public async Task <IActionResult> CallGrainDemo(string input)
{
using (var client =
OrleansClientBuilder.CreateClient(_logger, _clusterInfo, _providerOption, new[] { typeof(IHello), typeof(INumberGenerator) }))
{
await client.ConnectWithRetryAsync();
_logger.LogInformation("Client successfully connect to silo host");
var grain = client.GetGrain <IHello>(0);
_logger.LogInformation("Get greeting grain, start calling RPC method...");
var returnValue = await grain.SayHello(input);
_logger.LogInformation($"RPC method return value is \r\n\r\n{{{returnValue}}}\r\n\r\n");
var randomNumberGrain = client.GetGrain <INumberGenerator>(input);
var luckyNumber = await randomNumberGrain.NextInt();
await client.Close();
_logger.LogInformation("Client successfully close connection to silo host");
TempData[DataKey] = JsonConvert.SerializeObject(new ResultViewModel {
Result = $"{returnValue}<br/>LuckyNumber is <b>{luckyNumber}</b>"
});
return(RedirectToAction(nameof(Index)));
}
}
public async Task CallHello()
{
var(clusterInfo, providerOption) = GetConfigSettings();
using (var client = OrleansClientBuilder.CreateClient(_logger, clusterInfo, providerOption))
{
await client.ConnectWithRetryAsync();
_logger.LogInformation("Client successfully connect to silo host");
var grain = client.GetGrain <IHello>(0);
_logger.LogInformation("Get greeting grain, start calling RPC method...");
var returnValue = await grain.SayHello("Hello Orleans");
_logger.LogInformation($"RPC method return value is \r\n\r\n{{{returnValue}}}\r\n\r\n");
var return2Value = await grain.SayHello("Hello again");
_logger.LogInformation($"RPC method return value is \r\n\r\n{{{return2Value}}}\r\n\r\n");
var return3Value = await grain.SayHello("Hello Orleans");
_logger.LogInformation($"RPC method return value is \r\n\r\n{{{return3Value}}}\r\n\r\n");
await client.Close();
_logger.LogInformation("Client successfully close connection to silo host");
}
}
public async Task RunCounter()
{
var(clusterInfo, providerOption) = ConfigUtil.GetConfigSettings();
try
{
using (var client =
OrleansClientBuilder.CreateClient(_logger,
clusterInfo,
providerOption,
new[] { typeof(IHello), typeof(ICounter) }))
{
await client.ConnectWithRetryAsync();
_logger.LogInformation("Client successfully connect to silo host");
var helloGrain = client.GetGrain <IHello>(0);
_logger.LogInformation("Get greeting grain, start calling RPC method...");
var returnValue = await helloGrain.SayHello("Hello Orleans");
_logger.LogInformation($"RPC method return value is \r\n\r\n{{{returnValue}}}\r\n\r\n");
var counterGrain = client.GetGrain <ICounter>(0);
_logger.LogInformation("Get counter grain, start calling RPC methods...");
await counterGrain.Add(1);
await Task.Delay(new TimeSpan(0, 0, 1));
await counterGrain.Add(2);
await Task.Delay(new TimeSpan(0, 0, 1));
await counterGrain.Add(3);
var current = await counterGrain.CurrentValue();
_logger.LogInformation("Current counter value is '{0}'", current);
await client.Close();
_logger.LogInformation("Client successfully close connection to silo host");
}
}
catch (Exception ex)
{
_logger.LogError(ex, "call RunCounter() error");
throw;
}
}
public async Task DemoRun()
{
var clusterInfoOption = new ClusterInfoOption {
ClusterId = "dev", ServiceId = "HelloWorldApp"
};
var sqlDbProviderOption =
new OrleansProviderOption
{
DefaultProvider = @"SQLDB",
SQLDB = new AdoNetProviderSettings
{
Cluster = new AdoNetProviderClusterSettings
{
DbConn =
@"Data Source=(localdb)\MSSQLLocalDB;Initial Catalog=Orleans_Cluster;
Integrated Security=True;Pooling=False;Max Pool Size=200;
MultipleActiveResultSets=True"
}
}
};
using var client =
OrleansClientBuilder.CreateClient(_logger,
clusterInfoOption, sqlDbProviderOption,
configureLogging: builder => { builder.AddSerilog(); });
await client.ConnectWithRetryAsync();
_logger.LogInformation("Client successfully connect to silo host");
var grain = client.GetGrain <IHello>(0);
_logger.LogInformation("Get hello world grain, start calling RPC methods...");
var returnValue = await grain.SayHello("Hello Orleans");
_logger.LogInformation($"RPC method return value is \r\n\r\n{{{returnValue}}}\r\n");
await client.Close();
_logger.LogInformation("Client successfully close connection to silo host");
}
private async Task DetectLongRunningTaskStatus(ChannelWriter <string> writer, Ulid grainId, int delay, CancellationToken cancellationToken)
{
try
{
using (var client = OrleansClientBuilder.CreateClient(_logger, _clusterInfo, _providerOption,
new[] { typeof(IMyReminder) }))
{
await client.ConnectWithRetryAsync();
var grain = client.GetGrain <IMyReminder>(grainId.ToGuid());
string status;
do
{
// Check the cancellation token regularly so that the server will stop
// producing items if the client disconnects.
cancellationToken.ThrowIfCancellationRequested();
status = await grain.GetCurrentStatus();
await writer.WriteAsync(status, cancellationToken);
if (status == "stopped")
{
break;
}
await Task.Delay(TimeSpan.FromSeconds(delay), cancellationToken);
} while (status == "running");
await client.Close();
}
}
catch (Exception ex)
{
_logger.Error(400, "Runtime error", ex);
writer.TryComplete(ex);
return;
}
writer.TryComplete();
}
public async Task DemoRun()
{
var clusterInfoOption = new ClusterInfoOption {
ClusterId = "dev", ServiceId = "HelloWorldApp"
};
var sqlDbProviderOption =
new OrleansProviderOption
{
DefaultProvider = @"MYSQL",
SQLDB = new AdoNetProviderSettings
{
Cluster = new AdoNetProviderClusterSettings
{
DbConn =
@"Server=localhost;uid=root;pwd=Pass1234;Database=orleans_demo"
}
}
};
using var client =
OrleansClientBuilder
.CreateClient(_logger, clusterInfoOption, sqlDbProviderOption,
new[] { typeof(IHello) }, configureLogging: builder => {
builder.AddSerilog();
});
await client.ConnectWithRetryAsync();
_logger.LogInformation("Client successfully connect to silo host");
var grain = client.GetGrain <IHello>(0);
_logger.LogInformation("Get hello world grain, start calling RPC methods...");
var returnValue = await grain.SayHello("Hello Orleans");
_logger.LogInformation($"RPC method return value is \r\n\r\n{{{returnValue}}}\r\n");
await client.Close();
_logger.LogInformation("Client successfully close connection to silo host");
}
public async Task TestRpc()
{
var(clusterInfo, providerOption) = ConfigUtil.GetConfigSettings();
try
{
using (var client =
OrleansClientBuilder.CreateClient(_logger,
clusterInfo,
providerOption,
new[] { typeof(IUtilityGrain) }))
{
await client.ConnectWithRetryAsync();
_logger.LogInformation("Client successfully connect to silo host");
var grain = client.GetGrain <IUtilityGrain>("test");
var testInput = new InputDTO {
Name = "Alice", Email = "*****@*****.**"
};
var jsonStr = await grain.OutputJsonStr(testInput);
_logger.LogInformation($"Client side get OutputJsonStr() result= {jsonStr}");
var bsonDoc = await grain.ToBson(testInput);
_logger.LogInformation($"Client side get ToBson() result= {bsonDoc}");
await client.Close();
_logger.LogInformation("Client successfully close connection to silo host");
}
}
catch (Exception ex)
{
_logger.LogError(ex, "call TestRpc() error");
throw;
}
}
public async Task <IActionResult> CallGrainAlarm()
{
using (var client =
OrleansClientBuilder.CreateClient(_logger, _clusterInfo, _providerOption))
{
await client.ConnectWithRetryAsync();
var runSessionId = NUlid.Ulid.NewUlid();
var grainGuid = runSessionId.ToGuid();
var demoGrain = client.GetGrain <IMyReminder>(grainGuid);
var callResult = await demoGrain.Alarm();
await client.Close();
TempData[tempDataKey] = JsonConvert.SerializeObject(new LongTaskViewModel {
Result = callResult, RunSessionId = runSessionId
});
return(RedirectToAction(nameof(Index), new { runSessionId }));
}
}
public async Task DemoRun()
{
var clusterInfoOption = new ClusterInfoOption {
ClusterId = "dev", ServiceId = "HelloWorldApp"
};
var mongoDbProviderOption = new OrleansProviderOption
{
DefaultProvider = "mongodb",
MongoDB = new MongoDbProviderSettings
{
Cluster = new MongoDbProviderClusterSettings
{
DbConn = "mongodb://localhost:27017",
DbName = "demo-silo-Clustering"
}
}
};
using var client = OrleansClientBuilder
.CreateClient(_logger, clusterInfoOption, mongoDbProviderOption, new[] { typeof(IHello) },
builder => { builder.AddSerilog(); });
await client.ConnectWithRetryAsync();
_logger.LogInformation("Client successfully connect to silo host");
var grain = client.GetGrain <IHello>(0);
_logger.LogInformation("Get hello world grain, start calling RPC methods...");
var returnValue = await grain.SayHello("Hello Orleans");
_logger.LogInformation($"RPC method return value is \r\n\r\n{{{returnValue}}}\r\n");
await client.Close();
_logger.LogInformation("Client successfully close connection to silo host");
}