/// 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,
- /// Returns the fee in msats willing to be paid to avoid routing through the given channel.
+ /// Returns the fee in msats willing to be paid to avoid routing through the given channel
+ /// in the direction from `source` to `target`.
#[must_use]
- pub channel_penalty_msat: extern "C" fn (this_arg: *const c_void, short_channel_id: u64) -> u64,
+ pub channel_penalty_msat: extern "C" fn (this_arg: *const c_void, short_channel_id: u64, source: &crate::lightning::routing::network_graph::NodeId, target: &crate::lightning::routing::network_graph::NodeId) -> u64,
+ /// Handles updating channel penalties after failing to route through a channel.
+ pub payment_path_failed: extern "C" fn (this_arg: *mut c_void, path: crate::c_types::derived::CVec_RouteHopZ, short_channel_id: u64),
+ /// Serialize the object into a byte array
+ pub write: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z,
/// 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)>,
Score {
this_arg: orig.this_arg,
channel_penalty_msat: Clone::clone(&orig.channel_penalty_msat),
+ payment_path_failed: Clone::clone(&orig.payment_path_failed),
+ write: Clone::clone(&orig.write),
free: Clone::clone(&orig.free),
}
}
+impl lightning::util::ser::Writeable for Score {
+ fn write<W: lightning::util::ser::Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
+ let vec = (self.write)(self.this_arg);
+ w.write_all(vec.as_slice())
+ }
+}
use lightning::routing::Score as rustScore;
impl rustScore for Score {
- fn channel_penalty_msat(&self, mut short_channel_id: u64) -> u64 {
- let mut ret = (self.channel_penalty_msat)(self.this_arg, short_channel_id);
+ fn channel_penalty_msat(&self, mut short_channel_id: u64, mut source: &lightning::routing::network_graph::NodeId, mut target: &lightning::routing::network_graph::NodeId) -> u64 {
+ let mut ret = (self.channel_penalty_msat)(self.this_arg, short_channel_id, &crate::lightning::routing::network_graph::NodeId { inner: unsafe { ObjOps::nonnull_ptr_to_inner((source as *const lightning::routing::network_graph::NodeId<>) as *mut _) }, is_owned: false }, &crate::lightning::routing::network_graph::NodeId { inner: unsafe { ObjOps::nonnull_ptr_to_inner((target as *const lightning::routing::network_graph::NodeId<>) as *mut _) }, is_owned: false });
ret
}
+ fn payment_path_failed(&mut self, mut path: &[&lightning::routing::router::RouteHop], mut short_channel_id: u64) {
+ let mut local_path = Vec::new(); for item in path.iter() { local_path.push( { crate::lightning::routing::router::RouteHop { inner: unsafe { ObjOps::nonnull_ptr_to_inner(((*item) as *const lightning::routing::router::RouteHop<>) as *mut _) }, is_owned: false } }); };
+ (self.payment_path_failed)(self.this_arg, local_path.into(), short_channel_id)
+ }
}
// We're essentially a pointer already, or at least a set of pointers, so allow us to be used
}
}
}
+
+use lightning::routing::LockableScore as nativeLockableScoreImport;
+pub(crate) type nativeLockableScore = nativeLockableScoreImport<crate::lightning::routing::Score>;
+
+/// A scorer that is accessed under a lock.
+///
+/// Needed so that calls to [`Score::channel_penalty_msat`] in [`find_route`] can be made while
+/// having shared ownership of a scorer but without requiring internal locking in [`Score`]
+/// implementations. Internal locking would be detrimental to route finding performance and could
+/// result in [`Score::channel_penalty_msat`] returning a different value for the same channel.
+///
+/// [`find_route`]: crate::routing::router::find_route
+#[must_use]
+#[repr(C)]
+pub struct LockableScore {
+ /// A pointer to the opaque Rust object.
+
+ /// Nearly everywhere, inner must be non-null, however in places where
+ /// the Rust equivalent takes an Option, it may be set to null to indicate None.
+ pub inner: *mut nativeLockableScore,
+ /// Indicates that this is the only struct which contains the same pointer.
+
+ /// Rust functions which take ownership of an object provided via an argument require
+ /// this to be true and invalidate the object pointed to by inner.
+ pub is_owned: bool,
+}
+
+impl Drop for LockableScore {
+ fn drop(&mut self) {
+ if self.is_owned && !<*mut nativeLockableScore>::is_null(self.inner) {
+ let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
+ }
+ }
+}
+/// Frees any resources used by the LockableScore, if is_owned is set and inner is non-NULL.
+#[no_mangle]
+pub extern "C" fn LockableScore_free(this_obj: LockableScore) { }
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn LockableScore_free_void(this_ptr: *mut c_void) {
+ unsafe { let _ = Box::from_raw(this_ptr as *mut nativeLockableScore); }
+}
+#[allow(unused)]
+impl LockableScore {
+ pub(crate) fn get_native_ref(&self) -> &'static nativeLockableScore {
+ unsafe { &*ObjOps::untweak_ptr(self.inner) }
+ }
+ pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeLockableScore {
+ unsafe { &mut *ObjOps::untweak_ptr(self.inner) }
+ }
+ /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
+ pub(crate) fn take_inner(mut self) -> *mut nativeLockableScore {
+ assert!(self.is_owned);
+ let ret = ObjOps::untweak_ptr(self.inner);
+ self.inner = std::ptr::null_mut();
+ ret
+ }
+}
+/// Constructs a new LockableScore from a Score
+#[must_use]
+#[no_mangle]
+pub extern "C" fn LockableScore_new(mut score: crate::lightning::routing::Score) -> LockableScore {
+ let mut ret = lightning::routing::LockableScore::new(score);
+ LockableScore { inner: ObjOps::heap_alloc(ret), is_owned: true }
+}
+
+#[no_mangle]
+/// Serialize the LockableScore object into a byte array which can be read by LockableScore_read
+pub extern "C" fn LockableScore_write(obj: &LockableScore) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
+}
+#[no_mangle]
+pub(crate) extern "C" fn LockableScore_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeLockableScore) })
+}
projects / ldk-c-bindings / blobdiff