veilid/veilid-wasm/src/veilid_routing_context_js.rs

330 lines
14 KiB
Rust

#![allow(non_snake_case)]
use super::*;
#[wasm_bindgen()]
pub struct VeilidRoutingContext {
inner_routing_context: RoutingContext,
}
#[wasm_bindgen()]
impl VeilidRoutingContext {
/// Create a new VeilidRoutingContext, without any privacy or sequencing settings.
#[wasm_bindgen(constructor)]
pub fn new() -> APIResult<VeilidRoutingContext> {
let veilid_api = get_veilid_api()?;
APIResult::Ok(VeilidRoutingContext {
inner_routing_context: veilid_api.routing_context(),
})
}
/// Same as `new VeilidRoutingContext()` except easier to chain.
pub fn create() -> APIResult<VeilidRoutingContext> {
VeilidRoutingContext::new()
}
// --------------------------------
// Static methods
// --------------------------------
/// Allocate a new private route set with default cryptography and network options.
/// Returns a route id and a publishable 'blob' with the route encrypted with each crypto kind.
/// Those nodes importing the blob will have their choice of which crypto kind to use.
///
/// Returns a route id and 'blob' that can be published over some means (DHT or otherwise) to be imported by another Veilid node.
pub async fn newPrivateRoute() -> APIResult<VeilidRouteBlob> {
let veilid_api = get_veilid_api()?;
let (route_id, blob) = veilid_api.new_private_route().await?;
let route_blob = VeilidRouteBlob { route_id, blob };
APIResult::Ok(route_blob)
}
/// Import a private route blob as a remote private route.
///
/// Returns a route id that can be used to send private messages to the node creating this route.
pub fn importRemotePrivateRoute(&self, blob: String) -> APIResult<RouteId> {
let blob = unmarshall(blob)?;
let veilid_api = get_veilid_api()?;
let route_id = veilid_api.import_remote_private_route(blob)?;
APIResult::Ok(route_id)
}
/// Allocate a new private route and specify a specific cryptosystem, stability and sequencing preference.
/// Returns a route id and a publishable 'blob' with the route encrypted with each crypto kind.
/// Those nodes importing the blob will have their choice of which crypto kind to use.
///
/// Returns a route id and 'blob' that can be published over some means (DHT or otherwise) to be imported by another Veilid node.
pub async fn newCustomPrivateRoute(
stability: Stability,
sequencing: Sequencing,
) -> APIResult<VeilidRouteBlob> {
let veilid_api = get_veilid_api()?;
let (route_id, blob) = veilid_api
.new_custom_private_route(&veilid_core::VALID_CRYPTO_KINDS, stability, sequencing)
.await?;
let route_blob = VeilidRouteBlob { route_id, blob };
APIResult::Ok(route_blob)
}
/// Release either a locally allocated or remotely imported private route.
///
/// This will deactivate the route and free its resources and it can no longer be sent to or received from.
pub fn releasePrivateRoute(route_id: String) -> APIResult<()> {
let route_id: veilid_core::RouteId = RouteId::from_str(&route_id)?;
let veilid_api = get_veilid_api()?;
veilid_api.release_private_route(route_id)?;
APIRESULT_UNDEFINED
}
/// Respond to an AppCall received over a VeilidUpdate::AppCall.
///
/// * `call_id` - specifies which call to reply to, and it comes from a VeilidUpdate::AppCall, specifically the VeilidAppCall::id() value.
/// * `message` - is an answer blob to be returned by the remote node's RoutingContext::app_call() function, and may be up to 32768 bytes
pub async fn appCallReply(call_id: String, message: Box<[u8]>) -> APIResult<()> {
let message = message.into_vec();
let call_id = match call_id.parse() {
Ok(v) => v,
Err(e) => {
return APIResult::Err(veilid_core::VeilidAPIError::invalid_argument(
e, "call_id", call_id,
))
}
};
let veilid_api = get_veilid_api()?;
veilid_api.app_call_reply(call_id, message).await?;
APIRESULT_UNDEFINED
}
// --------------------------------
// Instance methods
// --------------------------------
fn getRoutingContext(&self) -> APIResult<RoutingContext> {
APIResult::Ok(self.inner_routing_context.clone())
}
/// Turn on sender privacy, enabling the use of safety routes.
/// Returns a new instance of VeilidRoutingContext - does not mutate.
///
/// Default values for hop count, stability and sequencing preferences are used.
///
/// Hop count default is dependent on config, but is set to 1 extra hop.
/// Stability default is to choose 'low latency' routes, preferring them over long-term reliability.
/// Sequencing default is to have no preference for ordered vs unordered message delivery
pub fn withPrivacy(&self) -> APIResult<VeilidRoutingContext> {
let routing_context = self.getRoutingContext()?;
APIResult::Ok(VeilidRoutingContext {
inner_routing_context: routing_context.with_privacy()?,
})
}
/// Turn on privacy using a custom `SafetySelection`.
/// Returns a new instance of VeilidRoutingContext - does not mutate.
pub fn withCustomPrivacy(
&self,
safety_selection: SafetySelection,
) -> APIResult<VeilidRoutingContext> {
let routing_context = self.getRoutingContext()?;
APIResult::Ok(VeilidRoutingContext {
inner_routing_context: routing_context.with_custom_privacy(safety_selection)?,
})
}
/// Use a specified `Sequencing` preference.
/// Returns a new instance of VeilidRoutingContext - does not mutate.
pub fn withSequencing(&self, sequencing: Sequencing) -> APIResult<VeilidRoutingContext> {
let routing_context = self.getRoutingContext()?;
APIResult::Ok(VeilidRoutingContext {
inner_routing_context: routing_context.with_sequencing(sequencing),
})
}
/// App-level unidirectional message that does not expect any value to be returned.
///
/// Veilid apps may use this for arbitrary message passing.
///
/// @param {string} target - can be either a direct node id or a private route.
/// @param {string} message - an arbitrary message blob of up to `32768` bytes.
#[wasm_bindgen(skip_jsdoc)]
pub async fn appMessage(&self, target_string: String, message: Box<[u8]>) -> APIResult<()> {
let routing_context = self.getRoutingContext()?;
let message = message.into_vec();
let veilid_api = get_veilid_api()?;
let target = veilid_api.parse_as_target(target_string).await?;
routing_context.app_message(target, message).await?;
APIRESULT_UNDEFINED
}
/// App-level bidirectional call that expects a response to be returned.
///
/// Veilid apps may use this for arbitrary message passing.
///
/// @param {string} target_string - can be either a direct node id or a private route.
/// @param {Uint8Array} message - an arbitrary message blob of up to `32768` bytes.
/// @returns {Uint8Array} an answer blob of up to `32768` bytes.
#[wasm_bindgen(skip_jsdoc)]
pub async fn appCall(
&self,
target_string: String,
request: Box<[u8]>,
) -> APIResult<Uint8Array> {
let request: Vec<u8> = request.into_vec();
let routing_context = self.getRoutingContext()?;
let veilid_api = get_veilid_api()?;
let target = veilid_api.parse_as_target(target_string).await?;
let answer = routing_context.app_call(target, request).await?;
let answer = Uint8Array::from(answer.as_slice());
APIResult::Ok(answer)
}
/// DHT Records Creates a new DHT record a specified crypto kind and schema
///
/// The record is considered 'open' after the create operation succeeds.
///
/// @returns the newly allocated DHT record's key if successful.
pub async fn createDhtRecord(
&self,
schema: DHTSchema,
kind: String,
) -> APIResult<DHTRecordDescriptor> {
let crypto_kind = if kind.is_empty() {
None
} else {
Some(veilid_core::FourCC::from_str(&kind)?)
};
let routing_context = self.getRoutingContext()?;
let dht_record_descriptor = routing_context
.create_dht_record(schema, crypto_kind)
.await?;
APIResult::Ok(dht_record_descriptor)
}
/// Opens a DHT record at a specific key.
///
/// Associates a secret if one is provided to provide writer capability. Records may only be opened or created. To re-open with a different routing context, first close the value.
///
/// @returns the DHT record descriptor for the opened record if successful.
/// @param {string} writer - Stringified key pair, in the form of `key:secret` where `key` and `secret` are base64Url encoded.
/// @param {string} key - key of the DHT record.
#[wasm_bindgen(skip_jsdoc)]
pub async fn openDhtRecord(
&self,
key: String,
writer: Option<String>,
) -> APIResult<DHTRecordDescriptor> {
let key = TypedKey::from_str(&key)?;
let writer = writer
.map(|writer| KeyPair::from_str(&writer))
.map_or(APIResult::Ok(None), |r| r.map(Some))?;
let routing_context = self.getRoutingContext()?;
let dht_record_descriptor = routing_context.open_dht_record(key, writer).await?;
APIResult::Ok(dht_record_descriptor)
}
/// Closes a DHT record at a specific key that was opened with create_dht_record or open_dht_record.
///
/// Closing a record allows you to re-open it with a different routing context
pub async fn closeDhtRecord(&self, key: String) -> APIResult<()> {
let key = TypedKey::from_str(&key)?;
let routing_context = self.getRoutingContext()?;
routing_context.close_dht_record(key).await?;
APIRESULT_UNDEFINED
}
/// Deletes a DHT record at a specific key
///
/// If the record is opened, it must be closed before it is deleted.
/// Deleting a record does not delete it from the network, but will remove the storage of the record locally,
/// and will prevent its value from being refreshed on the network by this node.
pub async fn deleteDhtRecord(&self, key: String) -> APIResult<()> {
let key = TypedKey::from_str(&key)?;
let routing_context = self.getRoutingContext()?;
routing_context.delete_dht_record(key).await?;
APIRESULT_UNDEFINED
}
/// Gets the latest value of a subkey.
///
/// May pull the latest value from the network, but by settings 'force_refresh' you can force a network data refresh.
///
/// Returns `undefined` if the value subkey has not yet been set.
/// Returns a Uint8Array of `data` if the value subkey has valid data.
pub async fn getDhtValue(
&self,
key: String,
subKey: u32,
forceRefresh: bool,
) -> APIResult<Option<ValueData>> {
let key = TypedKey::from_str(&key)?;
let routing_context = self.getRoutingContext()?;
let res = routing_context
.get_dht_value(key, subKey, forceRefresh)
.await?;
APIResult::Ok(res)
}
/// Pushes a changed subkey value to the network
///
/// Returns `undefined` if the value was successfully put.
/// Returns a Uint8Array of `data` if the value put was older than the one available on the network.
pub async fn setDhtValue(
&self,
key: String,
subKey: u32,
data: Box<[u8]>,
) -> APIResult<Option<ValueData>> {
let key = TypedKey::from_str(&key)?;
let data = data.into_vec();
let routing_context = self.getRoutingContext()?;
let res = routing_context.set_dht_value(key, subKey, data).await?;
APIResult::Ok(res)
}
// pub async fn watchDhtValues(
// &self,
// key: String,
// subKeys: ValueSubkeyRangeSet,
// expiration: Timestamp,
// count: u32,
// ) -> APIResult<String> {
// let key: veilid_core::TypedKey = veilid_core::deserialize_json(&key).unwrap();
// let subkeys: veilid_core::ValueSubkeyRangeSet =
// veilid_core::deserialize_json(&subkeys).unwrap();
// let expiration = veilid_core::Timestamp::from_str(&expiration).unwrap();
// let routing_context = {
// let rc = (*ROUTING_CONTEXTS).borrow();
// let Some(routing_context) = rc.get(&id) else {
// return APIResult::Err(veilid_core::VeilidAPIError::invalid_argument("routing_context_watch_dht_values", "id", self.id));
// };
// routing_context.clone()
// };
// let res = routing_context
// .watch_dht_values(key, subkeys, expiration, count)
// .await?;
// APIResult::Ok(res.to_string())
// }
// pub async fn cancelDhtWatch(id: u32, key: String, subkeys: String) -> Promise {
// let key: veilid_core::TypedKey = veilid_core::deserialize_json(&key).unwrap();
// let subkeys: veilid_core::ValueSubkeyRangeSet =
// veilid_core::deserialize_json(&subkeys).unwrap();
// let routing_context = {
// let rc = (*ROUTING_CONTEXTS).borrow();
// let Some(routing_context) = rc.get(&id) else {
// return APIResult::Err(veilid_core::VeilidAPIError::invalid_argument("routing_context_cancel_dht_watch", "id", self.id));
// };
// routing_context.clone()
// };
// let res = routing_context.cancel_dht_watch(key, subkeys).await?;
// APIResult::Ok(res)
// }
}