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db/update/InotifyQueue: check for ACK_ERROR_UPDATE_ALREADY

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Since commit cc64c715a2, UpdateService::Enqueue() throws
ProtocolError(ACK_ERROR_UPDATE_ALREADY) instead of returning 0.
This commit is contained in:
Max Kellermann 2018-12-28 14:02:41 +01:00
parent 3c4ed9cbe3
commit 1c7bd7d5c4
1 changed files with 12 additions and 7 deletions
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19
src/db/update/InotifyQueue.cxx
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@ -21,6 +21,7 @@
#include "InotifyDomain.hxx"
#include "Service.hxx"
#include "Log.hxx"
#include "protocol/Ack.hxx" // for class ProtocolError
#include "util/StringCompare.hxx"
/**
@ -40,7 +41,17 @@ InotifyQueue::OnDelay() noexcept
const char *uri_utf8 = queue.front().c_str();
try {
id = update.Enqueue(uri_utf8, false);
try {
id = update.Enqueue(uri_utf8, false);
} catch (const ProtocolError &e) {
if (e.GetCode() == ACK_ERROR_UPDATE_ALREADY) {
/* retry later */
delay_event.Schedule(INOTIFY_UPDATE_DELAY);
return;
}
throw;
}
} catch (...) {
FormatError(std::current_exception(),
"Failed to enqueue '%s'", uri_utf8);
@ -48,12 +59,6 @@ InotifyQueue::OnDelay() noexcept
continue;
}
if (id == 0) {
/* retry later */
delay_event.Schedule(INOTIFY_UPDATE_DELAY);
return;
}
FormatDebug(inotify_domain, "updating '%s' job=%u",
uri_utf8, id);