src/PartFile.h

   1 //
   2 // This file is part of the aMule Project.
   3 //
   4 // Copyright (c) 2003-2011 aMule Team ( admin@amule.org / http://www.amule.org )
   5 // Copyright (c) 2002-2011 Merkur ( devs@emule-project.net / http://www.emule-project.net )
   6 //
   7 // Any parts of this program derived from the xMule, lMule or eMule project,
   8 // or contributed by third-party developers are copyrighted by their
   9 // respective authors.
  10 //
  11 // This program is free software; you can redistribute it and/or modify
  12 // it under the terms of the GNU General Public License as published by
  13 // the Free Software Foundation; either version 2 of the License, or
  14 // (at your option) any later version.
  15 //
  16 // This program is distributed in the hope that it will be useful,
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 // GNU General Public License for more details.
  20 //
  21 // You should have received a copy of the GNU General Public License
  22 // along with this program; if not, write to the Free Software
  23 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  24 //
  25
  26 #ifndef PARTFILE_H
  27 #define PARTFILE_H
  28
  29
  30 #include "KnownFile.h"          // Needed for CKnownFile
  31 #include "FileAutoClose.h"      // Needed for CFileAutoClose
  32
  33 #include "OtherStructs.h"       // Needed for Requested_Block_Struct
  34 #include "DeadSourceList.h"     // Needed for CDeadSourceList
  35 #include "GapList.h"
  36
  37 class CSearchFile;
  38 class CMemFile;
  39 class CFileDataIO;
  40 class CED2KFileLink;
  41
  42 //#define BUFFER_SIZE_LIMIT     500000 // Max bytes before forcing a flush
  43 #define BUFFER_TIME_LIMIT       60000   // Max milliseconds before forcing a flush
  44
  45 // Ok, eMule and aMule are building incompatible backup files because
  46 // of the different name. aMule was using ".BAK" and eMule ".bak".
  47 // This should fix it.
  48 #define   PARTMET_BAK_EXT wxT(".bak")
  49
  50 enum EPartFileFormat {
  51         PMT_UNKNOWN     = 0,
  52         PMT_DEFAULTOLD,
  53         PMT_SPLITTED,
  54         PMT_NEWOLD,
  55         PMT_SHAREAZA,
  56         PMT_BADFORMAT
  57 };
  58
  59
  60 class SFileRating
  61 {
  62 public:
  63         wxString UserName;
  64         wxString FileName;
  65         sint16   Rating;
  66         wxString Comment;
  67 public:
  68         SFileRating(const wxString &u, const wxString &f, sint16 r, const wxString &c);
  69         SFileRating(const SFileRating &fr);
  70         SFileRating(const CUpDownClient &client);
  71         ~SFileRating();
  72 };
  73
  74 typedef std::list<SFileRating> FileRatingList;
  75
  76 class SourcenameItem
  77 {
  78 public:
  79         wxString        name;
  80         int                     count;
  81 public:
  82         SourcenameItem(const wxString &n = EmptyString, int c = 0)
  83         :
  84         name(n), count(c) {}
  85 };
  86
  87 typedef std::map<uint32,SourcenameItem> SourcenameItemMap;
  88
  89 class CPartFile : public CKnownFile {
  90 public:
  91         typedef std::list<Requested_Block_Struct*> CReqBlockPtrList;
  92
  93         CPartFile();
  94 #ifdef CLIENT_GUI
  95         CPartFile(CEC_PartFile_Tag *tag);
  96 #else
  97         virtual void    SetFileName(const CPath& filename);
  98 #endif
  99         CPartFile(CSearchFile* searchresult);  //used when downloading a new file
 100         CPartFile(const CED2KFileLink* fileLink);
 101         virtual ~CPartFile();
 102
 103         virtual bool LoadFromFile(const CFileDataIO* WXUNUSED(file)) { return false; }
 104         bool    WriteToFile(CFileDataIO* WXUNUSED(file))        { return false; }
 105
 106         // virtual functions for CKnownFile and CPartFile:
 107         bool    IsPartFile() const              { return status != PS_COMPLETE; }       // true if not completed
 108         bool    IsCompleted() const             { return status == PS_COMPLETE; }       // true if completed
 109         bool    IsCPartFile() const             { return true; }                                        // true if it's a CPartFile
 110
 111         uint32  Process(uint32 reducedownload, uint8 m_icounter);
 112         uint8   LoadPartFile(const CPath& in_directory, const CPath& filename, bool from_backup = false, bool getsizeonly = false);
 113         bool    SavePartFile(bool Initial = false);
 114         void    PartFileHashFinished(CKnownFile* result);
 115         bool    HashSinglePart(uint16 partnumber); // true = ok , false = corrupted
 116
 117         bool    CheckShowItemInGivenCat(int inCategory);
 118
 119         bool    IsComplete(uint64 start, uint64 end)    { return m_gaplist.IsComplete(start, end); }
 120         bool    IsComplete(uint16 part)                 { return m_gaplist.IsComplete(part); }
 121
 122         void    UpdateCompletedInfos();
 123
 124         bool    GetNextRequestedBlock(CUpDownClient* sender, std::vector<Requested_Block_Struct*>& toadd, uint16& count);
 125         void    WritePartStatus(CMemFile* file);
 126         void    WriteCompleteSourcesCount(CMemFile* file);
 127         static bool     CanAddSource(uint32 userid, uint16 port, uint32 serverip, uint16 serverport, uint8* pdebug_lowiddropped = NULL, bool ed2kID = true);
 128         void    AddSources(CMemFile& sources, uint32 serverip, uint16 serverport, unsigned origin, bool bWithObfuscationAndHash);
 129 #ifdef CLIENT_GUI
 130         uint8   GetStatus() const { return status; }
 131         uint8   GetStatus(bool /*ignorepause = false*/) const { return status; }
 132 #else
 133         uint8   GetStatus(bool ignorepause = false) const;
 134 #endif
 135         virtual void    UpdatePartsInfo();
 136         const CPath& GetPartMetFileName() const { return m_partmetfilename; }
 137         uint16  GetPartMetNumber() const;
 138         uint64  GetTransferred() const          { return transferred; }
 139         const CPath& GetFullName() const        { return m_fullname; }
 140         float   GetKBpsDown() const                     { return kBpsDown; }
 141         double  GetPercentCompleted() const     { return percentcompleted; }
 142
 143 #ifndef CLIENT_GUI
 144         uint16  GetSourceCount() const          { return (uint16)m_SrcList.size(); }
 145         uint16  GetSrcA4AFCount() const         { return (uint16)m_A4AFsrclist.size(); }
 146 #else
 147         uint16  m_source_count, m_a4af_source_count;
 148         uint16  GetSourceCount() const          { return m_source_count; }
 149         uint16  GetSrcA4AFCount() const         { return m_a4af_source_count; }
 150 #endif
 151         uint16  GetTransferingSrcCount() const  { return transferingsrc; }
 152         uint16  GetNotCurrentSourcesCount()     const   { return m_notCurrentSources; };
 153         //void  SetNotCurrentSourcesCount(uint16 new_count)     { m_notCurrentSources = new_count; };
 154         uint16  GetValidSourcesCount() const    { return m_validSources; };
 155
 156         uint64  GetNeededSpace();
 157
 158         virtual wxString GetFeedback() const;
 159
 160         wxString getPartfileStatus() const; //<<--9/21/02
 161         sint32  getTimeRemaining() const; //<<--9/21/02
 162         time_t  lastseencomplete;
 163         int     getPartfileStatusRang() const;
 164
 165         // Barry - Added as replacement for BlockReceived to buffer data before writing to disk
 166         uint32  WriteToBuffer(uint32 transize, byte *data, uint64 start, uint64 end, Requested_Block_Struct *block, const CUpDownClient* client);
 167         void    FlushBuffer(bool fromAICHRecoveryDataAvailable = false);
 168
 169         // Barry - Is archive recovery in progress
 170         volatile bool m_bRecoveringArchive;
 171
 172         // Barry - Added to prevent list containing deleted blocks on shutdown
 173         void    RemoveAllRequestedBlocks(void);
 174
 175         void    RemoveBlockFromList(uint64 start,uint64 end);
 176         void    RemoveAllSources(bool bTryToSwap);
 177         void    Delete();
 178         void    StopFile(bool bCancel = false);
 179         void    PauseFile(bool bInsufficient = false);
 180         void    ResumeFile();
 181
 182         virtual CPacket* CreateSrcInfoPacket(const CUpDownClient* forClient, uint8 byRequestedVersion, uint16 nRequestedOptions);
 183         void    AddClientSources(CMemFile* sources, unsigned nSourceFrom, uint8 uClientSXVersion, bool bSourceExchange2, const CUpDownClient* pClient = NULL);
 184
 185         bool    PreviewAvailable();
 186         uint16  GetAvailablePartCount() const   { return m_availablePartsCount; }
 187         uint32  GetLastAnsweredTime() const     { return m_ClientSrcAnswered; }
 188         void    SetLastAnsweredTime();
 189         void    SetLastAnsweredTimeTimeout();
 190         uint64  GetLostDueToCorruption() const  { return m_iLostDueToCorruption; }
 191         uint64  GetGainDueToCompression() const { return m_iGainDueToCompression; }
 192         uint32  TotalPacketsSavedDueToICH()const{ return m_iTotalPacketsSavedDueToICH; }
 193         bool    IsStopped() const               { return this ? m_stopped : true; }
 194         bool    IsPaused() const                { return m_paused; }
 195         void    UpdateFileRatingCommentAvail();
 196
 197         int     GetCommonFilePenalty();
 198         void    UpdateDisplayedInfo(bool force = false);
 199
 200         uint8   GetCategory() const { return m_category; }
 201         void    SetCategory(uint8 cat);
 202         void    RemoveCategory(uint8 cat);
 203
 204         volatile bool m_bPreviewing;
 205         void    SetDownPriority(uint8 newDownPriority, bool bSave = true, bool bRefresh = true);
 206         bool    IsAutoDownPriority() const      { return m_bAutoDownPriority; }
 207         void    SetAutoDownPriority(bool flag)  { m_bAutoDownPriority = flag; }
 208         void    UpdateAutoDownPriority();
 209         uint8   GetDownPriority() const         { return m_iDownPriority; }
 210         void    SetActive(bool bActive);
 211         uint32  GetDlActiveTime() const;
 212         bool    GetInsufficient() const         { return m_insufficient; }
 213
 214         void    CompleteFileEnded(bool errorOccured, const CPath& newname);
 215
 216         bool    RemoveSource(CUpDownClient* toremove, bool updatewindow = true, bool bDoStatsUpdate = true);
 217
 218         void    RequestAICHRecovery(uint16 nPart);
 219         void    AICHRecoveryDataAvailable(uint16 nPart);
 220
 221         /**
 222          * This function is used to update source-counts.
 223          *
 224          * @param oldState The old state of the client, or -1 to ignore.
 225          * @param newState The new state of the client, or -1 to ignore.
 226          *
 227          * Call this function for a client belonging to this file, which has changed
 228          * its state. The value -1 can be used to make the function ignore one of
 229          * the two states.
 230          *
 231          * AddSource and DelSource takes care of calling this function when a source is
 232          * removed, so there's no need to call this function when calling either of those.
 233          */
 234         void    ClientStateChanged( int oldState, int newState );
 235
 236         bool    AddSource( CUpDownClient* client );
 237         bool    DelSource( CUpDownClient* client );
 238
 239         /**
 240          * Updates the requency of avilable parts from with the data the client provides.
 241          *
 242          * @param client The clients whoose available parts should be considered.
 243          * @param increment If true, the counts are incremented, otherwise they are decremented.
 244          *
 245          * This functions updates the frequency list of file-parts, using the clients
 246          * parts-status. This function should be called by clients every time they update their
 247          * parts-status, or when they are added or removed from the file.
 248          */
 249         void    UpdatePartsFrequency( CUpDownClient* client, bool increment );
 250
 251         ArrayOfUInts16  m_SrcpartFrequency;
 252
 253         const SourceSet& GetSourceList()        const { return m_SrcList; }
 254         const SourceSet& GetA4AFList()          const { return m_A4AFsrclist; }
 255         void    ClearA4AFList()                         { m_A4AFsrclist.clear(); }
 256
 257         const CReqBlockPtrList  GetRequestedBlockList() const { return m_requestedblocks_list; }
 258
 259         const CGapList& GetGapList() const { return m_gaplist; }
 260
 261         /**
 262          * Adds a source to the list of dead sources.
 263          *
 264          * @param client The source to be recorded as dead for this file.
 265          */
 266         void            AddDeadSource(const CUpDownClient* client);
 267
 268         /**
 269          * Checks if a source is recorded as being dead for this file.
 270          *
 271          * @param client The client to evaluate.
 272          * @return True if dead, false otherwise.
 273          *
 274          * Sources that are dead are not to be considered valid
 275          * sources and should not be added to the partfile.
 276          */
 277         bool            IsDeadSource(const CUpDownClient* client);
 278
 279         /* Kad Stuff */
 280         uint16  GetMaxSources() const;
 281         uint16  GetMaxSourcePerFileSoft() const;
 282         uint16  GetMaxSourcePerFileUDP() const;
 283
 284         void GetRatingAndComments(FileRatingList & list) const;
 285
 286         void    AllocationFinished();
 287 private:
 288 #ifndef CLIENT_GUI
 289         // partfile handle (opened on demand)
 290         CFileAutoClose  m_hpartfile;
 291         //! A local list of sources that are invalid for this file.
 292         CDeadSourceList m_deadSources;
 293
 294         class CCorruptionBlackBox* m_CorruptionBlackBox;
 295 #endif
 296
 297         uint16  m_notCurrentSources;
 298
 299         uint32  m_validSources;
 300
 301         void    AddGap(uint64 start, uint64 end);
 302         void    AddGap(uint16 part);
 303         void    FillGap(uint64 start, uint64 end);
 304         void    FillGap(uint16 part);
 305         bool    GetNextEmptyBlockInPart(uint16 partnumber,Requested_Block_Struct* result);
 306         bool    IsAlreadyRequested(uint64 start, uint64 end);
 307         void    CompleteFile(bool hashingdone);
 308         void    CreatePartFile();
 309         void    Init();
 310
 311         bool    CheckFreeDiskSpace( uint64 neededSpace = 0 );
 312
 313         bool    IsCorruptedPart(uint16 partnumber);
 314
 315         uint32  m_iLastPausePurge;
 316         uint16  m_count;
 317         uint16  transferingsrc;
 318         uint64  completedsize;
 319         uint64  transferred;
 320
 321         uint64  m_iLostDueToCorruption;
 322         uint64  m_iGainDueToCompression;
 323         uint32  m_iTotalPacketsSavedDueToICH;
 324         float   kBpsDown;
 325         CPath   m_fullname;                     // path/name of the met file
 326         CPath   m_partmetfilename;      // name of the met file
 327         CPath   m_PartPath;             // path/name of the partfile
 328         bool    m_paused;
 329         bool    m_stopped;
 330         bool    m_insufficient;
 331         uint8   m_iDownPriority;
 332         bool    m_bAutoDownPriority;
 333         uint8   status;
 334         uint32  lastpurgetime;
 335         uint32  m_LastNoNeededCheck;
 336         CGapList m_gaplist;
 337         CReqBlockPtrList m_requestedblocks_list;
 338         double  percentcompleted;
 339         std::list<uint16> m_corrupted_list;
 340         uint16  m_availablePartsCount;
 341         uint32  m_ClientSrcAnswered;
 342         bool    m_bPercentUpdated;
 343
 344         void    PerformFileComplete();
 345
 346         uint32          m_lastRefreshedDLDisplay;
 347
 348         // Buffered data to be written
 349         std::list<class PartFileBufferedData*> m_BufferedData_list;
 350
 351         uint32 m_nTotalBufferData;
 352         uint32 m_nLastBufferFlushTime;
 353
 354         uint8   m_category;
 355         uint32  m_nDlActiveTime;
 356         time_t  m_tActivated;
 357         bool    m_is_A4AF_auto;
 358
 359         SourceSet       m_SrcList;
 360         SourceSet       m_A4AFsrclist;
 361         bool            m_hashsetneeded;
 362         uint32          m_lastsearchtime;
 363         bool            m_localSrcReqQueued;
 364
 365 #ifdef CLIENT_GUI
 366         FileRatingList m_FileRatingList;
 367         const FileRatingList &GetFileRatingList() { return m_FileRatingList; }
 368         void ClearFileRatingList() { m_FileRatingList.clear(); }
 369         void AddFileRatingList(const wxString & u, const wxString & f, sint16 r, const wxString & c) {
 370                m_FileRatingList.push_back(SFileRating(u, f, r, c)); }
 371
 372         uint32  m_kbpsDown;
 373         uint8   m_iDownPriorityEC;
 374         bool    m_isShared;
 375         SourcenameItemMap m_SourcenameItemMap;
 376
 377         ListOfUInts32   m_A4AFClientIDs;
 378         ListOfUInts32 & GetA4AFClientIDs()                      { return m_A4AFClientIDs; }
 379 public:
 380         bool    IsShared() const                                        { return m_isShared; }
 381         SourcenameItemMap &GetSourcenameItemMap()       { return m_SourcenameItemMap; }
 382         PartFileEncoderData m_PartFileEncoderData;
 383 #endif
 384 public:
 385         bool IsHashSetNeeded() const                            { return m_hashsetneeded; }
 386         void SetHashSetNeeded(bool value)                       { m_hashsetneeded = value; }
 387
 388         uint64  GetCompletedSize() const                        { return completedsize; }
 389         void    SetCompletedSize(uint64 size)           { completedsize = size; }
 390
 391         bool IsLocalSrcRequestQueued() const            { return m_localSrcReqQueued; }
 392         void SetLocalSrcRequestQueued(bool value)       { m_localSrcReqQueued = value; }
 393
 394         void AddA4AFSource(CUpDownClient* src)          { m_A4AFsrclist.insert(CCLIENTREF(src, wxT("A4AFSource"))); }
 395         bool RemoveA4AFSource(CUpDownClient* src)       { return (m_A4AFsrclist.erase(CCLIENTREF(src, wxEmptyString)) > 0); }
 396
 397         uint32 GetLastSearchTime() const                        { return m_lastsearchtime; }
 398         void SetLastSearchTime(uint32 time)                     { m_lastsearchtime = time; }
 399
 400 //      void CleanUpSources( bool noNeeded, bool fullQueue = false, bool highQueue = false );
 401
 402         void AddDownloadingSource(CUpDownClient* client);
 403
 404         void RemoveDownloadingSource(CUpDownClient* client);
 405         void SetStatus(uint8 in);
 406         void StopPausedFile();
 407
 408         // [sivka / Tarod] Imported from eMule 0.30c (Creteil) ...
 409         void SetA4AFAuto(bool in)               { m_is_A4AF_auto = in; }
 410         bool IsA4AFAuto() const                 { return m_is_A4AF_auto; }
 411
 412         // Kry -Sources seeds
 413         void SaveSourceSeeds();
 414         void LoadSourceSeeds();
 415
 416         // Dropping slow sources
 417         CUpDownClient* GetSlowerDownloadingClient(uint32 speed, CUpDownClient* caller);
 418
 419   // Read data for sharing
 420         bool ReadData(class CFileArea & area, uint64 offset, uint32 toread);
 421
 422 private:
 423         /* downloading sources list */
 424         CClientRefList m_downloadingSourcesList;
 425
 426         /* Kad Stuff */
 427         uint32  m_LastSearchTimeKad;
 428         uint8   m_TotalSearchesKad;
 429
 430 friend class CKnownFilesRem;
 431 friend class CPartFileConvert;
 432 };
 433
 434 #endif // PARTFILE_H
 435 // File_checked_for_headers