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tcp.go
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tcp.go
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package tcp
import (
"fmt"
"io/ioutil"
"net"
v2net "github.com/v2ray/v2ray-core/common/net"
)
type Server struct {
Port uint16
MsgProcessor func(msg []byte) []byte
}
func (server *Server) Start() (v2net.Address, error) {
listener, err := net.ListenTCP("tcp", &net.TCPAddr{
IP: []byte{0, 0, 0, 0},
Port: int(server.Port),
Zone: "",
})
if err != nil {
return nil, err
}
go server.acceptConnections(listener)
localAddr := listener.Addr().(*net.TCPAddr)
return v2net.IPAddress(localAddr.IP, uint16(localAddr.Port)), nil
}
func (server *Server) acceptConnections(listener *net.TCPListener) {
for {
conn, err := listener.Accept()
if err != nil {
fmt.Printf("Failed accept TCP connection: %v", err)
continue
}
go server.handleConnection(conn)
}
}
func (server *Server) handleConnection(conn net.Conn) {
request, err := ioutil.ReadAll(conn)
if err != nil {
fmt.Printf("Failed to read request: %v", err)
return
}
response := server.MsgProcessor(request)
conn.Write(response)
conn.Close()
}