Allow custom logger types.

[rapid-gossip-sync-server] / src / lib.rs

diff --git a/src/lib.rs b/src/lib.rs
index 37bbe4cb0338170998acef7ae0032c7056f7ea86..363d4aeb9e94ddb2c8a1baddad45027eb2ac7129 100644 (file)
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -15,6 +15,7 @@ use std::io::BufReader;
 use std::sync::Arc;
 
 use lightning::routing::gossip::{NetworkGraph, NodeId};
+use lightning::util::logger::Logger;
 use lightning::util::ser::{ReadableArgs, Writeable};
 use tokio::sync::mpsc;
 use crate::lookup::DeltaSet;
@@ -22,10 +23,9 @@ use crate::lookup::DeltaSet;
 use crate::persistence::GossipPersister;
 use crate::serialization::UpdateSerialization;
 use crate::snapshot::Snapshotter;
-use crate::types::TestLogger;
+use crate::types::RGSSLogger;
 
 mod downloader;
-mod types;
 mod tracking;
 mod lookup;
 mod persistence;
@@ -35,14 +35,17 @@ mod config;
 mod hex_utils;
 mod verifier;
 
+pub mod types;
+
 /// The purpose of this prefix is to identify the serialization format, should other rapid gossip
 /// sync formats arise in the future.
 ///
 /// The fourth byte is the protocol version in case our format gets updated.
 const GOSSIP_PREFIX: [u8; 4] = [76, 68, 75, 1];
 
-pub struct RapidSyncProcessor {
-       network_graph: Arc<NetworkGraph<TestLogger>>,
+pub struct RapidSyncProcessor<L: Logger> {
+       network_graph: Arc<NetworkGraph<Arc<L>>>,
+       logger: Arc<L>
 }
 
 pub struct SerializedResponse {
@@ -54,27 +57,27 @@ pub struct SerializedResponse {
        pub update_count_incremental: u32,
 }
 
-impl RapidSyncProcessor {
-       pub fn new() -> Self {
+impl<L: Logger + Send + Sync + 'static> RapidSyncProcessor<L> {
+       pub fn new(logger: Arc<L>) -> Self {
                let network = config::network();
-               let logger = TestLogger::new();
                let network_graph = if let Ok(file) = File::open(&config::network_graph_cache_path()) {
                        println!("Initializing from cached network graph…");
                        let mut buffered_reader = BufReader::new(file);
-                       let network_graph_result = NetworkGraph::read(&mut buffered_reader, logger);
+                       let network_graph_result = NetworkGraph::read(&mut buffered_reader, logger.clone());
                        if let Ok(network_graph) = network_graph_result {
                                println!("Initialized from cached network graph!");
                                network_graph
                        } else {
                                println!("Initialization from cached network graph failed: {}", network_graph_result.err().unwrap());
-                               NetworkGraph::new(network, logger)
+                               NetworkGraph::new(network, logger.clone())
                        }
                } else {
-                       NetworkGraph::new(network, logger)
+                       NetworkGraph::new(network, logger.clone())
                };
                let arc_network_graph = Arc::new(network_graph);
                Self {
                        network_graph: arc_network_graph,
+                       logger
                }
        }
 
@@ -87,7 +90,7 @@ impl RapidSyncProcessor {
 
                        println!("Starting gossip download");
                        tokio::spawn(tracking::download_gossip(persistence_sender, sync_completion_sender,
-                               Arc::clone(&self.network_graph)));
+                               Arc::clone(&self.network_graph), Arc::clone(&self.logger)));
                        println!("Starting gossip db persistence listener");
                        tokio::spawn(async move { persister.persist_gossip().await; });
                } else {
@@ -126,7 +129,7 @@ fn serialize_empty_blob(current_timestamp: u64) -> Vec<u8> {
        let chain_hash = genesis_block.block_hash();
        chain_hash.write(&mut blob).unwrap();
 
-       let blob_timestamp = Snapshotter::round_down_to_nearest_multiple(current_timestamp, config::SNAPSHOT_CALCULATION_INTERVAL as u64) as u32;
+       let blob_timestamp = Snapshotter::<RGSSLogger>::round_down_to_nearest_multiple(current_timestamp, config::SNAPSHOT_CALCULATION_INTERVAL as u64) as u32;
        blob_timestamp.write(&mut blob).unwrap();
 
        0u32.write(&mut blob).unwrap(); // node count
@@ -136,7 +139,7 @@ fn serialize_empty_blob(current_timestamp: u64) -> Vec<u8> {
        blob
 }
 
-async fn serialize_delta(network_graph: Arc<NetworkGraph<TestLogger>>, last_sync_timestamp: u32) -> SerializedResponse {
+async fn serialize_delta<L: Logger>(network_graph: Arc<NetworkGraph<Arc<L>>>, last_sync_timestamp: u32) -> SerializedResponse {
        let (client, connection) = lookup::connect_to_db().await;
 
        network_graph.remove_stale_channels_and_tracking();