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Pull request: 5035-netip-maps-clients

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Updates #5035.

Squashed commit of the following:

commit c2d38fe75b8aa2f00b19892724984ed3bb843db5
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Oct 24 16:50:14 2022 +0300

    home: move clients to netip.Addr
This commit is contained in:
Ainar Garipov 2022-10-24 17:49:52 +03:00
parent a272b61ed6
commit cebbb69a4c
5 changed files with 53 additions and 69 deletions
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4
internal/dnsforward/dnsforward.go
View file

@ -706,7 +706,5 @@ func (s *Server) IsBlockedClient(ip net.IP, clientID string) (blocked bool, rule
blocked = true
}
rule = aghalg.Coalesce(rule, clientID)
return blocked, rule
return blocked, aghalg.Coalesce(rule, clientID)
}

67
internal/home/clients.go
View file

@ -5,6 +5,7 @@ import (
"encoding"
"fmt"
"net"
"net/netip"
"sort"
"strings"
"sync"
@ -25,8 +26,6 @@ import (
"golang.org/x/exp/slices"
)
//lint:file-ignore SA1019 TODO(a.garipov): Replace [*netutil.IPMap].
const clientsUpdatePeriod = 10 * time.Minute
var webHandlersRegistered = false
@ -135,9 +134,7 @@ type clientsContainer struct {
idIndex map[string]*Client // ID -> client
// ipToRC is the IP address to *RuntimeClient map.
//
// TODO(e.burkov): Use map[netip.Addr]struct{} instead.
ipToRC *netutil.IPMap
ipToRC map[netip.Addr]*RuntimeClient
lock sync.Mutex
@ -173,7 +170,7 @@ func (clients *clientsContainer) Init(
}
clients.list = make(map[string]*Client)
clients.idIndex = make(map[string]*Client)
clients.ipToRC = netutil.NewIPMap(0)
clients.ipToRC = map[netip.Addr]*RuntimeClient{}
clients.allTags = stringutil.NewSet(clientTags...)
@ -541,20 +538,17 @@ func (clients *clientsContainer) findLocked(id string) (c *Client, ok bool) {
// findRuntimeClientLocked finds a runtime client by their IP address. For
// internal use only.
func (clients *clientsContainer) findRuntimeClientLocked(ip net.IP) (rc *RuntimeClient, ok bool) {
var v any
v, ok = clients.ipToRC.Get(ip)
if !ok {
return nil, false
}
rc, ok = v.(*RuntimeClient)
if !ok {
log.Error("clients: bad type %T in ipToRC for %s", v, ip)
// TODO(a.garipov): Remove once we switch to netip.Addr more fully.
ipAddr, err := netutil.IPToAddrNoMapped(ip)
if err != nil {
log.Error("clients: bad client ip %v: %s", ip, err)
return nil, false
}
return rc, true
rc, ok = clients.ipToRC[ipAddr]
return rc, ok
}
// FindRuntimeClient finds a runtime client by their IP.
@ -782,7 +776,15 @@ func (clients *clientsContainer) SetWHOISInfo(ip net.IP, wi *RuntimeClientWHOISI
rc.WHOISInfo = wi
clients.ipToRC.Set(ip, rc)
// TODO(a.garipov): Remove once we switch to netip.Addr more fully.
ipAddr, err := netutil.IPToAddrNoMapped(ip)
if err != nil {
log.Error("clients: bad client ip %v: %s", ip, err)
return
}
clients.ipToRC[ipAddr] = rc
log.Debug("clients: set whois info for runtime client with ip %s: %+v", ip, wi)
}
@ -813,10 +815,18 @@ func (clients *clientsContainer) addHostLocked(ip net.IP, host string, src clien
WHOISInfo: &RuntimeClientWHOISInfo{},
}
clients.ipToRC.Set(ip, rc)
// TODO(a.garipov): Remove once we switch to netip.Addr more fully.
ipAddr, err := netutil.IPToAddrNoMapped(ip)
if err != nil {
log.Error("clients: bad client ip %v: %s", ip, err)
return false
}
log.Debug("clients: added %s -> %q [%d]", ip, host, clients.ipToRC.Len())
clients.ipToRC[ipAddr] = rc
}
log.Debug("clients: added %s -> %q [%d]", ip, host, len(clients.ipToRC))
return true
}
@ -824,27 +834,20 @@ func (clients *clientsContainer) addHostLocked(ip net.IP, host string, src clien
// rmHostsBySrc removes all entries that match the specified source.
func (clients *clientsContainer) rmHostsBySrc(src clientSource) {
n := 0
clients.ipToRC.Range(func(ip net.IP, v any) (cont bool) {
rc, ok := v.(*RuntimeClient)
if !ok {
log.Error("clients: bad type %T in ipToRC for %s", v, ip)
return true
}
for ip, rc := range clients.ipToRC {
if rc.Source == src {
clients.ipToRC.Del(ip)
delete(clients.ipToRC, ip)
n++
}
return true
})
}
log.Debug("clients: removed %d client aliases", n)
}
// addFromHostsFile fills the client-hostname pairing index from the system's
// hosts files.
//
//lint:ignore SA1019 TODO(a.garipov): Replace [*netutil.IPMap].
func (clients *clientsContainer) addFromHostsFile(hosts *netutil.IPMap) {
clients.lock.Lock()
defer clients.lock.Unlock()
@ -855,7 +858,7 @@ func (clients *clientsContainer) addFromHostsFile(hosts *netutil.IPMap) {
hosts.Range(func(ip net.IP, v any) (cont bool) {
rec, ok := v.(*aghnet.HostsRecord)
if !ok {
log.Error("dns: bad type %T in ipToRC for %s", v, ip)
log.Error("clients: bad type %T in hosts for %s", v, ip)
return true
}

30
internal/home/clients_test.go
View file

@ -202,38 +202,30 @@ func TestClientsWHOIS(t *testing.T) {
}
t.Run("new_client", func(t *testing.T) {
ip := net.IP{1, 1, 1, 255}
clients.SetWHOISInfo(ip, whois)
v, _ := clients.ipToRC.Get(ip)
require.NotNil(t, v)
rc, ok := v.(*RuntimeClient)
require.True(t, ok)
ip := netip.MustParseAddr("1.1.1.255")
clients.SetWHOISInfo(ip.AsSlice(), whois)
rc := clients.ipToRC[ip]
require.NotNil(t, rc)
assert.Equal(t, rc.WHOISInfo, whois)
})
t.Run("existing_auto-client", func(t *testing.T) {
ip := net.IP{1, 1, 1, 1}
ok, err := clients.AddHost(ip, "host", ClientSourceRDNS)
ip := netip.MustParseAddr("1.1.1.1")
ok, err := clients.AddHost(ip.AsSlice(), "host", ClientSourceRDNS)
require.NoError(t, err)
assert.True(t, ok)
clients.SetWHOISInfo(ip, whois)
v, _ := clients.ipToRC.Get(ip)
require.NotNil(t, v)
rc, ok := v.(*RuntimeClient)
require.True(t, ok)
clients.SetWHOISInfo(ip.AsSlice(), whois)
rc := clients.ipToRC[ip]
require.NotNil(t, rc)
assert.Equal(t, rc.WHOISInfo, whois)
})
t.Run("can't_set_manually-added", func(t *testing.T) {
ip := net.IP{1, 1, 1, 2}
ip := netip.MustParseAddr("1.1.1.2")
ok, err := clients.Add(&Client{
IDs: []string{"1.1.1.2"},
@ -242,9 +234,9 @@ func TestClientsWHOIS(t *testing.T) {
require.NoError(t, err)
assert.True(t, ok)
clients.SetWHOISInfo(ip, whois)
v, _ := clients.ipToRC.Get(ip)
require.Nil(t, v)
clients.SetWHOISInfo(ip.AsSlice(), whois)
rc := clients.ipToRC[ip]
require.Nil(t, rc)
assert.True(t, clients.Del("client1"))
})

16
internal/home/clientshttp.go
View file

@ -7,7 +7,6 @@ import (
"net/http"
"github.com/AdguardTeam/AdGuardHome/internal/aghhttp"
"github.com/AdguardTeam/golibs/log"
)
// clientJSON is a common structure used by several handlers to deal with
@ -70,26 +69,17 @@ func (clients *clientsContainer) handleGetClients(w http.ResponseWriter, r *http
data.Clients = append(data.Clients, cj)
}
clients.ipToRC.Range(func(ip net.IP, v any) (cont bool) {
rc, ok := v.(*RuntimeClient)
if !ok {
log.Error("dns: bad type %T in ipToRC for %s", v, ip)
return true
}
for ip, rc := range clients.ipToRC {
cj := runtimeClientJSON{
WHOISInfo: rc.WHOISInfo,
Name: rc.Host,
Source: rc.Source,
IP: ip,
IP: ip.AsSlice(),
}
data.RuntimeClients = append(data.RuntimeClients, cj)
return true
})
}
data.Tags = clientTags

5
internal/home/rdns_test.go
View file

@ -5,6 +5,7 @@ import (
"encoding/binary"
"fmt"
"net"
"net/netip"
"sync"
"testing"
"time"
@ -88,7 +89,7 @@ func TestRDNS_Begin(t *testing.T) {
clients: &clientsContainer{
list: map[string]*Client{},
idIndex: tc.cliIDIndex,
ipToRC: netutil.NewIPMap(0),
ipToRC: map[netip.Addr]*RuntimeClient{},
allTags: stringutil.NewSet(),
},
}
@ -228,7 +229,7 @@ func TestRDNS_WorkerLoop(t *testing.T) {
cc := &clientsContainer{
list: map[string]*Client{},
idIndex: map[string]*Client{},
ipToRC: netutil.NewIPMap(0),
ipToRC: map[netip.Addr]*RuntimeClient{},
allTags: stringutil.NewSet(),
}
ch := make(chan net.IP)