chore: reorg

__web/reqwest/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "reqwest"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+async-trait = "0.1.30"
+tokio = { version = "0.2.6", features = ["full"] }
+reqwest = "0.10.4"
+

__web/reqwest/src/main.rs

@@ -0,0 +1,63 @@
+use std::env;
+use std::collections::HashMap;
+
+#[tokio::main]
+pub async fn main() {
+    let a = match env::args().nth(1) {
+        Some(a) => a, None => {
+            println!("[ERROR] No args");
+            return;
+        },
+    };
+    let mut map: HashMap<_, Box<dyn Call>> = HashMap::new();
+    map.insert("1", Box::new(T001{}) );
+    map.insert("2", Box::new(T002{}) );
+
+    let c = match map.get(a.as_str()) {
+        Some(c) => c, None => {
+            println!("[ERROR] Cannot find {}", a);
+            return;
+        },
+    };
+
+    match c.call().await {
+        Ok(_) => println!("[OK] Call fn ok: {}", a),
+        Err(err) => println!("[ERROR] Call fn error: {}, message: {}", a, err),
+    }
+}
+
+#[async_trait::async_trait]
+trait Call {
+    async fn call(&self) -> Result<(), Box<dyn std::error::Error>>;
+}
+
+struct T001();
+#[async_trait::async_trait]
+impl Call for T001 {
+    async fn call(&self) -> Result<(), Box<dyn std::error::Error>> {
+        let ip = reqwest::get("https://hatter.ink/ip/ip.jsonp").await?.text().await?;
+        println!("{}", ip);
+        Ok(())
+    }
+}
+
+struct T002();
+#[async_trait::async_trait]
+impl Call for T002 {
+    async fn call(&self) -> Result<(), Box<dyn std::error::Error>> {
+        // let resp = reqwest::get("https://hatter.ink/ip/ip.jsonp").await?;
+        // use std::io::Read;
+
+        // let mut buff = [0_u8; 1024];
+
+        // loop {
+        //     match resp.read(buff) {
+        //         Ok(_) => (),
+        //         Err(_) => (),
+        //     }
+        // }
+        
+        println!("Hello World 2");
+        Ok(())
+    }
+}