void UnregisterInstance(bool safe)
{
if (!registered)
{
return;
}
GuidData[] registeredApplicationInstances = GetApplicationInstances(true);
GuidData[] newApplicationInstances = new GuidData[registeredApplicationInstances.Length - 1];
int i = 0;
foreach (GuidData instance in registeredApplicationInstances)
{
if (instance.AsGuid == applicationInstanceId.AsGuid)
{
continue;
}
newApplicationInstances[i] = instance;
++i;
}
UpdateInstancesFile(newApplicationInstances);
registered = false;
if (!safe && applicationInstanceHost != null)
{
DeleteInstance();
}
}
public async void Can_Get_From_DB_Then_Set_To_Cache_Before_Cached()
{
var guid = Guid.NewGuid();
var guidString = guid.ToString("N").ToUpper();
var expected = new GuidData()
{
Guid = guid, User = "******", Expire = DateTimeOffset.UtcNow.AddDays(30).ToUnixTimeSeconds()
};
_cacheMock.GetAsync(Arg.Is <string>(x => x == "GuidData_" + guidString)).Returns(default(byte[]));
_dbMock.GetGuidData(Arg.Is <Guid>(x => x == guid)).Returns(expected);
var actual = await _repo.GetGuidData(guid);
Assert.NotNull(actual);
Assert.Equal(expected.Guid, actual.Guid);
Assert.Equal(expected.User, actual.User);
Assert.Equal(expected.Expire, actual.Expire);
await _cacheMock.Received(1).GetAsync(Arg.Any <string>());
await _cacheMock.Received(1).SetAsync(Arg.Any <string>(), Arg.Any <byte[]>(), Arg.Any <DistributedCacheEntryOptions>());
await _dbMock.Received(1).GetGuidData(Arg.Any <Guid>());
}
protected bool IsAlive(GuidData instance)
{
bool isAliveFlagFileExists = false;
Tuple <IntPtr, IntPtr> file = CreateFileMappingAndMapView(1, GetIsAliveFlagFileName(instance), out isAliveFlagFileExists);
UnmapViewAndCloseFileMapping(file);
return(isAliveFlagFileExists);
}
void DeleteInstance()
{
UnmapViewAndCloseFileMapping(isAliveFlagFile);
isAliveFlagFile = null;
applicationInstanceHost.Close(new TimeSpan(0, 0, 0, 0, MillisecondsTimeout));
applicationInstanceHost = null;
applicationInstanceId = new GuidData(Guid.Empty);
}
// like AMQP does it
static void WriteUuidSpan(byte[] buffer, Guid data)
{
var destination = buffer.AsSpan();
GuidData guidData = System.Runtime.CompilerServices.Unsafe.As <Guid, GuidData>(ref data);
destination[15] = guidData._k; // hoist bounds checks
BinaryPrimitives.WriteInt32BigEndian(destination, guidData._a);
BinaryPrimitives.WriteInt16BigEndian(destination[4..], guidData._b);
/// <summary>
/// Set cache after data created or updated
/// </summary>
/// <param name="guidData">The guidData</param>
/// <returns>The affected data and: <c>true</c> if updating was performed vs creating; otherwise, <c>false</c></returns>
public async Task <(GuidData, bool)> UpsertGuidData(GuidData guidData)
{
var(upserted, isUpdated) = await _decorated.UpsertGuidData(guidData);
if (upserted != null)
{
await _cache.SetStringAsync(_cacheKey(upserted.Guid), JsonConvert.SerializeObject(upserted), _expire(upserted.Expire));
}
return(upserted, isUpdated);
}
/// <summary>
/// Set cache after data created
/// </summary>
/// <param name="guidData" cref="GuidData">The guidData</param>
/// <returns>The newly created GuidData</returns>
public async Task <GuidData> CreateGuidData(GuidData guidData)
{
var created = await _decorated.CreateGuidData(guidData);
if (created != null)
{
await _cache.SetStringAsync(_cacheKey(created.Guid), JsonConvert.SerializeObject(created), _expire(created.Expire));
}
return(created);
}
void CreateInstance()
{
applicationInstanceId = new GuidData(Guid.NewGuid());
applicationInstanceHost = new ServiceHost(new ApplicationInstance(this), new Uri(GetServiceUri(applicationInstanceId)));
applicationInstanceHost.AddServiceEndpoint(typeof(IApplicationInstance), new NetNamedPipeBinding(), EndPointName);
applicationInstanceHost.Open(new TimeSpan(0, 0, 0, 0, MillisecondsTimeout));
bool alreadyExists;
isAliveFlagFile = CreateFileMappingAndMapView(1, GetIsAliveFlagFileName(applicationInstanceId), out alreadyExists);
}
public override int GetHashCode()
{
unchecked
{
var hashCode = GuidData.GetHashCode();
hashCode = (hashCode * 397) ^ IntData;
hashCode = (hashCode * 397) ^ (StringData != null ? StringData.GetHashCode() : 0);
hashCode = (hashCode * 397) ^ DateData.GetHashCode();
return(hashCode);
}
}
protected GuidData[] GetApplicationInstances(bool isCurrentProcessApplicationInstance)
{
Tuple <IntPtr, IntPtr> instancesFile = GetInstancesFile();
GuidData listProperties = (GuidData)Marshal.PtrToStructure(instancesFile.Item2, typeof(GuidData));
int instancesCount = listProperties.Byte0;
GuidData[] instances = new GuidData[instancesCount];
for (int i = 0; i < instancesCount; ++i)
{
instances[i] = (GuidData)Marshal.PtrToStructure(instancesFile.Item2 + (1 + i) * Marshal.SizeOf(typeof(GuidData)), typeof(GuidData));
}
return(instances);
}
void RegisterInstance()
{
if (registered)
{
return;
}
GuidData[] registeredApplicationInstances = GetApplicationInstances(true);
CreateInstance();
GuidData[] newApplicationInstances = new GuidData[registeredApplicationInstances.Length + 1];
newApplicationInstances[0] = applicationInstanceId;
Array.Copy(registeredApplicationInstances, 0, newApplicationInstances, 1, registeredApplicationInstances.Length);
UpdateInstancesFile(newApplicationInstances);
registered = true;
}
public bool Equals(TestPublication other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(GuidData.Equals(other.GuidData) &&
IntData == other.IntData &&
string.Equals(StringData, other.StringData) &&
DateData.Equals(other.DateData));
}
protected void UpdateInstancesFile(GuidData[] instances)
{
Tuple <IntPtr, IntPtr> instancesFile = GetInstancesFile();
byte instancesCount = CorceInstancesCount(instances.Length);
for (int i = 0; i < instancesCount; ++i)
{
Marshal.StructureToPtr(instances[i], instancesFile.Item2 + (1 + i) * Marshal.SizeOf(typeof(GuidData)), false);
}
GuidData listProperties = new GuidData()
{
Byte0 = instancesCount
};
Marshal.StructureToPtr(listProperties, instancesFile.Item2, false);
}
public async void Can_Get_From_Cache_After_Cached()
{
var guid = Guid.NewGuid();
var guidString = guid.ToString("N").ToUpper();
var raw = new GuidData {
Guid = guid, User = "******", Expire = DateTimeOffset.UtcNow.AddDays(30).ToUnixTimeSeconds()
};
var cached = JsonConvert.SerializeObject(raw);
_cacheMock.GetAsync(Arg.Is <string>(x => x == "GuidData_" + guidString)).Returns(Encoding.ASCII.GetBytes(cached));
var actual = await _repo.GetGuidData(guid);
Assert.NotNull(actual);
Assert.Equal(guid, actual.Guid);
await _dbMock.DidNotReceive().GetGuidData(Arg.Any <Guid>());
}
public IEnumerator GetId(Action <GuidData> onSuccess, Action onFailure)
{
using (UnityWebRequest request = UnityWebRequest.Get("https://us-central1-pok-game.cloudfunctions.net/getUniqueGuidRequest"))
{
yield return(request.SendWebRequest());
if (request.isNetworkError == true)
{
Debug.LogError("An error has occured while getting user GUID: " + request.error);
onFailure?.Invoke();
}
else
{
Debug.Log($"Successfully retrieved GUID: {request.downloadHandler.text}");
GuidData data = new GuidData();
data.guid = request.downloadHandler.text;
onSuccess?.Invoke(data);
}
}
}
public async void Can_Set_To_Cache_When_Upserted()
{
var guid = Guid.NewGuid();
var guidString = guid.ToString("N").ToUpper();
var expected = new GuidData()
{
Guid = guid, User = "******", Expire = DateTimeOffset.UtcNow.AddDays(30).ToUnixTimeSeconds()
};
_dbMock.UpsertGuidData(Arg.Is <GuidData>(x => x.Guid == expected.Guid)).Returns((expected, true));
var(actual, isUpdated) = await _repo.UpsertGuidData(expected);
Assert.NotNull(actual);
Assert.Equal(expected.Guid, actual.Guid);
Assert.Equal(expected.User, actual.User);
Assert.Equal(expected.Expire, actual.Expire);
await _dbMock.Received(1).UpsertGuidData(Arg.Any <GuidData>());
await _cacheMock.Received(1).SetAsync(Arg.Any <string>(), Arg.Any <byte[]>(), Arg.Any <DistributedCacheEntryOptions>());
}
/// <summary>
/// Create GuidData
/// </summary>
/// <param name="guidData" cref="GuidData">The guidData</param>
/// <returns>The created guidData</returns>
/// <exception cref="ConflictResourceException">If the guid already exists</exception>
async Task <GuidData> IGuidDataRepository.CreateGuidData(GuidData guidData)
{
try
{
using (var db = new SqlConnection(_connectionString))
{
db.Open();
await db.ExecuteAsync(
"dbo.CreateGuidData",
new { guid = guidData.Guid, user = guidData.User, expire = guidData.Expire },
commandTimeout : _commandTimeoutInSeconds,
commandType : CommandType.StoredProcedure);
return(guidData);
}
}
catch (SqlException ex) when(ex.Number == 2601 || ex.Number == 2627)
{
throw new ConflictResourceException(ex);
}
}
void UnregisterInstance(bool safe) {
if(!registered) return;
GuidData[] registeredApplicationInstances = GetApplicationInstances(true);
GuidData[] newApplicationInstances = new GuidData[registeredApplicationInstances.Length - 1];
int i = 0;
foreach(GuidData instance in registeredApplicationInstances) {
if(instance.AsGuid == applicationInstanceId.AsGuid) continue;
newApplicationInstances[i] = instance;
++i;
}
UpdateInstancesFile(newApplicationInstances);
registered = false;
if(!safe && applicationInstanceHost != null)
DeleteInstance();
}
void CreateInstance() {
applicationInstanceId = new GuidData(Guid.NewGuid());
applicationInstanceHost = new ServiceHost(new ApplicationInstance(this), new Uri(GetServiceUri(applicationInstanceId)));
applicationInstanceHost.AddServiceEndpoint(typeof(IApplicationInstance), new NetNamedPipeBinding(), EndPointName);
applicationInstanceHost.Open(new TimeSpan(0, 0, 0, 0, MillisecondsTimeout));
bool alreadyExists;
isAliveFlagFile = CreateFileMappingAndMapView(1, GetIsAliveFlagFileName(applicationInstanceId), out alreadyExists);
}
void DeleteInstance() {
UnmapViewAndCloseFileMapping(isAliveFlagFile);
isAliveFlagFile = null;
applicationInstanceHost.Close(new TimeSpan(0, 0, 0, 0, MillisecondsTimeout));
applicationInstanceHost = null;
applicationInstanceId = new GuidData(Guid.Empty);
}
protected void UpdateInstancesFile(GuidData[] instances) {
Tuple<IntPtr, IntPtr> instancesFile = GetInstancesFile();
byte instancesCount = CorceInstancesCount(instances.Length);
for(int i = 0; i < instancesCount; ++i)
Marshal.StructureToPtr(instances[i], instancesFile.Item2 + (1 + i) * Marshal.SizeOf(typeof(GuidData)), false);
GuidData listProperties = new GuidData() { Byte0 = instancesCount };
Marshal.StructureToPtr(listProperties, instancesFile.Item2, false);
}
void RegisterInstance() {
if(registered) return;
GuidData[] registeredApplicationInstances = GetApplicationInstances(true);
CreateInstance();
GuidData[] newApplicationInstances = new GuidData[registeredApplicationInstances.Length + 1];
newApplicationInstances[0] = applicationInstanceId;
Array.Copy(registeredApplicationInstances, 0, newApplicationInstances, 1, registeredApplicationInstances.Length);
UpdateInstancesFile(newApplicationInstances);
registered = true;
}
protected Tuple<MemoryMappedFile, int> GetInstancesFile() {
InstancesProperties listProperties;
using(var acccessor = InstancesPropertiesFile.CreateViewAccessor())
acccessor.Read(0, out listProperties);
if(listProperties.NameSuffix.AsGuid != instancesFileNameSuffix.AsGuid) {
if(instancesFile != null)
instancesFile.Dispose();
instancesFileNameSuffix = listProperties.NameSuffix;
instancesFile = instancesFileNameSuffix.AsGuid == Guid.Empty ? null : MemoryMappedFile.OpenExisting(GetInstancesFileName(instancesFileNameSuffix));
}
return new Tuple<MemoryMappedFile, int>(instancesFile, listProperties.InstancesCount);
}
protected bool IsAlive(GuidData instance) {
bool isAliveFlagFileExists = false;
Tuple<IntPtr, IntPtr> file = CreateFileMappingAndMapView(1, GetIsAliveFlagFileName(instance), out isAliveFlagFileExists);
UnmapViewAndCloseFileMapping(file);
return isAliveFlagFileExists;
}
void SendExecuteMessage(GuidData[] applicationInstances, string command) {
List<Exception> exceptions = null;
foreach(GuidData applicationInstanceId in applicationInstances) {
try {
using(ChannelFactory<IApplicationInstance> pipeFactory = new ChannelFactory<IApplicationInstance>(new NetNamedPipeBinding(), new EndpointAddress(string.Format("{0}/{1}", GetServiceUri(applicationInstanceId), EndPointName)))) {
IApplicationInstance pipeProxy = pipeFactory.CreateChannel();
pipeProxy.Execute(command);
}
} catch(CommunicationException) {
} catch(Exception e) {
if(exceptions == null)
exceptions = new List<Exception>();
exceptions.Add(e);
}
}
if(exceptions != null)
throw new InvalidOperationException("", new AggregateException(exceptions.ToArray()));
}
void DeleteInstance() {
applicationInstanceHost.Close(new TimeSpan(0, 0, 0, 0, MillisecondsTimeout));
applicationInstanceHost = null;
applicationInstanceId = new GuidData(Guid.Empty);
}
string GetInstancesFileName(GuidData instancesFileNameSuffix) {
return InstancesFileNamePrefix + instancesFileNameSuffix.AsGuid.ToString();
}
protected void UpdateInstancesFile(GuidData[] instances) {
if(instancesFile != null)
instancesFile.Dispose();
if(instances.Length != 0) {
instancesFileNameSuffix = new GuidData(Guid.NewGuid());
instancesFile = MemoryMappedFile.CreateNew(GetInstancesFileName(instancesFileNameSuffix), instances.Length * Marshal.SizeOf(typeof(GuidData)));
using(var accessor = instancesFile.CreateViewAccessor())
accessor.WriteArray(0, instances, 0, instances.Length);
} else {
instancesFile = null;
instancesFileNameSuffix = new GuidData(Guid.Empty);
}
InstancesProperties listProperties = new InstancesProperties() { InstancesCount = instances.Length, NameSuffix = instancesFileNameSuffix };
using(var acccessor = InstancesPropertiesFile.CreateViewAccessor())
acccessor.Write(0, ref listProperties);
}
void CreateInstance() {
applicationInstanceId = new GuidData(Guid.NewGuid());
applicationInstanceHost = new ServiceHost(new ApplicationInstance(this), new Uri(GetServiceUri(applicationInstanceId)));
applicationInstanceHost.AddServiceEndpoint(typeof(IApplicationInstance), new NetNamedPipeBinding(), EndPointName);
applicationInstanceHost.Open(new TimeSpan(0, 0, 0, 0, MillisecondsTimeout));
}
protected static string GetIsAliveFlagFileName(GuidData applicationInstance)
{
return(string.Format("IsAlive_{0}{1}", InstanceNamePrefix, applicationInstance.AsGuid));
}
protected static string GetServiceUri(GuidData applicationInstance)
{
return(string.Format("net.pipe://localhost/{0}{1}", InstanceNamePrefix, applicationInstance.AsGuid));
}
protected static string GetServiceUri(GuidData applicationInstance) {
return string.Format("net.pipe://localhost/{0}{1}", InstanceNamePrefix, applicationInstance.AsGuid);
}
protected static string GetIsAliveFlagFileName(GuidData applicationInstance) {
return string.Format("IsAlive_{0}{1}", InstanceNamePrefix, applicationInstance.AsGuid);
}
void UnregisterInstance() {
if(applicationInstanceHost == null) return;
GuidData[] registeredApplicationInstances = GetApplicationInstances();
GuidData[] newApplicationInstances = new GuidData[registeredApplicationInstances.Length - 1];
int i = 0;
foreach(GuidData instance in registeredApplicationInstances) {
if(instance.AsGuid == applicationInstanceId.AsGuid) continue;
newApplicationInstances[i] = instance;
++i;
}
UpdateInstancesFile(newApplicationInstances);
DeleteInstance();
}
protected GuidData[] GetApplicationInstances(bool isCurrentProcessApplicationInstance) {
Tuple<IntPtr, IntPtr> instancesFile = GetInstancesFile();
GuidData listProperties = (GuidData)Marshal.PtrToStructure(instancesFile.Item2, typeof(GuidData));
int instancesCount = listProperties.Byte0;
GuidData[] instances = new GuidData[instancesCount];
for(int i = 0; i < instancesCount; ++i)
instances[i] = (GuidData)Marshal.PtrToStructure(instancesFile.Item2 + (1 + i) * Marshal.SizeOf(typeof(GuidData)), typeof(GuidData));
return instances;
}
void RegisterInstance(GuidData[] registeredApplicationInstances = null) {
if(applicationInstanceHost != null) return;
if(registeredApplicationInstances == null)
registeredApplicationInstances = GetApplicationInstances();
CreateInstance();
GuidData[] newApplicationInstances = new GuidData[registeredApplicationInstances.Length + 1];
newApplicationInstances[0] = applicationInstanceId;
Array.Copy(registeredApplicationInstances, 0, newApplicationInstances, 1, registeredApplicationInstances.Length);
UpdateInstancesFile(newApplicationInstances);
}
protected GuidData[] GetApplicationInstances() {
Tuple<MemoryMappedFile, int> instancesFile = GetInstancesFile();
if(instancesFile.Item2 == 0) return new GuidData[] { };
GuidData[] instances = new GuidData[instancesFile.Item2];
using(var accessor = instancesFile.Item1.CreateViewAccessor())
accessor.ReadArray(0, instances, 0, instances.Length);
return instances;
}