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introduce a trigger_reconnect helper

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holger krekel
2019-11-17 23:04:27 +01:00
parent 2ebb43b613
commit e13ce3140b
1 changed files with 23 additions and 8 deletions
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31
src/imap.rs
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@@ -132,6 +132,10 @@ impl Imap {
self.should_reconnect.load(Ordering::Relaxed)
}
fn trigger_reconnect(&self) {
self.should_reconnect.store(true, Ordering::Relaxed)
}
fn setup_handle_if_needed(&self, context: &Context) -> bool {
task::block_on(async move {
if self.config.read().await.imap_server.is_empty() {
@@ -140,10 +144,8 @@ impl Imap {
if self.should_reconnect() {
self.unsetup_handle(context).await;
}
if self.is_connected().await {
self.should_reconnect.store(false, Ordering::Relaxed);
} else if self.is_connected().await {
return true;
}
@@ -373,7 +375,8 @@ impl Imap {
pub fn fetch(&self, context: &Context) -> bool {
task::block_on(async move {
if !self.is_connected().await || !context.sql.is_open() {
if !context.sql.is_open() {
// probably shutdown
return false;
}
@@ -462,7 +465,7 @@ impl Imap {
);
self.config.write().await.selected_folder = None;
self.should_reconnect.store(true, Ordering::Relaxed);
self.trigger_reconnect();
return ImapActionResult::Failed;
}
}
@@ -550,7 +553,7 @@ impl Imap {
match session.fetch(set, PREFETCH_FLAGS).await {
Ok(list) => list,
Err(_err) => {
self.should_reconnect.store(true, Ordering::Relaxed);
self.trigger_reconnect();
info!(
context,
"No result returned for folder \"{}\".",
@@ -694,7 +697,7 @@ impl Imap {
match session.uid_fetch(set, BODY_FLAGS).await {
Ok(msgs) => msgs,
Err(err) => {
self.should_reconnect.store(true, Ordering::Relaxed);
self.trigger_reconnect();
warn!(
context,
"Error on fetching message #{} from folder \"{}\"; retry={}; error={}.",
@@ -777,6 +780,10 @@ impl Imap {
let timeout = Duration::from_secs(23 * 60);
if let Some(session) = session {
match session.idle() {
// BEWARE: If you change the Secure branch you
// typically also need to change the Insecure branch.
IdleHandle::Secure(mut handle) => {
if let Err(err) = handle.init().await {
warn!(context, "Failed to establish IDLE connection: {:?}", err);
@@ -801,7 +808,11 @@ impl Imap {
*self.session.lock().await = Some(Session::Secure(session));
}
Err(err) => {
warn!(context, "Failed to close IMAP IDLE connection: {:?}", err);
// if we cannot terminate IDLE it probably
// means that we waited long (with idle_wait)
// but the network went away/changed
self.trigger_reconnect();
warn!(context, "Failed to terminate IMAP IDLE connection: {:?}", err);
}
}
}
@@ -830,6 +841,10 @@ impl Imap {
*self.session.lock().await = Some(Session::Insecure(session));
}
Err(err) => {
// if we cannot terminate IDLE it probably
// means that we waited long (with idle_wait)
// but the network went away/changed
self.trigger_reconnect();
warn!(context, "Failed to close IMAP IDLE connection: {:?}", err);
}
}