private void DownloadNext()
{
if (_md5File.DownloadQueue.Count == 0)
{
if (_failList.Count > 0)
{
Error(new SDownloadEventResult(DownloadEventType.Error, "下载失败"));
for (int i = 0; i < _failList.Count; i++)
{
Debug.LogError("失败的文件：" + _failList[i].download_url);
}
}
else
{
AllComplete(new SDownloadEventResult(DownloadEventType.AllComplete));
}
return;
}
_currentConfig = _md5File.DownloadQueue.Dequeue();
//将这个文件记录到下载中
_md5File.PushTmpFile(_currentConfig.key);
_webDownload.DownloadFile(_currentConfig.download_url, _currentConfig.localPath_url, TIMEOUT, OnProgress, OnComplete);
}
public SDownloadEventResult(DownloadEventType eventType, SDownloadFileResult fileResult, SDownloadModuleConfig info, string error)
{
Error = error;
Info = info;
FileResult = fileResult;
EventType = eventType;
}
private void OnComplete(int code)
{
if (code == 206)
{
DownloadSuccess();
}
else if (code == 416)
{
///在使用暂停下载的时候有几率会出现此问题
///因为是线程下载，在下载完成的瞬间暂停后 会把当前文件重新加入下载队列导致重复下载， 实际上暂停之后的同时或者下一帧这个文件已经下载完毕
/// 所以临时文件 aaa.mp4.tmp 和 远程 aaa.mp4 的大小一样 只不过没有被移动 在续传的时候会返回一次416
/// 所以这里判断如果临时文件的md5和远程md5相等 直接判定下载成功 不走下面下载失败流程 否则会删除重新下载
/// 这里跳过了manifest文件 因为这个文件没有对应的md5字符串，也没有必要做对比，一般都是1k大小 重新下载没毛病
if (_currentConfig.key.EndsWith(".manifest") == false)
{
string fileMd5 = Util.Md5File(_currentConfig.localPath_url + ".tmp");
string remoteMd5 = _md5File.GetRemoteMd5(_currentConfig.key);
if (fileMd5.Trim() == remoteMd5.Trim())
{
Debug.LogWarning(_currentConfig.key + " 返回了416 但是文件已经下载完毕 不需要重新下载" + fileMd5 + "==" + remoteMd5);
DownloadSuccess();
}
else
{
Debug.LogWarning(_currentConfig.key + " 返回了416 文件不一样 重新下载" + fileMd5 + "!=" + remoteMd5);
DownloadFail(code);
}
}
}
else
{
DownloadFail(code);
}
_currentConfig = new SDownloadModuleConfig();
DownloadNext();
//if (_currentConfig.key != "Modules" && _currentConfig.key != "Modules.manifest")
//{
// Destroy(gameObject);
//}
}
private void GetNext(Md5File md5File)
{
if (_tempQueue.Count == 0)
{
if (_complete != null)
{
_complete(md5File, _size);
}
return;
}
SDownloadModuleConfig download = _tempQueue.Dequeue();
_webDownload.DownloadFileSize(download.download_url, TIMEOUT, (bool ok, int code, int size) =>
{
if (ok)
{
_size += size;
}
//Debug.Log(download.download_url + " ok:" + ok + " code:" + code + " size:" + size+" "+ _downloadQueue.Count);
GetNext(md5File);
});
}
private void PushUpdateFile(string file)
{
SDownloadModuleConfig fileConfig = new SDownloadModuleConfig();
fileConfig.key = file;
fileConfig.download_url = string.Format("{0}/{1}/{2}", _version.res_download_url, GameConfig.module_name, file);
fileConfig.localPath_url = string.Format("{0}/{1}", Util.DeviceResPath, file);
fileConfig.download_fail_retry = _version.download_fail_retry;
_downloadQueue.Enqueue(fileConfig);
//添加manifest文件
string manifestFile = string.Empty;
//跳过lua脚本
if (!file.EndsWith(".txt"))
{
SDownloadModuleConfig manifestConfig = new SDownloadModuleConfig();
manifestConfig.key = string.Format("{0}.manifest", file);
manifestConfig.download_url = string.Format("{0}.manifest", fileConfig.download_url);
manifestConfig.localPath_url = string.Format("{0}.manifest", fileConfig.localPath_url);
manifestConfig.download_fail_retry = _version.download_fail_retry;
_downloadQueue.Enqueue(manifestConfig);
}
}
public SDownloadEventResult(DownloadEventType eventType, SDownloadModuleConfig info)
: this(eventType, new SDownloadFileResult(), info, string.Empty)
{
}
