// Initialize the find files "global" variables
FF_PKT *find_files_init(void)
{
FF_PKT *ff;
if(!(ff=(FF_PKT *)calloc_w(1, sizeof(FF_PKT), __func__))
|| !(linkhash=(f_link **)
calloc_w(1, LINK_HASHTABLE_SIZE*sizeof(f_link *), __func__)))
return NULL;
// Get system path and filename maximum lengths.
// FIX THIS: maybe this should be done every time a file system is
// crossed?
init_fs_max(NULL);
return ff;
}
static int entries_in_directory(const char *path, struct dirent ***nl,
int *count, int atime,
int (*compar)(const struct dirent **, const struct dirent **))
{
int ret=0;
DIR *directory=NULL;
if(!fs_name_max)
{
// Get system path and filename maximum lengths.
// FIX THIS: maybe this should be done every time a file system
// is crossed?
if(init_fs_max(path)) return -1;
}
#if defined(O_DIRECTORY) && defined(O_NOATIME)
int dfd=-1;
if((dfd=open(path, O_RDONLY|O_DIRECTORY|atime?0:O_NOATIME))<0
|| !(directory=fdopendir(dfd)))
#else
// Mac OS X appears to have no O_NOATIME and no fdopendir(), so it should
// end up using opendir() here.
if(!(directory=opendir(path)))
#endif
{
#if defined(O_DIRECTORY) && defined(O_NOATIME)
close_fd(&dfd);
#endif
ret=1;
}
else
{
if(do_get_entries_in_directory(directory, nl, count,
(int (*)(const void *, const void *))compar))
ret=-1;
}
if(directory) closedir(directory);
return ret;
}
int backup_phase2_server_protocol1(struct async *as, struct sdirs *sdirs,
const char *incexc, int resume, struct conf **cconfs)
{
int ret=0;
struct manio *p1manio=NULL;
struct dpth *dpth=NULL;
char *deltmppath=NULL;
char *last_requested=NULL;
// Where to write changed data.
// Data is not getting written to a compressed file.
// This is important for recovery if the power goes.
struct fzp *chfp=NULL;
struct fzp *ucfp=NULL; // unchanged data
struct fzp *cmanfp=NULL; // previous (current) manifest.
struct sbuf *cb=NULL; // file list in current manifest
struct sbuf *p1b=NULL; // file list from client
struct sbuf *rb=NULL; // receiving file from client
struct asfd *asfd=as->asfd;
int breaking=0;
int breakcount=0;
if(get_int(cconfs[OPT_BREAKPOINT])>=2000
&& get_int(cconfs[OPT_BREAKPOINT])<3000)
{
breaking=get_int(cconfs[OPT_BREAKPOINT]);
breakcount=breaking-2000;
}
logp("Begin phase2 (receive file data)\n");
if(!(dpth=dpth_alloc())
|| dpth_protocol1_init(dpth, sdirs->currentdata,
get_int(cconfs[OPT_MAX_STORAGE_SUBDIRS])))
goto error;
if(open_previous_manifest(&cmanfp, sdirs, incexc, cconfs))
goto error;
if(get_int(cconfs[OPT_DIRECTORY_TREE]))
{
// Need to make sure we do not try to create a path that is
// too long.
if(build_path_w(sdirs->treepath)) goto error;
treepathlen=strlen(sdirs->treepath);
init_fs_max(sdirs->treepath);
}
if(!(p1manio=manio_alloc())
|| manio_init_read(p1manio, sdirs->phase1data)
|| !(cb=sbuf_alloc(cconfs))
|| !(p1b=sbuf_alloc(cconfs))
|| !(rb=sbuf_alloc(cconfs)))
goto error;
manio_set_protocol(p1manio, PROTO_1);
if(resume && do_resume(p1manio, sdirs, dpth, cconfs))
goto error;
// Unchanged and changed should now be truncated correctly, we just
// have to open them for appending.
if(!(ucfp=fzp_open(sdirs->unchanged, "a+b"))
|| !(chfp=fzp_open(sdirs->changed, "a+b")))
goto error;
if(manio_closed(p1manio)
&& manio_open_next_fpath(p1manio))
goto error;
while(1)
{
if(breaking)
{
if(breakcount--==0) return breakpoint(cconfs, __func__);
}
//printf("in loop, %s %s %c\n",
// cmanfp?"got cmanfp":"no cmanfp",
// rb->path.buf?:"no rb->path",
// rb->path.buf?'X':rb->path.cmd);
if(write_status(CNTR_STATUS_BACKUP,
rb->path.buf?rb->path.buf:p1b->path.buf, cconfs))
goto error;
if(last_requested
|| manio_closed(p1manio)
|| asfd->writebuflen)
{
switch(do_stuff_to_receive(asfd, sdirs,
cconfs, rb, chfp, dpth, &last_requested))
{
case 0: break;
case 1: goto end; // Finished ok.
case -1: goto error;
}
}
switch(do_stuff_to_send(asfd, p1b, &last_requested))
{
case 0: break;
case 1: continue;
case -1: goto error;
}
if(manio_closed(p1manio)) continue;
sbuf_free_content(p1b);
switch(manio_sbuf_fill_phase1(p1manio, asfd,
p1b, NULL, sdirs, cconfs))
{
case 0: break;
case 1: manio_close(p1manio);
if(asfd->write_str(asfd,
CMD_GEN, "backupphase2end")) goto error;
break;
case -1: goto error;
}
if(!cmanfp)
{
// No old manifest, need to ask for a new file.
if(process_new(sdirs, cconfs, p1b, ucfp))
goto error;
continue;
}
// Have an old manifest, look for it there.
// Might already have it, or be ahead in the old
// manifest.
if(cb->path.buf) switch(maybe_process_file(asfd,
sdirs, cb, p1b, ucfp, cconfs))
{
case 0: break;
case 1: continue;
case -1: goto error;
}
while(cmanfp)
{
sbuf_free_content(cb);
switch(sbufl_fill(cb, asfd, cmanfp, cconfs))
{
case 0: break;
case 1: fzp_close(&cmanfp);
if(process_new(sdirs, cconfs, p1b,
ucfp)) goto error;
continue;
case -1: goto error;
}
switch(maybe_process_file(asfd, sdirs,
cb, p1b, ucfp, cconfs))
{
case 0: continue;
case 1: break;
case -1: goto error;
}
break;
}
}
error:
ret=-1;
end:
if(fzp_close(&chfp))
{
logp("error closing %s in %s\n", sdirs->changed, __func__);
ret=-1;
}
if(fzp_close(&ucfp))
{
logp("error closing %s in %s\n", sdirs->unchanged, __func__);
ret=-1;
}
free_w(&deltmppath);
sbuf_free(&cb);
sbuf_free(&p1b);
sbuf_free(&rb);
manio_free(&p1manio);
fzp_close(&cmanfp);
dpth_free(&dpth);
if(!ret) unlink(sdirs->phase1data);
logp("End phase2 (receive file data)\n");
return ret;
}
