public void DownLoadAssetBundles(string server, string version, string[] assetBundles, string[] chekfileMd5s)
{
for (int i = 0; i < assetBundles.Length; ++i)
{
var key = string.Format(version + "_" + assetBundles[i]);
if (mDownLoadingHandlers.ContainsKey(key))
{
continue;
}
var bundleName = assetBundles[i];
var url = Function.getAssetBundleDownloadUrl(server, version, bundleName);
Debug.LogFormat("<color=#ff00ff>[download]</color>:url:[<color=#00ffff>{0}</color>]", url);
var storepath = Function.getAssetBundlePersistentPath(version, string.Empty, false);
Debug.LogFormat("<color=#ff00ff>[download]</color>:storepath:[<color=#00ffff>{0}</color>]", storepath);
var handler = HttpDownLoadHandle.Get(url, storepath, assetBundles[i], chekfileMd5s[i], () =>
{
Debug.LogFormat("<color=#ff00ff>[download]</color>:bundleName:[<color=#00ffff>{0}</color>] succeed", bundleName);
},
() =>
{
Debug.LogFormat("<color=#ff00ff>[download]</color>:bundleName:[<color=#ff0000>{0}</color>] failed", bundleName);
});
mDownLoadingHandlers.Add(key, handler);
}
}
public static HttpDownLoadHandle Get(string url, string storepath, string fileName, string checkMd5, UnityAction onSucceed, UnityAction onFailed)
{
var key = System.IO.Path.Combine(url, fileName);
if (null == threads[0])
{
for (int i = 0; i < threads.Length; ++i)
{
threads[i] = new Thread(Run);
var thread = threads[i];
thread.IsBackground = true;
thread.Priority = System.Threading.ThreadPriority.BelowNormal;
threads[i].Start();
}
}
lock (lock_obj)
{
if (downloadList.ContainsKey(key))
{
return(downloadList[key]);
}
}
HttpDownLoadHandle downLoadHandler = new HttpDownLoadHandle();
downLoadHandler.progress = 0.0f;
downLoadHandler.isDone = false;
downLoadHandler.url = url;
downLoadHandler.storepath = storepath;
downLoadHandler.onSucceed = onSucceed;
downLoadHandler.fileName = fileName;
downLoadHandler.checkMd5 = checkMd5;
downLoadHandler.onFailed = onFailed;
downLoadHandler.downloadCnt = maxDownLoadCnt;
lock (lock_obj)
{
downloadList.Add(key, downLoadHandler);
unstartedList.Add(downLoadHandler);
}
return(downLoadHandler);
}
protected void OnDestroy()
{
HttpDownLoadHandle.Abort();
}
protected void Update()
{
HttpDownLoadHandle.Update();
UpdateProcess();
UpdateDownLoadProgress();
}
protected static void Run()
{
while (true)
{
if (unstartedList.Count <= 0)
{
Thread.Sleep(150);
continue;
}
HttpDownLoadHandle handler = null;
lock (lock_obj)
{
if (unstartedList.Count > 0)
{
handler = unstartedList[0];
unstartedList.RemoveAt(0);
}
}
if (null == handler)
{
continue;
}
if (!Directory.Exists(handler.storepath))
{
Directory.CreateDirectory(handler.storepath);
}
var filePath = System.IO.Path.Combine(handler.storepath, handler.fileName);
LogData.LogFormat("[文件下载]:[{0}]:第[{1}]次", handler.fileName, maxDownLoadCnt - handler.downloadCnt + 1);
LogData.LogFormat("[文件下载]:[{0}]:[{1}]", handler.fileName, filePath);
try
{
using (FileStream fs = new FileStream(filePath, FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
long fileLength = fs.Length;
long totalLength = HttpGetFileLength(handler.url);
LogData.LogFormat("[文件下载]:[{0}]:远端文件长度[{1}]:本地文件长度[{2}]", handler.fileName, totalLength, fileLength);
bool needReCheck = true;
if (fileLength == totalLength)
{
LogData.LogFormat("[文件下载]:[{0}]:文件长度相同", handler.fileName);
if (!VerifyFileMd5(fs, handler.fileName, handler.checkMd5))
{
fs.SetLength(0);
fileLength = fs.Length;
needReCheck = false;
handler.downloadCnt -= 1;
handler.progress = 0.0f;
handler.isDone = false;
LogData.LogFormat("[文件下载]:[{0}]:校验文件MD5码失败,需要重新下载,扔回队列等待重下", handler.fileName);
if (handler.downloadCnt <= 0)
{
LogData.LogErrorFormat("[文件下载]:[{0}]:重下次数已经用完", handler.fileName);
var actionFailed = handler.onFailed;
handler.onFailed = null;
lock (lock_obj)
{
downloadActions.Add(actionFailed);
}
continue;
}
fs.Flush();
fs.Close();
lock (lock_obj)
{
unstartedList.Add(handler);
}
continue;
}
else
{
LogData.LogFormat("[文件下载]:[{0}]:校验文件MD5码成功，不需要重新下载", handler.fileName);
handler.progress = 1.0f;
handler.isDone = true;
var actionSucceed = handler.onSucceed;
needReCheck = false;
lock (lock_obj)
{
downloadActions.Add(() =>
{
if (null != actionSucceed)
{
actionSucceed.Invoke();
}
});
}
continue;
}
}
else if (fileLength > totalLength)
{
LogData.LogFormat("[文件下载]:[{0}]:校验文件长度不对,需要重新下载", handler.fileName);
fs.SetLength(0);
fileLength = fs.Length;
needReCheck = false;
}
else
{
if (fileLength == 0)
{
needReCheck = false;
}
else
{
needReCheck = true;
}
}
fs.Seek(fileLength, SeekOrigin.Begin);
HttpWebRequest request = HttpWebRequest.Create(handler.url) as HttpWebRequest;
request.ReadWriteTimeout = ReadWriteTimeOut;
request.Timeout = TimeOutWait;
if (fileLength > 0)
{
request.AddRange((int)fileLength);
}
bool checkOk = false;
using (Stream stream = request.GetResponse().GetResponseStream())
{
byte[] buffer = new byte[1024];
int length = stream.Read(buffer, 0, buffer.Length);
while (length > 0)
{
//如果Unity客户端关闭，停止下载
//if (isStop) break;
//将内容再写入本地文件中
fs.Write(buffer, 0, length);
//计算进度
fileLength += length;
handler.progress = (float)fileLength / (float)totalLength;
//类似尾递归
length = stream.Read(buffer, 0, buffer.Length);
}
stream.Close();
}
if (needReCheck)
{
LogData.LogFormat("[文件下载]:[{0}]:需要重新校验", handler.fileName);
checkOk = VerifyFileMd5(fs, handler.fileName, handler.checkMd5);
}
else
{
LogData.LogFormat("[文件下载]:[{0}]:不需要重新校验", handler.fileName);
checkOk = true;
}
fs.Flush();
fs.Close();
if (checkOk)
{
LogData.LogFormat("[文件下载]:[{0}]:文件下载成功", handler.fileName);
handler.progress = 1.0f;
handler.isDone = true;
lock (lock_obj)
{
downloadActions.Add(handler.onSucceed);
handler.onSucceed = null;
}
}
else
{
LogData.LogFormat("[文件下载]:[{0}]:重新校验文件失败,扔回队列等待重下", handler.fileName);
handler.downloadCnt -= 1;
handler.progress = 0.0f;
handler.isDone = false;
fs.SetLength(0);
if (handler.downloadCnt <= 0)
{
LogData.LogErrorFormat("[文件下载]:[{0}]:重下次数已经用完", handler.fileName);
var actionFailed = handler.onFailed;
handler.onFailed = null;
handler.isDone = true;
lock (lock_obj)
{
downloadActions.Add(actionFailed);
}
continue;
}
lock (lock_obj)
{
unstartedList.Add(handler);
}
}
}
}
catch (System.Exception e)
{
LogData.LogErrorFormat("[文件下载]:[{0}]:下载异常:[{1}]", handler.fileName, e.Message);
handler.downloadCnt -= 1;
if (handler.downloadCnt <= 0)
{
LogData.LogErrorFormat("[文件下载]:[{0}]:下载异常:重下次数已经用完", handler.fileName);
handler.isDone = true;
handler.progress = 0.0f;
var actionFailed = handler.onFailed;
handler.onFailed = null;
lock (lock_obj)
{
downloadActions.Add(actionFailed);
}
}
else
{
LogData.LogErrorFormat("[文件下载]:[{0}]:下载异常:扔回队列等待重下", handler.fileName);
lock (lock_obj)
{
unstartedList.Add(handler);
}
}
}
}
}