control/controlclient: remove prior temporary macos debugging
It was an x/net/http2 bug, since fixed.
"io"
"io/ioutil"
"log"
- "net"
"net/http"
"net/url"
"os"
"strings"
"sync"
"sync/atomic"
- "syscall"
"time"
"github.com/tailscale/wireguard-go/wgcfg"
@@ -576,11 +574,6 @@ func (c *Direct) PollNetMap(ctx context.Context, maxPolls int, cb func(*NetworkM
res, err := c.httpc.Do(req)
if err != nil {
- // Temproary (2020-10-29) issue 839 debugging:
- if runtime.GOOS == "darwin" && (errors.Is(err, syscall.EADDRNOTAVAIL) || strings.Contains(err.Error(), "can't assign requested address")) {
- vlogf = c.logf
- debugAddrNotAvailalable(vlogf)
- }
vlogf("netmap: Do: %v", err)
return err
}
@@ -1058,35 +1051,3 @@ func TrimWGConfig() opt.Bool {
v, _ := controlTrimWGConfig.Load().(opt.Bool)
return v
}
-
-// Temproary (2020-10-29) debugging for https://github.com/tailscale/tailscale/issues/839
-func debugAddrNotAvailalable(logf logger.Logf) {
- logf("EADDRNOTAVAIL-debug: [unexpected] got EADDRNOTAVAIL on " + runtime.GOOS)
- var d net.Dialer
- d.Timeout = 5 * time.Second
-
- var c [2]net.Conn
- var a [2]*net.TCPAddr
- for i := range c {
- var err error
- c[i], err = d.Dial("tcp", "login.tailscale.com:80")
- if err != nil {
- logf("EADDRNOTAVAIL-debug: failed to debug dial tailscale %d/%d: %v", i+1, len(c), err)
- return
- }
- defer c[i].Close()
- a[i] = c[i].LocalAddr().(*net.TCPAddr)
- }
- if a[0].Port == a[1].Port {
- logf("EADDRNOTAVAIL-debug: two trial connections had same source port")
- return
- }
- for i := range c {
- _, err := io.WriteString(c[i], "HEAD / HTTP/1.0\r\n\r\n")
- if err != nil {
- logf("EADDRNOTAVAIL-debug: failed to write on connection %d post-dial: %v", i+1, err)
- return
- }
- }
- logf("EADDRNOTAVAIL-debug: dial+writes normal")
-}
