void init_directories(struct node *root){
unsigned int i;
struct cache *cache = get_cache(root);
cache->dir = init_directory(root);
for (i=0; i<root->nb_children; i++){
init_directories(get_child(root, i));
}
}
static int init_file(char *path, int esize)
{
int i, file;
char buf[sizeof(struct traffic_entry)] = { 0 };
if (init_directory(path))
return -1;
if ((file = open(path, O_WRONLY | O_CREAT, 0600)) >= 0)
{
for (i = 0; i < STEP_COUNT; i++)
{
if (write(file, buf, esize) < 0)
break;
}
close(file);
return 0;
}
return -1;
}
int common_open_new_file(void *recco, void *opti, void *acq)
{
int err;
int tempflags;
struct recording_entity *re = (struct recording_entity *)recco;
struct common_io_info *ioi = (struct common_io_info *)re->opt;
D("Acquiring new recorder and changing opt");
ioi->opt = (struct opt_s *)opti;
if (acq != NULL)
ioi->file_seqnum = *((unsigned long *)acq);
else
{
E("Getting free, but not setting file_seqnum. Something weird happending");
}
if (ioi->opt->optbits & WRITE_TO_SINGLE_FILE)
{
sprintf(ioi->curfilename, "%s%i%s%s%s%s", ROOTDIRS, ioi->id, "/",
ioi->opt->filename, "/", ioi->opt->filename);
D("Ready to read/write %ld from/to continuous file %s",
ioi->file_seqnum, ioi->curfilename);
}
else
{
sprintf(ioi->curfilename, "%s%i%s%s%s%s.%08ld", ROOTDIRS, ioi->id, "/",
ioi->opt->filename, "/", ioi->opt->filename, ioi->file_seqnum);
}
if (ioi->opt->optbits & READMODE)
tempflags = re->get_r_flags();
else
tempflags = re->get_w_flags();
D("Opening file %s", ioi->curfilename);
if (ioi->opt->optbits & WRITE_TO_SINGLE_FILE &&
ioi->opt->singlefile_fd != 0)
{
ioi->fd = ioi->opt->singlefile_fd;
D("Copying old fd %d for use", ioi->fd);
}
else
{
err = common_open_file(&(ioi->fd), tempflags, ioi->curfilename, 0);
if (err != 0)
{
/* Situation where the directory doesn't yet exist but we're */
/* writing so this shouldn't be a failure */
if ((err & (ENOTDIR | ENOENT)) && !(ioi->opt->optbits & READMODE))
{
D("Directory doesn't exist. Creating it");
err = init_directory(re);
CHECK_ERR("Init directory");
err =
common_open_file(&(ioi->fd), tempflags, ioi->curfilename, 0);
if (err != 0)
{
E("Init: Error in file open %s", ioi->curfilename);
return err;
}
}
else
{
E("Init: Error in file open %s", ioi->curfilename);
return err;
}
}
if (ioi->opt->optbits & WRITE_TO_SINGLE_FILE)
{
ioi->opt->singlefile_fd = ioi->fd;
if (ioi->opt->optbits & READMODE)
ioi->filesize =
(ioi->opt->buf_num_elems *
(ioi->opt->packet_size - ioi->opt->offset_onwrite));
else
ioi->filesize =
(ioi->opt->buf_num_elems *
(ioi->opt->packet_size - ioi->opt->offset));
}
else if (ioi->opt->optbits & READMODE)
{
struct stat statinfo;
err = stat(ioi->curfilename, &statinfo);
if (err != 0)
{
E("Error in statting %s", ioi->curfilename);
return -1;
}
ioi->filesize = statinfo.st_size;
D("Filesize is %lu", ioi->filesize);
}
}
/* Doh this might be used by other write methods aswell */
if (ioi->opt->optbits & WRITE_TO_SINGLE_FILE)
{
ioi->offset = (CALC_BUFSIZE_FROM_OPT(ioi->opt)) * ioi->file_seqnum;
D("Continous file, so offset set to %ld", ioi->offset);
}
else
ioi->offset = 0;
return 0;
}