use std::fs::OpenOptions;
use std::io::{BufWriter, Write};
+use std::ops::Deref;
+use std::mem;
use std::sync::Arc;
use std::time::{Duration, Instant};
+use lightning::log_info;
use lightning::routing::gossip::NetworkGraph;
+use lightning::util::logger::Logger;
use lightning::util::ser::Writeable;
-use tokio::sync::mpsc;
-use tokio_postgres::NoTls;
+use tokio::sync::{mpsc, Mutex, Semaphore};
-use crate::{config, hex_utils, TestLogger};
+use crate::config;
use crate::types::GossipMessage;
-pub(crate) struct GossipPersister {
+const POSTGRES_INSERT_TIMEOUT: Duration = Duration::from_secs(15);
+const INSERT_PARALELLISM: usize = 16;
+
+pub(crate) struct GossipPersister<L: Deref> where L::Target: Logger {
gossip_persistence_receiver: mpsc::Receiver<GossipMessage>,
- network_graph: Arc<NetworkGraph<TestLogger>>,
+ network_graph: Arc<NetworkGraph<L>>,
+ logger: L
}
-impl GossipPersister {
- pub fn new(network_graph: Arc<NetworkGraph<TestLogger>>) -> (Self, mpsc::Sender<GossipMessage>) {
+impl<L: Deref> GossipPersister<L> where L::Target: Logger {
+ pub fn new(network_graph: Arc<NetworkGraph<L>>, logger: L) -> (Self, mpsc::Sender<GossipMessage>) {
let (gossip_persistence_sender, gossip_persistence_receiver) =
mpsc::channel::<GossipMessage>(100);
(GossipPersister {
gossip_persistence_receiver,
- network_graph
+ network_graph,
+ logger
}, gossip_persistence_sender)
}
pub(crate) async fn persist_gossip(&mut self) {
- let connection_config = config::db_connection_config();
- let (mut client, connection) =
- connection_config.connect(NoTls).await.unwrap();
-
- tokio::spawn(async move {
- if let Err(e) = connection.await {
- panic!("connection error: {}", e);
- }
- });
+ let mut client = crate::connect_to_db().await;
{
// initialize the database
config::upgrade_db(cur_schema[0].get(0), &mut client).await;
}
+ let preparation = client.execute("set time zone UTC", &[]).await;
+ if let Err(preparation_error) = preparation {
+ panic!("db preparation error: {}", preparation_error);
+ }
+
let initialization = client
.execute(
// TODO: figure out a way to fix the id value without Postgres complaining about
let mut latest_persistence_log = Instant::now() - Duration::from_secs(60);
let mut i = 0u32;
let mut latest_graph_cache_time = Instant::now();
+ let insert_limiter = Arc::new(Semaphore::new(INSERT_PARALELLISM));
+ let connections_cache = Arc::new(Mutex::new(Vec::with_capacity(INSERT_PARALELLISM)));
+ #[cfg(test)]
+ let mut tasks_spawned = Vec::new();
// TODO: it would be nice to have some sort of timeout here so after 10 seconds of
// inactivity, some sort of message could be broadcast signaling the activation of request
// processing
- while let Some(gossip_message) = &self.gossip_persistence_receiver.recv().await {
+ while let Some(gossip_message) = self.gossip_persistence_receiver.recv().await {
i += 1; // count the persisted gossip messages
if latest_persistence_log.elapsed().as_secs() >= 60 {
- println!("Persisting gossip message #{}", i);
+ log_info!(self.logger, "Persisting gossip message #{}", i);
latest_persistence_log = Instant::now();
}
self.persist_network_graph();
latest_graph_cache_time = Instant::now();
}
+ insert_limiter.acquire().await.unwrap().forget();
- match &gossip_message {
- GossipMessage::ChannelAnnouncement(announcement) => {
+ let limiter_ref = Arc::clone(&insert_limiter);
+ let connections_cache_ref = Arc::clone(&connections_cache);
+ match gossip_message {
+ GossipMessage::ChannelAnnouncement(announcement, seen_override) => {
let scid = announcement.contents.short_channel_id as i64;
- // scid is 8 bytes
- // block height is the first three bytes
- // to obtain block height, shift scid right by 5 bytes (40 bits)
- let block_height = (scid >> 5 * 8) as i32;
// start with the type prefix, which is already known a priori
let mut announcement_signed = Vec::new();
announcement.write(&mut announcement_signed).unwrap();
- let result = client
- .execute("INSERT INTO channel_announcements (\
- short_channel_id, \
- block_height, \
- announcement_signed \
- ) VALUES ($1, $2, $3) ON CONFLICT (short_channel_id) DO NOTHING", &[
- &scid,
- &block_height,
- &announcement_signed
- ]).await;
- if result.is_err() {
- panic!("error: {}", result.err().unwrap());
- }
+ let _task = tokio::spawn(async move {
+ let client;
+ {
+ let mut connections_set = connections_cache_ref.lock().await;
+ if connections_set.is_empty() {
+ mem::drop(connections_set);
+ client = crate::connect_to_db().await;
+ } else {
+ client = connections_set.pop().unwrap();
+ }
+ }
+ if cfg!(test) && seen_override.is_some() {
+ tokio::time::timeout(POSTGRES_INSERT_TIMEOUT, client
+ .execute("INSERT INTO channel_announcements (\
+ short_channel_id, \
+ announcement_signed, \
+ seen \
+ ) VALUES ($1, $2, TO_TIMESTAMP($3)) ON CONFLICT (short_channel_id) DO NOTHING", &[
+ &scid,
+ &announcement_signed,
+ &(seen_override.unwrap() as f64)
+ ])).await.unwrap().unwrap();
+ } else {
+ tokio::time::timeout(POSTGRES_INSERT_TIMEOUT, client
+ .execute("INSERT INTO channel_announcements (\
+ short_channel_id, \
+ announcement_signed \
+ ) VALUES ($1, $2) ON CONFLICT (short_channel_id) DO NOTHING", &[
+ &scid,
+ &announcement_signed
+ ])).await.unwrap().unwrap();
+ }
+ let mut connections_set = connections_cache_ref.lock().await;
+ connections_set.push(client);
+ limiter_ref.add_permits(1);
+ });
+ #[cfg(test)]
+ tasks_spawned.push(_task);
}
- GossipMessage::ChannelUpdate(update) => {
+ GossipMessage::ChannelUpdate(update, seen_override) => {
let scid = update.contents.short_channel_id as i64;
let timestamp = update.contents.timestamp as i64;
let direction = (update.contents.flags & 1) == 1;
let disable = (update.contents.flags & 2) > 0;
- let composite_index = hex_utils::to_composite_index(scid, timestamp, direction);
-
let cltv_expiry_delta = update.contents.cltv_expiry_delta as i32;
let htlc_minimum_msat = update.contents.htlc_minimum_msat as i64;
let fee_base_msat = update.contents.fee_base_msat as i32;
let mut update_signed = Vec::new();
update.write(&mut update_signed).unwrap();
- let result = client
- .execute("INSERT INTO channel_updates (\
- composite_index, \
+ let insertion_statement = if cfg!(test) {
+ "INSERT INTO channel_updates (\
short_channel_id, \
timestamp, \
+ seen, \
channel_flags, \
direction, \
disable, \
fee_proportional_millionths, \
htlc_maximum_msat, \
blob_signed \
- ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12) ON CONFLICT (composite_index) DO NOTHING", &[
- &composite_index,
- &scid,
- ×tamp,
- &(update.contents.flags as i32),
- &direction,
- &disable,
- &cltv_expiry_delta,
- &htlc_minimum_msat,
- &fee_base_msat,
- &fee_proportional_millionths,
- &htlc_maximum_msat,
- &update_signed
- ]).await;
- if result.is_err() {
- panic!("error: {}", result.err().unwrap());
- }
+ ) VALUES ($1, $2, TO_TIMESTAMP($3), $4, $5, $6, $7, $8, $9, $10, $11, $12) ON CONFLICT DO NOTHING"
+ } else {
+ "INSERT INTO channel_updates (\
+ short_channel_id, \
+ timestamp, \
+ channel_flags, \
+ direction, \
+ disable, \
+ cltv_expiry_delta, \
+ htlc_minimum_msat, \
+ fee_base_msat, \
+ fee_proportional_millionths, \
+ htlc_maximum_msat, \
+ blob_signed \
+ ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11) ON CONFLICT DO NOTHING"
+ };
+
+ // this may not be used outside test cfg
+ let _seen_timestamp = seen_override.unwrap_or(timestamp as u32) as f64;
+
+ let _task = tokio::spawn(async move {
+ let client;
+ {
+ let mut connections_set = connections_cache_ref.lock().await;
+ if connections_set.is_empty() {
+ mem::drop(connections_set);
+ client = crate::connect_to_db().await;
+ } else {
+ client = connections_set.pop().unwrap();
+ }
+ }
+ tokio::time::timeout(POSTGRES_INSERT_TIMEOUT, client
+ .execute(insertion_statement, &[
+ &scid,
+ ×tamp,
+ #[cfg(test)]
+ &_seen_timestamp,
+ &(update.contents.flags as i16),
+ &direction,
+ &disable,
+ &cltv_expiry_delta,
+ &htlc_minimum_msat,
+ &fee_base_msat,
+ &fee_proportional_millionths,
+ &htlc_maximum_msat,
+ &update_signed
+ ])).await.unwrap().unwrap();
+ let mut connections_set = connections_cache_ref.lock().await;
+ connections_set.push(client);
+ limiter_ref.add_permits(1);
+ });
+ #[cfg(test)]
+ tasks_spawned.push(_task);
}
}
}
+ #[cfg(test)]
+ for task in tasks_spawned {
+ task.await;
+ }
}
fn persist_network_graph(&self) {
- println!("Caching network graph…");
+ log_info!(self.logger, "Caching network graph…");
let cache_path = config::network_graph_cache_path();
let file = OpenOptions::new()
.create(true)
.truncate(true)
.open(&cache_path)
.unwrap();
- self.network_graph.remove_stale_channels();
+ self.network_graph.remove_stale_channels_and_tracking();
let mut writer = BufWriter::new(file);
self.network_graph.write(&mut writer).unwrap();
writer.flush().unwrap();
- println!("Cached network graph!");
+ log_info!(self.logger, "Cached network graph!");
}
}
projects / rapid-gossip-sync-server / blobdiff