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| 1 | +// Package cmd contains an entrypoint for running an ion-sfu instance. |
| 2 | +package main |
| 3 | + |
| 4 | +import ( |
| 5 | + "flag" |
| 6 | + "fmt" |
| 7 | + "net" |
| 8 | + "os" |
| 9 | + |
| 10 | + sfu "github.com/pion/ion-sfu/pkg" |
| 11 | + "github.com/pion/ion-sfu/pkg/log" |
| 12 | + "github.com/spf13/viper" |
| 13 | + "google.golang.org/grpc" |
| 14 | + |
| 15 | + pb "github.com/pion/ion-sfu/cmd/signal/grpc/proto" |
| 16 | + "github.com/pion/ion-sfu/cmd/signal/grpc/server" |
| 17 | +) |
| 18 | + |
| 19 | +type grpcConfig struct { |
| 20 | + Port string `mapstructure:"port"` |
| 21 | +} |
| 22 | + |
| 23 | +// Config defines parameters for configuring the sfu instance |
| 24 | +type Config struct { |
| 25 | + sfu.Config `mapstructure:",squash"` |
| 26 | + GRPC grpcConfig `mapstructure:"grpc"` |
| 27 | +} |
| 28 | + |
| 29 | +var ( |
| 30 | + conf = Config{} |
| 31 | + file string |
| 32 | + addr string |
| 33 | +) |
| 34 | + |
| 35 | +const ( |
| 36 | + portRangeLimit = 100 |
| 37 | +) |
| 38 | + |
| 39 | +func showHelp() { |
| 40 | + fmt.Printf("Usage:%s {params}\n", os.Args[0]) |
| 41 | + fmt.Println(" -c {config file}") |
| 42 | + fmt.Println(" -a {listen addr}") |
| 43 | + fmt.Println(" -h (show help info)") |
| 44 | +} |
| 45 | + |
| 46 | +func load() bool { |
| 47 | + _, err := os.Stat(file) |
| 48 | + if err != nil { |
| 49 | + return false |
| 50 | + } |
| 51 | + |
| 52 | + viper.SetConfigFile(file) |
| 53 | + viper.SetConfigType("toml") |
| 54 | + |
| 55 | + err = viper.ReadInConfig() |
| 56 | + if err != nil { |
| 57 | + fmt.Printf("config file %s read failed. %v\n", file, err) |
| 58 | + return false |
| 59 | + } |
| 60 | + err = viper.GetViper().Unmarshal(&conf) |
| 61 | + if err != nil { |
| 62 | + fmt.Printf("sfu config file %s loaded failed. %v\n", file, err) |
| 63 | + return false |
| 64 | + } |
| 65 | + |
| 66 | + if len(conf.WebRTC.ICEPortRange) > 2 { |
| 67 | + fmt.Printf("config file %s loaded failed. range port must be [min,max]\n", file) |
| 68 | + return false |
| 69 | + } |
| 70 | + |
| 71 | + if len(conf.WebRTC.ICEPortRange) != 0 && conf.WebRTC.ICEPortRange[1]-conf.WebRTC.ICEPortRange[0] < portRangeLimit { |
| 72 | + fmt.Printf("config file %s loaded failed. range port must be [min, max] and max - min >= %d\n", file, portRangeLimit) |
| 73 | + return false |
| 74 | + } |
| 75 | + |
| 76 | + fmt.Printf("config %s load ok!\n", file) |
| 77 | + return true |
| 78 | +} |
| 79 | + |
| 80 | +func parse() bool { |
| 81 | + flag.StringVar(&file, "c", "config.toml", "config file") |
| 82 | + flag.StringVar(&addr, "a", ":50051", "address to use") |
| 83 | + help := flag.Bool("h", false, "help info") |
| 84 | + flag.Parse() |
| 85 | + if !load() { |
| 86 | + return false |
| 87 | + } |
| 88 | + |
| 89 | + if *help { |
| 90 | + showHelp() |
| 91 | + return false |
| 92 | + } |
| 93 | + return true |
| 94 | +} |
| 95 | + |
| 96 | +func main() { |
| 97 | + if !parse() { |
| 98 | + showHelp() |
| 99 | + os.Exit(-1) |
| 100 | + } |
| 101 | + |
| 102 | + log.Init(conf.Log.Level, conf.Log.Fix) |
| 103 | + |
| 104 | + log.Infof("--- Starting SFU Node ---") |
| 105 | + lis, err := net.Listen("tcp", addr) |
| 106 | + if err != nil { |
| 107 | + log.Panicf("failed to listen: %v", err) |
| 108 | + } |
| 109 | + log.Infof("SFU Listening at %s", addr) |
| 110 | + s := grpc.NewServer() |
| 111 | + inst := server.GRPCSignal{SFU: sfu.NewSFU(conf.Config)} |
| 112 | + pb.RegisterSFUService(s, &pb.SFUService{ |
| 113 | + Signal: inst.Signal, |
| 114 | + }) |
| 115 | + if err := s.Serve(lis); err != nil { |
| 116 | + log.Panicf("failed to serve: %v", err) |
| 117 | + } |
| 118 | + select {} |
| 119 | +} |
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