public override async Task ExecuteResultAsync(ActionContext context)
{
ILogger <EgressStreamResult> logger = context.HttpContext.RequestServices
.GetRequiredService <ILoggerFactory>()
.CreateLogger <EgressStreamResult>();
using var _ = logger.BeginScope(_scope);
await context.InvokeAsync(async (token) =>
{
IEgressService egressService = context.HttpContext.RequestServices
.GetRequiredService <IEgressService>();
EgressResult egressResult = await _egress(egressService, token);
logger.LogInformation("Egressed to {0}", egressResult.Value);
// The remaining code is creating a JSON object with a single property and scalar value
// that indiates where the stream data was egressed. Because the name of the artifact is
// automatically generated by the REST API and the caller of the endpoint might not know
// the specific configuration information for the egress provider, this value allows the
// caller to more easily find the artifact after egress has completed.
IDictionary <string, string> data = new Dictionary <string, string>(StringComparer.Ordinal);
data.Add(egressResult.Name, egressResult.Value);
ActionResult jsonResult = new JsonResult(data);
await jsonResult.ExecuteResultAsync(context);
}, logger);
}
public async Task <ExecutionResult <EgressResult> > ExecuteAsync(IServiceProvider serviceProvider, CancellationToken token)
{
ILogger <EgressOperation> logger = serviceProvider
.GetRequiredService <ILoggerFactory>()
.CreateLogger <EgressOperation>();
using var _ = logger.BeginScope(_scope);
return(await ExecutionHelper.InvokeAsync(async (token) =>
{
IEgressService egressService = serviceProvider
.GetRequiredService <IEgressService>();
EgressResult egressResult = await _egress(egressService, token);
logger.EgressedArtifact(egressResult.Value);
// The remaining code is creating a JSON object with a single property and scalar value
// that indiates where the stream data was egressed. Because the name of the artifact is
// automatically generated by the REST API and the caller of the endpoint might not know
// the specific configuration information for the egress provider, this value allows the
// caller to more easily find the artifact after egress has completed.
return ExecutionResult <EgressResult> .Succeeded(egressResult);
}, logger, token));
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
string egressProvider = (string)value;
IEgressService egressService = validationContext.GetRequiredService <IEgressService>();
try
{
egressService.ValidateProvider(egressProvider);
}
catch (Exception)
{
return(new ValidationResult(
string.Format(
CultureInfo.InvariantCulture,
Strings.ErrorMessage_EgressProviderDoesNotExist,
egressProvider)));
}
return(ValidationResult.Success);
}
