astralis/examples/RemoteAddress.vala

using Astralis;
using Invercargill;
using Invercargill.DataStructures;

/**
 * RemoteAddress Example
 * 
 * Demonstrates accessing client remote address information.
 */

// Endpoint that responds with client information
public class RemoteAddressEndpoint : Object, Endpoint {
    public string route { get { return "*"; } }
    public Method[] methods { owned get { return { Method.GET }; } }
    
    public async HttpResult handle_request(HttpContext context, RouteInformation route) throws Error {
        var request = context.request;
        
        // Access the remote address
        var remote_address = request.remote_address;
        
        // Build JSON response with client info using string interpolation
        var json = @"{
  \"method\": \"$(request.method)\",
  \"path\": \"$(request.raw_path)\",
  \"remote_address\": \"$(remote_address ?? "unknown")\",
  \"user_agent\": \"$(request.user_agent ?? "unknown")\"
}";
        
        var response = new HttpStringResult(json)
            .set_header("Content-Type", "application/json")
            .set_header("Access-Control-Allow-Origin", "*");
        
        // Log the request to console
        print(@"[$(get_current_time())] $(request.method) $(request.raw_path) from $(remote_address ?? "unknown")\n");
        
        return response;
    }
    
    private static string get_current_time() {
        var now = new DateTime.now_local();
        return now.format("%Y-%m-%d %H:%M:%S");
    }
}

void main() {
    var router = new EndpointRouter()
        .add_endpoint(new RemoteAddressEndpoint());
    
    var pipeline = new Pipeline()
        .add_component(router);

    var server = new Server(8080, pipeline);
    
    print("Remote Address Example Server running on port 8080\n");
    print("Try: http://localhost:8080/\n");
    
    server.run();
}