Orbital (#16)

* Port previous ethernet scheme

* Add ipd

* Fix initfs rebuilds, use QEMU user networking addresses in ipd

* Add tcp/udp, netutils, dns, and network config

* Add fsync to network driver

* Add dns, router, subnet by default

* Fix e1000 driver. Make ethernet and IP non-blocking to avoid deadlocks

* Add orbital server, WIP

* Add futex

* Add orbutils and orbital

* Update libstd, orbutils, and orbital
Move ANSI key encoding to vesad

* Add orbital assets

* Update orbital

* Update to add login manager

* Add blocking primitives, block for most things except waitpid, update orbital

* Wait in waitpid and IRQ, improvements for other waits

* Fevent in root scheme

* WIP: Switch to using fevent

* Reorganize

* Event based e1000d driver

* Superuser-only access to some network schemes, display, and disk

* Superuser root and irq schemes

* Fix orbital

schemes/ipd/src/main.rs

@@ -0,0 +1,30 @@
+#![feature(rand)]
+
+extern crate resource_scheme;
+extern crate syscall;
+
+use std::fs::File;
+use std::io::{Read, Write};
+use std::thread;
+
+use resource_scheme::ResourceScheme;
+use syscall::Packet;
+
+use scheme::IpScheme;
+
+pub mod common;
+pub mod resource;
+pub mod scheme;
+
+fn main() {
+    thread::spawn(move || {
+        let mut socket = File::create(":ip").expect("ipd: failed to create ip scheme");
+        let scheme = IpScheme::new();
+        loop {
+            let mut packet = Packet::default();
+            socket.read(&mut packet).expect("ipd: failed to read events from ip scheme");
+            scheme.handle(&mut packet);
+            socket.write(&packet).expect("ipd: failed to write responses to ip scheme");
+        }
+    });
+}