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Simplify control flow in dc_DC_JOB_SEND function

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Replace `ok_to_continue' control flow variables with early return from
function, since there is no longer need to free memory manually.
This commit is contained in:
Dmitry Bogatov
2019-09-04 14:10:00 +00:00
committed by holger krekel
parent 0391aebaeb
commit 98d6bdb48a
1 changed files with 60 additions and 75 deletions
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135
src/job.rs
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@@ -111,8 +111,6 @@ impl Job {
#[allow(non_snake_case)]
fn do_DC_JOB_SEND(&mut self, context: &Context) {
let ok_to_continue;
/* connect to SMTP server, if not yet done */
if !context.smtp.lock().unwrap().is_connected() {
let loginparam = dc_loginparam_read(context, &context.sql, "configured_");
@@ -120,84 +118,71 @@ impl Job {
if !connected {
self.try_again_later(3i32, None);
ok_to_continue = false;
} else {
ok_to_continue = true;
return;
}
} else {
ok_to_continue = true;
}
if ok_to_continue {
if let Some(filename) = self.param.get(Param::File) {
if let Some(body) = dc_read_file_safe(context, filename) {
if let Some(recipients) = self.param.get(Param::Recipients) {
let recipients_list = recipients
.split("\x1e")
.filter_map(|addr| match lettre::EmailAddress::new(addr.to_string()) {
Ok(addr) => Some(addr),
Err(err) => {
eprintln!("WARNING: invalid recipient: {} {:?}", addr, err);
None
}
})
.collect::<Vec<_>>();
/* if there is a msg-id and it does not exist in the db, cancel sending.
this happends if dc_delete_msgs() was called
before the generated mime was sent out */
let ok_to_continue1;
if 0 != self.foreign_id {
if 0 == unsafe { dc_msg_exists(context, self.foreign_id) } {
warn!(
context,
0,
"Message {} for job {} does not exist",
self.foreign_id,
self.job_id,
);
ok_to_continue1 = false;
} else {
ok_to_continue1 = true;
if let Some(filename) = self.param.get(Param::File) {
if let Some(body) = dc_read_file_safe(context, filename) {
if let Some(recipients) = self.param.get(Param::Recipients) {
let recipients_list = recipients
.split("\x1e")
.filter_map(|addr| match lettre::EmailAddress::new(addr.to_string()) {
Ok(addr) => Some(addr),
Err(err) => {
eprintln!("WARNING: invalid recipient: {} {:?}", addr, err);
None
}
} else {
ok_to_continue1 = true;
}
if ok_to_continue1 {
// hold the smtp lock during sending of a job and
// its ok/error response processing. Note that if a message
// was sent we need to mark it in the database as we
// otherwise might send it twice.
let mut sock = context.smtp.lock().unwrap();
if 0 == sock.send(context, recipients_list, body) {
sock.disconnect();
self.try_again_later(-1i32, Some(as_str(sock.error)));
} else {
dc_delete_file(context, filename);
if 0 != self.foreign_id {
dc_update_msg_state(
context,
self.foreign_id,
MessageState::OutDelivered,
);
let chat_id: i32 = context
.sql
.query_row_col(
context,
"SELECT chat_id FROM msgs WHERE id=?",
params![self.foreign_id as i32],
0,
)
.unwrap_or_default();
context.call_cb(
Event::MSG_DELIVERED,
chat_id as uintptr_t,
self.foreign_id as uintptr_t,
);
}
}
}
})
.collect::<Vec<_>>();
/* if there is a msg-id and it does not exist in the db, cancel sending.
this happends if dc_delete_msgs() was called
before the generated mime was sent out */
if 0 != self.foreign_id
&& 0 == unsafe { dc_msg_exists(context, self.foreign_id) }
{
warn!(
context,
0, "Message {} for job {} does not exist", self.foreign_id, self.job_id,
);
return;
};
// hold the smtp lock during sending of a job and
// its ok/error response processing. Note that if a message
// was sent we need to mark it in the database as we
// otherwise might send it twice.
let mut sock = context.smtp.lock().unwrap();
if 0 == sock.send(context, recipients_list, body) {
sock.disconnect();
self.try_again_later(-1i32, Some(as_str(sock.error)));
} else {
warn!(context, 0, "Missing recipients for job {}", self.job_id,);
dc_delete_file(context, filename);
if 0 != self.foreign_id {
dc_update_msg_state(
context,
self.foreign_id,
MessageState::OutDelivered,
);
let chat_id: i32 = context
.sql
.query_row_col(
context,
"SELECT chat_id FROM msgs WHERE id=?",
params![self.foreign_id as i32],
0,
)
.unwrap_or_default();
context.call_cb(
Event::MSG_DELIVERED,
chat_id as uintptr_t,
self.foreign_id as uintptr_t,
);
}
}
} else {
warn!(context, 0, "Missing recipients for job {}", self.job_id,);
}
}
}