refactor code

source/libs/transport/src/transCli.c

@@ -103,14 +103,6 @@ static SCliConn* getConnFromPool(void* pool, char* ip, uint32_t port);
 static void      addConnToPool(void* pool, SCliConn* conn);
 static void      doCloseIdleConn(void* param);
 
-static int sockDebugInfo(struct sockaddr* sockname, char* dst) {
-  struct sockaddr_in addr = *(struct sockaddr_in*)sockname;
-
-  char buf[16] = {0};
-  int  r = uv_ip4_name(&addr, (char*)buf, sizeof(buf));
-  sprintf(dst, "%s:%d", buf, ntohs(addr.sin_port));
-  return r;
-}
 // register timer for read
 static void cliReadTimeoutCb(uv_timer_t* handle);
 // register timer in each thread to clear expire conn
@@ -127,6 +119,8 @@ static void cliAsyncCb(uv_async_t* handle);
 static void cliIdleCb(uv_idle_t* handle);
 static void cliPrepareCb(uv_prepare_t* handle);
 
+static bool cliRecvReleaseReq(SCliConn* conn, STransMsgHead* pHead);
+
 static int32_t allocConnRef(SCliConn* conn, bool update);
 
 static int cliAppCb(SCliConn* pConn, STransMsg* pResp, SCliMsg* pMsg);
@@ -361,6 +355,9 @@ void cliHandleResp(SCliConn* conn) {
 
   SCliMsg*       pMsg = NULL;
   STransConnCtx* pCtx = NULL;
+  if (cliRecvReleaseReq(conn, pHead)) {
+    return;
+  }
   CONN_SHOULD_RELEASE(conn, pHead);
 
   if (CONN_NO_PERSIST_BY_APP(conn)) {
@@ -383,7 +380,7 @@ void cliHandleResp(SCliConn* conn) {
                transMsg.info.ahandle);
       }
     } else {
-      pCtx = pMsg ? pMsg->ctx : NULL;
+      pCtx = pMsg->ctx;
       transMsg.info.ahandle = pCtx ? pCtx->ahandle : NULL;
       tDebug("%s conn %p get ahandle %p, persist: 1", CONN_GET_INST_LABEL(conn), conn, transMsg.info.ahandle);
     }
@@ -395,7 +392,6 @@ void cliHandleResp(SCliConn* conn) {
   }
 
   STraceId* trace = &transMsg.info.traceId;
-
   tGDebug("%s conn %p %s received from %s, local info:%s, len:%d, code str:%s", CONN_GET_INST_LABEL(conn), conn,
           TMSG_INFO(pHead->msgType), conn->dst, conn->src, transMsg.contLen, tstrerror(transMsg.code));
 
@@ -1053,6 +1049,30 @@ static void cliPrepareCb(uv_prepare_t* handle) {
   if (thrd->stopMsg != NULL) cliHandleQuit(thrd->stopMsg, thrd);
 }
 
+bool cliRecvReleaseReq(SCliConn* conn, STransMsgHead* pHead) {
+  if (pHead->release == 1 && (pHead->msgLen) == sizeof(*pHead)) {
+    uint64_t ahandle = pHead->ahandle;
+    SCliMsg* pMsg = NULL;
+    CONN_GET_MSGCTX_BY_AHANDLE(conn, ahandle);
+    transClearBuffer(&conn->readBuf);
+    transFreeMsg(transContFromHead((char*)pHead));
+    if (transQueueSize(&conn->cliMsgs) > 0 && ahandle == 0) {
+      SCliMsg* cliMsg = transQueueGet(&conn->cliMsgs, 0);
+      if (cliMsg->type == Release) return true;
+    }
+    tDebug("%s conn %p receive release request, refId:%" PRId64 "", CONN_GET_INST_LABEL(conn), conn, conn->refId);
+    if (T_REF_VAL_GET(conn) > 1) {
+      transUnrefCliHandle(conn);
+    }
+    destroyCmsg(pMsg);
+    cliReleaseUnfinishedMsg(conn);
+    transQueueClear(&conn->cliMsgs);
+    addConnToPool(((SCliThrd*)conn->hostThrd)->pool, conn);
+    return true;
+  }
+  return false;
+}
+
 static void* cliWorkThread(void* arg) {
   SCliThrd* pThrd = (SCliThrd*)arg;
   pThrd->pid = taosGetSelfPthreadId();

source/libs/transport/src/transSvr.c

@@ -114,6 +114,8 @@ static void uvAcceptAsyncCb(uv_async_t* handle);
 static void uvShutDownCb(uv_shutdown_t* req, int status);
 static void uvPrepareCb(uv_prepare_t* handle);
 
+static bool uvRecvReleaseReq(SSvrConn* conn, STransMsgHead* pHead);
+
 /*
  * time-consuming task throwed into BG work thread
  */
@@ -123,7 +125,7 @@ static void uvWorkAfterTask(uv_work_t* req, int status);
 static void uvWalkCb(uv_handle_t* handle, void* arg);
 static void uvFreeCb(uv_handle_t* handle);
 
-static void uvStartSendRespInternal(SSvrMsg* smsg);
+static void uvStartSendRespImpl(SSvrMsg* smsg);
 static void uvPrepareSendData(SSvrMsg* msg, uv_buf_t* wb);
 static void uvStartSendResp(SSvrMsg* msg);
 
@@ -154,37 +156,6 @@ static void* transAcceptThread(void* arg);
 static bool addHandleToWorkloop(SWorkThrd* pThrd, char* pipeName);
 static bool addHandleToAcceptloop(void* arg);
 
-#define CONN_SHOULD_RELEASE(conn, head)                                                                   \
-  do {                                                                                                    \
-    if ((head)->release == 1 && (head->msgLen) == sizeof(*head)) {                                        \
-      reallocConnRef(conn);                                                                               \
-      tTrace("conn %p received release request", conn);                                                   \
-                                                                                                          \
-      STraceId traceId = head->traceId;                                                                   \
-      conn->status = ConnRelease;                                                                         \
-      transClearBuffer(&conn->readBuf);                                                                   \
-      transFreeMsg(transContFromHead((char*)head));                                                       \
-                                                                                                          \
-      STransMsg tmsg = {                                                                                  \
-          .code = 0, .info.handle = (void*)conn, .info.traceId = traceId, .info.ahandle = (void*)0x9527}; \
-      SSvrMsg* srvMsg = taosMemoryCalloc(1, sizeof(SSvrMsg));                                             \
-      srvMsg->msg = tmsg;                                                                                 \
-      srvMsg->type = Release;                                                                             \
-      srvMsg->pConn = conn;                                                                               \
-      if (!transQueuePush(&conn->srvMsgs, srvMsg)) {                                                      \
-        return;                                                                                           \
-      }                                                                                                   \
-      if (conn->regArg.init) {                                                                            \
-        tTrace("conn %p release, notify server app", conn);                                               \
-        STrans* pTransInst = conn->pTransInst;                                                            \
-        (*pTransInst->cfp)(pTransInst->parent, &(conn->regArg.msg), NULL);                                \
-        memset(&conn->regArg, 0, sizeof(conn->regArg));                                                   \
-      }                                                                                                   \
-      uvStartSendRespInternal(srvMsg);                                                                    \
-      return;                                                                                             \
-    }                                                                                                     \
-  } while (0)
-
 #define SRV_RELEASE_UV(loop)       \
   do {                             \
     uv_walk(loop, uvWalkCb, NULL); \
@@ -230,7 +201,9 @@ static void uvHandleReq(SSvrConn* pConn) {
   //  transRefSrvHandle(pConn);
   //  uv_queue_work(((SWorkThrd*)pConn->hostThrd)->loop, wreq, uvWorkDoTask, uvWorkAfterTask);
 
-  CONN_SHOULD_RELEASE(pConn, pHead);
+  if (uvRecvReleaseReq(pConn, pHead)) {
+    return;
+  }
 
   STransMsg transMsg;
   memset(&transMsg, 0, sizeof(transMsg));
@@ -356,10 +329,10 @@ void uvOnSendCb(uv_write_t* req, int status) {
 
           msg = (SSvrMsg*)transQueueGet(&conn->srvMsgs, 0);
           if (msg != NULL) {
-            uvStartSendRespInternal(msg);
+            uvStartSendRespImpl(msg);
           }
         } else {
-          uvStartSendRespInternal(msg);
+          uvStartSendRespImpl(msg);
         }
       }
     }
@@ -423,7 +396,7 @@ static void uvPrepareSendData(SSvrMsg* smsg, uv_buf_t* wb) {
   wb->len = len;
 }
 
-static void uvStartSendRespInternal(SSvrMsg* smsg) {
+static void uvStartSendRespImpl(SSvrMsg* smsg) {
   SSvrConn* pConn = smsg->pConn;
   if (pConn->broken) {
     return;
@@ -453,7 +426,7 @@ static void uvStartSendResp(SSvrMsg* smsg) {
   if (!transQueuePush(&pConn->srvMsgs, smsg)) {
     return;
   }
-  uvStartSendRespInternal(smsg);
+  uvStartSendRespImpl(smsg);
   return;
 }
 
@@ -544,6 +517,35 @@ static void uvShutDownCb(uv_shutdown_t* req, int status) {
   uv_close((uv_handle_t*)req->handle, uvDestroyConn);
   taosMemoryFree(req);
 }
+static bool uvRecvReleaseReq(SSvrConn* pConn, STransMsgHead* pHead) {
+  if ((pHead)->release == 1 && (pHead->msgLen) == sizeof(*pHead)) {
+    reallocConnRef(pConn);
+    tTrace("conn %p received release request", pConn);
+
+    STraceId traceId = pHead->traceId;
+    pConn->status = ConnRelease;
+    transClearBuffer(&pConn->readBuf);
+    transFreeMsg(transContFromHead((char*)pHead));
+
+    STransMsg tmsg = {.code = 0, .info.handle = (void*)pConn, .info.traceId = traceId, .info.ahandle = (void*)0x9527};
+    SSvrMsg*  srvMsg = taosMemoryCalloc(1, sizeof(SSvrMsg));
+    srvMsg->msg = tmsg;
+    srvMsg->type = Release;
+    srvMsg->pConn = pConn;
+    if (!transQueuePush(&pConn->srvMsgs, srvMsg)) {
+      return true;
+    }
+    if (pConn->regArg.init) {
+      tTrace("conn %p release, notify server app", pConn);
+      STrans* pTransInst = pConn->pTransInst;
+      (*pTransInst->cfp)(pTransInst->parent, &(pConn->regArg.msg), NULL);
+      memset(&pConn->regArg, 0, sizeof(pConn->regArg));
+    }
+    uvStartSendRespImpl(srvMsg);
+    return true;
+  }
+  return false;
+}
 static void uvPrepareCb(uv_prepare_t* handle) {
   // prepare callback
   SWorkThrd*  pThrd = handle->data;
@@ -992,7 +994,7 @@ void uvHandleRelease(SSvrMsg* msg, SWorkThrd* thrd) {
     if (!transQueuePush(&conn->srvMsgs, msg)) {
       return;
     }
-    uvStartSendRespInternal(msg);
+    uvStartSendRespImpl(msg);
     return;
   } else if (conn->status == ConnRelease || conn->status == ConnNormal) {
     tDebug("%s conn %p already released, ignore release-msg", transLabel(thrd->pTransInst), conn);