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ab3dc5f8fa
To help reduce the volume of logs during the happy path of flow registration, there will only be one log message reported when a flow is completed. There are additional fields added to all flow log messages: 1. `src`: local address 2. `dst`: origin address 3. `durationMS`: capturing the total duration of the flow in milliseconds Additional logs were added to capture when a flow was migrated or when cloudflared sent off a registration response retry. Closes TUN-8701
47 lines
1.0 KiB
Go
47 lines
1.0 KiB
Go
package ingress
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import (
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"fmt"
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"io"
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"net"
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"net/netip"
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)
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type UDPProxy interface {
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io.ReadWriteCloser
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LocalAddr() net.Addr
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}
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type udpProxy struct {
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*net.UDPConn
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}
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func DialUDP(dstIP net.IP, dstPort uint16) (UDPProxy, error) {
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dstAddr := &net.UDPAddr{
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IP: dstIP,
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Port: int(dstPort),
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}
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// We use nil as local addr to force runtime to find the best suitable local address IP given the destination
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// address as context.
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udpConn, err := net.DialUDP("udp", nil, dstAddr)
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if err != nil {
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return nil, fmt.Errorf("unable to create UDP proxy to origin (%v:%v): %w", dstIP, dstPort, err)
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}
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return &udpProxy{udpConn}, nil
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}
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func DialUDPAddrPort(dest netip.AddrPort) (*net.UDPConn, error) {
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addr := net.UDPAddrFromAddrPort(dest)
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// We use nil as local addr to force runtime to find the best suitable local address IP given the destination
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// address as context.
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udpConn, err := net.DialUDP("udp", nil, addr)
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if err != nil {
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return nil, fmt.Errorf("unable to dial udp to origin %s: %w", dest, err)
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}
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return udpConn, nil
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}
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