// See the file "COPYING" in the main distribution directory for copyright.

#include "zeek/WeirdState.h"

#include "zeek/RunState.h"

namespace zeek::detail {

bool PermitWeird(WeirdStateMap& wsm, const char* name, uint64_t threshold, uint64_t rate, double duration) {
    auto& state = wsm[name];
    ++state.count;

    if ( state.count <= threshold )
        return true;

    if ( state.count == threshold + 1 )
        state.sampling_start_time = run_state::network_time;
    else {
        if ( run_state::network_time > state.sampling_start_time + duration ) {
            state.sampling_start_time = 0;
            state.count = 1;
            return true;
        }
    }

    auto num_above_threshold = state.count - threshold;
    if ( rate )
        return num_above_threshold % rate == 0;
    else
        return false;
}

} // namespace zeek::detail
