first commit

2026-05-21 23:47:36 +02:00
commit 546406a85a
14 changed files with 1163 additions and 0 deletions
@@ -0,0 +1,52 @@
+use std::time::Duration;
+
+const DEFAULT_MAX_CONCURRENT_EXECUTIONS: usize = 16;
+const DEFAULT_MAX_CONNECTED_DEVICES: usize = 10;
+const DEFAULT_MAX_EXECUTION_SECS: u64 = 3600;
+const DEFAULT_MAX_COMMAND_LENGTH: usize = 65_536;
+const DEFAULT_PING_INTERVAL_SECS: u64 = 30;
+const DEFAULT_PING_TIMEOUT_SECS: u64 = 10;
+
+pub struct Config {
+    pub max_concurrent_executions: usize,
+    pub max_connected_devices: usize,
+    pub max_execution_time: Duration,
+    pub max_command_length: usize,
+    pub ping_interval: Duration,
+    pub ping_timeout: Duration,
+}
+
+impl Config {
+    pub fn from_env() -> Self {
+        Self {
+            max_concurrent_executions: parse_env(
+                "MAX_CONCURRENT_EXECUTIONS",
+                DEFAULT_MAX_CONCURRENT_EXECUTIONS,
+            ),
+            max_connected_devices: parse_env(
+                "MAX_CONNECTED_DEVICES",
+                DEFAULT_MAX_CONNECTED_DEVICES,
+            ),
+            max_execution_time: Duration::from_secs(parse_env(
+                "MAX_EXECUTION_SECS",
+                DEFAULT_MAX_EXECUTION_SECS,
+            )),
+            max_command_length: parse_env("MAX_COMMAND_LENGTH", DEFAULT_MAX_COMMAND_LENGTH),
+            ping_interval: Duration::from_secs(parse_env(
+                "PING_INTERVAL_SECS",
+                DEFAULT_PING_INTERVAL_SECS,
+            )),
+            ping_timeout: Duration::from_secs(parse_env(
+                "PING_TIMEOUT_SECS",
+                DEFAULT_PING_TIMEOUT_SECS,
+            )),
+        }
+    }
+}
+
+fn parse_env<T: std::str::FromStr>(key: &str, default: T) -> T {
+    std::env::var(key)
+        .ok()
+        .and_then(|v| v.parse().ok())
+        .unwrap_or(default)
+}