/// [`ChannelManager`] persistence should be done in the background.
/// * Calling [`ChannelManager::timer_tick_occurred`] and [`PeerManager::timer_tick_occurred`]
/// at the appropriate intervals.
-/// * Calling [`NetworkGraph::remove_stale_channels`] (if a [`NetGraphMsgHandler`] is provided to
-/// [`BackgroundProcessor::start`]).
+/// * Calling [`NetworkGraph::remove_stale_channels`] (if a [`GossipSync`] with a [`NetworkGraph`]
+/// is provided to [`BackgroundProcessor::start`]).
///
/// It will also call [`PeerManager::process_events`] periodically though this shouldn't be relied
/// upon as doing so may result in high latency.
ret
}
}
-/// Trait that handles persisting a [`ChannelManager`] and [`NetworkGraph`] to disk.
+/// Either [`P2PGossipSync`] or [`RapidGossipSync`].
+#[must_use]
#[repr(C)]
-pub struct Persister {
- /// An opaque pointer which is passed to your function implementations as an argument.
- /// This has no meaning in the LDK, and can be NULL or any other value.
- pub this_arg: *mut c_void,
- /// Persist the given [`ChannelManager`] to disk, returning an error if persistence failed
- /// (which will cause the [`BackgroundProcessor`] which called this method to exit).
- #[must_use]
- pub persist_manager: extern "C" fn (this_arg: *const c_void, channel_manager: &crate::lightning::ln::channelmanager::ChannelManager) -> crate::c_types::derived::CResult_NoneErrorZ,
- /// Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
- #[must_use]
- pub persist_graph: extern "C" fn (this_arg: *const c_void, network_graph: &crate::lightning::routing::network_graph::NetworkGraph) -> crate::c_types::derived::CResult_NoneErrorZ,
- /// Frees any resources associated with this object given its this_arg pointer.
- /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
- pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
-}
-unsafe impl Send for Persister {}
-unsafe impl Sync for Persister {}
-#[no_mangle]
-pub(crate) extern "C" fn Persister_clone_fields(orig: &Persister) -> Persister {
- Persister {
- this_arg: orig.this_arg,
- persist_manager: Clone::clone(&orig.persist_manager),
- persist_graph: Clone::clone(&orig.persist_graph),
- free: Clone::clone(&orig.free),
- }
+pub enum GossipSync {
+ /// Gossip sync via the lightning peer-to-peer network as defined by BOLT 7.
+ P2P(
+ /// Note that this field is expected to be a reference.
+ crate::lightning::routing::gossip::P2PGossipSync),
+ /// Rapid gossip sync from a trusted server.
+ Rapid(
+ /// Note that this field is expected to be a reference.
+ crate::lightning_rapid_gossip_sync::RapidGossipSync),
+ /// No gossip sync.
+ None,
}
+use lightning_background_processor::GossipSync as GossipSyncImport;
+pub(crate) type nativeGossipSync = GossipSyncImport<&'static lightning::routing::gossip::P2PGossipSync<&'static lightning::routing::gossip::NetworkGraph<crate::lightning::util::logger::Logger>, crate::lightning::chain::Access, crate::lightning::util::logger::Logger>, &'static lightning_rapid_gossip_sync::RapidGossipSync<&'static lightning::routing::gossip::NetworkGraph<crate::lightning::util::logger::Logger>, crate::lightning::util::logger::Logger>, &'static lightning::routing::gossip::NetworkGraph<crate::lightning::util::logger::Logger>, crate::lightning::chain::Access, crate::lightning::util::logger::Logger>;
-use lightning_background_processor::Persister as rustPersister;
-impl rustPersister<crate::lightning::chain::keysinterface::Sign, crate::lightning::chain::Watch, crate::lightning::chain::chaininterface::BroadcasterInterface, crate::lightning::chain::keysinterface::KeysInterface, crate::lightning::chain::chaininterface::FeeEstimator, crate::lightning::util::logger::Logger> for Persister {
- fn persist_manager(&self, mut channel_manager: &lightning::ln::channelmanager::ChannelManager<crate::lightning::chain::keysinterface::Sign, crate::lightning::chain::Watch, crate::lightning::chain::chaininterface::BroadcasterInterface, crate::lightning::chain::keysinterface::KeysInterface, crate::lightning::chain::chaininterface::FeeEstimator, crate::lightning::util::logger::Logger>) -> Result<(), std::io::Error> {
- let mut ret = (self.persist_manager)(self.this_arg, &crate::lightning::ln::channelmanager::ChannelManager { inner: unsafe { ObjOps::nonnull_ptr_to_inner((channel_manager as *const lightning::ln::channelmanager::ChannelManager<_, _, _, _, _, _, >) as *mut _) }, is_owned: false });
- let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) })*/ }), false => Err( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) }).to_rust() })};
- local_ret
+impl GossipSync {
+ #[allow(unused)]
+ pub(crate) fn into_native(self) -> nativeGossipSync {
+ match self {
+ GossipSync::P2P (mut a, ) => {
+ nativeGossipSync::P2P (
+ a.get_native_ref(),
+ )
+ },
+ GossipSync::Rapid (mut a, ) => {
+ nativeGossipSync::Rapid (
+ a.get_native_ref(),
+ )
+ },
+ GossipSync::None => nativeGossipSync::None,
+ }
}
- fn persist_graph(&self, mut network_graph: &lightning::routing::network_graph::NetworkGraph) -> Result<(), std::io::Error> {
- let mut ret = (self.persist_graph)(self.this_arg, &crate::lightning::routing::network_graph::NetworkGraph { inner: unsafe { ObjOps::nonnull_ptr_to_inner((network_graph as *const lightning::routing::network_graph::NetworkGraph<>) as *mut _) }, is_owned: false });
- let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) })*/ }), false => Err( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) }).to_rust() })};
- local_ret
+ #[allow(unused)]
+ pub(crate) fn native_into(native: nativeGossipSync) -> Self {
+ match native {
+ nativeGossipSync::P2P (mut a, ) => {
+ GossipSync::P2P (
+ crate::lightning::routing::gossip::P2PGossipSync { inner: unsafe { ObjOps::nonnull_ptr_to_inner((a as *const lightning::routing::gossip::P2PGossipSync<_, _, _, >) as *mut _) }, is_owned: false },
+ )
+ },
+ nativeGossipSync::Rapid (mut a, ) => {
+ GossipSync::Rapid (
+ crate::lightning_rapid_gossip_sync::RapidGossipSync { inner: unsafe { ObjOps::nonnull_ptr_to_inner((a as *const lightning_rapid_gossip_sync::RapidGossipSync<_, _, >) as *mut _) }, is_owned: false },
+ )
+ },
+ nativeGossipSync::None => GossipSync::None,
+ }
}
}
-
-// We're essentially a pointer already, or at least a set of pointers, so allow us to be used
-// directly as a Deref trait in higher-level structs:
-impl core::ops::Deref for Persister {
- type Target = Self;
- fn deref(&self) -> &Self {
- self
- }
+/// Frees any resources used by the GossipSync
+#[no_mangle]
+pub extern "C" fn GossipSync_free(this_ptr: GossipSync) { }
+#[no_mangle]
+/// Utility method to constructs a new P2P-variant GossipSync
+pub extern "C" fn GossipSync_p2_p(a: &crate::lightning::routing::gossip::P2PGossipSync) -> GossipSync {
+ GossipSync::P2P(crate::lightning::routing::gossip::P2PGossipSync { inner: a.inner, is_owned: false }, )
}
-/// Calls the free function if one is set
#[no_mangle]
-pub extern "C" fn Persister_free(this_ptr: Persister) { }
-impl Drop for Persister {
- fn drop(&mut self) {
- if let Some(f) = self.free {
- f(self.this_arg);
- }
- }
+/// Utility method to constructs a new Rapid-variant GossipSync
+pub extern "C" fn GossipSync_rapid(a: &crate::lightning_rapid_gossip_sync::RapidGossipSync) -> GossipSync {
+ GossipSync::Rapid(crate::lightning_rapid_gossip_sync::RapidGossipSync { inner: a.inner, is_owned: false }, )
}
+#[no_mangle]
+/// Utility method to constructs a new None-variant GossipSync
+pub extern "C" fn GossipSync_none() -> GossipSync {
+ GossipSync::None}
/// Start a background thread that takes care of responsibilities enumerated in the [top-level
/// documentation].
///
///
/// [`Persister::persist_manager`] is responsible for writing out the [`ChannelManager`] to disk, and/or
/// uploading to one or more backup services. See [`ChannelManager::write`] for writing out a
-/// [`ChannelManager`]. See [`FilesystemPersister::persist_manager`] for Rust-Lightning's
+/// [`ChannelManager`]. See the `lightning-persister` crate for LDK's
/// provided implementation.
///
-/// [`Persister::persist_graph`] is responsible for writing out the [`NetworkGraph`] to disk. See
-/// [`NetworkGraph::write`] for writing out a [`NetworkGraph`]. See [`FilesystemPersister::persist_network_graph`]
-/// for Rust-Lightning's provided implementation.
+/// [`Persister::persist_graph`] is responsible for writing out the [`NetworkGraph`] to disk, if
+/// [`GossipSync`] is supplied. See [`NetworkGraph::write`] for writing out a [`NetworkGraph`].
+/// See the `lightning-persister` crate for LDK's provided implementation.
///
/// Typically, users should either implement [`Persister::persist_manager`] to never return an
/// error or call [`join`] and handle any error that may arise. For the latter case,
/// `event_handler` is responsible for handling events that users should be notified of (e.g.,
/// payment failed). [`BackgroundProcessor`] may decorate the given [`EventHandler`] with common
/// functionality implemented by other handlers.
-/// * [`NetGraphMsgHandler`] if given will update the [`NetworkGraph`] based on payment failures.
+/// * [`P2PGossipSync`] if given will update the [`NetworkGraph`] based on payment failures.
+///
+/// # Rapid Gossip Sync
+///
+/// If rapid gossip sync is meant to run at startup, pass [`RapidGossipSync`] via `gossip_sync`
+/// to indicate that the [`BackgroundProcessor`] should not prune the [`NetworkGraph`] instance
+/// until the [`RapidGossipSync`] instance completes its first sync.
///
/// [top-level documentation]: BackgroundProcessor
/// [`join`]: Self::join
/// [`stop`]: Self::stop
/// [`ChannelManager`]: lightning::ln::channelmanager::ChannelManager
/// [`ChannelManager::write`]: lightning::ln::channelmanager::ChannelManager#impl-Writeable
-/// [`FilesystemPersister::persist_manager`]: lightning_persister::FilesystemPersister::persist_manager
-/// [`FilesystemPersister::persist_network_graph`]: lightning_persister::FilesystemPersister::persist_network_graph
-/// [`NetworkGraph`]: lightning::routing::network_graph::NetworkGraph
-/// [`NetworkGraph::write`]: lightning::routing::network_graph::NetworkGraph#impl-Writeable
+/// [`Persister::persist_manager`]: lightning::util::persist::Persister::persist_manager
+/// [`Persister::persist_graph`]: lightning::util::persist::Persister::persist_graph
+/// [`NetworkGraph`]: lightning::routing::gossip::NetworkGraph
+/// [`NetworkGraph::write`]: lightning::routing::gossip::NetworkGraph#impl-Writeable
///
-/// Note that net_graph_msg_handler (or a relevant inner pointer) may be NULL or all-0s to represent None
+/// Note that scorer (or a relevant inner pointer) may be NULL or all-0s to represent None
#[must_use]
#[no_mangle]
-pub extern "C" fn BackgroundProcessor_start(mut persister: crate::lightning_background_processor::Persister, mut event_handler: crate::lightning::util::events::EventHandler, chain_monitor: &crate::lightning::chain::chainmonitor::ChainMonitor, channel_manager: &crate::lightning::ln::channelmanager::ChannelManager, mut net_graph_msg_handler: crate::lightning::routing::network_graph::NetGraphMsgHandler, peer_manager: &crate::lightning::ln::peer_handler::PeerManager, mut logger: crate::lightning::util::logger::Logger) -> crate::lightning_background_processor::BackgroundProcessor {
- let mut local_net_graph_msg_handler = if net_graph_msg_handler.inner.is_null() { None } else { Some( { net_graph_msg_handler.get_native_ref() }) };
- let mut ret = lightning_background_processor::BackgroundProcessor::start(persister, event_handler, chain_monitor.get_native_ref(), channel_manager.get_native_ref(), local_net_graph_msg_handler, peer_manager.get_native_ref(), logger);
+pub extern "C" fn BackgroundProcessor_start(mut persister: crate::lightning::util::persist::Persister, mut event_handler: crate::lightning::util::events::EventHandler, chain_monitor: &crate::lightning::chain::chainmonitor::ChainMonitor, channel_manager: &crate::lightning::ln::channelmanager::ChannelManager, mut gossip_sync: crate::lightning_background_processor::GossipSync, peer_manager: &crate::lightning::ln::peer_handler::PeerManager, mut logger: crate::lightning::util::logger::Logger, mut scorer: crate::lightning::routing::scoring::MultiThreadedLockableScore) -> crate::lightning_background_processor::BackgroundProcessor {
+ let mut local_scorer = if scorer.inner.is_null() { None } else { Some( { scorer.get_native_ref() }) };
+ let mut ret = lightning_background_processor::BackgroundProcessor::start(persister, event_handler, chain_monitor.get_native_ref(), channel_manager.get_native_ref(), gossip_sync.into_native(), peer_manager.get_native_ref(), logger, local_scorer);
crate::lightning_background_processor::BackgroundProcessor { inner: ObjOps::heap_alloc(ret), is_owned: true }
}