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/***************************************************************************
TDEProcessConnect.cpp - description
-------------------
begin : Tue May 2 2000
copyright : (C) 2000 by Martin Heni
email : martin@heni-online.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
/***************************************************************************
FILENAME| - description
-------------------
begin : Tue Apr 4 2000
copyright : (C) |1995-2000 by Martin Heni
email : martin@heni-online.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include <stdio.h>
#include "TDEProcessConnect.h"
#include "TDEProcessConnect.moc"
TDEProcessConnect::TDEProcessConnect()
: KChildConnect()
{
running=false;
process=0;
}
TDEProcessConnect::~TDEProcessConnect()
{
Exit();
delete process;
// printf("DESTRUCTRING KPROCESSCONNECT\n");
}
bool TDEProcessConnect::Init(int id,KEMessage *msg)
{
int size;
char *p;
SetID(id);
if (msg)
{
if (!msg->GetData(TQCString("ProcessName"),p,size)) return false; // no process name
processname=p;
/*
printf("Found processname '%s' size %d size=%u\n",
p,size,msg->QueryNumberOfKeys());
*/
msg->Remove(TQCString("ProcessName"));
}
if (processname.length()<1) return false;
inputbuffer="";
// Delete first on multiple init
if (running) Exit();
// create process
process=new TDEProcess;
*process << processname;
connect(process, TQT_SIGNAL(receivedStdout(TDEProcess *, char *, int )),
this, TQT_SLOT(slotReceivedStdout(TDEProcess *, char * , int )));
connect(process, TQT_SIGNAL(processExited(TDEProcess *)),
this, TQT_SLOT(slotProcessExited(TDEProcess *)));
/*
connect(process, TQT_SIGNAL(wroteStdin(TDEProcess *)),
this, TQT_SLOT(slotWroteStdin(TDEProcess *)));
*/
// TRUE if ok
running=process->start(TDEProcess::NotifyOnExit,TDEProcess::All);
if (running && msg && msg->QueryNumberOfKeys()>0)
{
SendMsg(msg);
}
return running;
}
void TDEProcessConnect::slotReceivedStdout(TDEProcess *, char *buffer, int buflen)
{
TQString s;
char c;
int pos;
if (buflen<1) return ;
if (buffer[buflen-1]!=0) // shit..we got a not null terminated string
{
c=buffer[buflen-1];
buffer[buflen-1]=0;
s=buffer;
s+=c;
}
else
{
s=buffer;
}
// Append old unresolved input
s=inputbuffer+s;
pos=s.findRev(KEMESSAGE_CR);
// printf("String '%s' pos=%d len=%d\n",(const char *)s,pos,s.length());
if (pos<0)
{
inputbuffer=s;
}
else if (pos+KEMESSAGE_CR.length()==s.length())
{
// CR at the end...calling receive
Receive(s);
}
else
{
inputbuffer=s.right(s.length()-pos-KEMESSAGE_CR.length());
s=s.left(pos+KEMESSAGE_CR.length());
// printf("s='%s' in='%s'\n",(const char *)s,(const char *)inputbuffer);
Receive(s);
}
}
void TDEProcessConnect::slotProcessExited(TDEProcess *)
{
running=false;
delete process;
process=0;
Init(QueryID());
}
void TDEProcessConnect::slotWroteStdin(TDEProcess *)
{
printf("slotWroteStdin:: IS NEVER CALLED\n");
}
bool TDEProcessConnect::Exit()
{
// kill process if running
if (running)
{
running=false;
if (process) process->kill();
delete process;
process=0;
}
return true;
}
bool TDEProcessConnect::Next()
{
bool result;
if (!running) return false;
// create and send message
// printf("+- TDEProcessConnect::ProcessNext\n");
KEMessage *msg=new KEMessage;
// User fills message
emit signalPrepareMove(msg,KG_INPUTTYPE_PROCESS);
result=SendMsg(msg);
delete msg;
return result;
}
// Send string to child
bool TDEProcessConnect::Send(TQString str)
{
bool result;
// printf("****** PROCESS:SEND\n");
if (!running || !process) return false;
if (!str || str.length()<1) return true; // no need to send crap
// TODO ..why?
TQString s;
s=KEMESSAGE_CR+KEMESSAGE_CR;
str=s+str;
// printf("+++ Sending to child '%s'!!!\n",(const char *)str);
result=process->writeStdin(str.latin1(),str.length()+1);
if (!result) printf("ERROR in PROCESS SEND\n");
return result;
}
|
