github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/nat/mapping/noop.go (about)

     1  /*
     2   * Copyright (C) 2020 The "MysteriumNetwork/node" Authors.
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License as published by
     6   * the Free Software Foundation, either version 3 of the License, or
     7   * (at your option) any later version.
     8   *
     9   * This program is distributed in the hope that it will be useful,
    10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12   * GNU General Public License for more details.
    13   *
    14   * You should have received a copy of the GNU General Public License
    15   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16   */
    17  
    18  package mapping
    19  
    20  import (
    21  	"github.com/mysteriumnetwork/node/eventbus"
    22  	"github.com/mysteriumnetwork/node/nat/event"
    23  	"github.com/rs/zerolog/log"
    24  )
    25  
    26  // NewNoopPortMapper returns noop port mapper instance.
    27  func NewNoopPortMapper(publisher eventbus.Publisher) PortMapper {
    28  	return &noopPortMapper{
    29  		publisher: publisher,
    30  	}
    31  }
    32  
    33  type noopPortMapper struct {
    34  	publisher eventbus.Publisher
    35  }
    36  
    37  func (p *noopPortMapper) Map(id, protocol string, port int, name string) (release func(), ok bool) {
    38  	p.publisher.Publish(event.AppTopicTraversal, event.BuildSuccessfulEvent(id, "noop_mapping"))
    39  	log.Debug().Msgf("Noop port mapping requested: %d", port)
    40  
    41  	return func() {
    42  		log.Debug().Msgf("Noop port mapping released: %d", port)
    43  	}, false
    44  }