tree 87575a9d9251e2dd5d251ca09e96315af085117e
parent d12ae88c1199d8f94573114080d05e493d4ae171
author Wyatt Hepler <hepler@google.com> 1675207021 +0000
committer CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com> 1675207021 +0000

pw_rpc: Prevent starting calls with channel ID 0

- Channel ID 0 (Channel::kUnassignedChannelID) cannot be used for calls,
  and any packets with channel ID 0 are already rejected by RPC
  endpoints. Add a PW_CHECK() that crashes if code attempts to start a
  call on channel 0.
- Add a test for invoking a call on an unknown channel. No test is added
  for starting calls on channel 0, since pw_unit_test does not support
  testing that assertions failed.

Change-Id: Idc4a21925694c6300daa507c160fbf6822a93244
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/127036
Pigweed-Auto-Submit: Wyatt Hepler <hepler@google.com>
Reviewed-by: Erik Gilling <konkers@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>