public async Task ConnectDisconnectStress(int concurrentClients, int connectionCount, int minAliveMs, int maxAliveMs)
{
Random rnd = new Random();
int connected = 0;
int disconnected = 0;
int port = 42110 + rnd.Next(0, 89);
TestMqServer server = new TestMqServer();
server.Initialize(port);
server.Start();
for (int i = 0; i < concurrentClients; i++)
{
Thread thread = new Thread(async() =>
{
for (int j = 0; j < connectionCount; j++)
{
try
{
TmqClient client = new TmqClient();
client.Connect("tmq://localhost:" + port);
Assert.True(client.IsConnected);
Interlocked.Increment(ref connected);
await Task.Delay(rnd.Next(minAliveMs, maxAliveMs));
client.Disconnect();
Interlocked.Increment(ref disconnected);
await Task.Delay(50);
Assert.True(client.IsConnected);
}
catch
{
}
}
});
thread.Start();
}
TimeSpan total = TimeSpan.FromMilliseconds(maxAliveMs * connectionCount);
TimeSpan elapsed = TimeSpan.Zero;
while (elapsed < total)
{
elapsed += TimeSpan.FromMilliseconds(100);
await Task.Delay(100);
}
await Task.Delay(maxAliveMs);
await Task.Delay(3000);
Assert.Equal(connected, concurrentClients * connectionCount);
Assert.Equal(disconnected, concurrentClients * connectionCount);
}