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Merge pull request #2889 from lht/handle-uevent-remove-actions

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agent: Handle uevent remove actions
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Fupan Li 2021-10-25 19:08:20 +08:00 committed by GitHub
commit 3d0fe433c6
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2 changed files with 9 additions and 0 deletions
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1
src/agent/src/linux_abi.rs
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@ -96,6 +96,7 @@ pub const SYSTEM_DEV_PATH: &str = "/dev";
// Linux UEvent related consts.
pub const U_EVENT_ACTION: &str = "ACTION";
pub const U_EVENT_ACTION_ADD: &str = "add";
pub const U_EVENT_ACTION_REMOVE: &str = "remove";
pub const U_EVENT_DEV_PATH: &str = "DEVPATH";
pub const U_EVENT_SUB_SYSTEM: &str = "SUBSYSTEM";
pub const U_EVENT_SEQ_NUM: &str = "SEQNUM";

8
src/agent/src/uevent.rs
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@ -97,10 +97,18 @@ impl Uevent {
})
}
#[instrument]
async fn process_remove(&self, logger: &Logger, sandbox: &Arc<Mutex<Sandbox>>) {
let mut sb = sandbox.lock().await;
sb.uevent_map.remove(&self.devpath);
}
#[instrument]
async fn process(&self, logger: &Logger, sandbox: &Arc<Mutex<Sandbox>>) {
if self.action == U_EVENT_ACTION_ADD {
return self.process_add(logger, sandbox).await;
} else if self.action == U_EVENT_ACTION_REMOVE {
return self.process_remove(logger, sandbox).await;
}
debug!(*logger, "ignoring event"; "uevent" => format!("{:?}", self));
}