76 lines
1.7 KiB
Go
76 lines
1.7 KiB
Go
package server
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import (
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"encoding/json"
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"github.com/Tnze/go-mc/chat"
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"github.com/Tnze/go-mc/data/packetid"
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"github.com/Tnze/go-mc/net"
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pk "github.com/Tnze/go-mc/net/packet"
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"github.com/google/uuid"
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)
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type ListPingHandler interface {
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Name() string
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Protocol() int
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MaxPlayer() int
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OnlinePlayer() int
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PlayerSamples() []PlayerSample
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Description() *chat.Message
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}
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type PlayerSample struct {
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Name string `json:"name"`
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ID uuid.UUID `json:"id"`
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}
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func (s *Server) acceptListPing(conn *net.Conn) {
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var p pk.Packet
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for i := 0; i < 2; i++ { // Ping or List. Only allow check twice
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err := conn.ReadPacket(&p)
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if err != nil {
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return
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}
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switch p.ID {
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case packetid.StatusResponse: //List
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var resp []byte
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resp, err = s.listResp()
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if err != nil {
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break
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}
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err = conn.WritePacket(pk.Marshal(0x00, pk.String(resp)))
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case packetid.StatusPongResponse: //Ping
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err = conn.WritePacket(p)
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}
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if err != nil {
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return
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}
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}
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}
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func (s *Server) listResp() ([]byte, error) {
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var list struct {
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Version struct {
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Name string `json:"name"`
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Protocol int `json:"protocol"`
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} `json:"version"`
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Players struct {
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Max int `json:"max"`
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Online int `json:"online"`
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Sample []PlayerSample `json:"sample"`
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} `json:"players"`
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Description *chat.Message `json:"description"`
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FavIcon string `json:"favicon,omitempty"`
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}
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list.Version.Name = s.ListPingHandler.Name()
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list.Version.Protocol = s.ListPingHandler.Protocol()
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list.Players.Max = s.ListPingHandler.MaxPlayer()
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list.Players.Online = s.ListPingHandler.OnlinePlayer()
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list.Players.Sample = s.ListPingHandler.PlayerSamples()
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list.Description = s.ListPingHandler.Description()
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return json.Marshal(list)
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}
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