cloud-game/pkg/com/com.go
2023-10-17 21:39:16 +03:00

106 lines
3.3 KiB
Go

package com
import "github.com/giongto35/cloud-game/v3/pkg/logger"
type NetClient[K comparable] interface {
Disconnect()
Id() K
}
type NetMap[K comparable, T NetClient[K]] struct{ Map[K, T] }
func NewNetMap[K comparable, T NetClient[K]]() NetMap[K, T] {
return NetMap[K, T]{Map: Map[K, T]{m: make(map[K]T, 10)}}
}
func (m *NetMap[K, T]) Add(client T) bool { return m.Put(client.Id(), client) }
func (m *NetMap[K, T]) Empty() bool { return m.Map.Len() == 0 }
func (m *NetMap[K, T]) Remove(client T) { m.Map.Remove(client.Id()) }
func (m *NetMap[K, T]) RemoveL(client T) int { return m.Map.RemoveL(client.Id()) }
func (m *NetMap[K, T]) Reset() { m.Map = Map[K, T]{m: make(map[K]T, 10)} }
func (m *NetMap[K, T]) RemoveDisconnect(client T) { client.Disconnect(); m.Remove(client) }
type SocketClient[T ~uint8, P Packet[T], X any, P2 Packet2[X]] struct {
id Uid
rpc *RPC[T, P]
sock *Connection
log *logger.Logger // a special logger for showing x -> y directions
}
func NewConnection[T ~uint8, P Packet[T], X any, P2 Packet2[X]](conn *Connection, id Uid, log *logger.Logger) *SocketClient[T, P, X, P2] {
if id.IsNil() {
id = NewUid()
}
dir := logger.MarkOut
if conn.IsServer() {
dir = logger.MarkIn
}
dirClLog := log.Extend(log.With().
Str("cid", id.Short()).
Str(logger.DirectionField, dir),
)
dirClLog.Debug().Msg("Connect")
return &SocketClient[T, P, X, P2]{sock: conn, id: id, log: dirClLog}
}
func (c *SocketClient[T, P, _, _]) ProcessPackets(fn func(in P) error) chan struct{} {
c.rpc = NewRPC[T, P]()
c.rpc.Handler = func(p P) {
c.log.Debug().Str(logger.DirectionField, logger.MarkIn).Msgf("%v", p.GetType())
if err := fn(p); err != nil { // 3rd handler
c.log.Error().Err(err).Send()
}
}
c.sock.conn.SetMessageHandler(c.handleMessage) // 1st handler
return c.sock.conn.Listen()
}
func (c *SocketClient[_, _, _, _]) handleMessage(message []byte, err error) {
if err != nil {
c.log.Error().Err(err).Send()
return
}
if err = c.rpc.handleMessage(message); err != nil { // 2nd handler
c.log.Error().Err(err).Send()
return
}
}
func (c *SocketClient[_, P, X, P2]) Route(in P, out P2) {
rq := P2(new(X))
rq.SetId(in.GetId().String())
rq.SetType(uint8(in.GetType()))
rq.SetPayload(out.GetPayload())
if err := c.rpc.Send(c.sock.conn, rq); err != nil {
c.log.Error().Err(err).Msgf("message route fail")
}
}
// Send makes a blocking call.
func (c *SocketClient[T, P, X, P2]) Send(t T, data any) ([]byte, error) {
c.log.Debug().Str(logger.DirectionField, logger.MarkOut).Msgf("ᵇ%v", t)
rq := P2(new(X))
rq.SetType(uint8(t))
rq.SetPayload(data)
return c.rpc.Call(c.sock.conn, rq)
}
// Notify just sends a message and goes further.
func (c *SocketClient[T, P, X, P2]) Notify(t T, data any) {
c.log.Debug().Str(logger.DirectionField, logger.MarkOut).Msgf("%v", t)
rq := P2(new(X))
rq.SetType(uint8(t))
rq.SetPayload(data)
if err := c.rpc.Send(c.sock.conn, rq); err != nil {
c.log.Error().Err(err).Msgf("notify fail")
}
}
func (c *SocketClient[_, _, _, _]) Disconnect() {
c.sock.conn.Close()
c.rpc.Cleanup()
c.log.Debug().Str(logger.DirectionField, logger.MarkCross).Msg("Close")
}
func (c *SocketClient[_, _, _, _]) Id() Uid { return c.id }
func (c *SocketClient[_, _, _, _]) String() string { return c.Id().String() }