// When a backup is ongoing, use this to add newly complete candidates.
int candidate_add_fresh(const char *path, const char *directory,
struct scores *scores)
{
const char *cp=NULL;
struct candidate *candidate=NULL;
if(!(candidate=candidates_add_new()))
goto error;
cp=path+strlen(directory);
while(cp && *cp=='/') cp++;
if(!(candidate->path=strdup_w(cp, __func__)))
goto error;
switch(candidate_load(candidate, path, scores))
{
case CAND_RET_PERM:
goto error;
case CAND_RET_TEMP:
// Had an error - try to carry on. Errors can happen
// when loading a fresh candidate because the backup
// process can move to the next phase and rename the
// candidates.
logp("Removing candidate.\n");
candidates_len--;
sparse_delete_fresh_candidate(candidate);
candidate_free(&candidate);
// Fall through.
case CAND_RET_OK:
return 0;
}
error:
candidate_free(&candidate);
return -1;
}
// When a backup is ongoing, use this to add newly complete candidates.
int candidate_add_fresh(const char *path, struct conf *conf)
{
int ars;
int ret=-1;
gzFile zp=NULL;
const char *cp=NULL;
struct sbuf *sb=NULL;
struct candidate *candidate=NULL;
struct blk *blk=NULL;
if(!(candidate=candidates_add_new())) goto end;
cp=path+strlen(conf->directory);
while(cp && *cp=='/') cp++;
if(!(candidate->path=strdup(cp)))
{
log_out_of_memory(__func__);
goto end;
}
if(!(sb=sbuf_alloc(conf))
|| !(blk=blk_alloc())
|| !(zp=gzopen_file(path, "rb")))
goto end;
while(zp)
{
if((ars=sbuf_fill_from_gzfile(sb, NULL /* struct async */,
zp, blk, NULL, conf))<0)
goto end;
else if(ars>0)
{
// Reached the end.
break;
}
if(!*(blk->weak)) continue;
if(is_hook(blk->weak))
{
if(sparse_add_candidate(blk->weak, candidate))
goto end;
}
*blk->weak='\0';
}
if(scores_grow(scores, candidates_len)) goto end;
candidates_set_score_pointers(candidates, candidates_len, scores);
scores_reset(scores);
//printf("HERE: %d candidates\n", (int)candidates_len);
ret=0;
end:
gzclose_fp(&zp);
sbuf_free(sb);
blk_free(blk);
return ret;
}
// This deals with reading in the sparse index, as well as actual candidate
// manifests.
enum cand_ret candidate_load(struct candidate *candidate, const char *path,
struct scores *scores)
{
enum cand_ret ret=CAND_RET_PERM;
struct fzp *fzp=NULL;
struct sbuf *sb=NULL;
struct blk *blk=NULL;
if(!(sb=sbuf_alloc(PROTO_2))
|| !(blk=blk_alloc()))
{
ret=CAND_RET_PERM;
goto error;
}
if(!(fzp=fzp_gzopen(path, "rb")))
{
ret=CAND_RET_TEMP;
goto error;
}
while(fzp)
{
sbuf_free_content(sb);
switch(sbuf_fill_from_file(sb, fzp, blk, NULL))
{
case 1: goto end;
case -1:
logp("Error reading %s in %s, pos %d\n",
path, __func__, fzp_tell(fzp));
ret=CAND_RET_TEMP;
goto error;
}
if(blk_fingerprint_is_hook(blk))
{
if(sparse_add_candidate(&blk->fingerprint, candidate))
{
ret=CAND_RET_PERM;
goto error;
}
}
else if(sb->path.cmd==CMD_MANIFEST)
{
if(!(candidate=candidates_add_new()))
{
ret=CAND_RET_PERM;
goto error;
}
candidate->path=sb->path.buf;
sb->path.buf=NULL;
}
blk->fingerprint=0;
}
end:
if(scores_grow(scores, candidates_len))
{
ret=CAND_RET_PERM;
goto error;
}
candidates_set_score_pointers(candidates, candidates_len, scores);
scores_reset(scores);
//logp("Now have %d candidates\n", (int)candidates_len);
ret=CAND_RET_OK;
error:
fzp_close(&fzp);
sbuf_free(&sb);
blk_free(&blk);
return ret;
}