/// <summary>
/// LeaseGrant creates a lease in async which expires if the server does not receive a keepAlive
/// within a given time to live period. All keys attached to the lease will be expired and
/// deleted if the lease expires. Each expired key generates a delete event in the event history.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public async Task <LeaseGrantResponse> LeaseGrantAsync(LeaseGrantRequest request, Metadata headers = null)
{
LeaseGrantResponse response = new LeaseGrantResponse();
bool success = false;
int retryCount = 0;
while (!success)
{
try
{
response = await _balancer.GetConnection().leaseClient.LeaseGrantAsync(request, headers);
success = true;
}
catch (RpcException ex) when(ex.StatusCode == StatusCode.Unavailable)
{
retryCount++;
if (retryCount >= _balancer._numNodes)
{
throw ex;
}
}
}
return(response);
}
/// <summary>
/// LeaseGrant creates a lease which expires if the server does not receive a keepAlive
/// within a given time to live period. All keys attached to the lease will be expired and
/// deleted if the lease expires. Each expired key generates a delete event in the event history.
/// </summary>
/// <param name="request">The request to send to the server.</param>
/// <param name="headers">The initial metadata to send with the call. This parameter is optional.</param>
/// <param name="deadline">An optional deadline for the call. The call will be cancelled if deadline is hit.</param>
/// <param name="cancellationToken">An optional token for canceling the call.</param>
/// <returns>The response received from the server.</returns>
public LeaseGrantResponse LeaseGrant(LeaseGrantRequest request, Grpc.Core.Metadata headers = null,
DateTime?deadline = null,
CancellationToken cancellationToken = default)
{
return(CallEtcd((connection) => connection.leaseClient
.LeaseGrant(request, headers, deadline, cancellationToken)));
}
/// <summary>
/// LeaseGrant creates a lease in async which expires if the server does not receive a keepAlive
/// within a given time to live period. All keys attached to the lease will be expired and
/// deleted if the lease expires. Each expired key generates a delete event in the event history.
/// </summary>
/// <param name="request">The request to send to the server.</param>
/// <param name="headers">The initial metadata to send with the call. This parameter is optional.</param>
/// <param name="deadline">An optional deadline for the call. The call will be cancelled if deadline is hit.</param>
/// <param name="cancellationToken">An optional token for canceling the call.</param>
/// <returns>The response received from the server.</returns>
public async Task <LeaseGrantResponse> LeaseGrantAsync(LeaseGrantRequest request,
Grpc.Core.Metadata headers = null, DateTime?deadline = null,
CancellationToken cancellationToken = default)
{
return(await CallEtcdAsync(async (connection) => await connection.leaseClient
.LeaseGrantAsync(request, headers, deadline, cancellationToken)));
}
public LeaseGrantResponse LeaseGrant(LeaseGrantRequest request)
{
var req = request.ToProto();
var rsp = client.LeaseGrant(req);
return(rsp.FromProto());
}
/// <summary>
/// LeaseGrant creates a lease in async which expires if the server does not receive a keepAlive
/// within a given time to live period. All keys attached to the lease will be expired and
/// deleted if the lease expires. Each expired key generates a delete event in the event history.
/// </summary>
/// <param name="request">The request to send to the server.</param>
/// <param name="headers">The initial metadata to send with the call. This parameter is optional.</param>
/// <param name="deadline">An optional deadline for the call. The call will be cancelled if deadline is hit.</param>
/// <param name="cancellationToken">An optional token for canceling the call.</param>
/// <returns>The response received from the server.</returns>
public async Task <LeaseGrantResponse> LeaseGrantAsync(LeaseGrantRequest request,
Grpc.Core.Metadata headers = null, DateTime?deadline = null,
CancellationToken cancellationToken = default)
{
LeaseGrantResponse response = new LeaseGrantResponse();
bool success = false;
int retryCount = 0;
while (!success)
{
try
{
response = await _balancer.GetConnection().leaseClient
.LeaseGrantAsync(request, headers, deadline, cancellationToken);
success = true;
}
catch (RpcException ex) when(ex.StatusCode == StatusCode.Unavailable)
{
retryCount++;
if (retryCount >= _balancer._numNodes)
{
throw;
}
}
}
return(response);
}
/// <summary>
/// LeaseGrant creates a lease in async which expires if the server does not receive a keepAlive
/// within a given time to live period. All keys attached to the lease will be expired and
/// deleted if the lease expires. Each expired key generates a delete event in the event history.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public async Task <LeaseGrantResponse> LeaseGrantAsync(LeaseGrantRequest request)
{
try
{
return(await _leaseClient.LeaseGrantAsync(request, _headers));
}
catch (RpcException)
{
ResetConnection();
throw;
}
catch
{
throw;
}
}
/// <summary>
/// LeaseGrant creates a lease which expires if the server does not receive a keepAlive
/// within a given time to live period. All keys attached to the lease will be expired and
/// deleted if the lease expires. Each expired key generates a delete event in the event history.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public LeaseGrantResponse LeaseGrant(LeaseGrantRequest request)
{
try
{
return(_leaseClient.LeaseGrant(request, _headers));
}
catch (RpcException)
{
ResetConnection();
throw;
}
catch
{
throw;
}
}
static async Task TestMemLeakAsync()
{
var channel = new Channel("192.168.2.13", 2379, ChannelCredentials.Insecure);
var leaseClient = new Lease.LeaseClient(channel);
Console.WriteLine("Start");
Console.ReadLine();
for (int i = 0; i < 100; i++)
{
var leaseGrantReq = new LeaseGrantRequest()
{
TTL = 100,
};
var leaseGrantRes = await leaseClient.LeaseGrantAsync(leaseGrantReq, cancellationToken : channel.ShutdownToken);
using (var leaser = leaseClient.LeaseKeepAlive(cancellationToken: channel.ShutdownToken))
{
var leaseKeepAliveReq = new LeaseKeepAliveRequest()
{
ID = leaseGrantRes.ID
};
await leaser.RequestStream.WriteAsync(leaseKeepAliveReq);
await leaser.RequestStream.CompleteAsync();
while (await leaser.ResponseStream.MoveNext(channel.ShutdownToken))
{
var leaseKeepAliveRes = leaser.ResponseStream.Current;
if (leaseKeepAliveRes.ID == leaseKeepAliveReq.ID)
{
break;
}
}
}
}
Console.WriteLine("Done");
Console.ReadLine();
GC.Collect();
Console.WriteLine("GC");
Console.ReadLine();
await channel.ShutdownAsync();
}
public async Task ImHere()
{
var leaseGrantRequest = new LeaseGrantRequest
{
TTL = LeaseTtl
};
var leaseGrantResponse = await _client.LeaseGrantAsync(leaseGrantRequest);
_leaseId = leaseGrantResponse.ID;
await _client.PutAsync(new PutRequest
{
Lease = leaseGrantResponse.ID,
Key = _key,
Value = _broker
});
_timer = new Timer(LeaseKeepAlive, null, TimeSpan.Zero, TimeSpan.FromSeconds(5));
}
public void LeaseGrant()
{
Mock <IEtcdClient> etcdClientMock = new Mock <IEtcdClient>();
Mock <IDisposable> disposableMock = new Mock <IDisposable>();
EtcdCompoundClient client = new EtcdCompoundClient(etcdClientMock.Object, disposableMock.Object);
Fixture fixture = new Fixture();
LeaseGrantRequest request = fixture.Create <LeaseGrantRequest>();
LeaseGrantResponse response = fixture.Create <LeaseGrantResponse>();
etcdClientMock.Setup(p => p.LeaseGrant(request, null, null, CancellationToken.None)).Returns(response);
LeaseGrantResponse actualResponse = client.LeaseGrant(request);
etcdClientMock.Verify(p => p.LeaseGrant(request, null, null, CancellationToken.None), Times.Once);
Assert.AreSame(response, actualResponse);
}
internal LeaseGrantRequest LeaseGrant(LeaseGrantRequest leaseGrantRequest)
{
throw new NotImplementedException();
}
/// <summary>
/// LeaseGrant creates a lease in async which expires if the server does not receive a keepAlive
/// within a given time to live period. All keys attached to the lease will be expired and
/// deleted if the lease expires. Each expired key generates a delete event in the event history.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public async Task <LeaseGrantResponse> LeaseGrantAsync(LeaseGrantRequest request, Metadata headers = null)
{
return(await _balancer.GetConnection().leaseClient.LeaseGrantAsync(request, headers));
}
/// <summary>
/// LeaseGrant creates a lease which expires if the server does not receive a keepAlive
/// within a given time to live period. All keys attached to the lease will be expired and
/// deleted if the lease expires. Each expired key generates a delete event in the event history.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public LeaseGrantResponse LeaseGrant(LeaseGrantRequest request, Metadata headers = null)
{
return(_balancer.GetConnection().leaseClient.LeaseGrant(request, headers));
}
public LeaseGrantResponse LeaseGrant(LeaseGrantRequest request)
{
return(_etcdClient.LeaseGrant(request));
}
