example: Add grpc client deps

examples/evpn_router/native/gobgp/.gitignore

@@ -0,0 +1,2 @@
+target
+Cargo.lock

examples/evpn_router/native/gobgp/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "gobgp"
+version = "0.1.0"
+authors = ["HansiHE <hansihe@hansihe.com>"]
+
+[lib]
+name = "gobgp"
+path = "src/lib.rs"
+crate-type = ["dylib"]
+
+[package.metadata.release]
+
+[dependencies]
+rustler = { git = "https://github.com/hansihe/rustler", branch = "remove_nif_from_types"}
+rustler_codegen = { git = "https://github.com/hansihe/rustler", branch = "remove_nif_from_types"}
+bufstream = "0.1.2" 
+lazy_static = "1.0.0"

examples/evpn_router/native/gobgp/build.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("cargo:rustc-link-search=native=../../vendor/libgobgp.so");
+}

examples/evpn_router/native/gobgp/src/gobgp_utils.rs

@@ -0,0 +1,40 @@
+/* automatically generated by rust-bindgen */
+
+#[derive(PartialEq, Copy, Clone, Hash, Debug, Default)]
+#[repr(C)]
+pub struct __BindgenComplex<T> {
+    pub re: T,
+    pub im: T,
+}
+
+pub type wchar_t = ::std::os::raw::c_int;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct max_align_t {
+    pub __clang_max_align_nonce1: ::std::os::raw::c_longlong,
+    pub __bindgen_padding_0: u64,
+    pub __clang_max_align_nonce2: f64,
+}
+
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct _GoString_ {
+    pub p: *const ::std::os::raw::c_char,
+    pub n: isize,
+}
+
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct buf {
+    pub value: *mut ::std::os::raw::c_char,
+    pub len: ::std::os::raw::c_int,
+}
+
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct path_t {
+    pub nlri: buf,
+    pub path_attributes: *mut *mut buf,
+    pub path_attributes_len: ::std::os::raw::c_int,
+    pub path_attributes_cap: ::std::os::raw::c_int,
+}

examples/evpn_router/native/gobgp/src/lib.rs

@@ -0,0 +1,27 @@
+#![allow(bad_style, missing_copy_implementations, improper_ctypes)]
+
+pub mod gobgp_utils;
+
+#[macro_use] extern crate rustler;
+#[macro_use] extern crate lazy_static;
+
+use rustler::{Env, Term, NifResult, Encoder};
+
+mod atoms {
+    rustler_atoms! {
+        atom ok;
+    }
+}
+
+rustler_export_nifs!(
+    "Elixir.EvpnRouter.GoBGP.NativeUtils",
+    [("get_route_family", 2, get_route_family)],
+    None
+);
+
+fn get_route_family<'a>(env: Env<'a>, args: &[Term<'a>]) -> NifResult<Term<'a>> {
+    let num1: i64 = args[0].decode()?;
+    let num2: i64 = args[1].decode()?;
+
+    Ok((atoms::ok(), num1 + num2).encode(env))
+}