Add torrent structs

src/lib.rs

@@ -0,0 +1,82 @@
+extern crate serde;
+extern crate serde_bencode;
+#[macro_use]
+extern crate serde_derive;
+extern crate serde_bytes;
+
+use serde_bencode::{de, ser};
+use serde_bytes::ByteBuf;
+
+#[derive(Debug, Deserialize)]
+struct Node(String, i64);
+
+#[derive(Debug, Serialize, Deserialize)]
+struct File {
+    path: Vec<String>,
+    length: i64,
+    #[serde(default)]
+    md5sum: Option<String>,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct Info {
+    name: String,
+    pieces: ByteBuf,
+    #[serde(rename = "piece length")]
+    piece_length: i64,
+    #[serde(default)]
+    md5sum: Option<String>,
+    #[serde(default)]
+    length: Option<i64>,
+    #[serde(default)]
+    files: Option<Vec<File>>,
+    #[serde(default)]
+    private: Option<u8>,
+    #[serde(default)]
+    path: Option<Vec<String>>,
+    #[serde(default)]
+    #[serde(rename = "root hash")]
+    root_hash: Option<String>,
+}
+
+#[derive(Debug, Deserialize)]
+struct Torrent {
+    info: Info,
+    #[serde(default)]
+    announce: Option<String>,
+    #[serde(default)]
+    nodes: Option<Vec<Node>>,
+    #[serde(default)]
+    encoding: Option<String>,
+    #[serde(default)]
+    httpseeds: Option<Vec<String>>,
+    #[serde(default)]
+    #[serde(rename = "announce-list")]
+    announce_list: Option<Vec<Vec<String>>>,
+    #[serde(default)]
+    #[serde(rename = "creation date")]
+    creation_date: Option<i64>,
+    #[serde(rename = "comment")]
+    comment: Option<String>,
+    #[serde(default)]
+    #[serde(rename = "created by")]
+    created_by: Option<String>,
+}
+
+impl Torrent {
+    pub fn open(path: &str) -> Torrent {
+        let b = std::fs::read(path).unwrap();
+        de::from_bytes::<Torrent>(&b).unwrap()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_read() {
+        let t = Torrent::open("test.torrent");
+        println!("{:?}", t);
+    }
+}