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wgengine/magicsock, etc: remove mostly unused WriteTo methods

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Updates #2331
Updates #5162

Change-Id: I8291884425481eeaedde38a54adfd8ed7292a497
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2023-04-15 07:43:30 -07:00
committed by Brad Fitzpatrick
parent 83c41f3697
commit 29f7df9d8f
3 changed files with 19 additions and 23 deletions
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20
wgengine/magicsock/magicsock.go
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@@ -3433,10 +3433,6 @@ func (c *batchingUDPConn) ReadFrom(p []byte) (n int, addr net.Addr, err error) {
return c.pc.ReadFrom(p)
}
func (c *batchingUDPConn) WriteTo(b []byte, addr net.Addr) (n int, err error) {
return c.pc.WriteTo(b, addr)
}
func (c *batchingUDPConn) SetDeadline(t time.Time) error {
return c.pc.SetDeadline(t)
}
@@ -3867,17 +3863,6 @@ func (c *RebindingUDPConn) writeToUDPAddrPortWithInitPconn(pconn nettype.PacketC
}
}
func (c *RebindingUDPConn) WriteTo(b []byte, addr net.Addr) (int, error) {
for {
pconn := *c.pconnAtomic.Load()
n, err := pconn.WriteTo(b, addr)
if err != nil && pconn != c.currentConn() {
continue
}
return n, err
}
}
func (c *RebindingUDPConn) WriteToUDPAddrPort(b []byte, addr netip.AddrPort) (int, error) {
return c.writeToUDPAddrPortWithInitPconn(*c.pconnAtomic.Load(), b, addr)
}
@@ -3904,11 +3889,6 @@ func (c *blockForeverConn) ReadFrom(p []byte) (n int, addr net.Addr, err error)
return 0, nil, net.ErrClosed
}
func (c *blockForeverConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
// Silently drop writes.
return len(p), nil
}
func (c *blockForeverConn) WriteToUDPAddrPort(p []byte, addr netip.AddrPort) (int, error) {
// Silently drop writes.
return len(p), nil