/// <summary>获取某通道视频在某时段对应的有效的文件夹列表</summary>
public static DateTime[] GetFolderPaths(string videoId, int streamId, DateTime start, DateTime end)
{
List <DateTime> list = new List <DateTime>();
string path = GlobalData.VideoPath(videoId, streamId);
if (Directory.Exists(path))
{
DateTime cur = start.Date;
while (cur < end)
{
DirectoryInfo dir = new DirectoryInfo(Path.Combine(path, GlobalProcess.FolderPath(cur)));
if (dir.Exists)
{
list.Add(cur);
cur = cur.AddDays(1);
}
else if (dir.Parent.Exists)
{
cur = cur.AddDays(1);
}
else if (dir.Parent.Parent.Exists)
{
cur = new DateTime(cur.Year, cur.Month, 1).AddMonths(1);
}
else
{
cur = new DateTime(cur.Year + 1, 1, 1);
}
}
}
return(list.ToArray());
}
public static void Add1()
{
var beginTime = new DateTime(2016, 3, 22, 23, 50, 1, 156);
string videoId = "videoId";
int streamId = 2;
string path = System.IO.Path.Combine(GlobalData.Path, $"{videoId}_{streamId}");
GlobalData.FileLengthSup = new TimeSpan(0, 5, 0);
using (SyncRecorder recorder = new SyncRecorder(path))
{
recordAddMinutes(recorder, beginTime, 0, DataType.StreamDataKey);
recordAddMinutes(recorder, beginTime, 1, DataType.SysHead); //new
recordAddMinutes(recorder, beginTime, 1, DataType.StreamDataKey);
recordAddMinutes(recorder, beginTime, 2, DataType.StreamDataKey);
recordAddMinutes(recorder, beginTime, 3, DataType.StreamData);
recordAddMinutes(recorder, beginTime, 4, DataType.StreamDataKey);
recordAddMinutes(recorder, beginTime, 5, DataType.StreamData);
recordAddMinutes(recorder, beginTime, 6, DataType.StreamData);
recordAddMinutes(recorder, beginTime, 7, DataType.StreamDataKey); //new
recordAddMinutes(recorder, beginTime, 8, DataType.StreamData);
recordAddMinutes(recorder, beginTime, 9, DataType.SysHead); //new
recordAddMinutes(recorder, beginTime, 9, DataType.StreamDataKey);
recordAddMinutes(recorder, beginTime, 10, DataType.StreamData);
recordAddMinutes(recorder, beginTime, 11, DataType.StreamData);
recordAddMinutes(recorder, beginTime, 12, DataType.StreamDataKey); //new
recordAddMinutes(recorder, beginTime, 13, DataType.StreamData);
recordAddMinutes(recorder, beginTime, 14, DataType.StreamData);
recordAddMinutes(recorder, beginTime, 15, DataType.StreamDataKey);
recordAddMinutes(recorder, beginTime, 16, DataType.StreamData);
recordAddMinutes(recorder, beginTime, 17, DataType.StreamData);
recordAddMinutes(recorder, beginTime, 18, DataType.StopSign);
writeError(Path.Combine(path, GlobalProcess.FolderPath(beginTime)), $"20100322235959999{GlobalProcess.IndexesFormat()}");
}
}
public VideoTimePeriodsPacket Search(DateTime beginTime, DateTime endTime, IVideoInfo videoInfo)
{
string path = GlobalData.VideoPath(videoInfo.VideoId, videoInfo.StreamId);
DateTime[] dates = VideoStoragerManager.GetFolderPaths(videoInfo.VideoId, videoInfo.StreamId, beginTime, endTime);
List <TimePeriodPacket> tis = new List <TimePeriodPacket>();
Parallel.ForEach(dates, date =>
{
string folder = Path.Combine(path, GlobalProcess.FolderPath(date));
var array = FolderManager.GetTimePeriods(folder);
if (array.Length > 0)
{
lock (tis)
tis.AddRange(array);
}
});
if (endTime > DateTime.Now.Date)
{
tis.AddRange(findTodayLastest(path, endTime));
}
var timeCombines = TimePeriodManager.Combine(tis.ToArray());
var validArray = TimePeriodManager.GetIntersections(timeCombines, new TimePeriodPacket(beginTime, endTime));
return(new VideoTimePeriodsPacket(videoInfo, validArray));
}
private static void addErrorFile(string videoId, int streamId, DateTime date)
{
string path = Path.Combine(GlobalData.Path, $"{videoId}_{streamId}", GlobalProcess.FolderPath(date));
Directory.CreateDirectory(path);
writeError(path, $"{GlobalProcess.FileNameFromDate(date)}235959999{GlobalProcess.IndexesFormat()}");
writeError(path, $"{GlobalProcess.FileNameFromDate(date)}235959999{GlobalProcess.RecFormat()}");
}
public void TestFileManager_GetTimePeriods()
{
BaseInfo.AddData_videoId_003_2_20160330();
DateTime time = new DateTime(2016, 03, 30);
string fileName = Path.Combine(GlobalData.Path, @"videoID_003_2", GlobalProcess.FolderPath(time), $"{GlobalProcess.FileNameFromDate(time)}{GlobalProcess.SimpleIndexesFormat()}");
Assert.IsNotNull(FileManager.GetTimePeriods(fileName));
using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
Assert.IsNotNull(FileManager.GetTimePeriods(fileName));
}
TimePeriodPacket[] findTodayLastest(string path, DateTime end)
{
string folder = Path.Combine(path, GlobalProcess.FolderPath(DateTime.Now));
var array = FolderManager.GetIndexesFiles(folder);
if (array.Length > 0)
{
string file = array.Max();
var packets = FileManager.GetIndexesPackets(file);
return(TimePeriodManager.Combine(packets));
}
return(new TimePeriodPacket[0]);
}
/// <summary>获取某通道视频在某时段对应文件的首个视频头</summary>
public static VideoBasePacket GetVideoBaseInfom(string videoId, int streamId, DateTime beginTime, DateTime endTime)
{
string path = GlobalData.VideoPath(videoId, streamId);
DateTime[] dates = GetFolderPaths(videoId, streamId, beginTime, endTime);
foreach (var date in dates)
{
var header = FolderManager.GetVideoHeader(Path.Combine(path, GlobalProcess.FolderPath(date)), beginTime, endTime);
if (header != null && header.Type == DataType.SysHead)
{
long length = getLength(path, dates, beginTime, endTime, StreamPacket.Encode(header).Length + 4);
return(new VideoBasePacket(header.Buffer, header.Time, length));
}
}
return(null);
}
public void TestVideoStoragerManager_SearchEarliestSubfolder_One()
{
BaseInfo.AddOldVideo();
string videoId = "videoID_003";
int streamId = 2;
string path = GlobalData.VideoPath(videoId, streamId);
DateTime beginTime = new DateTime(2001, 3, 23, 01, 50, 1, 156);
Directory.CreateDirectory(Path.Combine(path, @"10000\01\01"));
Directory.CreateDirectory(Path.Combine(path, @"2001\1\01"));
string earliestPath = Path.Combine(path, GlobalProcess.FolderPath(beginTime));
var info = VideoStoragerManager.SearchEarliestSubfolder(path);
Assert.IsNotNull(info);
Assert.AreEqual(earliestPath, info.Path);
Assert.AreEqual(beginTime.Date, info.Time);
}
static long getLength(string path, DateTime[] dates, DateTime beginTime, DateTime endTime, int headerLength)
{
long size = 0;
for (int i = 0; i < dates.Length; i++)
{
var date = dates[i];
string folder = Path.Combine(path, GlobalProcess.FolderPath(date));
if (date > beginTime.Date && date < endTime.Date)
{
size += getAllSize(folder, headerLength);
}
else
{
size += getValidSize(folder, beginTime, endTime, headerLength);
}
}
return(size);
}
static string getPath(string videoId, int streamId, DateTime time)
{
return(Path.Combine(GlobalData.VideoPath(videoId, streamId), GlobalProcess.FolderPath(time), GlobalProcess.FileNameFromTime(time) + GlobalProcess.RecFormat()));
}
public void Test_GlobalProcess_FolderPath()
{
Assert.AreEqual(@"2016\03\29", GlobalProcess.FolderPath(new DateTime(2016, 3, 29, 11, 33, 20, 555)));
}
private static string getPath(string videoId, int streamId, DateTime time)
{
return(Path.Combine(GlobalData.VideoPath(videoId, streamId), GlobalProcess.FolderPath(time)));
}
protected override void updateFolderPath()
{
_curFolder = Path.Combine(_filePath, GlobalProcess.FolderPath(_fileStartTime));
}
