From 61c6cd618370af8b313f046b1578d086a0142537 Mon Sep 17 00:00:00 2001
From: Matthias Schild <matthias@matthiasschild.de>
Date: Mon, 17 Aug 2026 18:52:27 +0200
Subject: [PATCH] feat: initial server

---
 server/.gitignore  |   1 +
 server/Cargo.lock  | 768 +++++++++++++++++++++++++++++++++++++++++++++
 server/Cargo.toml  |  15 +
 server/src/main.rs |  46 +++
 4 files changed, 830 insertions(+)
 create mode 100644 server/.gitignore
 create mode 100644 server/Cargo.lock
 create mode 100644 server/Cargo.toml
 create mode 100644 server/src/main.rs

diff --git a/server/.gitignore b/server/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/server/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/server/Cargo.lock b/server/Cargo.lock
new file mode 100644
index 0000000..2c23150
--- /dev/null
+++ b/server/Cargo.lock
@@ -0,0 +1,768 @@
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diff --git a/server/Cargo.toml b/server/Cargo.toml
new file mode 100644
index 0000000..e128aa6
--- /dev/null
+++ b/server/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+name = "server"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+anyhow = "1.0.104"
+open62541 = "0.12.0"
+open62541-sys = "0.6.1"
+time = "0.3.55"
+tokio = { version = "1.53.1", features = ["full"] }
+
+[build-dependencies]
+bindgen = "0.72.1"
+cc = "1.4.0"
diff --git a/server/src/main.rs b/server/src/main.rs
new file mode 100644
index 0000000..8656f9b
--- /dev/null
+++ b/server/src/main.rs
@@ -0,0 +1,46 @@
+use std::time::Duration;
+
+use anyhow::Result;
+use open62541::*;
+use open62541_sys::*;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    let (server, runner) = Server::new();
+
+    let object_node_id = server.add_object_node(ObjectNode {
+        requested_new_node_id: None,
+        parent_node_id: ua::NodeId::ns0(UA_NS0ID_OBJECTSFOLDER),
+        reference_type_id: ua::NodeId::ns0(UA_NS0ID_ORGANIZES),
+        browse_name: ua::QualifiedName::new(1, "TestMachine"),
+        type_definition: ua::NodeId::ns0(UA_NS0ID_FOLDERTYPE),
+        attributes: ua::ObjectAttributes::default(),
+    })?;
+
+    let variable_node_id = server.add_variable_node(VariableNode {
+        requested_new_node_id: None,
+        parent_node_id: object_node_id,
+        reference_type_id: ua::NodeId::ns0(UA_NS0ID_ORGANIZES),
+        browse_name: ua::QualifiedName::new(1, "SomeRandomValue"),
+        type_definition: ua::NodeId::ns0(UA_NS0ID_BASEDATAVARIABLETYPE),
+        attributes: ua::VariableAttributes::default()
+            .with_data_type(&ua::NodeId::ns0(UA_NS0ID_INT32)),
+    })?;
+
+    tokio::spawn(async move {
+        let mut counter = 0i32;
+        loop {
+            tokio::time::sleep(Duration::from_secs(1)).await;
+
+            let value = ua::Int32::new(counter);
+            server
+                .write_value(&variable_node_id, &ua::Variant::scalar(value))
+                .unwrap();
+
+            counter += 1;
+        }
+    });
+
+    runner.run_until_interrupt()?;
+    Ok(())
+}