private void AsyncRequest(QueryCommand command, string method, HttpRemoteConnectionCallback callback)
{
if (string.IsNullOrEmpty(Token) || !IsInitialized)
throw new TokenException("Token has not been acquired. Use OpenAsync() method to acquire the token.");
var query = "/gui/" + command.ToQuery() + "&token=" + Token;
var request = CreateRequest(new Uri(Url, query), method);
var handler = new ManualResetEvent(false);
var result = string.Empty;
request.BeginGetResponse((asyncResult) =>
{
if (callback != null)
{
var req = (HttpWebRequest) asyncResult.AsyncState;
using (var resp = (HttpWebResponse) req.EndGetResponse(asyncResult))
using (var reader = new StreamReader(resp.GetResponseStream()))
{
var data = reader.ReadToEnd();
callback(data);
}
}
}, request);
}
/// <summary>
/// Executes target QueryCommand via GET request asynchronously and invokes callback when response arrives.
/// </summary>
public void GetAsync(QueryCommand command, HttpRemoteConnectionCallback callback)
{
AsyncRequest(command, "GET", callback);
}