From 0743b52c2756e2aef71deea4cc9d5c8a71b640c5 Mon Sep 17 00:00:00 2001 From: pixel Date: Thu, 31 May 2007 13:28:32 +0000 Subject: Adding a telnet command-line to the Lua system. --- include/LuaCommandLine.h | 41 ++++++++++++ lib/LuaCommandLine.cc | 158 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 199 insertions(+) create mode 100644 include/LuaCommandLine.h create mode 100644 lib/LuaCommandLine.cc diff --git a/include/LuaCommandLine.h b/include/LuaCommandLine.h new file mode 100644 index 0000000..f8abc92 --- /dev/null +++ b/include/LuaCommandLine.h @@ -0,0 +1,41 @@ +/* + * Baltisot + * Copyright (C) 1999-2007 Nicolas "Pixel" Noble + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* $Id: LuaCommandLine.h,v 1.1 2007-05-31 13:28:32 pixel Exp $ */ + +#ifndef __LUACOMMANDLINE_H__ +#define __LUACOMMANDLINE_H__ + +#include +#include +#include + +class LuaCommandLine : public Task { + public: + LuaCommandLine(Lua * _L, int _port = 1550); + virtual ~LuaCommandLine(); + virtual String GetName(); + virtual int Do() throw (GeneralException); + private: + Lua * L; + int port; + Socket Listener; +}; + +#endif diff --git a/lib/LuaCommandLine.cc b/lib/LuaCommandLine.cc new file mode 100644 index 0000000..add2021 --- /dev/null +++ b/lib/LuaCommandLine.cc @@ -0,0 +1,158 @@ +/* + * Baltisot + * Copyright (C) 1999-2007 Nicolas "Pixel" Noble + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* $Id: LuaCommandLine.cc,v 1.1 2007-05-31 13:28:32 pixel Exp $ */ + +#include "LuaCommandLine.h" +#include "Buffer.h" +#include "CopyJob.h" +#include "ReadJob.h" +#include "LuaTask.h" + +class CommandLineSpawn; + +class LuaCommandLinePrinter : public LuaPrinter { + public: + LuaCommandLinePrinter(CommandLineSpawn * _cls) : cls(_cls) { } + virtual void puts(const char * msg); + private: + CommandLineSpawn * cls; +}; + +class CommandLineSpawn : public Task { + public: + CommandLineSpawn(Lua * _L, const Socket & _s) : L(_L), s(_s) { + SetBurst(); + p = new LuaCommandLinePrinter(this); + b << "Lua Command Line - Ready to serve.\n"; + nL = L->thread(1); + L->pop(); + nL->SetPrinter(p); + } + virtual ~CommandLineSpawn() { + delete p; + } + void puts(const char * msg) { + b << msg; + } + virtual String GetName() { + return "Command Line Spawn"; + } + virtual int Do() throw (GeneralException) { + switch (current) { + case 0: + delete c; + c = 0; + + cmd = ""; + if (!s.IsConnected()) return TASK_DONE; + + b << "> "; + c = new CopyJob(&b, &s, b.GetSize()); + WaitFor(c); + current = 1; + Suspend(TASK_ON_HOLD); + + case 1: + delete c; + c = 0; + + if (s.IsClosed()) return TASK_DONE; + + c = new ReadJob(&s, &b, any); + WaitFor(c); + current = 2; + Suspend(TASK_ON_HOLD); + + case 2: + delete c; + c = 0; + + if (s.IsClosed()) return TASK_DONE; + + b >> t; + if (t[t.strlen() - 1] != '\\') { + cmd = cmd + t + "\n"; + pbuff = 0; + c = new LuaTask(nL, cmd); + cmd = ""; + WaitFor(c); + current = 0; + } else { + String e = t.extract(0, t.strlen() - 2); + cmd = cmd + e + "\n"; + c = new ReadJob(&s, &b, any); + WaitFor(c); + } + Suspend(TASK_ON_HOLD); + } + } + private: + Lua * L; + Lua * nL; + Socket s; + Buffer b; + Buffer * pbuff; + Task * c; + String t; + String cmd; + LuaPrinter * p; +}; + +void LuaCommandLinePrinter::puts(const char * msg) { + cls->puts(msg); +} + + +LuaCommandLine::LuaCommandLine(Lua * _L, int _port) : L(_L), port(_port) { + bool r = true; + + r = Listener.SetLocal("", port); + if (!r) { + throw GeneralException("Initialisation of CommandLine failed: can't bind."); + } + + r = Listener.Listen(); + + if (!r) { + throw GeneralException("Initialisation of CommandLine failed: can't listen."); + } + + Listener.SetNonBlock(); + WaitFor(&Listener, W4_STICKY | W4_READING); +} + +LuaCommandLine::~LuaCommandLine() { + Listener.close(); +} + +String LuaCommandLine::GetName() { + return "Command Line"; +} + +int LuaCommandLine::Do() throw (GeneralException) { + try { + Socket s = Listener.Accept(); + s.SetNonBlock(); + new CommandLineSpawn(L, s); + } + catch (GeneralException) { + } + return TASK_ON_HOLD; +} -- cgit v1.2.3