after 2 weeks of porting over the ngc_ft1 code to solanaceae and rewriting the highlevel logic

(29 commits predate this)

solanaceae/ngc_ft1/rcv_buf.cpp

@@ -0,0 +1,44 @@
+#include "./rcv_buf.hpp"
+
+#include <cassert>
+
+void RecvSequenceBuffer::erase(uint16_t seq) {
+	entries.erase(seq);
+}
+
+// inflight chunks
+size_t RecvSequenceBuffer::size(void) const {
+	return entries.size();
+}
+
+void RecvSequenceBuffer::add(uint16_t seq_id, std::vector<uint8_t>&& data) {
+	entries[seq_id] = {data};
+	ack_seq_ids.push_back(seq_id);
+	if (ack_seq_ids.size() > 3) { // TODO: magic
+		ack_seq_ids.pop_front();
+	}
+}
+
+bool RecvSequenceBuffer::canPop(void) const {
+	return entries.count(next_seq_id);
+}
+
+std::vector<uint8_t> RecvSequenceBuffer::pop(void) {
+	assert(canPop());
+	auto tmp_data = entries.at(next_seq_id).data;
+	erase(next_seq_id);
+	next_seq_id++;
+	return tmp_data;
+}
+
+// for acking, might be bad since its front
+std::vector<uint16_t> RecvSequenceBuffer::frontSeqIDs(size_t count) const {
+	std::vector<uint16_t> seq_ids;
+	auto it = entries.cbegin();
+	for (size_t i = 0; i < count && it != entries.cend(); i++, it++) {
+		seq_ids.push_back(it->first);
+	}
+
+	return seq_ids;
+}
+