github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/core/discovery/brokerdiscovery/registry.go (about)

     1  /*
     2   * Copyright (C) 2019 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 brokerdiscovery
    19  
    20  import (
    21  	"github.com/mysteriumnetwork/node/communication"
    22  	"github.com/mysteriumnetwork/node/communication/nats"
    23  	"github.com/mysteriumnetwork/node/identity"
    24  	"github.com/mysteriumnetwork/node/market"
    25  )
    26  
    27  type registryBroker struct {
    28  	sender communication.Sender
    29  }
    30  
    31  // NewRegistry create an instance of Broker registryBroker
    32  func NewRegistry(connection nats.Connection) *registryBroker {
    33  	return &registryBroker{
    34  		sender: nats.NewSender(connection, communication.NewCodecJSON()),
    35  	}
    36  }
    37  
    38  // RegisterProposal registers service proposal to discovery service
    39  func (rb *registryBroker) RegisterProposal(proposal market.ServiceProposal, signer identity.Signer) error {
    40  	message := &registerMessage{Proposal: proposal}
    41  	return rb.sender.Send(&registerProducer{message: message, signer: signer})
    42  }
    43  
    44  // UnregisterProposal unregisters a service proposal when client disconnects
    45  func (rb *registryBroker) UnregisterProposal(proposal market.ServiceProposal, signer identity.Signer) error {
    46  	message := &unregisterMessage{Proposal: proposal}
    47  	return rb.sender.Send(&unregisterProducer{message: message, signer: signer})
    48  }
    49  
    50  // PingProposal pings service proposal as being alive
    51  func (rb *registryBroker) PingProposal(proposal market.ServiceProposal, signer identity.Signer) error {
    52  	message := &pingMessage{Proposal: proposal}
    53  	return rb.sender.Send(&pingProducer{message: message, signer: signer})
    54  }