/// <inheritdoc />
public async Task <BridgeResponse> ProcessBridgeRequest(BridgeParameters parameters, CancellationToken cancellationToken)
{
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
IBridgeHandler bridgeHandler = null;
for (var i = 0; bridgeHandler == null && i < 30; ++i)
{
// There's a miniscule time period where we could potentially receive a bridge request and not have the registration ready when we launch DD
// This is a stopgap
Task delayTask = Task.CompletedTask;
lock (bridgeHandlers)
if (!bridgeHandlers.TryGetValue(parameters.AccessIdentifier, out bridgeHandler))
{
delayTask = asyncDelayer.Delay(TimeSpan.FromMilliseconds(100), cancellationToken);
}
await delayTask.ConfigureAwait(false);
}
if (bridgeHandler == null)
{
lock (bridgeHandlers)
if (!bridgeHandlers.TryGetValue(parameters.AccessIdentifier, out bridgeHandler))
{
logger.LogWarning("Recieved invalid bridge request with accees identifier: {0}", parameters.AccessIdentifier);
return(null);
}
}
return(await bridgeHandler.ProcessBridgeRequest(parameters, cancellationToken).ConfigureAwait(false));
}
/// <inheritdoc />
public IBridgeRegistration RegisterHandler(IBridgeHandler bridgeHandler)
{
if (bridgeHandler == null)
{
throw new ArgumentNullException(nameof(bridgeHandler));
}
var accessIdentifier = bridgeHandler.DMApiParameters.AccessIdentifier;
lock (bridgeHandlers)
{
bridgeHandlers.Add(accessIdentifier, bridgeHandler);
logger.LogTrace("Registered bridge handler: {0}", accessIdentifier);
}
return(new BridgeRegistration(() =>
{
lock (bridgeHandlers)
{
bridgeHandlers.Remove(accessIdentifier);
logger.LogTrace("Unregistered bridge handler: {0}", accessIdentifier);
}
}));
}
/// <summary>
/// Raises the <see cref="PushJavascript" /> event using provided arguments
/// </summary>
/// <param name="sender">The IBridgeHandler instance that raised the event</param>
/// <param name="eventArgs">The arguments to be used to raise <see cref="PushJavascript" /> event</param>
/// <returns>Returns the result of raising <see cref="PushJavascript" /> event</returns>
protected virtual object OnPushJavascript(IBridgeHandler sender, PushJavascriptEventArgs eventArgs)
{
return(PushJavascript?.Invoke(this, eventArgs));
}
