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support unix domain sockets

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This commit is contained in:
Shivaram Lingamneni 2018-02-01 15:53:49 -05:00
parent bec39ee8cb
commit 2a7f055ef3
5 changed files with 91 additions and 40 deletions
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21
irc/utils/net.go
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@ -22,6 +22,9 @@ func IPString(addr net.Addr) string {
// AddrLookupHostname returns the hostname (if possible) or address for the given `net.Addr`.
func AddrLookupHostname(addr net.Addr) string {
if AddrIsUnix(addr) {
return "localhost"
}
return LookupHostname(IPString(addr))
}
@ -30,10 +33,22 @@ func AddrIsLocal(addr net.Addr) bool {
if tcpaddr, ok := addr.(*net.TCPAddr); ok {
return tcpaddr.IP.IsLoopback()
}
if _, ok := addr.(*net.UnixAddr); ok {
return true
_, ok := addr.(*net.UnixAddr)
return ok
}
// AddrToIP returns the IP address for a net.Addr, or nil if it's a unix domain socket.
func AddrToIP(addr net.Addr) net.IP {
if tcpaddr, ok := addr.(*net.TCPAddr); ok {
return tcpaddr.IP
}
return false
return nil
}
// AddrIsUnix returns whether the address is a unix domain socket.
func AddrIsUnix(addr net.Addr) bool {
_, ok := addr.(*net.UnixAddr)
return ok
}
// LookupHostname returns the hostname for `addr` if it has one. Otherwise, just returns `addr`.