Implement vncclient creation

isototest/Cargo.toml

@@ -8,5 +8,5 @@ repository = "https://github.com/ByteOtter/isotest-ng/tree/main/isototest"
 license = "GPL-2.0"
 
 [dependencies]
-libvnc = "0.1.3"
-ruperl = "0.0.1-alpha.1"
+tokio = "1.38.1"
+vnc-rs = "0.5.1"

isototest/src/lib.rs

@@ -1,14 +1,33 @@
-pub fn add(left: usize, right: usize) -> usize {
-    left + right
+use vnc::{PixelFormat, VncClient, VncConnector, VncError};
+use tokio::{self, net::TcpStream};
+
+pub async fn create_vnc_client(target_ip: String, psw: Option<String>) -> Result<VncClient, VncError> {
+    let tcp: TcpStream = TcpStream::connect(target_ip).await?;
+    let vnc: VncClient = VncConnector::new(tcp)
+        .set_auth_method(async move { Ok(psw.unwrap())})
+        .add_encoding(vnc::VncEncoding::Tight)
+        .add_encoding(vnc::VncEncoding::Zrle)
+        .add_encoding(vnc::VncEncoding::CopyRect)
+        .add_encoding(vnc::VncEncoding::Raw)
+        .allow_shared(true)
+        .set_pixel_format(PixelFormat::bgra())
+        .build()?
+        .try_start()
+        .await?
+        .finish()?;
+
+    Ok(vnc)
 }
 
 #[cfg(test)]
 mod tests {
     use super::*;
+    use std::any::type_name_of_val;
+
 
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
-    }
+    #[tokio::test]
+    async fn test_build_client() {
+        let res = create_vnc_client("192.168.0.1".to_string(), Some("Hello".to_string()));
+        assert!(type_name_of_val(&res).contains("VncClient"));
+   }
 }