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package redis |
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2
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3
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import ( |
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4
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"crypto/tls" |
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5
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"github.com/arazmj/gerdu/cache" |
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6
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log "github.com/sirupsen/logrus" |
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"github.com/tidwall/redcon" |
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"strings" |
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9
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) |
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10
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11
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func Serve(host string, gerdu cache.UnImplementedCache) { |
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12
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go log.Infof("Gerdu started listening Redis at %s", host) |
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err := redcon.ListenAndServe(host, |
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handleCommands(gerdu), |
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15
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handleAccept, |
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handleClose, |
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) |
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if err != nil { |
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log.Fatal(err) |
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} |
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22
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} |
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24
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func handleClose(conn redcon.Conn, err error) { |
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log.Printf("closed: %s, err: %v", conn.RemoteAddr(), err) |
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} |
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func handleAccept(conn redcon.Conn) bool { |
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log.Printf("accept: %s", conn.RemoteAddr()) |
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return true |
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} |
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32
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33
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func ServeTLS(host string, tlsCert, tlsKey string, gerdu cache.UnImplementedCache) { |
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go log.Infof("Gerdu started listening Redis at %s", host) |
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35
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certificate, err := tls.LoadX509KeyPair(tlsCert, tlsKey) |
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36
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err = redcon.ListenAndServeTLS(host, |
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handleCommands(gerdu), |
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func(conn redcon.Conn) bool { |
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log.Printf("accept: %s", conn.RemoteAddr()) |
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return true |
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}, |
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func(conn redcon.Conn, err error) { |
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log.Printf("closed: %s, err: %v", conn.RemoteAddr(), err) |
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}, |
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&tls.Config{Certificates: []tls.Certificate{certificate}}, |
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) |
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48
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49
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if err != nil { |
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log.Fatal(err) |
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} |
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} |
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53
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54
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func handleCommands(gerdu cache.UnImplementedCache) func(conn redcon.Conn, cmd redcon.Command) { |
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return func(conn redcon.Conn, cmd redcon.Command) { |
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switch strings.ToLower(string(cmd.Args[0])) { |
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default: |
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conn.WriteError("ERR unknown command '" + string(cmd.Args[0]) + "'") |
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59
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case "ping": |
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60
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conn.WriteString("PONG") |
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61
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case "quit": |
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conn.WriteString("OK") |
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conn.Close() |
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64
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case "set": |
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if len(cmd.Args) != 3 { |
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conn.WriteError("ERR wrong number of arguments for '" + string(cmd.Args[0]) + "' command") |
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return |
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} |
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gerdu.Put(string(cmd.Args[1]), string(cmd.Args[2])) |
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conn.WriteString("OK") |
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case "get": |
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if len(cmd.Args) != 2 { |
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conn.WriteError("ERR wrong number of arguments for '" + string(cmd.Args[0]) + "' command") |
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return |
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} |
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val, ok := gerdu.Get(string(cmd.Args[1])) |
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if !ok { |
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conn.WriteNull() |
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} else { |
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80
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conn.WriteBulk([]byte(val)) |
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81
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} |
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case "del": |
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83
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if len(cmd.Args) != 2 { |
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conn.WriteError("ERR wrong number of arguments for '" + string(cmd.Args[0]) + "' command") |
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85
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return |
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86
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} |
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87
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ok := gerdu.Delete(string(cmd.Args[1])) |
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88
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if !ok { |
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89
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conn.WriteInt(0) |
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90
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} else { |
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91
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conn.WriteInt(1) |
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92
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} |
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93
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} |
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94
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} |
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95
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} |
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96
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arazmj /
gerdu
