private static Message GetNextMessage()
{
var message = new Message();
// There may be additional ZMQ identities attached; read until the delimiter <IDS|MSG>"
// and store them in message.identifiers
// http://ipython.org/ipython-doc/dev/development/messaging.html#the-wire-protocol
var delimAsBytes = Encoding.ASCII.GetBytes(Constants.Delimiter);
while (true)
{
var delim = ShellRouterSocket.ReceiveFrameBytes();
if (delim.SequenceEqual(delimAsBytes))
{
break;
}
message.Identifiers.Add(delim);
}
// Getting Hmac
message.HMac = ShellRouterSocket.ReceiveFrameString();
Log.Info(message.HMac);
// Getting Header
var header = ShellRouterSocket.ReceiveFrameString();
Log.Info(header);
message.Header = JsonSerializer.Deserialize <Header>(header);
// Getting parent header
var parentHeader = ShellRouterSocket.ReceiveFrameString();
Log.Info(parentHeader);
message.ParentHeader = JsonSerializer.Deserialize <Header>(parentHeader);
// Getting metadata
var metadata = ShellRouterSocket.ReceiveFrameString();
Log.Info(metadata);
message.Metadata = JsonSerializer.Deserialize <Dictionary <string, object> >(metadata);
// Getting content
var content = ShellRouterSocket.ReceiveFrameString();
Log.Info(content);
message.Content = content;
return(message);
}
public void Execute()
{
using (var reporterFinisher = new PublisherSocket(PUBLISHER))
using (var jobFinisher = new RouterSocket(ROUTER))
{
Console.WriteLine("Finisher ONNNNNNNNNNNNNNNNNN");
Console.WriteLine($"Listening running on: {ROUTER}");
while (true)
{
try
{
var identity = jobFinisher.ReceiveFrameString();
Console.WriteLine("identity: " + identity);
var message = jobFinisher.ReceiveFrameString();
Console.WriteLine("message: " + message);
var envelope = Newtonsoft.Json.JsonConvert.DeserializeObject <Envelope>(message);
if (_validatedMessages.ContainsKey(envelope.Identity))
{
var validatedMessage = _validatedMessages[envelope.Identity];
Console.WriteLine("Localizado " + envelope.Identity);
validatedMessage.Count++;
validatedMessage.Message.ValidationMessages.AddRange(envelope.ValidationMessages);
if (validatedMessage.Count == 3)
{
var json = Newtonsoft.Json.JsonConvert.SerializeObject(validatedMessage.Message);
reporterFinisher.SendMoreFrame(envelope.Identity).SendFrame(json);
Console.WriteLine("Finisher sending " + envelope.Identity);
_setCachedValueCommand.Execute(new SetCacheParameter(envelope.Identity, json));
_validatedMessages.Remove(envelope.Identity);
}
}
else
{
Console.WriteLine("Criado " + envelope.Identity);
var validated = new ValidatedMessage(envelope);
validated.Count++;
_validatedMessages.Add(envelope.Identity, validated);
}
}
catch (Exception ex) //Drop message
{
Console.WriteLine("Erro na validação do dado: " + ex.Message);
}
}
}
}
public void HasInTest()
{
using (var server = new RouterSocket())
using (var client = new DealerSocket())
{
var port = server.BindRandomPort("tcp://*");
// no one sent a message so it should be false
Assert.IsFalse(server.HasIn);
client.Connect("tcp://localhost:" + port);
// wait for the client to connect
Thread.Sleep(100);
// now we have one client connected but didn't send a message yet
Assert.IsFalse(server.HasIn);
client.SendFrame("1");
// wait for the message to arrive
Thread.Sleep(100);
// the has in should indicate a message is ready
Assert.IsTrue(server.HasIn);
server.SkipFrame(); // identity
string message = server.ReceiveFrameString();
Assert.AreEqual(message, "1");
// we read the message, it should false again
Assert.IsFalse(server.HasIn);
}
}
public void Messages_From_Router_To_Dealer()
{
Console.Write("Test sending message from publisher(router) to subscribers (dealer).\n");
var maxMessage = 5;
var cd = new CountdownEvent(maxMessage);
string endpoint;
using (var publisher = new RouterSocket())
using (var subscriber = new DealerSocket())
using (var poller = new NetMQPoller {
subscriber
})
{
publisher.Bind("tcp://127.0.0.1:0");
endpoint = publisher.Options.LastEndpoint;
subscriber.Connect(endpoint);
subscriber.ReceiveReady += (sender, e) =>
{
var strs = e.Socket.ReceiveMultipartStrings();
foreach (var str in strs)
{
Console.WriteLine("Subscribe: " + str);
}
cd.Signal();
};
var clientId = Encoding.Unicode.GetBytes("ClientId");
subscriber.Options.Identity = clientId;
const string request = "Ping";
// Work around "feature" of router/dealer: the publisher does not know the subscriber exists, until it
// sends at least one message which makes it necessary to open the connection. I believe this is a
// low-level feature of the TCP/IP transport.
subscriber.SendFrame(request); // Ping.
var serverId = publisher.ReceiveFrameBytes();
Assert.AreEqual(request, publisher.ReceiveFrameString());
for (var i = 0; i < maxMessage; i++)
{
var msg = string.Format("[message: {0}]", i);
Console.Write("Publish: {0}\n", msg);
publisher.SendMoreFrame(serverId).SendFrame(msg);
}
poller.RunAsync();
if (cd.Wait(TimeSpan.FromSeconds(10)) == false) // Blocks until _countdown.Signal has been called.
{
Assert.Fail("Timed out, this test should complete in less than 10 seconds.");
}
}
}
void VentilatorCommand_SendCommand(DealerSocket ventilatorCommand, RouterSocket command)
{
#region communication ventilatorCommand to Commander
var msgCommand = new NetMQMessage();
msgCommand.AppendEmptyFrame();
msgCommand.Append("HELLO");
ventilatorCommand.SendMultipartMessage(msgCommand);
_testOutputHelper.WriteLine("Send Hello to command processor");
Task.Delay(1000);
var messageCommandID = command.ReceiveFrameString();
command.ReceiveFrameString();
var messageCommandCommand = command.ReceiveFrameString();
_testOutputHelper.WriteLine("Received Command: {0} {1}", messageCommandID, messageCommandCommand);
#endregion
}
void VentilatorQuery_SendQuery(DealerSocket ventilatorQuery, RouterSocket query)
{
#region communication ventilatorQuery to Querier
var msgQuery = new NetMQMessage();
msgQuery.AppendEmptyFrame();
msgQuery.Append("HELLO");
ventilatorQuery.SendMultipartMessage(msgQuery);
_testOutputHelper.WriteLine("Send Hello to query processor");
Task.Delay(1000);
var messageQueryID = query.ReceiveFrameString();
query.ReceiveFrameString();
var messageQueryCommand = query.ReceiveFrameString();
_testOutputHelper.WriteLine("Received Query: {0} {1}", messageQueryID, messageQueryCommand);
#endregion
}
public void Messages_From_Dealer_To_Router()
{
var maxMessage = 5;
var cd = new CountdownEvent(maxMessage);
Console.Write("Test sending message from subscribers (dealer) to publisher(router).\n");
using (var publisher = new RouterSocket())
using (var subscriber = new DealerSocket())
using (var poller = new NetMQPoller {
subscriber
})
{
var port = publisher.BindRandomPort("tcp://*");
subscriber.Connect("tcp://127.0.0.1:" + port);
subscriber.ReceiveReady += (sender, e) =>
{
var strs = e.Socket.ReceiveMultipartStrings();
foreach (var str in strs)
{
Console.WriteLine(str);
}
cd.Signal();
};
var clientId = Encoding.Unicode.GetBytes("ClientId");
subscriber.Options.Identity = clientId;
const string request = "GET /\r\n";
const string response = "HTTP/1.0 200 OK\r\n" +
"Content-Type: text/plain\r\n" +
"\r\n" +
"Hello, World!";
subscriber.SendFrame(request);
var serverId = publisher.ReceiveFrameBytes();
Assert.AreEqual(request, publisher.ReceiveFrameString());
for (var i = 0; i < maxMessage; i++)
{
publisher.SendMoreFrame(serverId).SendFrame(response);
}
poller.RunAsync();
if (cd.Wait(TimeSpan.FromSeconds(10)) == false) // Blocks until _countdown.Signal has been called.
{
Assert.Fail("Timed out, this test should complete in less than 10 seconds.");
}
}
}
public void Mandatory()
{
using (var router = new RouterSocket())
{
router.Options.RouterMandatory = true;
router.Bind("tcp://127.0.0.1:5555");
using (var dealer = new DealerSocket())
{
dealer.Options.Identity = Encoding.ASCII.GetBytes("1");
dealer.Connect("tcp://127.0.0.1:5555");
dealer.SendFrame("Hello");
Assert.AreEqual("1", router.ReceiveFrameString());
Assert.AreEqual("Hello", router.ReceiveFrameString());
}
Thread.Sleep(100);
Assert.Throws <HostUnreachableException>(() => router.SendMoreFrame("1").SendFrame("Hello"));
}
}
public static void Main()
{
var workers = new List<Thread>(WorkersCount);
using (var client = new RouterSocket())
{
string cnn = $"tcp://localhost:{PortNumber}";
client.Bind(cnn);
Console.WriteLine("[B] Connect to {0}", cnn);
for (int workerNumber = 0; workerNumber < WorkersCount; workerNumber++)
{
workers.Add(new Thread(WorkerTask));
workers[workerNumber].Start(PortNumber);
}
for (int taskNumber = 0; taskNumber < WorkersCount*10; taskNumber++)
{
// LRU worker is next waiting in queue
string address = client.ReceiveFrameString();
//Console.WriteLine("[B] Message received: {0}", address);
string empty = client.ReceiveFrameString();
//Console.WriteLine("[B] Message received: {0}", empty);
string ready = client.ReceiveFrameString();
//Console.WriteLine("[B] Message received: {0}", ready);
client.SendMoreFrame(address);
//Console.WriteLine("[B] Message sent: {0}", address);
client.SendMoreFrame("");
//Console.WriteLine("[B] Message sent: {0}", "");
client.SendFrame("This is the workload");
//Console.WriteLine("[B] Message sent: {0}", "This is the workload");
}
// Now ask mamas to shut down and report their results
for (int taskNbr = 0; taskNbr < WorkersCount; taskNbr++)
{
string address = client.ReceiveFrameString();
//Console.WriteLine("[B] Message received: {0}", address);
string empty = client.ReceiveFrameString();
//Console.WriteLine("[B] Message received: {0}", empty);
string ready = client.ReceiveFrameString();
//Console.WriteLine("[B] Message received: {0}", ready);
client.SendMoreFrame(address);
//Console.WriteLine("[B] Message sent: {0}", address);
client.SendMoreFrame("");
//Console.WriteLine("[B] Message sent: {0}", "");
client.SendFrame("END");
//Console.WriteLine("[B] Message sent: {0}", "END");
}
}
Console.ReadLine();
}
public static void Main()
{
var workers = new List <Thread>(WorkersCount);
using (var client = new RouterSocket())
{
string cnn = $"tcp://localhost:{PortNumber}";
client.Bind(cnn);
Console.WriteLine("[B] Connect to {0}", cnn);
for (int workerNumber = 0; workerNumber < WorkersCount; workerNumber++)
{
workers.Add(new Thread(WorkerTask));
workers[workerNumber].Start(PortNumber);
}
for (int taskNumber = 0; taskNumber < WorkersCount * 10; taskNumber++)
{
// LRU worker is next waiting in queue
string address = client.ReceiveFrameString();
//Console.WriteLine("[B] Message received: {0}", address);
string empty = client.ReceiveFrameString();
//Console.WriteLine("[B] Message received: {0}", empty);
string ready = client.ReceiveFrameString();
//Console.WriteLine("[B] Message received: {0}", ready);
client.SendMoreFrame(address);
//Console.WriteLine("[B] Message sent: {0}", address);
client.SendMoreFrame("");
//Console.WriteLine("[B] Message sent: {0}", "");
client.SendFrame("This is the workload");
//Console.WriteLine("[B] Message sent: {0}", "This is the workload");
}
// Now ask mamas to shut down and report their results
for (int taskNbr = 0; taskNbr < WorkersCount; taskNbr++)
{
string address = client.ReceiveFrameString();
//Console.WriteLine("[B] Message received: {0}", address);
string empty = client.ReceiveFrameString();
//Console.WriteLine("[B] Message received: {0}", empty);
string ready = client.ReceiveFrameString();
//Console.WriteLine("[B] Message received: {0}", ready);
client.SendMoreFrame(address);
//Console.WriteLine("[B] Message sent: {0}", address);
client.SendMoreFrame("");
//Console.WriteLine("[B] Message sent: {0}", "");
client.SendFrame("END");
//Console.WriteLine("[B] Message sent: {0}", "END");
}
}
Console.ReadLine();
}
public void TwoMessagesFromRouterToDealer()
{
using (var server = new RouterSocket())
using (var client = new DealerSocket())
using (var poller = new NetMQPoller {
client
})
{
var port = server.BindRandomPort("tcp://*");
client.Connect("tcp://127.0.0.1:" + port);
var cnt = 0;
client.ReceiveReady += (sender, e) =>
{
var strs = e.Socket.ReceiveMultipartStrings();
foreach (var str in strs)
{
Console.WriteLine(str);
}
cnt++;
if (cnt == 2)
{
poller.Stop();
}
};
byte[] clientId = Encoding.Unicode.GetBytes("ClientId");
client.Options.Identity = clientId;
const string request = "GET /\r\n";
const string response = "HTTP/1.0 200 OK\r\n" +
"Content-Type: text/plain\r\n" +
"\r\n" +
"Hello, World!";
client.SendFrame(request);
byte[] serverId = server.ReceiveFrameBytes();
Assert.AreEqual(request, server.ReceiveFrameString());
// two messages in a row, not frames
server.SendMoreFrame(serverId).SendFrame(response);
server.SendMoreFrame(serverId).SendFrame(response);
poller.Run();
}
}
public void Handover()
{
using (var router = new RouterSocket())
using (var dealer1 = new DealerSocket())
{
router.Options.RouterHandover = true;
router.Bind("inproc://127.0.0.1:5555");
dealer1.Options.Identity = Encoding.ASCII.GetBytes("ID");
dealer1.Connect("inproc://127.0.0.1:5555");
dealer1.SendMoreFrame("Hello").SendFrame("World");
var identity = router.ReceiveFrameString();
Assert.AreEqual("ID", identity);
using (var dealer2 = new DealerSocket())
{
dealer2.Options.Identity = Encoding.ASCII.GetBytes("ID");
dealer2.Connect("inproc://127.0.0.1:5555");
// We have new peer which should take over, however we are still reading a message
var message = router.ReceiveFrameString();
Assert.AreEqual("Hello", message);
message = router.ReceiveFrameString();
Assert.AreEqual("World", message);
dealer2.SendMoreFrame("Hello").SendFrame("World");
identity = router.ReceiveFrameString();
Assert.AreEqual("ID", identity);
message = router.ReceiveFrameString();
Assert.AreEqual("Hello", message);
message = router.ReceiveFrameString();
Assert.AreEqual("World", message);
}
}
}
public void AddTwoSocketAfterRemoving()
{
using (var router1 = new RouterSocket())
using (var router2 = new RouterSocket())
using (var router3 = new RouterSocket())
using (var router4 = new RouterSocket())
using (var dealer1 = new DealerSocket())
using (var dealer2 = new DealerSocket())
using (var dealer3 = new DealerSocket())
using (var dealer4 = new DealerSocket())
using (var poller = new NetMQPoller {
router1, router2
})
{
int port1 = router1.BindRandomPort("tcp://127.0.0.1");
int port2 = router2.BindRandomPort("tcp://127.0.0.1");
int port3 = router3.BindRandomPort("tcp://127.0.0.1");
int port4 = router4.BindRandomPort("tcp://127.0.0.1");
dealer1.Connect("tcp://127.0.0.1:" + port1);
dealer2.Connect("tcp://127.0.0.1:" + port2);
dealer3.Connect("tcp://127.0.0.1:" + port3);
dealer4.Connect("tcp://127.0.0.1:" + port4);
int router1Arrived = 0;
int router2Arrived = 0;
bool router3Arrived = false;
bool router4Arrived = false;
var signal1 = new ManualResetEvent(false);
var signal2 = new ManualResetEvent(false);
var signal3 = new ManualResetEvent(false);
var signal4 = new ManualResetEvent(false);
router1.ReceiveReady += (s, e) =>
{
router1Arrived++;
router1.SkipFrame(); // identity
router1.SkipFrame(); // message
poller.Remove(router1);
signal1.Set();
};
router2.ReceiveReady += (s, e) =>
{
router2Arrived++;
router2.SkipFrame(); // identity
router2.SkipFrame(); // message
if (router2Arrived == 1)
{
poller.Add(router3);
poller.Add(router4);
signal2.Set();
}
};
router3.ReceiveReady += (s, e) =>
{
router3.SkipFrame(); // identity
router3.SkipFrame(); // message
router3Arrived = true;
signal3.Set();
};
router4.ReceiveReady += (s, e) =>
{
router4.SkipFrame(); // identity
router4.SkipFrame(); // message
router4Arrived = true;
signal4.Set();
};
poller.RunAsync();
dealer1.SendFrame("1");
Assert.IsTrue(signal1.WaitOne(300));
dealer2.SendFrame("2");
Assert.IsTrue(signal2.WaitOne(300));
dealer3.SendFrame("3");
dealer4.SendFrame("4");
dealer2.SendFrame("2");
dealer1.SendFrame("1");
Assert.IsTrue(signal3.WaitOne(300));
Assert.IsTrue(signal4.WaitOne(300));
poller.Stop();
router1.SkipFrame();
bool more;
Assert.AreEqual("1", router1.ReceiveFrameString(out more));
Assert.IsFalse(more);
Assert.AreEqual(1, router1Arrived);
Assert.AreEqual(2, router2Arrived);
Assert.IsTrue(router3Arrived);
Assert.IsTrue(router4Arrived);
}
}
void ClientCommand_Ventilator(DealerSocket client, RouterSocket ventilator, DealerSocket ventilatorCommand, RouterSocket command)
{
// inicialização das conexões ventilator -> command executor
// var commandHello = new NetMQMessage();
// commandHello.AppendEmptyFrame();
// commandHello.Append("HELLO");
// ventilatorCommand.SendMultipartMessage(commandHello);
// _testOutputHelper.WriteLine("Send Hello to command processor");
//
// Task.Delay(1000);
//
// var hello = command.ReceiveFrameString();
// command.ReceiveFrameString();
// var helloCommand = command.ReceiveFrameString();
// _testOutputHelper.WriteLine("Received Command: {0} {1}", hello, helloCommand);
// client envia comando
var commandData = new NetMQMessage();
commandData.AppendEmptyFrame();
commandData.Append("COMMAND");
commandData.Append("COMMAND_DATA");
client.SendMultipartMessage(commandData);
_testOutputHelper.WriteLine("Client send a command to ventilator");
Task.Delay(1000);
var senderId = ventilator.ReceiveFrameString();
ventilator.ReceiveFrameString();
var requestType = ventilator.ReceiveFrameString();
var messageCommandData = ventilator.ReceiveFrameString();
_testOutputHelper.WriteLine("Ventilator Received Request: {0} {1} {2}", senderId, requestType, messageCommandData);
Task.Delay(1000);
// ventilator roteia comando
var routingCommandData = new NetMQMessage();
routingCommandData.AppendEmptyFrame();
routingCommandData.Append(messageCommandData);
ventilatorCommand.SendMultipartMessage(routingCommandData);
_testOutputHelper.WriteLine("Ventilator send a command to command processor");
Task.Delay(1000);
var sender = command.ReceiveFrameString();
command.ReceiveFrameString();
var receiveCommandData = command.ReceiveFrameString();
_testOutputHelper.WriteLine("Command Received sender: {0} command args: {1}", sender, receiveCommandData);
// Task.Delay(1000);
//
// var commandAnswerData = new NetMQMessage();
// commandAnswerData.AppendEmptyFrame();
// commandAnswerData.Append(messageCommandData + ": OK");
// command.SendMultipartMessage(commandAnswerData);
// _testOutputHelper.WriteLine("Command send an answer to ventilator");
//
// Task.Delay(1000);
// var senderCommand = ventilatorCommand.ReceiveFrameString();
// ventilatorCommand.ReceiveFrameString();
// var receiveCommandAnswer = ventilatorCommand.ReceiveFrameString();
// _testOutputHelper.WriteLine("Ventilator Received Command Answer: {0} command args: {1}", sender, receiveCommandAnswer);
//
// Task.Delay(1000);
//
// var routeAnswerData = new NetMQMessage();
// routeAnswerData.AppendEmptyFrame();
// routeAnswerData.Append(messageCommandData + ": OK");
// ventilator.SendMultipartMessage(commandAnswerData);
// _testOutputHelper.WriteLine("Command send an answer to ventilator");
//
// Task.Delay(1000);
//
// var senderCommand = ventilatorCommand.ReceiveFrameString();
// ventilatorCommand.ReceiveFrameString();
// var receiveCommandAnswer = ventilatorCommand.ReceiveFrameString();
// _testOutputHelper.WriteLine("Ventilator Received Command Answer: {0} command args: {1}", sender, receiveCommandAnswer);
}
