public async Task TestGrpc()
{
const int BINDING_PORT = 28888;
var logger = loggerFactory.CreateLogger(nameof(TestGrpc));
var gossiperImpl = new GossiperImpl();
gossiperImpl.OnPull += (_, e) => { logger.LogInformation("OnPull"); e.Rumors = Enumerable.Empty <Rumor>(); };
gossiperImpl.OnPush += (_, e) => logger.LogInformation("Receive rumors: [{0}]", string.Join(", ", e.Rumors.Select(r => r.GetHashCode())));
var server = new Server
{
Ports = { new ServerPort("127.0.0.1", BINDING_PORT, ServerCredentials.Insecure) },
Services = { Gossiper.BindService(gossiperImpl) }
};
server.Start();
var client = new Gossiper.GossiperClient(new Channel($"127.0.0.1:{BINDING_PORT}", ChannelCredentials.Insecure));
var pullResult = client.Pull(new PullRequest(), deadline: DateTime.UtcNow.AddMilliseconds(200));
while (await pullResult.ResponseStream.MoveNext())
{
logger.LogInformation("Pulled rumor {0}", pullResult.ResponseStream.Current.GetHashCode());
}
var pushCall = client.Push(deadline: DateTime.UtcNow.AddMilliseconds(200));
await pushCall.RequestStream.WriteAsync(new Rumor
{
Counter = 1,
Payload = new Any()
});
await pushCall.RequestStream.CompleteAsync();
var pushResult = await pushCall;
logger.LogInformation("Client push finished");
await server.ShutdownAsync();
}
public async Task TestObservePullService()
{
const int BINDING_PORT = 38888;
var logger = loggerFactory.CreateLogger(nameof(TestObserveService));
var options = Options.Create(new EpidemicBroadcastServiceOption
{
MinimalSleepIntervalMilliseconds = 10,
RoundIntervalMilliseconds = 100,
EstimatedNodeCountMin = 5,
FanInNodeCountMax = 1,
FanOutNodeCountMax = 2,
PushRoundsFactor = 1,
PullRoundsFactor = 1,
DeadRoundsFactor = 1
});
var stopwatchProvider = new SystemStopwatchProvider();
var service = new EpidemicBroadcastService(
loggerFactory.CreateLogger <EpidemicBroadcastService>(),
options,
stopwatchProvider)
{
GossiperClientFactory = target =>
new Gossiper.GossiperClient(new Channel(target, ChannelCredentials.Insecure)),
MemberListProvider = () => Enumerable.Range(BINDING_PORT, 5).Select(p => $"127.0.0.1:{p}").ToArray()
};
var server = new Server
{
Ports = { new ServerPort("127.0.0.1", BINDING_PORT, ServerCredentials.Insecure) },
Services = { Gossiper.BindService(service.GossiperImpl) }
};
service.OnRumorReceived += (_, e) => logger.LogInformation("Rumor {0} received.", e.Payload.GetHashCode());
server.Start();
await service.StartAsync();
service.Broadcast(new Any());
await Task.Delay(500);
var client = new Gossiper.GossiperClient(new Channel($"127.0.0.1:{BINDING_PORT}", ChannelCredentials.Insecure));
using (var pushCall = client.Push(deadline: DateTime.UtcNow.AddMilliseconds(200)))
{
await pushCall.RequestStream.WriteAsync(new Rumor
{
Counter = 3,
Payload = new Any()
});
await pushCall.RequestStream.CompleteAsync();
var pushResult = await pushCall;
logger.LogInformation("Client push finished");
}
await Task.Delay(110);
using (var pullResult = client.Pull(new PullRequest(), deadline: DateTime.UtcNow.AddMilliseconds(200)))
{
while (await pullResult.ResponseStream.MoveNext())
{
logger.LogInformation("Pulled rumor {0}", pullResult.ResponseStream.Current.GetHashCode());
}
logger.LogInformation("Client pull finished");
}
await service.StopAsync();
await server.ShutdownAsync();
await Task.Delay(1000);
}