tree b0dd4b98c5dabb1326befca0d2275026ff816e40
parent 2dec496f8092d2c5dea60b51d9057b0ebddfa66b
author Jonas Oreland <jonaso@webrtc.org> 1574957287 +0100
committer Commit Bot <commit-bot@chromium.org> 1574960250 +0000

Add new Stun utility functions

This patch introduces 3 new functions on StunMessages
- Clone, copy a message
- IsStunMethod, verifies that a buffer is a StunMessage
  w/o requring a fingerprint
- EqualAttributes, compare attributes in two stun messages
  (with filter)

This methods will be used to implement GOOG_PING

BUG=webrtc:11100

Change-Id: I284726c74aa0437be0bb9fbcf943c7d64a18acec
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/160281
Commit-Queue: Jonas Oreland <jonaso@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29950}