Infrastructure/caddy
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caddy: Support SetReadBuffer and SyscallConn for QUIC (fix #3998)

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Supersedes #3999
This commit is contained in:
Matthew Holt 2021-02-16 13:55:49 -07:00
parent fbd00e4b53
commit ec3ac840cf
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1 changed files with 27 additions and 0 deletions
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27
listeners.go
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@ -22,6 +22,7 @@ import (
"strings"
"sync"
"sync/atomic"
"syscall"
"time"
)
@ -230,6 +231,24 @@ func (fcpc *fakeClosePacketConn) Close() error {
return nil
}
// Supports QUIC implementation: https://github.com/caddyserver/caddy/issues/3998
func (fcpc fakeClosePacketConn) SetReadBuffer(bytes int) error {
if conn, ok := fcpc.PacketConn.(interface{ SetReadBuffer(int) error }); ok {
return conn.SetReadBuffer(bytes)
}
return fmt.Errorf("SetReadBuffer() not implemented for %T", fcpc.PacketConn)
}
// Supports QUIC implementation: https://github.com/caddyserver/caddy/issues/3998
func (fcpc fakeClosePacketConn) SyscallConn() (syscall.RawConn, error) {
if conn, ok := fcpc.PacketConn.(interface {
SyscallConn() (syscall.RawConn, error)
}); ok {
return conn.SyscallConn()
}
return nil, fmt.Errorf("SyscallConn() not implemented for %T", fcpc.PacketConn)
}
// ErrFakeClosed is the underlying error value returned by
// fakeCloseListener.Accept() after Close() has been called,
// indicating that it is pretending to be closed so that the
@ -432,3 +451,11 @@ var (
)
const maxPortSpan = 65535
// Interface guards (see https://github.com/caddyserver/caddy/issues/3998)
var (
_ (interface{ SetReadBuffer(int) error }) = (*fakeClosePacketConn)(nil)
_ (interface {
SyscallConn() (syscall.RawConn, error)
}) = (*fakeClosePacketConn)(nil)
)