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zhanghjster/go-gearman: worker.go; 83 LoC #4346

Open githubvet opened 3 years ago

githubvet commented 3 years ago

Found a possible issue in zhanghjster/go-gearman at worker.go

Below is the message reported by the analyzer for this snippet of code. Beware that the analyzer only reports the first issue it finds, so please do not limit your consideration to the contents of the below message.

range-loop variable s used in defer or goroutine at line 183

Click here to see the code in its original context.

Click here to show the 83 line(s) of Go which triggered the analyzer. ```go for _, s := range w.server { w.noopFlag[s] = make(FlagChan) wg.Add(1) go func(server string) { defer wg.Done() for { w.descJobs() // retrieve next job var req = newRequestToServerWithType(server, PtGrabJobAll) resp, err := w.sender.sendAndWaitResp(req) if err != nil { Log.Printf("send grab req to %s fail, %s", server, err.Error()) return } Log.Printf("send grab request to %s suc", s) switch resp.Type { case PtNoJob: // send pre sleep then Wait for wake up signal var req = newRequestToServerWithType(server, PtPreSleep) peer, err := w.sender.send(req) if err != nil { Log.Printf("send pre sleep packet to %s fail, %s", server, err) return } Log.Printf("job retriever for %s Wait for weekup", server) select { case <-w.noopFlag[server]: Log.Printf("job retriever for %s weekup", server) case <-peer.Closed(): Log.Printf("job retriever for %s err. ", err.Error()) } case PtJobAssign, PtJobAssignUnique, PtJobAssignAll: go func(resp *Response) { defer w.descJobs() var job = &Job{w: w, resp: resp} funcName, _ := job.resp.GetFuncName() handle, ok := w.jobHandles[funcName] if !ok { Log.Printf("no worker handle found for job %s", funcName) return } handleId, err := job.resp.GetHandle() if err != nil { log.Printf("get job handle err, %s", err) return } // handle the job data, err := handle(job) var req = newRequestTo(server) // set req type if err != nil { req.SetType(PtWorkFail) } else { req.SetType(PtWorkComplete) req.SetData(data) } if err = req.SetHandle(handleId); err != nil { log.Printf("req set handle err, %s", err.Error()) return } if _, err := w.sender.send(req); err != nil { Log.Printf("send job result request %d err, %s", req.Type, err.Error()) } }(resp) } } }(s) } ```

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commit ID: 6461511c2f8fec3914300e59561ea4e6f6894906