/// <inheritdoc />
public Task ExecuteAsync(IServerCommand serverCommand, CancellationToken cancellationToken)
{
var serverCommandType = serverCommand.GetType();
if (!_serverCommandHandlerInfo.TryGetValue(serverCommandType, out var commandHandlerInfo))
{
var handlerType = typeof(IServerCommandHandler <>).MakeGenericType(serverCommandType);
var executeAsyncMethod = handlerType.GetRuntimeMethod("ExecuteAsync", new[] { serverCommandType, typeof(CancellationToken) });
var handler = _ftpConnectionAccessor.FtpConnection.ConnectionServices.GetRequiredService(handlerType);
commandHandlerInfo = new CommandHandlerInfo(handler, executeAsyncMethod);
_serverCommandHandlerInfo.Add(serverCommandType, commandHandlerInfo);
}
return((Task)commandHandlerInfo.ExecuteMethodInfo.Invoke(
commandHandlerInfo.CommandHandler,
new object[] { serverCommand, cancellationToken }));
}
/// <inheritdoc />
public Task ExecuteAsync(IServerCommand serverCommand, CancellationToken cancellationToken)
{
var serverCommandType = serverCommand.GetType();
if (!_serverCommandHandlerDelegates.TryGetValue(serverCommandType, out var cmdDelegate))
{
var handlerType = typeof(IServerCommandHandler <>).MakeGenericType(serverCommandType);
var executeAsyncMethod = handlerType.GetRuntimeMethod("ExecuteAsync", new[] { serverCommandType, typeof(CancellationToken) });
var handler = _ftpConnectionAccessor.FtpConnection.ConnectionServices.GetRequiredService(handlerType);
var commandParameter = Expression.Parameter(serverCommandType, "serverCommand");
var cancellationTokenParameter = Expression.Parameter(typeof(CancellationToken), "cancellationToken");
var call = Expression.Call(
Expression.Constant(handler),
executeAsyncMethod,
commandParameter,
cancellationTokenParameter);
var expr = Expression.Lambda(call, commandParameter, cancellationTokenParameter);
cmdDelegate = expr.Compile();
_serverCommandHandlerDelegates.Add(serverCommandType, cmdDelegate);
}
return((Task)cmdDelegate.DynamicInvoke(serverCommand, cancellationToken) !);
}
private void sendCommand(IServerCommand command)
{
socket.Emit(command.GetType().Name, new JSONObject(command.ToJsonString()));
}
