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add gvisor based service library (#965)

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* add service/ library
This commit is contained in:
Tristan Rice
2023-11-21 08:50:18 -08:00
committed by GitHub
parent fe16ea566d
commit 1083279a45
13 changed files with 812 additions and 147 deletions
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10
main.go
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@@ -18,7 +18,7 @@ import (
type m map[string]interface{}
func Main(c *config.C, configTest bool, buildVersion string, logger *logrus.Logger, tunFd *int) (retcon *Control, reterr error) {
func Main(c *config.C, configTest bool, buildVersion string, logger *logrus.Logger, deviceFactory overlay.DeviceFactory) (retcon *Control, reterr error) {
ctx, cancel := context.WithCancel(context.Background())
// Automatically cancel the context if Main returns an error, to signal all created goroutines to quit.
defer func() {
@@ -128,7 +128,11 @@ func Main(c *config.C, configTest bool, buildVersion string, logger *logrus.Logg
if !configTest {
c.CatchHUP(ctx)
tun, err = overlay.NewDeviceFromConfig(c, l, tunCidr, tunFd, routines)
if deviceFactory == nil {
deviceFactory = overlay.NewDeviceFromConfig
}
tun, err = deviceFactory(c, l, tunCidr, routines)
if err != nil {
return nil, util.ContextualizeIfNeeded("Failed to get a tun/tap device", err)
}
@@ -159,6 +163,7 @@ func Main(c *config.C, configTest bool, buildVersion string, logger *logrus.Logg
}
for i := 0; i < routines; i++ {
l.Infof("listening %q %d", listenHost.IP, port)
udpServer, err := udp.NewListener(l, listenHost.IP, port, routines > 1, c.GetInt("listen.batch", 64))
if err != nil {
return nil, util.NewContextualError("Failed to open udp listener", m{"queue": i}, err)
@@ -335,6 +340,7 @@ func Main(c *config.C, configTest bool, buildVersion string, logger *logrus.Logg
return &Control{
ifce,
l,
ctx,
cancel,
sshStart,
statsStart,