/// <summary>
/// 检查更新
/// </summary>
/// <param name="IndexUrls">更新Index组</param>
/// <param name="ResultsCallback">检查结果回调</param>
/// <param name="BaseVersion">母包版本</param>
/// <param name="PatchVersion">补丁包版本</param>
/// <param name="CheckUrlCallback">检查Url过程回调</param>
public void CheckUpgrade(string[] IndexUrls, int BaseVersion, int PatchVersion, Action <EUpgradeCheckResults> ResultsCallback, Action <int> CheckUrlCallback = null)
{
int i = 0;
void DoItOnce(string IndexUrl) // 用来递归的函数
{
if (CheckUrlCallback != null)
{
CheckUrlCallback(i);
}
XLog.Print("检查更新,获取更新索引：" + IndexUrl);
CheckupgradeSingle(IndexUrl, (isSuccess, JsonText, ErrType) =>
{
if (isSuccess)
{
//成功
var jsonObj = JsonUtility.FromJson <StaticUpgradeConfigJsonTpl>(JsonText);
mUpgradeTpl = jsonObj;
//检查更新结果类型
if (mUpgradeTpl.IsNeedUpgrade(BaseVersion, PatchVersion))
{
//需要更新
ResultsCallback(EUpgradeCheckResults.upgrade);
}
else
{
//已经是最新的
ResultsCallback(EUpgradeCheckResults.newest);
}
return;
}
else
{
XLog.Print("检查更新失败：" + ErrType.ToString());
//失败
i++;
if (IndexUrls.Length - 1 >= i)
{
//递归
DoItOnce(IndexUrls[i]);
}
else
{
//全部检查过了，对外告知检查失败
//把最后一次检查的报错放出去
switch (ErrType)
{
case EGetIndexJsonErrorType.connect_error:
ResultsCallback(EUpgradeCheckResults.connect_error);
break;
case EGetIndexJsonErrorType.url_error:
ResultsCallback(EUpgradeCheckResults.error);
break;
default:
ResultsCallback(EUpgradeCheckResults.error);
break;
}
return;
}
}
});
}
if (IndexUrls.Length - 1 >= i)
{
DoItOnce(IndexUrls[i]);
}
}