Tom Bergan 19619c21c3 net, net/http: don't trace DNS dials ... This fixes change https://go-review.googlesource.com/#/c/23069/, which assumes all DNS requests are UDP. This is not true -- DNS requests can be TCP in some cases. See: https://tip.golang.org/src/net/dnsclient_unix.go#L154 https://en.wikipedia.org/wiki/Domain_Name_System#Protocol_transport Also, the test code added by the above change doesn't actually test anything because the test uses a faked DNS resolver that doesn't actually make any DNS queries. I fixed that by adding another test that uses the system DNS resolver. Updates #12580 Change-Id: I6c24c03ebab84d437d3ac610fd6eb5353753c490 Reviewed-on: https://go-review.googlesource.com/23101 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>		2016-05-14 00:14:25 +00:00
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nettrace.go	net, net/http: don't trace DNS dials	2016-05-14 00:14:25 +00:00