src/PartFile.h

   1 //
   2 // This file is part of the aMule Project.
   3 //
   4 // Copyright (c) 2003-2008 aMule Team ( admin@amule.org / http://www.amule.org )
   5 // Copyright (c) 2002-2008 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         bool    CreateFromFile(wxString WXUNUSED(directory), wxString WXUNUSED(filename), void* WXUNUSED(pvProgressParam)) {return false;}// not supported in this class
 104         virtual bool LoadFromFile(const CFileDataIO* WXUNUSED(file)) { return false; }
 105         bool    WriteToFile(CFileDataIO* WXUNUSED(file))        { return false; }
 106
 107         // virtual functions for CKnownFile and CPartFile:
 108         bool    IsPartFile() const              { return status != PS_COMPLETE; }       // true if not completed
 109         bool    IsCompleted() const             { return status == PS_COMPLETE; }       // true if completed
 110         bool    IsCPartFile() const             { return true; }                                        // true if it's a CPartFile
 111
 112         uint32  Process(uint32 reducedownload, uint8 m_icounter);
 113         uint8   LoadPartFile(const CPath& in_directory, const CPath& filename, bool from_backup = false, bool getsizeonly = false);
 114         bool    SavePartFile(bool Initial = false);
 115         void    PartFileHashFinished(CKnownFile* result);
 116         bool    HashSinglePart(uint16 partnumber); // true = ok , false = corrupted
 117
 118         bool    CheckShowItemInGivenCat(int inCategory);
 119
 120         bool    IsComplete(uint64 start, uint64 end)    { return m_gaplist.IsComplete(start, end); }
 121         bool    IsComplete(uint16 part)                 { return m_gaplist.IsComplete(part); }
 122
 123         void    UpdateCompletedInfos();
 124
 125         bool    GetNextRequestedBlock(CUpDownClient* sender, std::vector<Requested_Block_Struct*>& toadd, uint16& count);
 126         void    WritePartStatus(CMemFile* file);
 127         void    WriteCompleteSourcesCount(CMemFile* file);
 128         static bool     CanAddSource(uint32 userid, uint16 port, uint32 serverip, uint16 serverport, uint8* pdebug_lowiddropped = NULL, bool ed2kID = true);
 129         void    AddSources(CMemFile& sources, uint32 serverip, uint16 serverport, unsigned origin, bool bWithObfuscationAndHash);
 130 #ifdef CLIENT_GUI
 131         uint8   GetStatus() const { return status; }
 132         uint8   GetStatus(bool /*ignorepause = false*/) const { return status; }
 133 #else
 134         uint8   GetStatus(bool ignorepause = false) const;
 135 #endif
 136         virtual void    UpdatePartsInfo();
 137         const CPath& GetPartMetFileName() const { return m_partmetfilename; }
 138         uint16  GetPartMetNumber() const;
 139         uint64  GetTransferred() const          { return transferred; }
 140         const CPath& GetFullName() const        { return m_fullname; }
 141         float   GetKBpsDown() const                     { return kBpsDown; }
 142         double  GetPercentCompleted() const     { return percentcompleted; }
 143
 144 #ifndef CLIENT_GUI
 145         uint16  GetSourceCount() const          { return (uint16)m_SrcList.size(); }
 146         uint16  GetSrcA4AFCount() const         { return (uint16)m_A4AFsrclist.size(); }
 147 #else
 148         uint16  m_source_count, m_a4af_source_count;
 149         uint16  GetSourceCount() const          { return m_source_count; }
 150         uint16  GetSrcA4AFCount() const         { return m_a4af_source_count; }
 151 #endif
 152         uint16  GetTransferingSrcCount() const  { return transferingsrc; }
 153         uint16  GetNotCurrentSourcesCount()     const   { return m_notCurrentSources; };
 154         //void  SetNotCurrentSourcesCount(uint16 new_count)     { m_notCurrentSources = new_count; };
 155         uint16  GetValidSourcesCount() const    { return m_validSources; };
 156
 157         uint64  GetNeededSpace();
 158
 159         virtual wxString GetFeedback() const;
 160
 161         wxString getPartfileStatus() const; //<<--9/21/02
 162         sint32  getTimeRemaining() const; //<<--9/21/02
 163         time_t  lastseencomplete;
 164         int     getPartfileStatusRang() const;
 165
 166         // Barry - Added as replacement for BlockReceived to buffer data before writing to disk
 167         uint32  WriteToBuffer(uint32 transize, byte *data, uint64 start, uint64 end, Requested_Block_Struct *block, const CUpDownClient* client);
 168         void    FlushBuffer(bool fromAICHRecoveryDataAvailable = false);
 169
 170         // Barry - Is archive recovery in progress
 171         volatile bool m_bRecoveringArchive;
 172
 173         // Barry - Added to prevent list containing deleted blocks on shutdown
 174         void    RemoveAllRequestedBlocks(void);
 175
 176         void    RemoveBlockFromList(uint64 start,uint64 end);
 177         void    RemoveAllSources(bool bTryToSwap);
 178         void    Delete();
 179         void    StopFile(bool bCancel = false);
 180         void    PauseFile(bool bInsufficient = false);
 181         void    ResumeFile();
 182
 183         virtual CPacket* CreateSrcInfoPacket(const CUpDownClient* forClient, uint8 byRequestedVersion, uint16 nRequestedOptions);
 184         void    AddClientSources(CMemFile* sources, unsigned nSourceFrom, uint8 uClientSXVersion, bool bSourceExchange2, const CUpDownClient* pClient = NULL);
 185
 186         bool    PreviewAvailable();
 187         uint16  GetAvailablePartCount() const   { return m_availablePartsCount; }
 188         uint32  GetLastAnsweredTime() const     { return m_ClientSrcAnswered; }
 189         void    SetLastAnsweredTime();
 190         void    SetLastAnsweredTimeTimeout();
 191         uint64  GetLostDueToCorruption() const  { return m_iLostDueToCorruption; }
 192         uint64  GetGainDueToCompression() const { return m_iGainDueToCompression; }
 193         uint32  TotalPacketsSavedDueToICH()const{ return m_iTotalPacketsSavedDueToICH; }
 194         bool    IsStopped() const               { return this ? m_stopped : true; }
 195         bool    IsPaused() const                { return m_paused; }
 196         void    UpdateFileRatingCommentAvail();
 197
 198         int     GetCommonFilePenalty();
 199         void    UpdateDisplayedInfo(bool force = false);
 200
 201         uint8   GetCategory() const { return m_category; }
 202         void    SetCategory(uint8 cat);
 203         void    RemoveCategory(uint8 cat);
 204
 205         volatile bool m_bPreviewing;
 206         void    SetDownPriority(uint8 newDownPriority, bool bSave = true, bool bRefresh = true);
 207         bool    IsAutoDownPriority() const      { return m_bAutoDownPriority; }
 208         void    SetAutoDownPriority(bool flag)  { m_bAutoDownPriority = flag; }
 209         void    UpdateAutoDownPriority();
 210         uint8   GetDownPriority() const         { return m_iDownPriority; }
 211         void    SetActive(bool bActive);
 212         uint32  GetDlActiveTime() const;
 213         bool    GetInsufficient() const         { return m_insufficient; }
 214
 215         void    CompleteFileEnded(bool errorOccured, const CPath& newname);
 216
 217         bool    RemoveSource(CUpDownClient* toremove, bool updatewindow = true, bool bDoStatsUpdate = true);
 218
 219         void    RequestAICHRecovery(uint16 nPart);
 220         void    AICHRecoveryDataAvailable(uint16 nPart);
 221
 222         /**
 223          * This function is used to update source-counts.
 224          *
 225          * @param oldState The old state of the client, or -1 to ignore.
 226          * @param newState The new state of the client, or -1 to ignore.
 227          *
 228          * Call this function for a client belonging to this file, which has changed
 229          * its state. The value -1 can be used to make the function ignore one of
 230          * the two states.
 231          *
 232          * AddSource and DelSource takes care of calling this function when a source is
 233          * removed, so there's no need to call this function when calling either of those.
 234          */
 235         void    ClientStateChanged( int oldState, int newState );
 236
 237         bool    AddSource( CUpDownClient* client );
 238         bool    DelSource( CUpDownClient* client );
 239
 240         /**
 241          * Updates the requency of avilable parts from with the data the client provides.
 242          *
 243          * @param client The clients whoose available parts should be considered.
 244          * @param increment If true, the counts are incremented, otherwise they are decremented.
 245          *
 246          * This functions updates the frequency list of file-parts, using the clients
 247          * parts-status. This function should be called by clients every time they update their
 248          * parts-status, or when they are added or removed from the file.
 249          */
 250         void    UpdatePartsFrequency( CUpDownClient* client, bool increment );
 251
 252         ArrayOfUInts16  m_SrcpartFrequency;
 253
 254         const SourceSet& GetSourceList()        const { return m_SrcList; }
 255         const SourceSet& GetA4AFList()          const { return m_A4AFsrclist; }
 256         void    ClearA4AFList()                         { m_A4AFsrclist.clear(); }
 257
 258         const CReqBlockPtrList  GetRequestedBlockList() const { return m_requestedblocks_list; }
 259
 260         const CGapList& GetGapList() const { return m_gaplist; }
 261
 262         /**
 263          * Adds a source to the list of dead sources.
 264          *
 265          * @param client The source to be recorded as dead for this file.
 266          */
 267         void            AddDeadSource(const CUpDownClient* client);
 268
 269         /**
 270          * Checks if a source is recorded as being dead for this file.
 271          *
 272          * @param client The client to evaluate.
 273          * @return True if dead, false otherwise.
 274          *
 275          * Sources that are dead are not to be considered valid
 276          * sources and should not be added to the partfile.
 277          */
 278         bool            IsDeadSource(const CUpDownClient* client);
 279
 280         /* Kad Stuff */
 281         uint16  GetMaxSources() const;
 282         uint16  GetMaxSourcePerFileSoft() const;
 283         uint16  GetMaxSourcePerFileUDP() const;
 284
 285         void GetRatingAndComments(FileRatingList & list) const;
 286
 287         void    AllocationFinished();
 288 private:
 289 #ifndef CLIENT_GUI
 290         // partfile handle (opened on demand)
 291         CFileAutoClose  m_hpartfile;
 292         //! A local list of sources that are invalid for this file.
 293         CDeadSourceList m_deadSources;
 294
 295         class CCorruptionBlackBox* m_CorruptionBlackBox;
 296 #endif
 297
 298         uint16  m_notCurrentSources;
 299
 300         uint32  m_validSources;
 301
 302         void    AddGap(uint64 start, uint64 end);
 303         void    AddGap(uint16 part);
 304         void    FillGap(uint64 start, uint64 end);
 305         void    FillGap(uint16 part);
 306         bool    GetNextEmptyBlockInPart(uint16 partnumber,Requested_Block_Struct* result);
 307         bool    IsAlreadyRequested(uint64 start, uint64 end);
 308         void    CompleteFile(bool hashingdone);
 309         void    CreatePartFile();
 310         void    Init();
 311
 312         bool    CheckFreeDiskSpace( uint64 neededSpace = 0 );
 313
 314         bool    IsCorruptedPart(uint16 partnumber);
 315
 316         uint32  m_iLastPausePurge;
 317         uint16  m_count;
 318         uint16  transferingsrc;
 319         uint64  completedsize;
 320         uint64  transferred;
 321
 322         uint64  m_iLostDueToCorruption;
 323         uint64  m_iGainDueToCompression;
 324         uint32  m_iTotalPacketsSavedDueToICH;
 325         float   kBpsDown;
 326         CPath   m_fullname;                     // path/name of the met file
 327         CPath   m_partmetfilename;      // name of the met file
 328         CPath   m_PartPath;             // path/name of the partfile
 329         bool    m_paused;
 330         bool    m_stopped;
 331         bool    m_insufficient;
 332         uint8   m_iDownPriority;
 333         bool    m_bAutoDownPriority;
 334         uint8   status;
 335         uint32  lastpurgetime;
 336         uint32  m_LastNoNeededCheck;
 337         CGapList m_gaplist;
 338         CReqBlockPtrList m_requestedblocks_list;
 339         double  percentcompleted;
 340         std::list<uint16> m_corrupted_list;
 341         uint16  m_availablePartsCount;
 342         uint32  m_ClientSrcAnswered;
 343         bool    m_bPercentUpdated;
 344
 345         void    PerformFileComplete();
 346
 347         uint32          m_lastRefreshedDLDisplay;
 348
 349         // Buffered data to be written
 350         std::list<class PartFileBufferedData*> m_BufferedData_list;
 351
 352         uint32 m_nTotalBufferData;
 353         uint32 m_nLastBufferFlushTime;
 354
 355         uint8   m_category;
 356         uint32  m_nDlActiveTime;
 357         time_t  m_tActivated;
 358         bool    m_is_A4AF_auto;
 359
 360         SourceSet       m_SrcList;
 361         SourceSet       m_A4AFsrclist;
 362         bool            m_hashsetneeded;
 363         uint32          m_lastsearchtime;
 364         bool            m_localSrcReqQueued;
 365
 366 #ifdef CLIENT_GUI
 367         FileRatingList m_FileRatingList;
 368         const FileRatingList &GetFileRatingList() { return m_FileRatingList; }
 369         void ClearFileRatingList() { m_FileRatingList.clear(); }
 370         void AddFileRatingList(const wxString & u, const wxString & f, sint16 r, const wxString & c) {
 371                m_FileRatingList.push_back(SFileRating(u, f, r, c)); }
 372
 373         uint32  m_kbpsDown;
 374         uint8   m_iDownPriorityEC;
 375         bool    m_isShared;
 376         SourcenameItemMap m_SourcenameItemMap;
 377
 378         ListOfUInts32   m_A4AFClientIDs;
 379         ListOfUInts32 & GetA4AFClientIDs()                      { return m_A4AFClientIDs; }
 380 public:
 381         bool    IsShared() const                                        { return m_isShared; }
 382         SourcenameItemMap &GetSourcenameItemMap()       { return m_SourcenameItemMap; }
 383         PartFileEncoderData m_PartFileEncoderData;
 384 #endif
 385 public:
 386         bool IsHashSetNeeded() const                            { return m_hashsetneeded; }
 387         void SetHashSetNeeded(bool value)                       { m_hashsetneeded = value; }
 388
 389         uint64  GetCompletedSize() const                        { return completedsize; }
 390         void    SetCompletedSize(uint64 size)           { completedsize = size; }
 391
 392         bool IsLocalSrcRequestQueued() const            { return m_localSrcReqQueued; }
 393         void SetLocalSrcRequestQueued(bool value)       { m_localSrcReqQueued = value; }
 394
 395         void AddA4AFSource(CUpDownClient* src)          { m_A4AFsrclist.insert(CCLIENTREF(src, wxT("A4AFSource"))); }
 396         bool RemoveA4AFSource(CUpDownClient* src)       { return (m_A4AFsrclist.erase(CCLIENTREF(src, wxEmptyString)) > 0); }
 397
 398         uint32 GetLastSearchTime() const                        { return m_lastsearchtime; }
 399         void SetLastSearchTime(uint32 time)                     { m_lastsearchtime = time; }
 400
 401 //      void CleanUpSources( bool noNeeded, bool fullQueue = false, bool highQueue = false );
 402
 403         void AddDownloadingSource(CUpDownClient* client);
 404
 405         void RemoveDownloadingSource(CUpDownClient* client);
 406         void SetStatus(uint8 in);
 407         void StopPausedFile();
 408
 409         // [sivka / Tarod] Imported from eMule 0.30c (Creteil) ...
 410         void SetA4AFAuto(bool in)               { m_is_A4AF_auto = in; }
 411         bool IsA4AFAuto() const                 { return m_is_A4AF_auto; }
 412
 413         // Kry -Sources seeds
 414         void SaveSourceSeeds();
 415         void LoadSourceSeeds();
 416
 417         // Dropping slow sources
 418         CUpDownClient* GetSlowerDownloadingClient(uint32 speed, CUpDownClient* caller);
 419
 420   // Read data for sharing
 421         bool ReadData(class CFileArea & area, uint64 offset, uint32 toread);
 422
 423 private:
 424         /* downloading sources list */
 425         CClientRefList m_downloadingSourcesList;
 426
 427         /* Kad Stuff */
 428         uint32  m_LastSearchTimeKad;
 429         uint8   m_TotalSearchesKad;
 430
 431 friend class CKnownFilesRem;
 432 friend class CPartFileConvert;
 433 };
 434
 435 #endif // PARTFILE_H
 436 // File_checked_for_headers