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/*
* Baltisot
* Copyright (C) 1999-2008 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
*/
#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;
}
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