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add bnode

This commit is contained in:
Shengliang Guan 2021-12-28 00:20:48 -08:00
parent 6f7eecb215
commit d60941d4e3
11 changed files with 778 additions and 31 deletions
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10
include/dnode/bnode/bnode.h
View File

@ -49,10 +49,11 @@ typedef struct {
/** /**
* @brief Start one Bnode in Dnode. * @brief Start one Bnode in Dnode.
* *
* @param path Path of the bnode.
* @param pOption Option of the bnode. * @param pOption Option of the bnode.
* @return SBnode* The bnode object. * @return SBnode* The bnode object.
*/ */
SBnode *bndOpen(const SBnodeOpt *pOption); SBnode *bndOpen(const char *path, const SBnodeOpt *pOption);
/** /**
* @brief Stop Bnode in Dnode. * @brief Stop Bnode in Dnode.
@ -79,6 +80,13 @@ int32_t bndGetLoad(SBnode *pBnode, SBnodeLoad *pLoad);
*/ */
int32_t bndProcessWMsgs(SBnode *pBnode, SArray *pMsgs); int32_t bndProcessWMsgs(SBnode *pBnode, SArray *pMsgs);
/**
* @brief Drop a bnode.
*
* @param path Path of the bnode.
*/
void bndDestroy(const char *path);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

10
include/dnode/snode/snode.h
View File

@ -49,10 +49,11 @@ typedef struct {
/** /**
* @brief Start one Snode in Dnode. * @brief Start one Snode in Dnode.
* *
* @param path Path of the snode.
* @param pOption Option of the snode. * @param pOption Option of the snode.
* @return SSnode* The snode object. * @return SSnode* The snode object.
*/ */
SSnode *sndOpen(const SSnodeOpt *pOption); SSnode *sndOpen(const char *path, const SSnodeOpt *pOption);
/** /**
* @brief Stop Snode in Dnode. * @brief Stop Snode in Dnode.
@ -80,6 +81,13 @@ int32_t sndGetLoad(SSnode *pSnode, SSnodeLoad *pLoad);
*/ */
int32_t sndProcessWriteMsg(SSnode *pSnode, SRpcMsg *pMsg, SRpcMsg **pRsp); int32_t sndProcessWriteMsg(SSnode *pSnode, SRpcMsg *pMsg, SRpcMsg **pRsp);
/**
* @brief Drop a snode.
*
* @param path Path of the snode.
*/
void sndDestroy(const char *path);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

4
source/dnode/bnode/src/bnode.c
View File

@ -15,7 +15,7 @@
#include "bndInt.h" #include "bndInt.h"
SBnode *bndOpen(const SBnodeOpt *pOption) { SBnode *bndOpen(const char *path, const SBnodeOpt *pOption) {
SBnode *pBnode = calloc(1, sizeof(SBnode)); SBnode *pBnode = calloc(1, sizeof(SBnode));
return pBnode; return pBnode;
} }
@ -25,3 +25,5 @@ void bndClose(SBnode *pBnode) { free(pBnode); }
int32_t bndGetLoad(SBnode *pBnode, SBnodeLoad *pLoad) { return 0; } int32_t bndGetLoad(SBnode *pBnode, SBnodeLoad *pLoad) { return 0; }
int32_t bndProcessWMsgs(SBnode *pBnode, SArray *pMsgs) { return 0; } int32_t bndProcessWMsgs(SBnode *pBnode, SArray *pMsgs) { return 0; }
void bndDestroy(const char *path) {}

2
source/dnode/mgmt/impl/inc/dndBnode.h
View File

@ -24,7 +24,7 @@ extern "C" {
int32_t dndInitBnode(SDnode *pDnode); int32_t dndInitBnode(SDnode *pDnode);
void dndCleanupBnode(SDnode *pDnode); void dndCleanupBnode(SDnode *pDnode);
ioid dndProcessBnodeWriteMsg(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEpSet); void dndProcessBnodeWriteMsg(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEpSet);
int32_t dndProcessCreateBnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg); int32_t dndProcessCreateBnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg);
int32_t dndProcessDropBnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg); int32_t dndProcessDropBnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg);

15
source/dnode/mgmt/impl/inc/dndInt.h
View File

@ -54,18 +54,19 @@ extern int32_t dDebugFlag;
#define dTrace(...) { if (dDebugFlag & DEBUG_TRACE) { taosPrintLog("DND ", dDebugFlag, __VA_ARGS__); }} #define dTrace(...) { if (dDebugFlag & DEBUG_TRACE) { taosPrintLog("DND ", dDebugFlag, __VA_ARGS__); }}
typedef enum { DND_STAT_INIT, DND_STAT_RUNNING, DND_STAT_STOPPED } EStat; typedef enum { DND_STAT_INIT, DND_STAT_RUNNING, DND_STAT_STOPPED } EStat;
typedef enum { DND_WORKER_SINGLE, DND_WORKER_MULTI } EDndWorkerType; typedef enum { DND_WORKER_SINGLE, DND_WORKER_MULTI } EWorkerType;
typedef void (*DndMsgFp)(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEps); typedef void (*DndMsgFp)(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEps);
typedef struct { typedef struct {
EDndWorkerType type; EWorkerType type;
const char *name; const char *name;
int32_t minNum; int32_t minNum;
int32_t maxNum; int32_t maxNum;
FProcessItem fp; void *queueFp;
SDnode *pDnode; SDnode *pDnode;
taos_queue queue; taos_queue queue;
SWorkerPool pool; SWorkerPool pool;
SMWorkerPool mpool;
} SDnodeWorker; } SDnodeWorker;
typedef struct { typedef struct {
@ -125,22 +126,18 @@ typedef struct {
int32_t refCount; int32_t refCount;
int8_t deployed; int8_t deployed;
int8_t dropped; int8_t dropped;
char *file;
SSnode *pSnode; SSnode *pSnode;
SRWLatch latch; SRWLatch latch;
taos_queue pWriteQ; SDnodeWorker writeWorker;
SWorkerPool writePool;
} SSnodeMgmt; } SSnodeMgmt;
typedef struct { typedef struct {
int32_t refCount; int32_t refCount;
int8_t deployed; int8_t deployed;
int8_t dropped; int8_t dropped;
char *file;
SBnode *pBnode; SBnode *pBnode;
SRWLatch latch; SRWLatch latch;
taos_queue pWriteQ; SDnodeWorker writeWorker;
SMWorkerPool writePool;
} SBnodeMgmt; } SBnodeMgmt;
typedef struct { typedef struct {

4
source/dnode/mgmt/impl/inc/dndWorker.h
View File

@ -21,8 +21,8 @@ extern "C" {
#endif #endif
#include "dndInt.h" #include "dndInt.h"
int32_t dndInitWorker(SDnode *pDnode, SDnodeWorker *pWorker, EDndWorkerType type, const char *name, int32_t minNum, int32_t dndInitWorker(SDnode *pDnode, SDnodeWorker *pWorker, EWorkerType type, const char *name, int32_t minNum,
int32_t maxNum, FProcessItem fp); int32_t maxNum, void *queueFp);
void dndCleanupWorker(SDnodeWorker *pWorker); void dndCleanupWorker(SDnodeWorker *pWorker);
int32_t dndWriteMsgToWorker(SDnodeWorker *pWorker, void *pCont, int32_t contLen); int32_t dndWriteMsgToWorker(SDnodeWorker *pWorker, void *pCont, int32_t contLen);

369
source/dnode/mgmt/impl/src/dndBnode.c Normal file
View File

@ -0,0 +1,369 @@
/*
* 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 "dndBnode.h"
#include "dndDnode.h"
#include "dndTransport.h"
#include "dndWorker.h"
static void dndProcessBnodeQueue(SDnode *pDnode, taos_qall qall, int32_t numOfMsgs);
static SBnode *dndAcquireBnode(SDnode *pDnode) {
SBnodeMgmt *pMgmt = &pDnode->bmgmt;
SBnode *pBnode = NULL;
int32_t refCount = 0;
taosRLockLatch(&pMgmt->latch);
if (pMgmt->deployed && !pMgmt->dropped) {
refCount = atomic_add_fetch_32(&pMgmt->refCount, 1);
pBnode = pMgmt->pBnode;
} else {
terrno = TSDB_CODE_DND_BNODE_NOT_DEPLOYED;
}
taosRUnLockLatch(&pMgmt->latch);
if (pBnode != NULL) {
dTrace("acquire bnode, refCount:%d", refCount);
}
return pBnode;
}
static void dndReleaseBnode(SDnode *pDnode, SBnode *pBnode) {
SBnodeMgmt *pMgmt = &pDnode->bmgmt;
int32_t refCount = 0;
taosRLockLatch(&pMgmt->latch);
if (pBnode != NULL) {
refCount = atomic_sub_fetch_32(&pMgmt->refCount, 1);
}
taosRUnLockLatch(&pMgmt->latch);
if (pBnode != NULL) {
dTrace("release bnode, refCount:%d", refCount);
}
}
static int32_t dndReadBnodeFile(SDnode *pDnode) {
SBnodeMgmt *pMgmt = &pDnode->bmgmt;
int32_t code = TSDB_CODE_DND_BNODE_READ_FILE_ERROR;
int32_t len = 0;
int32_t maxLen = 4096;
char *content = calloc(1, maxLen + 1);
cJSON *root = NULL;
char file[PATH_MAX + 20];
snprintf(file, PATH_MAX + 20, "%s/bnode.json", pDnode->dir.dnode);
FILE *fp = fopen(file, "r");
if (fp == NULL) {
dDebug("file %s not exist", file);
code = 0;
goto PRASE_BNODE_OVER;
}
len = (int32_t)fread(content, 1, maxLen, fp);
if (len <= 0) {
dError("failed to read %s since content is null", file);
goto PRASE_BNODE_OVER;
}
content[len] = 0;
root = cJSON_Parse(content);
if (root == NULL) {
dError("failed to read %s since invalid json format", file);
goto PRASE_BNODE_OVER;
}
cJSON *deployed = cJSON_GetObjectItem(root, "deployed");
if (!deployed || deployed->type != cJSON_Number) {
dError("failed to read %s since deployed not found", file);
goto PRASE_BNODE_OVER;
}
pMgmt->deployed = deployed->valueint;
cJSON *dropped = cJSON_GetObjectItem(root, "dropped");
if (!dropped || dropped->type != cJSON_Number) {
dError("failed to read %s since dropped not found", file);
goto PRASE_BNODE_OVER;
}
pMgmt->dropped = dropped->valueint;
code = 0;
dDebug("succcessed to read file %s, deployed:%d dropped:%d", file, pMgmt->deployed, pMgmt->dropped);
PRASE_BNODE_OVER:
if (content != NULL) free(content);
if (root != NULL) cJSON_Delete(root);
if (fp != NULL) fclose(fp);
terrno = code;
return code;
}
static int32_t dndWriteBnodeFile(SDnode *pDnode) {
SBnodeMgmt *pMgmt = &pDnode->bmgmt;
char file[PATH_MAX + 20];
snprintf(file, PATH_MAX + 20, "%s/bnode.json", pDnode->dir.dnode);
FILE *fp = fopen(file, "w");
if (fp == NULL) {
terrno = TSDB_CODE_DND_BNODE_WRITE_FILE_ERROR;
dError("failed to write %s since %s", file, terrstr());
return -1;
}
int32_t len = 0;
int32_t maxLen = 4096;
char *content = calloc(1, maxLen + 1);
len += snprintf(content + len, maxLen - len, "{\n");
len += snprintf(content + len, maxLen - len, " \"deployed\": %d,\n", pMgmt->deployed);
len += snprintf(content + len, maxLen - len, " \"dropped\": %d\n", pMgmt->dropped);
len += snprintf(content + len, maxLen - len, "}\n");
fwrite(content, 1, len, fp);
taosFsyncFile(fileno(fp));
fclose(fp);
free(content);
if (taosRenameFile(file, file) != 0) {
terrno = TSDB_CODE_DND_BNODE_WRITE_FILE_ERROR;
dError("failed to rename %s since %s", file, terrstr());
return -1;
}
dInfo("successed to write %s, deployed:%d dropped:%d", file, pMgmt->deployed, pMgmt->dropped);
return 0;
}
static int32_t dndStartBnodeWorker(SDnode *pDnode) {
SBnodeMgmt *pMgmt = &pDnode->bmgmt;
if (dndInitWorker(pDnode, &pMgmt->writeWorker, DND_WORKER_SINGLE, "bnode-write", 0, 1,
(FProcessItem)dndProcessBnodeQueue) != 0) {
dError("failed to start bnode write worker since %s", terrstr());
return -1;
}
return 0;
}
static void dndStopBnodeWorker(SDnode *pDnode) {
SBnodeMgmt *pMgmt = &pDnode->bmgmt;
taosWLockLatch(&pMgmt->latch);
pMgmt->deployed = 0;
taosWUnLockLatch(&pMgmt->latch);
while (pMgmt->refCount > 1) {
taosMsleep(10);
}
dndCleanupWorker(&pMgmt->writeWorker);
}
static void dndBuildBnodeOption(SDnode *pDnode, SBnodeOpt *pOption) {
pOption->pDnode = pDnode;
pOption->sendMsgToDnodeFp = dndSendMsgToDnode;
pOption->sendMsgToMnodeFp = dndSendMsgToMnode;
pOption->sendRedirectMsgFp = dndSendRedirectMsg;
pOption->dnodeId = dndGetDnodeId(pDnode);
pOption->clusterId = dndGetClusterId(pDnode);
pOption->cfg.sver = pDnode->opt.sver;
}
static int32_t dndOpenBnode(SDnode *pDnode) {
SBnodeMgmt *pMgmt = &pDnode->bmgmt;
SBnodeOpt option = {0};
dndBuildBnodeOption(pDnode, &option);
SBnode *pBnode = bndOpen(pDnode->dir.bnode, &option);
if (pBnode == NULL) {
dError("failed to open bnode since %s", terrstr());
return -1;
}
if (dndStartBnodeWorker(pDnode) != 0) {
dError("failed to start bnode worker since %s", terrstr());
bndClose(pBnode);
return -1;
}
if (dndWriteBnodeFile(pDnode) != 0) {
dError("failed to write bnode file since %s", terrstr());
dndStopBnodeWorker(pDnode);
bndClose(pBnode);
return -1;
}
taosWLockLatch(&pMgmt->latch);
pMgmt->pBnode = pBnode;
pMgmt->deployed = 1;
taosWUnLockLatch(&pMgmt->latch);
dInfo("bnode open successfully");
return 0;
}
static int32_t dndDropBnode(SDnode *pDnode) {
SBnodeMgmt *pMgmt = &pDnode->bmgmt;
SBnode *pBnode = dndAcquireBnode(pDnode);
if (pBnode == NULL) {
dError("failed to drop bnode since %s", terrstr());
return -1;
}
taosRLockLatch(&pMgmt->latch);
pMgmt->dropped = 1;
taosRUnLockLatch(&pMgmt->latch);
if (dndWriteBnodeFile(pDnode) != 0) {
taosRLockLatch(&pMgmt->latch);
pMgmt->dropped = 0;
taosRUnLockLatch(&pMgmt->latch);
dndReleaseBnode(pDnode, pBnode);
dError("failed to drop bnode since %s", terrstr());
return -1;
}
dndReleaseBnode(pDnode, pBnode);
dndStopBnodeWorker(pDnode);
bndClose(pBnode);
pMgmt->pBnode = NULL;
bndDestroy(pDnode->dir.bnode);
return 0;
}
int32_t dndProcessCreateBnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
SCreateBnodeInMsg *pMsg = pRpcMsg->pCont;
pMsg->dnodeId = htonl(pMsg->dnodeId);
if (pMsg->dnodeId != dndGetDnodeId(pDnode)) {
terrno = TSDB_CODE_DND_BNODE_ID_INVALID;
return -1;
} else {
return dndOpenBnode(pDnode);
}
}
int32_t dndProcessDropBnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
SDropBnodeInMsg *pMsg = pRpcMsg->pCont;
pMsg->dnodeId = htonl(pMsg->dnodeId);
if (pMsg->dnodeId != dndGetDnodeId(pDnode)) {
terrno = TSDB_CODE_DND_BNODE_ID_INVALID;
return -1;
} else {
return dndDropBnode(pDnode);
}
}
static void dndSendBnodeErrorRsp(SRpcMsg *pMsg, int32_t code) {
SRpcMsg rpcRsp = {.handle = pMsg->handle, .ahandle = pMsg->ahandle, .code = code};
rpcSendResponse(&rpcRsp);
rpcFreeCont(pMsg->pCont);
taosFreeQitem(pMsg);
}
static void dndSendBnodeErrorRsps(taos_qall qall, int32_t numOfMsgs, int32_t code) {
for (int32_t i = 0; i < numOfMsgs; ++i) {
SRpcMsg *pMsg = NULL;
taosGetQitem(qall, (void **)&pMsg);
dndSendBnodeErrorRsp(pMsg, code);
}
}
static void dndProcessBnodeQueue(SDnode *pDnode, taos_qall qall, int32_t numOfMsgs) {
SBnode *pBnode = dndAcquireBnode(pDnode);
if (pBnode == NULL) {
dndSendBnodeErrorRsps(qall, numOfMsgs, TSDB_CODE_OUT_OF_MEMORY);
return;
}
SArray *pArray = taosArrayInit(numOfMsgs, sizeof(SRpcMsg *));
if (pArray == NULL) {
dndReleaseBnode(pDnode, pBnode);
dndSendBnodeErrorRsps(qall, numOfMsgs, TSDB_CODE_OUT_OF_MEMORY);
return;
}
for (int32_t i = 0; i < numOfMsgs; ++i) {
SRpcMsg *pMsg = NULL;
taosGetQitem(qall, (void **)&pMsg);
void *ptr = taosArrayPush(pArray, &pMsg);
if (ptr == NULL) {
dndSendBnodeErrorRsp(pMsg, TSDB_CODE_OUT_OF_MEMORY);
}
}
bndProcessWMsgs(pBnode, pArray);
for (size_t i = 0; i < numOfMsgs; i++) {
SRpcMsg *pMsg = *(SRpcMsg **)taosArrayGet(pArray, i);
rpcFreeCont(pMsg->pCont);
taosFreeQitem(pMsg);
}
taosArrayDestroy(pArray);
dndReleaseBnode(pDnode, pBnode);
}
static void dndWriteBnodeMsgToWorker(SDnode *pDnode, SDnodeWorker *pWorker, SRpcMsg *pMsg) {
int32_t code = TSDB_CODE_DND_BNODE_NOT_DEPLOYED;
SBnode *pBnode = dndAcquireBnode(pDnode);
if (pBnode != NULL) {
code = dndWriteMsgToWorker(pWorker, pMsg, sizeof(SRpcMsg));
}
dndReleaseBnode(pDnode, pBnode);
if (code != 0) {
if (pMsg->msgType & 1u) {
SRpcMsg rsp = {.handle = pMsg->handle, .ahandle = pMsg->ahandle, .code = code};
rpcSendResponse(&rsp);
}
rpcFreeCont(pMsg->pCont);
}
}
void dndProcessBnodeWriteMsg(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEpSet) {
dndWriteBnodeMsgToWorker(pDnode, &pDnode->bmgmt.writeWorker, pMsg);
}
int32_t dndInitBnode(SDnode *pDnode) {
SBnodeMgmt *pMgmt = &pDnode->bmgmt;
taosInitRWLatch(&pMgmt->latch);
if (dndReadBnodeFile(pDnode) != 0) {
return -1;
}
if (pMgmt->dropped) return 0;
if (!pMgmt->deployed) return 0;
return dndOpenBnode(pDnode);
}
void dndCleanupBnode(SDnode *pDnode) {
SBnodeMgmt *pMgmt = &pDnode->bmgmt;
if (pMgmt->pBnode) {
dndStopBnodeWorker(pDnode);
bndClose(pMgmt->pBnode);
pMgmt->pBnode = NULL;
}
}

1
source/dnode/mgmt/impl/src/dndQnode.c
View File

@ -252,7 +252,6 @@ static int32_t dndDropQnode(SDnode *pDnode) {
dndStopQnodeWorker(pDnode); dndStopQnodeWorker(pDnode);
qndClose(pQnode); qndClose(pQnode);
pMgmt->pQnode = NULL; pMgmt->pQnode = NULL;
// qndDestroy(pDnode->dir.qnode);
return 0; return 0;
} }

344
source/dnode/mgmt/impl/src/dndSnode.c Normal file
View File

@ -0,0 +1,344 @@
/*
* 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 "dndSnode.h"
#include "dndDnode.h"
#include "dndTransport.h"
#include "dndWorker.h"
static void dndProcessSnodeQueue(SDnode *pDnode, SRpcMsg *pMsg);
static SSnode *dndAcquireSnode(SDnode *pDnode) {
SSnodeMgmt *pMgmt = &pDnode->smgmt;
SSnode *pSnode = NULL;
int32_t refCount = 0;
taosRLockLatch(&pMgmt->latch);
if (pMgmt->deployed && !pMgmt->dropped) {
refCount = atomic_add_fetch_32(&pMgmt->refCount, 1);
pSnode = pMgmt->pSnode;
} else {
terrno = TSDB_CODE_DND_SNODE_NOT_DEPLOYED;
}
taosRUnLockLatch(&pMgmt->latch);
if (pSnode != NULL) {
dTrace("acquire snode, refCount:%d", refCount);
}
return pSnode;
}
static void dndReleaseSnode(SDnode *pDnode, SSnode *pSnode) {
SSnodeMgmt *pMgmt = &pDnode->smgmt;
int32_t refCount = 0;
taosRLockLatch(&pMgmt->latch);
if (pSnode != NULL) {
refCount = atomic_sub_fetch_32(&pMgmt->refCount, 1);
}
taosRUnLockLatch(&pMgmt->latch);
if (pSnode != NULL) {
dTrace("release snode, refCount:%d", refCount);
}
}
static int32_t dndReadSnodeFile(SDnode *pDnode) {
SSnodeMgmt *pMgmt = &pDnode->smgmt;
int32_t code = TSDB_CODE_DND_SNODE_READ_FILE_ERROR;
int32_t len = 0;
int32_t maxLen = 4096;
char *content = calloc(1, maxLen + 1);
cJSON *root = NULL;
char file[PATH_MAX + 20];
snprintf(file, PATH_MAX + 20, "%s/snode.json", pDnode->dir.dnode);
FILE *fp = fopen(file, "r");
if (fp == NULL) {
dDebug("file %s not exist", file);
code = 0;
goto PRASE_SNODE_OVER;
}
len = (int32_t)fread(content, 1, maxLen, fp);
if (len <= 0) {
dError("failed to read %s since content is null", file);
goto PRASE_SNODE_OVER;
}
content[len] = 0;
root = cJSON_Parse(content);
if (root == NULL) {
dError("failed to read %s since invalid json format", file);
goto PRASE_SNODE_OVER;
}
cJSON *deployed = cJSON_GetObjectItem(root, "deployed");
if (!deployed || deployed->type != cJSON_Number) {
dError("failed to read %s since deployed not found", file);
goto PRASE_SNODE_OVER;
}
pMgmt->deployed = deployed->valueint;
cJSON *dropped = cJSON_GetObjectItem(root, "dropped");
if (!dropped || dropped->type != cJSON_Number) {
dError("failed to read %s since dropped not found", file);
goto PRASE_SNODE_OVER;
}
pMgmt->dropped = dropped->valueint;
code = 0;
dDebug("succcessed to read file %s, deployed:%d dropped:%d", file, pMgmt->deployed, pMgmt->dropped);
PRASE_SNODE_OVER:
if (content != NULL) free(content);
if (root != NULL) cJSON_Delete(root);
if (fp != NULL) fclose(fp);
terrno = code;
return code;
}
static int32_t dndWriteSnodeFile(SDnode *pDnode) {
SSnodeMgmt *pMgmt = &pDnode->smgmt;
char file[PATH_MAX + 20];
snprintf(file, PATH_MAX + 20, "%s/snode.json", pDnode->dir.dnode);
FILE *fp = fopen(file, "w");
if (fp == NULL) {
terrno = TSDB_CODE_DND_SNODE_WRITE_FILE_ERROR;
dError("failed to write %s since %s", file, terrstr());
return -1;
}
int32_t len = 0;
int32_t maxLen = 4096;
char *content = calloc(1, maxLen + 1);
len += snprintf(content + len, maxLen - len, "{\n");
len += snprintf(content + len, maxLen - len, " \"deployed\": %d,\n", pMgmt->deployed);
len += snprintf(content + len, maxLen - len, " \"dropped\": %d\n", pMgmt->dropped);
len += snprintf(content + len, maxLen - len, "}\n");
fwrite(content, 1, len, fp);
taosFsyncFile(fileno(fp));
fclose(fp);
free(content);
if (taosRenameFile(file, file) != 0) {
terrno = TSDB_CODE_DND_SNODE_WRITE_FILE_ERROR;
dError("failed to rename %s since %s", file, terrstr());
return -1;
}
dInfo("successed to write %s, deployed:%d dropped:%d", file, pMgmt->deployed, pMgmt->dropped);
return 0;
}
static int32_t dndStartSnodeWorker(SDnode *pDnode) {
SSnodeMgmt *pMgmt = &pDnode->smgmt;
if (dndInitWorker(pDnode, &pMgmt->writeWorker, DND_WORKER_SINGLE, "snode-write", 0, 1,
(FProcessItem)dndProcessSnodeQueue) != 0) {
dError("failed to start snode write worker since %s", terrstr());
return -1;
}
return 0;
}
static void dndStopSnodeWorker(SDnode *pDnode) {
SSnodeMgmt *pMgmt = &pDnode->smgmt;
taosWLockLatch(&pMgmt->latch);
pMgmt->deployed = 0;
taosWUnLockLatch(&pMgmt->latch);
while (pMgmt->refCount > 1) {
taosMsleep(10);
}
dndCleanupWorker(&pMgmt->writeWorker);
}
static void dndBuildSnodeOption(SDnode *pDnode, SSnodeOpt *pOption) {
pOption->pDnode = pDnode;
pOption->sendMsgToDnodeFp = dndSendMsgToDnode;
pOption->sendMsgToMnodeFp = dndSendMsgToMnode;
pOption->sendRedirectMsgFp = dndSendRedirectMsg;
pOption->dnodeId = dndGetDnodeId(pDnode);
pOption->clusterId = dndGetClusterId(pDnode);
pOption->cfg.sver = pDnode->opt.sver;
}
static int32_t dndOpenSnode(SDnode *pDnode) {
SSnodeMgmt *pMgmt = &pDnode->smgmt;
SSnodeOpt option = {0};
dndBuildSnodeOption(pDnode, &option);
SSnode *pSnode = sndOpen(pDnode->dir.snode, &option);
if (pSnode == NULL) {
dError("failed to open snode since %s", terrstr());
return -1;
}
if (dndStartSnodeWorker(pDnode) != 0) {
dError("failed to start snode worker since %s", terrstr());
sndClose(pSnode);
return -1;
}
if (dndWriteSnodeFile(pDnode) != 0) {
dError("failed to write snode file since %s", terrstr());
dndStopSnodeWorker(pDnode);
sndClose(pSnode);
return -1;
}
taosWLockLatch(&pMgmt->latch);
pMgmt->pSnode = pSnode;
pMgmt->deployed = 1;
taosWUnLockLatch(&pMgmt->latch);
dInfo("snode open successfully");
return 0;
}
static int32_t dndDropSnode(SDnode *pDnode) {
SSnodeMgmt *pMgmt = &pDnode->smgmt;
SSnode *pSnode = dndAcquireSnode(pDnode);
if (pSnode == NULL) {
dError("failed to drop snode since %s", terrstr());
return -1;
}
taosRLockLatch(&pMgmt->latch);
pMgmt->dropped = 1;
taosRUnLockLatch(&pMgmt->latch);
if (dndWriteSnodeFile(pDnode) != 0) {
taosRLockLatch(&pMgmt->latch);
pMgmt->dropped = 0;
taosRUnLockLatch(&pMgmt->latch);
dndReleaseSnode(pDnode, pSnode);
dError("failed to drop snode since %s", terrstr());
return -1;
}
dndReleaseSnode(pDnode, pSnode);
dndStopSnodeWorker(pDnode);
sndClose(pSnode);
pMgmt->pSnode = NULL;
sndDestroy(pDnode->dir.snode);
return 0;
}
int32_t dndProcessCreateSnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
SCreateSnodeInMsg *pMsg = pRpcMsg->pCont;
pMsg->dnodeId = htonl(pMsg->dnodeId);
if (pMsg->dnodeId != dndGetDnodeId(pDnode)) {
terrno = TSDB_CODE_DND_SNODE_ID_INVALID;
return -1;
} else {
return dndOpenSnode(pDnode);
}
}
int32_t dndProcessDropSnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
SDropSnodeInMsg *pMsg = pRpcMsg->pCont;
pMsg->dnodeId = htonl(pMsg->dnodeId);
if (pMsg->dnodeId != dndGetDnodeId(pDnode)) {
terrno = TSDB_CODE_DND_SNODE_ID_INVALID;
return -1;
} else {
return dndDropSnode(pDnode);
}
}
static void dndProcessSnodeQueue(SDnode *pDnode, SRpcMsg *pMsg) {
SSnodeMgmt *pMgmt = &pDnode->smgmt;
SRpcMsg *pRsp = NULL;
int32_t code = TSDB_CODE_DND_SNODE_NOT_DEPLOYED;
SSnode *pSnode = dndAcquireSnode(pDnode);
if (pSnode != NULL) {
code = sndProcessMsg(pSnode, pMsg, &pRsp);
}
if (pRsp != NULL) {
pRsp->ahandle = pMsg->ahandle;
rpcSendResponse(pRsp);
free(pRsp);
} else {
if (code != 0) code = terrno;
SRpcMsg rpcRsp = {.handle = pMsg->handle, .ahandle = pMsg->ahandle, .code = code};
rpcSendResponse(&rpcRsp);
}
rpcFreeCont(pMsg->pCont);
taosFreeQitem(pMsg);
}
static void dndWriteSnodeMsgToWorker(SDnode *pDnode, SDnodeWorker *pWorker, SRpcMsg *pMsg) {
int32_t code = TSDB_CODE_DND_SNODE_NOT_DEPLOYED;
SSnode *pSnode = dndAcquireSnode(pDnode);
if (pSnode != NULL) {
code = dndWriteMsgToWorker(pWorker, pMsg, sizeof(SRpcMsg));
}
dndReleaseSnode(pDnode, pSnode);
if (code != 0) {
if (pMsg->msgType & 1u) {
SRpcMsg rsp = {.handle = pMsg->handle, .ahandle = pMsg->ahandle, .code = code};
rpcSendResponse(&rsp);
}
rpcFreeCont(pMsg->pCont);
}
}
void dndProcessSnodeWriteMsg(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEpSet) {
dndWriteSnodeMsgToWorker(pDnode, &pDnode->smgmt.writeWorker, pMsg);
}
int32_t dndInitSnode(SDnode *pDnode) {
SSnodeMgmt *pMgmt = &pDnode->smgmt;
taosInitRWLatch(&pMgmt->latch);
if (dndReadSnodeFile(pDnode) != 0) {
return -1;
}
if (pMgmt->dropped) return 0;
if (!pMgmt->deployed) return 0;
return dndOpenSnode(pDnode);
}
void dndCleanupSnode(SDnode *pDnode) {
SSnodeMgmt *pMgmt = &pDnode->smgmt;
if (pMgmt->pSnode) {
dndStopSnodeWorker(pDnode);
sndClose(pMgmt->pSnode);
pMgmt->pSnode = NULL;
}
}

32
source/dnode/mgmt/impl/src/dndWorker.c
View File

@ -16,9 +16,9 @@
#define _DEFAULT_SOURCE #define _DEFAULT_SOURCE
#include "dndWorker.h" #include "dndWorker.h"
int32_t dndInitWorker(SDnode *pDnode, SDnodeWorker *pWorker, EDndWorkerType type, const char *name, int32_t minNum, int32_t dndInitWorker(SDnode *pDnode, SDnodeWorker *pWorker, EWorkerType type, const char *name, int32_t minNum,
int32_t maxNum, FProcessItem fp) { int32_t maxNum, void *queueFp) {
if (pDnode == NULL || pWorker == NULL || name == NULL || minNum < 0 || maxNum <= 0 || fp == NULL) { if (pDnode == NULL || pWorker == NULL || name == NULL || minNum < 0 || maxNum <= 0 || queueFp == NULL) {
terrno = TSDB_CODE_INVALID_PARA; terrno = TSDB_CODE_INVALID_PARA;
return -1; return -1;
} }
@ -27,19 +27,32 @@ int32_t dndInitWorker(SDnode *pDnode, SDnodeWorker *pWorker, EDndWorkerType type
pWorker->name = name; pWorker->name = name;
pWorker->minNum = minNum; pWorker->minNum = minNum;
pWorker->maxNum = maxNum; pWorker->maxNum = maxNum;
pWorker->fp = fp; pWorker->queueFp = queueFp;
pWorker->pDnode = pDnode; pWorker->pDnode = pDnode;
if (pWorker->type == DND_WORKER_SINGLE) { if (pWorker->type == DND_WORKER_SINGLE) {
SWorkerPool *pPool = &pWorker->pool; SWorkerPool *pPool = &pWorker->pool;
pPool->name = name;
pPool->min = minNum; pPool->min = minNum;
pPool->max = maxNum; pPool->max = maxNum;
if (tWorkerInit(pPool) != 0) { if (tWorkerInit(pPool) != 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY; terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1; return -1;
} }
pWorker->queue = tWorkerAllocQueue(pPool, pDnode, (FProcessItem)queueFp);
pWorker->queue = tWorkerAllocQueue(&pPool, pDnode, fp); if (pWorker->queue == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
} else if (pWorker->type == DND_WORKER_MULTI) {
SMWorkerPool *pPool = &pWorker->mpool;
pPool->name = name;
pPool->max = maxNum;
if (tMWorkerInit(pPool) != 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
pWorker->queue = tMWorkerAllocQueue(pPool, pDnode, (FProcessItems)queueFp);
if (pWorker->queue == NULL) { if (pWorker->queue == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY; terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1; return -1;
@ -52,12 +65,17 @@ int32_t dndInitWorker(SDnode *pDnode, SDnodeWorker *pWorker, EDndWorkerType type
} }
void dndCleanupWorker(SDnodeWorker *pWorker) { void dndCleanupWorker(SDnodeWorker *pWorker) {
if (pWorker->type == DND_WORKER_SINGLE) {
while (!taosQueueEmpty(pWorker->queue)) { while (!taosQueueEmpty(pWorker->queue)) {
taosMsleep(10); taosMsleep(10);
} }
if (pWorker->type == DND_WORKER_SINGLE) {
tWorkerCleanup(&pWorker->pool); tWorkerCleanup(&pWorker->pool);
tWorkerFreeQueue(&pWorker->pool, pWorker->queue); tWorkerFreeQueue(&pWorker->pool, pWorker->queue);
} else if (pWorker->type == DND_WORKER_MULTI) {
tWorkerCleanup(&pWorker->mpool);
tMWorkerFreeQueue(&pWorker->mpool, pWorker->queue);
} else {
} }
} }

4
source/dnode/snode/src/snode.c
View File

@ -15,7 +15,7 @@
#include "sndInt.h" #include "sndInt.h"
SSnode *sndOpen(const SSnodeOpt *pOption) { SSnode *sndOpen(const char *path, const SSnodeOpt *pOption) {
SSnode *pSnode = calloc(1, sizeof(SSnode)); SSnode *pSnode = calloc(1, sizeof(SSnode));
return pSnode; return pSnode;
} }
@ -28,3 +28,5 @@ int32_t sndProcessWriteMsg(SSnode *pSnode, SRpcMsg *pMsg, SRpcMsg **pRsp) {
*pRsp = NULL; *pRsp = NULL;
return 0; return 0;
} }
void sndDestroy(const char *path) {}