feat: change dummy c to a rust plugin example

src/plugins.rs

@@ -170,33 +170,28 @@ impl TryFrom<Library> for PluginImpl {
 #[cfg(target_os = "linux")]
 fn test_plugin() {
     use std::io::Write;
-
-    let code = "
-    const char* plugin_name(){return \"test_name\";};
-    const char* plugin_id(){return \"test_id\"; }
-    int plugin_init() {return 0;}
-    int plugin_dispose() {return 0;}
-    ";
-    let mut f = std::fs::File::create("test.c").unwrap();
-    f.write_all(code.as_bytes()).unwrap();
-    f.flush().unwrap();
-    let mut cmd = std::process::Command::new("cc");
-    cmd.arg("-fPIC")
-        .arg("-shared")
-        .arg("test.c")
-        .arg("-o")
-        .arg("libtest.so");
+    let mut cmd = std::process::Command::new("cargo");
+    cmd.current_dir("./examples/custom_plugin");
+    // Strip this shared library.
+    cmd.env("RUSTFLAGS", "-C link-arg=-s");
+    cmd.arg("build");
     // Spawn the compiler process.
     let mut child = cmd.spawn().unwrap();
     // Wait for the compiler to finish.
     let status = child.wait().unwrap();
     assert!(status.success());
     // Load the library.
-    let lib = unsafe { Library::new("./libtest.so").unwrap() };
+    let lib = unsafe {
+        Library::new("./examples/custom_plugin/target/debug/libcustom_plugin.so").unwrap()
+    };
     let plugin: PluginImpl = lib.try_into().unwrap();
     assert!(plugin._inner.is_some());
-    assert!(plugin.name == "test_name");
-    assert!(plugin.id == "test_id");
+    assert!(plugin.name == "A Template Rust Plugin");
+    assert!(plugin.id == "TemplatePlugin");
+    println!(
+        "plugin vt size: {}",
+        std::mem::size_of::<RustDeskPluginTable>()
+    );
     assert!(PLUGIN_REGISTRAR
         .plugins
         .write()