public static void Start(HttpListenerRequest req, HttpListenerResponse res)
{
string command, mcu_jid;
int mcu_cid;
XmlElement node;
string body_b64 = Utility.BodyFromStream.read(req.InputStream, req.ContentLength64, Encoding.ASCII);
string body = Encoding.UTF8.GetString(Convert.FromBase64String(body_b64));
if (body == null)
{
Console.WriteLine("Record.Start: Net broken!");
return;
}
Log.log("Record_Start: xml=" + body);
if (Utility.BodyParser.parse(body, out command, out node, out mcu_jid, out mcu_cid))
{
// 需要继续解析 node， 格式为：
/*
* <cmd command="record_start">
* <uuid>xxxx-xxx...</uuid> // 录像目录，上传时，将上传整个 uuid 的目录，这个 uuid 将与直播时的 uuid 一致
* <subject>......</subject> // 互动描述
* <members>
* <caller>...</caller> // 主讲 ..
* <callee>...</callee> // 听讲，可能多个
* <callee>...</callee>
* </members>
* <files>
* <file> // 描述一个录像文件
* <aid>xx</aid> // 音频 id
* <vid>xx</vid> // 视频 id
* <desc>....</desc> // 录像描述
* <name> ...</name> // 录像文件名字
* .... // ...
* </file>
* <file>
* </file>
* ....
* </files>
* </cmd>
*/
RecordStartParam param = parseRecordStartNode(node);
if (param == null)
{
format_error(res);
return;
}
param.mcu_cid = mcu_cid;
param.mcu_jid = mcu_jid;
// 检查录像是否已经启动
lock (RecordingTasks)
{
if (RecordingTasks.ContainsKey(mcu_cid))
{
already_recording_error(res, mcu_cid);
return;
}
// 启动录像任务
try
{
RecordingTasks.Add(mcu_cid, new RecordTask(param));
done(res, "");
}
catch
{
failure_error(res);
}
}
}
else
{
format_error(res);
}
}