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Pull request 2210: AG-32341-client-duplicate-uids

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Squashed commit of the following:

commit 6f83ec8a4f0dfb2360912116a48d35d1f7df7f66
Merge: 2fea9c06a 2383ab57c
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Fri Apr 26 19:23:15 2024 +0300

    Merge branch 'master' into AG-32341-client-duplicate-uids

commit 2fea9c06af9a0b349e612620292bc629f514fead
Merge: 672a30ce4 b9d5e5ba0
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Fri Apr 26 14:00:49 2024 +0300

    Merge branch 'master' into AG-32341-client-duplicate-uids

commit 672a30ce402f51819d741ea92ec5283eea4e6813
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Fri Apr 26 13:59:59 2024 +0300

    all: upd chlog

commit 7c2b26e3ece123d67d0377f816003600408b5e94
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Apr 24 21:08:47 2024 +0300

    all: imp chlog

commit fcca9afe0cdb3d23e6fc653dd334161cbc6d832a
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Apr 24 18:56:34 2024 +0300

    all: fix client duplicate uids
This commit is contained in:
Stanislav Chzhen
2024-04-26 19:30:24 +03:00
parent 2383ab57c6
commit c05bce7a3f
3 changed files with 28 additions and 3 deletions
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15
internal/client/index.go
View File

@@ -6,6 +6,7 @@ import (
"net/netip"
"github.com/AdguardTeam/AdGuardHome/internal/aghalg"
"github.com/AdguardTeam/golibs/errors"
)
// macKey contains MAC as byte array of 6, 8, or 20 bytes.
@@ -82,15 +83,25 @@ func (ci *Index) Add(c *Persistent) {
ci.uidToClient[c.UID] = c
}
// ErrDuplicateUID is an error returned by [Index.Clashes] when adding a
// persistent client with a UID that already exists in an index.
const ErrDuplicateUID errors.Error = "duplicate uid"
// Clashes returns an error if the index contains a different persistent client
// with at least a single identifier contained by c. c must be non-nil.
func (ci *Index) Clashes(c *Persistent) (err error) {
_, ok := ci.uidToClient[c.UID]
if ok {
return ErrDuplicateUID
}
for _, id := range c.ClientIDs {
existing, ok := ci.clientIDToUID[id]
var existing UID
existing, ok = ci.clientIDToUID[id]
if ok && existing != c.UID {
p := ci.uidToClient[existing]
return fmt.Errorf("another client %q uses the same ID %q", p.Name, id)
return fmt.Errorf("another client %q uses the same ClientID %q", p.Name, id)
}
}