Ejemplos de check_tmp_config en C++ (Cpp)

Ejemplo n.º 1

Archivo: config.c Proyecto: rdndnl/sheepdog

int init_config_file(void)
{
	int fd, ret;

	check_tmp_config();

	fd = open(config_path, O_RDONLY);
	if (fd < 0) {
		if (errno != ENOENT) {
			sd_eprintf("failed to read config file, %m");
			return -1;
		}
		goto create;
	}

	ret = xread(fd, &config, sizeof(config));
	if (ret == 0) {
		close(fd);
		goto create;
	}
	if (ret < 0) {
		sd_eprintf("failed to read config file, %m");
		goto out;
	}

	if (config.version != SD_FORMAT_VERSION) {
		sd_eprintf("This sheep version is not compatible with"
			   " the existing data layout, %d", config.version);
		if (sys->upgrade) {
			/* upgrade sheep store */
			ret = sd_migrate_store(config.version, SD_FORMAT_VERSION);
			if (ret == 0) {
				/* reload config file */
				ret = xpread(fd, &config, sizeof(config), 0);
				if (ret != sizeof(config)) {
					sd_eprintf("failed to reload config"
						   " file, %m");
					ret = -1;
				} else
					ret = 0;
			}
			goto out;
		}

		sd_eprintf("use '-u' option to upgrade sheep store");
		ret = -1;
		goto out;
	}
	ret = 0;
out:
	close(fd);

	return ret;
create:
	config.version = SD_FORMAT_VERSION;
	if (write_config() != SD_RES_SUCCESS)
		return -1;

	return 0;
}

Ejemplo n.º 2

Archivo: config.c Proyecto: clicx/sheepdog

int init_config_file(void)
{
	int fd, ret = 0;

	check_tmp_config();

	fd = open(config_path, O_RDONLY);
	if (fd < 0) {
		if (errno != ENOENT) {
			sd_err("failed to read config file, %m");
			return -1;
		}
		goto create;
	}

	ret = xread(fd, &config, sizeof(config));
	if (ret == 0) {
		close(fd);
		goto create;
	}
	if (ret < 0) {
		sd_err("failed to read config file, %m");
		goto out;
	}

	if (config.version != SD_FORMAT_VERSION) {
		sd_err("This sheep version is not compatible with"
		       " the existing data layout, %d", config.version);
		if (sys->upgrade) {
			/* upgrade sheep store */
			ret = sd_migrate_store(config.version, SD_FORMAT_VERSION);
			if (ret == 0) {
				/* reload config file */
				ret = xpread(fd, &config, sizeof(config), 0);
				if (ret != sizeof(config)) {
					sd_err("failed to reload config file,"
					       " %m");
					ret = -1;
				} else {
					ret = 0;
					goto reload;
				}
			}
			goto out;
		}

		sd_err("use '-u' option to upgrade sheep store");
		ret = -1;
		goto out;
	}

reload:
	if ((config.flags & SD_CLUSTER_FLAG_AUTO_VNODES) !=
			(sys->cinfo.flags & SD_CLUSTER_FLAG_AUTO_VNODES)
		&& !sys->gateway_only
		&& config.ctime > 0) {
		sd_err("Designation of before a restart and a vnodes option is different.");
		return -1;
	}

	ret = 0;
	get_cluster_config(&sys->cinfo);
	if ((config.flags & SD_CLUSTER_FLAG_DISKMODE) !=
	    (sys->cinfo.flags & SD_CLUSTER_FLAG_DISKMODE)) {
		sd_err("This sheep can't run because "
		       "exists data format mismatch");
		return -1;
	}

create:
	config.version = SD_FORMAT_VERSION;
	if (write_config() != SD_RES_SUCCESS)
		return -1;

out:
	close(fd);

	return ret;
}