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Don't forward duplicate JOIN commands

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Closes: https://todo.sr.ht/~emersion/soju/171
This commit is contained in:
Simon Ser 2021-12-08 18:23:46 +01:00
parent 66aea1b4a2
commit bad8154da8
1 changed files with 13 additions and 7 deletions
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6
downstream.go
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@ -1771,6 +1771,11 @@ func (dc *downstreamConn) handleMessageRegistered(ctx context.Context, msg *irc.
continue continue
} }
// Most servers ignore duplicate JOIN messages. We ignore them here
// because some clients automatically send JOIN messages in bulk
// when reconnecting to the bouncer. We don't want to flood the
// upstream connection with these.
if !uc.channels.Has(upstreamName) {
params := []string{upstreamName} params := []string{upstreamName}
if key != "" { if key != "" {
params = append(params, key) params = append(params, key)
@ -1779,6 +1784,7 @@ func (dc *downstreamConn) handleMessageRegistered(ctx context.Context, msg *irc.
Command: "JOIN", Command: "JOIN",
Params: params, Params: params,
}) })
}
ch := uc.network.channels.Value(upstreamName) ch := uc.network.channels.Value(upstreamName)
if ch != nil { if ch != nil {