protected virtual Response callChecked_ListRoomMembers(string[] commandSplit)
{
string errMessage = "";
if (!CpParseUtilities.CheckArgCount(commandSplit, 2, 2, ref errMessage))
{
return(new Response(false, errMessage));
}
string roomName = commandSplit[1];
// get the member list from the upper layer
IEnumerable <string> memberList;
Response res = handle_ListRoomMembers(roomName, out memberList);
// check result
if (!res.Success)
{
return(res);
}
// pack the member list into the response
string membersString = String.Join(":", memberList);
return(new Response(true, membersString));
}
protected virtual Response callChecked_Connect(AmTcpClient newConnection, string commandString, out string requestedUsername)
{
requestedUsername = "";
// This function is special and has to do the extra work of splitting and checking the commandstring.
string[] commandSplit = CpParseUtilities.SplitMessage(commandString, m_stringDelimiter, 2);
// check it is a "connect" request
if (commandSplit[0].ToLower() != "connect")
{
return(new Response(false, "Expected connection request."));
}
// check arguments (should be 2)
string errMessage = "";
if (!CpParseUtilities.CheckArgCount(commandSplit, 2, 2, ref errMessage))
{
return(new Response(false, errMessage));
}
// check if name has a colon in it (not allowed)
requestedUsername = commandSplit[1];
if (requestedUsername.Contains(m_stringDelimiter))
{
return(new Response(false, String.Format("Name shall not contain the delimiter character '{0}'.", m_stringDelimiter)));
}
// attempt to register the user
return(handle_Connect(requestedUsername, newConnection));
}
protected virtual Response callChecked_Disconnect(string[] commandSplit, string username)
{
string errMessage = "";
if (!CpParseUtilities.CheckArgCount(commandSplit, 1, 1, ref errMessage))
{
return(new Response(false, errMessage));
}
return(handle_Disconnect(username));
}
protected virtual Response receiveEvent_Disconnect_checked(string[] commandSplit)
{
string errMessage = "";
if (!CpParseUtilities.CheckArgCount(commandSplit, 1, 1, ref errMessage))
{
return(new Response(false, errMessage));
}
return(handle_Disconnect());
}
protected virtual Response callChecked_UnsubscribeRoom(string[] commandSplit, string username)
{
string errMessage = "";
if (!CpParseUtilities.CheckArgCount(commandSplit, 2, 2, ref errMessage))
{
return(new Response(false, errMessage));
}
string roomName = commandSplit[1];
return(handle_UnsubscribeRoom(roomName, username));
}
protected virtual async Task <Response> callChecked_DeleteRoom(string[] commandSplit)
{
string errMessage = "";
if (!CpParseUtilities.CheckArgCount(commandSplit, 2, 2, ref errMessage))
{
return(new Response(false, errMessage));
}
string roomName = commandSplit[1];
return(await handle_DeleteRoom(roomName));
}
protected virtual Response receiveEvent_RoomDeleted_checked(string[] commandSplit)
{
string errMessage = "";
if (!CpParseUtilities.CheckArgCount(commandSplit, 2, 2, ref errMessage))
{
return(new Response(false, errMessage));
}
string roomName = commandSplit[1];
return(handle_RoomDeleted(roomName));
}
protected virtual async Task <Response> callChecked_MessagePersonalAsync(string[] commandSplit, string fromUsername)
{
string errMessage = "";
if (!CpParseUtilities.CheckArgCount(commandSplit, 3, ref errMessage))
{
return(new Response(false, errMessage));
}
CpParseUtilities.RecombineSplitMessage(ref commandSplit, 2);
string toUsername = commandSplit[1];
string messageText = commandSplit[2];
return(await handle_MessagePersonalAsync(toUsername, fromUsername, messageText));
}
protected virtual Response receiveEvent_MessagePersonal_checked(string[] commandSplit)
{
string errMessage = "";
if (!CpParseUtilities.CheckArgCount(commandSplit, 3, ref errMessage))
{
return(new Response(false, errMessage));
}
CpParseUtilities.RecombineSplitMessage(ref commandSplit, 2);
string fromUsername = commandSplit[1];
string messageText = commandSplit[2];
return(handle_MessagePersonal(fromUsername, messageText));
}
protected virtual Response callChecked_CreateRoom(string[] commandSplit)
{
string errMessage = "";
if (!CpParseUtilities.CheckArgCount(commandSplit, 2, 2, ref errMessage))
{
return(new Response(false, errMessage));
}
string roomName = commandSplit[1];
Debug.Assert(m_stringDelimiter == ':');
if (roomName.Contains(m_stringDelimiter))
{
return(new Response(false, "Room name shall not contain a colon."));
}
return(handle_CreateRoom(roomName));
}
protected override async Task <Tuple <bool, Response> > callChecked_FileUpAsync(FtClient ftClient, string[] commandSplit)
{
string errMessage = "";
if (!CpParseUtilities.CheckArgCount(commandSplit, 2, 2, ref errMessage))
{
return(new Tuple <bool, Response>(true, new Response(false, errMessage)));
}
// get filename
string filename = commandSplit[1];
// create a file
using (Stream fileOut = FtFileManager.OpenForWrite(filename, out errMessage))
{
if (fileOut == null)
{
return(new Tuple <bool, Response>(true, new Response(false, errMessage)));
}
// send ok (ready to receive file)
bool stillConnected = await SendResponseAsync(ftClient.SerializerAsync, true, "");
if (!stillConnected)
{
return(new Tuple <bool, Response>(false, null));
}
// receive file
var fileReceiveResult = await FtFileManager.FileReceiveAsync(ftClient.Client, fileOut);
if (!fileReceiveResult.Item1)
{
return(new Tuple <bool, Response>(fileReceiveResult.Item1, null));
}
// send ok (file was received ok)
return(new Tuple <bool, Response>(true, fileReceiveResult.Item2));
}
}
protected override async Task <Tuple <bool, Response> > callChecked_FileDownAsync(FtClient ftClient, string[] commandSplit)
{
string errMessage = "";
if (!CpParseUtilities.CheckArgCount(commandSplit, 2, 2, ref errMessage))
{
return(new Tuple <bool, Response>(true, new Response(false, errMessage)));
}
// get filename
string filename = commandSplit[1];
// open the file
using (Stream fileIn = FtFileManager.OpenForRead(filename, out errMessage))
{
if (fileIn == null)
{
return(new Tuple <bool, Response>(true, new Response(false, errMessage)));
}
// send ok (ready to send file)
bool stillConnected = await SendResponseAsync(ftClient.SerializerAsync, true, "");
if (!stillConnected)
{
return(new Tuple <bool, Response>(false, null));
}
// send file
stillConnected = await FtFileManager.FileSendAsync(ftClient.Client, fileIn);
if (!stillConnected)
{
return(new Tuple <bool, Response>(false, null));
}
}
return(new Tuple <bool, Response>(true, new Response(true, "")));
}
protected virtual Response callChecked_ListRooms(string[] commandSplit)
{
string errMessage = "";
if (!CpParseUtilities.CheckArgCount(commandSplit, 1, 1, ref errMessage))
{
return(new Response(false, errMessage));
}
// get the room list from upper layer
IEnumerable <string> roomList;
Response res = handle_ListRooms(out roomList);
// the handler actually can't fail, but leave this check in anyway
if (!res.Success)
{
return(res);
}
// pack the room list into the response message
string roomsString = String.Join(":", roomList);
return(new Response(true, roomsString));
}