#3621

Committed 22 Feb 2025 11:44AM UTC coverage: 2.037% (-61.5%) from 63.573%

Build # #3621

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push

travis-ci

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web-flow

Commit Message

Merge pull request #29874 from taosdata/merge/mainto3.0

merge: from main to 3.0 branch

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0.0

/source/libs/sync/src/syncReplication.c

/*
 * 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 "syncReplication.h"
#include "syncIndexMgr.h"
#include "syncPipeline.h"
#include "syncRaftEntry.h"
#include "syncRaftStore.h"
#include "syncUtil.h"

// TLA+ Spec
// AppendEntries(i, j) ==
//    /\ i /= j
//    /\ state[i] = Leader
//    /\ LET prevLogIndex == nextIndex[i][j] - 1
//           prevLogTerm == IF prevLogIndex > 0 THEN
//                              log[i][prevLogIndex].term
//                          ELSE
//                              0
//           \* Send up to 1 entry, constrained by the end of the log.
//           lastEntry == Min({Len(log[i]), nextIndex[i][j]})
//           entries == SubSeq(log[i], nextIndex[i][j], lastEntry)
//       IN Send([mtype          |-> AppendEntriesRequest,
//                mterm          |-> currentTerm[i],
//                mprevLogIndex  |-> prevLogIndex,
//                mprevLogTerm   |-> prevLogTerm,
//                mentries       |-> entries,
//                \* mlog is used as a history variable for the proof.
//                \* It would not exist in a real implementation.
//                mlog           |-> log[i],
//                mcommitIndex   |-> Min({commitIndex[i], lastEntry}),
//                msource        |-> i,
//                mdest          |-> j])
//    /\ UNCHANGED <<serverVars, candidateVars, leaderVars, logVars>>

int32_t syncNodeReplicateReset(SSyncNode* pNode, SRaftId* pDestId) {
  SSyncLogBuffer* pBuf = pNode->pLogBuf;
  (void)taosThreadMutexLock(&pBuf->mutex);
  SSyncLogReplMgr* pMgr = syncNodeGetLogReplMgr(pNode, pDestId);
  syncLogReplReset(pMgr);
  (void)taosThreadMutexUnlock(&pBuf->mutex);

  TAOS_RETURN(TSDB_CODE_SUCCESS);
}

int32_t syncNodeReplicate(SSyncNode* pNode) {
  SSyncLogBuffer* pBuf = pNode->pLogBuf;
  (void)taosThreadMutexLock(&pBuf->mutex);
  int32_t ret = syncNodeReplicateWithoutLock(pNode);
  (void)taosThreadMutexUnlock(&pBuf->mutex);

  TAOS_RETURN(ret);
}

int32_t syncNodeReplicateWithoutLock(SSyncNode* pNode) {
  if ((pNode->state != TAOS_SYNC_STATE_LEADER && pNode->state != TAOS_SYNC_STATE_ASSIGNED_LEADER) ||
      pNode->raftCfg.cfg.totalReplicaNum == 1) {
    TAOS_RETURN(TSDB_CODE_SUCCESS);
  }
  for (int32_t i = 0; i < pNode->totalReplicaNum; i++) {
    if (syncUtilSameId(&pNode->replicasId[i], &pNode->myRaftId)) {
      continue;
    }
    SSyncLogReplMgr* pMgr = pNode->logReplMgrs[i];
    int32_t          ret = 0;
    if ((ret = syncLogReplStart(pMgr, pNode)) != 0) {
      sWarn("vgId:%d, failed to start log replication to dnode:%d since %s", pNode->vgId, DID(&(pNode->replicasId[i])),
            tstrerror(ret));
    }
  }

  TAOS_RETURN(TSDB_CODE_SUCCESS);
}

int32_t syncNodeSendAppendEntries(SSyncNode* pSyncNode, const SRaftId* destRaftId, SRpcMsg* pRpcMsg) {
  SyncAppendEntries* pMsg = pRpcMsg->pCont;
  pMsg->destId = *destRaftId;
  TAOS_CHECK_RETURN(syncNodeSendMsgById(destRaftId, pSyncNode, pRpcMsg));

  int32_t nRef = 0;
  if (pSyncNode != NULL) {
    nRef = atomic_add_fetch_32(&pSyncNode->sendCount, 1);
    if (nRef <= 0) {
      sError("vgId:%d, send count is %d", pSyncNode->vgId, nRef);
    }
  }

  SSyncLogReplMgr* mgr = syncNodeGetLogReplMgr(pSyncNode, (SRaftId*)destRaftId);
  if (mgr != NULL) {
    nRef = atomic_add_fetch_32(&mgr->sendCount, 1);
    if (nRef <= 0) {
      sError("vgId:%d, send count is %d", pSyncNode->vgId, nRef);
    }
  }

  TAOS_RETURN(TSDB_CODE_SUCCESS);
}

int32_t syncNodeSendHeartbeat(SSyncNode* pSyncNode, const SRaftId* destId, SRpcMsg* pMsg) {
  SRaftId destIdTmp = *destId;
  TAOS_CHECK_RETURN(syncNodeSendMsgById(destId, pSyncNode, pMsg));

  int64_t tsMs = taosGetTimestampMs();
  syncIndexMgrSetSentTime(pSyncNode->pMatchIndex, &destIdTmp, tsMs);

  return TSDB_CODE_SUCCESS;
}

int32_t syncNodeHeartbeatPeers(SSyncNode* pSyncNode) {
  int64_t ts = taosGetTimestampMs();
  for (int32_t i = 0; i < pSyncNode->peersNum; ++i) {
    SRpcMsg rpcMsg = {0};
    if (syncBuildHeartbeat(&rpcMsg, pSyncNode->vgId) != 0) {
      sError("vgId:%d, build sync-heartbeat error", pSyncNode->vgId);
      continue;
    }

    SyncHeartbeat* pSyncMsg = rpcMsg.pCont;
    pSyncMsg->srcId = pSyncNode->myRaftId;
    pSyncMsg->destId = pSyncNode->peersId[i];
    pSyncMsg->term = raftStoreGetTerm(pSyncNode);
    pSyncMsg->commitIndex = pSyncNode->commitIndex;
    pSyncMsg->minMatchIndex = syncMinMatchIndex(pSyncNode);
    pSyncMsg->privateTerm = 0;
    pSyncMsg->timeStamp = ts;

    // send msg
    TRACE_SET_MSGID(&(rpcMsg.info.traceId), tGenIdPI64());
    STraceId* trace = &(rpcMsg.info.traceId);
    sGTrace("vgId:%d, send sync-heartbeat to dnode:%d", pSyncNode->vgId, DID(&(pSyncMsg->destId)));
    syncLogSendHeartbeat(pSyncNode, pSyncMsg, true, 0, 0);
    int32_t ret = syncNodeSendHeartbeat(pSyncNode, &pSyncMsg->destId, &rpcMsg);
    if (ret != 0) {
      sError("vgId:%d, failed to send sync-heartbeat since %s", pSyncNode->vgId, tstrerror(ret));
    }
  }

  TAOS_RETURN(TSDB_CODE_SUCCESS);
}

1	/*
2	* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
3	*
4	* This program is free software: you can use, redistribute, and/or modify
5	* it under the terms of the GNU Affero General Public License, version 3
6	* or later ("AGPL"), as published by the Free Software Foundation.
7	*
8	* This program is distributed in the hope that it will be useful, but WITHOUT
9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10	* FITNESS FOR A PARTICULAR PURPOSE.
11	*
12	* You should have received a copy of the GNU Affero General Public License
13	* along with this program. If not, see <http://www.gnu.org/licenses/>.
14	*/
15
16	#define _DEFAULT_SOURCE
17	#include "syncReplication.h"
18	#include "syncIndexMgr.h"
19	#include "syncPipeline.h"
20	#include "syncRaftEntry.h"
21	#include "syncRaftStore.h"
22	#include "syncUtil.h"
23
24	// TLA+ Spec
25	// AppendEntries(i, j) ==
26	// /\ i /= j
27	// /\ state[i] = Leader
28	// /\ LET prevLogIndex == nextIndex[i][j] - 1
29	// prevLogTerm == IF prevLogIndex > 0 THEN
30	// log[i][prevLogIndex].term
31	// ELSE
32	// 0
33	// \* Send up to 1 entry, constrained by the end of the log.
34	// lastEntry == Min({Len(log[i]), nextIndex[i][j]})
35	// entries == SubSeq(log[i], nextIndex[i][j], lastEntry)
36	// IN Send([mtype \|-> AppendEntriesRequest,
37	// mterm \|-> currentTerm[i],
38	// mprevLogIndex \|-> prevLogIndex,
39	// mprevLogTerm \|-> prevLogTerm,
40	// mentries \|-> entries,
41	// \* mlog is used as a history variable for the proof.
42	// \* It would not exist in a real implementation.
43	// mlog \|-> log[i],
44	// mcommitIndex \|-> Min({commitIndex[i], lastEntry}),
45	// msource \|-> i,
46	// mdest \|-> j])
47	// /\ UNCHANGED <<serverVars, candidateVars, leaderVars, logVars>>
48
UNCOV 49	int32_t syncNodeReplicateReset(SSyncNode* pNode, SRaftId* pDestId) {	×
UNCOV 50	SSyncLogBuffer* pBuf = pNode->pLogBuf;	×
UNCOV 51	(void)taosThreadMutexLock(&pBuf->mutex);	×
UNCOV 52	SSyncLogReplMgr* pMgr = syncNodeGetLogReplMgr(pNode, pDestId);	×
UNCOV 53	syncLogReplReset(pMgr);	×
UNCOV 54	(void)taosThreadMutexUnlock(&pBuf->mutex);	×
55
UNCOV 56	TAOS_RETURN(TSDB_CODE_SUCCESS);	×
57	}
58
UNCOV 59	int32_t syncNodeReplicate(SSyncNode* pNode) {	×
UNCOV 60	SSyncLogBuffer* pBuf = pNode->pLogBuf;	×
UNCOV 61	(void)taosThreadMutexLock(&pBuf->mutex);	×
UNCOV 62	int32_t ret = syncNodeReplicateWithoutLock(pNode);	×
UNCOV 63	(void)taosThreadMutexUnlock(&pBuf->mutex);	×
64
UNCOV 65	TAOS_RETURN(ret);	×
66	}
67
UNCOV 68	int32_t syncNodeReplicateWithoutLock(SSyncNode* pNode) {	×
UNCOV 69	if ((pNode->state != TAOS_SYNC_STATE_LEADER && pNode->state != TAOS_SYNC_STATE_ASSIGNED_LEADER) \|\|	×
UNCOV 70	pNode->raftCfg.cfg.totalReplicaNum == 1) {	×
UNCOV 71	TAOS_RETURN(TSDB_CODE_SUCCESS);	×
72	}
UNCOV 73	for (int32_t i = 0; i < pNode->totalReplicaNum; i++) {	×
UNCOV 74	if (syncUtilSameId(&pNode->replicasId[i], &pNode->myRaftId)) {	×
UNCOV 75	continue;	×
76	}
UNCOV 77	SSyncLogReplMgr* pMgr = pNode->logReplMgrs[i];	×
UNCOV 78	int32_t ret = 0;	×
UNCOV 79	if ((ret = syncLogReplStart(pMgr, pNode)) != 0) {	×
UNCOV 80	sWarn("vgId:%d, failed to start log replication to dnode:%d since %s", pNode->vgId, DID(&(pNode->replicasId[i])),	×
81	tstrerror(ret));
82	}
83	}
84
UNCOV 85	TAOS_RETURN(TSDB_CODE_SUCCESS);	×
86	}
87
UNCOV 88	int32_t syncNodeSendAppendEntries(SSyncNode* pSyncNode, const SRaftId* destRaftId, SRpcMsg* pRpcMsg) {	×
UNCOV 89	SyncAppendEntries* pMsg = pRpcMsg->pCont;	×
UNCOV 90	pMsg->destId = *destRaftId;	×
UNCOV 91	TAOS_CHECK_RETURN(syncNodeSendMsgById(destRaftId, pSyncNode, pRpcMsg));	×
92
UNCOV 93	int32_t nRef = 0;	×
UNCOV 94	if (pSyncNode != NULL) {	×
UNCOV 95	nRef = atomic_add_fetch_32(&pSyncNode->sendCount, 1);	×
UNCOV 96	if (nRef <= 0) {	×
97	sError("vgId:%d, send count is %d", pSyncNode->vgId, nRef);	×
98	}
99	}
100
UNCOV 101	SSyncLogReplMgr* mgr = syncNodeGetLogReplMgr(pSyncNode, (SRaftId*)destRaftId);	×
UNCOV 102	if (mgr != NULL) {	×
UNCOV 103	nRef = atomic_add_fetch_32(&mgr->sendCount, 1);	×
UNCOV 104	if (nRef <= 0) {	×
105	sError("vgId:%d, send count is %d", pSyncNode->vgId, nRef);	×
106	}
107	}
108
UNCOV 109	TAOS_RETURN(TSDB_CODE_SUCCESS);	×
110	}
111
UNCOV 112	int32_t syncNodeSendHeartbeat(SSyncNode* pSyncNode, const SRaftId* destId, SRpcMsg* pMsg) {	×
UNCOV 113	SRaftId destIdTmp = *destId;	×
UNCOV 114	TAOS_CHECK_RETURN(syncNodeSendMsgById(destId, pSyncNode, pMsg));	×
115
UNCOV 116	int64_t tsMs = taosGetTimestampMs();	×
UNCOV 117	syncIndexMgrSetSentTime(pSyncNode->pMatchIndex, &destIdTmp, tsMs);	×
118
UNCOV 119	return TSDB_CODE_SUCCESS;	×
120	}
121
UNCOV 122	int32_t syncNodeHeartbeatPeers(SSyncNode* pSyncNode) {	×
UNCOV 123	int64_t ts = taosGetTimestampMs();	×
UNCOV 124	for (int32_t i = 0; i < pSyncNode->peersNum; ++i) {	×
UNCOV 125	SRpcMsg rpcMsg = {0};	×
UNCOV 126	if (syncBuildHeartbeat(&rpcMsg, pSyncNode->vgId) != 0) {	×
127	sError("vgId:%d, build sync-heartbeat error", pSyncNode->vgId);	×
128	continue;	×
129	}
130
UNCOV 131	SyncHeartbeat* pSyncMsg = rpcMsg.pCont;	×
UNCOV 132	pSyncMsg->srcId = pSyncNode->myRaftId;	×
UNCOV 133	pSyncMsg->destId = pSyncNode->peersId[i];	×
UNCOV 134	pSyncMsg->term = raftStoreGetTerm(pSyncNode);	×
UNCOV 135	pSyncMsg->commitIndex = pSyncNode->commitIndex;	×
UNCOV 136	pSyncMsg->minMatchIndex = syncMinMatchIndex(pSyncNode);	×
UNCOV 137	pSyncMsg->privateTerm = 0;	×
UNCOV 138	pSyncMsg->timeStamp = ts;	×
139
140	// send msg
UNCOV 141	TRACE_SET_MSGID(&(rpcMsg.info.traceId), tGenIdPI64());	×
UNCOV 142	STraceId* trace = &(rpcMsg.info.traceId);	×
UNCOV 143	sGTrace("vgId:%d, send sync-heartbeat to dnode:%d", pSyncNode->vgId, DID(&(pSyncMsg->destId)));	×
UNCOV 144	syncLogSendHeartbeat(pSyncNode, pSyncMsg, true, 0, 0);	×
UNCOV 145	int32_t ret = syncNodeSendHeartbeat(pSyncNode, &pSyncMsg->destId, &rpcMsg);	×
UNCOV 146	if (ret != 0) {	×
147	sError("vgId:%d, failed to send sync-heartbeat since %s", pSyncNode->vgId, tstrerror(ret));	×
148	}
149	}
150
UNCOV 151	TAOS_RETURN(TSDB_CODE_SUCCESS);	×
152	}

taosdata / TDengine / #3621

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