| 47 | } |
| 48 | |
| 49 | func mkClient(addr string, connections int) { |
| 50 | epoller, err := MkEpoll() |
| 51 | if err != nil { |
| 52 | panic(err) |
| 53 | } |
| 54 | |
| 55 | var conns []net.Conn |
| 56 | for i := 0; i < connections; i++ { |
| 57 | c, err := net.DialTimeout("tcp", addr, 10*time.Second) |
| 58 | if err != nil { |
| 59 | fmt.Println("failed to connect", i, err) |
| 60 | i-- |
| 61 | continue |
| 62 | } |
| 63 | if err := epoller.Add(c); err != nil { |
| 64 | log.Printf("failed to add connection %v", err) |
| 65 | c.Close() |
| 66 | } |
| 67 | conns = append(conns, c) |
| 68 | } |
| 69 | |
| 70 | log.Printf("完成初始化 %d 连接", len(conns)) |
| 71 | |
| 72 | go start(epoller) |
| 73 | |
| 74 | tts := time.Second |
| 75 | if *c > 100 { |
| 76 | tts = time.Millisecond * 5 |
| 77 | } |
| 78 | |
| 79 | for i := 0; i < len(conns); i++ { |
| 80 | time.Sleep(tts) |
| 81 | conn := conns[i] |
| 82 | err = binary.Write(conn, binary.BigEndian, time.Now().UnixNano()) |
| 83 | if err != nil { |
| 84 | log.Printf("failed to write timestamp %v", err) |
| 85 | if err := epoller.Remove(conn); err != nil { |
| 86 | if err := epoller.Remove(conn); err != nil { |
| 87 | log.Printf("failed to remove %v", err) |
| 88 | } |
| 89 | } |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | select {} |
| 94 | } |
| 95 | |
| 96 | func start(epoller *epoll) { |
| 97 | var nano int64 |