Persistence Checlk

Signed-off-by: Sebastian Schildt <sebastian.schildt@de.bosch.com>

kuksa-persistence-provider/Cargo.toml

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+[package]
+name = "kuksa-persistence-provider"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+clap = { version = "4.5.20", features = ["derive"] }
+tinyjson = "2.5.1"

kuksa-persistence-provider/config.json

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+{
+    "restore-only": [
+        "Vehicle.Speed",
+        "Vehicle.Engine.RPM"
+    ],
+    "restore-and-watch": [
+        "Vehicle.D",
+        "Vehicle.X"
+    ],
+    "state-storage": {
+        "type": "file",
+        "path": "state.json"
+    }
+}

kuksa-persistence-provider/src/main.rs

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+
+use std::path::PathBuf;
+use clap::Parser;
+use tinyjson::JsonValue;
+
+#[derive(Parser)]
+#[command(version, about, long_about = None)]
+struct CmdLine {
+    /// JSON file containing the configuration
+    #[arg(short, long, value_name = "FILE")]
+    config: Option<PathBuf>,
+
+    /// Turn debugging information on
+    #[arg(short, long, action = clap::ArgAction::Count)]
+    debug: u8,
+}
+
+fn main() {
+    let args = CmdLine::parse();
+
+    let config = args.config.unwrap_or_else(|| PathBuf::from("config.json"));
+
+    //Check config exists
+    if !config.exists() {
+        eprintln!("Error: Can not find configuration at {}", config.display());
+        std::process::exit(1);
+    }
+
+    println!("Reading configuration from: {}", config.display());
+    // Reading configuration file into a string
+    let config_str = std::fs::read_to_string(config).unwrap();
+
+    println!("Configuration: {}", config_str);
+
+    let parsed: JsonValue = config_str.parse().unwrap();
+    println!("Parsed: {:?}", parsed);
+
+
+
+    println!("Hello, world!");
+}