/// <summary>
/// Main entry point.
/// </summary>
/// <param name="args">Arguments.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public static async Task Main(string[] args)
{
// Get default port from environment, the environment is set when launched by Dapr runtime.
var defaultPort = Environment.GetEnvironmentVariable("DAPR_GRPC_PORT") ?? "52918";
// Set correct switch to make insecure gRPC service calls. This switch must be set before creating the GrpcChannel.
AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
// Create Client
var daprUri = $"http://127.0.0.1:{defaultPort}";
var channel = GrpcChannel.ForAddress(daprUri);
var client = new Dapr.DaprClient(channel);
// Publish an event
await PublishEventAsync(client);
// Save State
await SaveStateAsync(client);
// Read State
await GetStateAsync(client);
// Delete State
await DeleteStateAsync(client);
}
private static async Task DeleteStateAsync(Dapr.DaprClient client)
{
var deleteStateEnvelope = new DeleteStateEnvelope()
{
Key = stateKeyName,
};
_ = await client.DeleteStateAsync(deleteStateEnvelope);
Console.WriteLine("Deleted State!");
}
private static async Task GetStateAsync(Dapr.DaprClient client)
{
var getStateEnvelope = new GetStateEnvelope()
{
Key = stateKeyName,
};
var response = await client.GetStateAsync(getStateEnvelope);
Console.WriteLine("Got State: " + response.Data.Value.ToStringUtf8());
}
private static async Task PublishEventAsync(Dapr.DaprClient client)
{
var data = new Any();
data.Value = ByteString.CopyFromUtf8("EventData");
// Create PublishEventEnvelope
var eventToPublish = new PublishEventEnvelope()
{
Topic = "TopicA",
Data = data,
};
_ = await client.PublishEventAsync(eventToPublish);
Console.WriteLine("Published Event!");
}
private static async Task SaveStateAsync(Dapr.DaprClient client)
{
var value = new Any();
value.Value = ByteString.CopyFromUtf8("my data");
var req = new StateRequest()
{
Key = stateKeyName,
Value = value,
};
var saveStateEnvelope = new SaveStateEnvelope();
saveStateEnvelope.Requests.Add(req);
_ = await client.SaveStateAsync(saveStateEnvelope);
Console.WriteLine("Saved State!");
}
/// <summary>
/// Main entry point.
/// </summary>
/// <param name="args">Arguments.</param>
public static void Main(string[] args)
{
// Get default port from environment, the environment is set when launched by Dapr runtime.
var defaultPort = Environment.GetEnvironmentVariable("DAPR_GRPC_PORT") ?? "52918";
// Create Client
var daprUri = $"127.0.0.1:{defaultPort}";
var channel = new Channel(daprUri, ChannelCredentials.Insecure);
var client = new Dapr.DaprClient(channel);
// Publish an event
PublishEventAsync(client).GetAwaiter().GetResult();
// Save State
SaveStateAsync(client).GetAwaiter().GetResult();
// Read State
GetStateAsync(client).GetAwaiter().GetResult();
// Delete State
DeleteStateAsync(client).GetAwaiter().GetResult();
}
