From 5eb833bb7ca47f76d8853e44121cfc785fe1a1c3 Mon Sep 17 00:00:00 2001
From: Arik Sosman <git@arik.io>
Date: Fri, 4 Aug 2023 14:30:02 -0700
Subject: [PATCH] Allow log threshold configuration.

---
 src/config.rs | 13 +++++++++++++
 src/types.rs  |  6 +++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/config.rs b/src/config.rs
index b0e3a7c..804b0f8 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -35,6 +35,19 @@ pub(crate) fn network() -> Network {
 	}
 }
 
+pub(crate) fn log_level() -> lightning::util::logger::Level {
+	let level = env::var("RAPID_GOSSIP_SYNC_SERVER_LOG_LEVEL").unwrap_or("info".to_string()).to_lowercase();
+	match level.as_str() {
+		"gossip" => lightning::util::logger::Level::Gossip,
+		"trace" => lightning::util::logger::Level::Trace,
+		"debug" => lightning::util::logger::Level::Debug,
+		"info" => lightning::util::logger::Level::Info,
+		"warn" => lightning::util::logger::Level::Warn,
+		"error" => lightning::util::logger::Level::Error,
+		_ => panic!("Invalid log level"),
+	}
+}
+
 pub(crate) fn network_graph_cache_path() -> String {
 	format!("{}/network_graph.bin", cache_path())
 }
diff --git a/src/types.rs b/src/types.rs
index 6fafbd3..0b03081 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -4,6 +4,7 @@ use lightning::sign::KeysManager;
 use lightning::ln::msgs::{ChannelAnnouncement, ChannelUpdate};
 use lightning::ln::peer_handler::{ErroringMessageHandler, IgnoringMessageHandler, PeerManager};
 use lightning::util::logger::{Logger, Record};
+use crate::config;
 
 use crate::downloader::GossipRouter;
 use crate::verifier::ChainVerifier;
@@ -28,7 +29,10 @@ impl RGSSLogger {
 
 impl Logger for RGSSLogger {
 	fn log(&self, record: &Record) {
-		// TODO: allow log level threshold to be set
+		let threshold = config::log_level();
+		if record.level < threshold {
+			return;
+		}
 		println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
 	}
 }
-- 
2.39.5