zeek/src/file_analysis/FileTimer.cc
2025-06-06 11:43:06 -07:00

42 lines
1.3 KiB
C++

// See the file "COPYING" in the main distribution directory for copyright.
#include "zeek/file_analysis/FileTimer.h"
#include "zeek/file_analysis/File.h"
#include "zeek/file_analysis/Manager.h"
namespace zeek::file_analysis::detail {
FileTimer::FileTimer(double t, std::string id, double interval)
: zeek::detail::Timer(t + interval, zeek::detail::TIMER_FILE_ANALYSIS_INACTIVITY), file_id(std::move(id)) {
DBG_LOG(DBG_FILE_ANALYSIS, "New %f second timeout timer for %s", interval, file_id.c_str());
}
void FileTimer::Dispatch(double t, bool is_expire) {
File* file = file_mgr->LookupFile(file_id);
if ( ! file )
return;
double last_active = file->GetLastActivityTime();
double inactive_time = t > last_active ? t - last_active : 0.0;
DBG_LOG(DBG_FILE_ANALYSIS,
"Checking inactivity for %s, last active at %f, "
"inactive for %f",
file_id.c_str(), last_active, inactive_time);
if ( last_active == 0.0 ) {
// was created when network_time was zero, so re-schedule w/ valid time
file->UpdateLastActivityTime();
file->ScheduleInactivityTimer();
return;
}
if ( inactive_time >= file->GetTimeoutInterval() )
file_mgr->Timeout(file_id);
else if ( ! is_expire )
file->ScheduleInactivityTimer();
}
} // namespace zeek::file_analysis::detail