static AbstractLoadBalancePolicyFactory()
{
var policyType = typeof(TPolicy);
var policyCtor = GetPolicyConstructor();
var dynamicMethod = new DynamicMethod("", policyType, CreateArgs, policyType);
var ilGenerator = dynamicMethod.GetILGenerator();
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Newobj, policyCtor);
ilGenerator.Emit(OpCodes.Ret);
creator = (PolicyCreator)dynamicMethod.CreateDelegate(typeof(PolicyCreator));
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = null)] HttpRequest req,
ILogger log)
{
log.LogInformation("C# HTTP trigger function processed a request.");
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
var request = JsonConvert.DeserializeObject <NewPolicyRequest>(requestBody);
if (request == null)
{
request = new NewPolicyRequest();
}
var policyCreator = new PolicyCreator(request);
var result = policyCreator.Do();
if (result.IsFailed)
{
return(new BadRequestObjectResult(new { Errors = result.Errors }));
}
return(new OkObjectResult(result));
}
protected override ILoadBalancePolicy[] CreatePolicies(EndpointDiscoveryMetadata endpoint, PolicyCreator creator)
{
return(endpoint.Scopes.Count > 0
? endpoint.Scopes.Select(scope => creator(target => target.Scopes.Contains(scope))).ToArray()
: base.CreatePolicies(endpoint, creator));
}
protected override ILoadBalancePolicy[] CreatePolicies(EndpointDiscoveryMetadata endpoint, PolicyCreator creator)
{
return(endpoint.ContractTypeNames.Select(contract =>
creator(target => target.ContractTypeNames.Contains(contract)))
.ToArray());
}
protected abstract ILoadBalancePolicy[] CreatePolicies(EndpointDiscoveryMetadata endpoint, PolicyCreator creator);
