fix chunk picker round robin actually working

(worked kinda bc of bug before)
make priority dynamic and fix skipping to make it work too

solanaceae/ngc_ft1_sha1/chunk_picker.cpp

@@ -133,6 +133,7 @@ void ChunkPicker::updateParticipation(
 
 	entt::dense_set<Object> checked;
 	for (const Object ov : c.get<Contact::Components::FT1Participation>().participating) {
+		using Priority = ObjComp::Ephemeral::File::DownloadPriority::Priority;
 		const ObjectHandle o {objreg, ov};
 
 		if (participating_unfinished.contains(o)) {
@@ -150,6 +151,21 @@ void ChunkPicker::updateParticipation(
 				participating_unfinished.erase(o);
 				continue;
 			}
+
+			// TODO: optimize this to only change on dirty, or something
+			if (o.all_of<ObjComp::Ephemeral::File::DownloadPriority>()) {
+				Priority prio = o.get<ObjComp::Ephemeral::File::DownloadPriority>().p;
+
+				uint16_t pskips =
+					prio == Priority::HIGHEST ? 0u :
+					prio == Priority::HIGH ? 1u :
+					prio == Priority::NORMAL ? 2u :
+					prio == Priority::LOW ? 4u :
+					8u // LOWEST
+				;
+
+				participating_unfinished.at(o).should_skip = pskips;
+			}
 		} else {
 			if (!o.all_of<Components::FT1ChunkSHA1Cache, Components::FT1InfoSHA1>()) {
 				continue;
@@ -160,8 +176,6 @@ void ChunkPicker::updateParticipation(
 			}
 
 			if (!o.all_of<ObjComp::F::TagLocalHaveAll>()) {
-				//using Priority = Components::DownloadPriority::Priority;
-				using Priority = ObjComp::Ephemeral::File::DownloadPriority::Priority;
 				Priority prio = Priority::NORMAL;
 
 				if (o.all_of<ObjComp::Ephemeral::File::DownloadPriority>()) {
@@ -239,13 +253,12 @@ std::vector<ChunkPicker::ContentChunkR> ChunkPicker::updateChunkRequests(
 	// round robin content (remember last obj)
 	if (!objreg.valid(participating_in_last) || !participating_unfinished.count(participating_in_last)) {
 		participating_in_last = participating_unfinished.begin()->first;
-		//participating_in_last = *participating_unfinished.begin();
 	}
 	assert(objreg.valid(participating_in_last));
 
 	auto it = participating_unfinished.find(participating_in_last);
 	// hard limit robin rounds to array size time 20
-	for (size_t i = 0; req_ret.size() < num_requests && i < participating_unfinished.size()*20; i++) {
+	for (size_t i = 0; req_ret.size() < num_requests && i < participating_unfinished.size()*20; i++, it++) {
 		if (it == participating_unfinished.end()) {
 			it = participating_unfinished.begin();
 		}
@@ -254,6 +267,7 @@ std::vector<ChunkPicker::ContentChunkR> ChunkPicker::updateChunkRequests(
 			it->second.skips++;
 			continue;
 		}
+		it->second.skips = 0;
 
 		ObjectHandle o {objreg, it->first};
 
@@ -361,7 +375,8 @@ std::vector<ChunkPicker::ContentChunkR> ChunkPicker::updateChunkRequests(
 		}
 	}
 
-	if (it == participating_unfinished.end() || ++it == participating_unfinished.end()) {
+	//if (it == participating_unfinished.end() || ++it == participating_unfinished.end()) {
+	if (it == participating_unfinished.end()) {
 		participating_in_last = entt::null;
 	} else {
 		participating_in_last = it->first;

solanaceae/ngc_hs2/ngc_hs2_send.cpp

@@ -6,8 +6,35 @@
 
 #include <solanaceae/contact/components.hpp>
 
+#include <iostream>
+
 // https://www.youtube.com/watch?v=AdAqsgga3qo
 
+namespace Components {
+
+void IncommingInfoRequestQueue::queueRequest(const InfoRequest& new_request) {
+	// TODO: do more than exact dedupe
+	for (const auto& [ts_start, ts_end] : _queue) {
+		if (ts_start == new_request.ts_start && ts_end == new_request.ts_end) {
+			return; // already enqueued
+		}
+	}
+
+	_queue.push_back(new_request);
+}
+
+void IncommingMsgRequestQueue::queueRequest(const SingleMessageRequest& new_request) {
+	for (const auto& [ppk, mid, ts] : _queue) {
+		if (mid == new_request.mid && ts == new_request.ts && ppk == new_request.ppk) {
+			return; // already enqueued
+		}
+	}
+	_queue.push_back(new_request);
+}
+
+} // Components
+
+
 NGCHS2Send::NGCHS2Send(
 	Contact3Registry& cr,
 	RegistryMessageModelI& rmm,
@@ -34,41 +61,152 @@ NGCHS2Send::~NGCHS2Send(void) {
 }
 
 float NGCHS2Send::iterate(float delta) {
+	// limit how often we update here (new fts usually)
+	if (_iterate_heat > 0.f) {
+		_iterate_heat -= delta;
+		return 1000.f;
+	} else {
+		_iterate_heat = _iterate_cooldown;
+	}
 
 	// work request queue
 	// check if already running, discard
 
+	auto fn_iirq = [this](auto&& view) {
+		for (auto&& [cv, iirq] : view.each()) {
+			Contact3Handle c{_cr, cv};
+			auto& iirr = c.get_or_emplace<Components::IncommingInfoRequestRunning>();
+
+			// dedup queued from running
+
+			if (iirr._list.size() >= _max_parallel_per_peer) {
+				continue;
+			}
+
+			// new ft here?
+		}
+	};
+
+	auto fn_imrq = [this](auto&& view) {
+		for (auto&& [cv, imrq] : view.each()) {
+			Contact3Handle c{_cr, cv};
+			auto& imrr = c.get_or_emplace<Components::IncommingMsgRequestRunning>();
+
+			// dedup queued from running
+
+			if (imrr._list.size() >= _max_parallel_per_peer) {
+				continue;
+			}
+
+			// new ft here?
+		}
+	};
+
+	// first handle range requests on weak self
+	//for (auto&& [cv, iirq] : _cr.view<Contact::Components::TagSelfWeak, Components::IncommingInfoRequestQueue>().each()) {
+	fn_iirq(_cr.view<Contact::Components::TagSelfWeak, Components::IncommingInfoRequestQueue>());
+
+	// then handle messages on weak self
+	//for (auto&& [cv, imrq] : _cr.view<Contact::Components::TagSelfWeak, Components::IncommingMsgRequestQueue>().each()) {
+	fn_imrq(_cr.view<Contact::Components::TagSelfWeak, Components::IncommingMsgRequestQueue>());
+
+	// we could stop here, if too much is already running
+
+	// then range on others
+	//for (auto&& [cv, iirq] : _cr.view<Components::IncommingInfoRequestQueue>(entt::exclude_t<Contact::Components::TagSelfWeak>{}).each()) {
+	fn_iirq(_cr.view<Components::IncommingInfoRequestQueue>(entt::exclude_t<Contact::Components::TagSelfWeak>{}));
+
+	// then messages on others
+	//for (auto&& [cv, imrq] : _cr.view<Components::IncommingMsgRequestQueue>(entt::exclude_t<Contact::Components::TagSelfWeak>{}).each()) {
+	fn_imrq(_cr.view<Components::IncommingMsgRequestQueue>(entt::exclude_t<Contact::Components::TagSelfWeak>{}));
+
 	return 1000.f;
 }
 
+template<typename Type>
+static uint64_t deserlSimpleType(ByteSpan bytes) {
+	if (bytes.size < sizeof(Type)) {
+		throw int(1);
+	}
+
+	Type value;
+
+	for (size_t i = 0; i < sizeof(Type); i++) {
+		value |= Type(bytes[i]) << (i*8);
+	}
+
+	return value;
+}
+
+static uint32_t deserlMID(ByteSpan mid_bytes) {
+	return deserlSimpleType<uint32_t>(mid_bytes);
+}
+
+static uint64_t deserlTS(ByteSpan ts_bytes) {
+	return deserlSimpleType<uint64_t>(ts_bytes);
+}
+
 void NGCHS2Send::handleRange(Contact3Handle c, const Events::NGCFT1_recv_request& e) {
 	ByteSpan fid{e.file_id, e.file_id_size};
+	// TODO: better size check
+	if (fid.size != sizeof(uint64_t)+sizeof(uint64_t)) {
+		std::cerr << "NGCHS2S error: range not lange enough\n";
+		return;
+	}
+
+	// seconds
+	uint64_t ts_start{0};
+	uint64_t ts_end{0};
+
 	// parse
-	// - ts start
-	// - ts end
+	try {
+		ByteSpan ts_start_bytes{fid.ptr, sizeof(uint64_t)};
+		ts_start = deserlTS(ts_start_bytes);
+
+		ByteSpan ts_end_bytes{ts_start_bytes.ptr+ts_start_bytes.size, sizeof(uint64_t)};
+		ts_end = deserlTS(ts_end_bytes);
+	} catch (...) {
+		std::cerr << "NGCHS2S error: failed to parse range\n";
+		return;
+	}
 
 	// dedupe insert into queue
+	// how much overlap do we allow?
+	c.get_or_emplace<Components::IncommingInfoRequestQueue>().queueRequest({
+		ts_start,
+		ts_end,
+	});
 }
 
 void NGCHS2Send::handleSingleMessage(Contact3Handle c, const Events::NGCFT1_recv_request& e) {
 	ByteSpan fid{e.file_id, e.file_id_size};
+	// TODO: better size check
 	if (fid.size != 32+sizeof(uint32_t)+sizeof(uint64_t)) {
-		// error
+		std::cerr << "NGCHS2S error: singlemessage not lange enough\n";
 		return;
 	}
 
+	ByteSpan ppk;
+	uint32_t mid {0};
+	uint64_t ts {0}; // deciseconds
+
 	// parse
-	// - ppk
-	// TOX_GROUP_PEER_PUBLIC_KEY_SIZE (32)
-	ByteSpan ppk{fid.ptr, 32};
+	try {
+		// - ppk
+		// TOX_GROUP_PEER_PUBLIC_KEY_SIZE (32)
+		ppk = {fid.ptr, 32};
 
-	// - mid
-	//static_assert(sizeof(Tox_Group_Message_Id) == sizeof(uint32_t));
-	ByteSpan mid_bytes{fid.ptr+ppk.size, sizeof(uint32_t)};
+		// - mid
+		ByteSpan mid_bytes{fid.ptr+ppk.size, sizeof(uint32_t)};
+		mid = deserlMID(mid_bytes);
 
-	// - ts
-	// uint64_t (seconds? we dont want milliseconds
-	ByteSpan ts_bytes{mid_bytes.ptr+mid_bytes.size, sizeof(uint64_t)};
+		// - ts
+		ByteSpan ts_bytes{mid_bytes.ptr+mid_bytes.size, sizeof(uint64_t)};
+		ts = deserlTS(ts_bytes);
+	} catch (...) {
+		std::cerr << "NGCHS2S error: failed to parse singlemessage\n";
+		return;
+	}
 
 	// file content
 	// - message type (text/textaction/file(ft1sha1))
@@ -81,6 +219,11 @@ void NGCHS2Send::handleSingleMessage(Contact3Handle c, const Events::NGCFT1_recv
 	// for queue, we need group, peer, msg_ppk, msg_mid, msg_ts
 
 	// dedupe insert into queue
+	c.get_or_emplace<Components::IncommingMsgRequestQueue>().queueRequest({
+		ppk,
+		mid,
+		ts,
+	});
 }
 
 bool NGCHS2Send::onEvent(const Message::Events::MessageConstruct&) {

solanaceae/ngc_hs2/ngc_hs2_send.hpp

@@ -9,10 +9,60 @@
 
 #include <entt/container/dense_map.hpp>
 
+#include <solanaceae/util/span.hpp>
+
+#include <vector>
+
 // fwd
 class ToxContactModel2;
 
-// limit to 2 uploads per peer simultaniously
+
+struct InfoRequest {
+	uint64_t ts_start{0};
+	uint64_t ts_end{0};
+};
+
+struct SingleMessageRequest {
+	ByteSpan ppk;
+	uint32_t mid {0};
+	uint64_t ts {0}; // deciseconds
+};
+
+// TODO: move to own file
+namespace Components {
+	struct IncommingInfoRequestQueue {
+		std::vector<InfoRequest> _queue;
+
+		// we should remove/notadd queued requests
+		// that are subsets of same or larger ranges
+		void queueRequest(const InfoRequest& new_request);
+	};
+
+	struct IncommingInfoRequestRunning {
+		struct Entry {
+			InfoRequest ir;
+			std::vector<uint8_t> data; // trasfer data in memory
+		};
+		entt::dense_map<uint8_t, Entry> _list;
+	};
+
+	struct IncommingMsgRequestQueue {
+		// optimize dup lookups (this list could be large)
+		std::vector<SingleMessageRequest> _queue;
+
+		// removes dups
+		void queueRequest(const SingleMessageRequest& new_request);
+	};
+
+	struct IncommingMsgRequestRunning {
+		struct Entry {
+			SingleMessageRequest smr;
+			std::vector<uint8_t> data; // trasfer data in memory
+		};
+		// make more efficent? this list is very short
+		entt::dense_map<uint8_t, Entry> _list;
+	};
+} // Components
 
 class NGCHS2Send : public RegistryMessageModelEventI, public NGCFT1EventI {
 	Contact3Registry& _cr;
@@ -21,12 +71,22 @@ class NGCHS2Send : public RegistryMessageModelEventI, public NGCFT1EventI {
 	NGCFT1& _nft;
 	NGCFT1EventProviderI::SubscriptionReference _nftep_sr;
 
+	float _iterate_heat {0.f};
+	constexpr static float _iterate_cooldown {1.22f}; // sec
+
 	// open/running info requests (by c)
+	// comp on peer c
 
 	// open/running info responses (by c)
+	// comp on peer c
 
-	static const bool _only_send_self_observed {true};
-	static const int64_t _max_time_into_past_default {60}; // s
+	// limit to 2 uploads per peer simultaniously
+	// TODO: increase for prod (4?)
+	// currently per type
+	constexpr static size_t _max_parallel_per_peer {2};
+
+	constexpr static bool _only_send_self_observed {true};
+	constexpr static int64_t _max_time_into_past_default {60*15}; // s
 
 	public:
 		NGCHS2Send(