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#include <fltk/Widget.h>
#include "inc/DataEntry.h"
#include "inc/SWindow.h"
#include "inc/functions.h"
#include <sys/wait.h>
#include <iostream>
#include <string>
#include <boost/regex.hpp>
/** *************************************************************
* void runImage runs a (virtual machine) image using fork()
* calling runImage(DataEntry*)
***************************************************************/
void runImage(fltk::Widget*, void* p)
{
char* confxml = 0;
/* printf("runImage called\n"); */
if ( p == NULL ) {
return;
}
DataEntry& dat = *((DataEntry*) p);
if(dat.imgtype == VMWARE) {
confxml = (char*) writeConfXml(dat);
}
pid_t pid;
int status;
pid = fork();
switch( pid ) {
case -1:
cout << "Something went wrong while forking!" << endl;
return;
break;
case 0:
runImage(dat, confxml);
break;
default:
exit(0);
if( waitpid( pid, &status, 0 ) == -1 ) {
cerr << "No child with this pid (" << pid << ")" << endl;
return;
}
else {
exit(0);
}
break;
}
}
/**
* Helper-function for runImage(Widget, void)
* - runs the chosen virtualizer image
**/
string runImage(DataEntry& dat, char* confxml)
{
if (dat.imgtype == VMWARE) {
//cout << dat.xml_name << endl;
char* arg[] = { "/var/X11R6/bin/run-vmware.sh",
confxml,
strcat("/var/lib/vmware/",dat.imgname.c_str()),
(char*) dat.os.c_str(),
(char*)dat.network.c_str(),
'\0' };
// run-vmware.sh imagename os (Window-Title) network
execvp("/var/X11R6/bin/run-vmware.sh", arg );
}
if(! dat.command.empty() ) {
char* arg[] = { (char*) dat.command.c_str(), '\0' };
execvp((char*) dat.command.c_str(), arg);
}
return string();
}
/**
* Helper-Function: Get folder name
*/
char* getFolderName() {
const int MAX_LENGTH = 200;
/* Var for the folder name */
char* pname = (char*) malloc(MAX_LENGTH);
int result;
result = readlink("/proc/self/exe", pname, MAX_LENGTH);
if (result > 0) {
pname[result] = 0; /* add the NULL - not done by readlink */
}
int i=result-1;
while(pname[i] != '/' && i >= 0) {
pname[i] = '\0';
i--;
}
if(pname[i] == '/' ) {
pname[i] = '\0';
}
return pname;
}
const char* writeConfXml(DataEntry& dat) {
const int MAX_LENGTH = 300;
char* pname = getFolderName();
xmlNodePtr cur = 0;
xmlNodePtr root = 0;
strncat(pname, "/printer.sh", MAX_LENGTH);
cur = xmlDocGetRootElement(dat.xml);
if(cur == NULL) {
printf("Empty XML Document %s!", dat.xml_name.c_str());
return dat.xml_name.c_str();
}
// xmlNode "eintrag"
root = cur->children;
while(xmlStrcmp(root->name, (const xmlChar*)"eintrag") != 0) {
root = root->next;
}
if(xmlStrcmp(root->name, (const xmlChar *)"eintrag") != 0){
fprintf(stderr, "%s is not a valid xml file!", dat.xml_name.c_str());
return dat.xml_name.c_str();
}
// add "printers" and "scanners" - XML-Nodes
addPrinters(root, pname);
pname = getFolderName();
strncat(pname, "/scanner.sh", MAX_LENGTH);
addScanners(root, pname);
free(pname);
//xmlSaveFile("-", dat.xml);
xmlSaveFile( "/tmp/run.xml", dat.xml);
return "/tmp/run.xml";
}
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