[PATCH 2/3] rust: split main into example, refactor to lib.rs

[Harry van Haaren <harry.van.haaren@intel.com>]

Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
---
 rust_api_example/examples/eth_poll.rs    | 35 +++++++++++++++++++
 rust_api_example/src/{main.rs => lib.rs} | 43 ------------------------
 2 files changed, 35 insertions(+), 43 deletions(-)
 create mode 100644 rust_api_example/examples/eth_poll.rs
 rename rust_api_example/src/{main.rs => lib.rs} (77%)

diff --git a/rust_api_example/examples/eth_poll.rs b/rust_api_example/examples/eth_poll.rs
new file mode 100644
index 0000000000..cde28df68d
--- /dev/null
+++ b/rust_api_example/examples/eth_poll.rs
@@ -0,0 +1,35 @@
+// Examples should not require any "unsafe" code.
+#![deny(unsafe_code)]
+
+use rust_api_example::dpdk::{self};
+
+fn main() {
+    let mut dpdk = dpdk::Eal::init().expect("dpdk must init ok");
+    let rx_mempool = dpdk::Mempool::new(4096);
+
+    let mut ports = dpdk.take_eth_ports().expect("take eth ports ok");
+    let mut p = ports.pop().unwrap();
+
+    p.rxqs(2, rx_mempool).expect("rxqs setup ok");
+    println!("{:?}", p);
+
+    let (mut rxqs, _txqs) = p.start();
+    println!("rxqs: {:?}", rxqs);
+
+    let rxq1 = rxqs.pop().unwrap();
+    let rxq2 = rxqs.pop().unwrap();
+
+    std::thread::spawn(move || {
+        let mut rxq = rxq1.enable_polling();
+        loop {
+            let _nb_mbufs = rxq.rx_burst(&mut [0; 32]);
+            std::thread::sleep(std::time::Duration::from_millis(1000));
+        }
+    });
+
+    let mut rxq = rxq2.enable_polling();
+    loop {
+        let _nb_mbufs = rxq.rx_burst(&mut [0; 32]);
+        std::thread::sleep(std::time::Duration::from_millis(1000));
+    }
+}
\ No newline at end of file
diff --git a/rust_api_example/src/main.rs b/rust_api_example/src/lib.rs
similarity index 77%
rename from rust_api_example/src/main.rs
rename to rust_api_example/src/lib.rs
index 8d0de50c30..0d13b06d85 100644
--- a/rust_api_example/src/main.rs
+++ b/rust_api_example/src/lib.rs
@@ -144,46 +144,3 @@ pub mod dpdk {
         }
     }
 } // DPDK mod
-
-fn main() {
-    let mut dpdk = dpdk::Eal::init().expect("dpdk must init ok");
-    let rx_mempool = dpdk::Mempool::new(4096);
-
-    let mut ports = dpdk.take_eth_ports().expect("take eth ports ok");
-    let mut p = ports.pop().unwrap();
-
-    p.rxqs(2, rx_mempool).expect("rxqs setup ok");
-    println!("{:?}", p);
-
-    let (mut rxqs, _txqs) = p.start();
-    println!("rxqs: {:?}", rxqs);
-
-    let rxq1 = rxqs.pop().unwrap();
-    let rxq2 = rxqs.pop().unwrap();
-
-    // spawn a new thread to use rxq1. This demonstrates that the RxqHandle
-    // type can move between threads - it is not tied to the thread that created it.
-    std::thread::spawn(move || {
-        // Uncomment this: it fails to compile!
-        //   - Rxq2 would be used by this newly-spawned thread
-        //     -- specifically the variable was "moved" into this thread
-        //   - it is also used below (by the main thread)
-        // "value used after move" is the error, on the below code
-        // let mut rxq = rxq2.enable_polling();
-
-        // see docs on enable_polling above to understand how the enable_polling()
-        // function helps to achieve the thread-safety-at-compile-time goal.
-        let mut rxq = rxq1.enable_polling();
-        loop {
-            let _nb_mbufs = rxq.rx_burst(&mut [0; 32]);
-            std::thread::sleep(std::time::Duration::from_millis(1000));
-        }
-    });
-
-    // main thread polling rxq2
-    let mut rxq = rxq2.enable_polling();
-    loop {
-        let _nb_mbufs = rxq.rx_burst(&mut [0; 32]);
-        std::thread::sleep(std::time::Duration::from_millis(1000));
-    }
-}
-- 
2.34.1