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gotd: add time synchronization

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This commit is contained in:
Tulir Asokan
2026-02-26 18:24:48 +02:00
parent 93fe3cb0ea
commit 6af986ded5
15 changed files with 110 additions and 48 deletions
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pkg/gotd/mtproto/handle_bad_msg.go
+15 -4
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@@ -7,11 +7,13 @@ import (
"go.mau.fi/mautrix-telegram/pkg/gotd/bin"
"go.mau.fi/mautrix-telegram/pkg/gotd/mt"
"go.mau.fi/mautrix-telegram/pkg/gotd/proto"
)
type badMessageError struct {
Code int
NewSalt int64
Code int
NewSalt int64
TimeResynced bool
}
const (
@@ -40,7 +42,8 @@ func (c badMessageError) Error() string {
return description
}
func (c *Conn) handleBadMsg(b *bin.Buffer) error {
func (c *Conn) handleBadMsg(msgID int64, b *bin.Buffer) error {
now := c.clock.Now()
id, err := b.PeekID()
if err != nil {
return err
@@ -51,8 +54,16 @@ func (c *Conn) handleBadMsg(b *bin.Buffer) error {
if err := bad.Decode(b); err != nil {
return err
}
var resynced bool
if !c.hasServerTimeOffset() && (bad.ErrorCode == codeMessageIDTooLow || bad.ErrorCode == codeMessageIDTooHigh) {
created := proto.MessageID(msgID).Time()
c.setServerTimeOffset(created.Sub(now))
c.messageID.Reset()
c.updateSalt()
resynced = true
}
c.rpc.NotifyError(bad.BadMsgID, &badMessageError{Code: bad.ErrorCode})
c.rpc.NotifyError(bad.BadMsgID, &badMessageError{Code: bad.ErrorCode, TimeResynced: resynced})
return nil
case mt.BadServerSaltTypeID:
var bad mt.BadServerSalt