strcmp(value, "none") == 0) {
conf->resetOffset = TMQ_CONF__RESET_OFFSET__NONE;
return TMQ_CONF_OK;
} else if (strcmp(value, "earliest") == 0) {
conf->resetOffset = TMQ_CONF__RESET_OFFSET__EARLIEAST;
return TMQ_CONF_OK;
} else if (strcmp(value, "latest") == 0) {
conf->resetOffset = TMQ_CONF__RESET_OFFSET__LATEST;
return TMQ_CONF_OK;
} else {
return TMQ_CONF_INVALID;
}
}
if (strcmp(key, "msg.with.table.name") == 0) {
if (strcmp(value, "true") == 0) {
conf->withTbName = true;
return TMQ_CONF_OK;
} else if (strcmp(value, "false") == 0) {
conf->withTbName = false;
return TMQ_CONF_OK;
} else {
return TMQ_CONF_INVALID;
}
}
if (strcmp(key, "experimental.snapshot.enable") == 0) {
if (strcmp(value, "true") == 0) {
conf->spEnable = true;
return TMQ_CONF_OK;
} else if (strcmp(value, "false") == 0) {
conf->spEnable = false;
return TMQ_CONF_OK;
} else {
return TMQ_CONF_INVALID;
}
}
if (strcmp(key, "experimental.snapshot.batch.size") == 0) {
conf->spBatchSize = atoi(value);
return TMQ_CONF_OK;
}
if (strcmp(key, "td.connect.ip") == 0) {
conf->ip = strdup(value);
return TMQ_CONF_OK;
}
if (strcmp(key, "td.connect.user") == 0) {
conf->user = strdup(value);
return TMQ_CONF_OK;
}
if (strcmp(key, "td.connect.pass") == 0) {
conf->pass = strdup(value);
return TMQ_CONF_OK;
}
if (strcmp(key, "td.connect.port") == 0) {
conf->port = atoi(value);
return TMQ_CONF_OK;
}
if (strcmp(key, "td.connect.db") == 0) {
/*conf->db = strdup(value);*/
return TMQ_CONF_OK;
}
return TMQ_CONF_UNKNOWN;
}
tmq_list_t* tmq_list_new() {
//
return (tmq_list_t*)taosArrayInit(0, sizeof(void*));
}
int32_t tmq_list_append(tmq_list_t* list, const char* src) {
SArray* container = &list->container;
char* topic = strDupUnquo(src);
if (taosArrayPush(container, &topic) == NULL) return -1;
return 0;
}
void tmq_list_destroy(tmq_list_t* list) {
SArray* container = &list->container;
taosArrayDestroyP(container, taosMemoryFree);
}
int32_t tmq_list_get_size(const tmq_list_t* list) {
const SArray* container = &list->container;
return taosArrayGetSize(container);
}
char** tmq_list_to_c_array(const tmq_list_t* list) {
const SArray* container = &list->container;
return container->pData;
}
static int32_t tmqMakeTopicVgKey(char* dst, const char* topicName, int32_t vg) {
return sprintf(dst, "%s:%d", topicName, vg);
}
#if 0
int32_t tmqCommitCb(void* param, const SDataBuf* pMsg, int32_t code) {
SMqCommitCbParam* pParam = (SMqCommitCbParam*)param;
pParam->rspErr = code;
if (pParam->async) {
if (pParam->automatic && pParam->tmq->commitCb) {
pParam->tmq->commitCb(pParam->tmq, pParam->rspErr, pParam->tmq->commitCbUserParam);
} else if (!pParam->automatic && pParam->userCb) {
pParam->userCb(pParam->tmq, pParam->rspErr, pParam->userParam);
}
if (pParam->freeOffsets) {
taosArrayDestroy(pParam->offsets);
}
taosMemoryFree(pParam);
} else {
tsem_post(&pParam->rspSem);
}
return 0;
}
#endif
int32_t tmqCommitCb2(void* param, SDataBuf* pBuf, int32_t code) {
SMqCommitCbParam2* pParam = (SMqCommitCbParam2*)param;
SMqCommitCbParamSet* pParamSet = (SMqCommitCbParamSet*)pParam->params;
// push into array
#if 0
if (code == 0) {
taosArrayPush(pParamSet->failedOffsets, &pParam->pOffset);
} else {
taosArrayPush(pParamSet->successfulOffsets, &pParam->pOffset);
}
#endif
/*tscDebug("receive offset commit cb of %s on vgId:%d, offset is %" PRId64, pParam->pOffset->subKey, pParam->->vgId,
* pOffset->version);*/
// count down waiting rsp
int32_t waitingRspNum = atomic_sub_fetch_32(&pParamSet->waitingRspNum, 1);
ASSERT(waitingRspNum >= 0);
if (waitingRspNum == 0) {
// if no more waiting rsp
if (pParamSet->async) {
// call async cb func
if (pParamSet->automatic && pParamSet->tmq->commitCb) {
pParamSet->tmq->commitCb(pParamSet->tmq, pParamSet->rspErr, pParamSet->tmq->commitCbUserParam);
} else if (!pParamSet->automatic && pParamSet->userCb) {
// sem post
pParamSet->userCb(pParamSet->tmq, pParamSet->rspErr, pParamSet->userParam);
}
} else {
tsem_post(&pParamSet->rspSem);
}
#if 0
taosArrayDestroyP(pParamSet->successfulOffsets, taosMemoryFree);
taosArrayDestroyP(pParamSet->failedOffsets, taosMemoryFree);
#endif
}
return 0;
}
static int32_t tmqSendCommitReq(tmq_t* tmq, SMqClientVg* pVg, SMqClientTopic* pTopic, SMqCommitCbParamSet* pParamSet) {
STqOffset* pOffset = taosMemoryCalloc(1, sizeof(STqOffset));
if (pOffset == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
pOffset->val = pVg->currentOffsetNew;
int32_t groupLen = strlen(tmq->groupId);
memcpy(pOffset->subKey, tmq->groupId, groupLen);
pOffset->subKey[groupLen] = TMQ_SEPARATOR;
strcpy(pOffset->subKey + groupLen + 1, pTopic->topicName);
int32_t len;
int32_t code;
tEncodeSize(tEncodeSTqOffset, pOffset, len, code);
if (code < 0) {
ASSERT(0);
return -1;
}
void* buf = taosMemoryCalloc(1, sizeof(SMsgHead) + len);
if (buf == NULL) return -1;
((SMsgHead*)buf)->vgId = htonl(pVg->vgId);
void* abuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
SEncoder encoder;
tEncoderInit(&encoder, abuf, len);
tEncodeSTqOffset(&encoder, pOffset);
// build param
SMqCommitCbParam2* pParam = taosMemoryCalloc(1, sizeof(SMqCommitCbParam2));
pParam->params = pParamSet;
pParam->pOffset = pOffset;
// build send info
SMsgSendInfo* pMsgSendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
if (pMsgSendInfo == NULL) {
return -1;
}
pMsgSendInfo->msgInfo = (SDataBuf){
.pData = buf,
.len = sizeof(SMsgHead) + len,
.handle = NULL,
};
tscDebug("consumer:%" PRId64 ", commit offset of %s on vgId:%d, offset is %" PRId64, tmq->consumerId, pOffset->subKey,
pVg->vgId, pOffset->val.version);
// TODO: put into cb
pVg->committedOffsetNew = pVg->currentOffsetNew;
pMsgSendInfo->requestId = generateRequestId();
pMsgSendInfo->requestObjRefId = 0;
pMsgSendInfo->param = pParam;
pMsgSendInfo->fp = tmqCommitCb2;
pMsgSendInfo->msgType = TDMT_VND_MQ_COMMIT_OFFSET;
// send msg
int64_t transporterId = 0;
asyncSendMsgToServer(tmq->pTscObj->pAppInfo->pTransporter, &pVg->epSet, &transporterId, pMsgSendInfo);
pParamSet->waitingRspNum++;
pParamSet->totalRspNum++;
return 0;
}
int32_t tmqCommitMsgImpl(tmq_t* tmq, const TAOS_RES* msg, int8_t async, tmq_commit_cb* userCb, void* userParam) {
char* topic;
int32_t vgId;
ASSERT(msg != NULL);
if (TD_RES_TMQ(msg)) {
SMqRspObj* pRspObj = (SMqRspObj*)msg;
topic = pRspObj->topic;
vgId = pRspObj->vgId;
} else if (TD_RES_TMQ_META(msg)) {
SMqMetaRspObj* pMetaRspObj = (SMqMetaRspObj*)msg;
topic = pMetaRspObj->topic;
vgId = pMetaRspObj->vgId;
} else {
return TSDB_CODE_TMQ_INVALID_MSG;
}
SMqCommitCbParamSet* pParamSet = taosMemoryCalloc(1, sizeof(SMqCommitCbParamSet));
if (pParamSet == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
pParamSet->tmq = tmq;
pParamSet->automatic = 0;
pParamSet->async = async;
/*pParamSet->freeOffsets = 1;*/
pParamSet->userCb = userCb;
pParamSet->userParam = userParam;
tsem_init(&pParamSet->rspSem, 0, 0);
int32_t code = -1;
for (int32_t i = 0; i < taosArrayGetSize(tmq->clientTopics); i++) {
SMqClientTopic* pTopic = taosArrayGet(tmq->clientTopics, i);
if (strcmp(pTopic->topicName, topic) != 0) continue;
for (int32_t j = 0; j < taosArrayGetSize(pTopic->vgs); j++) {
SMqClientVg* pVg = taosArrayGet(pTopic->vgs, j);
if (pVg->vgId != vgId) continue;
if (pVg->currentOffsetNew.type > 0 && !tOffsetEqual(&pVg->currentOffsetNew, &pVg->committedOffsetNew)) {
if (tmqSendCommitReq(tmq, pVg, pTopic, pParamSet) < 0) {
goto FAIL;
}
goto HANDLE_RSP;
}
}
}
HANDLE_RSP:
if (pParamSet->totalRspNum == 0) {
tsem_destroy(&pParamSet->rspSem);
taosMemoryFree(pParamSet);
return 0;
}
if (!async) {
tsem_wait(&pParamSet->rspSem);
code = pParamSet->rspErr;
tsem_destroy(&pParamSet->rspSem);
return code;
} else {
code = 0;
}
FAIL:
if (code != 0 && async) {
userCb(tmq, code, userParam);
}
return 0;
}
int32_t tmqCommitInner2(tmq_t* tmq, const TAOS_RES* msg, int8_t automatic, int8_t async, tmq_commit_cb* userCb,
void* userParam) {
int32_t code = -1;
if (msg != NULL) {
return tmqCommitMsgImpl(tmq, msg, async, userCb, userParam);
}
SMqCommitCbParamSet* pParamSet = taosMemoryCalloc(1, sizeof(SMqCommitCbParamSet));
if (pParamSet == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
pParamSet->tmq = tmq;
pParamSet->automatic = automatic;
pParamSet->async = async;
/*pParamSet->freeOffsets = 1;*/
pParamSet->userCb = userCb;
pParamSet->userParam = userParam;
tsem_init(&pParamSet->rspSem, 0, 0);
for (int32_t i = 0; i < taosArrayGetSize(tmq->clientTopics); i++) {
SMqClientTopic* pTopic = taosArrayGet(tmq->clientTopics, i);
tscDebug("consumer:%" PRId64 ", begin commit for topic %s, vgNum %d", tmq->consumerId, pTopic->topicName,
(int32_t)taosArrayGetSize(pTopic->vgs));
for (int32_t j = 0; j < taosArrayGetSize(pTopic->vgs); j++) {
SMqClientVg* pVg = taosArrayGet(pTopic->vgs, j);
tscDebug("consumer:%" PRId64 ", begin commit for topic %s, vgId:%d", tmq->consumerId, pTopic->topicName,
pVg->vgId);
if (pVg->currentOffsetNew.type > 0 && !tOffsetEqual(&pVg->currentOffsetNew, &pVg->committedOffsetNew)) {
if (tmqSendCommitReq(tmq, pVg, pTopic, pParamSet) < 0) {
continue;
}
}
}
}
if (pParamSet->totalRspNum == 0) {
tsem_destroy(&pParamSet->rspSem);
taosMemoryFree(pParamSet);
return 0;
}
if (!async) {
tsem_wait(&pParamSet->rspSem);
code = pParamSet->rspErr;
tsem_destroy(&pParamSet->rspSem);
} else {
code = 0;
}
if (code != 0 && async) {
if (automatic) {
tmq->commitCb(tmq, code, tmq->commitCbUserParam);
} else {
userCb(tmq, code, userParam);
}
}
#if 0
if (!async) {
taosArrayDestroyP(pParamSet->successfulOffsets, taosMemoryFree);
taosArrayDestroyP(pParamSet->failedOffsets, taosMemoryFree);
}
#endif
return 0;
}
#if 0
int32_t tmqCommitInner(tmq_t* tmq, const TAOS_RES* msg, int8_t automatic, int8_t async,
tmq_commit_cb* userCb, void* userParam) {
SMqCMCommitOffsetReq req;
SArray* pOffsets = NULL;
void* buf = NULL;
SMqCommitCbParam* pParam = NULL;
SMsgSendInfo* sendInfo = NULL;
int8_t freeOffsets;
int32_t code = -1;
if (msg == NULL) {
freeOffsets = 1;
pOffsets = taosArrayInit(0, sizeof(SMqOffset));
for (int32_t i = 0; i < taosArrayGetSize(tmq->clientTopics); i++) {
SMqClientTopic* pTopic = taosArrayGet(tmq->clientTopics, i);
for (int32_t j = 0; j < taosArrayGetSize(pTopic->vgs); j++) {
SMqClientVg* pVg = taosArrayGet(pTopic->vgs, j);
SMqOffset offset;
tstrncpy(offset.topicName, pTopic->topicName, TSDB_TOPIC_FNAME_LEN);
tstrncpy(offset.cgroup, tmq->groupId, TSDB_CGROUP_LEN);
offset.vgId = pVg->vgId;
offset.offset = pVg->currentOffset;
taosArrayPush(pOffsets, &offset);
}
}
} else {
freeOffsets = 0;
pOffsets = (SArray*)&msg->container;
}
req.num = (int32_t)pOffsets->size;
req.offsets = pOffsets->pData;
SEncoder encoder;
tEncoderInit(&encoder, NULL, 0);
code = tEncodeSMqCMCommitOffsetReq(&encoder, &req);
if (code < 0) {
goto END;
}
int32_t tlen = encoder.pos;
buf = taosMemoryMalloc(tlen);
if (buf == NULL) {
tEncoderClear(&encoder);
goto END;
}
tEncoderClear(&encoder);
tEncoderInit(&encoder, buf, tlen);
tEncodeSMqCMCommitOffsetReq(&encoder, &req);
tEncoderClear(&encoder);
pParam = taosMemoryCalloc(1, sizeof(SMqCommitCbParam));
if (pParam == NULL) {
goto END;
}
pParam->tmq = tmq;
pParam->automatic = automatic;
pParam->async = async;
pParam->offsets = pOffsets;
pParam->freeOffsets = freeOffsets;
pParam->userCb = userCb;
pParam->userParam = userParam;
if (!async) tsem_init(&pParam->rspSem, 0, 0);
sendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
if (sendInfo == NULL) goto END;
sendInfo->msgInfo = (SDataBuf){
.pData = buf,
.len = tlen,
.handle = NULL,
};
sendInfo->requestId = generateRequestId();
sendInfo->requestObjRefId = 0;
sendInfo->param = pParam;
sendInfo->fp = tmqCommitCb;
sendInfo->msgType = TDMT_MND_MQ_COMMIT_OFFSET;
SEpSet epSet = getEpSet_s(&tmq->pTscObj->pAppInfo->mgmtEp);
int64_t transporterId = 0;
asyncSendMsgToServer(tmq->pTscObj->pAppInfo->pTransporter, &epSet, &transporterId, sendInfo);
if (!async) {
tsem_wait(&pParam->rspSem);
code = pParam->rspErr;
tsem_destroy(&pParam->rspSem);
taosMemoryFree(pParam);
} else {
code = 0;
}
// avoid double free if msg is sent
buf = NULL;
END:
if (buf) taosMemoryFree(buf);
/*if (pParam) taosMemoryFree(pParam);*/
/*if (sendInfo) taosMemoryFree(sendInfo);*/
if (code != 0 && async) {
if (automatic) {
tmq->commitCb(tmq, code, (tmq_topic_vgroup_list_t*)pOffsets, tmq->commitCbUserParam);
} else {
userCb(tmq, code, (tmq_topic_vgroup_list_t*)pOffsets, userParam);
}
}
if (!async && freeOffsets) {
taosArrayDestroy(pOffsets);
}
return code;
}
#endif
void tmqAssignDelayedHbTask(void* param, void* tmrId) {
tmq_t* tmq = (tmq_t*)param;
int8_t* pTaskType = taosAllocateQitem(sizeof(int8_t), DEF_QITEM);
*pTaskType = TMQ_DELAYED_TASK__HB;
taosWriteQitem(tmq->delayedTask, pTaskType);
tsem_post(&tmq->rspSem);
}
void tmqAssignDelayedCommitTask(void* param, void* tmrId) {
tmq_t* tmq = (tmq_t*)param;
int8_t* pTaskType = taosAllocateQitem(sizeof(int8_t), DEF_QITEM);
*pTaskType = TMQ_DELAYED_TASK__COMMIT;
taosWriteQitem(tmq->delayedTask, pTaskType);
tsem_post(&tmq->rspSem);
}
void tmqAssignDelayedReportTask(void* param, void* tmrId) {
tmq_t* tmq = (tmq_t*)param;
int8_t* pTaskType = taosAllocateQitem(sizeof(int8_t), DEF_QITEM);
*pTaskType = TMQ_DELAYED_TASK__REPORT;
taosWriteQitem(tmq->delayedTask, pTaskType);
tsem_post(&tmq->rspSem);
}
int32_t tmqHandleAllDelayedTask(tmq_t* tmq) {
STaosQall* qall = taosAllocateQall();
taosReadAllQitems(tmq->delayedTask, qall);
while (1) {
int8_t* pTaskType = NULL;
taosGetQitem(qall, (void**)&pTaskType);
if (pTaskType == NULL) break;
if (*pTaskType == TMQ_DELAYED_TASK__HB) {
tmqAskEp(tmq, true);
taosTmrReset(tmqAssignDelayedHbTask, 1000, tmq, tmqMgmt.timer, &tmq->hbTimer);
} else if (*pTaskType == TMQ_DELAYED_TASK__COMMIT) {
tmqCommitInner2(tmq, NULL, 1, 1, tmq->commitCb, tmq->commitCbUserParam);
taosTmrReset(tmqAssignDelayedCommitTask, tmq->autoCommitInterval, tmq, tmqMgmt.timer, &tmq->commitTimer);
} else if (*pTaskType == TMQ_DELAYED_TASK__REPORT) {
} else {
ASSERT(0);
}
taosFreeQitem(pTaskType);
}
taosFreeQall(qall);
return 0;
}
void tmqClearUnhandleMsg(tmq_t* tmq) {
SMqRspWrapper* msg = NULL;
while (1) {
taosGetQitem(tmq->qall, (void**)&msg);
if (msg)
taosFreeQitem(msg);
else
break;
}
msg = NULL;
taosReadAllQitems(tmq->mqueue, tmq->qall);
while (1) {
taosGetQitem(tmq->qall, (void**)&msg);
if (msg)
taosFreeQitem(msg);
else
break;
}
}
int32_t tmqSubscribeCb(void* param, SDataBuf* pMsg, int32_t code) {
SMqSubscribeCbParam* pParam = (SMqSubscribeCbParam*)param;
pParam->rspErr = code;
/*tmq_t* tmq = pParam->tmq;*/
tsem_post(&pParam->rspSem);
return 0;
}
int32_t tmq_subscription(tmq_t* tmq, tmq_list_t** topics) {
if (*topics == NULL) {
*topics = tmq_list_new();
}
for (int i = 0; i < taosArrayGetSize(tmq->clientTopics); i++) {
SMqClientTopic* topic = taosArrayGet(tmq->clientTopics, i);
tmq_list_append(*topics, strchr(topic->topicName, '.') + 1);
}
return 0;
}
int32_t tmq_unsubscribe(tmq_t* tmq) {
tmq_list_t* lst = tmq_list_new();
int32_t rsp = tmq_subscribe(tmq, lst);
tmq_list_destroy(lst);
return rsp;
}
#if 0
tmq_t* tmq_consumer_new(void* conn, tmq_conf_t* conf, char* errstr, int32_t errstrLen) {
tmq_t* pTmq = taosMemoryCalloc(sizeof(tmq_t), 1);
if (pTmq == NULL) {
return NULL;
}
pTmq->pTscObj = (STscObj*)conn;
pTmq->status = 0;
pTmq->pollCnt = 0;
pTmq->epoch = 0;
pTmq->epStatus = 0;
pTmq->epSkipCnt = 0;
// set conf
strcpy(pTmq->clientId, conf->clientId);
strcpy(pTmq->groupId, conf->groupId);
pTmq->autoCommit = conf->autoCommit;
pTmq->commit_cb = conf->commit_cb;
pTmq->resetOffsetCfg = conf->resetOffset;
pTmq->consumerId = generateRequestId() & (((uint64_t)-1) >> 1);
pTmq->clientTopics = taosArrayInit(0, sizeof(SMqClientTopic));
if (pTmq->clientTopics == NULL) {
taosMemoryFree(pTmq);
return NULL;
}
pTmq->mqueue = taosOpenQueue();
pTmq->qall = taosAllocateQall();
tsem_init(&pTmq->rspSem, 0, 0);
return pTmq;
}
#endif
tmq_t* tmq_consumer_new(tmq_conf_t* conf, char* errstr, int32_t errstrLen) {
// init timer
int8_t inited = atomic_val_compare_exchange_8(&tmqMgmt.inited, 0, 1);
if (inited == 0) {
tmqMgmt.timer = taosTmrInit(1000, 100, 360000, "TMQ");
if (tmqMgmt.timer == NULL) {
atomic_store_8(&tmqMgmt.inited, 0);
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
}
tmq_t* pTmq = taosMemoryCalloc(1, sizeof(tmq_t));
if (pTmq == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tscError("consumer %ld setup failed since %s, consumer group %s", pTmq->consumerId, terrstr(), pTmq->groupId);
return NULL;
}
const char* user = conf->user == NULL ? TSDB_DEFAULT_USER : conf->user;
const char* pass = conf->pass == NULL ? TSDB_DEFAULT_PASS : conf->pass;
ASSERT(user);
ASSERT(pass);
ASSERT(conf->groupId[0]);
pTmq->clientTopics = taosArrayInit(0, sizeof(SMqClientTopic));
pTmq->mqueue = taosOpenQueue();
pTmq->qall = taosAllocateQall();
pTmq->delayedTask = taosOpenQueue();
if (pTmq->clientTopics == NULL || pTmq->mqueue == NULL || pTmq->qall == NULL || pTmq->delayedTask == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tscError("consumer %ld setup failed since %s, consumer group %s", pTmq->consumerId, terrstr(), pTmq->groupId);
goto FAIL;
}
// init status
pTmq->status = TMQ_CONSUMER_STATUS__INIT;
pTmq->pollCnt = 0;
pTmq->epoch = 0;
/*pTmq->epStatus = 0;*/
/*pTmq->epSkipCnt = 0;*/
// set conf
strcpy(pTmq->clientId, conf->clientId);
strcpy(pTmq->groupId, conf->groupId);
pTmq->withTbName = conf->withTbName;
pTmq->useSnapshot = conf->spEnable;
pTmq->autoCommit = conf->autoCommit;
pTmq->autoCommitInterval = conf->autoCommitInterval;
pTmq->commitCb = conf->commitCb;
pTmq->commitCbUserParam = conf->commitCbUserParam;
pTmq->resetOffsetCfg = conf->resetOffset;
// assign consumerId
pTmq->consumerId = tGenIdPI64();
// init semaphore
if (tsem_init(&pTmq->rspSem, 0, 0) != 0) {
tscError("consumer %ld setup failed since %s, consumer group %s", pTmq->consumerId, terrstr(), pTmq->groupId);
goto FAIL;
}
// init connection
pTmq->pTscObj = taos_connect_internal(conf->ip, user, pass, NULL, NULL, conf->port, CONN_TYPE__TMQ);
if (pTmq->pTscObj == NULL) {
tscError("consumer %ld setup failed since %s, consumer group %s", pTmq->consumerId, terrstr(), pTmq->groupId);
tsem_destroy(&pTmq->rspSem);
goto FAIL;
}
tscInfo("consumer %ld is setup, consumer group %s", pTmq->consumerId, pTmq->groupId);
return pTmq;
FAIL:
if (pTmq->clientTopics) taosArrayDestroy(pTmq->clientTopics);
if (pTmq->mqueue) taosCloseQueue(pTmq->mqueue);
if (pTmq->delayedTask) taosCloseQueue(pTmq->delayedTask);
if (pTmq->qall) taosFreeQall(pTmq->qall);
taosMemoryFree(pTmq);
return NULL;
}
#if 0
int32_t tmq_commit(tmq_t* tmq, const tmq_topic_vgroup_list_t* offsets, int32_t async) {
return tmqCommitInner2(tmq, offsets, 0, async, tmq->commitCb, tmq->commitCbUserParam);
}
#endif
int32_t tmq_subscribe(tmq_t* tmq, const tmq_list_t* topic_list) {
const SArray* container = &topic_list->container;
int32_t sz = taosArrayGetSize(container);
void* buf = NULL;
SCMSubscribeReq req = {0};
int32_t code = -1;
req.consumerId = tmq->consumerId;
tstrncpy(req.cgroup, tmq->groupId, TSDB_CGROUP_LEN);
req.topicNames = taosArrayInit(sz, sizeof(void*));
if (req.topicNames == NULL) goto FAIL;
for (int32_t i = 0; i < sz; i++) {
char* topic = taosArrayGetP(container, i);
SName name = {0};
tNameSetDbName(&name, tmq->pTscObj->acctId, topic, strlen(topic));
char* topicFName = taosMemoryCalloc(1, TSDB_TOPIC_FNAME_LEN);
if (topicFName == NULL) {
goto FAIL;
}
tNameExtractFullName(&name, topicFName);
tscDebug("subscribe topic: %s", topicFName);
taosArrayPush(req.topicNames, &topicFName);
}
int32_t tlen = tSerializeSCMSubscribeReq(NULL, &req);
buf = taosMemoryMalloc(tlen);
if (buf == NULL) goto FAIL;
void* abuf = buf;
tSerializeSCMSubscribeReq(&abuf, &req);
SMsgSendInfo* sendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
if (sendInfo == NULL) goto FAIL;
SMqSubscribeCbParam param = {
.rspErr = 0,
.tmq = tmq,
};
if (tsem_init(&param.rspSem, 0, 0) != 0) goto FAIL;
sendInfo->msgInfo = (SDataBuf){
.pData = buf,
.len = tlen,
.handle = NULL,
};
sendInfo->requestId = generateRequestId();
sendInfo->requestObjRefId = 0;
sendInfo->param = &param;
sendInfo->fp = tmqSubscribeCb;
sendInfo->msgType = TDMT_MND_SUBSCRIBE;
SEpSet epSet = getEpSet_s(&tmq->pTscObj->pAppInfo->mgmtEp);
int64_t transporterId = 0;
asyncSendMsgToServer(tmq->pTscObj->pAppInfo->pTransporter, &epSet, &transporterId, sendInfo);
// avoid double free if msg is sent
buf = NULL;
tsem_wait(&param.rspSem);
tsem_destroy(&param.rspSem);
code = param.rspErr;
if (code != 0) goto FAIL;
while (TSDB_CODE_MND_CONSUMER_NOT_READY == tmqAskEp(tmq, false)) {
tscDebug("consumer not ready, retry");
taosMsleep(500);
}
// init hb timer
if (tmq->hbTimer == NULL) {
tmq->hbTimer = taosTmrStart(tmqAssignDelayedHbTask, 1000, tmq, tmqMgmt.timer);
}
// init auto commit timer
if (tmq->autoCommit && tmq->commitTimer == NULL) {
tmq->commitTimer = taosTmrStart(tmqAssignDelayedCommitTask, tmq->autoCommitInterval, tmq, tmqMgmt.timer);
}
code = 0;
FAIL:
if (req.topicNames != NULL) taosArrayDestroyP(req.topicNames, taosMemoryFree);
if (code != 0 && buf) {
taosMemoryFree(buf);
}
return code;
}
void tmq_conf_set_auto_commit_cb(tmq_conf_t* conf, tmq_commit_cb* cb, void* param) {
//
conf->commitCb = cb;
conf->commitCbUserParam = param;
}
#if 0
int32_t tmqGetSkipLogNum(tmq_message_t* tmq_message) {
if (tmq_message == NULL) return 0;
SMqPollRsp* pRsp = &tmq_message->msg;
return pRsp->skipLogNum;
}
#endif
int32_t tmqPollCb(void* param, SDataBuf* pMsg, int32_t code) {
SMqPollCbParam* pParam = (SMqPollCbParam*)param;
SMqClientVg* pVg = pParam->pVg;
SMqClientTopic* pTopic = pParam->pTopic;
tmq_t* tmq = pParam->tmq;
int32_t vgId = pParam->vgId;
int32_t epoch = pParam->epoch;
taosMemoryFree(pParam);
if (code != 0) {
tscWarn("msg discard from vgId:%d, epoch %d, code:%x", vgId, epoch, code);
if (pMsg->pData) taosMemoryFree(pMsg->pData);
if (code == TSDB_CODE_TQ_NO_COMMITTED_OFFSET) {
SMqPollRspWrapper* pRspWrapper = taosAllocateQitem(sizeof(SMqPollRspWrapper), DEF_QITEM);
if (pRspWrapper == NULL) {
taosMemoryFree(pMsg->pData);
tscWarn("msg discard from vgId:%d, epoch %d since out of memory", vgId, epoch);
goto CREATE_MSG_FAIL;
}
pRspWrapper->tmqRspType = TMQ_MSG_TYPE__END_RSP;
/*pRspWrapper->vgHandle = pVg;*/
/*pRspWrapper->topicHandle = pTopic;*/
taosWriteQitem(tmq->mqueue, pRspWrapper);
tsem_post(&tmq->rspSem);
}
goto CREATE_MSG_FAIL;
}
int32_t msgEpoch = ((SMqRspHead*)pMsg->pData)->epoch;
int32_t tmqEpoch = atomic_load_32(&tmq->epoch);
if (msgEpoch < tmqEpoch) {
// do not write into queue since updating epoch reset
tscWarn("msg discard from vgId:%d since from earlier epoch, rsp epoch %d, current epoch %d", vgId, msgEpoch,
tmqEpoch);
tsem_post(&tmq->rspSem);
taosMemoryFree(pMsg->pData);
return 0;
}
if (msgEpoch != tmqEpoch) {
tscWarn("mismatch rsp from vgId:%d, epoch %d, current epoch %d", vgId, msgEpoch, tmqEpoch);
}
// handle meta rsp
int8_t rspType = ((SMqRspHead*)pMsg->pData)->mqMsgType;
SMqPollRspWrapper* pRspWrapper = taosAllocateQitem(sizeof(SMqPollRspWrapper), DEF_QITEM);
if (pRspWrapper == NULL) {
taosMemoryFree(pMsg->pData);
tscWarn("msg discard from vgId:%d, epoch %d since out of memory", vgId, epoch);
goto CREATE_MSG_FAIL;
}
pRspWrapper->tmqRspType = rspType;
pRspWrapper->vgHandle = pVg;
pRspWrapper->topicHandle = pTopic;
if (rspType == TMQ_MSG_TYPE__POLL_RSP) {
SDecoder decoder;
tDecoderInit(&decoder, POINTER_SHIFT(pMsg->pData, sizeof(SMqRspHead)), pMsg->len - sizeof(SMqRspHead));
tDecodeSMqDataRsp(&decoder, &pRspWrapper->dataRsp);
memcpy(&pRspWrapper->dataRsp, pMsg->pData, sizeof(SMqRspHead));
} else {
ASSERT(rspType == TMQ_MSG_TYPE__POLL_META_RSP);
tDecodeSMqMetaRsp(POINTER_SHIFT(pMsg->pData, sizeof(SMqRspHead)), &pRspWrapper->metaRsp);
memcpy(&pRspWrapper->metaRsp, pMsg->pData, sizeof(SMqRspHead));
}
taosMemoryFree(pMsg->pData);
tscDebug("consumer:%" PRId64 ", recv poll: vgId:%d, req offset %" PRId64 ", rsp offset %" PRId64 " type %d",
tmq->consumerId, pVg->vgId, pRspWrapper->dataRsp.reqOffset.version, pRspWrapper->dataRsp.rspOffset.version,
rspType);
taosWriteQitem(tmq->mqueue, pRspWrapper);
tsem_post(&tmq->rspSem);
return 0;
CREATE_MSG_FAIL:
if (epoch == tmq->epoch) {
atomic_store_32(&pVg->vgStatus, TMQ_VG_STATUS__IDLE);
}
tsem_post(&tmq->rspSem);
return -1;
}
bool tmqUpdateEp2(tmq_t* tmq, int32_t epoch, SMqAskEpRsp* pRsp) {
bool set = false;
int32_t topicNumGet = taosArrayGetSize(pRsp->topics);
char vgKey[TSDB_TOPIC_FNAME_LEN + 22];
tscDebug("consumer:%" PRId64 ", update ep epoch %d to epoch %d, topic num:%d", tmq->consumerId, tmq->epoch, epoch,
topicNumGet);
SArray* newTopics = taosArrayInit(topicNumGet, sizeof(SMqClientTopic));
if (newTopics == NULL) {
return false;
}
SHashObj* pHash = taosHashInit(64, MurmurHash3_32, false, HASH_NO_LOCK);
if (pHash == NULL) {
taosArrayDestroy(newTopics);
return false;
}
int32_t topicNumCur = taosArrayGetSize(tmq->clientTopics);
for (int32_t i = 0; i < topicNumCur; i++) {
// find old topic
SMqClientTopic* pTopicCur = taosArrayGet(tmq->clientTopics, i);
if (pTopicCur->vgs) {
int32_t vgNumCur = taosArrayGetSize(pTopicCur->vgs);
tscDebug("consumer:%" PRId64 ", new vg num: %d", tmq->consumerId, vgNumCur);
for (int32_t j = 0; j < vgNumCur; j++) {
SMqClientVg* pVgCur = taosArrayGet(pTopicCur->vgs, j);
sprintf(vgKey, "%s:%d", pTopicCur->topicName, pVgCur->vgId);
char buf[80];
tFormatOffset(buf, 80, &pVgCur->currentOffsetNew);
tscDebug("consumer:%" PRId64 ", epoch %d vgId:%d vgKey is %s, offset is %s", tmq->consumerId, epoch,
pVgCur->vgId, vgKey, buf);
taosHashPut(pHash, vgKey, strlen(vgKey), &pVgCur->currentOffsetNew, sizeof(STqOffsetVal));
}
}
}
for (int32_t i = 0; i < topicNumGet; i++) {
SMqClientTopic topic = {0};
SMqSubTopicEp* pTopicEp = taosArrayGet(pRsp->topics, i);
topic.schema = pTopicEp->schema;
topic.topicName = strdup(pTopicEp->topic);
tstrncpy(topic.db, pTopicEp->db, TSDB_DB_FNAME_LEN);
tscDebug("consumer:%" PRId64 ", update topic: %s", tmq->consumerId, topic.topicName);
int32_t vgNumGet = taosArrayGetSize(pTopicEp->vgs);
topic.vgs = taosArrayInit(vgNumGet, sizeof(SMqClientVg));
for (int32_t j = 0; j < vgNumGet; j++) {
SMqSubVgEp* pVgEp = taosArrayGet(pTopicEp->vgs, j);
sprintf(vgKey, "%s:%d", topic.topicName, pVgEp->vgId);
STqOffsetVal* pOffset = taosHashGet(pHash, vgKey, strlen(vgKey));
STqOffsetVal offsetNew = {.type = tmq->resetOffsetCfg};
if (pOffset != NULL) {
offsetNew = *pOffset;
}
/*tscDebug("consumer:%" PRId64 ", (epoch %d) offset of vgId:%d updated to %" PRId64 ", vgKey is %s",
* tmq->consumerId, epoch,*/
/*pVgEp->vgId, offset, vgKey);*/
SMqClientVg clientVg = {
.pollCnt = 0,
.currentOffsetNew = offsetNew,
.vgId = pVgEp->vgId,
.epSet = pVgEp->epSet,
.vgStatus = TMQ_VG_STATUS__IDLE,
.vgSkipCnt = 0,
};
taosArrayPush(topic.vgs, &clientVg);
set = true;
}
taosArrayPush(newTopics, &topic);
}
if (tmq->clientTopics) taosArrayDestroy(tmq->clientTopics);
taosHashCleanup(pHash);
tmq->clientTopics = newTopics;
if (taosArrayGetSize(tmq->clientTopics) == 0)
atomic_store_8(&tmq->status, TMQ_CONSUMER_STATUS__NO_TOPIC);
else
atomic_store_8(&tmq->status, TMQ_CONSUMER_STATUS__READY);
atomic_store_32(&tmq->epoch, epoch);
return set;
}
#if 0
bool tmqUpdateEp(tmq_t* tmq, int32_t epoch, SMqAskEpRsp* pRsp) {
/*printf("call update ep %d\n", epoch);*/
bool set = false;
int32_t topicNumGet = taosArrayGetSize(pRsp->topics);
char vgKey[TSDB_TOPIC_FNAME_LEN + 22];
tscDebug("consumer:%" PRId64 ", update ep epoch %d to epoch %d, topic num: %d", tmq->consumerId, tmq->epoch, epoch,
topicNumGet);
SArray* newTopics = taosArrayInit(topicNumGet, sizeof(SMqClientTopic));
if (newTopics == NULL) {
return false;
}
SHashObj* pHash = taosHashInit(64, MurmurHash3_32, false, HASH_NO_LOCK);
if (pHash == NULL) {
taosArrayDestroy(newTopics);
return false;
}
// find topic, build hash
for (int32_t i = 0; i < topicNumGet; i++) {
SMqClientTopic topic = {0};
SMqSubTopicEp* pTopicEp = taosArrayGet(pRsp->topics, i);
topic.schema = pTopicEp->schema;
taosHashClear(pHash);
topic.topicName = strdup(pTopicEp->topic);
tstrncpy(topic.db, pTopicEp->db, TSDB_DB_FNAME_LEN);
tscDebug("consumer:%" PRId64 ", update topic: %s", tmq->consumerId, topic.topicName);
int32_t topicNumCur = taosArrayGetSize(tmq->clientTopics);
for (int32_t j = 0; j < topicNumCur; j++) {
// find old topic
SMqClientTopic* pTopicCur = taosArrayGet(tmq->clientTopics, j);
if (pTopicCur->vgs && strcmp(pTopicCur->topicName, pTopicEp->topic) == 0) {
int32_t vgNumCur = taosArrayGetSize(pTopicCur->vgs);
tscDebug("consumer:%" PRId64 ", new vg num: %d", tmq->consumerId, vgNumCur);
if (vgNumCur == 0) break;
for (int32_t k = 0; k < vgNumCur; k++) {
SMqClientVg* pVgCur = taosArrayGet(pTopicCur->vgs, k);
sprintf(vgKey, "%s:%d", topic.topicName, pVgCur->vgId);
tscDebug("consumer:%" PRId64 ", epoch %d vgId:%d build %s", tmq->consumerId, epoch, pVgCur->vgId, vgKey);
taosHashPut(pHash, vgKey, strlen(vgKey), &pVgCur->currentOffset, sizeof(int64_t));
}
break;
}
}
int32_t vgNumGet = taosArrayGetSize(pTopicEp->vgs);
topic.vgs = taosArrayInit(vgNumGet, sizeof(SMqClientVg));
for (int32_t j = 0; j < vgNumGet; j++) {
SMqSubVgEp* pVgEp = taosArrayGet(pTopicEp->vgs, j);
sprintf(vgKey, "%s:%d", topic.topicName, pVgEp->vgId);
int64_t* pOffset = taosHashGet(pHash, vgKey, strlen(vgKey));
int64_t offset = pVgEp->offset;
tscDebug("consumer:%" PRId64 ", (epoch %d) original offset of vgId:%d is %" PRId64, tmq->consumerId, epoch, pVgEp->vgId, offset);
if (pOffset != NULL) {
offset = *pOffset;
tscDebug("consumer:%" PRId64 ", (epoch %d) receive offset of vgId:%d, full key is %s", tmq->consumerId, epoch, pVgEp->vgId,
vgKey);
}
tscDebug("consumer:%" PRId64 ", (epoch %d) offset of vgId:%d updated to %" PRId64, tmq->consumerId, epoch, pVgEp->vgId, offset);
SMqClientVg clientVg = {
.pollCnt = 0,
.currentOffset = offset,
.vgId = pVgEp->vgId,
.epSet = pVgEp->epSet,
.vgStatus = TMQ_VG_STATUS__IDLE,
.vgSkipCnt = 0,
};
taosArrayPush(topic.vgs, &clientVg);
set = true;
}
taosArrayPush(newTopics, &topic);
}
if (tmq->clientTopics) taosArrayDestroy(tmq->clientTopics);
taosHashCleanup(pHash);
tmq->clientTopics = newTopics;
if (taosArrayGetSize(tmq->clientTopics) == 0)
atomic_store_8(&tmq->status, TMQ_CONSUMER_STATUS__NO_TOPIC);
else
atomic_store_8(&tmq->status, TMQ_CONSUMER_STATUS__READY);
atomic_store_32(&tmq->epoch, epoch);
return set;
}
#endif
int32_t tmqAskEpCb(void* param, SDataBuf* pMsg, int32_t code) {
SMqAskEpCbParam* pParam = (SMqAskEpCbParam*)param;
tmq_t* tmq = pParam->tmq;
int8_t async = pParam->async;
pParam->code = code;
if (code != 0) {
tscError("consumer:%" PRId64 ", get topic endpoint error, not ready, wait:%d", tmq->consumerId, pParam->async);
goto END;
}
// tmq's epoch is monotonically increase,
// so it's safe to discard any old epoch msg.
// Epoch will only increase when received newer epoch ep msg
SMqRspHead* head = pMsg->pData;
int32_t epoch = atomic_load_32(&tmq->epoch);
tscDebug("consumer:%" PRId64 ", recv ep, msg epoch %d, current epoch %d", tmq->consumerId, head->epoch, epoch);
if (head->epoch <= epoch) {
goto END;
}
if (!async) {
SMqAskEpRsp rsp;
tDecodeSMqAskEpRsp(POINTER_SHIFT(pMsg->pData, sizeof(SMqRspHead)), &rsp);
/*printf("rsp epoch %" PRId64 " sz %" PRId64 "\n", rsp.epoch, rsp.topics->size);*/
/*printf("tmq epoch %" PRId64 " sz %" PRId64 "\n", tmq->epoch, tmq->clientTopics->size);*/
tmqUpdateEp2(tmq, head->epoch, &rsp);
tDeleteSMqAskEpRsp(&rsp);
} else {
SMqAskEpRspWrapper* pWrapper = taosAllocateQitem(sizeof(SMqAskEpRspWrapper), DEF_QITEM);
if (pWrapper == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
code = -1;
goto END;
}
pWrapper->tmqRspType = TMQ_MSG_TYPE__EP_RSP;
pWrapper->epoch = head->epoch;
memcpy(&pWrapper->msg, pMsg->pData, sizeof(SMqRspHead));
tDecodeSMqAskEpRsp(POINTER_SHIFT(pMsg->pData, sizeof(SMqRspHead)), &pWrapper->msg);
taosWriteQitem(tmq->mqueue, pWrapper);
tsem_post(&tmq->rspSem);
}
END:
/*atomic_store_8(&tmq->epStatus, 0);*/
if (!async) {
tsem_post(&pParam->rspSem);
} else {
taosMemoryFree(pParam);
}
return code;
}
int32_t tmqAskEp(tmq_t* tmq, bool async) {
int32_t code = 0;
#if 0
int8_t epStatus = atomic_val_compare_exchange_8(&tmq->epStatus, 0, 1);
if (epStatus == 1) {
int32_t epSkipCnt = atomic_add_fetch_32(&tmq->epSkipCnt, 1);
tscTrace("consumer:%" PRId64 ", skip ask ep cnt %d", tmq->consumerId, epSkipCnt);
if (epSkipCnt < 5000) return 0;
}
atomic_store_32(&tmq->epSkipCnt, 0);
#endif
int32_t tlen = sizeof(SMqAskEpReq);
SMqAskEpReq* req = taosMemoryCalloc(1, tlen);
if (req == NULL) {
tscError("failed to malloc get subscribe ep buf");
/*atomic_store_8(&tmq->epStatus, 0);*/
return -1;
}
req->consumerId = htobe64(tmq->consumerId);
req->epoch = htonl(tmq->epoch);
strcpy(req->cgroup, tmq->groupId);
SMqAskEpCbParam* pParam = taosMemoryCalloc(1, sizeof(SMqAskEpCbParam));
if (pParam == NULL) {
tscError("failed to malloc subscribe param");
taosMemoryFree(req);
/*atomic_store_8(&tmq->epStatus, 0);*/
return -1;
}
pParam->tmq = tmq;
pParam->async = async;
tsem_init(&pParam->rspSem, 0, 0);
SMsgSendInfo* sendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
if (sendInfo == NULL) {
tsem_destroy(&pParam->rspSem);
taosMemoryFree(pParam);
taosMemoryFree(req);
/*atomic_store_8(&tmq->epStatus, 0);*/
return -1;
}
sendInfo->msgInfo = (SDataBuf){
.pData = req,
.len = tlen,
.handle = NULL,
};
sendInfo->requestId = generateRequestId();
sendInfo->requestObjRefId = 0;
sendInfo->param = pParam;
sendInfo->fp = tmqAskEpCb;
sendInfo->msgType = TDMT_MND_MQ_ASK_EP;
SEpSet epSet = getEpSet_s(&tmq->pTscObj->pAppInfo->mgmtEp);
tscDebug("consumer:%" PRId64 ", ask ep", tmq->consumerId);
int64_t transporterId = 0;
asyncSendMsgToServer(tmq->pTscObj->pAppInfo->pTransporter, &epSet, &transporterId, sendInfo);
if (!async) {
tsem_wait(&pParam->rspSem);
code = pParam->code;
taosMemoryFree(pParam);
}
return code;
}
#if 0
int32_t tmq_seek(tmq_t* tmq, const tmq_topic_vgroup_t* offset) {
const SMqOffset* pOffset = &offset->offset;
if (strcmp(pOffset->cgroup, tmq->groupId) != 0) {
return TMQ_RESP_ERR__FAIL;
}
int32_t sz = taosArrayGetSize(tmq->clientTopics);
for (int32_t i = 0; i < sz; i++) {
SMqClientTopic* clientTopic = taosArrayGet(tmq->clientTopics, i);
if (strcmp(clientTopic->topicName, pOffset->topicName) == 0) {
int32_t vgSz = taosArrayGetSize(clientTopic->vgs);
for (int32_t j = 0; j < vgSz; j++) {
SMqClientVg* pVg = taosArrayGet(clientTopic->vgs, j);
if (pVg->vgId == pOffset->vgId) {
pVg->currentOffset = pOffset->offset;
tmqClearUnhandleMsg(tmq);
return TMQ_RESP_ERR__SUCCESS;
}
}
}
}
return TMQ_RESP_ERR__FAIL;
}
#endif
SMqPollReq* tmqBuildConsumeReqImpl(tmq_t* tmq, int64_t timeout, SMqClientTopic* pTopic, SMqClientVg* pVg) {
/*int64_t reqOffset;*/
/*if (pVg->currentOffset >= 0) {*/
/*reqOffset = pVg->currentOffset;*/
/*} else {*/
/*if (tmq->resetOffsetCfg == TMQ_CONF__RESET_OFFSET__NONE) {*/
/*tscError("unable to poll since no committed offset but reset offset is set to none");*/
/*return NULL;*/
/*}*/
/*reqOffset = tmq->resetOffsetCfg;*/
/*}*/
SMqPollReq* pReq = taosMemoryCalloc(1, sizeof(SMqPollReq));
if (pReq == NULL) {
return NULL;
}
/*strcpy(pReq->topic, pTopic->topicName);*/
/*strcpy(pReq->cgroup, tmq->groupId);*/
int32_t groupLen = strlen(tmq->groupId);
memcpy(pReq->subKey, tmq->groupId, groupLen);
pReq->subKey[groupLen] = TMQ_SEPARATOR;
strcpy(pReq->subKey + groupLen + 1, pTopic->topicName);
pReq->withTbName = tmq->withTbName;
pReq->timeout = timeout;
pReq->consumerId = tmq->consumerId;
pReq->epoch = tmq->epoch;
/*pReq->currentOffset = reqOffset;*/
pReq->reqOffset = pVg->currentOffsetNew;
pReq->reqId = generateRequestId();
pReq->useSnapshot = tmq->useSnapshot;
pReq->head.vgId = htonl(pVg->vgId);
pReq->head.contLen = htonl(sizeof(SMqPollReq));
return pReq;
}
SMqMetaRspObj* tmqBuildMetaRspFromWrapper(SMqPollRspWrapper* pWrapper) {
SMqMetaRspObj* pRspObj = taosMemoryCalloc(1, sizeof(SMqMetaRspObj));
pRspObj->resType = RES_TYPE__TMQ_META;
tstrncpy(pRspObj->topic, pWrapper->topicHandle->topicName, TSDB_TOPIC_FNAME_LEN);
tstrncpy(pRspObj->db, pWrapper->topicHandle->db, TSDB_DB_FNAME_LEN);
pRspObj->vgId = pWrapper->vgHandle->vgId;
memcpy(&pRspObj->metaRsp, &pWrapper->metaRsp, sizeof(SMqMetaRsp));
return pRspObj;
}
SMqRspObj* tmqBuildRspFromWrapper(SMqPollRspWrapper* pWrapper) {
SMqRspObj* pRspObj = taosMemoryCalloc(1, sizeof(SMqRspObj));
pRspObj->resType = RES_TYPE__TMQ;
tstrncpy(pRspObj->topic, pWrapper->topicHandle->topicName, TSDB_TOPIC_FNAME_LEN);
tstrncpy(pRspObj->db, pWrapper->topicHandle->db, TSDB_DB_FNAME_LEN);
pRspObj->vgId = pWrapper->vgHandle->vgId;
pRspObj->resIter = -1;
memcpy(&pRspObj->rsp, &pWrapper->dataRsp, sizeof(SMqDataRsp));
pRspObj->resInfo.totalRows = 0;
pRspObj->resInfo.precision = TSDB_TIME_PRECISION_MILLI;
if (!pWrapper->dataRsp.withSchema) {
setResSchemaInfo(&pRspObj->resInfo, pWrapper->topicHandle->schema.pSchema, pWrapper->topicHandle->schema.nCols);
}
return pRspObj;
}
int32_t tmqPollImpl(tmq_t* tmq, int64_t timeout) {
/*tscDebug("call poll");*/
for (int i = 0; i < taosArrayGetSize(tmq->clientTopics); i++) {
SMqClientTopic* pTopic = taosArrayGet(tmq->clientTopics, i);
for (int j = 0; j < taosArrayGetSize(pTopic->vgs); j++) {
SMqClientVg* pVg = taosArrayGet(pTopic->vgs, j);
int32_t vgStatus = atomic_val_compare_exchange_32(&pVg->vgStatus, TMQ_VG_STATUS__IDLE, TMQ_VG_STATUS__WAIT);
if (vgStatus != TMQ_VG_STATUS__IDLE) {
int32_t vgSkipCnt = atomic_add_fetch_32(&pVg->vgSkipCnt, 1);
tscTrace("consumer:%" PRId64 ", epoch %d skip vgId:%d skip cnt %d", tmq->consumerId, tmq->epoch, pVg->vgId,
vgSkipCnt);
continue;
/*if (vgSkipCnt < 10000) continue;*/
#if 0
if (skipCnt < 30000) {
continue;
} else {
tscDebug("consumer:%" PRId64 ",skip vgId:%d skip too much reset", tmq->consumerId, pVg->vgId);
}
#endif
}
atomic_store_32(&pVg->vgSkipCnt, 0);
SMqPollReq* pReq = tmqBuildConsumeReqImpl(tmq, timeout, pTopic, pVg);
if (pReq == NULL) {
atomic_store_32(&pVg->vgStatus, TMQ_VG_STATUS__IDLE);
tsem_post(&tmq->rspSem);
return -1;
}
SMqPollCbParam* pParam = taosMemoryMalloc(sizeof(SMqPollCbParam));
if (pParam == NULL) {
taosMemoryFree(pReq);
atomic_store_32(&pVg->vgStatus, TMQ_VG_STATUS__IDLE);
tsem_post(&tmq->rspSem);
return -1;
}
pParam->tmq = tmq;
pParam->pVg = pVg;
pParam->pTopic = pTopic;
pParam->vgId = pVg->vgId;
pParam->epoch = tmq->epoch;
SMsgSendInfo* sendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
if (sendInfo == NULL) {
taosMemoryFree(pReq);
taosMemoryFree(pParam);
atomic_store_32(&pVg->vgStatus, TMQ_VG_STATUS__IDLE);
tsem_post(&tmq->rspSem);
return -1;
}
sendInfo->msgInfo = (SDataBuf){
.pData = pReq,
.len = sizeof(SMqPollReq),
.handle = NULL,
};
sendInfo->requestId = pReq->reqId;
sendInfo->requestObjRefId = 0;
sendInfo->param = pParam;
sendInfo->fp = tmqPollCb;
sendInfo->msgType = TDMT_VND_CONSUME;
int64_t transporterId = 0;
/*printf("send poll\n");*/
char offsetFormatBuf[80];
tFormatOffset(offsetFormatBuf, 80, &pVg->currentOffsetNew);
tscDebug("consumer:%" PRId64 ", send poll to %s vgId:%d, epoch %d, req offset:%s, reqId:%" PRIu64,
tmq->consumerId, pTopic->topicName, pVg->vgId, tmq->epoch, offsetFormatBuf, pReq->reqId);
/*printf("send vgId:%d %" PRId64 "\n", pVg->vgId, pVg->currentOffset);*/
asyncSendMsgToServer(tmq->pTscObj->pAppInfo->pTransporter, &pVg->epSet, &transporterId, sendInfo);
pVg->pollCnt++;
tmq->pollCnt++;
}
}
return 0;
}
int32_t tmqHandleNoPollRsp(tmq_t* tmq, SMqRspWrapper* rspWrapper, bool* pReset) {
if (rspWrapper->tmqRspType == TMQ_MSG_TYPE__EP_RSP) {
/*printf("ep %d %d\n", rspMsg->head.epoch, tmq->epoch);*/
if (rspWrapper->epoch > atomic_load_32(&tmq->epoch)) {
SMqAskEpRspWrapper* pEpRspWrapper = (SMqAskEpRspWrapper*)rspWrapper;
SMqAskEpRsp* rspMsg = &pEpRspWrapper->msg;
tmqUpdateEp2(tmq, rspWrapper->epoch, rspMsg);
/*tmqClearUnhandleMsg(tmq);*/
*pReset = true;
} else {
*pReset = false;
}
} else {
return -1;
}
return 0;
}
void* tmqHandleAllRsp(tmq_t* tmq, int64_t timeout, bool pollIfReset) {
while (1) {
SMqRspWrapper* rspWrapper = NULL;
taosGetQitem(tmq->qall, (void**)&rspWrapper);
if (rspWrapper == NULL) {
taosReadAllQitems(tmq->mqueue, tmq->qall);
taosGetQitem(tmq->qall, (void**)&rspWrapper);
if (rspWrapper == NULL) return NULL;
}
if (rspWrapper->tmqRspType == TMQ_MSG_TYPE__END_RSP) {
taosFreeQitem(rspWrapper);
terrno = TSDB_CODE_TQ_NO_COMMITTED_OFFSET;
return NULL;
} else if (rspWrapper->tmqRspType == TMQ_MSG_TYPE__POLL_RSP) {
SMqPollRspWrapper* pollRspWrapper = (SMqPollRspWrapper*)rspWrapper;
/*atomic_sub_fetch_32(&tmq->readyRequest, 1);*/
int32_t consumerEpoch = atomic_load_32(&tmq->epoch);
if (pollRspWrapper->dataRsp.head.epoch == consumerEpoch) {
SMqClientVg* pVg = pollRspWrapper->vgHandle;
/*printf("vgId:%d offset %" PRId64 " up to %" PRId64 "\n", pVg->vgId, pVg->currentOffset,
* rspMsg->msg.rspOffset);*/
pVg->currentOffsetNew = pollRspWrapper->dataRsp.rspOffset;
atomic_store_32(&pVg->vgStatus, TMQ_VG_STATUS__IDLE);
if (pollRspWrapper->dataRsp.blockNum == 0) {
taosFreeQitem(pollRspWrapper);
rspWrapper = NULL;
continue;
}
// build rsp
SMqRspObj* pRsp = tmqBuildRspFromWrapper(pollRspWrapper);
taosFreeQitem(pollRspWrapper);
return pRsp;
} else {
tscDebug("msg discard since epoch mismatch: msg epoch %d, consumer epoch %d\n",
pollRspWrapper->dataRsp.head.epoch, consumerEpoch);
taosFreeQitem(pollRspWrapper);
}
} else if (rspWrapper->tmqRspType == TMQ_MSG_TYPE__POLL_META_RSP) {
SMqPollRspWrapper* pollRspWrapper = (SMqPollRspWrapper*)rspWrapper;
int32_t consumerEpoch = atomic_load_32(&tmq->epoch);
if (pollRspWrapper->metaRsp.head.epoch == consumerEpoch) {
SMqClientVg* pVg = pollRspWrapper->vgHandle;
/*printf("vgId:%d offset %" PRId64 " up to %" PRId64 "\n", pVg->vgId, pVg->currentOffset,
* rspMsg->msg.rspOffset);*/
pVg->currentOffsetNew.version = pollRspWrapper->metaRsp.rspOffset;
pVg->currentOffsetNew.type = TMQ_OFFSET__LOG;
atomic_store_32(&pVg->vgStatus, TMQ_VG_STATUS__IDLE);
// build rsp
SMqMetaRspObj* pRsp = tmqBuildMetaRspFromWrapper(pollRspWrapper);
taosFreeQitem(pollRspWrapper);
return pRsp;
} else {
tscDebug("msg discard since epoch mismatch: msg epoch %d, consumer epoch %d\n",
pollRspWrapper->metaRsp.head.epoch, consumerEpoch);
taosFreeQitem(pollRspWrapper);
}
} else {
/*printf("handle ep rsp %d\n", rspMsg->head.mqMsgType);*/
bool reset = false;
tmqHandleNoPollRsp(tmq, rspWrapper, &reset);
taosFreeQitem(rspWrapper);
if (pollIfReset && reset) {
tscDebug("consumer:%" PRId64 ", reset and repoll", tmq->consumerId);
tmqPollImpl(tmq, timeout);
}
}
}
}
TAOS_RES* tmq_consumer_poll(tmq_t* tmq, int64_t timeout) {
/*tscDebug("call poll1");*/
void* rspObj;
int64_t startTime = taosGetTimestampMs();
#if 0
tmqHandleAllDelayedTask(tmq);
tmqPollImpl(tmq, timeout);
rspObj = tmqHandleAllRsp(tmq, timeout, false);
if (rspObj) {
return (TAOS_RES*)rspObj;
}
#endif
// in no topic status also need process delayed task
if (atomic_load_8(&tmq->status) == TMQ_CONSUMER_STATUS__INIT) {
return NULL;
}
while (1) {
tmqHandleAllDelayedTask(tmq);
if (tmqPollImpl(tmq, timeout) < 0) return NULL;
rspObj = tmqHandleAllRsp(tmq, timeout, false);
if (rspObj) {
return (TAOS_RES*)rspObj;
} else if (terrno == TSDB_CODE_TQ_NO_COMMITTED_OFFSET) {
return NULL;
}
if (timeout != -1) {
int64_t endTime = taosGetTimestampMs();
int64_t leftTime = endTime - startTime;
if (leftTime > timeout) {
tscDebug("consumer:%" PRId64 ", (epoch %d) timeout, no rsp", tmq->consumerId, tmq->epoch);
return NULL;
}
tsem_timewait(&tmq->rspSem, leftTime * 1000);
} else {
// use tsem_timewait instead of tsem_wait to avoid unexpected stuck
tsem_timewait(&tmq->rspSem, 500 * 1000);
}
}
}
int32_t tmq_consumer_close(tmq_t* tmq) {
if (tmq->status == TMQ_CONSUMER_STATUS__READY) {
int32_t rsp = tmq_commit_sync(tmq, NULL);
if (rsp != 0) {
return rsp;
}
tmq_list_t* lst = tmq_list_new();
rsp = tmq_subscribe(tmq, lst);
tmq_list_destroy(lst);
if (rsp != 0) {
return rsp;
}
}
// TODO: free resources
return 0;
}
const char* tmq_err2str(int32_t err) {
if (err == 0) {
return "success";
} else if (err == -1) {
return "fail";
} else {
return tstrerror(err);
}
}
tmq_res_t tmq_get_res_type(TAOS_RES* res) {
if (TD_RES_TMQ(res)) {
return TMQ_RES_DATA;
} else if (TD_RES_TMQ_META(res)) {
return TMQ_RES_TABLE_META;
} else {
return TMQ_RES_INVALID;
}
}
const char* tmq_get_topic_name(TAOS_RES* res) {
if (TD_RES_TMQ(res)) {
SMqRspObj* pRspObj = (SMqRspObj*)res;
return strchr(pRspObj->topic, '.') + 1;
} else if (TD_RES_TMQ_META(res)) {
SMqMetaRspObj* pMetaRspObj = (SMqMetaRspObj*)res;
return strchr(pMetaRspObj->topic, '.') + 1;
} else {
return NULL;
}
}
const char* tmq_get_db_name(TAOS_RES* res) {
if (TD_RES_TMQ(res)) {
SMqRspObj* pRspObj = (SMqRspObj*)res;
return strchr(pRspObj->db, '.') + 1;
} else if (TD_RES_TMQ_META(res)) {
SMqMetaRspObj* pMetaRspObj = (SMqMetaRspObj*)res;
return strchr(pMetaRspObj->db, '.') + 1;
} else {
return NULL;
}
}
int32_t tmq_get_vgroup_id(TAOS_RES* res) {
if (TD_RES_TMQ(res)) {
SMqRspObj* pRspObj = (SMqRspObj*)res;
return pRspObj->vgId;
} else if (TD_RES_TMQ_META(res)) {
SMqMetaRspObj* pMetaRspObj = (SMqMetaRspObj*)res;
return pMetaRspObj->vgId;
} else {
return -1;
}
}
const char* tmq_get_table_name(TAOS_RES* res) {
if (TD_RES_TMQ(res)) {
SMqRspObj* pRspObj = (SMqRspObj*)res;
if (!pRspObj->rsp.withTbName || pRspObj->rsp.blockTbName == NULL || pRspObj->resIter < 0 ||
pRspObj->resIter >= pRspObj->rsp.blockNum) {
return NULL;
}
return (const char*)taosArrayGetP(pRspObj->rsp.blockTbName, pRspObj->resIter);
}
return NULL;
}
tmq_raw_data* tmq_get_raw_meta(TAOS_RES* res) {
if (TD_RES_TMQ_META(res)) {
tmq_raw_data* raw = taosMemoryCalloc(1, sizeof(tmq_raw_data));
SMqMetaRspObj* pMetaRspObj = (SMqMetaRspObj*)res;
raw->raw_meta = pMetaRspObj->metaRsp.metaRsp;
raw->raw_meta_len = pMetaRspObj->metaRsp.metaRspLen;
raw->raw_meta_type = pMetaRspObj->metaRsp.resMsgType;
return raw;
}
return NULL;
}
static char* buildCreateTableJson(SSchemaWrapper* schemaRow, SSchemaWrapper* schemaTag, char* name, int64_t id,
int8_t t) {
char* string = NULL;
cJSON* json = cJSON_CreateObject();
if (json == NULL) {
return string;
}
cJSON* type = cJSON_CreateString("create");
cJSON_AddItemToObject(json, "type", type);
char uid[32] = {0};
sprintf(uid, "%" PRIi64, id);
cJSON* id_ = cJSON_CreateString(uid);
cJSON_AddItemToObject(json, "id", id_);
cJSON* tableName = cJSON_CreateString(name);
cJSON_AddItemToObject(json, "tableName", tableName);
cJSON* tableType = cJSON_CreateString(t == TSDB_NORMAL_TABLE ? "normal" : "super");
cJSON_AddItemToObject(json, "tableType", tableType);
// cJSON* version = cJSON_CreateNumber(1);
// cJSON_AddItemToObject(json, "version", version);
cJSON* columns = cJSON_CreateArray();
for (int i = 0; i < schemaRow->nCols; i++) {
cJSON* column = cJSON_CreateObject();
SSchema* s = schemaRow->pSchema + i;
cJSON* cname = cJSON_CreateString(s->name);
cJSON_AddItemToObject(column, "name", cname);
cJSON* ctype = cJSON_CreateNumber(s->type);
cJSON_AddItemToObject(column, "type", ctype);
if (s->type == TSDB_DATA_TYPE_BINARY) {
int32_t length = s->bytes - VARSTR_HEADER_SIZE;
cJSON* cbytes = cJSON_CreateNumber(length);
cJSON_AddItemToObject(column, "length", cbytes);
} else if (s->type == TSDB_DATA_TYPE_NCHAR) {
int32_t length = (s->bytes - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE;
cJSON* cbytes = cJSON_CreateNumber(length);
cJSON_AddItemToObject(column, "length", cbytes);
}
cJSON_AddItemToArray(columns, column);
}
cJSON_AddItemToObject(json, "columns", columns);
cJSON* tags = cJSON_CreateArray();
for (int i = 0; schemaTag && i < schemaTag->nCols; i++) {
cJSON* tag = cJSON_CreateObject();
SSchema* s = schemaTag->pSchema + i;
cJSON* tname = cJSON_CreateString(s->name);
cJSON_AddItemToObject(tag, "name", tname);
cJSON* ttype = cJSON_CreateNumber(s->type);
cJSON_AddItemToObject(tag, "type", ttype);
if (s->type == TSDB_DATA_TYPE_BINARY) {
int32_t length = s->bytes - VARSTR_HEADER_SIZE;
cJSON* cbytes = cJSON_CreateNumber(length);
cJSON_AddItemToObject(tag, "length", cbytes);
} else if (s->type == TSDB_DATA_TYPE_NCHAR) {
int32_t length = (s->bytes - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE;
cJSON* cbytes = cJSON_CreateNumber(length);
cJSON_AddItemToObject(tag, "length", cbytes);
}
cJSON_AddItemToArray(tags, tag);
}
cJSON_AddItemToObject(json, "tags", tags);
string = cJSON_PrintUnformatted(json);
cJSON_Delete(json);
return string;
}
static char* processCreateStb(SMqMetaRsp* metaRsp) {
SVCreateStbReq req = {0};
SDecoder coder;
char* string = NULL;
// decode and process req
void* data = POINTER_SHIFT(metaRsp->metaRsp, sizeof(SMsgHead));
int32_t len = metaRsp->metaRspLen - sizeof(SMsgHead);
tDecoderInit(&coder, data, len);
if (tDecodeSVCreateStbReq(&coder, &req) < 0) {
goto _err;
}
string = buildCreateTableJson(&req.schemaRow, &req.schemaTag, req.name, req.suid, TSDB_SUPER_TABLE);
tDecoderClear(&coder);
return string;
_err:
tDecoderClear(&coder);
return string;
}
static char* buildCreateCTableJson(STag* pTag, int64_t sid, char* name, int64_t id) {
char* string = NULL;
cJSON* json = cJSON_CreateObject();
if (json == NULL) {
return string;
}
cJSON* type = cJSON_CreateString("create");
cJSON_AddItemToObject(json, "type", type);
char cid[32] = {0};
sprintf(cid, "%" PRIi64, id);
cJSON* cid_ = cJSON_CreateString(cid);
cJSON_AddItemToObject(json, "id", cid_);
cJSON* tableName = cJSON_CreateString(name);
cJSON_AddItemToObject(json, "tableName", tableName);
cJSON* tableType = cJSON_CreateString("child");
cJSON_AddItemToObject(json, "tableType", tableType);
char sid_[32] = {0};
sprintf(sid_, "%" PRIi64, sid);
cJSON* using = cJSON_CreateString(sid_);
cJSON_AddItemToObject(json, "using", using);
// cJSON* version = cJSON_CreateNumber(1);
// cJSON_AddItemToObject(json, "version", version);
cJSON* tags = cJSON_CreateArray();
if (tTagIsJson(pTag)) { // todo
char* pJson = parseTagDatatoJson(pTag);
cJSON* tag = cJSON_CreateObject();
cJSON* tname = cJSON_CreateString("unknown"); // todo
cJSON_AddItemToObject(tag, "name", tname);
cJSON* ttype = cJSON_CreateNumber(TSDB_DATA_TYPE_JSON);
cJSON_AddItemToObject(tag, "type", ttype);
cJSON* tvalue = cJSON_CreateString(pJson);
cJSON_AddItemToObject(tag, "value", tvalue);
cJSON_AddItemToArray(tags, tag);
cJSON_AddItemToObject(json, "tags", tags);
string = cJSON_PrintUnformatted(json);
goto end;
}
SArray* pTagVals = NULL;
int32_t code = tTagToValArray(pTag, &pTagVals);
if (code) {
goto end;
}
for (int i = 0; i < taosArrayGetSize(pTagVals); i++) {
STagVal* pTagVal = (STagVal*)taosArrayGet(pTagVals, i);
cJSON* tag = cJSON_CreateObject();
// cJSON* tname = cJSON_CreateNumber(pTagVal->cid);
cJSON* tname = cJSON_CreateString("unkonwn"); // todo
cJSON_AddItemToObject(tag, "name", tname);
cJSON* ttype = cJSON_CreateNumber(pTagVal->type);
cJSON_AddItemToObject(tag, "type", ttype);
char* buf = NULL;
if (IS_VAR_DATA_TYPE(pTagVal->type)) {
buf = taosMemoryCalloc(pTagVal->nData + 1, 1);
dataConverToStr(buf, pTagVal->type, pTagVal->pData, pTagVal->nData, NULL);
} else {
buf = taosMemoryCalloc(32, 1);
dataConverToStr(buf, pTagVal->type, &pTagVal->i64, tDataTypes[pTagVal->type].bytes, NULL);
}
cJSON* tvalue = cJSON_CreateString(buf);
taosMemoryFree(buf);
cJSON_AddItemToObject(tag, "value", tvalue);
cJSON_AddItemToArray(tags, tag);
}
cJSON_AddItemToObject(json, "tags", tags);
string = cJSON_PrintUnformatted(json);
end:
cJSON_Delete(json);
return string;
}
static char* processCreateTable(SMqMetaRsp* metaRsp) {
SDecoder decoder = {0};
SVCreateTbBatchReq req = {0};
SVCreateTbReq* pCreateReq;
char* string = NULL;
// decode
void* data = POINTER_SHIFT(metaRsp->metaRsp, sizeof(SMsgHead));
int32_t len = metaRsp->metaRspLen - sizeof(SMsgHead);
tDecoderInit(&decoder, data, len);
if (tDecodeSVCreateTbBatchReq(&decoder, &req) < 0) {
goto _exit;
}
// loop to create table
for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
pCreateReq = req.pReqs + iReq;
if (pCreateReq->type == TSDB_CHILD_TABLE) {
string =
buildCreateCTableJson((STag*)pCreateReq->ctb.pTag, pCreateReq->ctb.suid, pCreateReq->name, pCreateReq->uid);
} else if (pCreateReq->type == TSDB_NORMAL_TABLE) {
string =
buildCreateTableJson(&pCreateReq->ntb.schemaRow, NULL, pCreateReq->name, pCreateReq->uid, TSDB_NORMAL_TABLE);
}
}
tDecoderClear(&decoder);
_exit:
tDecoderClear(&decoder);
return string;
}
static char* processAlterTable(SMqMetaRsp* metaRsp) {
SDecoder decoder = {0};
SVAlterTbReq vAlterTbReq = {0};
char* string = NULL;
// decode
void* data = POINTER_SHIFT(metaRsp->metaRsp, sizeof(SMsgHead));
int32_t len = metaRsp->metaRspLen - sizeof(SMsgHead);
tDecoderInit(&decoder, data, len);
if (tDecodeSVAlterTbReq(&decoder, &vAlterTbReq) < 0) {
goto _exit;
}
cJSON* json = cJSON_CreateObject();
if (json == NULL) {
goto _exit;
}
cJSON* type = cJSON_CreateString("alter");
cJSON_AddItemToObject(json, "type", type);
// cJSON* uid = cJSON_CreateNumber(id);
// cJSON_AddItemToObject(json, "uid", uid);
cJSON* tableName = cJSON_CreateString(vAlterTbReq.tbName);
cJSON_AddItemToObject(json, "tableName", tableName);
cJSON* tableType = cJSON_CreateString(vAlterTbReq.action == TSDB_ALTER_TABLE_UPDATE_TAG_VAL ? "child" : "normal");
cJSON_AddItemToObject(json, "tableType", tableType);
switch (vAlterTbReq.action) {
case TSDB_ALTER_TABLE_ADD_COLUMN: {
cJSON* alterType = cJSON_CreateNumber(TSDB_ALTER_TABLE_ADD_COLUMN);
cJSON_AddItemToObject(json, "alterType", alterType);
cJSON* colName = cJSON_CreateString(vAlterTbReq.colName);
cJSON_AddItemToObject(json, "colName", colName);
cJSON* colType = cJSON_CreateNumber(vAlterTbReq.type);
cJSON_AddItemToObject(json, "colType", colType);
if (vAlterTbReq.type == TSDB_DATA_TYPE_BINARY) {
int32_t length = vAlterTbReq.bytes - VARSTR_HEADER_SIZE;
cJSON* cbytes = cJSON_CreateNumber(length);
cJSON_AddItemToObject(json, "colLength", cbytes);
} else if (vAlterTbReq.type == TSDB_DATA_TYPE_NCHAR) {
int32_t length = (vAlterTbReq.bytes - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE;
cJSON* cbytes = cJSON_CreateNumber(length);
cJSON_AddItemToObject(json, "colLength", cbytes);
}
break;
}
case TSDB_ALTER_TABLE_DROP_COLUMN: {
cJSON* alterType = cJSON_CreateNumber(TSDB_ALTER_TABLE_DROP_COLUMN);
cJSON_AddItemToObject(json, "alterType", alterType);
cJSON* colName = cJSON_CreateString(vAlterTbReq.colName);
cJSON_AddItemToObject(json, "colName", colName);
break;
}
case TSDB_ALTER_TABLE_UPDATE_COLUMN_BYTES: {
cJSON* alterType = cJSON_CreateNumber(TSDB_ALTER_TABLE_UPDATE_COLUMN_BYTES);
cJSON_AddItemToObject(json, "alterType", alterType);
cJSON* colName = cJSON_CreateString(vAlterTbReq.colName);
cJSON_AddItemToObject(json, "colName", colName);
cJSON* colType = cJSON_CreateNumber(vAlterTbReq.type);
cJSON_AddItemToObject(json, "colType", colType);
if (vAlterTbReq.type == TSDB_DATA_TYPE_BINARY) {
int32_t length = vAlterTbReq.bytes - VARSTR_HEADER_SIZE;
cJSON* cbytes = cJSON_CreateNumber(length);
cJSON_AddItemToObject(json, "colLength", cbytes);
} else if (vAlterTbReq.type == TSDB_DATA_TYPE_NCHAR) {
int32_t length = (vAlterTbReq.bytes - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE;
cJSON* cbytes = cJSON_CreateNumber(length);
cJSON_AddItemToObject(json, "colLength", cbytes);
}
break;
}
case TSDB_ALTER_TABLE_UPDATE_COLUMN_NAME: {
cJSON* alterType = cJSON_CreateNumber(TSDB_ALTER_TABLE_UPDATE_COLUMN_NAME);
cJSON_AddItemToObject(json, "alterType", alterType);
cJSON* colName = cJSON_CreateString(vAlterTbReq.colName);
cJSON_AddItemToObject(json, "colName", colName);
cJSON* colNewName = cJSON_CreateString(vAlterTbReq.colNewName);
cJSON_AddItemToObject(json, "colNewName", colNewName);
break;
}
case TSDB_ALTER_TABLE_UPDATE_TAG_VAL: {
cJSON* alterType = cJSON_CreateNumber(TSDB_ALTER_TABLE_UPDATE_TAG_VAL);
cJSON_AddItemToObject(json, "alterType", alterType);
cJSON* tagName = cJSON_CreateString(vAlterTbReq.tagName);
cJSON_AddItemToObject(json, "colName", tagName);
cJSON* colValue = cJSON_CreateString("invalid, todo"); // todo
cJSON_AddItemToObject(json, "colValue", colValue);
cJSON* isNull = cJSON_CreateBool(vAlterTbReq.isNull);
cJSON_AddItemToObject(json, "colValueNull", isNull);
break;
}
default:
break;
}
string = cJSON_PrintUnformatted(json);
_exit:
tDecoderClear(&decoder);
return string;
}
static char* processDropSTable(SMqMetaRsp* metaRsp) {
SDecoder decoder = {0};
SVDropStbReq req = {0};
char* string = NULL;
// decode
void* data = POINTER_SHIFT(metaRsp->metaRsp, sizeof(SMsgHead));
int32_t len = metaRsp->metaRspLen - sizeof(SMsgHead);
tDecoderInit(&decoder, data, len);
if (tDecodeSVDropStbReq(&decoder, &req) < 0) {
goto _exit;
}
cJSON* json = cJSON_CreateObject();
if (json == NULL) {
goto _exit;
}
cJSON* type = cJSON_CreateString("drop");
cJSON_AddItemToObject(json, "type", type);
char uid[32] = {0};
sprintf(uid, "%" PRIi64, req.suid);
cJSON* id = cJSON_CreateString(uid);
cJSON_AddItemToObject(json, "id", id);
cJSON* tableName = cJSON_CreateString(req.name);
cJSON_AddItemToObject(json, "tableName", tableName);
cJSON* tableType = cJSON_CreateString("super");
cJSON_AddItemToObject(json, "tableType", tableType);
string = cJSON_PrintUnformatted(json);
_exit:
tDecoderClear(&decoder);
return string;
}
static char* processDropTable(SMqMetaRsp* metaRsp) {
SDecoder decoder = {0};
SVDropTbBatchReq req = {0};
char* string = NULL;
// decode
void* data = POINTER_SHIFT(metaRsp->metaRsp, sizeof(SMsgHead));
int32_t len = metaRsp->metaRspLen - sizeof(SMsgHead);
tDecoderInit(&decoder, data, len);
if (tDecodeSVDropTbBatchReq(&decoder, &req) < 0) {
goto _exit;
}
cJSON* json = cJSON_CreateObject();
if (json == NULL) {
goto _exit;
}
cJSON* type = cJSON_CreateString("drop");
cJSON_AddItemToObject(json, "type", type);
// cJSON* uid = cJSON_CreateNumber(id);
// cJSON_AddItemToObject(json, "uid", uid);
// cJSON* tableType = cJSON_CreateString("normal");
// cJSON_AddItemToObject(json, "tableType", tableType);
cJSON* tableNameList = cJSON_CreateArray();
for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
SVDropTbReq* pDropTbReq = req.pReqs + iReq;
cJSON* tableName = cJSON_CreateString(pDropTbReq->name); // todo
cJSON_AddItemToArray(tableNameList, tableName);
}
cJSON_AddItemToObject(json, "tableNameList", tableNameList);
string = cJSON_PrintUnformatted(json);
_exit:
tDecoderClear(&decoder);
return string;
}
char* tmq_get_json_meta(TAOS_RES* res) {
if (!TD_RES_TMQ_META(res)) {
return NULL;
}
SMqMetaRspObj* pMetaRspObj = (SMqMetaRspObj*)res;
if (pMetaRspObj->metaRsp.resMsgType == TDMT_VND_CREATE_STB) {
return processCreateStb(&pMetaRspObj->metaRsp);
} else if (pMetaRspObj->metaRsp.resMsgType == TDMT_VND_ALTER_STB) {
return processCreateStb(&pMetaRspObj->metaRsp);
} else if (pMetaRspObj->metaRsp.resMsgType == TDMT_VND_DROP_STB) {
return processDropSTable(&pMetaRspObj->metaRsp);
} else if (pMetaRspObj->metaRsp.resMsgType == TDMT_VND_CREATE_TABLE) {
return processCreateTable(&pMetaRspObj->metaRsp);
} else if (pMetaRspObj->metaRsp.resMsgType == TDMT_VND_ALTER_TABLE) {
return processAlterTable(&pMetaRspObj->metaRsp);
} else if (pMetaRspObj->metaRsp.resMsgType == TDMT_VND_DROP_TABLE) {
return processDropTable(&pMetaRspObj->metaRsp);
}
return NULL;
}
static int32_t taosCreateStb(TAOS* taos, void* meta, int32_t metaLen) {
SVCreateStbReq req = {0};
SDecoder coder;
SMCreateStbReq pReq = {0};
int32_t code = TSDB_CODE_SUCCESS;
SRequestObj* pRequest = NULL;
code = buildRequest(*(int64_t*)taos, "", 0, NULL, false, &pRequest);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
if (!pRequest->pDb) {
code = TSDB_CODE_PAR_DB_NOT_SPECIFIED;
goto end;
}
// decode and process req
void* data = POINTER_SHIFT(meta, sizeof(SMsgHead));
int32_t len = metaLen - sizeof(SMsgHead);
tDecoderInit(&coder, data, len);
if (tDecodeSVCreateStbReq(&coder, &req) < 0) {
code = TSDB_CODE_INVALID_PARA;
goto end;
}
// build create stable
pReq.pColumns = taosArrayInit(req.schemaRow.nCols, sizeof(SField));
for (int32_t i = 0; i < req.schemaRow.nCols; i++) {
SSchema* pSchema = req.schemaRow.pSchema + i;
SField field = {.type = pSchema->type, .bytes = pSchema->bytes};
strcpy(field.name, pSchema->name);
taosArrayPush(pReq.pColumns, &field);
}
pReq.pTags = taosArrayInit(req.schemaTag.nCols, sizeof(SField));
for (int32_t i = 0; i < req.schemaTag.nCols; i++) {
SSchema* pSchema = req.schemaTag.pSchema + i;
SField field = {.type = pSchema->type, .bytes = pSchema->bytes};
strcpy(field.name, pSchema->name);
taosArrayPush(pReq.pTags, &field);
}
pReq.colVer = req.schemaRow.version;
pReq.tagVer = req.schemaTag.version;
pReq.numOfColumns = req.schemaRow.nCols;
pReq.numOfTags = req.schemaTag.nCols;
pReq.commentLen = -1;
pReq.suid = req.suid;
pReq.source = 1;
STscObj* pTscObj = pRequest->pTscObj;
SName tableName;
tNameExtractFullName(toName(pTscObj->acctId, pRequest->pDb, req.name, &tableName), pReq.name);
SCmdMsgInfo pCmdMsg = {0};
pCmdMsg.epSet = getEpSet_s(&pTscObj->pAppInfo->mgmtEp);
pCmdMsg.msgType = TDMT_MND_CREATE_STB;
pCmdMsg.msgLen = tSerializeSMCreateStbReq(NULL, 0, &pReq);
pCmdMsg.pMsg = taosMemoryMalloc(pCmdMsg.msgLen);
if (NULL == pCmdMsg.pMsg) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto end;
}
tSerializeSMCreateStbReq(pCmdMsg.pMsg, pCmdMsg.msgLen, &pReq);
SQuery pQuery = {0};
pQuery.execMode = QUERY_EXEC_MODE_RPC;
pQuery.pCmdMsg = &pCmdMsg;
pQuery.msgType = pQuery.pCmdMsg->msgType;
pQuery.stableQuery = true;
launchQueryImpl(pRequest, &pQuery, true, NULL);
code = pRequest->code;
taosMemoryFree(pCmdMsg.pMsg);
end:
destroyRequest(pRequest);
tFreeSMCreateStbReq(&pReq);
tDecoderClear(&coder);
return code;
}
static int32_t taosDropStb(TAOS* taos, void* meta, int32_t metaLen) {
SVDropStbReq req = {0};
SDecoder coder;
SMDropStbReq pReq = {0};
int32_t code = TSDB_CODE_SUCCESS;
SRequestObj* pRequest = NULL;
code = buildRequest(*(int64_t*)taos, "", 0, NULL, false, &pRequest);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
if (!pRequest->pDb) {
code = TSDB_CODE_PAR_DB_NOT_SPECIFIED;
goto end;
}
// decode and process req
void* data = POINTER_SHIFT(meta, sizeof(SMsgHead));
int32_t len = metaLen - sizeof(SMsgHead);
tDecoderInit(&coder, data, len);
if (tDecodeSVDropStbReq(&coder, &req) < 0) {
code = TSDB_CODE_INVALID_PARA;
goto end;
}
// build drop stable
pReq.igNotExists = true;
pReq.source = 1;
pReq.suid = req.suid;
STscObj* pTscObj = pRequest->pTscObj;
SName tableName;
tNameExtractFullName(toName(pTscObj->acctId, pRequest->pDb, req.name, &tableName), pReq.name);
SCmdMsgInfo pCmdMsg = {0};
pCmdMsg.epSet = getEpSet_s(&pTscObj->pAppInfo->mgmtEp);
pCmdMsg.msgType = TDMT_MND_DROP_STB;
pCmdMsg.msgLen = tSerializeSMDropStbReq(NULL, 0, &pReq);
pCmdMsg.pMsg = taosMemoryMalloc(pCmdMsg.msgLen);
if (NULL == pCmdMsg.pMsg) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto end;
}
tSerializeSMDropStbReq(pCmdMsg.pMsg, pCmdMsg.msgLen, &pReq);
SQuery pQuery = {0};
pQuery.execMode = QUERY_EXEC_MODE_RPC;
pQuery.pCmdMsg = &pCmdMsg;
pQuery.msgType = pQuery.pCmdMsg->msgType;
pQuery.stableQuery = true;
launchQueryImpl(pRequest, &pQuery, true, NULL);
code = pRequest->code;
taosMemoryFree(pCmdMsg.pMsg);
end:
destroyRequest(pRequest);
tDecoderClear(&coder);
return code;
}
typedef struct SVgroupCreateTableBatch {
SVCreateTbBatchReq req;
SVgroupInfo info;
char dbName[TSDB_DB_NAME_LEN];
} SVgroupCreateTableBatch;
static void destroyCreateTbReqBatch(void* data) {
SVgroupCreateTableBatch* pTbBatch = (SVgroupCreateTableBatch*)data;
taosArrayDestroy(pTbBatch->req.pArray);
}
static int32_t taosCreateTable(TAOS* taos, void* meta, int32_t metaLen) {
SVCreateTbBatchReq req = {0};
SDecoder coder = {0};
int32_t code = TSDB_CODE_SUCCESS;
SRequestObj* pRequest = NULL;
SQuery* pQuery = NULL;
SHashObj* pVgroupHashmap = NULL;
code = buildRequest(*(int64_t*)taos, "", 0, NULL, false, &pRequest);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
if (!pRequest->pDb) {
code = TSDB_CODE_PAR_DB_NOT_SPECIFIED;
goto end;
}
// decode and process req
void* data = POINTER_SHIFT(meta, sizeof(SMsgHead));
int32_t len = metaLen - sizeof(SMsgHead);
tDecoderInit(&coder, data, len);
if (tDecodeSVCreateTbBatchReq(&coder, &req) < 0) {
code = TSDB_CODE_INVALID_PARA;
goto end;
}
STscObj* pTscObj = pRequest->pTscObj;
SVCreateTbReq* pCreateReq = NULL;
SCatalog* pCatalog = NULL;
code = catalogGetHandle(pTscObj->pAppInfo->clusterId, &pCatalog);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
pVgroupHashmap = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_NO_LOCK);
if (NULL == pVgroupHashmap) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto end;
}
taosHashSetFreeFp(pVgroupHashmap, destroyCreateTbReqBatch);
SRequestConnInfo conn = {.pTrans = pTscObj->pAppInfo->pTransporter,
.requestId = pRequest->requestId,
.requestObjRefId = pRequest->self,
.mgmtEps = getEpSet_s(&pTscObj->pAppInfo->mgmtEp)};
// loop to create table
for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
pCreateReq = req.pReqs + iReq;
SVgroupInfo pInfo = {0};
SName pName;
toName(pTscObj->acctId, pRequest->pDb, pCreateReq->name, &pName);
code = catalogGetTableHashVgroup(pCatalog, &conn, &pName, &pInfo);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
SVgroupCreateTableBatch* pTableBatch = taosHashGet(pVgroupHashmap, &pInfo.vgId, sizeof(pInfo.vgId));
if (pTableBatch == NULL) {
SVgroupCreateTableBatch tBatch = {0};
tBatch.info = pInfo;
strcpy(tBatch.dbName, pRequest->pDb);
tBatch.req.pArray = taosArrayInit(4, sizeof(struct SVCreateTbReq));
taosArrayPush(tBatch.req.pArray, pCreateReq);
taosHashPut(pVgroupHashmap, &pInfo.vgId, sizeof(pInfo.vgId), &tBatch, sizeof(tBatch));
} else { // add to the correct vgroup
taosArrayPush(pTableBatch->req.pArray, pCreateReq);
}
}
SArray* pBufArray = serializeVgroupsCreateTableBatch(pVgroupHashmap);
if (NULL == pBufArray) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto end;
}
pQuery = (SQuery*)nodesMakeNode(QUERY_NODE_QUERY);
pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE;
pQuery->msgType = TDMT_VND_CREATE_TABLE;
pQuery->stableQuery = false;
pQuery->pRoot = nodesMakeNode(QUERY_NODE_CREATE_TABLE_STMT);
code = rewriteToVnodeModifyOpStmt(pQuery, pBufArray);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
launchQueryImpl(pRequest, pQuery, false, NULL);
pQuery = NULL; // no need to free in the end
code = pRequest->code;
end:
taosHashCleanup(pVgroupHashmap);
destroyRequest(pRequest);
tDecoderClear(&coder);
qDestroyQuery(pQuery);
return code;
}
typedef struct SVgroupDropTableBatch {
SVDropTbBatchReq req;
SVgroupInfo info;
char dbName[TSDB_DB_NAME_LEN];
} SVgroupDropTableBatch;
static void destroyDropTbReqBatch(void* data) {
SVgroupDropTableBatch* pTbBatch = (SVgroupDropTableBatch*)data;
taosArrayDestroy(pTbBatch->req.pArray);
}
static int32_t taosDropTable(TAOS* taos, void* meta, int32_t metaLen) {
SVDropTbBatchReq req = {0};
SDecoder coder = {0};
int32_t code = TSDB_CODE_SUCCESS;
SRequestObj* pRequest = NULL;
SQuery* pQuery = NULL;
SHashObj* pVgroupHashmap = NULL;
code = buildRequest(*(int64_t*)taos, "", 0, NULL, false, &pRequest);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
if (!pRequest->pDb) {
code = TSDB_CODE_PAR_DB_NOT_SPECIFIED;
goto end;
}
// decode and process req
void* data = POINTER_SHIFT(meta, sizeof(SMsgHead));
int32_t len = metaLen - sizeof(SMsgHead);
tDecoderInit(&coder, data, len);
if (tDecodeSVDropTbBatchReq(&coder, &req) < 0) {
code = TSDB_CODE_INVALID_PARA;
goto end;
}
STscObj* pTscObj = pRequest->pTscObj;
SVDropTbReq* pDropReq = NULL;
SCatalog* pCatalog = NULL;
code = catalogGetHandle(pTscObj->pAppInfo->clusterId, &pCatalog);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
pVgroupHashmap = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_NO_LOCK);
if (NULL == pVgroupHashmap) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto end;
}
taosHashSetFreeFp(pVgroupHashmap, destroyDropTbReqBatch);
SRequestConnInfo conn = {.pTrans = pTscObj->pAppInfo->pTransporter,
.requestId = pRequest->requestId,
.requestObjRefId = pRequest->self,
.mgmtEps = getEpSet_s(&pTscObj->pAppInfo->mgmtEp)};
// loop to create table
for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
pDropReq = req.pReqs + iReq;
SVgroupInfo pInfo = {0};
SName pName;
toName(pTscObj->acctId, pRequest->pDb, pDropReq->name, &pName);
code = catalogGetTableHashVgroup(pCatalog, &conn, &pName, &pInfo);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
SVgroupDropTableBatch* pTableBatch = taosHashGet(pVgroupHashmap, &pInfo.vgId, sizeof(pInfo.vgId));
if (pTableBatch == NULL) {
SVgroupDropTableBatch tBatch = {0};
tBatch.info = pInfo;
tBatch.req.pArray = taosArrayInit(TARRAY_MIN_SIZE, sizeof(SVDropTbReq));
taosArrayPush(tBatch.req.pArray, pDropReq);
taosHashPut(pVgroupHashmap, &pInfo.vgId, sizeof(pInfo.vgId), &tBatch, sizeof(tBatch));
} else { // add to the correct vgroup
taosArrayPush(pTableBatch->req.pArray, pDropReq);
}
}
SArray* pBufArray = serializeVgroupsDropTableBatch(pVgroupHashmap);
if (NULL == pBufArray) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto end;
}
pQuery = (SQuery*)nodesMakeNode(QUERY_NODE_QUERY);
pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE;
pQuery->msgType = TDMT_VND_DROP_TABLE;
pQuery->stableQuery = false;
pQuery->pRoot = nodesMakeNode(QUERY_NODE_DROP_TABLE_STMT);
code = rewriteToVnodeModifyOpStmt(pQuery, pBufArray);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
launchQueryImpl(pRequest, pQuery, false, NULL);
pQuery = NULL; // no need to free in the end
code = pRequest->code;
end:
taosHashCleanup(pVgroupHashmap);
destroyRequest(pRequest);
tDecoderClear(&coder);
qDestroyQuery(pQuery);
return code;
}
static int32_t taosAlterTable(TAOS* taos, void* meta, int32_t metaLen) {
SVAlterTbReq req = {0};
SDecoder coder = {0};
int32_t code = TSDB_CODE_SUCCESS;
SRequestObj* pRequest = NULL;
SQuery* pQuery = NULL;
SArray* pArray = NULL;
SVgDataBlocks* pVgData = NULL;
code = buildRequest(*(int64_t*)taos, "", 0, NULL, false, &pRequest);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
if (!pRequest->pDb) {
code = TSDB_CODE_PAR_DB_NOT_SPECIFIED;
goto end;
}
// decode and process req
void* data = POINTER_SHIFT(meta, sizeof(SMsgHead));
int32_t len = metaLen - sizeof(SMsgHead);
tDecoderInit(&coder, data, len);
if (tDecodeSVAlterTbReq(&coder, &req) < 0) {
code = TSDB_CODE_INVALID_PARA;
goto end;
}
// do not deal TSDB_ALTER_TABLE_UPDATE_OPTIONS
if (req.action == TSDB_ALTER_TABLE_UPDATE_OPTIONS) {
goto end;
}
STscObj* pTscObj = pRequest->pTscObj;
SCatalog* pCatalog = NULL;
code = catalogGetHandle(pTscObj->pAppInfo->clusterId, &pCatalog);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
SRequestConnInfo conn = {.pTrans = pTscObj->pAppInfo->pTransporter,
.requestId = pRequest->requestId,
.requestObjRefId = pRequest->self,
.mgmtEps = getEpSet_s(&pTscObj->pAppInfo->mgmtEp)};
SVgroupInfo pInfo = {0};
SName pName = {0};
toName(pTscObj->acctId, pRequest->pDb, req.tbName, &pName);
code = catalogGetTableHashVgroup(pCatalog, &conn, &pName, &pInfo);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
pArray = taosArrayInit(1, sizeof(void*));
if (NULL == pArray) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto end;
}
pVgData = taosMemoryCalloc(1, sizeof(SVgDataBlocks));
if (NULL == pVgData) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto end;
}
pVgData->vg = pInfo;
pVgData->pData = taosMemoryMalloc(metaLen);
if (NULL == pVgData->pData) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto end;
}
memcpy(pVgData->pData, meta, metaLen);
((SMsgHead*)pVgData->pData)->vgId = htonl(pInfo.vgId);
pVgData->size = metaLen;
pVgData->numOfTables = 1;
taosArrayPush(pArray, &pVgData);
pQuery = (SQuery*)nodesMakeNode(QUERY_NODE_QUERY);
pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE;
pQuery->msgType = TDMT_VND_ALTER_TABLE;
pQuery->stableQuery = false;
pQuery->pRoot = nodesMakeNode(QUERY_NODE_ALTER_TABLE_STMT);
code = rewriteToVnodeModifyOpStmt(pQuery, pArray);
if (code != TSDB_CODE_SUCCESS) {
goto end;
}
launchQueryImpl(pRequest, pQuery, false, NULL);
pQuery = NULL; // no need to free in the end
pVgData = NULL;
pArray = NULL;
code = pRequest->code;
end:
taosArrayDestroy(pArray);
if (pVgData) taosMemoryFreeClear(pVgData->pData);
taosMemoryFreeClear(pVgData);
destroyRequest(pRequest);
tDecoderClear(&coder);
qDestroyQuery(pQuery);
return code;
}
int32_t taos_write_raw_meta(TAOS* taos, tmq_raw_data* raw_meta) {
if (!taos || !raw_meta) {
return TSDB_CODE_INVALID_PARA;
}
if (raw_meta->raw_meta_type == TDMT_VND_CREATE_STB) {
return taosCreateStb(taos, raw_meta->raw_meta, raw_meta->raw_meta_len);
} else if (raw_meta->raw_meta_type == TDMT_VND_ALTER_STB) {
return taosCreateStb(taos, raw_meta->raw_meta, raw_meta->raw_meta_len);
} else if (raw_meta->raw_meta_type == TDMT_VND_DROP_STB) {
return taosDropStb(taos, raw_meta->raw_meta, raw_meta->raw_meta_len);
} else if (raw_meta->raw_meta_type == TDMT_VND_CREATE_TABLE) {
return taosCreateTable(taos, raw_meta->raw_meta, raw_meta->raw_meta_len);
} else if (raw_meta->raw_meta_type == TDMT_VND_ALTER_TABLE) {
return taosAlterTable(taos, raw_meta->raw_meta, raw_meta->raw_meta_len);
} else if (raw_meta->raw_meta_type == TDMT_VND_DROP_TABLE) {
return taosDropTable(taos, raw_meta->raw_meta, raw_meta->raw_meta_len);
}
return TSDB_CODE_INVALID_PARA;
}
void tmq_commit_async(tmq_t* tmq, const TAOS_RES* msg, tmq_commit_cb* cb, void* param) {
tmqCommitInner2(tmq, msg, 0, 1, cb, param);
}
int32_t tmq_commit_sync(tmq_t* tmq, const TAOS_RES* msg) { return tmqCommitInner2(tmq, msg, 0, 0, NULL, NULL); }
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