void print_alerts(lt::session& ses
, std::function<void(lt::session&, lt::alert const*)> on_alert)
{
lt::time_point start_time = lt::clock_type::now();
ses.set_alert_notify([&ses,start_time,on_alert] {
ses.get_io_service().post([&ses,start_time,on_alert] {
try {
std::vector<lt::alert*> alerts;
ses.pop_alerts(&alerts);
for (lt::alert const* a : alerts)
{
std::printf("%-3d [0] %s\n", int(lt::duration_cast<lt::seconds>(a->timestamp()
- start_time).count()), a->message().c_str());
// call the user handler
on_alert(ses, a);
}
} catch (std::exception const& e) {
std::printf("print alerts: ERROR failed with exception: %s"
, e.what());
} catch (...) {
std::printf("print alerts: ERROR failed with (unknown) exception");
}
} ); } );
}
void print_alerts(lt::session& ses
, std::function<void(lt::session&, lt::alert const*)> on_alert)
{
lt::time_point start_time = lt::clock_type::now();
ses.set_alert_notify([&ses,start_time,on_alert] {
ses.get_io_service().post([&ses,start_time,on_alert] {
std::vector<lt::alert*> alerts;
ses.pop_alerts(&alerts);
for (lt::alert const* a : alerts)
{
printf("%-3d [0] %s\n", int(lt::duration_cast<lt::seconds>(a->timestamp()
- start_time).count()), a->message().c_str());
// call the user handler
on_alert(ses, a);
}
} ); } );
}
int get_cache_size(lt::session& ses)
{
std::vector<stats_metric> stats = session_stats_metrics();
int const read_cache_idx = find_metric_idx("disk.read_cache_blocks");
int const write_cache_idx = find_metric_idx("disk.write_cache_blocks");
TEST_CHECK(read_cache_idx >= 0);
TEST_CHECK(write_cache_idx >= 0);
ses.set_alert_notify([](){});
ses.post_session_stats();
std::vector<alert*> alerts;
ses.pop_alerts(&alerts);
int cache_size = -1;
for (auto const a : alerts)
{
if (auto const* st = alert_cast<session_stats_alert>(a))
{
cache_size = st->values[read_cache_idx];
cache_size += st->values[write_cache_idx];
break;
}
}
return cache_size;
}