private void storeAndBuildMetaConfigure(ProxyClientConfig config) {
        this.mgrConfig = config;
        this.proxyConfigEntry = null;
        this.proxyInfoList.clear();
        this.oldStat = 0;
        this.localMd5 = null;
        this.lstUpdateTime = 0;
        this.userEncryptConfigEntry = null;
        StringBuilder strBuff = new StringBuilder(512);
        this.proxyConfigVisitUrl = strBuff
                .append(mgrConfig.isVisitMgrByHttps() ? SdkConsts.PREFIX_HTTPS : SdkConsts.PREFIX_HTTP)
                .append(mgrConfig.getManagerIP()).append(":").append(mgrConfig.getManagerPort())
                .append(SdkConsts.MANAGER_DATAPROXY_API).append(mgrConfig.getInlongGroupId())
                .toString();
        strBuff.delete(0, strBuff.length());
        this.proxyQueryFailKey = strBuff
                .append("proxy:").append(mgrConfig.getInlongGroupId())
                .append("#").append(mgrConfig.getRegionName())
                .append("#").append(mgrConfig.getDataRptProtocol()).toString();
        strBuff.delete(0, strBuff.length());
        this.localProxyConfigStoreFile = strBuff
                .append(mgrConfig.getMetaStoreBasePath())
                .append(SdkConsts.META_STORE_SUB_DIR)
                .append(mgrConfig.getInlongGroupId())
                .append(SdkConsts.LOCAL_DP_CONFIG_FILE_SUFFIX)
                .toString();
        strBuff.delete(0, strBuff.length());
        this.proxyConfigCacheFile = strBuff
                .append(mgrConfig.getMetaStoreBasePath())
                .append(SdkConsts.META_STORE_SUB_DIR)
                .append(mgrConfig.getInlongGroupId())
                .append(SdkConsts.REMOTE_DP_CACHE_FILE_SUFFIX)
                .toString();
        strBuff.delete(0, strBuff.length());
        this.encryptConfigVisitUrl = mgrConfig.getRptRsaPubKeyUrl();
        this.encryptQueryFailKey = strBuff
                .append("encrypt:").append(mgrConfig.getRptUserName()).toString();
        strBuff.delete(0, strBuff.length());
        this.encryptConfigCacheFile = strBuff
                .append(mgrConfig.getMetaStoreBasePath())
                .append(SdkConsts.META_STORE_SUB_DIR)
                .append(mgrConfig.getRptUserName())
                .append(SdkConsts.REMOTE_ENCRYPT_CACHE_FILE_SUFFIX)
                .toString();
        strBuff.delete(0, strBuff.length());
    }
try to read cache of proxy entry

@return read result
inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/config/ProxyConfigManager.java