X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-c-bindings;a=blobdiff_plain;f=lightning-c-bindings%2Fsrc%2Frouting%2Frouter.rs;h=496781fae070a7beb8895222d18028451eebbde6;hp=32b4aebb926666e9d5a4bca6201189d5d636bb10;hb=a132c4d7f8648278537854ae08a83d704853ed42;hpb=b33df3ebba7af25aa0e53654953d8493406109ed diff --git a/lightning-c-bindings/src/routing/router.rs b/lightning-c-bindings/src/routing/router.rs index 32b4aeb..496781f 100644 --- a/lightning-c-bindings/src/routing/router.rs +++ b/lightning-c-bindings/src/routing/router.rs @@ -15,9 +15,15 @@ type nativeRouteHop = nativeRouteHopImport; #[must_use] #[repr(C)] pub struct RouteHop { + /// 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 nativeRouteHop, + /// 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, } @@ -28,8 +34,9 @@ impl Drop for RouteHop { } } } +/// Frees any resources used by the RouteHop, if is_owned is set and inner is non-NULL. #[no_mangle] -pub extern "C" fn RouteHop_free(this_ptr: RouteHop) { } +pub extern "C" fn RouteHop_free(this_obj: RouteHop) { } #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method extern "C" fn RouteHop_free_void(this_ptr: *mut c_void) { @@ -121,6 +128,7 @@ pub extern "C" fn RouteHop_get_cltv_expiry_delta(this_ptr: &RouteHop) -> u32 { pub extern "C" fn RouteHop_set_cltv_expiry_delta(this_ptr: &mut RouteHop, mut val: u32) { unsafe { &mut *this_ptr.inner }.cltv_expiry_delta = val; } +/// Constructs a new RouteHop given each field #[must_use] #[no_mangle] pub extern "C" fn RouteHop_new(mut pubkey_arg: crate::c_types::PublicKey, mut node_features_arg: crate::ln::features::NodeFeatures, mut short_channel_id_arg: u64, mut channel_features_arg: crate::ln::features::ChannelFeatures, mut fee_msat_arg: u64, mut cltv_expiry_delta_arg: u32) -> RouteHop { @@ -148,6 +156,7 @@ pub(crate) extern "C" fn RouteHop_clone_void(this_ptr: *const c_void) -> *mut c_ Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeRouteHop)).clone() })) as *mut c_void } #[no_mangle] +/// Creates a copy of the RouteHop pub extern "C" fn RouteHop_clone(orig: &RouteHop) -> RouteHop { orig.clone() } @@ -160,9 +169,15 @@ type nativeRoute = nativeRouteImport; #[must_use] #[repr(C)] pub struct Route { + /// 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 nativeRoute, + /// 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, } @@ -173,8 +188,9 @@ impl Drop for Route { } } } +/// Frees any resources used by the Route, if is_owned is set and inner is non-NULL. #[no_mangle] -pub extern "C" fn Route_free(this_ptr: Route) { } +pub extern "C" fn Route_free(this_obj: Route) { } #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method extern "C" fn Route_free_void(this_ptr: *mut c_void) { @@ -201,6 +217,7 @@ pub extern "C" fn Route_set_paths(this_ptr: &mut Route, mut val: crate::c_types: let mut local_val = Vec::new(); for mut item in val.into_rust().drain(..) { local_val.push( { let mut local_val_0 = Vec::new(); for mut item in item.into_rust().drain(..) { local_val_0.push( { *unsafe { Box::from_raw(item.take_inner()) } }); }; local_val_0 }); }; unsafe { &mut *this_ptr.inner }.paths = local_val; } +/// Constructs a new Route given each field #[must_use] #[no_mangle] pub extern "C" fn Route_new(mut paths_arg: crate::c_types::derived::CVec_CVec_RouteHopZZ) -> Route { @@ -224,10 +241,12 @@ pub(crate) extern "C" fn Route_clone_void(this_ptr: *const c_void) -> *mut c_voi Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeRoute)).clone() })) as *mut c_void } #[no_mangle] +/// Creates a copy of the Route pub extern "C" fn Route_clone(orig: &Route) -> Route { orig.clone() } #[no_mangle] +/// Serialize the Route object into a byte array which can be read by Route_read pub extern "C" fn Route_write(obj: &Route) -> crate::c_types::derived::CVec_u8Z { crate::c_types::serialize_obj(unsafe { &*unsafe { &*obj }.inner }) } @@ -236,6 +255,7 @@ pub(crate) extern "C" fn Route_write_void(obj: *const c_void) -> crate::c_types: crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeRoute) }) } #[no_mangle] +/// Read a Route from a byte array, created by Route_write pub extern "C" fn Route_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_RouteDecodeErrorZ { let res = crate::c_types::deserialize_obj(ser); let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::routing::router::Route { inner: Box::into_raw(Box::new(o)), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() }; @@ -249,9 +269,15 @@ type nativeRouteHint = nativeRouteHintImport; #[must_use] #[repr(C)] pub struct RouteHint { + /// 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 nativeRouteHint, + /// 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, } @@ -262,8 +288,9 @@ impl Drop for RouteHint { } } } +/// Frees any resources used by the RouteHint, if is_owned is set and inner is non-NULL. #[no_mangle] -pub extern "C" fn RouteHint_free(this_ptr: RouteHint) { } +pub extern "C" fn RouteHint_free(this_obj: RouteHint) { } #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method extern "C" fn RouteHint_free_void(this_ptr: *mut c_void) { @@ -338,11 +365,15 @@ pub(crate) extern "C" fn RouteHint_clone_void(this_ptr: *const c_void) -> *mut c Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeRouteHint)).clone() })) as *mut c_void } #[no_mangle] +/// Creates a copy of the RouteHint pub extern "C" fn RouteHint_clone(orig: &RouteHint) -> RouteHint { orig.clone() } /// Gets a route from us (payer) to the given target node (payee). /// +/// If the payee provided features in their invoice, they should be provided via payee_features. +/// Without this, MPP will only be used if the payee's features are available in the network graph. +/// /// Extra routing hops between known nodes and the target will be used if they are included in /// last_hops. /// @@ -358,10 +389,11 @@ pub extern "C" fn RouteHint_clone(orig: &RouteHint) -> RouteHint { /// equal), however the enabled/disabled bit on such channels as well as the /// htlc_minimum_msat/htlc_maximum_msat *are* checked as they may change based on the receiving node. #[no_mangle] -pub extern "C" fn get_route(mut our_node_id: crate::c_types::PublicKey, network: &crate::routing::network_graph::NetworkGraph, mut payee: crate::c_types::PublicKey, first_hops: *mut crate::c_types::derived::CVec_ChannelDetailsZ, mut last_hops: crate::c_types::derived::CVec_RouteHintZ, mut final_value_msat: u64, mut final_cltv: u32, mut logger: crate::util::logger::Logger) -> crate::c_types::derived::CResult_RouteLightningErrorZ { +pub extern "C" fn get_route(mut our_node_id: crate::c_types::PublicKey, network: &crate::routing::network_graph::NetworkGraph, mut payee: crate::c_types::PublicKey, mut payee_features: crate::ln::features::InvoiceFeatures, first_hops: *mut crate::c_types::derived::CVec_ChannelDetailsZ, mut last_hops: crate::c_types::derived::CVec_RouteHintZ, mut final_value_msat: u64, mut final_cltv: u32, mut logger: crate::util::logger::Logger) -> crate::c_types::derived::CResult_RouteLightningErrorZ { + let mut local_payee_features = if payee_features.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(payee_features.take_inner()) } }) }; let mut local_first_hops_base = if first_hops == std::ptr::null_mut() { None } else { Some( { let mut local_first_hops_0 = Vec::new(); for mut item in unsafe { &mut *first_hops }.as_slice().iter() { local_first_hops_0.push( { unsafe { &*item.inner } }); }; local_first_hops_0 }) }; let mut local_first_hops = local_first_hops_base.as_ref().map(|a| &a[..]); let mut local_last_hops = Vec::new(); for mut item in last_hops.as_slice().iter() { local_last_hops.push( { unsafe { &*item.inner } }); }; - let mut ret = lightning::routing::router::get_route(&our_node_id.into_rust(), unsafe { &*network.inner }, &payee.into_rust(), local_first_hops, &local_last_hops[..], final_value_msat, final_cltv, logger); + let mut ret = lightning::routing::router::get_route(&our_node_id.into_rust(), unsafe { &*network.inner }, &payee.into_rust(), local_payee_features, local_first_hops, &local_last_hops[..], final_value_msat, final_cltv, logger); let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::routing::router::Route { inner: Box::into_raw(Box::new(o)), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::ln::msgs::LightningError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() }; local_ret }