update

examples/decode-torrent.rs

@@ -1,38 +0,0 @@
-extern crate magnolia;
-
-use std::env;
-use std::fs::File;
-use std::io::{self, Read};
-use std::thread;
-use std::time::Duration;
-use std::str;
-
-use magnolia::bencode::*;
-use magnolia::metainfo::Metainfo;
-use magnolia::tracker::http;
-use magnolia::net::session::Session;
-
-fn load_file(path: &str) -> io::Result<()> {
-    let mut buf = Vec::new();
-    let mut f = File::open(path)?;
-    f.read_to_end(&mut buf)?;
-
-    let obj = decode(&buf).unwrap();
-    let meta = Metainfo::from_bencode(obj).unwrap();
-
-    println!("{}", meta.pieces.len());
-
-    let s = Session::new();
-    s.add_torrent(meta);
-
-    loop {
-        thread::sleep(Duration::from_secs(1));
-    }
-
-    Ok(())
-}
-
-fn main() {
-    let path = env::args().nth(1).expect("need path to .torrent file");
-    load_file(&path).unwrap();
-}

examples/print_metainfo.rs

@@ -0,0 +1,19 @@
+extern crate failure;
+extern crate magnolia;
+
+use std::env;
+
+use failure::Fail;
+use magnolia::metainfo::Metainfo;
+
+fn main() {
+    let args: Vec<String> = env::args().collect();
+    match Metainfo::open(&args[1]) {
+        Ok(meta) => println!("{:?}", meta),
+        Err(e) => {
+            for cause in e.causes() {
+                println!("{}", cause);
+            }
+        }
+    }
+}