45 lines
991 B
C++
45 lines
991 B
C++
#include "./rcv_buf.hpp"
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#include <cassert>
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void RecvSequenceBuffer::erase(uint16_t seq) {
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entries.erase(seq);
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}
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// inflight chunks
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size_t RecvSequenceBuffer::size(void) const {
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return entries.size();
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}
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void RecvSequenceBuffer::add(uint16_t seq_id, std::vector<uint8_t>&& data) {
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entries[seq_id] = {data};
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ack_seq_ids.push_back(seq_id);
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if (ack_seq_ids.size() > 3) { // TODO: magic
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ack_seq_ids.pop_front();
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}
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}
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bool RecvSequenceBuffer::canPop(void) const {
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return entries.count(next_seq_id);
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}
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std::vector<uint8_t> RecvSequenceBuffer::pop(void) {
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assert(canPop());
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auto tmp_data = entries.at(next_seq_id).data;
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erase(next_seq_id);
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next_seq_id++;
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return tmp_data;
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}
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// for acking, might be bad since its front
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std::vector<uint16_t> RecvSequenceBuffer::frontSeqIDs(size_t count) const {
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std::vector<uint16_t> seq_ids;
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auto it = entries.cbegin();
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for (size_t i = 0; i < count && it != entries.cend(); i++, it++) {
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seq_ids.push_back(it->first);
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}
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return seq_ids;
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}
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