87 lines
1.7 KiB
Go
87 lines
1.7 KiB
Go
package peer
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import (
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"encoding/json"
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"flag"
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"fmt"
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"io"
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"log"
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"net/http"
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"os"
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"runtime/debug"
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"vppn/m"
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_ "net/http/pprof"
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)
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func Main() {
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defer func() {
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if r := recover(); r != nil {
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fmt.Println("stacktrace from panic: \n" + string(debug.Stack()))
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}
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}()
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go func() {
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log.Printf("Serving on localhost:6060...")
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log.Println(http.ListenAndServe("localhost:6060", nil))
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}()
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var (
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netName string
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initURL string
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listenIP string
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port int
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)
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flag.StringVar(&netName, "name", "", "[REQUIRED] The network name.")
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flag.StringVar(&initURL, "init-url", "", "Initializes peer from the hub URL.")
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flag.StringVar(&listenIP, "listen-ip", "", "IP address to listen on.")
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flag.IntVar(&port, "port", 0, "Port to listen on.")
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flag.Parse()
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if netName == "" {
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flag.Usage()
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os.Exit(1)
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}
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if initURL != "" {
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mainInit(netName, initURL)
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return
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}
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peer, err := NewPeer(netName, listenIP, uint16(port))
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if err != nil {
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log.Fatalf("Failed to create peer: %v", err)
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}
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peer.Run()
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}
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func mainInit(netName, initURL string) {
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if _, err := loadPeerConfig(netName); err == nil {
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log.Fatalf("Network is already initialized.")
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}
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resp, err := http.Get(initURL)
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if err != nil {
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log.Fatalf("Failed to fetch data from hub: %v", err)
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}
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defer resp.Body.Close()
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data, err := io.ReadAll(resp.Body)
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if err != nil {
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log.Fatalf("Failed to read response body: %v", err)
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}
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peerConfig := m.PeerConfig{}
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if err := json.Unmarshal(data, &peerConfig); err != nil {
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log.Fatalf("Failed to parse configuration: %v", err)
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}
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if err := storePeerConfig(netName, peerConfig); err != nil {
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log.Fatalf("Failed to store configuration: %v", err)
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}
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log.Print("Initialization successful.")
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}
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