Communicating with Daemon

[Ryan Borzello]

Hi Tast,

Is there a pre existing/preferred way of communicating with a client Daemon from the tast test. In this case I want the daemon (secagentd) to give a "ready for testing" signal that the tast test will wait/be signalled for before starting the test itself. So far the options I considered is creating a dbus signal or creating a file for the tast test to read.

Any feedback or other suggestions appreciated!

Ryan

[Chris Mullins]

Can you re-use the secagentddbusmonitor package[1] or secagentdupstart[2]?

If not, maybe you could read stdout from the secagentd process and look for a certain message like what's done in the ReadyWriter [3] daemon utility.

[1] https://source.chromium.org/chromiumos/chromiumos/codesearch/+/main:src/platform/tast-tests/src/go.chromium.org/tast-tests/cros/local/bundles/cros/secagentd/secagentddbusmonitor/dbusmonitor.go

[2] https://source.chromium.org/chromiumos/chromiumos/codesearch/+/main:src/platform/tast-tests/src/go.chromium.org/tast-tests/cros/local/bundles/cros/secagentd/secagentdupstart/upstart.go

[3] https://source.chromium.org/chromiumos/chromiumos/codesearch/+/main:src/platform/tast-tests/src/go.chromium.org/tast-tests/cros/common/network/daemonutil/ready_writer.go

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[Ryan Borzello]

Client secagentd is not set up to send dbus messages at the moment. The ready_writer looks like it could work though. I was mainly just wondering if there was an in place/expected way to do this but it does not seem like it. I'll just see which one is the easiest.

Thank you for your suggestion.