-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #1 from massix/tests/integration
refactor: make the flows testable
- Loading branch information
Showing
3 changed files
with
406 additions
and
109 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| package flow | ||
|
|
||
| import ( | ||
| "os" | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/massix/protrans/pkg/nat" | ||
| "github.com/massix/protrans/pkg/transmission" | ||
| "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
||
| func FetchExternalIP(natClient nat.NatClientI, wg *sync.WaitGroup, ipChan chan<- string, done chan os.Signal) { | ||
| running := true | ||
|
|
||
| for running { | ||
| ip, err := nat.GetExternalIP(natClient) | ||
| if err != nil { | ||
| logrus.Warn(err) | ||
| } else { | ||
| logrus.Debugf("Retrieved IP: %s, sending to channel", ip) | ||
| ipChan <- ip | ||
| } | ||
|
|
||
| select { | ||
| case s := <-done: | ||
| logrus.Info("Gracefully stopping gateway detector") | ||
| running = false | ||
| done <- s // Make sure everyone is leaving | ||
| case <-time.After(30 * time.Second): | ||
| logrus.Debug("No signals received in 30 seconds, refreshing IP...") | ||
| } | ||
| } | ||
|
|
||
| wg.Done() | ||
| } | ||
|
|
||
| func MapPorts(natClient nat.NatClientI, portLifetime int, wg *sync.WaitGroup, ipChan <-chan string, portChan chan<- int, done chan os.Signal) { | ||
| running := true | ||
|
|
||
| for running { | ||
| select { | ||
| case ip := <-ipChan: | ||
| var mappedTcpPort int | ||
| var mappedUdpPort int | ||
| var err error | ||
| logrus.Debugf("Mapping port for external IP: %s", ip) | ||
|
|
||
| mappedTcpPort, err = nat.AddPortMapping(natClient, "tcp", portLifetime) | ||
| if err != nil { | ||
| logrus.Errorf("Unable to create port mapping: %s", err) | ||
| continue | ||
| } | ||
|
|
||
| mappedUdpPort, err = nat.AddPortMapping(natClient, "udp", portLifetime) | ||
| if err != nil { | ||
| logrus.Errorf("Unable to create port mapping: %s", err) | ||
| continue | ||
| } | ||
|
|
||
| if mappedTcpPort != mappedUdpPort { | ||
| logrus.Errorf("Ports differ in range: (tcp %d) and (udp %d)", mappedTcpPort, mappedUdpPort) | ||
| continue | ||
| } | ||
|
|
||
| logrus.Debugf("Sending port %d to channel", mappedTcpPort) | ||
| portChan <- mappedTcpPort | ||
| case s := <-done: | ||
| logrus.Info("Gracefully stopping port mapper") | ||
| running = false | ||
| done <- s | ||
| } | ||
| } | ||
|
|
||
| wg.Done() | ||
| } | ||
|
|
||
| func TransmissionArgSetter(transmissionClient transmission.TransmissionClient, wg *sync.WaitGroup, portChan <-chan int, done chan os.Signal) { | ||
| running := true | ||
|
|
||
| for running { | ||
| select { | ||
| case mappedPort := <-portChan: | ||
| if transmission.IsConnected(transmissionClient) { | ||
| logrus.Debug("Transmission is connected") | ||
| if transmission.IsPortOpen(transmissionClient) { | ||
| logrus.Debug("Port is already set in Transmission, nothing to do") | ||
| continue | ||
| } | ||
|
|
||
| if err := transmission.SetPeerPort(transmissionClient, mappedPort); err != nil { | ||
| logrus.Error(err) | ||
| continue | ||
| } | ||
|
|
||
| logrus.Debug("Port set!") | ||
| time.Sleep(3 * time.Second) | ||
|
|
||
| if transmission.IsPortOpen(transmissionClient) { | ||
| logrus.Infof("Successfully set port %d to Transmission and checked network connectivity", mappedPort) | ||
| } else { | ||
| logrus.Warnf("Set port %d to Transmission but was unable to check connectivity (this may be normal, it might take some time before the NAT is recognised)", mappedPort) | ||
| } | ||
| } else { | ||
| logrus.Warnf("Should set port: %d but Transmission is not connected", mappedPort) | ||
| } | ||
| case s := <-done: | ||
| logrus.Info("Gracefully stopping Transmission Client") | ||
| running = false | ||
| done <- s | ||
| } | ||
| } | ||
|
|
||
| wg.Done() | ||
| } |
Oops, something went wrong.