1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
#include <fltk/Widget.h>
#include <fltk/ask.h>
#include <fltk/run.h>
#include "inc/DataEntry.h"
#include "inc/SWindow.h"
#include "inc/functions.h"
#include <sstream>
#include <errno.h>
#include <sys/wait.h>
#include <iostream>
#include <string>
#include <boost/regex.hpp>
/* define MAX_LENGTH for string in getFolderName */
const int MAX_LENGTH = 200;
extern SWindow* mainwin;
/** *************************************************************
* void runImage runs a (virtual machine) image using fork()
* calling runImage(DataEntry*)
***************************************************************/
void runImage(fltk::Widget*, void* p)
{
string confxml;
/* printf("runImage called\n"); */
if ( p == NULL ) {
return;
}
DataEntry& dat = *((DataEntry*) p);
if(dat.imgtype == VMWARE || dat.imgtype == VBOX ) {
confxml = writeConfXml(dat);
}
pid_t pid;
// in case you want to wait hours on your thread
//int status;
char arg1[MAX_LENGTH];
strncpy(arg1, (char*) string("'\n\nStarte Image: ")
.append(dat.short_description)
.append("\n'").c_str(),MAX_LENGTH);
char* argv[] = { "/opt/openslx/plugin-repo/vmchooser/mesgdisp",
arg1, NULL };
printf("%s", arg1);
pid = fork();
switch( pid ) {
case -1:
fltk::alert("Error occured during forking a thread of execution!");
return;
break;
case 0:
mainwin->destroy();
fltk::wait();
cout << "calling " << argv[1] << endl;
execvp(argv[0], argv);
break;
default:
// this is not really useful, as this
// blocks execution for about 5 seconds
// sometimes ;-)
//if( waitpid( pid, &status, 0 ) == -1 ) {
// cerr << "No child with this pid (" << pid << ")" << endl;
// fltk::alert("Failed to create child thread!");
// return;
//}
runImage(dat, confxml);
break;
}
}
/**
* Helper-function for runImage(Widget, void)
* - runs the chosen virtualizer image
**/
string runImage(DataEntry& dat, string confxml)
{
//cout << dat.imgtype << endl << VMWARE << endl;
if (dat.imgtype == VMWARE) {
//cout << confxml << endl;
char* arg[] = { (char *) "/var/X11R6/bin/run-vmware.sh",
(char*)confxml.c_str(),
NULL };
//cout << arg << endl; //"run-vmware.sh imagename os (Window-Title) network"
execvp("/var/X11R6/bin/run-vmware.sh", arg);
}
if (dat.imgtype == VBOX) {
char* arg[] = { (char *) "/var/X11R6/bin/run-virtualbox.sh",
(char*)confxml.c_str(),
NULL };
//cout << arg << endl; //"run-vmware.sh imagename os (Window-Title) network"
execvp("/var/X11R6/bin/run-virtualbox.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() {
/* 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;
}
string writeConfXml(DataEntry& dat) {
//char* pname = getFolderName();
string pname = string().append("/var/lib/vmware/runscripts");
xmlNodePtr cur = 0;
xmlNodePtr root = 0;
string pskript = pname +"/printer.sh";
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, (char*)pskript.c_str());
pskript = pname + "/scanner.sh";
addScanners(root, (char*)pskript.c_str());
// add hostname and username information
addInfo(root);
srand(time(NULL));
string xmlfile;
ostringstream i;
i << "/tmp/run" << rand() << ".xml";
xmlfile = i.str();
//xmlSaveFile("-", dat.xml);
xmlSaveFile( (char*) xmlfile.c_str(), dat.xml);
return xmlfile;
}
|
