/**
* Process the given data and error for a render response.
*/
public void ProcessRenderResponse(byte[] data, string error, bool valid = true)
{
RSOutgoingCommand lastCommand = currentCommands[currentCommands.Count - 1];
RSRenderCommand renderCommand = lastCommand.Command as RSRenderCommand;
if (renderCommand == null)
{
Logger.Log("error", "Error getting last render command.");
ResponseCompleted();
return;
}
// If our render target can't be used anymore then ignore
if (renderCommand.Target != null && !renderCommand.Target.Valid())
{
return;
}
try
{
if (data != null && data.Length >= 2 && (char)data[0] == '[' && (char)data[1] == '{')
{
ArrayList errors = JSON.JsonDecode(System.Text.Encoding.UTF8.GetString(data)) as ArrayList;
Hashtable errorResp = errors[0] as Hashtable;
Hashtable errorObj = errorResp["error"] as Hashtable;
error = errorObj["message"].ToString();
}
if (error != null)
{
lastCommand.DoClientErrorCallback(error, -2);
renderCommand.Target.OnError(error);
}
else if (valid)
{
if (valid)
{
bool continueProcessing = renderCommand.Target.OnLoad(renderCommand, this, data);
if (!continueProcessing)
{
return;
}
}
lastCommand.DoResultCallback(new Hashtable()
{
{ "result", new Hashtable() }, { "valid", valid }
});
}
}
catch (Exception e)
{
Logger.Log("error", "Error handling render callback: " + e.ToString());
}
ResponseCompleted();
}
public void ProcessResponses(string str)
{
Logger.Log("debug", "Received: " + str);
ArrayList responses = null;
try
{
responses = JSON.JsonDecode(str) as ArrayList;
}
catch (Exception exp)
{
// Error
Logger.Log("error", "Error parsing responses: " + exp.ToString());
ResponseCompleted();
return;
}
if (responses == null)
{
Logger.Log("error", "Error parsing responses: parsed responses was null.");
ResponseCompleted();
return;
}
for (int i = 0; i < responses.Count; i++)
{
Hashtable resp = responses[i] as Hashtable;
if (resp == null)
{
// Error
Logger.Log("error", "Unable to get response as hashtable: " + responses[i]);
continue;
}
if (resp.Contains("id"))
{
int id = Convert.ToInt32(resp["id"]);
RSOutgoingCommand cmd = currentCommandsResponseMap[id];
cmd.DoResultCallback(resp);
}
else
{
Logger.Log("error", "Response does not contain an id: " + resp);
}
}
ResponseCompleted();
}
/**
* Returns a sub sequence as an RSCommandSequence object that is safe to send in a single HTTP request.
*/
public RSCommandSequence GetSafeSubsequence()
{
RSCommandSequence safeSeq = new RSCommandSequence(Service, StateData);
if (commands.Count == 0)
{
return(safeSeq);
}
// Does the subsequence contain callbacks.
bool hasCallbacks = false;
// Does the subsequence contain a render.
bool hasRenderCommand = false;
// Go through commands an decide which are safe in a single request
int i = 0;
for (; i < commands.Count; i++)
{
RSOutgoingCommand command = commands[i];
if (command.Command is RSRenderCommand)
{
// Two cases:
if (hasCallbacks)
{
// Case 1: There are callbacks,
// so not safe to include the render command.
break;
}
// Case 2: There are no callbacks, so we can add the render
// command to the safe sequence and then break.
hasRenderCommand = true;
if (command.Callback != null)
{
hasCallbacks = true;
}
// We must increase i otherwise the render command will not be included.
i++;
break;
}
if (command.Callback != null)
{
hasCallbacks = true;
}
}
// i now equals the number of commands that are safe to send. Splice the
// array into a safe part (return) and a non-safe part (keep).
List <RSOutgoingCommand> safeCommands = commands;
if (i < commands.Count)
{
safeCommands = commands.GetRange(0, i);
commands.RemoveRange(0, i);
}
else
{
commands = new List <RSOutgoingCommand>();
}
safeSeq.commands = safeCommands;
safeSeq.ContainsResponseHandlers = hasCallbacks;
safeSeq.ContainsRenderCommands = hasRenderCommand;
return(safeSeq);
}
