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@ -963,7 +963,6 @@ func (c *Conn) LocalPort() uint16 {
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return uint16(laddr.Port)
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}
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var errNoDestinations = errors.New("magicsock: no destinations")
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var errNetworkDown = errors.New("magicsock: network down")
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func (c *Conn) networkDown() bool { return !c.networkUp.Get() }
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@ -973,50 +972,16 @@ func (c *Conn) Send(b []byte, ep conn.Endpoint) error {
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return errNetworkDown
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}
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var as *addrSet
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switch v := ep.(type) {
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default:
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panic(fmt.Sprintf("[unexpected] Endpoint type %T", v))
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case *discoEndpoint:
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return v.send(b)
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case *singleEndpoint:
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addr := (*net.UDPAddr)(v)
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if addr.IP.Equal(derpMagicIP) {
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c.logf("magicsock: [unexpected] DERP BUG: attempting to send packet to DERP address %v", addr)
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return nil
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}
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_, err := c.sendUDPStd(addr, b)
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return err
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return c.sendSingleEndpoint(b, v)
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case *addrSet:
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as = v
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}
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var addrBuf [8]netaddr.IPPort
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dsts, roamAddr := as.appendDests(addrBuf[:0], b)
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if len(dsts) == 0 {
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return errNoDestinations
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}
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var success bool
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var ret error
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for _, addr := range dsts {
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sent, err := c.sendAddr(addr, as.publicKey, b)
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if sent {
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success = true
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} else if ret == nil {
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ret = err
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}
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if err != nil && addr != roamAddr && c.sendLogLimit.Allow() {
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if c.connCtx.Err() == nil { // don't log if we're closed
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c.logf("magicsock: Conn.Send(%v): %v", addr, err)
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}
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}
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}
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if success {
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return nil
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return c.sendAddrSet(b, v)
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}
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return ret
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}
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var errConnClosed = errors.New("Conn closed")
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