1 files changed, 38 insertions, 0 deletions
diff --git a/src/route.rs b/src/route.rs
new file mode 100644
index 0000000..436a14b
--- /dev/null
+++ b/src/route.rs
@@ -0,0 +1,38 @@
+use crate::error::{Error, Result};
+
+use std::net::Ipv4Addr;
+
+use futures_util::TryStreamExt;
+use tokio::runtime::Runtime;
+
+async fn do_add4(dst: Ipv4Addr, prefix_len: u8, rtr: Ipv4Addr, link: String) -> Result<()> {
+    let (conn, handle, _) = rtnetlink::new_connection()?;
+    tokio::spawn(conn);
+
+    let link = handle
+        .link()
+        .get()
+        .match_name(link.clone())
+        .execute()
+        .try_next()
+        .await?
+        .ok_or(Error::LinkNotFound(link))?;
+
+    let id = link.header.index;
+
+    handle
+        .route()
+        .add()
+        .v4()
+        .destination_prefix(dst, prefix_len)
+        .gateway(rtr)
+        .output_interface(id)
+        .execute()
+        .await?;
+
+    Ok(())
+}
+
+pub fn add4(dst: Ipv4Addr, prefix_len: u8, rtr: Ipv4Addr, link: String) -> Result<()> {
+    Runtime::new()?.block_on(do_add4(dst, prefix_len, rtr, link))
+}