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Feature/permanent dns (#967)

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* Add DNS list argument for mobile client

* Write testable code

Many places are checked the wgInterface != nil condition.
It is doing it just because to avoid the real wgInterface creation for tests.
Instead of this involve a wgInterface interface what is moc-able.

* Refactor the DNS server internal code structure

With the fake resolver has been involved several
if-else statement and generated some unused
variables to distinguish the listener and fake
resolver solutions at running time. With this
commit the fake resolver and listener based
solution has been moved into two separated
structure. Name of this layer is the 'service'.
With this modification the unit test looks
simpler and open the option to add new logic for
the permanent DNS service usage for mobile
systems.



* Remove is running check in test

We can not ensure the state well so remove this
check. The test will fail if the server is not
running well.
This commit is contained in:
Zoltan Papp
2023-07-14 21:56:22 +02:00
committed by GitHub
parent 9c2c0e7934
commit 7ebe58f20a
30 changed files with 925 additions and 366 deletions
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23
client/android/client.go
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@@ -7,6 +7,7 @@ import (
log "github.com/sirupsen/logrus"
"github.com/netbirdio/netbird/client/internal"
"github.com/netbirdio/netbird/client/internal/dns"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/routemanager"
"github.com/netbirdio/netbird/client/internal/stdnet"
@@ -35,6 +36,11 @@ type RouteListener interface {
routemanager.RouteListener
}
// DnsReadyListener export internal dns ReadyListener for mobile
type DnsReadyListener interface {
dns.ReadyListener
}
func init() {
formatter.SetLogcatFormatter(log.StandardLogger())
}
@@ -49,6 +55,7 @@ type Client struct {
ctxCancelLock *sync.Mutex
deviceName string
routeListener routemanager.RouteListener
onHostDnsFn func([]string)
}
// NewClient instantiate a new Client
@@ -65,7 +72,7 @@ func NewClient(cfgFile, deviceName string, tunAdapter TunAdapter, iFaceDiscover
}
// Run start the internal client. It is a blocker function
func (c *Client) Run(urlOpener URLOpener) error {
func (c *Client) Run(urlOpener URLOpener, dns *DNSList, dnsReadyListener DnsReadyListener) error {
cfg, err := internal.UpdateOrCreateConfig(internal.ConfigInput{
ConfigPath: c.cfgFile,
})
@@ -90,7 +97,8 @@ func (c *Client) Run(urlOpener URLOpener) error {
// todo do not throw error in case of cancelled context
ctx = internal.CtxInitState(ctx)
return internal.RunClient(ctx, cfg, c.recorder, c.tunAdapter, c.iFaceDiscover, c.routeListener)
c.onHostDnsFn = func([]string) {}
return internal.RunClientMobile(ctx, cfg, c.recorder, c.tunAdapter, c.iFaceDiscover, c.routeListener, dns.items, dnsReadyListener)
}
// Stop the internal client and free the resources
@@ -126,6 +134,17 @@ func (c *Client) PeersList() *PeerInfoArray {
return &PeerInfoArray{items: peerInfos}
}
// OnUpdatedHostDNS update the DNS servers addresses for root zones
func (c *Client) OnUpdatedHostDNS(list *DNSList) error {
dnsServer, err := dns.GetServerDns()
if err != nil {
return err
}
dnsServer.OnUpdatedHostDNSServer(list.items)
return nil
}
// SetConnectionListener set the network connection listener
func (c *Client) SetConnectionListener(listener ConnectionListener) {
c.recorder.SetConnectionListener(listener)