sequence_number_generator.cpp

// src/matching/sequence_number_generator.cpp
#include "lob/matching/sequence_number_generator.hpp"
 
#include <limits>
#include <stdexcept>
 
namespace lob {
 
std::uint64_t SequenceNumberGenerator::currentSequence = 0;
 
/** Advances the global processing sequence without allowing wraparound. */
SequenceNumber SequenceNumberGenerator::generate() {
    if (currentSequence == std::numeric_limits<std::uint64_t>::max()) {
        throw std::overflow_error("Sequence number space exhausted");
    }
 
    return SequenceNumber{++currentSequence};
}
 
} // namespace lob