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v2fly/app/log/command/command.go
Jebbs 2523d77919
improve commands
(rebased from ebbf31f07e)
2021-09-04 11:11:45 +01:00

83 lines
2.0 KiB
Go

package command
//go:generate go run github.com/v2fly/v2ray-core/v4/common/errors/errorgen
import (
"context"
"time"
grpc "google.golang.org/grpc"
core "github.com/v2fly/v2ray-core/v4"
"github.com/v2fly/v2ray-core/v4/app/log"
"github.com/v2fly/v2ray-core/v4/common"
cmlog "github.com/v2fly/v2ray-core/v4/common/log"
)
// LoggerServer is the implemention of LoggerService
type LoggerServer struct {
V *core.Instance
}
// RestartLogger implements LoggerService.
func (s *LoggerServer) RestartLogger(ctx context.Context, request *RestartLoggerRequest) (*RestartLoggerResponse, error) {
logger := s.V.GetFeature((*log.Instance)(nil))
if logger == nil {
return nil, newError("unable to get logger instance")
}
if err := logger.Close(); err != nil {
return nil, newError("failed to close logger").Base(err)
}
if err := logger.Start(); err != nil {
return nil, newError("failed to start logger").Base(err)
}
return &RestartLoggerResponse{}, nil
}
// FollowLog implements LoggerService.
func (s *LoggerServer) FollowLog(_ *FollowLogRequest, stream LoggerService_FollowLogServer) error {
logger := s.V.GetFeature((*log.Instance)(nil))
if logger == nil {
return newError("unable to get logger instance")
}
follower, ok := logger.(cmlog.Follower)
if !ok {
return newError("logger not support following")
}
var err error
f := func(msg cmlog.Message) {
err = stream.Send(&FollowLogResponse{
Message: msg.String(),
})
}
follower.AddFollower(f)
defer follower.RemoveFollower(f)
ticker := time.NewTicker(time.Second)
for {
<-ticker.C
if err != nil {
ticker.Stop()
return nil
}
}
}
func (s *LoggerServer) mustEmbedUnimplementedLoggerServiceServer() {}
type service struct {
v *core.Instance
}
func (s *service) Register(server *grpc.Server) {
RegisterLoggerServiceServer(server, &LoggerServer{
V: s.v,
})
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, cfg interface{}) (interface{}, error) {
s := core.MustFromContext(ctx)
return &service{v: s}, nil
}))
}