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Try to fix #119

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This commit is contained in:
Duke
2023-03-27 15:29:59 -07:00
parent 7364e21f99
commit 77ac1f99ae
2 changed files with 48 additions and 31 deletions
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41
src/connection.cpp
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@@ -71,7 +71,21 @@ void ConnectionLoader::loadConnection()
void ConnectionLoader::loadProgress() void ConnectionLoader::loadProgress()
{ {
QTimer::singleShot(1, [=]() { this->ShowProgress(); }); bool failed = false;
QTimer::singleShot(1, [=]() mutable {
// continually retry ShowProgress() until it succeeds
// by running without an exception
do {
try {
this->ShowProgress();
failed = false;
} catch (const std::exception& e) {
DEBUG("caught exception " << e.what() );
failed = true;
}
} while (failed);
});
if (!Settings::getInstance()->isHeadless()) if (!Settings::getInstance()->isHeadless())
d->exec(); d->exec();
} }
@@ -85,7 +99,7 @@ void ConnectionLoader::ShowProgress()
auto connection = makeConnection(config); auto connection = makeConnection(config);
auto me = this; auto me = this;
qDebug() << __func__ << ": server=" << config->server << " connection=" << connection << " me=" << me; DEBUG("server=" << config->server << " connection=" << connection << " me=" << me);
isSyncing = new QAtomicInteger<bool>(); isSyncing = new QAtomicInteger<bool>();
isSyncing->store(true); isSyncing->store(true);
@@ -107,27 +121,30 @@ void ConnectionLoader::ShowProgress()
// Check the sync status // Check the sync status
if (isSyncing != nullptr && isSyncing->load()) { if (isSyncing != nullptr && isSyncing->load()) {
// Get the sync status // Get the sync status
try { try {
connection->doRPC("syncstatus", "", [=](json reply) { connection->doRPC("syncstatus", "", [=](json reply) {
if (isSyncing != nullptr && reply.find("synced_blocks") != reply.end()) if (isSyncing != nullptr && reply.find("synced_blocks") != reply.end()) {
{
qint64 synced = reply["synced_blocks"].get<json::number_unsigned_t>(); qint64 synced = reply["synced_blocks"].get<json::number_unsigned_t>();
qint64 total = reply["total_blocks"].get<json::number_unsigned_t>(); qint64 total = reply["total_blocks"].get<json::number_unsigned_t>();
me->showInformation( me->showInformation(
"Syncing... " + QString::number(synced) + " / " + QString::number(total) "Syncing... " + QString::number(synced) + " / " + QString::number(total)
); );
} }
}, }, [=](QString err) {
[=](QString err) { DEBUG("Sync error " << err);
qDebug() << "Sync error" << err; // We may have gotten "Unexpected compression flag: 60"
// or some other error, so let's try another server
config->server = Settings::getRandomServer();
DEBUG("Changed server to " << config->server );
}); });
}catch (...) } catch (const std::exception& e) {
{ DEBUG("syncstatus exception: " << e.what() );
main->logger->write("catch sync progress reply"); main->logger->write("catch sync progress reply");
}
// rethrow exception so loadProgress can catch
// it and retry the entire ShowProgress() function again
throw new std::runtime_error(std::string("syncstatus failed"));
}
} }
}); });