개정판 2007ecaa
thumbnail을 별도의 프로세스에서 download 하도록 수정
Change-Id: Ica8432a3fbe5e44d92412ec91290097deddeee71
| KCOM/PageManager/PageStorage.cs | ||
|---|---|---|
| 1 | 1 |
using System; |
| 2 |
using System.Collections.Concurrent; |
|
| 2 | 3 |
using System.Collections.Generic; |
| 3 | 4 |
using System.ComponentModel; |
| 4 | 5 |
using System.Linq; |
| ... | ... | |
| 11 | 12 |
public class PageStorage |
| 12 | 13 |
{
|
| 13 | 14 |
private const int DEFUALT_TALK_PAGE_COUNT = 10; |
| 14 |
bool IsRunWork = false; |
|
| 15 |
|
|
| 16 |
public event EventHandler<PageLoadCompletedEventArgs> PageLoadCompleted; |
|
| 17 |
|
|
| 18 |
List<int> WorkItems = new List<int>(); |
|
| 19 |
ConcurrentBag<PageItem> fileItems = new ConcurrentBag<PageItem>(); |
|
| 15 | 20 |
BackgroundWorker backgroundWorker; |
| 16 |
List<PageItem> fileItems = new List<PageItem>(); |
|
| 21 |
|
|
| 22 |
//List<PageItem> fileItems = new List<PageItem>(); |
|
| 17 | 23 |
string _localStorage; |
| 18 | 24 |
string _fileExt; |
| 19 | 25 |
string _BaseUri; |
| 20 | 26 |
int _TotalPages; |
| 21 | 27 |
int _TakeCount; |
| 22 | 28 |
|
| 29 |
bool IsDownload = false; |
|
| 23 | 30 |
|
| 24 | 31 |
BitmapFrame PageImage; |
| 25 | 32 |
|
| 26 |
public PageStorage(string BaseUri, string localStoragePath,string fileExt,int totalPages,int takeCount = 5)
|
|
| 33 |
public PageStorage(string BaseUri, string localStoragePath, string fileExt, int totalPages, int takeCount = 5)
|
|
| 27 | 34 |
{
|
| 28 | 35 |
try |
| 29 | 36 |
{
|
| 30 |
backgroundWorker = new BackgroundWorker {WorkerSupportsCancellation = true };
|
|
| 37 |
backgroundWorker = new BackgroundWorker { WorkerSupportsCancellation = true, WorkerReportsProgress = true };
|
|
| 31 | 38 |
backgroundWorker.DoWork += BackgroundWorker_DoWork; |
| 32 |
|
|
| 39 |
backgroundWorker.ProgressChanged += BackgroundWorker_ProgressChanged; |
|
| 33 | 40 |
_fileExt = fileExt; |
| 34 | 41 |
_BaseUri = BaseUri; |
| 35 | 42 |
_localStorage = localStoragePath; |
| ... | ... | |
| 46 | 53 |
} |
| 47 | 54 |
} |
| 48 | 55 |
|
| 49 |
private void BackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
|
|
| 56 |
private void BackgroundWorker_ProgressChanged(object sender, ProgressChangedEventArgs e)
|
|
| 50 | 57 |
{
|
| 51 |
int StartPageNo = -1; |
|
| 52 |
int TalkCount = -1; |
|
| 53 |
|
|
| 54 |
if (e.Argument != null) |
|
| 55 |
{
|
|
| 58 |
System.Diagnostics.Debug.WriteLine(_fileExt + ":" + e.ProgressPercentage.ToString() + "%"); |
|
| 59 |
} |
|
| 56 | 60 |
|
| 57 |
var values = (e.Argument as int[]); |
|
| 61 |
private async void BackgroundWorker_DoWork(object sender, DoWorkEventArgs e) |
|
| 62 |
{
|
|
| 58 | 63 |
|
| 59 |
if (values.Count() == 2) |
|
| 64 |
while (WorkItems.Count > 0) |
|
| 65 |
{
|
|
| 66 |
if (!IsDownload) |
|
| 60 | 67 |
{
|
| 68 |
int item = -1; |
|
| 69 |
try |
|
| 70 |
{
|
|
| 61 | 71 |
|
| 62 |
StartPageNo = values[0]; |
|
| 63 |
TalkCount = values[1]; |
|
| 72 |
if (WorkItems.TryFrist(true, out item)) |
|
| 73 |
{
|
|
| 74 |
var result = await DownloadPageAsync(item, null); |
|
| 64 | 75 |
|
| 65 |
DownloadPagesAsync( StartPageNo, TalkCount); |
|
| 76 |
if (!result.IsDownLoad) |
|
| 77 |
{
|
|
| 78 |
System.Threading.Thread.Sleep(100); |
|
| 79 |
} |
|
| 80 |
await Task.Delay(100); |
|
| 81 |
//System.Threading.Thread.Sleep(10); |
|
| 82 |
//backgroundWorker.ReportProgress(fileItems.Count / _TotalPages * 100); |
|
| 83 |
} |
|
| 84 |
} |
|
| 85 |
catch (Exception ex) |
|
| 86 |
{
|
|
| 87 |
System.Diagnostics.Debug.WriteLine(ex.ToString()); |
|
| 88 |
} |
|
| 66 | 89 |
} |
| 67 | 90 |
} |
| 68 | 91 |
} |
| ... | ... | |
| 78 | 101 |
|
| 79 | 102 |
} |
| 80 | 103 |
|
| 81 |
public async Task<BitmapFrame> GetPageImageAsync(System.Threading.CancellationToken cts,int PageNo,bool IsRestart =false)
|
|
| 104 |
public async Task<BitmapFrame> GetPageImageAsync(System.Threading.CancellationToken cts, int PageNo, bool IsRestart = false)
|
|
| 82 | 105 |
{
|
| 83 | 106 |
try |
| 84 | 107 |
{
|
| 85 | 108 |
|
| 86 |
var localUri = await GetPageUriAsync(cts,PageNo);
|
|
| 109 |
var localUri = await GetPageUriAsync(null, PageNo);
|
|
| 87 | 110 |
|
| 88 | 111 |
if (localUri != null || !cts.IsCancellationRequested) |
| 89 | 112 |
{
|
| ... | ... | |
| 101 | 124 |
return PageImage; |
| 102 | 125 |
} |
| 103 | 126 |
|
| 104 |
public async Task<Uri> GetPageUriAsync( System.Threading.CancellationToken cts, int PageNo, bool IsRestart = false) |
|
| 127 |
private void DownloadWorkAsync(int startPage, int TakeCount) |
|
| 128 |
{
|
|
| 129 |
|
|
| 130 |
lock (WorkItems) |
|
| 131 |
{
|
|
| 132 |
WorkItems.AddRange(Enumerable.Range(startPage, TakeCount)); |
|
| 133 |
} |
|
| 134 |
|
|
| 135 |
if (TakeCount == _TotalPages) |
|
| 136 |
{
|
|
| 137 |
_TakeCount = 0; |
|
| 138 |
} |
|
| 139 |
|
|
| 140 |
// var files = fileItems.Select(x => x.PageNo); |
|
| 141 |
|
|
| 142 |
|
|
| 143 |
//for (int i = startPage; i < TakeCount + 1; i++) |
|
| 144 |
//{
|
|
| 145 |
// if (i < _TotalPages && !WorkItems.Contains(i) && !files.Contains(i)) |
|
| 146 |
// {
|
|
| 147 |
// WorkItems.Add(i); |
|
| 148 |
// // System.Threading.Thread.Sleep(1); |
|
| 149 |
// } |
|
| 150 |
// else if(i == _TotalPages) |
|
| 151 |
// {
|
|
| 152 |
// _TakeCount = 0; |
|
| 153 |
// } |
|
| 154 |
//} |
|
| 155 |
|
|
| 156 |
if (!backgroundWorker.IsBusy && WorkItems.Count() > 0) |
|
| 157 |
{
|
|
| 158 |
backgroundWorker.RunWorkerAsync(); |
|
| 159 |
} |
|
| 160 |
|
|
| 161 |
//await Task.Delay(10);// System.Threading.Thread.Sleep(10); |
|
| 162 |
//while (WorkItems.Count > 0) |
|
| 163 |
//{
|
|
| 164 |
// int item = -1; |
|
| 165 |
|
|
| 166 |
// if (WorkItems.TryDequeue(out item)) |
|
| 167 |
// {
|
|
| 168 |
// var result = await DownloadPageAsync(item, null); |
|
| 169 |
// } |
|
| 170 |
|
|
| 171 |
//} |
|
| 172 |
|
|
| 173 |
} |
|
| 174 |
|
|
| 175 |
public async Task<Uri> GetPageUriAsync(System.Threading.CancellationToken? cts, int PageNo, bool IsRestart = false) |
|
| 105 | 176 |
{
|
| 106 | 177 |
Uri result = null; |
| 107 | 178 |
|
| ... | ... | |
| 109 | 180 |
{
|
| 110 | 181 |
System.Diagnostics.Debug.WriteLine("GetPageAsync");
|
| 111 | 182 |
|
| 112 |
var pageItem = await DownloadPageAsync(PageNo,cts); |
|
| 113 |
|
|
| 114 |
if (!IsRunWork && pageItem != null)
|
|
| 183 |
var pageItem = await DownloadPageAsync(PageNo, cts);
|
|
| 184 |
|
|
| 185 |
if (pageItem != null && 0 < _TakeCount && PageNo + 1 < _TotalPages)
|
|
| 115 | 186 |
{
|
| 116 |
var takePageNoList = Enumerable.Range(PageNo + 1, _TakeCount);
|
|
| 187 |
int takecount = _TakeCount;
|
|
| 117 | 188 |
|
| 118 |
if (takePageNoList.Any(x => fileItems.Count(y => y.PageNo == x) == 0))
|
|
| 189 |
if (_TotalPages < PageNo + 1 + takecount)
|
|
| 119 | 190 |
{
|
| 120 |
while (backgroundWorker.IsBusy) |
|
| 121 |
{
|
|
| 122 |
if (backgroundWorker.IsBusy) |
|
| 123 |
{
|
|
| 124 |
backgroundWorker.CancelAsync(); |
|
| 125 |
} |
|
| 191 |
takecount = takecount - (PageNo + 1 + takecount - _TotalPages) - 1; |
|
| 192 |
} |
|
| 126 | 193 |
|
| 127 |
await Task.Delay(100);
|
|
| 128 |
}
|
|
| 194 |
DownloadWorkAsync(PageNo + 1, takecount);
|
|
| 195 |
//var takePageNoList = Enumerable.Range(PageNo + 1, _TakeCount);
|
|
| 129 | 196 |
|
| 130 |
backgroundWorker.RunWorkerAsync(new int[] { PageNo + 1, _TakeCount });
|
|
| 131 | 197 |
|
| 132 |
if (_TotalPages == _TakeCount) |
|
| 133 |
{
|
|
| 134 |
IsRunWork = true; |
|
| 135 |
} |
|
| 136 |
} |
|
| 137 | 198 |
} |
| 138 | 199 |
|
| 139 | 200 |
result = pageItem.LocalUri; |
| 140 | 201 |
} |
| 141 | 202 |
catch (Exception ex) |
| 142 | 203 |
{
|
| 143 |
if (!IsRestart || !cts.IsCancellationRequested) |
|
| 204 |
if (cts != null) |
|
| 205 |
{
|
|
| 206 |
if (cts.Value.IsCancellationRequested) |
|
| 207 |
{
|
|
| 208 |
return result; |
|
| 209 |
} |
|
| 210 |
} |
|
| 211 |
|
|
| 212 |
if (!IsRestart) |
|
| 144 | 213 |
{
|
| 145 | 214 |
await Task.Delay(100); |
| 146 | 215 |
|
| 147 |
result = await GetPageUriAsync(cts,PageNo, true); |
|
| 216 |
result = await GetPageUriAsync(cts, PageNo, true);
|
|
| 148 | 217 |
} |
| 149 | 218 |
//throw new Exception("GetPageAsync(string BasePageUri,int PageNo)", ex);
|
| 150 | 219 |
} |
| ... | ... | |
| 155 | 224 |
return result; |
| 156 | 225 |
} |
| 157 | 226 |
|
| 158 |
public async void DownloadPagesAsync(int StartPageNo, int TalkCount = 5) |
|
| 159 |
{
|
|
| 160 |
try |
|
| 161 |
{
|
|
| 162 |
if (StartPageNo + TalkCount > _TotalPages) |
|
| 163 |
{
|
|
| 164 |
TalkCount = _TotalPages - StartPageNo; |
|
| 165 |
} |
|
| 166 |
|
|
| 167 |
if (TalkCount > 0) |
|
| 168 |
{
|
|
| 169 |
for (int i = StartPageNo; i < StartPageNo + TalkCount; i++) |
|
| 170 |
{
|
|
| 171 |
try |
|
| 172 |
{
|
|
| 173 |
await DownloadPageAsync(i,null); |
|
| 174 |
System.Threading.Thread.Sleep(200); |
|
| 175 |
} |
|
| 176 |
catch (Exception ex) |
|
| 177 |
{
|
|
| 178 |
System.Diagnostics.Debug.WriteLine("DownloadPagesAsync err", ex);
|
|
| 179 |
} |
|
| 180 |
finally |
|
| 181 |
{
|
|
| 182 |
} |
|
| 183 |
|
|
| 184 |
} |
|
| 185 |
} |
|
| 186 |
} |
|
| 187 |
catch (Exception ex) |
|
| 188 |
{
|
|
| 189 |
throw new Exception("DownloadPagesAsync : ", ex);
|
|
| 190 |
} |
|
| 191 |
finally |
|
| 192 |
{
|
|
| 193 |
GC.Collect(2); |
|
| 194 |
GC.Collect(2); |
|
| 195 |
} |
|
| 196 |
} |
|
| 197 |
|
|
| 198 |
public async Task<PageItem> DownloadPageAsync(int PageNo,System.Threading.CancellationToken? cts) |
|
| 227 |
public async Task<PageItem> DownloadPageAsync(int PageNo, System.Threading.CancellationToken? cts) |
|
| 199 | 228 |
{
|
| 200 | 229 |
PageItem result = new PageItem { PageNo = PageNo };
|
| 201 | 230 |
|
| 202 | 231 |
try |
| 203 | 232 |
{
|
| 204 |
var page = fileItems.Where(x => x.PageNo == PageNo); |
|
| 233 |
var page = fileItems.Where(x => x.PageNo == PageNo).ToList();
|
|
| 205 | 234 |
|
| 206 |
if (page.Count() > 0)
|
|
| 235 |
if (page.Count > 0) |
|
| 207 | 236 |
{
|
| 208 | 237 |
System.Diagnostics.Debug.WriteLine("DownloadPageAsync fileItems");
|
| 209 | 238 |
|
| 210 |
PageItem item = page.First();
|
|
| 239 |
result = page.First();
|
|
| 211 | 240 |
|
| 212 | 241 |
/// 파일 체크 후 없으면 다시 다운로드 |
| 213 |
if (System.IO.File.Exists(item.LocalFilePath))
|
|
| 242 |
if (!System.IO.File.Exists(result.LocalFilePath))
|
|
| 214 | 243 |
{
|
| 215 |
result = page.First(); |
|
| 216 |
} |
|
| 217 |
else |
|
| 218 |
{
|
|
| 219 |
fileItems.Remove(item); |
|
| 244 |
//fileItems.(result); |
|
| 220 | 245 |
|
| 221 |
result = await DownloadPageAsync(PageNo,cts); |
|
| 246 |
result = await DownloadPageAsync(PageNo, cts);
|
|
| 222 | 247 |
} |
| 223 | 248 |
} |
| 224 | 249 |
else |
| 225 | 250 |
{
|
| 251 |
|
|
| 226 | 252 |
System.Diagnostics.Debug.WriteLine("DownloadPageAsync down");
|
| 227 | 253 |
|
| 228 | 254 |
string downloadFilePath = System.IO.Path.Combine(_localStorage, PageNo.ToString() + "." + _fileExt); |
| 229 | 255 |
|
| 230 | 256 |
Uri originalUri = new Uri(_BaseUri.Replace("{PageNo}", PageNo.ToString()));
|
| 231 | 257 |
|
| 258 |
result = new PageItem |
|
| 259 |
{
|
|
| 260 |
PageNo = PageNo, |
|
| 261 |
OriginalUri = originalUri, |
|
| 262 |
LocalUri = new Uri(downloadFilePath, UriKind.Absolute), |
|
| 263 |
LocalFilePath = downloadFilePath |
|
| 264 |
}; |
|
| 265 |
|
|
| 266 |
if (fileItems.Where(x => x.PageNo == PageNo).Count() == 0) |
|
| 267 |
{
|
|
| 268 |
fileItems.Add(result); |
|
| 269 |
} |
|
| 232 | 270 |
|
| 233 | 271 |
using (System.Net.WebClient client = new System.Net.WebClient()) |
| 234 | 272 |
{
|
| ... | ... | |
| 248 | 286 |
// //(snd as System.Net.WebClient).Dispose(); |
| 249 | 287 |
//}; |
| 250 | 288 |
|
| 251 |
if(cts != null) |
|
| 289 |
if (cts != null) |
|
| 290 |
{
|
|
| 252 | 291 |
client.DownloadProgressChanged += (snd, ect) => |
| 253 | 292 |
{
|
| 254 |
if(cts.Value.IsCancellationRequested) |
|
| 293 |
IsDownload = client.IsBusy; |
|
| 294 |
|
|
| 295 |
if (cts.Value.IsCancellationRequested) |
|
| 255 | 296 |
{
|
| 256 | 297 |
client.CancelAsync(); |
| 257 | 298 |
} |
| 258 | 299 |
}; |
| 300 |
} |
|
| 301 |
|
|
| 302 |
client.DownloadFileCompleted += (snd, evt) => |
|
| 303 |
{
|
|
| 304 |
result.IsDownLoad = true; |
|
| 305 |
System.Diagnostics.Debug.WriteLine("Download : " + downloadFilePath);
|
|
| 259 | 306 |
|
| 260 |
System.Diagnostics.Debug.WriteLine("Download : " + downloadFilePath);
|
|
| 307 |
PageLoadCompleted?.Invoke(this, new PageLoadCompletedEventArgs(result)); |
|
| 308 |
}; |
|
| 261 | 309 |
|
| 262 | 310 |
await client.DownloadFileTaskAsync(originalUri, downloadFilePath); |
| 263 |
} |
|
| 264 |
|
|
| 265 |
result = new PageItem |
|
| 266 |
{
|
|
| 267 |
PageNo = PageNo, |
|
| 268 |
OriginalUri = originalUri, |
|
| 269 |
LocalUri = new Uri(downloadFilePath, UriKind.Absolute), |
|
| 270 |
LocalFilePath = downloadFilePath |
|
| 271 |
}; |
|
| 272 | 311 |
|
| 273 |
lock (fileItems) |
|
| 274 |
{
|
|
| 275 |
fileItems.Add(result); |
|
| 276 | 312 |
} |
| 313 |
|
|
| 314 |
//} |
|
| 277 | 315 |
//System.Diagnostics.Debug.WriteLine("Download : " + result.LocalFilePath);
|
| 278 | 316 |
} |
| 279 | 317 |
} |
| ... | ... | |
| 283 | 321 |
} |
| 284 | 322 |
finally |
| 285 | 323 |
{
|
| 324 |
IsDownload = false; |
|
| 286 | 325 |
} |
| 287 | 326 |
|
| 288 | 327 |
return result; |
| ... | ... | |
| 304 | 343 |
backgroundWorker.CancelAsync(); |
| 305 | 344 |
backgroundWorker.Dispose(); |
| 306 | 345 |
|
| 307 |
fileItems.ForEach(x =>
|
|
| 346 |
foreach (var item in fileItems)
|
|
| 308 | 347 |
{
|
| 309 |
System.IO.File.Delete(x.LocalFilePath);
|
|
| 310 |
});
|
|
| 348 |
System.IO.File.Delete(item.LocalFilePath);
|
|
| 349 |
} |
|
| 311 | 350 |
|
| 312 | 351 |
System.IO.Directory.Delete(_localStorage, true); |
| 313 | 352 |
} |
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