public static RemoteException Create(Exception exception, RmiRequestDto body) {
var sb = new StringBuilder();
sb.AppendLine("== Courier-Proxied Remote Exception ==");
sb.AppendLine("RequestId = " + body.InvocationId);
sb.AppendLine("ServiceId = " + body.ServiceId);
sb.AppendLine("Method = " + body.MethodName + "<" + body.MethodGenericArguments.Join(", ") + ">");
sb.AppendLine("Exception = ...");
sb.AppendLine(exception.ToString());
sb.AppendLine();
return new RemoteException(sb.ToString());
}
public async Task<RmiResponseDto> Invoke(RemoveServiceInfo serviceInfo, MethodInfo methodInfo, object[] methodArguments) {
var invocationId = Guid.NewGuid();
var request = new RmiRequestDto {
InvocationId = invocationId,
MethodArguments = methodArguments,
MethodGenericArguments = methodInfo.GetGenericArguments(),
MethodName = methodInfo.Name,
ServiceId = serviceInfo.ServiceId
};
if (logger.IsDebugEnabled) {
logger.Debug($"Sending RMI {invocationId.ToString("n").Substring(0, 6)} Request on method {methodInfo.Name} for service {serviceInfo.ServiceType.Name}. Local: {localIdentity.Id.ToString("n").Substring(0, 6)}, Remote: {serviceInfo.Peer.Identity.Id.ToString("n").Substring(0, 6)}");
}
if (localIdentity.Id == serviceInfo.Peer.Identity.Id) {
if (logger.IsErrorEnabled) {
logger.Error($"Swallowing as routed to self - RMI {invocationId.ToString("n").Substring(0, 6)} Request on method {methodInfo.Name} for service {serviceInfo.ServiceType.Name}. Local: {localIdentity.Id.ToString("n").Substring(0, 6)}, Remote: {serviceInfo.Peer.Identity.Id.ToString("n").Substring(0, 6)}");
}
throw new ArgumentException("Attempted to perform remote service invocation on self.");
}
var responseBox = new AsyncBox<RmiResponseDto>();
responseBoxes.AddOrThrow(invocationId, responseBox);
await messenger.SendReliableAsync(request, serviceInfo.Peer.Identity.Id).ConfigureAwait(false);
if (logger.IsDebugEnabled) {
logger.Debug($"Sent RMI {invocationId.ToString("n").Substring(0, 6)} Request on method {methodInfo.Name} for service {serviceInfo.ServiceType.Name}");
}
// response box removed by HandleInvocationResponse - don't cleanup
var result = await responseBox.GetResultAsync().ConfigureAwait(false);
if (logger.IsDebugEnabled) {
logger.Debug($"Received RMI {invocationId.ToString("n").Substring(0, 6)} Response on method {methodInfo.Name} for service {serviceInfo.ServiceType.Name}");
}
return result;
}
public static string GenerateErrorMessage(RmiRequestDto request) {
return $"Service of guid {request.ServiceId} unavailable (attempting to invoke method {request.MethodName}).";
}
public ServiceUnavailableException(RmiRequestDto request) : base(GenerateErrorMessage(request)) {
}
