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Try to fix crash in setCurrentIndex

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fixes #607
This commit is contained in:
Nicolas Werner 2021-07-13 02:45:03 +02:00
parent c600827f78
commit d81e3f94e7
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GPG key ID: C8D75E610773F2D9
1 changed files with 23 additions and 16 deletions
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11
src/Cache.cpp
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@ -1914,7 +1914,7 @@ Cache::getTimelineIndex(const std::string &room_id, std::string_view event_id)
std::optional<uint64_t> std::optional<uint64_t>
Cache::getEventIndex(const std::string &room_id, std::string_view event_id) Cache::getEventIndex(const std::string &room_id, std::string_view event_id)
{ {
if (event_id.empty()) if (room_id.empty() || event_id.empty())
return {}; return {};
auto txn = ro_txn(env_); auto txn = ro_txn(env_);
@ -1942,7 +1942,7 @@ Cache::getEventIndex(const std::string &room_id, std::string_view event_id)
std::optional<std::pair<uint64_t, std::string>> std::optional<std::pair<uint64_t, std::string>>
Cache::lastInvisibleEventAfter(const std::string &room_id, std::string_view event_id) Cache::lastInvisibleEventAfter(const std::string &room_id, std::string_view event_id)
{ {
if (event_id.empty()) if (room_id.empty() || event_id.empty())
return {}; return {};
auto txn = ro_txn(env_); auto txn = ro_txn(env_);
@ -1967,6 +1967,8 @@ Cache::lastInvisibleEventAfter(const std::string &room_id, std::string_view even
if (!success) { if (!success) {
return {}; return {};
} }
try {
uint64_t prevIdx = lmdb::from_sv<uint64_t>(indexVal); uint64_t prevIdx = lmdb::from_sv<uint64_t>(indexVal);
std::string prevId{event_id}; std::string prevId{event_id};
@ -1984,6 +1986,11 @@ Cache::lastInvisibleEventAfter(const std::string &room_id, std::string_view even
} }
return std::pair{prevIdx, std::string(prevId)}; return std::pair{prevIdx, std::string(prevId)};
} catch (lmdb::runtime_error &e) {
nhlog::db()->error(
"Failed to get last invisible event after {}", event_id, e.what());
return {};
}
} }
std::optional<uint64_t> std::optional<uint64_t>