1 files changed, 183 insertions, 0 deletions
diff --git a/vmchooser2/runImage.cxx b/vmchooser2/runImage.cxx
new file mode 100644
index 0000000..6425fdd
--- /dev/null
+++ b/vmchooser2/runImage.cxx
@@ -0,0 +1,183 @@
+#include "inc/DataEntry.h"
+#include "inc/functions.h"
+#include "inc/paths.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 string env;
+
+/** *************************************************************
+ * void runImage runs a (virtual machine) image using fork()
+ *		calling runImage(DataEntry*)
+ ***************************************************************/
+void runImage(DataEntry dat)
+{
+  string confxml;
+
+  /* printf("runImage called\n"); */
+  //if ( e == NULL ) {
+  //  return;
+  //}
+
+  //DataEntry& dat = *((DataEntry*) e);
+
+  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[] = { (char*) string(VMCHOOSER_PLUGIN_PATH).append("mesgdisp").c_str(),
+        arg1, NULL };
+
+  //printf("%s", arg1);
+  // TODO: only fork if we want to display a message (or maybe not fork at all?)
+  pid = fork();
+
+  switch( pid )  {
+    case -1:
+      // parent: creation of child process failed
+      //fltk::alert("Error occured during forking a thread of execution!");
+      return;
+      break;
+    case 0:
+      // child
+      // the only purpose of this child is to display a message
+      //mainwin->destroy();
+      //fltk::wait();
+      if(dat.imgtype == VMWARE || dat.imgtype == VBOX) {
+        //cout << "calling " << argv[1] << endl;
+        execvp(argv[0], argv);
+      }
+      break;
+    default:
+      // parent
+
+      // 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;
+      //}
+
+      // TODO: find out what it does and restore this
+      saveSession(&dat);
+      runImage(dat, confxml);
+      break;
+  }
+}
+
+/**
+ * Helper-function for runImage(Widget, void)
+ * - runs the chosen virtualizer image
+ **/
+void runImage(DataEntry& dat, string confxml)
+{
+  if(! dat.command.empty() ) {
+    char* arg[] = { (char*) dat.command.c_str(), '\0' };
+    execvp((char*) dat.command.c_str(), arg);
+  }
+  char* arg[] = { (char *) string(VMCHOOSER_BIN_PATH).append("run-virt.sh").c_str(),
+            (char*)confxml.c_str(),
+            NULL };
+
+  execvp(string(VMCHOOSER_BIN_PATH).append("run-virt.sh").c_str(),  arg);
+}
+
+
+
+
+/**
+ * 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 = VMCHOOSER_ETC_BASE_PATH;
+  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, &dat);
+
+
+  // read the group configuration XML
+  readGroupXml(&dat, env);
+
+
+  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;
+}