public void Create(string route, MethodInfo serverMethodInfo, MethodInfo clientMethodInfo, List <Type> serverInterceptors, List <Type> clientInterceptors)
{
if (ServiceInvokers.ContainsKey(route))
{
throw new DuplicateRouteException(route);
}
var enableClient = ServiceProvider.GetService <ILoadBalancing>() != null;
var serviceDescriptor = new ServiceDescriptor
{
Route = route,
MethodInfo = serverMethodInfo,
ArgsType = serverMethodInfo == null ? null : serverMethodInfo.GetParameters().Select(p => p.ParameterType).ToArray(),
MethodInvoker = serverMethodInfo == null ? null : new MethodInvoker(serverMethodInfo),
ServerInterceptors = serverInterceptors,
ClientInterceptors = clientInterceptors
};
var nonCircuitBreakerAttr = clientMethodInfo.GetCustomAttribute <NonCircuitBreakerAttribute>();
if (nonCircuitBreakerAttr == null)
{
var circuitBreakerAttr = clientMethodInfo.GetCustomAttribute <CircuitBreakerAttribute>();
var globalCircuitBreaker = UraganoSettings.CircuitBreakerOptions;
if (globalCircuitBreaker != null || circuitBreakerAttr != null)
{
var breaker = new ServiceCircuitBreakerOptions();
if (globalCircuitBreaker != null)
{
breaker.Timeout = globalCircuitBreaker.Timeout;
breaker.Retry = globalCircuitBreaker.Retry;
breaker.ExceptionsAllowedBeforeBreaking = globalCircuitBreaker.ExceptionsAllowedBeforeBreaking;
breaker.DurationOfBreak = globalCircuitBreaker.DurationOfBreak;
}
if (circuitBreakerAttr != null)
{
if (circuitBreakerAttr.Timeout.HasValue)
{
breaker.Timeout = circuitBreakerAttr.Timeout.Value;
}
if (circuitBreakerAttr.Retry.HasValue)
{
breaker.Retry = circuitBreakerAttr.Retry.Value;
}
if (circuitBreakerAttr.ExceptionsAllowedBeforeBreaking.HasValue)
{
breaker.ExceptionsAllowedBeforeBreaking =
circuitBreakerAttr.ExceptionsAllowedBeforeBreaking.Value;
}
if (circuitBreakerAttr.DurationOfBreak.HasValue)
{
breaker.DurationOfBreak = circuitBreakerAttr.DurationOfBreak.Value;
}
if (!string.IsNullOrWhiteSpace(circuitBreakerAttr.FallbackExecuteScript))
{
breaker.HasInjection = true;
if (enableClient)
{
ScriptInjection.AddScript(route, circuitBreakerAttr.FallbackExecuteScript,
circuitBreakerAttr.ScriptUsingNameSpaces);
}
}
}
serviceDescriptor.ServiceCircuitBreakerOptions = breaker;
}
}
//Must have a method of returning a value.
if (UraganoSettings.CachingOptions != null && clientMethodInfo.ReturnType != typeof(Task))
{
if (clientMethodInfo.GetCustomAttribute <NonCachingAttribute>() == null && clientMethodInfo.DeclaringType?.GetCustomAttribute <NonCachingAttribute>() == null)
{
var attr = clientMethodInfo.GetCustomAttribute <CachingAttribute>();
var keyGenerator = ServiceProvider.GetRequiredService <ICachingKeyGenerator>();
var key = keyGenerator.GenerateKeyPlaceholder(UraganoSettings.CachingOptions.KeyPrefix, UraganoSettings.CachingOptions.ExpireSeconds, route, clientMethodInfo, attr);
serviceDescriptor.CachingConfig = new CachingConfig
{
CustomKey = attr != null && !string.IsNullOrWhiteSpace(attr.Key),
KeyPlaceholder = key,
ExpireSeconds = string.IsNullOrWhiteSpace(attr?.ExpireSeconds) ? UraganoSettings.CachingOptions.ExpireSeconds : int.Parse(attr.ExpireSeconds)
};
}
}
ServiceInvokers.TryAdd(route, serviceDescriptor);
}
public void Create(string route, MethodInfo serverMethodInfo, MethodInfo clientMethodInfo, List <Type> serverInterceptors, List <Type> clientInterceptors)
{
if (ServiceInvokers.ContainsKey(route))
{
throw new DuplicateRouteException(route);
}
var enableClient = ServiceProvider.GetService <ILoadBalancing>() != null;
ServiceCircuitBreakerOptions breaker = null;
CachingConfig cachingConfig = null;
if (enableClient)
{
#region Circuit breaker
var nonCircuitBreakerAttr = clientMethodInfo.GetCustomAttribute <NonCircuitBreakerAttribute>();
if (nonCircuitBreakerAttr == null)
{
var circuitBreakerAttr = clientMethodInfo.GetCustomAttribute <CircuitBreakerAttribute>();
var globalCircuitBreaker = UraganoSettings.CircuitBreakerOptions;
if (globalCircuitBreaker != null || circuitBreakerAttr != null)
{
breaker = new ServiceCircuitBreakerOptions();
if (globalCircuitBreaker != null)
{
breaker.Timeout = globalCircuitBreaker.Timeout;
breaker.Retry = globalCircuitBreaker.Retry;
breaker.ExceptionsAllowedBeforeBreaking =
globalCircuitBreaker.ExceptionsAllowedBeforeBreaking;
breaker.DurationOfBreak = globalCircuitBreaker.DurationOfBreak;
breaker.MaxParallelization = globalCircuitBreaker.MaxParallelization;
breaker.MaxQueuingActions = globalCircuitBreaker.MaxQueuingActions;
}
if (circuitBreakerAttr != null)
{
if (circuitBreakerAttr.TimeoutMilliseconds > -1)
{
breaker.Timeout = TimeSpan.FromMilliseconds(circuitBreakerAttr.TimeoutMilliseconds);
}
if (circuitBreakerAttr.Retry > -1)
{
breaker.Retry = circuitBreakerAttr.Retry;
}
if (circuitBreakerAttr.ExceptionsAllowedBeforeBreaking > -1)
{
breaker.ExceptionsAllowedBeforeBreaking =
circuitBreakerAttr.ExceptionsAllowedBeforeBreaking;
}
if (circuitBreakerAttr.DurationOfBreakSeconds > -1)
{
breaker.DurationOfBreak = TimeSpan.FromSeconds(circuitBreakerAttr.DurationOfBreakSeconds);
}
if (!string.IsNullOrWhiteSpace(circuitBreakerAttr.FallbackExecuteScript))
{
breaker.HasInjection = true;
ScriptInjection.AddScript(route, circuitBreakerAttr.FallbackExecuteScript,
circuitBreakerAttr.ScriptUsingNameSpaces);
}
if (circuitBreakerAttr.MaxParallelization > -1)
{
breaker.MaxParallelization = circuitBreakerAttr.MaxParallelization;
}
if (circuitBreakerAttr.MaxQueuingActions > -1)
{
breaker.MaxQueuingActions = circuitBreakerAttr.MaxQueuingActions;
}
}
}
}
#endregion
#region Caching
//Must have a method of returning a value.
if (UraganoSettings.CachingOptions != null && clientMethodInfo.ReturnType != typeof(Task) && clientMethodInfo.GetCustomAttribute <NonCachingAttribute>() == null && clientMethodInfo.DeclaringType?.GetCustomAttribute <NonCachingAttribute>() == null)
{
var attr = clientMethodInfo.GetCustomAttribute <CachingAttribute>();
var keyGenerator = ServiceProvider.GetRequiredService <ICachingKeyGenerator>();
var key = keyGenerator.GenerateKeyPlaceholder(UraganoSettings.CachingOptions.KeyPrefix, UraganoSettings.CachingOptions.ExpireSeconds, route, clientMethodInfo, attr);
cachingConfig = new CachingConfig(key, attr != null && !string.IsNullOrWhiteSpace(attr.Key), attr != null && attr.ExpireSeconds != -1 ? attr.ExpireSeconds : UraganoSettings.CachingOptions.ExpireSeconds);
}
#endregion
}
var serviceDescriptor = new ServiceDescriptor(route, serverMethodInfo, clientMethodInfo, serverMethodInfo == null ? null : new MethodInvoker(serverMethodInfo), serverInterceptors, clientInterceptors, breaker, cachingConfig);
ServiceInvokers.TryAdd(route, serviceDescriptor);
}
