public async Task <Guid> OpenAsync()
{
if (this.ServiceState != ServiceState.None)
{
throw new InvalidOperationException();
}
this.ServiceState = ServiceState.Opening;
this.Dispatcher = await Dispatcher.CreateAsync(this);
try
{
await this.Dispatcher.InvokeAsync(() =>
{
this.token = ServiceToken.NewToken();
this.serializerProvider = this.componentProvider.GetserializerProvider(this.SerializerType);
this.serializer = this.serializerProvider.Create(this, this.componentProvider.DataSerializers);
this.Debug($"{this.serializerProvider.Name} Serializer created.");
this.adpatorHostProvider = this.componentProvider.GetAdaptorHostProvider(this.AdaptorHostType);
this.adaptorHost = this.adpatorHostProvider.Create(this, this.instanceContext, token);
this.Debug($"{this.adpatorHostProvider.Name} Adaptor created.");
this.adaptorHost.Disconnected += AdaptorHost_Disconnected;
});
await this.instanceContext.InitializeInstanceAsync();
foreach (var item in this.ServiceHosts)
{
await item.OpenAsync(token);
await this.DebugAsync($"{item.Name} Service opened.");
}
await this.adaptorHost.OpenAsync(this.Host, this.Port);
await this.DebugAsync($"{this.adpatorHostProvider.Name} Adaptor opened.");
await this.Dispatcher.InvokeAsync(() =>
{
this.Debug($"Service Context opened.");
this.ServiceState = ServiceState.Open;
this.OnOpened(EventArgs.Empty);
});
return(this.token.Guid);
}
catch
{
this.ServiceState = ServiceState.None;
await this.AbortAsync();
throw;
}
}
public async Task CloseAsync(Guid token, int closeCode)
{
if (token == Guid.Empty || this.token.Guid != token)
{
throw new ArgumentException($"invalid token: {token}", nameof(token));
}
if (this.ServiceState != ServiceState.Open)
{
throw new InvalidOperationException();
}
if (closeCode == int.MinValue)
{
throw new ArgumentException($"invalid close code: '{closeCode}'", nameof(closeCode));
}
try
{
await this.adaptorHost.CloseAsync(closeCode);
await this.DebugAsync($"{this.adpatorHostProvider.Name} Adaptor closed.");
foreach (var item in this.ServiceHosts.Reverse())
{
await item.CloseAsync(this.token);
await this.Dispatcher.InvokeAsync(() =>
{
this.Debug($"{item.Name} Service closed.");
});
}
await this.instanceContext.ReleaseInstanceAsync();
await this.Dispatcher.InvokeAsync(() =>
{
this.adaptorHost.Disconnected -= AdaptorHost_Disconnected;
this.adaptorHost = null;
this.serializer = null;
this.Dispatcher.Dispose();
this.Dispatcher = null;
this.token = ServiceToken.Empty;
this.ServiceState = ServiceState.None;
this.OnClosed(new CloseEventArgs(closeCode));
this.Debug($"Service Context closed.");
});
}
catch (Exception e)
{
await this.AbortAsync();
throw e;
}
}