private void Join(RoleName from, RoleName to)
{
RunOn(() =>
{
Cluster.Join(Node(to).Address);
_nodeConfig = new AkkaNodeConfig(from.Name)
{
GossipTimeFrameInSeconds = 5
};
_messageSystem = AkkaXmlMessageSystem.Create(this.Sys);
}, from);
EnterBarrier(from.Name + "-joined");
}
static void StartRestServer(
AkkaMessageSystem <XmlMessage, XmlMessagePattern> system,
HttpServer restServer,
int port,
TimeSpan requestTimeout,
RestRequestConvertersRegistry <XmlMessage> registry)
{
restServer.RequestReceived += ConverterToHttpRequestEventHandler(registry, system, requestTimeout);
if (port != 0)
{
restServer.EndPoint = new System.Net.IPEndPoint(System.Net.IPAddress.Loopback, port);
}
restServer.Start();
Console.WriteLine(@"Rest server started and ready on endpoint : {0}", restServer.EndPoint);
}
static HttpRequestEventHandler ConverterToHttpRequestEventHandler(
RestRequestConvertersRegistry <XmlMessage> registry,
AkkaMessageSystem <XmlMessage, XmlMessagePattern> system,
TimeSpan requestTimeout)
=> (s, e) =>
{
try
{
RestRequest restRequest = HttpToRestRequest(e.Request);
var converter = registry.GetMatchingConverter(restRequest);
var matchingMessage = converter?.ConvertFromRequest(restRequest);
if (matchingMessage.HasValue)
{
if (matchingMessage.Value.expectResponse)
{
var response = system.SendMessageAndAwaitResponse(matchingMessage.Value.message, null, requestTimeout);
using (var writer = new StreamWriter(e.Response.OutputStream))
{
if (response != null)
{
var responseJson = converter.ConvertToResponse(response);
writer.Write(responseJson.ToString());
e.Response.ContentType = "application/json";
}
else
{
writer.Write(@"Cannot route message {0}", matchingMessage.Value.message);
e.Response.ContentType = "text/plain";
e.Response.StatusCode = 412;
}
}
}
else
{
system.SendMessage(matchingMessage.Value.message, null);
}
}
else
{
using (var writer = new StreamWriter(e.Response.OutputStream))
{
writer.Write(@"The request does not match any registered handler");
}
e.Response.ContentType = "text/plain";
e.Response.StatusCode = 404;
}
}
catch (JsonReaderException ex)
{
using (var writer = new StreamWriter(e.Response.OutputStream))
{
writer.Write(@"JSON is not valid : {0}", ex.Message);
}
e.Response.ContentType = "text/plain";
e.Response.StatusCode = 400;
}
catch (Exception ex)
{
using (var writer = new StreamWriter(e.Response.OutputStream))
{
writer.Write(@"Error : {0}", ex.Message);
}
e.Response.ContentType = "text/plain";
e.Response.StatusCode = 500;
}
};
