tree 808e3c9e5411ca12d914470f31a78f03d5a7dfc8
parent 13fca9da9190a0f484f437d4e81cb22189b6b164
author Alex Vakulenko <avakulenko@chromium.org> 1421422843 -0800
committer ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> 1421456410 +0000

libchromeos: Add request ID to async http I/O methods/callbacks

Methods to start an asynchronous I/O operation now return
a request ID which can be used to cancel the request by calling
Transport::CancelRequest(request_id).

Also, the request ID is now passed as a parameter to success and
error callback, so they can distunguish between different responses
queued simultaneously.

The actual implementation of generating valid request IDs and
canceling the request will come in a follow-up CL which implements
the actual real asynchronous I/O using CURL's multi-interface.

BUG=chromium:427963
TEST=FEATURES=test emerge-link libchromeos buffet

Change-Id: I40fdaf430c59bcfdf985382e846f1492be143951
Reviewed-on: https://chromium-review.googlesource.com/241183
Tested-by: Alex Vakulenko <avakulenko@chromium.org>
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Commit-Queue: Alex Vakulenko <avakulenko@chromium.org>