C++ (Cpp) sd_schemeu64 Examples

Example #1

File: si_scheme.c Project: dioptre/sophia

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;
}

Example #2

File: si_scheme.c Project: leitao/sophia

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 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_FORMAT:
			s->fmt = sd_schemeu32(opt);
			char *name;
			if (s->fmt == SF_KV)
				name = "kv";
			else
			if (s->fmt == SF_DOCUMENT)
				name = "document";
			else
				goto error;
			ss_free(r->a, s->fmt_sz);
			s->fmt_sz = ss_strdup(r->a, name);
			if (ssunlikely(s->fmt_sz == NULL))
				goto error;
			break;
		case SI_SCHEME_FORMAT_STORAGE:
			s->fmt_storage = sd_schemeu32(opt);
			break;
		case SI_SCHEME_SCHEME: {
			sr_schemefree(&s->scheme, r->a);
			sr_schemeinit(&s->scheme);
			ssbuf buf;
			ss_bufinit(&buf);
			rc = sr_schemeload(&s->scheme, r->a, sd_schemesz(opt), opt->size);
			if (ssunlikely(rc == -1))
				goto error;
			ss_buffree(&buf, r->a);
			break;
		}
		case SI_SCHEME_NODE_SIZE:
			s->node_size = sd_schemeu64(opt);
			break;
		case SI_SCHEME_NODE_PAGE_SIZE:
			s->node_page_size = sd_schemeu32(opt);
			break;
		case SI_SCHEME_COMPRESSION_KEY:
			s->compression_key = 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_COMPRESSION_BRANCH: {
			char *name = sd_schemesz(opt);
			ssfilterif *cif = ss_filterof(name);
			if (ssunlikely(cif == NULL))
				goto error;
			s->compression_branch_if = cif;
			s->compression_branch = s->compression_branch_if != &ss_nonefilter;
			ss_free(r->a, s->compression_branch_sz);
			s->compression_branch_sz = ss_strdup(r->a, cif->name);
			if (ssunlikely(s->compression_branch_sz == NULL))
				goto error;
			break;
		}
		case SI_SCHEME_AMQF:
			s->amqf = sd_schemeu32(opt);
			break;
		case SI_SCHEME_CACHE_MODE:
			s->cache_mode = sd_schemeu32(opt);
			break;
		case SI_SCHEME_EXPIRE:
			s->expire = sd_schemeu32(opt);
			break;
		default: /* skip unknown */
			break;
		}
		ss_iternext(sd_schemeiter, &i);
	}
	sd_schemefree(&c, r);
	return 0;
error:
	sd_schemefree(&c, r);
	return -1;
}