feat: initial http and eco support

crates/lib/src/http.rs

@@ -0,0 +1,37 @@
+use crate::GDErrorKind::{PacketSend, ProtocolFormat, SocketConnect};
+use crate::{GDResult, TimeoutSettings};
+use reqwest::blocking::*;
+use serde::de::DeserializeOwned;
+use std::net::SocketAddr;
+
+pub struct HttpClient {
+    client: Client,
+    address: String,
+}
+
+impl HttpClient {
+    pub fn new(address: &SocketAddr, timeout_settings: &Option<TimeoutSettings>) -> GDResult<Self>
+    where Self: Sized {
+        let client = Client::builder()
+            .connect_timeout(TimeoutSettings::get_connect_or_default(timeout_settings))
+            .timeout(TimeoutSettings::get_connect_or_default(timeout_settings))
+            .build()
+            .map_err(|e| SocketConnect.context(e))?;
+
+        Ok(Self {
+            client,
+            address: format!("http://{}:{}", address.ip(), address.port()),
+        })
+    }
+
+    pub fn concat_path(&self, path: &str) -> String { format!("{}{}", self.address, path) }
+
+    pub fn request<T: DeserializeOwned>(&mut self, path: &str) -> GDResult<T> {
+        self.client
+            .get(self.concat_path(path))
+            .send()
+            .map_err(|e| PacketSend.context(e))?
+            .json::<T>()
+            .map_err(|e| ProtocolFormat.context(e))
+    }
+}