man_off_t *do_resume(struct sdirs *sdirs,
struct dpth *dpth, struct conf **cconfs)
{
man_off_t *p1pos=NULL;
struct manio *cmanio=NULL;
struct manio *umanio=NULL;
struct manio *p1manio=NULL;
enum protocol protocol=get_protocol(cconfs);
logp("Begin phase1 (read previous file system scan)\n");
if(!(p1manio=manio_open_phase1(sdirs->phase1data, "rb", protocol))
|| read_phase1(p1manio, cconfs))
goto end;
manio_close(&p1manio);
// First, open them in append mode, so that they will be created if
// they do not exist.
if(!(cmanio=manio_open_phase2(sdirs->changed, "ab", protocol))
|| !(umanio=manio_open_phase2(sdirs->unchanged, "ab", protocol)))
goto end;
manio_close(&cmanio);
manio_close(&umanio);
if(!(p1pos=do_resume_work(sdirs, dpth, cconfs))) goto end;
if(dpth_incr(dpth)) goto end;
logp("End phase1 (read previous file system scan)\n");
end:
manio_close(&p1manio);
manio_close(&cmanio);
manio_close(&umanio);
return p1pos;
}
char *dpth_mk(struct dpth *dpth)
{
static char save_path[32];
static struct lock *lock=NULL;
while(1)
{
snprintf(save_path, sizeof(save_path), "%04X/%04X/%04X/%04X",
dpth->prim, dpth->seco, dpth->tert, dpth->sig);
if(!dpth->need_data_lock) return save_path;
if(!lock && !(lock=lock_alloc())) goto error;
if(get_data_lock(lock, dpth, save_path)) goto error;
switch(lock->status)
{
case GET_LOCK_GOT: break;
case GET_LOCK_NOT_GOT:
// Increment and try again.
if(dpth_incr(dpth)) goto error;
continue;
case GET_LOCK_ERROR:
default:
goto error;
}
dpth->need_data_lock=0; // Got it.
if(add_lock_to_list(dpth, lock, save_path)) goto error;
lock=NULL;
return save_path;
}
error:
lock_free(&lock);
return NULL;
}
int dpth_incr_sig(struct dpth *dpth)
{
if(++dpth->sig<DATA_FILE_SIG_MAX) return 0;
dpth->sig=0;
dpth->need_data_lock=1;
return dpth_incr(dpth);
}
static int start_to_receive_new_file(struct asfd *asfd,
struct sdirs *sdirs, struct conf **cconfs,
struct sbuf *sb, struct dpth *dpth)
{
int ret=-1;
char *rpath=NULL;
int istreedata=0;
//logp("start to receive: %s\n", sb->path.buf);
if(!(rpath=set_new_datapth(asfd,
sdirs, cconfs, sb, dpth, &istreedata)))
goto end;
if(!(sb->protocol1->fzp=fzp_open(rpath, "wb")))
{
log_and_send(asfd, "make file failed");
goto end;
}
if(!istreedata) dpth_incr(dpth);
ret=0;
end:
free_w(&rpath);
return ret;
}
