int cleanupDirectories()
{
ServiceManager sm(getRootDir());
int ret = sm.cleanupDirectories();
return (ret);
}
int stopService(char* programName, int argc, char** argv)
{
ServiceManager sm(getRootDir());
int ret = sm.stop(programName, argc, argv);
return (ret);
}
void MainWindow::on_openAction_triggered(bool checked)
{
Q_UNUSED(checked)
QString path = fileText->text(), filename;
filename = QFileDialog::getOpenFileName(this, tr("Select a file"),
getRootDir(path));
if(!filename.isEmpty()) fileText->setText(filename);
}
void Storage::freeSpace() {
//there might be a situation where only the current directory is left and
//occupies the whole space. We cannot delete anything. Don't waste time scanning.
if (failedFreeSpace)
return;
//printf("freeSpace()\n");
time_t min=time(0);
char minDir[PATH_MAX];
char fullPath[PATH_MAX];
DIR *top=opendir(getRootDir());
if (top) {
int haveDir=0;
struct dirent *chandir, path;
struct stat chandirstat;
while ( (!readdir_r(top, &path, &chandir) && chandir != NULL) ) {
if (strcmp(chandir->d_name, "..")==0 || strcmp(chandir->d_name, ".")==0)
continue;
snprintf(fullPath, PATH_MAX, "%s/%s", getRootDir(), chandir->d_name);
if (stat(fullPath, &chandirstat)==0) {
if (S_ISDIR(chandirstat.st_mode)) {
if (chandirstat.st_ctime < min && strcmp(fullPath, currentDir)) {
min=chandirstat.st_ctime;
strcpy(minDir, fullPath);
haveDir++;
}
}
}
}
closedir(top);
//if haveDir, only current directory present, which must not be deleted
if (haveDir>=2)
byteCount-=cleanSubDir(minDir);
else
failedFreeSpace=true;
}
}
int listServices(char* programName)
{
const char *root = getRootDir();
int ret = 0;
if (root != NULL)
{
ServiceManager sm(root);
ret = sm.list(programName);
}
else
{
return -1;
}
return (ret);
}
int main(int argc, char** argv){
int i;
FILEENTRY fe;
// open image and read bootsector
FILE * f = fopen(argv[1],"r");
BOOTSECTOR bs = readBootsector (f);
// change to /
fseek(f,getRootDir(&bs),SEEK_SET);
// change to requested directory
char* path = argv[2];
char buffer [9]; // buffer to read until next /
int j = 0;
for ( i = 1; path[i-1] != 0; ++i ){
if ( path[i] == '/' || path[i] == 0 ){
if ( j == 0 ) break;
while ( j < 8 ) buffer[j++] = ' ';
if ( !changeWorkDir(f,&bs,buffer) ) return 1;
j = 0;
} else {
buffer[j] = path[i];
j++;
}
}
// list files
while ( 1 ){
// read file entry
fe = readFileEntry(f);
// print file entries
if ( fe.name [0] == 0 ) break;
if ( fe.name [0] != FILE_ENTRY_ERASED && fe.flags != FILE_ENTRY_IGNORABLE ){
printFileEntry(&fe);
}
}
return 0;
}
void Storage::getFilename(char *buffer, int bufLength, PageID page) {
snprintf(buffer, bufLength, "%s/%s/%03x_%02x.vtx", getRootDir(),
*page.channel.ToString(), page.page, page.subPage);
}
void PackedStorage::getFilename(char *buffer, int bufLength, PageID page) {
//This is a different scheme: page 576_07 will have the name 570s.vtx, the same as e.g. 571_01 or 575_00
//Think of "the five hundred seventies"
snprintf(buffer, bufLength, "%s/%s/%03xs.vtx", getRootDir(),
*page.channel.ToString(), (page.page & 0xFF0));
}
char* createServiceDirectory()
{
const char *rootPath = getRootDir();
char hostname[DEFAULT_STRING_LENGTH];
int serviceDirLength;
if (rootPath == NULL)
{
//
// exit!
//
logUser("Error: Cannot get the root directory.");
return NULL;
}
if (gethostname(hostname, DEFAULT_STRING_LENGTH) == -1)
{
//
// we cannot get hostname, we return - maybe we should just
// set it localhost?
//
logUser("Error: Cannot retrieve the hostname.");
return NULL;
}
#define MD5_LENGTH 16
char md5[(MD5_LENGTH * 2) + 1];
memset(md5, '\0', (MD5_LENGTH * 2) + 1);
if (serviceId == NULL)
{
srandom(time(0) * getpid());
long int a = random();
char *astr = new char[sizeof(a) + 1];
strncpy(astr,(char *)&a, sizeof(a));
md5_state_t *md5_state = new md5_state_t();
unsigned char *md5_digest = new unsigned char[MD5_LENGTH];
md5_init(md5_state);
md5_append(md5_state, (const unsigned char *)astr, sizeof(astr));
md5_finish(md5_state, md5_digest);
int di = 0;
for (di = 0; di < MD5_LENGTH; ++di)
{
sprintf(md5 + (di * 2), "%02X", md5_digest[di]);
}
*(md5 + (di * 2)) = '\0';
delete [] md5_state;
delete [] md5_digest;
delete [] astr;
}
else
{
strncpy(md5, serviceId, MD5_LENGTH * 2);
}
logUser("Info: Service directory MD5 %s.", md5);
serviceDirLength = strlen(rootPath) + strlen("/D-") + strlen(hostname) + strlen("-") + strlen(md5) + 1;
//
// In no case the service directory path can
// be longer than DEFAULT_STRING_LENGTH chars.
//
if (serviceDirLength > DEFAULT_STRING_LENGTH)
{
logUser("PANIC: Service directory name would exceed length of %d characters.", DEFAULT_STRING_LENGTH);
return NULL;
}
//
// If the service directory path is longer than
// MAX_SERVICE_DIR_LENGTH, we opened only the TCP
// socket connection to avoid the creation of a
// UNIX socket file. Read the comments in
// ServiceDisplay::start() about the -nolisten
// option for more details.
//
if (serviceDirLength > MAX_SERVICE_DIR_LENGTH)
{
logUser("Warning: Service directory path too long. Listening on AF_INET socket.");
nolisten = AF_UNIX;
}
char *path = new char[strlen(rootPath) + strlen("/D-") + strlen(hostname) + strlen("-") + strlen(md5) + 1];
//
// Transform name in a fully qualified name.
//
strcpy(path, rootPath);
strcat(path, "/D-");
strcat(path, hostname);
strcat(path, "-");
strcat(path, md5);
if (mkdir(path, S_IRUSR|S_IWUSR|S_IXUSR))
{
//
// we cannot create the directory
//
int errorNumber = errno;
logUser("Error: Cannot create directory '%s'",path);
logUser("Error: because of '%s'", strerror(errorNumber));
if (errorNumber == EEXIST)
{
logUser("Error: Directory exists already, we can use it!");
}
else
{
delete [] path;
path = NULL;
}
}
return path;
}
