Start fetching events

httpclient/src/lib.rs

@@ -0,0 +1,27 @@
+use err::Error;
+use hyper::{Body, Method};
+use netpod::{AppendToUrl, ChannelConfigQuery, ChannelConfigResponse, NodeConfigCached};
+use url::Url;
+
+pub async fn get_channel_config(
+    q: &ChannelConfigQuery,
+    node_config: &NodeConfigCached,
+) -> Result<ChannelConfigResponse, Error> {
+    let mut url = Url::parse(&format!(
+        "http://{}:{}/api/4/channel/config",
+        "localhost", node_config.node.port
+    ))?;
+    q.append_to_url(&mut url);
+    let req = hyper::Request::builder()
+        .method(Method::GET)
+        .uri(url.as_str())
+        .body(Body::empty())?;
+    let client = hyper::Client::new();
+    let res = client.request(req).await?;
+    if !res.status().is_success() {
+        return Err(Error::with_msg("http client error"));
+    }
+    let buf = hyper::body::to_bytes(res.into_body()).await?;
+    let ret: ChannelConfigResponse = serde_json::from_slice(&buf)?;
+    Ok(ret)
+}