Method ProcessCommands

source/Debugger.cpp:183–291

const int MAX_DBGP_ARGS = 16; // More than currently necessary.

int Debugger::ProcessCommands()
{
	// Disable notification of READ readiness and reset socket to synchronous mode.
	u_long zero = 0;
	WSAAsyncSelect(mSocket, g_hWnd, 0, 0);
	ioctlsocket(mSocket, FIONBIO, &zero);

	int err;

	for (;;)
	{
		int command_length;

		if (err = ReceiveCommand(&command_length))
			break; // Already called FatalError().

		char *command = mCommandBuf.mData;
		char *args = strchr(command, ' ');
		char *argv[MAX_DBGP_ARGS];
		int arg_count = 0;

		// transaction_id is considered optional for the following reasons:
		//  - The spec doesn't explicitly say it is mandatory (just "standard").
		//  - We don't actually need it for anything.
		//  - Rejecting the command doesn't seem useful.
		//  - It makes manually typing DBGp commands easier.
		char *transaction_id = "";

		if (args)
		{
			// Split command name and args.
			*args++ = '\0';
			// Split args into arg vector.
			err = ParseArgs(args, argv, arg_count, transaction_id);
		}
		
		if (!err)
		{
			for (int i = 0; ; ++i)
			{
				if (i == _countof(sCommands))
				{
					err = DEBUGGER_E_UNIMPL_COMMAND;
					break;
				}
				if (!strcmp(sCommands[i].mName, command))
				{
					// EXECUTE THE DBGP COMMAND.
					err = (this->*sCommands[i].mFunc)(argv, arg_count, transaction_id);
					break;
				}
			}
		}

		if (!err)
		{
			if (mResponseBuf.mDataUsed)
				err = SendResponse();