diff options
Diffstat (limited to 'libgo/go/net/tcpsock.go')
| -rw-r--r-- | libgo/go/net/tcpsock.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libgo/go/net/tcpsock.go b/libgo/go/net/tcpsock.go index 19a90143..6bad0e8 100644 --- a/libgo/go/net/tcpsock.go +++ b/libgo/go/net/tcpsock.go @@ -8,6 +8,7 @@ import ( "context" "internal/itoa" "io" + "net/netip" "os" "syscall" "time" @@ -23,6 +24,20 @@ type TCPAddr struct { Zone string // IPv6 scoped addressing zone } +// AddrPort returns the TCPAddr a as a netip.AddrPort. +// +// If a.Port does not fit in a uint16, it's silently truncated. +// +// If a is nil, a zero value is returned. +func (a *TCPAddr) AddrPort() netip.AddrPort { + if a == nil { + return netip.AddrPort{} + } + na, _ := netip.AddrFromSlice(a.IP) + na = na.WithZone(a.Zone) + return netip.AddrPortFrom(na, uint16(a.Port)) +} + // Network returns the address's network name, "tcp". func (a *TCPAddr) Network() string { return "tcp" } @@ -81,6 +96,17 @@ func ResolveTCPAddr(network, address string) (*TCPAddr, error) { return addrs.forResolve(network, address).(*TCPAddr), nil } +// TCPAddrFromAddrPort returns addr as a TCPAddr. If addr.IsValid() is false, +// then the returned TCPAddr will contain a nil IP field, indicating an +// address family-agnostic unspecified address. +func TCPAddrFromAddrPort(addr netip.AddrPort) *TCPAddr { + return &TCPAddr{ + IP: addr.Addr().AsSlice(), + Zone: addr.Addr().Zone(), + Port: int(addr.Port()), + } +} + // TCPConn is an implementation of the Conn interface for TCP network // connections. type TCPConn struct { |