void addDFile(XmlPatch.DFileInfo df)
{
lock (mDFS)
{
if (mDFS.ContainsKey(df.id))
{
return;
}
mDFS[df.id] = df;
}
}
void CDNFileDownThread(object param)
{
int threadIdx = (int)param;
//Log.I("cdn sub thread start",Log.Tag.Update);
XmlPatch.DFileInfo df = null;
byte[] buf = new byte[RecvBuffSize];
int pLen = mThis.mDataPath.Length;
int retryTimes = 0;
while (!mError)
{
if (retryTimes <= 0)
{//取下一个下载文件
lock (mLock)
{
if (mIDS.Count <= 0)
{
break;
}
mIndex = ++mIndex % mIDS.Count;
df = mThis.lockDFile(mIDS[mIndex]);
if (df == null)
{
continue;
}
if (df.size <= 0)
{
mIDS.RemoveAt(mIndex);
continue;
}
}
}
HttpWebResponse rt = null;
FileStream fs = null;
Stream st = null;
try
{
string savePath = df.path;
string tmpPath = savePath + "." + mThis.mNewVersion + ".tmp";
fs = File.Exists(tmpPath)?new FileStream(tmpPath, FileMode.Append, FileAccess.Write, FileShare.Write):new FileStream(tmpPath, FileMode.Create);
int tmpSize = (int)fs.Length;
if (tmpSize < df.size)
{
mHWRS[threadIdx] = HttpWebRequest.Create(new Uri(mThis.mUrl + savePath.Substring(pLen))) as HttpWebRequest;
//mHWRS[threadIdx].KeepAlive = true;//保持连接，否则消耗服务器的连接数,有的服务器设置会强制关闭连接/
mHWRS[threadIdx].KeepAlive = false;
mHWRS[threadIdx].Timeout = TimeOut;
mHWRS[threadIdx].ReadWriteTimeout = TimeOut;
mHWRS[threadIdx].AddRange("bytes", tmpSize);//必须在GetResponse之前设置
rt = mHWRS[threadIdx].GetResponse() as HttpWebResponse;
st = rt.GetResponseStream();
int size = ((int)df.size) - tmpSize;
int n = 0;
while (size > 0)
{
n = st.Read(buf, 0, size > RecvBuffSize?RecvBuffSize:size);
if (n <= 0)
{
throw new Exception("HttpWebResponse read exception");
}
fs.Write(buf, 0, n);
size -= n;
Interlocked.Add(ref mDownSize, n);
}
}
fs.Close();
if (File.Exists(savePath))
{
File.Delete(savePath);
}
File.Move(tmpPath, savePath);
if (df.md5 != FileUtils.GetMd5Hash(savePath))
{
File.Delete(savePath);
Interlocked.Add(ref mDownSize, -df.size);
throw new Exception("data md5 error");
}
retryTimes = 0;
df.size = 0;//标记文件下载完成
df.locked = false;
}
catch (Exception e)
{
++retryTimes;
if (mCancel || retryTimes >= 3)
{
mError = true;
df.locked = false;
Log.e("download failed file=" + df.path, Log.Tag.Update);
Log.e(e, Log.Tag.Update);
}
else
{
Log.i("retry download file=" + df.path, Log.Tag.Update);
Thread.Sleep(300);
}
}
finally
{
if (null != fs)
{
fs.Close();
}
if (null != st)
{
st.Close();
}
if (null != rt)
{
rt.Close();
}
}
}
Interlocked.Increment(ref mExitCount);
//Log.I("cdn sub thread exit", Log.Tag.Update);
}
void CDNDownThread(object param)
{
float progress = 0;
Action action = Action.DownXml;
try
{
//获取版本配置文件/
EventMgr.single.PostEvent("UpdateEvent", new UpdateEvent(this, progress, State.Doing, action));
if (mThis.mPatch.getVersion() != mThis.mNewVersion)
{
mHWR = HttpWebRequest.Create(new Uri(mThis.mUrl + "version.xml")) as HttpWebRequest;
mHWR.KeepAlive = false;
mHWR.Timeout = TimeOut;
mHWR.ReadWriteTimeout = TimeOut;
HttpWebResponse rt = mHWR.GetResponse() as HttpWebResponse;
recvXml(mThis.mDataPath + "version.xml", rt.GetResponseStream(), (int)rt.ContentLength);
rt.Close();
mTotalSize = 0;
}
mHWR = null;
//计算下载文件
if (mTotalSize <= 0)
{
action = Action.CalcSize;
mIDS = new List <int>();
mParts = mThis.mPatch.getDepends(mParts);
List <XmlPatch.DFileInfo> dfs = mThis.mPatch.listDownFiles(delegate(float percent){ EventMgr.single.PostEvent("UpdateEvent", new UpdateEvent(this, progress = percent, State.Doing, action)); }, ref mCancel, mParts);
long size = 0;
long tmpSize = 0;
for (int i = 0, max = dfs.Count; i < max; ++i)
{
XmlPatch.DFileInfo df = dfs[i];
mThis.addDFile(dfs[i]);
mIDS.Add(df.id);
size += df.size;
FileInfo f = new FileInfo(df.path + "." + mThis.mNewVersion + ".tmp");
if (f.Exists)
{
tmpSize += f.Length;
}
}
mTotalSize = size;
mDownSize = tmpSize;
System.GC.Collect();
if ((Action)param == Action.CalcSize)
{
EventMgr.single.PostEvent("UpdateEvent", new UpdateEvent(this, progress, State.Idle, action));
return;
}
}
}
catch (Exception e)
{
mHWR = null;
mError = true;
Log.e(e, Log.Tag.Update);
EventMgr.single.PostEvent("UpdateEvent", new UpdateEvent(this, progress, State.Failed, action));
return;
}
//开启文件下载线程/
progress = mTotalSize > 0?1.0f * Interlocked.Read(ref mDownSize) / mTotalSize:1;
action = Action.DownFile;
EventMgr.single.PostEvent("UpdateEvent", new UpdateEvent(this, progress, State.Doing, action));
List <Thread> lsThread = new List <Thread> ();
for (int i = 0; i < mHWRS.Length; ++i)
{
Thread t = new Thread(new ParameterizedThreadStart(CDNFileDownThread));
lsThread.Add(t);
t.Start(i);
}
//通知显示资源下载进度/
while (Interlocked.Read(ref mExitCount) < lsThread.Count)
{
progress = mTotalSize > 0?1.0f * Interlocked.Read(ref mDownSize) / mTotalSize:1;
EventMgr.single.PostEvent("UpdateEvent", new UpdateEvent(this, progress, State.Doing, action));
Thread.Sleep(100);
}
//等待下载线程结束/
for (int i = 0; i < lsThread.Count; ++i)
{
lsThread[i].Join();
}
//解压lua脚本
mError = !unzipLua(ref action, ref progress);
//===========
Log.i("cdn main thread exit,task name=" + this.mName, Log.Tag.Update);
if (!mError)
{
//通知更新完成
EventMgr.single.PostEvent("UpdateEvent", new UpdateEvent(this, 1, State.Completed, action));
}
else
{
Thread.Sleep(500);
EventMgr.single.PostEvent("UpdateEvent", new UpdateEvent(this, progress, State.Failed, action));
}
}