Examples with OSType com.sohu.cache.server.data.OSInfo.OSType used on opensource projects

Example 1 with OSType

use of com.sohu.cache.server.data.OSInfo.OSType in project cachecloud by sohutv.

the class OSFactory method getOS.

/**
	 * 采用uname -a信息和/etc/issue解析出目前能够支持的操作系统
	 * @param osInfo
	 * @return OS
	 */
public static OS getOS(OSInfo osInfo) {
    String uname = osInfo.getUname();
    String issue = osInfo.getIssue();
    OSType osType = OSType.LINUX;
    ProcessorArchitecture defaultArch = ProcessorArchitecture.X86_64;
    DistributionType defaultDist = DistributionType.LINUX_OLD;
    DistributionVersion version = DistributionVersion.DEFAULT;
    //无法获取系统类型，位数 版本，采用默认
    if (uname == null || issue == null) {
        OS os = new OS(osType, defaultDist, version, defaultArch);
        return os;
    }
    uname = uname.toLowerCase();
    //首先获取操作系统类型
    if (!uname.contains(OSType.LINUX.getValue())) {
        logger.error("os={} is temporarily not supported", uname);
        return null;
    }
    //其次获取操作系统位数
    if (!uname.contains(defaultArch.getValue())) {
        defaultArch = ProcessorArchitecture.X86;
    }
    //再次解析操作系统发行版本
    issue = issue.toLowerCase();
    DistributionType findType = DistributionType.findByContains(issue);
    //没有找到匹配的版本，使用默认
    if (findType == null) {
        logger.warn("dist cannot matched, {}", issue);
        OS os = new OS(osType, defaultDist, version, defaultArch);
        return os;
    }
    //最后解析版本号
    Matcher matcher = VERSION_PATTERN.matcher(issue);
    //没有版本好用默认的
    if (!matcher.find()) {
        logger.warn("version not matched, {}", issue);
        OS os = new OS(osType, defaultDist, version, defaultArch);
        return os;
    }
    String ver = matcher.group();
    ver = ver.replaceAll("\\.", "");
    logger.info("version matched, {} - {}", ver, issue);
    DistributionVersion versionResult = findVersion(findType.getVersions(), ver);
    //没有具体的版本能匹配上
    if (versionResult == null) {
        logger.info("version {} not found, {}", ver);
        OS os = new OS(osType, defaultDist, version, defaultArch);
        return os;
    }
    OS os = new OS(osType, findType, versionResult, defaultArch);
    logger.info("find OS={}", os);
    return os;
}