private static string ExecuteRequest(ArmaRequest request)
{
_inputBuffer = "";
if (!AvailableExtensions.ContainsKey(request.ExtensionName))
{
throw new ArgumentException($"Extension is not valid: {request.ExtensionName}");
}
var function = FunctionLoader.LoadFunction <CLibFuncDelegate>(AvailableExtensions[request.ExtensionName], request.ActionName);
if (request.TaskId == -1)
{
return(ControlCharacter.STX + function(request.Data) + ControlCharacter.EOT);
}
var task = Task.Run(() => function(request.Data));
if (Tasks.ContainsKey(request.TaskId))
{
Tasks.Remove(request.TaskId);
}
Tasks.Add(request.TaskId, task);
return((ControlCharacter.ACK).ToString());
}
public static ArmaRequest Parse(string input)
{
int headerStart = input.IndexOf(ControlCharacter.SOH);
int textStart = input.IndexOf(ControlCharacter.STX);
int textEnd = input.IndexOf(ControlCharacter.ETX);
string header = input.Substring(headerStart < 0 ? 0 : headerStart + 1, (textStart < 0 ? input.Length : textStart) - 1);
string[] headerValues = header.Split(new [] { ControlCharacter.US }, 3);
var request = new ArmaRequest();
int taskId;
if (!int.TryParse(headerValues[0], out taskId))
{
throw new ArgumentException($"Invalid task id: {headerValues[0]}");
}
request.TaskId = taskId;
request.ExtensionName = headerValues[1].Trim();
request.ActionName = headerValues[2].Trim();
request.Data = textStart < 0 ? "" : input.Substring(textStart + 1, textEnd - textStart - 1);
return(request);
}
public static void RVExtension(StringBuilder output, int outputSize, [MarshalAs(UnmanagedType.LPStr)] string input)
{
outputSize--;
switch (input)
{
case "":
return;
case "debugger":
Debugger.Toggle();
return;
case "version":
output.Append(DllEntry.GetVersion());
break;
default:
switch (input[0])
{
case ControlCharacter.ACK:
output.Append(DllEntry._outputBuffer);
break;
case ControlCharacter.ENQ:
if (Tasks.Count == 0)
{
break;
}
try
{
var completedTasksIndices = new List <int>();
foreach (var taskEntry in Tasks)
{
if (!taskEntry.Value.IsCompleted)
{
continue;
}
try
{
output.Append(ControlCharacter.SOH + taskEntry.Key.ToString() + ControlCharacter.STX + taskEntry.Value.Result);
} catch (Exception e) {
output.Append(ControlCharacter.SOH + taskEntry.Key.ToString() + ControlCharacter.STX);
if (e is AggregateException)
{
((AggregateException)e).Handle(x =>
{
output.Append(x.Message + "\n");
return(true);
});
}
else
{
output.Append(e.Message);
}
}
Debugger.Log("Task result: " + taskEntry.Key);
completedTasksIndices.Add(taskEntry.Key);
}
foreach (int index in completedTasksIndices)
{
Tasks.Remove(index);
}
output.Append(ControlCharacter.EOT);
}
catch (Exception e)
{
Debugger.Log(e);
output.Append(e.Message);
}
break;
default:
try
{
_inputBuffer += input;
if (_inputBuffer[_inputBuffer.Length - 1] == ControlCharacter.ETX)
{
output.Append(ExecuteRequest(ArmaRequest.Parse(_inputBuffer)));
}
else
{
output.Append(ControlCharacter.ACK);
}
}
catch (Exception e)
{
output.Append(e.Message);
}
break;
}
break;
}
List <byte> outputBytes = Encoding.Default.GetBytes(output.ToString()).ToList();
if (outputBytes.Count <= outputSize)
{
return;
}
int outputSplitPosition = outputSize;
while ((outputBytes[outputSplitPosition - 1] & 0xC0) == 0x80)
{
outputSplitPosition--;
}
DllEntry._outputBuffer = Encoding.Default.GetString(outputBytes.GetRange(outputSplitPosition, outputBytes.Count - outputSplitPosition).ToArray());
output = output.Remove(output.Length - DllEntry._outputBuffer.Length, DllEntry._outputBuffer.Length);
}