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add a removed flag in pNode

This commit is contained in:
Jeff Tao 2020-11-27 07:23:16 +00:00
parent dbd975b3a0
commit 4b09f05290
5 changed files with 27 additions and 12 deletions
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2
src/connector/go

@ -1 +1 @@
Subproject commit 050667e5b4d0eafa5387e4283e713559b421203f
Subproject commit 8c58c512b6acda8bcdfa48fdc7140227b5221766

2
src/connector/grafanaplugin

@ -1 +1 @@
Subproject commit ec77d9049a719dabfd1a7c1122a209e201861944
Subproject commit d598db167eb256fe67409b7bb3d0eb7fffc3ff8c

15
src/rpc/src/rpcTcp.c
View File

@ -371,10 +371,13 @@ void taosCloseTcpConnection(void *chandle) {
int taosSendTcpData(uint32_t ip, uint16_t port, void *data, int len, void *chandle) {
SFdObj *pFdObj = chandle;
if (pFdObj == NULL || pFdObj->signature != pFdObj) return -1;
SThreadObj *pThreadObj = pFdObj->pThreadObj;
return taosWriteMsg(pFdObj->fd, data, len);
int ret = taosWriteMsg(pFdObj->fd, data, len);
tTrace("%s %p TCP data is sent, FD:%p fd:%d bytes:%d", pThreadObj->label, pFdObj->thandle, pFdObj, pFdObj->fd, ret);
return ret;
}
static void taosReportBrokenLink(SFdObj *pFdObj) {
@ -409,7 +412,7 @@ static int taosReadTcpData(SFdObj *pFdObj, SRecvInfo *pInfo) {
headLen = taosReadMsg(pFdObj->fd, &rpcHead, sizeof(SRpcHead));
if (headLen != sizeof(SRpcHead)) {
tDebug("%s %p read error, headLen:%d", pThreadObj->label, pFdObj->thandle, headLen);
tDebug("%s %p read error, FD:%p headLen:%d", pThreadObj->label, pFdObj->thandle, pFdObj, headLen);
return -1;
}
@ -420,7 +423,7 @@ static int taosReadTcpData(SFdObj *pFdObj, SRecvInfo *pInfo) {
tError("%s %p TCP malloc(size:%d) fail", pThreadObj->label, pFdObj->thandle, msgLen);
return -1;
} else {
tTrace("TCP malloc mem:%p size:%d", buffer, size);
tTrace("%s %p read data, FD:%p fd:%d TCP malloc mem:%p", pThreadObj->label, pFdObj->thandle, pFdObj, pFdObj->fd, buffer);
}
msg = buffer + tsRpcOverhead;
@ -583,8 +586,8 @@ static void taosFreeFdObj(SFdObj *pFdObj) {
pthread_mutex_unlock(&pThreadObj->mutex);
tDebug("%s %p TCP connection is closed, FD:%p numOfFds:%d",
pThreadObj->label, pFdObj->thandle, pFdObj, pThreadObj->numOfFds);
tDebug("%s %p TCP connection is closed, FD:%p fd:%d numOfFds:%d",
pThreadObj->label, pFdObj->thandle, pFdObj, pFdObj->fd, pThreadObj->numOfFds);
tfree(pFdObj);
}

1
src/util/inc/hash.h
View File

@ -36,6 +36,7 @@ typedef struct SHashNode {
uint32_t keyLen; // length of the key
uint32_t dataLen; // length of data
int8_t count; // reference count
int8_t removed; // flag to indicate removed
char data[];
} SHashNode;

19
src/util/src/hash.c
View File

@ -76,7 +76,7 @@ static FORCE_INLINE int32_t taosHashCapacity(int32_t length) {
static FORCE_INLINE SHashNode *doSearchInEntryList(SHashEntry *pe, const void *key, size_t keyLen, uint32_t hashVal) {
SHashNode *pNode = pe->next;
while (pNode) {
if ((pNode->keyLen == keyLen) && (memcmp(GET_HASH_NODE_KEY(pNode), key, keyLen) == 0)) {
if ((pNode->keyLen == keyLen) && (memcmp(GET_HASH_NODE_KEY(pNode), key, keyLen) == 0) && pNode->removed == 0) {
assert(pNode->hashVal == hashVal);
break;
}
@ -222,7 +222,7 @@ int32_t taosHashPut(SHashObj *pHashObj, const void *key, size_t keyLen, void *da
SHashNode* prev = NULL;
while (pNode) {
if ((pNode->keyLen == keyLen) && (memcmp(GET_HASH_NODE_KEY(pNode), key, keyLen) == 0)) {
if ((pNode->keyLen == keyLen) && (memcmp(GET_HASH_NODE_KEY(pNode), key, keyLen) == 0) && pNode->removed == 0) {
assert(pNode->hashVal == hashVal);
break;
}
@ -361,7 +361,7 @@ int32_t taosHashRemoveWithData(SHashObj *pHashObj, const void *key, size_t keyLe
SHashNode *prevNode = NULL;
while (pNode) {
if ((pNode->keyLen == keyLen) && (memcmp(GET_HASH_NODE_KEY(pNode), key, keyLen) == 0))
if ((pNode->keyLen == keyLen) && (memcmp(GET_HASH_NODE_KEY(pNode), key, keyLen) == 0) && pNode->removed == 0)
break;
prevNode = pNode;
@ -372,6 +372,7 @@ int32_t taosHashRemoveWithData(SHashObj *pHashObj, const void *key, size_t keyLe
code = 0; // it is found
pNode->count--;
pNode->removed = 1;
if (pNode->count <= 0) {
if (prevNode) {
prevNode->next = pNode->next;
@ -702,8 +703,13 @@ static void *taosHashReleaseNode(SHashObj *pHashObj, void *p, int *slot) {
pNode = pNode->next;
}
if (pNode) {
if (pNode) {
pNode = pNode->next;
while (pNode) {
if (pNode->removed == 0) break;
pNode = pNode->next;
}
pOld->count--;
if (pOld->count <=0) {
if (prevNode) {
@ -755,6 +761,11 @@ void *taosHashIterate(SHashObj *pHashObj, void *p) {
}
pNode = pe->next;
while (pNode) {
if (pNode->removed == 0) break;
pNode = pNode->next;
}
if (pNode) break;
if (pHashObj->type == HASH_ENTRY_LOCK) {