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virtio-devices: Report errors from EpollHelperHandler::handle_event

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Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen
2022-08-11 18:30:13 -07:00
committed by Rob Bradford
parent a7f3620564
commit b1752994d5
13 changed files with 502 additions and 330 deletions
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33
virtio-devices/src/vhost_user/mod.rs
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@@ -256,30 +256,39 @@ impl<S: VhostUserMasterReqHandler> VhostUserEpollHandler<S> {
}
impl<S: VhostUserMasterReqHandler> EpollHelperHandler for VhostUserEpollHandler<S> {
fn handle_event(&mut self, helper: &mut EpollHelper, event: &epoll::Event) -> bool {
fn handle_event(
&mut self,
helper: &mut EpollHelper,
event: &epoll::Event,
) -> std::result::Result<(), EpollHelperError> {
let ev_type = event.data as u16;
match ev_type {
HUP_CONNECTION_EVENT => {
if let Err(e) = self.reconnect(helper) {
error!("failed to reconnect vhost-user backend: {:?}", e);
return true;
}
self.reconnect(helper).map_err(|e| {
EpollHelperError::HandleEvent(anyhow!(
"failed to reconnect vhost-user backend: {:?}",
e
))
})?;
}
SLAVE_REQ_EVENT => {
if let Some(slave_req_handler) = self.slave_req_handler.as_mut() {
if let Err(e) = slave_req_handler.handle_request() {
error!("Failed to handle request from vhost-user backend: {:?}", e);
return true;
}
slave_req_handler.handle_request().map_err(|e| {
EpollHelperError::HandleEvent(anyhow!(
"Failed to handle request from vhost-user backend: {:?}",
e
))
})?;
}
}
_ => {
error!("Unknown event for vhost-user thread");
return true;
return Err(EpollHelperError::HandleEvent(anyhow!(
"Unknown event for vhost-user thread"
)));
}
}
false
Ok(())
}
}