start Rust translation

Cargo.toml

+[package]
+name = "EntangleWare Control"
+version = "0.1.0"
+authors = [ "Will Huie <whui2@illinois.edu>",]
+edition = "2018"
+
+[dependencies]
+ndarray = "0.13.1"
+numpy = "0.12.1"
+socket = "0.0.7"
+
+[lib]
+path = "lib_rs/lib.rs"
+name = "lib"
+crate-type = [ "cdylib",]
+
+[dependencies.pyo3]
+version = "0.12.4"
+features = [ "extension-module",]

lib_rs/entangleware_control_link.rs

+use socket::{AF_INET, SOCK_DGRAM, IPPOTO_IP, IP_MULTICAST_TTL};
+use socket::Socket;
+
+const IPPROTO_UDP: u32 = 17;
+
+struct Udp_Multicaster {
+    MCAST_GRP: String,
+    MCAST_PORT: u32,
+    MCAST_TTL: u8,
+    sock: Socket
+}
+impl UdpMulticaster {
+    fn new(mcast_group: String, mcast_port: u32, mcast_ttl: u8) -> Self {
+        let sock: Socket = Socket::new(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+        sock.setsockopt(IPPROTO_IP, IP_MULTICAST_TTL, mcast_ttl);
+        return UdpMulticaster {
+            MCAST_GRP: mcast_group,
+            MCAST_PORT: mcast_port,
+            MCAST_TTL: mcast_ttl,
+            sock,
+        }
+    }
+
+    fn close(&self) {
+        self.sock.close();
+    }
+
+    fn sendmsg(&self, tcpport: u8) {
+
+    }
+}

setup.py

+from setuptools import setup
+from setuptools_rust import Binding, RustExtension
+import toml
+
+cargo_file = "Cargo.toml"
+cargo = toml.load(cargo_file)
+setup_requires = [
+    "setuptools",
+    "setuptools-rust"
+]
+
+source_files = [
+
+]
+extensions = [
+    RustExtension(
+        X.replace("lib_rs/", cargo["lib"]["name"]+".").replace("/", ".").replace(".rs", ""),
+        path=cargo_file,
+        binding=Binding.PyO3,
+        debug=False
+    ) for X in source_files
+]
+
+setup(
+    name=cargo["package"]["name"],
+    version=cargo["package"]["version"],
+    packages=[cargo["lib"]["name"]],
+    rust_extensions=extensions,
+    setup_requires=setup_requires,
+    zip_safe=False
+)
+