static void sf_scheme_saveload(void) { sfscheme cmp; sf_schemeinit(&cmp); sffield *field; field = sf_fieldnew(&st_r.a, "key"); t( field != NULL ); t( sf_fieldoptions(field, &st_r.a, "u32,key(0)") == 0); t( sf_schemeadd(&cmp, &st_r.a, field) == 0); field = sf_fieldnew(&st_r.a, "value"); t( field != NULL ); t( sf_fieldoptions(field, &st_r.a, "string") == 0); t( sf_schemeadd(&cmp, &st_r.a, field) == 0); t( sf_schemevalidate(&cmp, &st_r.a) == 0 ); ssbuf buf; ss_bufinit(&buf); t( sf_schemesave(&cmp, &st_r.a, &buf) == 0 ); sf_schemefree(&cmp, &st_r.a); sf_schemeinit(&cmp); t( sf_schemeload(&cmp, &st_r.a, buf.s, ss_bufused(&buf)) == 0 ); t( sf_schemevalidate(&cmp, &st_r.a) == 0 ); t( cmp.fields_count == 2 ); t( cmp.keys_count == 1 ); t( strcmp(cmp.fields[0]->name, "key") == 0 ); t( cmp.fields[0]->type == SS_U32 ); t( cmp.fields[0]->key == 1 ); t( cmp.fields[1]->type == SS_STRING ); t( cmp.fields[1]->key == 0 ); sf_schemefree(&cmp, &st_r.a); ss_buffree(&buf, &st_r.a); }
int si_schemerecover(sischeme *s, sr *r) { sdscheme c; sd_schemeinit(&c); char path[PATH_MAX]; snprintf(path, sizeof(path), "%s/scheme", s->path); int version_storage_set = 0; int rc; rc = sd_schemerecover(&c, r, path); if (ssunlikely(rc == -1)) goto error; ssiter i; ss_iterinit(sd_schemeiter, &i); rc = ss_iteropen(sd_schemeiter, &i, r, &c, 1); if (ssunlikely(rc == -1)) goto error; while (ss_iterhas(sd_schemeiter, &i)) { sdschemeopt *opt = ss_iterof(sd_schemeiter, &i); switch (opt->id) { case SI_SCHEME_VERSION: break; case SI_SCHEME_VERSION_STORAGE: { if (opt->size != sizeof(srversion)) goto error; srversion *version = (srversion*)sd_schemesz(opt); if (! sr_versionstorage_check(version)) goto error_format; version_storage_set = 1; break; } case SI_SCHEME_SCHEME: { sf_schemefree(&s->scheme, r->a); sf_schemeinit(&s->scheme); ssbuf buf; ss_bufinit(&buf); rc = sf_schemeload(&s->scheme, r->a, sd_schemesz(opt), opt->size); if (ssunlikely(rc == -1)) goto error; rc = sf_schemevalidate(&s->scheme, r->a); if (ssunlikely(rc == -1)) goto error; ss_buffree(&buf, r->a); break; } case SI_SCHEME_NODE_SIZE: s->compaction.node_size = sd_schemeu64(opt); break; case SI_SCHEME_NODE_PAGE_SIZE: s->compaction.node_page_size = sd_schemeu32(opt); break; case SI_SCHEME_COMPRESSION: { char *name = sd_schemesz(opt); ssfilterif *cif = ss_filterof(name); if (ssunlikely(cif == NULL)) goto error; s->compression_if = cif; s->compression = s->compression_if != &ss_nonefilter; ss_free(r->a, s->compression_sz); s->compression_sz = ss_strdup(r->a, cif->name); if (ssunlikely(s->compression_sz == NULL)) goto error; break; } case SI_SCHEME_EXPIRE: s->expire = sd_schemeu32(opt); break; default: /* skip unknown */ break; } ss_iternext(sd_schemeiter, &i); } if (ssunlikely(! version_storage_set)) goto error_format; sd_schemefree(&c, r); return 0; error_format: sr_error(r->e, "%s", "incompatible storage format version"); error: sd_schemefree(&c, r); return -1; }