64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
#ifndef FORTUNA_EVENT_ADDER_IMPL_H
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#define FORTUNA_EVENT_ADDER_IMPL_H
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#include "event_adder.h"
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#include "pool.h"
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#include <fmt/core.h>
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#include <cstdint>
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#include <exception>
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#include <memory>
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#include <stdexcept>
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namespace fortuna {
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namespace accumulator {
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class EventAdderImpl final : public EventAdder {
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private:
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uint8_t pool_id;
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uint64_t where_to{0};
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unsigned int _source_id;
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std::shared_ptr<
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std::array<accumulator::Pool, accumulator::Pool::NUM_OF_POOLS>>
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_pools;
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public:
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EventAdderImpl(
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const unsigned int source_id,
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std::shared_ptr<std::array<accumulator::Pool,
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accumulator::Pool::NUM_OF_POOLS>> pools) {
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this->_source_id = source_id;
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if (pools) {
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this->_pools = pools;
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}
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else {
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throw std::runtime_error(
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"[!] adder: pools pointer no longer valid\n");
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}
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this->pool_id = 0;
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}
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void add(const std::vector<char>& event) override {
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try {
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this->pool_id = (this->where_to) % 32;
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fmt::print("[i] add to pool {}\n", this->pool_id);
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int ret{this->_pools->at(this->pool_id)
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.add_entropy(this->_source_id, event)};
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if (ret == 1) {
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throw std::runtime_error(
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"\t[!] event_adder: error adding event!\n");
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}
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// FIXME: this WILL overflow, too
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++where_to;
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}
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catch (std::exception& e) {
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throw;
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}
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}
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};
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} // namespace accumulator
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} // namespace fortuna
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#endif // FORTUNA_EVENT_ADDER_IMPL_H
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