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server.go
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server.go
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package rsh
import (
"fmt"
"log"
"net"
"github.com/ibice/go-rsh/pb"
"google.golang.org/grpc"
"google.golang.org/grpc/reflection"
)
// Server is the remote shell server.
type Server struct {
address string
shell string
}
// NewServer creates a new remote shell server.
func NewServer(address string, shell string) *Server {
return &Server{
address: address,
shell: shell,
}
}
// Serve starts the server.
func (s *Server) Serve() error {
l, err := net.Listen("tcp", s.address)
if err != nil {
return fmt.Errorf("listen: %v", err)
}
g := grpc.NewServer()
pb.RegisterRemoteShellServer(g, newRSHServer(s.shell))
reflection.Register(g)
return g.Serve(l)
}
type rshServer struct {
pb.UnimplementedRemoteShellServer
shell string
}
func newRSHServer(shell string) *rshServer {
return &rshServer{shell: shell}
}
func (s *rshServer) Session(stream pb.RemoteShell_SessionServer) error {
log.Println("Opening session")
if err := newSession(stream, s.shell, nil).start(); err != nil {
return fmt.Errorf("session: %v", err)
}
log.Println("Session closed")
return nil
}