public async Task <IActionResult> GetAvailableCars([FromBody] RequestCar requestCar)
{
TaskCompletionSource <int> tcs = new TaskCompletionSource <int>();
CancellationTokenSource cts = new CancellationTokenSource(10000);
cts.Token.Register(() => tcs.TrySetResult(0));
ResponseCar response = new ResponseCar();
await _pubAndSub.SubscribeAsync(ChannelConfig.ResponseCar, (channel, message) =>
{
response = message.ToString().FromJsonTo <ResponseCar>();
tcs.TrySetResult(1);
});
requestCar.Id = Guid.NewGuid();
await _pubAndSub.PublishAsync(ChannelConfig.RequestCar, requestCar.ToJson());
var result = await tcs.Task;
if (result <= 0)
{
_log.Information("Timeout when trying to request a car");
return(NotFound("Not possible to connect with the service."));
}
return(Ok(response.ToJson()));
}
public static async Task Run()
{
var dataFactory = GetService <DataFactory>();
var redis = dataFactory.GetRedisClient().GetDatabase();
var pubAndSub = redis.Multiplexer.GetSubscriber();
_log.Information("Running");
await pubAndSub.SubscribeAsync(ChannelConfig.RequestCar, async (channel, message) =>
{
var request = message.ToString().FromJsonTo <RequestCar>();
//Here you can have any proccess you want before checking on redis.
string keyToCheck = keyToSayImChecking + request.Id;
if (redis.KeyExists(keyToCheck))
{
_log.Information("It's already beeing checked | request {0}", request.Id);
}
else
{
redis.StringSet(keyToCheck, 1, TimeSpan.FromSeconds(30));
_log.Information("Checking request: {0}", request.Id);
List <Car> cars = new List <Car>();
for (int i = request.StartYear; i <= request.EndYear; i++)
{
string key = request.Automaker + request.Name + i;
if (redis.KeyExists(key))
{
var car = (await redis.StringGetAsync(key)).ToString().FromJsonTo <Car>();
cars.Add(car);
}
}
var response = new ResponseCar()
{
Cars = cars
};
await pubAndSub.PublishAsync(ChannelConfig.ResponseCar, response.ToJson());
}
});
/// Redis Lock Example.
var system = GetService <ActorSystem>();
var props = new RoundRobinPool(5).Props(Props.Create <Master>());
system.ActorOf(props, "master");
Console.ReadLine();
}