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#![allow(unused_imports, clippy::ptr_arg, clippy::needless_lifetimes)]
use async_trait::async_trait;
use serde::{Deserialize, Serialize};
use std::{borrow::Cow, io::Write, string::ToString};
use wasmbus_rpc::{
deserialize, serialize, Context, Message, MessageDispatch, RpcError, RpcResult, SendOpts,
Timestamp, Transport,
};
pub const SMITHY_VERSION: &str = "1.0";
pub type HeaderMap = std::collections::HashMap<String, HeaderValues>;
pub type HeaderValues = Vec<String>;
#[derive(Clone, Debug, Default, Deserialize, Eq, PartialEq, Serialize)]
pub struct HttpRequest {
#[serde(default)]
pub method: String,
#[serde(default)]
pub path: String,
#[serde(rename = "queryString")]
#[serde(default)]
pub query_string: String,
pub header: HeaderMap,
#[serde(with = "serde_bytes")]
#[serde(default)]
pub body: Vec<u8>,
}
#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
pub struct HttpResponse {
#[serde(rename = "statusCode")]
pub status_code: u16,
pub header: HeaderMap,
#[serde(with = "serde_bytes")]
#[serde(default)]
pub body: Vec<u8>,
}
#[async_trait]
pub trait HttpServer {
fn contract_id() -> &'static str {
"wasmcloud:httpserver"
}
async fn handle_request(&self, ctx: &Context, arg: &HttpRequest) -> RpcResult<HttpResponse>;
}
#[doc(hidden)]
#[async_trait]
pub trait HttpServerReceiver: MessageDispatch + HttpServer {
async fn dispatch(&self, ctx: &Context, message: &Message<'_>) -> RpcResult<Message<'_>> {
match message.method {
"HandleRequest" => {
let value: HttpRequest = deserialize(message.arg.as_ref())
.map_err(|e| RpcError::Deser(format!("message '{}': {}", message.method, e)))?;
let resp = HttpServer::handle_request(self, ctx, &value).await?;
let buf = serialize(&resp)?;
Ok(Message {
method: "HttpServer.HandleRequest",
arg: Cow::Owned(buf),
})
}
_ => Err(RpcError::MethodNotHandled(format!(
"HttpServer::{}",
message.method
))),
}
}
}
#[derive(Debug)]
pub struct HttpServerSender<T: Transport> {
transport: T,
}
impl<T: Transport> HttpServerSender<T> {
pub fn via(transport: T) -> Self {
Self { transport }
}
pub fn set_timeout(&self, interval: std::time::Duration) {
self.transport.set_timeout(interval);
}
}
#[cfg(not(target_arch = "wasm32"))]
impl<'send> HttpServerSender<wasmbus_rpc::provider::ProviderTransport<'send>> {
pub fn for_actor(ld: &'send wasmbus_rpc::core::LinkDefinition) -> Self {
Self {
transport: wasmbus_rpc::provider::ProviderTransport::new(ld, None),
}
}
}
#[cfg(target_arch = "wasm32")]
impl HttpServerSender<wasmbus_rpc::actor::prelude::WasmHost> {
pub fn to_actor(actor_id: &str) -> Self {
let transport =
wasmbus_rpc::actor::prelude::WasmHost::to_actor(actor_id.to_string()).unwrap();
Self { transport }
}
}
#[async_trait]
impl<T: Transport + std::marker::Sync + std::marker::Send> HttpServer for HttpServerSender<T> {
#[allow(unused)]
async fn handle_request(&self, ctx: &Context, arg: &HttpRequest) -> RpcResult<HttpResponse> {
let buf = serialize(arg)?;
let resp = self
.transport
.send(
ctx,
Message {
method: "HttpServer.HandleRequest",
arg: Cow::Borrowed(&buf),
},
None,
)
.await?;
let value = deserialize(&resp)
.map_err(|e| RpcError::Deser(format!("response to {}: {}", "HandleRequest", e)))?;
Ok(value)
}
}