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downstream: atomically ack/nak capabilities

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This commit is contained in:
Simon Ser 2022-03-14 19:30:29 +01:00
parent 6e094b1099
commit 35b09f069c
1 changed files with 9 additions and 2 deletions
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9
downstream.go
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@ -875,9 +875,9 @@ func (dc *downstreamConn) handleCapCommand(cmd string, args []string) error {
}} }}
} }
// TODO: atomically ack/nak the whole capability set
caps := strings.Fields(args[0]) caps := strings.Fields(args[0])
ack := true ack := true
m := make(map[string]bool, len(caps))
for _, name := range caps { for _, name := range caps {
name = strings.ToLower(name) name = strings.ToLower(name)
enable := !strings.HasPrefix(name, "-") enable := !strings.HasPrefix(name, "-")
@ -900,8 +900,15 @@ func (dc *downstreamConn) handleCapCommand(cmd string, args []string) error {
break break
} }
m[name] = enable
}
// Atomically ack the whole capability set
if ack {
for name, enable := range m {
dc.caps.SetEnabled(name, enable) dc.caps.SetEnabled(name, enable)
} }
}
reply := "NAK" reply := "NAK"
if ack { if ack {