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add subscribe for sdb

This commit is contained in:
Liu Jicong 2022-01-19 16:28:13 +08:00
parent 66f610f8df
commit 00ccbb4a3a
11 changed files with 934 additions and 259 deletions
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24
include/common/tmsg.h
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@ -324,6 +324,30 @@ static FORCE_INLINE void* taosDecodeSMqMsg(void* buf, SMqHbMsg* pMsg) {
return buf;
}
typedef struct SMqSetCVgReq {
int32_t vgId;
int64_t consumerId;
char topicName[TSDB_TOPIC_FNAME_LEN];
char cGroup[TSDB_CONSUMER_GROUP_LEN];
} SMqSetCVgReq;
static FORCE_INLINE int32_t tEncodeSMqSetCVgReq(void** buf, const SMqSetCVgReq* pReq) {
int32_t tlen = 0;
tlen += taosEncodeFixedI32(buf, pReq->vgId);
tlen += taosEncodeFixedI64(buf, pReq->consumerId);
tlen += taosEncodeString(buf, pReq->topicName);
tlen += taosEncodeString(buf, pReq->cGroup);
return tlen;
}
static FORCE_INLINE void* tDecodeSMqSetCVgReq(void* buf, SMqSetCVgReq* pReq) {
buf = taosDecodeFixedI32(buf, &pReq->vgId);
buf = taosDecodeFixedI64(buf, &pReq->consumerId);
buf = taosDecodeStringTo(buf, pReq->topicName);
buf = taosDecodeStringTo(buf, pReq->cGroup);
return buf;
}
typedef struct {
int32_t vgId;
char* dbName;

4
include/dnode/mnode/sdb/sdb.h
View File

@ -113,8 +113,8 @@ typedef enum {
SDB_USER = 7,
SDB_AUTH = 8,
SDB_ACCT = 9,
SDB_CONSUMER = 10,
SDB_CGROUP = 11,
SDB_SUBSCRIBE = 10,
SDB_CONSUMER = 11,
SDB_TOPIC = 12,
SDB_VGROUP = 13,
SDB_STB = 14,

1
include/util/tdef.h
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@ -178,6 +178,7 @@ do { \
#define TSDB_TABLE_FNAME_LEN (TSDB_DB_FNAME_LEN + TSDB_TABLE_NAME_LEN + TSDB_NAME_DELIMITER_LEN)
#define TSDB_TOPIC_FNAME_LEN TSDB_TABLE_FNAME_LEN
#define TSDB_CONSUMER_GROUP_LEN 192
#define TSDB_SUBSCRIBE_KEY_LEN (TSDB_CONSUMER_GROUP_LEN + TSDB_TOPIC_FNAME_LEN + 2)
#define TSDB_COL_NAME_LEN 65
#define TSDB_MAX_SAVED_SQL_LEN TSDB_MAX_COLUMNS * 64
#define TSDB_MAX_SQL_LEN TSDB_PAYLOAD_SIZE

3
source/dnode/mnode/impl/inc/mndConsumer.h
View File

@ -28,6 +28,9 @@ void mndCleanupConsumer(SMnode *pMnode);
SMqConsumerObj *mndAcquireConsumer(SMnode *pMnode, int32_t consumerId);
void mndReleaseConsumer(SMnode *pMnode, SMqConsumerObj *pConsumer);
SSdbRaw *mndConsumerActionEncode(SMqConsumerObj *pConsumer);
SSdbRow *mndConsumerActionDecode(SSdbRaw *pRaw);
#ifdef __cplusplus
}
#endif

236
source/dnode/mnode/impl/inc/mndDef.h
View File

@ -326,17 +326,156 @@ typedef struct SMqTopicConsumer {
#endif
typedef struct SMqConsumerEp {
int32_t vgId;
int32_t vgId; // -1 for unassigned
SEpSet epset;
int64_t consumerId;
int64_t consumerId; // -1 for unassigned
int64_t lastConsumerHbTs;
int64_t lastVgHbTs;
} SMqConsumerEp;
typedef struct SMqCgroupTopicPair {
char key[TSDB_CONSUMER_GROUP_LEN + TSDB_TOPIC_FNAME_LEN];
static FORCE_INLINE int32_t tEncodeSMqConsumerEp(void** buf, SMqConsumerEp* pConsumerEp) {
int32_t tlen = 0;
tlen += taosEncodeFixedI32(buf, pConsumerEp->vgId);
tlen += taosEncodeSEpSet(buf, &pConsumerEp->epset);
tlen += taosEncodeFixedI64(buf, pConsumerEp->consumerId);
return tlen;
}
static FORCE_INLINE void* tDecodeSMqConsumerEp(void** buf, SMqConsumerEp* pConsumerEp) {
buf = taosDecodeFixedI32(buf, &pConsumerEp->vgId);
buf = taosDecodeSEpSet(buf, &pConsumerEp->epset);
buf = taosDecodeFixedI64(buf, &pConsumerEp->consumerId);
return buf;
}
//unit for rebalance
typedef struct SMqSubscribeObj {
char key[TSDB_SUBSCRIBE_KEY_LEN];
int32_t epoch;
//TODO: replace with priority queue
SArray* availConsumer; // SArray<int64_t> (consumerId)
SArray* assigned; // SArray<SMqConsumerEp>
SArray* unassignedConsumer;
SArray* unassignedVg;
} SMqCgroupTopicPair;
SArray* unassignedConsumer; // SArray<SMqConsumerEp>
SArray* unassignedVg; // SArray<SMqConsumerEp>
} SMqSubscribeObj;
static FORCE_INLINE SMqSubscribeObj* tNewSubscribeObj() {
SMqSubscribeObj* pSub = malloc(sizeof(SMqSubscribeObj));
pSub->key[0] = 0;
pSub->epoch = 0;
if (pSub == NULL) {
return NULL;
}
pSub->availConsumer = taosArrayInit(0, sizeof(int64_t));
if (pSub->availConsumer == NULL) {
free(pSub);
return NULL;
}
pSub->assigned = taosArrayInit(0, sizeof(SMqConsumerEp));
if (pSub->assigned == NULL) {
taosArrayDestroy(pSub->availConsumer);
free(pSub);
return NULL;
}
pSub->unassignedConsumer = taosArrayInit(0, sizeof(SMqConsumerEp));
if (pSub->assigned == NULL) {
taosArrayDestroy(pSub->availConsumer);
taosArrayDestroy(pSub->unassignedConsumer);
free(pSub);
return NULL;
}
pSub->unassignedVg = taosArrayInit(0, sizeof(SMqConsumerEp));
if (pSub->assigned == NULL) {
taosArrayDestroy(pSub->availConsumer);
taosArrayDestroy(pSub->unassignedConsumer);
taosArrayDestroy(pSub->unassignedVg);
free(pSub);
return NULL;
}
return NULL;
}
static FORCE_INLINE int32_t tEncodeSubscribeObj(void** buf, const SMqSubscribeObj* pSub) {
int32_t tlen = 0;
tlen += taosEncodeString(buf, pSub->key);
tlen += taosEncodeFixedI32(buf, pSub->epoch);
int32_t sz;
sz = taosArrayGetSize(pSub->availConsumer);
tlen += taosEncodeFixedI32(buf, sz);
for (int32_t i = 0; i < sz; i++) {
int64_t* pConsumerId = taosArrayGet(pSub->availConsumer, i);
tlen += taosEncodeFixedI64(buf, *pConsumerId);
}
sz = taosArrayGetSize(pSub->assigned);
tlen += taosEncodeFixedI32(buf, sz);
for (int32_t i = 0; i < sz; i++) {
SMqConsumerEp* pCEp = taosArrayGet(pSub->assigned, i);
tlen += tEncodeSMqConsumerEp(buf, pCEp);
}
sz = taosArrayGetSize(pSub->unassignedConsumer);
tlen += taosEncodeFixedI32(buf, sz);
for (int32_t i = 0; i < sz; i++) {
SMqConsumerEp* pCEp = taosArrayGet(pSub->unassignedConsumer, i);
tlen += tEncodeSMqConsumerEp(buf, pCEp);
}
sz = taosArrayGetSize(pSub->unassignedVg);
tlen += taosEncodeFixedI32(buf, sz);
for (int32_t i = 0; i < sz; i++) {
SMqConsumerEp* pCEp = taosArrayGet(pSub->unassignedVg, i);
tlen += tEncodeSMqConsumerEp(buf, pCEp);
}
return tlen;
}
static FORCE_INLINE void* tDecodeSubscribeObj(void* buf, SMqSubscribeObj* pSub) {
buf = taosDecodeStringTo(buf, pSub->key);
buf = taosDecodeFixedI32(buf, &pSub->epoch);
int32_t sz;
buf = taosDecodeFixedI32(buf, &sz);
pSub->assigned = taosArrayInit(sz, sizeof(int64_t));
if (pSub->assigned == NULL) {
return NULL;
}
for (int32_t i = 0; i < sz; i++) {
int64_t consumerId;
buf = taosDecodeFixedI64(buf, &consumerId);
taosArrayPush(pSub->assigned, &consumerId);
}
buf = taosDecodeFixedI32(buf, &sz);
pSub->unassignedConsumer = taosArrayInit(sz, sizeof(SMqConsumerEp));
if (pSub->unassignedConsumer == NULL) {
taosArrayDestroy(pSub->assigned);
return NULL;
}
for (int32_t i = 0; i < sz; i++) {
SMqConsumerEp cEp;
buf = tDecodeSMqConsumerEp(buf, &cEp);
taosArrayPush(pSub->unassignedConsumer, &cEp);
}
buf = taosDecodeFixedI32(buf, &sz);
pSub->unassignedVg = taosArrayInit(sz, sizeof(SMqConsumerEp));
if (pSub->unassignedVg == NULL) {
taosArrayDestroy(pSub->assigned);
taosArrayDestroy(pSub->unassignedConsumer);
return NULL;
}
for (int32_t i = 0; i < sz; i++) {
SMqConsumerEp cEp;
buf = tDecodeSMqConsumerEp(buf, &cEp);
taosArrayPush(pSub->unassignedVg, &cEp);
}
return buf;
}
typedef struct SMqCGroup {
char name[TSDB_CONSUMER_GROUP_LEN];
@ -358,8 +497,8 @@ typedef struct SMqTopicObj {
char *sql;
char *logicalPlan;
char *physicalPlan;
SHashObj *cgroups; // SHashObj<SMqCGroup>
SHashObj *consumers; // SHashObj<SMqConsumerObj>
//SHashObj *cgroups; // SHashObj<SMqCGroup>
//SHashObj *consumers; // SHashObj<SMqConsumerObj>
} SMqTopicObj;
// TODO: add cache and change name to id
@ -367,18 +506,93 @@ typedef struct SMqConsumerTopic {
char name[TSDB_TOPIC_FNAME_LEN];
int32_t epoch;
//TODO: replace with something with ep
SList *vgroups; // SList<int32_t>
//SList *vgroups; // SList<int32_t>
//vg assigned to the consumer on the topic
SArray *pVgInfo; // SArray<int32_t>
} SMqConsumerTopic;
static FORCE_INLINE SMqConsumerTopic* tNewConsumerTopic(int64_t consumerId, SMqTopicObj* pTopic, SMqSubscribeObj* pSub) {
SMqConsumerTopic* pCTopic = malloc(sizeof(SMqConsumerTopic));
if (pCTopic == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
strcpy(pCTopic->name, pTopic->name);
pCTopic->epoch = 0;
pCTopic->pVgInfo = taosArrayInit(0, sizeof(int32_t));
int32_t unassignedVgSz = taosArrayGetSize(pSub->unassignedVg);
if (unassignedVgSz > 0) {
SMqConsumerEp* pCEp = taosArrayPop(pSub->unassignedVg);
pCEp->consumerId = consumerId;
taosArrayPush(pCTopic->pVgInfo, &pCEp->vgId);
taosArrayPush(pSub->assigned, pCEp);
}
return pCTopic;
}
static FORCE_INLINE int32_t tEncodeSMqConsumerTopic(void** buf, SMqConsumerTopic* pConsumerTopic) {
int32_t tlen = 0;
tlen += taosEncodeString(buf, pConsumerTopic->name);
tlen += taosEncodeFixedI32(buf, pConsumerTopic->epoch);
int32_t sz = taosArrayGetSize(pConsumerTopic->pVgInfo);
tlen += taosEncodeFixedI32(buf, sz);
for (int32_t i = 0; i < sz; i++) {
int32_t* pVgInfo = taosArrayGet(pConsumerTopic->pVgInfo, i);
tlen += taosEncodeFixedI32(buf, *pVgInfo);
}
return tlen;
}
static FORCE_INLINE void* tDecodeSMqConsumerTopic(void* buf, SMqConsumerTopic* pConsumerTopic) {
buf = taosDecodeStringTo(buf, pConsumerTopic->name);
buf = taosDecodeFixedI32(buf, &pConsumerTopic->epoch);
int32_t sz;
buf = taosDecodeFixedI32(buf, &sz);
pConsumerTopic->pVgInfo = taosArrayInit(sz, sizeof(SMqConsumerTopic));
for (int32_t i = 0; i < sz; i++) {
int32_t vgInfo;
buf = taosDecodeFixedI32(buf, &vgInfo);
taosArrayPush(pConsumerTopic->pVgInfo, &vgInfo);
}
return buf;
}
typedef struct SMqConsumerObj {
int64_t consumerId;
SRWLatch lock;
char cgroup[TSDB_CONSUMER_GROUP_LEN];
SArray *topics; // SArray<SMqConsumerTopic>
SHashObj *topicHash; //SHashObj<SMqConsumerTopic>
//SHashObj *topicHash; //SHashObj<SMqTopicObj>
} SMqConsumerObj;
static FORCE_INLINE int32_t tEncodeSMqConsumerObj(void** buf, const SMqConsumerObj* pConsumer) {
int32_t tlen = 0;
tlen += taosEncodeFixedI64(buf, pConsumer->consumerId);
tlen += taosEncodeString(buf, pConsumer->cgroup);
int32_t sz = taosArrayGetSize(pConsumer->topics);
tlen += taosEncodeFixedI32(buf, sz);
for (int32_t i = 0; i < sz; i++) {
SMqConsumerTopic* pConsumerTopic = taosArrayGet(pConsumer->topics, i);
tlen += tEncodeSMqConsumerTopic(buf, pConsumerTopic);
}
return tlen;
}
static FORCE_INLINE void* tDecodeSMqConsumerObj(void* buf, SMqConsumerObj* pConsumer) {
buf = taosDecodeFixedI64(buf, &pConsumer->consumerId);
buf = taosDecodeStringTo(buf, pConsumer->cgroup);
int32_t sz;
buf = taosDecodeFixedI32(buf, &sz);
pConsumer->topics = taosArrayInit(sz, sizeof(SMqConsumerObj));
for (int32_t i = 0; i < sz; i++) {
SMqConsumerTopic cTopic;
buf = tDecodeSMqConsumerTopic(buf, &cTopic);
taosArrayPush(pConsumer->topics, &cTopic);
}
return buf;
}
typedef struct SMqSubConsumerObj {
int64_t consumerUid; // if -1, unassigned
SList *vgId; // SList<int32_t>

38
source/dnode/mnode/impl/inc/mndSubscribe.h Normal file
View File

@ -0,0 +1,38 @@
/*
* 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/>.
*/
#ifndef _TD_MND_SUBSCRIBE_H_
#define _TD_MND_SUBSCRIBE_H_
#include "mndInt.h"
#ifdef __cplusplus
extern "C" {
#endif
int32_t mndInitSubscribe(SMnode *pMnode);
void mndCleanupSubscribe(SMnode *pMnode);
SMqSubscribeObj *mndAcquireSubscribe(SMnode *pMnode, char *CGroup, char *topicName);
void mndReleaseSubscribe(SMnode *pMnode, SMqSubscribeObj *pSub);
SSdbRaw *mndSubscribeActionEncode(SMqSubscribeObj *pSub);
SSdbRow *mndSubscribeActionDecode(SSdbRaw *pRaw);
#ifdef __cplusplus
}
#endif
#endif /*_TD_MND_SUBSCRIBE_H_*/

267
source/dnode/mnode/impl/src/mndConsumer.c
View File

@ -30,24 +30,14 @@
#define MND_CONSUMER_VER_NUMBER 1
#define MND_CONSUMER_RESERVE_SIZE 64
static SSdbRaw *mndConsumerActionEncode(SMqConsumerObj *pConsumer);
static SSdbRow *mndConsumerActionDecode(SSdbRaw *pRaw);
static int32_t mndConsumerActionInsert(SSdb *pSdb, SMqConsumerObj *pConsumer);
static int32_t mndConsumerActionDelete(SSdb *pSdb, SMqConsumerObj *pConsumer);
static int32_t mndConsumerActionUpdate(SSdb *pSdb, SMqConsumerObj *pConsumer, SMqConsumerObj *pNewConsumer);
static int32_t mndProcessCreateConsumerMsg(SMnodeMsg *pMsg);
static int32_t mndProcessDropConsumerMsg(SMnodeMsg *pMsg);
static int32_t mndProcessDropConsumerInRsp(SMnodeMsg *pMsg);
static int32_t mndProcessConsumerMetaMsg(SMnodeMsg *pMsg);
static int32_t mndGetConsumerMeta(SMnodeMsg *pMsg, SShowObj *pShow, STableMetaRsp *pMeta);
static int32_t mndRetrieveConsumer(SMnodeMsg *pMsg, SShowObj *pShow, char *data, int32_t rows);
static void mndCancelGetNextConsumer(SMnode *pMnode, void *pIter);
static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg);
static int32_t mndProcessSubscribeRsp(SMnodeMsg *pMsg);
static int32_t mndProcessSubscribeInternalReq(SMnodeMsg *pMsg);
static int32_t mndProcessSubscribeInternalRsp(SMnodeMsg *pMsg);
int32_t mndInitConsumer(SMnode *pMnode) {
SSdbTable table = {.sdbType = SDB_CONSUMER,
.keyType = SDB_KEY_BINARY,
@ -57,26 +47,29 @@ int32_t mndInitConsumer(SMnode *pMnode) {
.updateFp = (SdbUpdateFp)mndConsumerActionUpdate,
.deleteFp = (SdbDeleteFp)mndConsumerActionDelete};
mndSetMsgHandle(pMnode, TDMT_MND_SUBSCRIBE, mndProcessSubscribeReq);
/*mndSetMsgHandle(pMnode, TDMT_MND_SUBSCRIBE_RSP, mndProcessSubscribeRsp);*/
/*mndSetMsgHandle(pMnode, TDMT_VND_SUBSCRIBE, mndProcessSubscribeInternalReq);*/
mndSetMsgHandle(pMnode, TDMT_VND_SUBSCRIBE_RSP, mndProcessSubscribeInternalRsp);
return sdbSetTable(pMnode->pSdb, table);
}
void mndCleanupConsumer(SMnode *pMnode) {}
static void *mndBuildMqVGroupSetReq(SMnode *pMnode, char *topicName, int32_t vgId, int64_t consumerId, char *cgroup) {
return 0;
}
static SSdbRaw *mndConsumerActionEncode(SMqConsumerObj *pConsumer) {
int32_t size = sizeof(SMqConsumerObj) + MND_CONSUMER_RESERVE_SIZE;
SSdbRaw *pRaw = sdbAllocRaw(SDB_CONSUMER, MND_CONSUMER_VER_NUMBER, size);
SSdbRaw *mndConsumerActionEncode(SMqConsumerObj *pConsumer) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
int32_t tlen = tEncodeSMqConsumerObj(NULL, pConsumer);
SSdbRaw *pRaw = sdbAllocRaw(SDB_CONSUMER, MND_CONSUMER_VER_NUMBER, tlen);
if (pRaw == NULL) goto CM_ENCODE_OVER;
void* buf = malloc(tlen);
if (buf == NULL) goto CM_ENCODE_OVER;
void* abuf = buf;
tEncodeSMqConsumerObj(&abuf, pConsumer);
int32_t dataPos = 0;
SDB_SET_INT32(pRaw, dataPos, tlen, CM_ENCODE_OVER);
SDB_SET_BINARY(pRaw, dataPos, buf, tlen, CM_ENCODE_OVER);
#if 0
int32_t topicNum = taosArrayGetSize(pConsumer->topics);
SDB_SET_INT64(pRaw, dataPos, pConsumer->consumerId, CM_ENCODE_OVER);
int32_t len = strlen(pConsumer->cgroup);
@ -101,10 +94,13 @@ static SSdbRaw *mndConsumerActionEncode(SMqConsumerObj *pConsumer) {
/*SDB_SET_INT64(pRaw, dataPos, 0[> change to list item <]);*/
}
}
#endif
SDB_SET_RESERVE(pRaw, dataPos, MND_CONSUMER_RESERVE_SIZE, CM_ENCODE_OVER);
SDB_SET_DATALEN(pRaw, dataPos, CM_ENCODE_OVER);
terrno = TSDB_CODE_SUCCESS;
CM_ENCODE_OVER:
if (terrno != 0) {
mError("consumer:%ld, failed to encode to raw:%p since %s", pConsumer->consumerId, pRaw, terrstr());
@ -116,7 +112,7 @@ CM_ENCODE_OVER:
return pRaw;
}
static SSdbRow *mndConsumerActionDecode(SSdbRaw *pRaw) {
SSdbRow *mndConsumerActionDecode(SSdbRaw *pRaw) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
int8_t sver = 0;
@ -127,18 +123,27 @@ static SSdbRow *mndConsumerActionDecode(SSdbRaw *pRaw) {
goto CONSUME_DECODE_OVER;
}
int32_t size = sizeof(SMqConsumerObj);
SSdbRow *pRow = sdbAllocRow(size);
SSdbRow *pRow = sdbAllocRow(sizeof(SMqConsumerObj));
if (pRow == NULL) goto CONSUME_DECODE_OVER;
SMqConsumerObj *pConsumer = sdbGetRowObj(pRow);
if (pConsumer == NULL) goto CONSUME_DECODE_OVER;
int32_t dataPos = 0;
SDB_GET_INT64(pRaw, dataPos, &pConsumer->consumerId, CONSUME_DECODE_OVER);
int32_t len, topicNum;
int32_t len;
SDB_GET_INT32(pRaw, dataPos, &len, CONSUME_DECODE_OVER);
SDB_GET_BINARY(pRaw, dataPos, pConsumer->cgroup, len, CONSUME_DECODE_OVER);
void* buf = malloc(len);
if (buf == NULL) goto CONSUME_DECODE_OVER;
SDB_GET_BINARY(pRaw, dataPos, buf, len, CONSUME_DECODE_OVER);
tDecodeSMqConsumerObj(buf, pConsumer);
SDB_GET_RESERVE(pRaw, dataPos, MND_CONSUMER_RESERVE_SIZE, CONSUME_DECODE_OVER);
terrno = TSDB_CODE_SUCCESS;
#if 0
SDB_GET_INT32(pRaw, dataPos, &topicNum, CONSUME_DECODE_OVER);
for (int i = 0; i < topicNum; i++) {
int32_t topicLen;
@ -154,6 +159,7 @@ static SSdbRow *mndConsumerActionDecode(SSdbRaw *pRaw) {
int32_t vgSize;
SDB_GET_INT32(pRaw, dataPos, &vgSize, CONSUME_DECODE_OVER);
}
#endif
CONSUME_DECODE_OVER:
if (terrno != 0) {
@ -162,8 +168,6 @@ CONSUME_DECODE_OVER:
return NULL;
}
/*SDB_GET_RESERVE(pRaw, dataPos, MND_CONSUMER_RESERVE_SIZE);*/
return pRow;
}
@ -201,214 +205,13 @@ void mndReleaseConsumer(SMnode *pMnode, SMqConsumerObj *pConsumer) {
sdbRelease(pSdb, pConsumer);
}
static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg) {
SMnode *pMnode = pMsg->pMnode;
char *msgStr = pMsg->rpcMsg.pCont;
SCMSubscribeReq subscribe;
tDeserializeSCMSubscribeReq(msgStr, &subscribe);
int64_t consumerId = subscribe.consumerId;
char *consumerGroup = subscribe.consumerGroup;
int32_t cgroupLen = strlen(consumerGroup);
SArray *newSub = NULL;
int newTopicNum = subscribe.topicNum;
if (newTopicNum) {
newSub = taosArrayInit(newTopicNum, sizeof(SMqConsumerTopic));
}
SMqConsumerTopic *pConsumerTopics = calloc(newTopicNum, sizeof(SMqConsumerTopic));
if (pConsumerTopics == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
for (int i = 0; i < newTopicNum; i++) {
char *newTopicName = taosArrayGetP(newSub, i);
SMqConsumerTopic *pConsumerTopic = &pConsumerTopics[i];
strcpy(pConsumerTopic->name, newTopicName);
pConsumerTopic->vgroups = tdListNew(sizeof(int64_t));
}
taosArrayAddBatch(newSub, pConsumerTopics, newTopicNum);
free(pConsumerTopics);
taosArraySortString(newSub, taosArrayCompareString);
SArray *oldSub = NULL;
int oldTopicNum = 0;
// create consumer if not exist
SMqConsumerObj *pConsumer = mndAcquireConsumer(pMnode, consumerId);
if (pConsumer == NULL) {
// create consumer
pConsumer = malloc(sizeof(SMqConsumerObj));
if (pConsumer == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
pConsumer->consumerId = consumerId;
strcpy(pConsumer->cgroup, consumerGroup);
} else {
oldSub = pConsumer->topics;
oldTopicNum = taosArrayGetSize(oldSub);
}
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, &pMsg->rpcMsg);
if (pTrans == NULL) {
//TODO: free memory
return -1;
}
int i = 0, j = 0;
while (i < newTopicNum || j < oldTopicNum) {
SMqConsumerTopic *pOldTopic = NULL;
SMqConsumerTopic *pNewTopic = NULL;
if (i >= newTopicNum) {
// encode unset topic msg to all vnodes related to that topic
pOldTopic = taosArrayGet(oldSub, j);
j++;
} else if (j >= oldTopicNum) {
pNewTopic = taosArrayGet(newSub, i);
i++;
} else {
pNewTopic = taosArrayGet(newSub, i);
pOldTopic = taosArrayGet(oldSub, j);
char *newName = pNewTopic->name;
char *oldName = pOldTopic->name;
int comp = compareLenPrefixedStr(newName, oldName);
if (comp == 0) {
// do nothing
pOldTopic = pNewTopic = NULL;
i++;
j++;
continue;
} else if (comp < 0) {
pOldTopic = NULL;
i++;
} else {
pNewTopic = NULL;
j++;
}
}
if (pOldTopic != NULL) {
//cancel subscribe of that old topic
ASSERT(pNewTopic == NULL);
char *oldTopicName = pOldTopic->name;
SList *vgroups = pOldTopic->vgroups;
SListIter iter;
tdListInitIter(vgroups, &iter, TD_LIST_FORWARD);
SListNode *pn;
SMqTopicObj *pTopic = mndAcquireTopic(pMnode, oldTopicName);
ASSERT(pTopic != NULL);
SMqCGroup *pGroup = taosHashGet(pTopic->cgroups, consumerGroup, cgroupLen);
while ((pn = tdListNext(&iter)) != NULL) {
int32_t vgId = *(int64_t *)pn->data;
// acquire and get epset
SVgObj *pVgObj = mndAcquireVgroup(pMnode, vgId);
// TODO what time to release?
if (pVgObj == NULL) {
// TODO handle error
continue;
}
//build reset msg
void *pMqVgSetReq = mndBuildMqVGroupSetReq(pMnode, oldTopicName, vgId, consumerId, consumerGroup);
// TODO:serialize
if (pMsg == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
STransAction action = {0};
action.epSet = mndGetVgroupEpset(pMnode, pVgObj);
action.pCont = pMqVgSetReq;
action.contLen = 0; // TODO
action.msgType = TDMT_VND_MQ_SET_CONN;
if (mndTransAppendRedoAction(pTrans, &action) != 0) {
free(pMqVgSetReq);
mndTransDrop(pTrans);
// TODO free
return -1;
}
}
//delete data in mnode
taosHashRemove(pTopic->cgroups, consumerGroup, cgroupLen);
mndReleaseTopic(pMnode, pTopic);
} else if (pNewTopic != NULL) {
// save subscribe info to mnode
ASSERT(pOldTopic == NULL);
char *newTopicName = pNewTopic->name;
SMqTopicObj *pTopic = mndAcquireTopic(pMnode, newTopicName);
ASSERT(pTopic != NULL);
SMqCGroup *pGroup = taosHashGet(pTopic->cgroups, consumerGroup, cgroupLen);
if (pGroup == NULL) {
// add new group
pGroup = malloc(sizeof(SMqCGroup));
if (pGroup == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
pGroup->consumerIds = tdListNew(sizeof(int64_t));
if (pGroup->consumerIds == NULL) {
free(pGroup);
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
pGroup->status = 0;
// add into cgroups
taosHashPut(pTopic->cgroups, consumerGroup, cgroupLen, pGroup, sizeof(SMqCGroup));
}
/*taosHashPut(pTopic->consumers, &pConsumer->consumerId, sizeof(int64_t), pConsumer, sizeof(SMqConsumerObj));*/
// put the consumer into list
// rebalance will be triggered by timer
tdListAppend(pGroup->consumerIds, &consumerId);
SSdbRaw *pTopicRaw = mndTopicActionEncode(pTopic);
sdbSetRawStatus(pTopicRaw, SDB_STATUS_READY);
// TODO: error handling
mndTransAppendRedolog(pTrans, pTopicRaw);
mndReleaseTopic(pMnode, pTopic);
} else {
ASSERT(0);
}
}
// destroy old sub
taosArrayDestroy(oldSub);
// put new sub into consumerobj
pConsumer->topics = newSub;
// persist consumerObj
SSdbRaw *pConsumerRaw = mndConsumerActionEncode(pConsumer);
sdbSetRawStatus(pConsumerRaw, SDB_STATUS_READY);
// TODO: error handling
mndTransAppendRedolog(pTrans, pConsumerRaw);
if (mndTransPrepare(pMnode, pTrans) != 0) {
mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
mndTransDrop(pTrans);
mndReleaseConsumer(pMnode, pConsumer);
return -1;
}
// TODO: free memory
mndTransDrop(pTrans);
mndReleaseConsumer(pMnode, pConsumer);
return 0;
}
static int32_t mndProcessSubscribeInternalRsp(SMnodeMsg *pMsg) { return 0; }
#if 0
static int32_t mndProcessConsumerMetaMsg(SMnodeMsg *pMsg) {
SMnode *pMnode = pMsg->pMnode;
STableInfoReq *pInfo = pMsg->rpcMsg.pCont;
mDebug("consumer:%s, start to retrieve meta", pInfo->tableFname);
#if 0
SDbObj *pDb = mndAcquireDbByConsumer(pMnode, pInfo->tableFname);
if (pDb == NULL) {
terrno = TSDB_CODE_MND_DB_NOT_SELECTED;
@ -463,7 +266,6 @@ static int32_t mndProcessConsumerMetaMsg(SMnodeMsg *pMsg) {
pMsg->contLen = contLen;
mDebug("consumer:%s, meta is retrieved, cols:%d tags:%d", pInfo->tableFname, pConsumer->numOfColumns, pConsumer->numOfTags);
#endif
return 0;
}
@ -546,3 +348,4 @@ static void mndCancelGetNextConsumer(SMnode *pMnode, void *pIter) {
SSdb *pSdb = pMnode->pSdb;
sdbCancelFetch(pSdb, pIter);
}
#endif

3
source/dnode/mnode/impl/src/mndProfile.c
View File

@ -273,6 +273,7 @@ static int32_t mndSaveQueryStreamList(SConnObj *pConn, SHeartBeatReq *pReq) {
}
static SClientHbRsp* mndMqHbBuildRsp(SMnode* pMnode, SClientHbReq* pReq) {
#if 0
SClientHbRsp* pRsp = malloc(sizeof(SClientHbRsp));
if (pRsp == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
@ -332,6 +333,8 @@ static SClientHbRsp* mndMqHbBuildRsp(SMnode* pMnode, SClientHbReq* pReq) {
pRsp->body = buf;
pRsp->bodyLen = tlen;
return pRsp;
#endif
return NULL;
}
static int32_t mndProcessHeartBeatReq(SMnodeMsg *pReq) {

597
source/dnode/mnode/impl/src/mndSubscribe.c Normal file
View File

@ -0,0 +1,597 @@
/*
* 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/>.
*/
#define _DEFAULT_SOURCE
#include "mndConsumer.h"
#include "mndDb.h"
#include "mndDnode.h"
#include "mndMnode.h"
#include "mndShow.h"
#include "mndStb.h"
#include "mndSubscribe.h"
#include "mndTopic.h"
#include "mndTrans.h"
#include "mndUser.h"
#include "mndVgroup.h"
#include "tcompare.h"
#include "tname.h"
#define MND_SUBSCRIBE_VER_NUMBER 1
#define MND_SUBSCRIBE_RESERVE_SIZE 64
static SSdbRaw *mndSubActionEncode(SMqSubscribeObj *);
static SSdbRow *mndSubActionDecode(SSdbRaw *pRaw);
static int32_t mndSubActionInsert(SSdb *pSdb, SMqSubscribeObj *);
static int32_t mndSubActionDelete(SSdb *pSdb, SMqSubscribeObj *);
static int32_t mndSubActionUpdate(SSdb *pSdb, SMqSubscribeObj *pOldSub, SMqSubscribeObj *pNewSub);
static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg);
static int32_t mndProcessSubscribeRsp(SMnodeMsg *pMsg);
static int32_t mndProcessSubscribeInternalReq(SMnodeMsg *pMsg);
static int32_t mndProcessSubscribeInternalRsp(SMnodeMsg *pMsg);
int32_t mndInitSubscribe(SMnode *pMnode) {
SSdbTable table = {.sdbType = SDB_SUBSCRIBE,
.keyType = SDB_KEY_BINARY,
.encodeFp = (SdbEncodeFp)mndSubActionEncode,
.decodeFp = (SdbDecodeFp)mndSubActionDecode,
.insertFp = (SdbInsertFp)mndSubActionInsert,
.updateFp = (SdbUpdateFp)mndSubActionUpdate,
.deleteFp = (SdbDeleteFp)mndSubActionDelete};
mndSetMsgHandle(pMnode, TDMT_MND_SUBSCRIBE, mndProcessSubscribeReq);
/*mndSetMsgHandle(pMnode, TDMT_MND_SUBSCRIBE_RSP, mndProcessSubscribeRsp);*/
/*mndSetMsgHandle(pMnode, TDMT_VND_SUBSCRIBE, mndProcessSubscribeInternalReq);*/
mndSetMsgHandle(pMnode, TDMT_VND_SUBSCRIBE_RSP, mndProcessSubscribeInternalRsp);
return sdbSetTable(pMnode->pSdb, table);
}
static int mndInitUnassignedVg(SMnode *pMnode, SMqTopicObj *pTopic, SArray *unassignedVg) {
SMqConsumerEp CEp;
CEp.lastConsumerHbTs = CEp.lastVgHbTs = -1;
int32_t sz;
SVgObj *pVgroup = NULL;
SSdb *pSdb = pMnode->pSdb;
void *pIter = sdbFetch(pSdb, SDB_VGROUP, NULL, (void **)&pVgroup);
while (pIter != NULL) {
if (pVgroup->dbUid == pTopic->dbUid) {
CEp.epset = mndGetVgroupEpset(pMnode, pVgroup);
CEp.vgId = pVgroup->vgId;
taosArrayPush(unassignedVg, &CEp);
}
pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup);
}
return 0;
}
static int mndBuildMqSetConsumerVgReq(SMnode *pMnode, STrans *pTrans, SMqConsumerObj *pConsumer,
SMqConsumerTopic *pConsumerTopic) {
int32_t sz = taosArrayGetSize(pConsumerTopic->pVgInfo);
for (int32_t i = 0; i < sz; i++) {
int32_t vgId = *(int32_t *)taosArrayGet(pConsumerTopic->pVgInfo, i);
SVgObj *pVgObj = mndAcquireVgroup(pMnode, vgId);
SMqSetCVgReq req = {
.vgId = vgId,
.consumerId = pConsumer->consumerId,
};
strcpy(req.cGroup, pConsumer->cgroup);
strcpy(req.topicName, pConsumerTopic->name);
int32_t tlen = tEncodeSMqSetCVgReq(NULL, &req);
void *reqStr = malloc(tlen);
if (reqStr == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
void *abuf = reqStr;
tEncodeSMqSetCVgReq(abuf, &req);
STransAction action = {0};
action.epSet = mndGetVgroupEpset(pMnode, pVgObj);
action.pCont = reqStr;
action.contLen = tlen;
action.msgType = TDMT_VND_MQ_SET_CONN;
mndReleaseVgroup(pMnode, pVgObj);
if (mndTransAppendRedoAction(pTrans, &action) != 0) {
free(reqStr);
return -1;
}
}
return 0;
}
void mndCleanupSubscribe(SMnode *pMnode) {}
static SSdbRaw *mndSubActionEncode(SMqSubscribeObj *pSub) {
int32_t tlen = tEncodeSubscribeObj(NULL, pSub);
int32_t size = tlen + MND_SUBSCRIBE_RESERVE_SIZE;
SSdbRaw *pRaw = sdbAllocRaw(SDB_SUBSCRIBE, MND_SUBSCRIBE_VER_NUMBER, size);
if (pRaw == NULL) goto SUB_ENCODE_OVER;
void *buf = malloc(tlen);
if (buf == NULL) {
goto SUB_ENCODE_OVER;
}
void *abuf = buf;
tEncodeSubscribeObj(&buf, pSub);
int32_t dataPos = 0;
SDB_SET_INT32(pRaw, dataPos, tlen, SUB_ENCODE_OVER);
SDB_SET_BINARY(pRaw, dataPos, buf, tlen, SUB_ENCODE_OVER);
SDB_SET_RESERVE(pRaw, dataPos, MND_SUBSCRIBE_RESERVE_SIZE, SUB_ENCODE_OVER);
SDB_SET_DATALEN(pRaw, dataPos, SUB_ENCODE_OVER);
SUB_ENCODE_OVER:
if (terrno != 0) {
mError("subscribe:%s, failed to encode to raw:%p since %s", pSub->key, pRaw, terrstr());
sdbFreeRaw(pRaw);
return NULL;
}
mTrace("subscribe:%s, encode to raw:%p, row:%p", pSub->key, pRaw, pSub);
return pRaw;
}
static SSdbRow *mndSubActionDecode(SSdbRaw *pRaw) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
int8_t sver = 0;
if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto SUB_DECODE_OVER;
if (sver != MND_SUBSCRIBE_VER_NUMBER) {
terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
goto SUB_DECODE_OVER;
}
int32_t size = sizeof(SMqSubscribeObj);
SSdbRow *pRow = sdbAllocRow(size);
if (pRow == NULL) goto SUB_DECODE_OVER;
SMqSubscribeObj *pSub = sdbGetRowObj(pRow);
if (pSub == NULL) goto SUB_DECODE_OVER;
int32_t dataPos = 0;
int32_t tlen;
void *buf = malloc(tlen + 1);
if (buf == NULL) goto SUB_DECODE_OVER;
SDB_GET_INT32(pRaw, dataPos, &tlen, SUB_DECODE_OVER);
SDB_GET_BINARY(pRaw, dataPos, buf, tlen, SUB_DECODE_OVER);
SDB_GET_RESERVE(pRaw, dataPos, MND_SUBSCRIBE_RESERVE_SIZE, SUB_DECODE_OVER);
if (tDecodeSubscribeObj(buf, pSub) == NULL) {
goto SUB_DECODE_OVER;
}
SUB_DECODE_OVER:
if (terrno != 0) {
mError("subscribe:%s, failed to decode from raw:%p since %s", pSub->key, pRaw, terrstr());
// TODO free subscribeobj
tfree(pRow);
return NULL;
}
return pRow;
}
static int32_t mndSubActionInsert(SSdb *pSdb, SMqSubscribeObj *pSub) {
mTrace("subscribe:%s, perform insert action", pSub->key);
return 0;
}
static int32_t mndSubActionDelete(SSdb *pSdb, SMqSubscribeObj *pSub) {
mTrace("subscribe:%s, perform delete action", pSub->key);
return 0;
}
static int32_t mndSubActionUpdate(SSdb *pSdb, SMqSubscribeObj *pOldSub, SMqSubscribeObj *pNewSub) {
mTrace("subscribe:%s, perform update action", pOldSub->key);
return 0;
}
static void *mndBuildMqVGroupSetReq(SMnode *pMnode, char *topicName, int32_t vgId, int64_t consumerId, char *cgroup) {
return 0;
}
static char *mndMakeSubscribeKey(char *cgroup, char *topicName) {
char *key = malloc(TSDB_SHOW_SUBQUERY_LEN);
if (key == NULL) {
return NULL;
}
int tlen = strlen(cgroup);
memcpy(key, cgroup, tlen);
key[tlen] = ':';
strcpy(key + tlen + 1, topicName);
return key;
}
SMqSubscribeObj *mndAcquireSubscribe(SMnode *pMnode, char *cgroup, char *topicName) {
SSdb *pSdb = pMnode->pSdb;
char *key = mndMakeSubscribeKey(cgroup, topicName);
SMqSubscribeObj *pSub = sdbAcquire(pSdb, SDB_SUBSCRIBE, key);
free(key);
if (pSub == NULL) {
/*terrno = TSDB_CODE_MND_CONSUMER_NOT_EXIST;*/
}
return pSub;
}
void mndReleaseSubscribe(SMnode *pMnode, SMqSubscribeObj *pSub) {
SSdb *pSdb = pMnode->pSdb;
sdbRelease(pSdb, pSub);
}
static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg) {
SMnode *pMnode = pMsg->pMnode;
char *msgStr = pMsg->rpcMsg.pCont;
SCMSubscribeReq subscribe;
tDeserializeSCMSubscribeReq(msgStr, &subscribe);
int64_t consumerId = subscribe.consumerId;
char *consumerGroup = subscribe.consumerGroup;
int32_t cgroupLen = strlen(consumerGroup);
SArray *newSub = subscribe.topicNames;
int newTopicNum = subscribe.topicNum;
taosArraySortString(newSub, taosArrayCompareString);
SArray *oldSub = NULL;
int oldTopicNum = 0;
// create consumer if not exist
SMqConsumerObj *pConsumer = mndAcquireConsumer(pMnode, consumerId);
if (pConsumer == NULL) {
// create consumer
pConsumer = malloc(sizeof(SMqConsumerObj));
if (pConsumer == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
pConsumer->consumerId = consumerId;
strcpy(pConsumer->cgroup, consumerGroup);
taosInitRWLatch(&pConsumer->lock);
} else {
oldSub = pConsumer->topics;
}
pConsumer->topics = taosArrayInit(newTopicNum, sizeof(SMqConsumerTopic));
if (oldSub != NULL) {
oldTopicNum = taosArrayGetSize(oldSub);
}
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, &pMsg->rpcMsg);
if (pTrans == NULL) {
// TODO: free memory
return -1;
}
int i = 0, j = 0;
while (i < newTopicNum || j < oldTopicNum) {
char* newTopicName = NULL;
char* oldTopicName = NULL;
if (i >= newTopicNum) {
// encode unset topic msg to all vnodes related to that topic
oldTopicName = ((SMqConsumerTopic*)taosArrayGet(oldSub, j))->name;
j++;
} else if (j >= oldTopicNum) {
newTopicName = taosArrayGet(newSub, i);
i++;
} else {
newTopicName = taosArrayGet(newSub, i);
oldTopicName = ((SMqConsumerTopic*)taosArrayGet(oldSub, j))->name;
int comp = compareLenPrefixedStr(newTopicName, oldTopicName);
if (comp == 0) {
// do nothing
oldTopicName = newTopicName = NULL;
i++;
j++;
continue;
} else if (comp < 0) {
oldTopicName = NULL;
i++;
} else {
newTopicName = NULL;
j++;
}
}
if (oldTopicName != NULL) {
#if 0
// cancel subscribe of that old topic
ASSERT(pNewTopic == NULL);
char *oldTopicName = pOldTopic->name;
SList *vgroups = pOldTopic->vgroups;
SListIter iter;
tdListInitIter(vgroups, &iter, TD_LIST_FORWARD);
SListNode *pn;
SMqTopicObj *pTopic = mndAcquireTopic(pMnode, oldTopicName);
ASSERT(pTopic != NULL);
SMqSubscribeObj *pSub = mndAcquireSubscribe(pMnode, consumerGroup, oldTopicName);
SMqCGroup *pGroup = taosHashGet(pTopic->cgroups, consumerGroup, cgroupLen);
while ((pn = tdListNext(&iter)) != NULL) {
int32_t vgId = *(int64_t *)pn->data;
// acquire and get epset
SVgObj *pVgObj = mndAcquireVgroup(pMnode, vgId);
// TODO what time to release?
if (pVgObj == NULL) {
// TODO handle error
continue;
}
// build reset msg
void *pMqVgSetReq = mndBuildMqVGroupSetReq(pMnode, oldTopicName, vgId, consumerId, consumerGroup);
// TODO:serialize
if (pMsg == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
STransAction action = {0};
action.epSet = mndGetVgroupEpset(pMnode, pVgObj);
action.pCont = pMqVgSetReq;
action.contLen = 0; // TODO
action.msgType = TDMT_VND_MQ_SET_CONN;
if (mndTransAppendRedoAction(pTrans, &action) != 0) {
free(pMqVgSetReq);
mndTransDrop(pTrans);
// TODO free
return -1;
}
}
// delete data in mnode
taosHashRemove(pTopic->cgroups, consumerGroup, cgroupLen);
mndReleaseSubscribe(pMnode, pSub);
mndReleaseTopic(pMnode, pTopic);
#endif
} else if (newTopicName != NULL) {
// save subscribe info to mnode
ASSERT(oldTopicName == NULL);
SMqTopicObj *pTopic = mndAcquireTopic(pMnode, newTopicName);
if (pTopic == NULL) {
/*terrno = */
continue;
}
SMqSubscribeObj *pSub = mndAcquireSubscribe(pMnode, consumerGroup, newTopicName);
if (pSub == NULL) {
pSub = tNewSubscribeObj();
if (pSub == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
// set unassigned vg
mndInitUnassignedVg(pMnode, pTopic, pSub->unassignedVg);
}
SMqConsumerTopic *pConsumerTopic = tNewConsumerTopic(consumerId, pTopic, pSub);
taosArrayPush(pConsumer->topics, pConsumerTopic);
if (taosArrayGetSize(pConsumerTopic->pVgInfo) > 0) {
int32_t vgId = *(int32_t *)taosArrayGetLast(pConsumerTopic->pVgInfo);
// send setmsg to vnode
if (mndBuildMqSetConsumerVgReq(pMnode, pTrans, pConsumer, pConsumerTopic) < 0) {
// TODO
return -1;
}
}
taosArrayDestroy(pConsumerTopic->pVgInfo);
free(pConsumerTopic);
#if 0
SMqCGroup *pGroup = taosHashGet(pTopic->cgroups, consumerGroup, cgroupLen);
if (pGroup == NULL) {
// add new group
pGroup = malloc(sizeof(SMqCGroup));
if (pGroup == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
pGroup->consumerIds = tdListNew(sizeof(int64_t));
if (pGroup->consumerIds == NULL) {
free(pGroup);
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
pGroup->status = 0;
// add into cgroups
taosHashPut(pTopic->cgroups, consumerGroup, cgroupLen, pGroup, sizeof(SMqCGroup));
}
/*taosHashPut(pTopic->consumers, &pConsumer->consumerId, sizeof(int64_t), pConsumer, sizeof(SMqConsumerObj));*/
// put the consumer into list
// rebalance will be triggered by timer
tdListAppend(pGroup->consumerIds, &consumerId);
SSdbRaw *pTopicRaw = mndTopicActionEncode(pTopic);
sdbSetRawStatus(pTopicRaw, SDB_STATUS_READY);
// TODO: error handling
mndTransAppendRedolog(pTrans, pTopicRaw);
#endif
mndReleaseTopic(pMnode, pTopic);
mndReleaseSubscribe(pMnode, pSub);
}
}
// part3. persist consumerObj
// destroy old sub
if (oldSub) taosArrayDestroy(oldSub);
// put new sub into consumerobj
// persist consumerObj
SSdbRaw *pConsumerRaw = mndConsumerActionEncode(pConsumer);
sdbSetRawStatus(pConsumerRaw, SDB_STATUS_READY);
// TODO: error handling
mndTransAppendRedolog(pTrans, pConsumerRaw);
if (mndTransPrepare(pMnode, pTrans) != 0) {
mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
mndTransDrop(pTrans);
mndReleaseConsumer(pMnode, pConsumer);
return -1;
}
// TODO: free memory
if (newSub) taosArrayDestroy(newSub);
mndTransDrop(pTrans);
mndReleaseConsumer(pMnode, pConsumer);
return 0;
}
static int32_t mndProcessSubscribeInternalRsp(SMnodeMsg *pMsg) { return 0; }
static int32_t mndProcessConsumerMetaMsg(SMnodeMsg *pMsg) {
SMnode *pMnode = pMsg->pMnode;
STableInfoReq *pInfo = pMsg->rpcMsg.pCont;
mDebug("subscribe:%s, start to retrieve meta", pInfo->tableFname);
#if 0
SDbObj *pDb = mndAcquireDbByConsumer(pMnode, pInfo->tableFname);
if (pDb == NULL) {
terrno = TSDB_CODE_MND_DB_NOT_SELECTED;
mError("consumer:%s, failed to retrieve meta since %s", pInfo->tableFname, terrstr());
return -1;
}
SConsumerObj *pConsumer = mndAcquireConsumer(pMnode, pInfo->tableFname);
if (pConsumer == NULL) {
mndReleaseDb(pMnode, pDb);
terrno = TSDB_CODE_MND_INVALID_CONSUMER;
mError("consumer:%s, failed to get meta since %s", pInfo->tableFname, terrstr());
return -1;
}
taosRLockLatch(&pConsumer->lock);
int32_t totalCols = pConsumer->numOfColumns + pConsumer->numOfTags;
int32_t contLen = sizeof(STableMetaRsp) + totalCols * sizeof(SSchema);
STableMetaRsp *pMeta = rpcMallocCont(contLen);
if (pMeta == NULL) {
taosRUnLockLatch(&pConsumer->lock);
mndReleaseDb(pMnode, pDb);
mndReleaseConsumer(pMnode, pConsumer);
terrno = TSDB_CODE_OUT_OF_MEMORY;
mError("consumer:%s, failed to get meta since %s", pInfo->tableFname, terrstr());
return -1;
}
memcpy(pMeta->consumerFname, pConsumer->name, TSDB_TABLE_FNAME_LEN);
pMeta->numOfTags = htonl(pConsumer->numOfTags);
pMeta->numOfColumns = htonl(pConsumer->numOfColumns);
pMeta->precision = pDb->cfg.precision;
pMeta->tableType = TSDB_SUPER_TABLE;
pMeta->update = pDb->cfg.update;
pMeta->sversion = htonl(pConsumer->version);
pMeta->tuid = htonl(pConsumer->uid);
for (int32_t i = 0; i < totalCols; ++i) {
SSchema *pSchema = &pMeta->pSchema[i];
SSchema *pSrcSchema = &pConsumer->pSchema[i];
memcpy(pSchema->name, pSrcSchema->name, TSDB_COL_NAME_LEN);
pSchema->type = pSrcSchema->type;
pSchema->colId = htonl(pSrcSchema->colId);
pSchema->bytes = htonl(pSrcSchema->bytes);
}
taosRUnLockLatch(&pConsumer->lock);
mndReleaseDb(pMnode, pDb);
mndReleaseConsumer(pMnode, pConsumer);
pMsg->pCont = pMeta;
pMsg->contLen = contLen;
mDebug("consumer:%s, meta is retrieved, cols:%d tags:%d", pInfo->tableFname, pConsumer->numOfColumns, pConsumer->numOfTags);
#endif
return 0;
}
static int32_t mndGetNumOfConsumers(SMnode *pMnode, char *dbName, int32_t *pNumOfConsumers) {
SSdb *pSdb = pMnode->pSdb;
SDbObj *pDb = mndAcquireDb(pMnode, dbName);
if (pDb == NULL) {
terrno = TSDB_CODE_MND_DB_NOT_SELECTED;
return -1;
}
int32_t numOfConsumers = 0;
void *pIter = NULL;
while (1) {
SMqConsumerObj *pConsumer = NULL;
pIter = sdbFetch(pSdb, SDB_CONSUMER, pIter, (void **)&pConsumer);
if (pIter == NULL) break;
numOfConsumers++;
sdbRelease(pSdb, pConsumer);
}
*pNumOfConsumers = numOfConsumers;
return 0;
}
static int32_t mndGetConsumerMeta(SMnodeMsg *pMsg, SShowObj *pShow, STableMetaRsp *pMeta) {
SMnode *pMnode = pMsg->pMnode;
SSdb *pSdb = pMnode->pSdb;
if (mndGetNumOfConsumers(pMnode, pShow->db, &pShow->numOfRows) != 0) {
return -1;
}
int32_t cols = 0;
SSchema *pSchema = pMeta->pSchema;
pShow->bytes[cols] = TSDB_TABLE_NAME_LEN + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "name");
pSchema[cols].bytes = htonl(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = 8;
pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
strcpy(pSchema[cols].name, "create_time");
pSchema[cols].bytes = htonl(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = 4;
pSchema[cols].type = TSDB_DATA_TYPE_INT;
strcpy(pSchema[cols].name, "columns");
pSchema[cols].bytes = htonl(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = 4;
pSchema[cols].type = TSDB_DATA_TYPE_INT;
strcpy(pSchema[cols].name, "tags");
pSchema[cols].bytes = htonl(pShow->bytes[cols]);
cols++;
pMeta->numOfColumns = htonl(cols);
pShow->numOfColumns = cols;
pShow->offset[0] = 0;
for (int32_t i = 1; i < cols; ++i) {
pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
}
pShow->numOfRows = sdbGetSize(pSdb, SDB_CONSUMER);
pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
strcpy(pMeta->tbFname, mndShowStr(pShow->type));
return 0;
}
static void mndCancelGetNextConsumer(SMnode *pMnode, void *pIter) {
SSdb *pSdb = pMnode->pSdb;
sdbCancelFetch(pSdb, pIter);
}

12
source/dnode/mnode/impl/src/mndTopic.c
View File

@ -79,8 +79,6 @@ SSdbRaw *mndTopicActionEncode(SMqTopicObj *pTopic) {
SDB_SET_BINARY(pRaw, dataPos, pTopic->logicalPlan, logicalPlanLen, TOPIC_ENCODE_OVER);
int32_t physicalPlanLen = strlen(pTopic->physicalPlan) + 1;
pTopic->physicalPlan = calloc(physicalPlanLen, sizeof(char));
if (pTopic->physicalPlan == NULL) goto TOPIC_ENCODE_OVER;
SDB_SET_INT32(pRaw, dataPos, strlen(pTopic->physicalPlan)+1, TOPIC_ENCODE_OVER);
SDB_SET_BINARY(pRaw, dataPos, pTopic->physicalPlan, physicalPlanLen, TOPIC_ENCODE_OVER);
@ -92,12 +90,6 @@ SSdbRaw *mndTopicActionEncode(SMqTopicObj *pTopic) {
TOPIC_ENCODE_OVER:
if (terrno != TSDB_CODE_SUCCESS) {
mError("topic:%s, failed to encode to raw:%p since %s", pTopic->name, pRaw, terrstr());
/*if (pTopic->logicalPlan) {*/
/*free(pTopic->logicalPlan);*/
/*}*/
/*if (pTopic->physicalPlan) {*/
/*free(pTopic->physicalPlan);*/
/*}*/
sdbFreeRaw(pRaw);
return NULL;
}
@ -146,7 +138,7 @@ SSdbRow *mndTopicActionDecode(SSdbRaw *pRaw) {
SDB_GET_BINARY(pRaw, dataPos, pTopic->logicalPlan, len+1, TOPIC_DECODE_OVER);
SDB_GET_INT32(pRaw, dataPos, &len, TOPIC_DECODE_OVER);
pTopic->logicalPlan = calloc(len + 1, sizeof(char));
pTopic->physicalPlan = calloc(len + 1, sizeof(char));
if (pTopic->physicalPlan == NULL) {
free(pTopic->logicalPlan);
terrno = TSDB_CODE_OUT_OF_MEMORY;
@ -154,7 +146,7 @@ SSdbRow *mndTopicActionDecode(SSdbRaw *pRaw) {
}
SDB_GET_BINARY(pRaw, dataPos, pTopic->physicalPlan, len+1, TOPIC_DECODE_OVER);
SDB_GET_RESERVE(pRaw, dataPos, MND_TOPIC_RESERVE_SIZE, TOPIC_DECODE_OVER)
SDB_GET_RESERVE(pRaw, dataPos, MND_TOPIC_RESERVE_SIZE, TOPIC_DECODE_OVER);
terrno = TSDB_CODE_SUCCESS;

4
source/dnode/mnode/sdb/src/sdbHash.c
View File

@ -38,10 +38,10 @@ const char *sdbTableName(ESdbType type) {
return "auth";
case SDB_ACCT:
return "acct";
case SDB_SUBSCRIBE:
return "subscribe";
case SDB_CONSUMER:
return "consumer";
case SDB_CGROUP:
return "cgroup";
case SDB_TOPIC:
return "topic";
case SDB_VGROUP: