From fab3d42ee97fac87bafa3ffb6068b9ccbe2ee0ce Mon Sep 17 00:00:00 2001
From: Green Sky <green@g-s.xyz>
Date: Sun, 7 Jul 2024 15:27:30 +0200
Subject: [PATCH] transfer time temporality buffer

---
 solanaceae/ngc_ft1/ngcft1.cpp | 5 +++++
 solanaceae/ngc_ft1/ngcft1.hpp | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/solanaceae/ngc_ft1/ngcft1.cpp b/solanaceae/ngc_ft1/ngcft1.cpp
index 1c4d386..67dbebf 100644
--- a/solanaceae/ngc_ft1/ngcft1.cpp
+++ b/solanaceae/ngc_ft1/ngcft1.cpp
@@ -212,6 +212,7 @@ NGCFT1::NGCFT1(
 }
 
 float NGCFT1::iterate(float time_delta) {
+	_time_since_activity += time_delta;
 	bool transfer_in_progress {false};
 	for (auto& [group_number, group] : groups) {
 		for (auto& [peer_number, peer] : group.peers) {
@@ -238,9 +239,13 @@ float NGCFT1::iterate(float time_delta) {
 	}
 
 	if (transfer_in_progress) {
+		_time_since_activity = 0.f;
 		// ~15ms for up to 1mb/s
 		// ~5ms for up to 4mb/s
 		return 0.005f; // 5ms
+	} else if (_time_since_activity < 0.5f) {
+		// bc of temporality
+		return 0.025f;
 	} else {
 		return 1.f; // once a sec might be too little
 	}
diff --git a/solanaceae/ngc_ft1/ngcft1.hpp b/solanaceae/ngc_ft1/ngcft1.hpp
index c96b59c..c6e5779 100644
--- a/solanaceae/ngc_ft1/ngcft1.hpp
+++ b/solanaceae/ngc_ft1/ngcft1.hpp
@@ -135,12 +135,13 @@ class NGCFT1 : public ToxEventI, public NGCEXTEventI, public NGCFT1EventProvider
 
 	std::default_random_engine _rng{std::random_device{}()};
 
+	float _time_since_activity {10.f};
+
 	// TODO: config
 	size_t acks_per_packet {3u}; // 3
 	float init_retry_timeout_after {4.f};
 	float sending_give_up_after {15.f}; // 30sec (per active transfer)
 
-
 	struct Group {
 		struct Peer {
 			uint32_t max_packet_data_size {500-4};