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job: try_again refactoring

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Introduce TryAgain type with C core constants
Make try_again field and method private.
Remove try_again == 2 processing, it was never used.
This commit is contained in:
Alexander Krotov
2019-11-26 18:29:47 +01:00
committed by Floris Bruynooghe
parent e0601bab3d
commit 22a0e3fe9c
1 changed files with 20 additions and 25 deletions
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45
src/job.rs
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@@ -31,6 +31,13 @@ enum Thread {
Smtp = 5000,
}
#[derive(Debug, Display, Copy, Clone, PartialEq, Eq, FromPrimitive, ToPrimitive)]
enum TryAgain {
Dont,
AtOnce,
StandardDelay,
}
impl Default for Thread {
fn default() -> Self {
Thread::Unknown
@@ -102,7 +109,7 @@ pub struct Job {
pub added_timestamp: i64,
pub tries: i32,
pub param: Params,
pub try_again: i32,
try_again: TryAgain,
pub pending_error: Option<String>,
}
@@ -136,7 +143,7 @@ impl Job {
let loginparam = LoginParam::from_database(context, "configured_");
let connected = context.smtp.lock().unwrap().connect(context, &loginparam);
if connected.is_err() {
self.try_again_later(3, None);
self.try_again_later(TryAgain::StandardDelay, None);
return;
}
}
@@ -177,7 +184,7 @@ impl Job {
Err(err) => {
smtp.disconnect();
warn!(context, "smtp failed: {}", err);
self.try_again_later(-1, Some(err.to_string()));
self.try_again_later(TryAgain::AtOnce, Some(err.to_string()));
}
Ok(()) => {
// smtp success, update db ASAP, then delete smtp file
@@ -196,7 +203,7 @@ impl Job {
}
// this value does not increase the number of tries
fn try_again_later(&mut self, try_again: i32, pending_error: Option<String>) {
fn try_again_later(&mut self, try_again: TryAgain, pending_error: Option<String>) {
self.try_again = try_again;
self.pending_error = pending_error;
}
@@ -230,7 +237,7 @@ impl Job {
&mut dest_uid,
) {
ImapActionResult::RetryLater => {
self.try_again_later(3i32, None);
self.try_again_later(TryAgain::StandardDelay, None);
}
ImapActionResult::Success => {
message::update_server_uid(
@@ -266,7 +273,7 @@ impl Job {
let res =
imap_inbox.delete_msg(context, &mid, server_folder, &mut msg.server_uid);
if res == ImapActionResult::RetryLater {
self.try_again_later(-1i32, None);
self.try_again_later(TryAgain::AtOnce, None);
return;
}
}
@@ -299,7 +306,7 @@ impl Job {
let folder = msg.server_folder.as_ref().unwrap();
match imap_inbox.set_seen(context, folder, msg.server_uid) {
ImapActionResult::RetryLater => {
self.try_again_later(3i32, None);
self.try_again_later(TryAgain::StandardDelay, None);
}
ImapActionResult::AlreadyDone => {}
ImapActionResult::Success | ImapActionResult::Failed => {
@@ -329,7 +336,7 @@ impl Job {
let uid = self.param.get_int(Param::ServerUid).unwrap_or_default() as u32;
let imap_inbox = &context.inbox_thread.read().unwrap().imap;
if imap_inbox.set_seen(context, &folder, uid) == ImapActionResult::RetryLater {
self.try_again_later(3i32, None);
self.try_again_later(TryAgain::StandardDelay, None);
return;
}
if 0 != self.param.get_int(Param::AlsoMove).unwrap_or_default() {
@@ -349,7 +356,7 @@ impl Job {
if ImapActionResult::RetryLater
== imap_inbox.mv(context, &folder, uid, &dest_folder, &mut dest_uid)
{
self.try_again_later(3, None);
self.try_again_later(TryAgain::StandardDelay, None);
}
}
}
@@ -742,7 +749,7 @@ fn job_perform(context: &Context, thread: Thread, probe_network: bool) {
added_timestamp: row.get(4)?,
tries: row.get(6)?,
param: row.get::<_, String>(3)?.parse().unwrap_or_default(),
try_again: 0,
try_again: TryAgain::Dont,
pending_error: None,
};
@@ -791,7 +798,7 @@ fn job_perform(context: &Context, thread: Thread, probe_network: bool) {
let mut tries = 0;
while tries <= 1 {
// this can be modified by a job using dc_job_try_again_later()
job.try_again = 0;
job.try_again = TryAgain::Dont;
match job.action {
Action::Unknown => {
@@ -821,7 +828,7 @@ fn job_perform(context: &Context, thread: Thread, probe_network: bool) {
Action::SendMdnOld => {}
Action::SendMsgToSmtpOld => {}
}
if job.try_again != -1 {
if job.try_again != TryAgain::AtOnce {
break;
}
tries += 1
@@ -841,19 +848,7 @@ fn job_perform(context: &Context, thread: Thread, probe_network: bool) {
.unsuspend(context);
suspend_smtp_thread(context, false);
break;
} else if job.try_again == 2 {
// just try over next loop unconditionally, the ui typically interrupts idle when the file (video) is ready
info!(
context,
"{}-job #{} not yet ready and will be delayed.",
if thread == Thread::Imap {
"INBOX"
} else {
"SMTP"
},
job.job_id
);
} else if job.try_again == -1 || job.try_again == 3 {
} else if job.try_again == TryAgain::AtOnce || job.try_again == TryAgain::StandardDelay {
let tries = job.tries + 1;
if tries < 17 {
job.tries = tries;