cloudflared-mirror/cmd/cloudflared/app_forward_service.go

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package main
import (
"github.com/cloudflare/cloudflared/cmd/cloudflared/access"
"github.com/cloudflare/cloudflared/cmd/cloudflared/config"
"github.com/cloudflare/cloudflared/logger"
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)
// ForwardServiceType is used to identify what kind of overwatch service this is
const ForwardServiceType = "forward"
// ForwarderService is used to wrap the access package websocket forwarders
// into a service model for the overwatch package.
// it also holds a reference to the config object that represents its state
type ForwarderService struct {
forwarder config.Forwarder
shutdown chan struct{}
logger logger.Service
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}
// NewForwardService creates a new forwarder service
func NewForwardService(f config.Forwarder, logger logger.Service) *ForwarderService {
return &ForwarderService{forwarder: f, shutdown: make(chan struct{}, 1), logger: logger}
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}
// Name is used to figure out this service is related to the others (normally the addr it binds to)
// e.g. localhost:78641 or 127.0.0.1:2222 since this is a websocket forwarder
func (s *ForwarderService) Name() string {
return s.forwarder.Listener
}
// Type is used to identify what kind of overwatch service this is
func (s *ForwarderService) Type() string {
return ForwardServiceType
}
// Hash is used to figure out if this forwarder is the unchanged or not from the config file updates
func (s *ForwarderService) Hash() string {
return s.forwarder.Hash()
}
// Shutdown stops the websocket listener
func (s *ForwarderService) Shutdown() {
s.shutdown <- struct{}{}
}
// Run is the run loop that is started by the overwatch service
func (s *ForwarderService) Run() error {
return access.StartForwarder(s.forwarder, s.shutdown, s.logger)
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}