add heartbeat framework

include/common/tmsg.h

@@ -1126,7 +1126,7 @@ typedef struct {
   int32_t topicNum;
   int64_t consumerId;
   char*   consumerGroup;
-  char*   topicName[];
+  SArray* topicNames; // SArray<char*>
 } SCMSubscribeReq;
 
 static FORCE_INLINE int tSerializeSCMSubscribeReq(void** buf, const SCMSubscribeReq* pReq) {
@@ -1134,8 +1134,9 @@ static FORCE_INLINE int tSerializeSCMSubscribeReq(void** buf, const SCMSubscribe
   tlen += taosEncodeFixedI32(buf, pReq->topicNum);
   tlen += taosEncodeFixedI64(buf, pReq->consumerId);
   tlen += taosEncodeString(buf, pReq->consumerGroup);
+
   for(int i = 0; i < pReq->topicNum; i++) {
-    tlen += taosEncodeString(buf, pReq->topicName[i]);
+    tlen += taosEncodeString(buf, (char*)taosArrayGetP(pReq->topicNames, i));
   }
   return tlen;
 }
@@ -1144,8 +1145,11 @@ static FORCE_INLINE void* tDeserializeSCMSubscribeReq(void* buf, SCMSubscribeReq
   buf = taosDecodeFixedI32(buf, &pReq->topicNum);
   buf = taosDecodeFixedI64(buf, &pReq->consumerId);
   buf = taosDecodeString(buf, &pReq->consumerGroup);
+  pReq->topicNames = taosArrayInit(pReq->topicNum, sizeof(void*));
   for(int i = 0; i < pReq->topicNum; i++) {
-    buf = taosDecodeString(buf, &pReq->topicName[i]);
+    char* name = NULL;
+    buf = taosDecodeString(buf, &name);
+    taosArrayPush(pReq->topicNames, &name);
   }
   return buf;
 }

include/util/tcoding.h

@@ -370,6 +370,29 @@ static FORCE_INLINE void *taosDecodeStringTo(void *buf, char *value) {
   return POINTER_SHIFT(buf, size);
 }
 
+// ---- binary
+static FORCE_INLINE int taosEncodeBinary(void **buf, const void *value, int valueLen) {
+  int    tlen = 0;
+
+  if (buf != NULL) {
+    memcpy(*buf, value, valueLen);
+    *buf = POINTER_SHIFT(*buf, valueLen);
+  }
+  tlen += (int)valueLen;
+
+  return tlen;
+}
+
+static FORCE_INLINE void *taosDecodeBinary(void *buf, void **value, int valueLen) {
+  uint64_t size = 0;
+
+  *value = malloc((size_t)valueLen);
+  if (*value == NULL) return NULL;
+  memcpy(*value, buf, (size_t)size);
+
+  return POINTER_SHIFT(buf, size);
+}
+
 #endif
 
 #ifdef __cplusplus

include/util/thash.h

@@ -210,6 +210,14 @@ void  taosHashCancelIterate(SHashObj *pHashObj, void *p);
  */
 int32_t taosHashGetKey(void *data, void** key, size_t* keyLen);
 
+
+/**
+ * Get the corresponding data length for a given data in hash table
+ * @param data
+ * @return
+ */
+int32_t taosHashGetDataLen(void *data);
+
 /**
  * return the payload data with the specified key(reference number added)
  *

source/client/inc/clientHb.h

@@ -0,0 +1,148 @@
+/*
+ * 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 "os.h"
+#include "tarray.h"
+#include "thash.h"
+#include "tmsg.h"
+
+typedef enum {
+  mq = 0,
+  HEARTBEAT_TYPE_MAX
+} EHbType;
+
+typedef struct SKlv {
+  int32_t keyLen;
+  int32_t valueLen;
+  void*   key;
+  void*   value;
+} SKlv;
+
+static FORCE_INLINE int taosEncodeSKlv(void** buf, const SKlv* pKlv) {
+  int tlen = 0;
+  tlen += taosEncodeFixedI32(buf, pKlv->keyLen);
+  tlen += taosEncodeFixedI32(buf, pKlv->valueLen);
+  tlen += taosEncodeBinary(buf, pKlv->key, pKlv->keyLen);
+  tlen += taosEncodeBinary(buf, pKlv->value, pKlv->valueLen);
+  return tlen;
+}
+
+static FORCE_INLINE void* taosDecodeSKlv(void* buf, SKlv* pKlv) {
+  buf = taosDecodeFixedI32(buf, &pKlv->keyLen); 
+  buf = taosDecodeFixedI32(buf, &pKlv->valueLen);
+  buf = taosDecodeBinary(buf, &pKlv->key, pKlv->keyLen);
+  buf = taosDecodeBinary(buf, &pKlv->value, pKlv->valueLen);
+  return buf;
+}
+
+typedef struct SClientHbKey {
+  int32_t connId;
+  int32_t hbType;
+} SClientHbKey;
+
+static FORCE_INLINE int taosEncodeSClientHbKey(void** buf, const SClientHbKey* pKey) {
+  int tlen = 0;
+  tlen += taosEncodeFixedI32(buf, pKey->connId);
+  tlen += taosEncodeFixedI32(buf, pKey->hbType);
+  return tlen;
+}
+
+static FORCE_INLINE void* taosDecodeSClientHbKey(void* buf, SClientHbKey* pKey) {
+  buf = taosDecodeFixedI32(buf, &pKey->connId);
+  buf = taosDecodeFixedI32(buf, &pKey->hbType);
+  return buf;
+}
+
+typedef struct SClientHbReq {
+  SClientHbKey hbKey;
+  SHashObj* info;  // hash<Sklv>
+} SClientHbReq;
+
+static FORCE_INLINE int tSerializeSClientHbReq(void** buf, const SClientHbReq* pReq) {
+  int tlen = 0;
+  tlen += taosEncodeSClientHbKey(buf, &pReq->hbKey);
+  
+  void* pIter = NULL;
+  void* data;
+  SKlv klv;
+  data = taosHashIterate(pReq->info, pIter);
+  while (data != NULL) {
+    taosHashGetKey(data, &klv.key, (size_t*)&klv.keyLen);
+    klv.valueLen = taosHashGetDataLen(data);
+    klv.value = data;
+    taosEncodeSKlv(buf, &klv);
+
+    data = taosHashIterate(pReq->info, pIter);
+  }
+  return tlen;
+}
+
+static FORCE_INLINE void* tDeserializeClientHbReq(void* buf, SClientHbReq* pReq) {
+  ASSERT(pReq->info != NULL);
+  buf = taosDecodeSClientHbKey(buf, &pReq->hbKey);
+
+  //TODO: error handling
+  if(pReq->info == NULL) {
+    pReq->info = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK);
+  }
+  SKlv klv;
+  buf = taosDecodeSKlv(buf, &klv);
+  taosHashPut(pReq->info, klv.key, klv.keyLen, klv.value, klv.valueLen);
+  
+  return buf;
+}
+
+typedef struct SClientHbBatchReq {
+  int64_t reqId;
+  SArray* reqs;  // SArray<SClientHbReq>
+} SClientHbBatchReq;
+
+typedef struct SClientHbHandleResult {
+} SClientHbHandleResult;
+
+typedef struct SClientHbRsp {
+  int32_t connId;
+  int32_t hbType;
+} SClientHbRsp;
+
+typedef struct SClientHbBatchRsp {
+  int64_t reqId;
+  int64_t rspId;
+  SArray* rsps;  // SArray<SClientHbRsp>
+} SClientHbBatchRsp;
+
+typedef int32_t (*FHbRspHandle)(SClientHbReq* pReq);
+typedef int32_t (*FGetConnInfo)(int32_t conn, void* self);
+
+typedef struct SClientHbMgr {
+  int8_t       inited;
+  int32_t      reportInterval;  // unit ms
+  int32_t      stats;
+  SRWLatch     lock;
+  SHashObj*    info;   //hash<SClientHbKey, SClientHbReq>
+  FHbRspHandle handle[HEARTBEAT_TYPE_MAX];
+  // input queue
+} SClientHbMgr;
+
+static SClientHbMgr clientHbMgr = {0};
+
+int  hbMgrInit();
+void hbMgrCleanUp();
+
+int registerConn(int32_t connId, FGetConnInfo func, FHbRspHandle rspHandle);
+
+int registerHbRspHandle(int32_t connId, int32_t hbType, FHbRspHandle rspHandle);
+
+int HbAddConnInfo(int32_t connId, void* key, void* value, int32_t keyLen, int32_t valueLen);

source/client/src/clientHb.c

@@ -0,0 +1,60 @@
+/*
+ * 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 "clientHb.h"
+
+static int32_t mqHbRspHandle(SClientHbReq* pReq) {
+  return 0;
+}
+
+int hbMgrInit() {
+  //init once
+  //
+  //init lock
+  //
+  //init handle funcs
+  clientHbMgr.handle[mq] = mqHbRspHandle;
+
+  //init stat
+  clientHbMgr.stats = 0;
+  
+  //init config
+  clientHbMgr.reportInterval = 1500;
+
+  //init hash info
+  //
+  return 0;
+}
+
+void hbMgrCleanUp() {
+
+}
+
+int registerConn(int32_t connId, FGetConnInfo func, FHbRspHandle rspHandle) {
+  return 0;
+}
+
+int registerHbRspHandle(int32_t connId, int32_t hbType, FHbRspHandle rspHandle) {
+  return 0;
+}
+
+int HbAddConnInfo(int32_t connId, void* key, void* value, int32_t keyLen, int32_t valueLen) {
+  //lock
+
+  //find req by connection id
+
+  //unlock
+  return 0;
+}

source/dnode/mnode/impl/src/mndConsumer.c

@@ -155,7 +155,6 @@ static SSdbRow *mndConsumerActionDecode(SSdbRaw *pRaw) {
     SDB_GET_INT32(pRaw, dataPos, &vgSize, CONSUME_DECODE_OVER);
   }
 
-
 CONSUME_DECODE_OVER:
   if (terrno != 0) {
     mError("consumer:%ld, failed to decode from raw:%p since %s", pConsumer->consumerId, pRaw, terrstr());
@@ -209,6 +208,7 @@ static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg) {
   tDeserializeSCMSubscribeReq(msgStr, pSubscribe);
   int64_t consumerId = pSubscribe->consumerId;
   char   *consumerGroup = pSubscribe->consumerGroup;
+  int32_t cgroupLen = strlen(consumerGroup);
 
   SArray *newSub = NULL;
   int     newTopicNum = pSubscribe->topicNum;
@@ -216,13 +216,14 @@ static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg) {
     newSub = taosArrayInit(newTopicNum, sizeof(SMqConsumerTopic));
   }
   for (int i = 0; i < newTopicNum; i++) {
-    char             *topic = pSubscribe->topicName[i];
+    char             *newTopicName = taosArrayGetP(newSub, i);
     SMqConsumerTopic *pConsumerTopic = malloc(sizeof(SMqConsumerTopic));
     if (pConsumerTopic == NULL) {
       terrno = TSDB_CODE_OUT_OF_MEMORY;
       // TODO: free
       return -1;
     }
+    strcpy(pConsumerTopic->name, newTopicName);
     pConsumerTopic->vgroups = tdListNew(sizeof(int64_t));
     taosArrayPush(newSub, pConsumerTopic);
     free(pConsumerTopic);
@@ -239,7 +240,8 @@ static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg) {
       terrno = TSDB_CODE_OUT_OF_MEMORY;
       return -1;
     }
-    strcpy(pConsumer->cgroup, pSubscribe->consumerGroup);
+    pConsumer->consumerId = consumerId;
+    strcpy(pConsumer->cgroup, consumerGroup);
 
   } else {
     oldSub = pConsumer->topics;
@@ -260,6 +262,7 @@ static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg) {
       j++;
     } else if (j >= oldTopicNum) {
       pNewTopic = taosArrayGet(newSub, i);
+      i++;
     } else {
       pNewTopic = taosArrayGet(newSub, i);
       pOldTopic = taosArrayGet(oldSub, j);
@@ -292,7 +295,7 @@ static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg) {
 
       SMqTopicObj *pTopic = mndAcquireTopic(pMnode, oldTopicName);
       ASSERT(pTopic != NULL);
-      SMqCGroup *pGroup = taosHashGet(pTopic->cgroups, pSubscribe->consumerGroup, strlen(pSubscribe->consumerGroup));
+      SMqCGroup *pGroup = taosHashGet(pTopic->cgroups, consumerGroup, cgroupLen);
       while ((pn = tdListNext(&iter)) != NULL) {
         int32_t vgId = *(int64_t *)pn->data;
         SVgObj *pVgObj = mndAcquireVgroup(pMnode, vgId);
@@ -302,8 +305,7 @@ static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg) {
           continue;
         }
         // acquire and get epset
-        void *pMqVgSetReq =
+        void *pMqVgSetReq = mndBuildMqVGroupSetReq(pMnode, oldTopicName, vgId, consumerId, consumerGroup);
-            mndBuildMqVGroupSetReq(pMnode, oldTopicName, vgId, pSubscribe->consumerId, pSubscribe->consumerGroup);
         // TODO:serialize
         if (pMsg == NULL) {
           terrno = TSDB_CODE_OUT_OF_MEMORY;
@@ -321,7 +323,8 @@ static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg) {
           return -1;
         }
       }
-      taosHashRemove(pTopic->cgroups, pSubscribe->consumerGroup, strlen(pSubscribe->consumerGroup));
+      taosHashRemove(pTopic->cgroups, consumerGroup, cgroupLen);
+      mndReleaseTopic(pMnode, pTopic);
 
     } else if (pNewTopic != NULL) {
       ASSERT(pOldTopic == NULL);
@@ -330,7 +333,7 @@ static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg) {
       SMqTopicObj *pTopic = mndAcquireTopic(pMnode, newTopicName);
       ASSERT(pTopic != NULL);
 
-      SMqCGroup *pGroup = taosHashGet(pTopic->cgroups, pSubscribe->consumerGroup, strlen(pSubscribe->consumerGroup));
+      SMqCGroup *pGroup = taosHashGet(pTopic->cgroups, consumerGroup, cgroupLen);
       if (pGroup == NULL) {
         // add new group
         pGroup = malloc(sizeof(SMqCGroup));
@@ -346,18 +349,20 @@ static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg) {
         }
         pGroup->status = 0;
         // add into cgroups
-        taosHashPut(pTopic->cgroups, pSubscribe->consumerGroup, strlen(pSubscribe->consumerGroup), pGroup,
+        taosHashPut(pTopic->cgroups, consumerGroup, cgroupLen, pGroup, sizeof(SMqCGroup));
-                    sizeof(SMqCGroup));
       }
 
       // put the consumer into list
       // rebalance will be triggered by timer
-      tdListAppend(pGroup->consumerIds, &pSubscribe->consumerId);
+      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);
     }
@@ -376,11 +381,13 @@ static int32_t mndProcessSubscribeReq(SMnodeMsg *pMsg) {
   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;
 }
 

source/dnode/mnode/impl/src/mndTopic.c

@@ -58,25 +58,36 @@ int32_t mndInitTopic(SMnode *pMnode) {
 void mndCleanupTopic(SMnode *pMnode) {}
 
 SSdbRaw *mndTopicActionEncode(SMqTopicObj *pTopic) {
+  terrno = TSDB_CODE_OUT_OF_MEMORY;
+
   int32_t  size = sizeof(SMqTopicObj) + MND_TOPIC_RESERVE_SIZE;
   SSdbRaw *pRaw = sdbAllocRaw(SDB_TOPIC, MND_TOPIC_VER_NUMBER, size);
-  if (pRaw == NULL) goto WTF;
+  if (pRaw == NULL) goto TOPIC_ENCODE_OVER;
 
   int32_t dataPos = 0;
-  SDB_SET_BINARY(pRaw, dataPos, pTopic->name, TSDB_TABLE_FNAME_LEN, WTF);
+  SDB_SET_BINARY(pRaw, dataPos, pTopic->name, TSDB_TABLE_FNAME_LEN, TOPIC_ENCODE_OVER);
-  SDB_SET_BINARY(pRaw, dataPos, pTopic->db, TSDB_DB_FNAME_LEN, WTF);
+  SDB_SET_BINARY(pRaw, dataPos, pTopic->db, TSDB_DB_FNAME_LEN, TOPIC_ENCODE_OVER);
-  SDB_SET_INT64(pRaw, dataPos, pTopic->createTime, WTF);
+  SDB_SET_INT64(pRaw, dataPos, pTopic->createTime, TOPIC_ENCODE_OVER);
-  SDB_SET_INT64(pRaw, dataPos, pTopic->updateTime, WTF);
+  SDB_SET_INT64(pRaw, dataPos, pTopic->updateTime, TOPIC_ENCODE_OVER);
-  SDB_SET_INT64(pRaw, dataPos, pTopic->uid, WTF);
+  SDB_SET_INT64(pRaw, dataPos, pTopic->uid, TOPIC_ENCODE_OVER);
-  SDB_SET_INT64(pRaw, dataPos, pTopic->dbUid, WTF);
+  SDB_SET_INT64(pRaw, dataPos, pTopic->dbUid, TOPIC_ENCODE_OVER);
-  SDB_SET_INT32(pRaw, dataPos, pTopic->version, WTF);
+  SDB_SET_INT32(pRaw, dataPos, pTopic->version, TOPIC_ENCODE_OVER);
-  SDB_SET_INT32(pRaw, dataPos, pTopic->sqlLen, WTF);
+  SDB_SET_INT32(pRaw, dataPos, pTopic->sqlLen, TOPIC_ENCODE_OVER);
-  SDB_SET_BINARY(pRaw, dataPos, pTopic->sql, pTopic->sqlLen, WTF);
+  SDB_SET_BINARY(pRaw, dataPos, pTopic->sql, pTopic->sqlLen, TOPIC_ENCODE_OVER);
 
-  SDB_SET_RESERVE(pRaw, dataPos, MND_TOPIC_RESERVE_SIZE, WTF);
+  SDB_SET_RESERVE(pRaw, dataPos, MND_TOPIC_RESERVE_SIZE, TOPIC_ENCODE_OVER);
-  SDB_SET_DATALEN(pRaw, dataPos, WTF);
+  SDB_SET_DATALEN(pRaw, dataPos, TOPIC_ENCODE_OVER);
 
-WTF:
+  terrno = TSDB_CODE_SUCCESS;
+
+TOPIC_ENCODE_OVER:
+  if (terrno != TSDB_CODE_SUCCESS) {
+    mError("topic:%s, failed to encode to raw:%p since %s", pTopic->name, pRaw, terrstr());
+    sdbFreeRaw(pRaw);
+    return NULL;
+  }
+
+  mTrace("topic:%s, encode to raw:%p, row:%p", pTopic->name, pRaw, pTopic);
   return pRaw;
 }
 
@@ -115,10 +126,10 @@ SSdbRow *mndTopicActionDecode(SSdbRaw *pRaw) {
 
   SDB_GET_RESERVE(pRaw, dataPos, MND_TOPIC_RESERVE_SIZE, TOPIC_DECODE_OVER)
 
-  terrno = 0;
+  terrno = TSDB_CODE_SUCCESS;
 
 TOPIC_DECODE_OVER:
-  if (terrno != 0) {
+  if (terrno != TSDB_CODE_SUCCESS) {
     mError("topic:%s, failed to decode from raw:%p since %s", pTopic->name, pRaw, terrstr());
     tfree(pRow);
     return NULL;

source/util/src/thash.c

@@ -799,6 +799,11 @@ FORCE_INLINE int32_t taosHashGetKey(void *data, void** key, size_t* keyLen) {
   return 0;
 }
 
+FORCE_INLINE int32_t taosHashGetDataLen(void *data) {
+  SHashNode * node = GET_HASH_PNODE(data);
+  return node->keyLen;
+}
+
 FORCE_INLINE uint32_t taosHashGetDataKeyLen(SHashObj *pHashObj, void *data) {
   SHashNode * node = GET_HASH_PNODE(data);
   return node->keyLen;