private async Task PingAndCheckServer(ServerSettings serverSettings)
{
var proxy = new CoreServiceProxy();
int apiComparison;
try
{
apiComparison = await proxy.Ping(Constants.RestApiVersion).ConfigureAwait(false);
}
catch (ArgusTVException ex)
{
throw new ArgusTVNotFoundException(ex, "'{0}:{1}' not found, is the service running?", serverSettings.ServerName, serverSettings.Port);
}
if (apiComparison < 0)
{
throw new ArgusTVException("ARGUS TV Recorder on server is more recent, upgrade client");
}
else if (apiComparison > 0)
{
throw new ArgusTVException("ARGUS TV Recorder on server is too old, upgrade server");
}
serverSettings.WakeOnLan.MacAddresses = String.Join(";", await proxy.GetMacAddresses().ConfigureAwait(false));
serverSettings.WakeOnLan.IPAddress = WakeOnLan.GetIPAddress(serverSettings.ServerName);
}
/// <exclude/>
protected async Task <HttpResponseMessage> ExecuteRequestAsync(HttpRequestMessage request, bool logError = true)
{
try
{
if (request.Method != HttpMethod.Get && request.Content == null)
{
// Work around current Mono bug.
request.Content = new ByteArrayContent(new byte[0]);
}
var response = await _client.SendAsync(request).ConfigureAwait(false);
if (response.StatusCode == System.Net.HttpStatusCode.InternalServerError)
{
var error = SimpleJson.DeserializeObject <RestError>(await response.Content.ReadAsStringAsync().ConfigureAwait(false));
throw new ArgusTVException(error.detail);
}
if (response.StatusCode >= HttpStatusCode.BadRequest)
{
throw new ArgusTVException(response.ReasonPhrase);
}
return(response);
}
catch (AggregateException ex)
{
if (IsConnectionError(ex.InnerException))
{
WakeOnLan.EnsureServerAwake(Proxies.ServerSettings);
throw new ArgusTVNotFoundException(ex.InnerException.InnerException.Message);
}
throw;
}
catch (ArgusTVException)
{
throw;
}
catch (Exception ex)
{
if (logError)
{
Proxies.Logger.Error(ex.ToString());
}
throw new ArgusTVUnexpectedErrorException("An unexpected error occured.");
}
}
private async Task <bool> InternalInitialize(ServerSettings serverSettings, bool throwError, IServiceProxyLogger logger, SourceLevels logLevel = SourceLevels.Error)
#endif
{
#if DOTNET4
lock (Instance._syncLock)
#else
using (await _asyncLock.LockAsync().ConfigureAwait(false))
#endif
{
ServerSettings previousServerSettings = _serverSettings;
bool previousIsInitialized = _isInitialized;
IServiceProxyLogger previousLogger = _logger;
try
{
_isInitialized = false;
_serverSettings = serverSettings;
_logger = logger ?? new DefaultLogger();
WakeOnLan.EnsureServerAwake(serverSettings);
DateTime firstTryTime = DateTime.Now;
for (; ;)
{
try
{
#if DOTNET4
PingAndCheckServer(serverSettings).Wait();
#else
await PingAndCheckServer(serverSettings).ConfigureAwait(false);
#endif
break;
}
catch
{
TimeSpan span = DateTime.Now - firstTryTime;
if (!serverSettings.WakeOnLan.Enabled ||
span.TotalSeconds >= serverSettings.WakeOnLan.TimeoutSeconds)
{
throw;
}
System.Threading.Thread.Sleep(1000);
}
}
}
catch
{
_serverSettings = previousServerSettings;
_logger = previousLogger;
_isInitialized = previousIsInitialized;
if (!throwError)
{
return(false);
}
throw;
}
ResetProxies();
_isInitialized = true;
return(true);
}
}