/// <summary>
/// Wrapper method for the <see cref="StartImpl"/> method. Checks that the
/// service status before executing the inner start.
/// </summary>
/// <returns>
/// See <seealso cref="StartImpl"/> for the semantic of the return value.
/// </returns>
/// <remarks>
/// If the execution does not complete within
/// <see cref="ExecutionTimeout"/>, then a <see cref="TimeoutException"/> is
/// thrown.
/// </remarks>
public ServiceExecutionFeedback Start()
{
var now = DateTimeOffset.UtcNow;
// checking service state at regular interval
if (now.Subtract(_lastStateCheck) > StateCheckInterval)
{
var stateBlobName = new CloudServiceStateName(Name);
var state = Blobs.GetBlob(stateBlobName, RuntimeSerializer);
// no state can be retrieved, update blob storage
if (!state.HasValue)
{
state = _defaultState;
Blobs.PutBlob(stateBlobName, state.Value, RuntimeSerializer);
}
_state = state.Value;
_lastStateCheck = now;
}
// no execution if the service is stopped
if (CloudServiceState.Stopped == _state)
{
return(ServiceExecutionFeedback.Skipped);
}
return(WaitFor <ServiceExecutionFeedback> .Run(ExecutionTimeout, StartImpl));
}
/// <summary>
/// Default constructor
/// </summary>
protected CloudService()
{
RuntimeSerializer = new CloudFormatter();
// default setting
_defaultState = CloudServiceState.Started;
_state = _defaultState;
ExecutionTimeout = new TimeSpan(1, 58, 0);
// overwrite settings with config in the attribute - if available
var settings = GetType().GetCustomAttributes(typeof(CloudServiceSettingsAttribute), true)
.FirstOrDefault() as CloudServiceSettingsAttribute;
if (null == settings)
{
return;
}
_defaultState = settings.AutoStart ? CloudServiceState.Started : CloudServiceState.Stopped;
_state = _defaultState;
if (settings.ProcessingTimeoutSeconds > 0)
{
ExecutionTimeout = TimeSpan.FromSeconds(settings.ProcessingTimeoutSeconds);
}
}
private void SetCloudServiceState(string name, DeploymentSlot slot, CloudServiceState state)
{
HostedServiceGetDetailedResponse cloudService = GetCloudService(name);
VerifyDeploymentExists(cloudService, slot);
ComputeClient.Deployments.UpdateStatusByDeploymentSlot(cloudService.ServiceName,
slot, new DeploymentUpdateStatusParameters
{
Status =
state == CloudServiceState.Start
? UpdatedDeploymentStatus.Running
: UpdatedDeploymentStatus.Suspended
});
}
private void SetCloudServiceState(string name, string slot, CloudServiceState state)
{
HostedService cloudService = GetCloudService(name);
slot = GetSlot(slot);
VerifyDeploymentExists(cloudService, slot);
ServiceManagementChannel.UpdateDeploymentStatusBySlot(
subscriptionId,
cloudService.ServiceName,
slot,
new UpdateDeploymentStatusInput()
{
Status = state == CloudServiceState.Start ? DeploymentStatus.Running : DeploymentStatus.Suspended
}
);
}
private void SetCloudServiceState(string name, string slot, CloudServiceState state)
{
HostedService cloudService = GetCloudService(name);
slot = GetSlot(slot);
VerifyDeploymentExists(cloudService, slot);
ServiceManagementChannel.UpdateDeploymentStatusBySlot(
subscriptionId,
cloudService.ServiceName,
slot,
new UpdateDeploymentStatusInput()
{
Status = state == CloudServiceState.Start ? DeploymentStatus.Running : DeploymentStatus.Suspended
}
);
}
private void SetCloudServiceState(string name, DeploymentSlot slot, CloudServiceState state)
{
HostedServiceGetDetailedResponse cloudService = GetCloudService(name);
VerifyDeploymentExists(cloudService, slot);
ComputeClient.Deployments.UpdateStatusByDeploymentSlot(cloudService.ServiceName,
slot, new DeploymentUpdateStatusParameters
{
Status =
state == CloudServiceState.Start
? UpdatedDeploymentStatus.Running
: UpdatedDeploymentStatus.Suspended
});
}
