handle except

include/libs/transport/trpc.h

@@ -43,6 +43,7 @@ typedef struct SRpcMsg {
   int32_t code;
   void *  handle;   // rpc handle returned to app
   void *  ahandle;  // app handle set by client
+  int     noResp;   // has response or not(default 0 indicate resp);
 } SRpcMsg;
 
 typedef struct SRpcInit {

source/libs/transport/src/transCli.c

@@ -158,9 +158,11 @@ static void         destroyThrdObj(SCliThrdObj* pThrd);
   } while (0)
 #define CONN_NO_PERSIST_BY_APP(conn) ((conn)->persist == false)
 
+#define REQUEST_NO_RESP(msg) ((msg)->noResp == 1)
+
 static void* cliWorkThread(void* arg);
 
-bool cliMayContinueSendMsg(SCliConn* conn) {
+bool cliMaySendCachedMsg(SCliConn* conn) {
   if (taosArrayGetSize(conn->cliMsgs) > 0) {
     cliSend(conn);
     return true;
@@ -226,7 +228,7 @@ void cliHandleResp(SCliConn* conn) {
   }
   destroyCmsg(pMsg);
 
-  if (cliMayContinueSendMsg(conn) == true) {
+  if (cliMaySendCachedMsg(conn) == true) {
     return;
   }
 
@@ -441,7 +443,24 @@ static void cliDestroy(uv_handle_t* handle) {
   tTrace("%s cli conn %p destroy successfully", CONN_GET_INST_LABEL(conn), conn);
   free(conn);
 }
-
+static bool cliHandleNoResp(SCliConn* conn) {
+  bool    res = false;
+  SArray* msgs = conn->cliMsgs;
+  if (taosArrayGetSize(msgs) > 0) {
+    SCliMsg* pMsg = taosArrayGetP(msgs, 0);
+    if (REQUEST_NO_RESP(&pMsg->msg)) {
+      taosArrayRemove(msgs, 0);
+      destroyCmsg(pMsg);
+      res = true;
+    }
+    if (res == true) {
+      if (cliMaySendCachedMsg(conn) == false) {
+        addConnToPool(conn->hostThrd, conn);
+      }
+    }
+  }
+  return res;
+}
 static void cliSendCb(uv_write_t* req, int status) {
   SCliConn* pConn = req->data;
 
@@ -452,6 +471,10 @@ static void cliSendCb(uv_write_t* req, int status) {
     cliHandleExcept(pConn);
     return;
   }
+  if (cliHandleNoResp(pConn) == true) {
+    tTrace("%s cli conn %p no resp required", CONN_GET_INST_LABEL(pConn), pConn);
+    return;
+  }
   uv_read_start((uv_stream_t*)pConn->stream, cliAllocRecvBufferCb, cliRecvCb);
 }
 
@@ -489,6 +512,7 @@ void cliSend(SCliConn* pConn) {
     msgLen += sizeof(STransUserMsg);
   }
 
+  pHead->resflag = REQUEST_NO_RESP(pMsg) ? 1 : 0;
   pHead->msgType = pMsg->msgType;
   pHead->msgLen = (int32_t)htonl((uint32_t)msgLen);
 

source/libs/transport/src/transSrv.c

@@ -226,15 +226,22 @@ static void uvHandleReq(SSrvConn* pConn) {
   transMsg.msgType = pHead->msgType;
   transMsg.code = pHead->code;
   transMsg.ahandle = NULL;
-  transMsg.handle = pConn;
+  transMsg.handle = NULL;
 
   transClearBuffer(&pConn->readBuf);
   pConn->inType = pHead->msgType;
-  transRefSrvHandle(pConn);
 
+  if (pHead->resflag == 0) {
+    transRefSrvHandle(pConn);
+    transMsg.handle = pConn;
     tDebug("server conn %p %s received from %s:%d, local info: %s:%d, msg size: %d", pConn, TMSG_INFO(transMsg.msgType),
            inet_ntoa(pConn->addr.sin_addr), ntohs(pConn->addr.sin_port), inet_ntoa(pConn->locaddr.sin_addr),
            ntohs(pConn->locaddr.sin_port), transMsg.contLen);
+  } else {
+    tDebug("server conn %p %s received from %s:%d, local info: %s:%d, msg size: %d, no resp ", pConn,
+           TMSG_INFO(transMsg.msgType), inet_ntoa(pConn->addr.sin_addr), ntohs(pConn->addr.sin_port),
+           inet_ntoa(pConn->locaddr.sin_addr), ntohs(pConn->locaddr.sin_port), transMsg.contLen);
+  }
 
   STrans* pTransInst = (STrans*)p->shandle;
   (*pTransInst->cfp)(pTransInst->parent, &transMsg, NULL);

source/libs/transport/test/transUT.cc

@@ -361,7 +361,7 @@ TEST_F(TransEnv, cliPersistHandle) {
   tr->SetCliPersistFp(cliPersistHandle);
   SRpcMsg resp = {0};
   for (int i = 0; i < 10; i++) {
-    SRpcMsg req = {.handle = resp.handle};
+    SRpcMsg req = {.handle = resp.handle, .noResp = 0};
     req.msgType = 1;
     req.pCont = rpcMallocCont(10);
     req.contLen = 10;
@@ -448,6 +448,25 @@ TEST_F(TransEnv, srvPersistHandleExcept) {
   // conn broken
   //
 }
+TEST_F(TransEnv, cliPersistHandleExcept) {
+  tr->SetSrvContinueSend(processContinueSend);
+  tr->SetCliPersistFp(cliPersistHandle);
+  SRpcMsg resp = {0};
+  for (int i = 0; i < 5; i++) {
+    SRpcMsg req = {.handle = resp.handle};
+    req.msgType = 1;
+    req.pCont = rpcMallocCont(10);
+    req.contLen = 10;
+    tr->cliSendAndRecv(&req, &resp);
+    if (i > 2) {
+      tr->StopSrv();
+      break;
+    }
+  }
+  taosMsleep(2000);
+  // conn broken
+  //
+}
 
 TEST_F(TransEnv, multiCliPersistHandleExcept) {
   // conn broken
@@ -458,5 +477,15 @@ TEST_F(TransEnv, queryExcept) {
   // query and conn is broken
 }
 TEST_F(TransEnv, noResp) {
+  SRpcMsg resp = {0};
+  for (int i = 0; i < 5; i++) {
+    SRpcMsg req = {.noResp = 1};
+    req.msgType = 1;
+    req.pCont = rpcMallocCont(10);
+    req.contLen = 10;
+    tr->cliSendAndRecv(&req, &resp);
+  }
+  taosMsleep(2000);
+
   // no resp
 }