src/KnownFile.cpp

   1 //
   2 // This file is part of the aMule Project.
   3 //
   4 // Parts of this file are based on work from pan One (http://home-3.tiscali.nl/~meost/pms/)
   5 //
   6 // Copyright (c) 2003-2011 aMule Team ( admin@amule.org / http://www.amule.org )
   7 // Copyright (c) 2002-2011 Merkur ( devs@emule-project.net / http://www.emule-project.net )
   8 //
   9 // Any parts of this program derived from the xMule, lMule or eMule project,
  10 // or contributed by third-party developers are copyrighted by their
  11 // respective authors.
  12 //
  13 // This program is free software; you can redistribute it and/or modify
  14 // it under the terms of the GNU General Public License as published by
  15 // the Free Software Foundation; either version 2 of the License, or
  16 // (at your option) any later version.
  17 //
  18 // This program is distributed in the hope that it will be useful,
  19 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 // GNU General Public License for more details.
  22 //
  23 // You should have received a copy of the GNU General Public License
  24 // along with this program; if not, write to the Free Software
  25 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  26 //
  27
  28
  29 #include "KnownFile.h"          // Do_not_auto_remove
  30
  31 #include <protocol/kad/Constants.h>
  32 #include <protocol/ed2k/Client2Client/TCP.h>
  33 #include <protocol/ed2k/ClientSoftware.h>
  34 #include <protocol/Protocols.h>
  35 #include <tags/FileTags.h>
  36
  37 #include <wx/config.h>
  38
  39 #ifdef CLIENT_GUI
  40 #include "UpDownClientEC.h"     // Needed for CUpDownClient
  41 #else
  42 #include "updownclient.h"       // Needed for CUpDownClient
  43 #endif
  44
  45 #include "MemFile.h"            // Needed for CMemFile
  46 #include "Packet.h"             // Needed for CPacket
  47 #include "Preferences.h"        // Needed for CPreferences
  48 #include "KnownFileList.h"      // Needed for CKnownFileList
  49 #include "amule.h"              // Needed for theApp
  50 #include "PartFile.h"           // Needed for SavePartFile
  51 #include "ClientList.h" // Needed for clientlist (buddy support)
  52 #include "Logger.h"
  53 #include "ScopedPtr.h"          // Needed for CScopedArray and CScopedPtr
  54 #include "GuiEvents.h"          // Needed for Notify_*
  55 #include "SearchFile.h"         // Needed for CSearchFile
  56 #include "FileArea.h"           // Needed for CFileArea
  57 #include "FileAutoClose.h"      // Needed for CFileAutoClose
  58 #include "Server.h"                     // Needed for CServer
  59
  60 #include "CryptoPP_Inc.h"       // Needed for MD4
  61
  62 #include <common/Format.h>
  63
  64 CFileStatistic::CFileStatistic() :
  65         requested(0),
  66         transferred(0),
  67         accepted(0),
  68         alltimerequested(0),
  69         alltimetransferred(0),
  70         alltimeaccepted(0)
  71 {
  72 }
  73
  74 #ifndef CLIENT_GUI
  75
  76 void CFileStatistic::AddRequest(){
  77         requested++;
  78         alltimerequested++;
  79         theApp->knownfiles->requested++;
  80         theApp->sharedfiles->UpdateItem(fileParent);
  81 }
  82
  83 void CFileStatistic::AddAccepted(){
  84         accepted++;
  85         alltimeaccepted++;
  86         theApp->knownfiles->accepted++;
  87         theApp->sharedfiles->UpdateItem(fileParent);
  88 }
  89
  90 void CFileStatistic::AddTransferred(uint64 bytes){
  91         transferred += bytes;
  92         alltimetransferred += bytes;
  93         theApp->knownfiles->transferred += bytes;
  94         theApp->sharedfiles->UpdateItem(fileParent);
  95 }
  96
  97 #endif // CLIENT_GUI
  98
  99
 100 /* Abstract File (base class)*/
 101
 102 CAbstractFile::CAbstractFile()
 103 :
 104 m_iRating(0),
 105 m_hasComment(false),
 106 m_iUserRating(0),
 107 m_nFileSize(0)
 108 {
 109 }
 110
 111
 112 CAbstractFile::CAbstractFile(const CAbstractFile& other)
 113 :
 114 m_abyFileHash(other.m_abyFileHash),
 115 m_strComment(other.m_strComment),
 116 m_iRating(other.m_iRating),
 117 m_hasComment(other.m_hasComment),
 118 m_iUserRating(other.m_iUserRating),
 119 m_taglist(other.m_taglist),
 120 m_nFileSize(other.m_nFileSize),
 121 m_fileName(other.m_fileName)
 122 {
 123 /* // TODO: Currently it's not safe to duplicate the entries, but isn't needed either.
 124         CKadEntryPtrList::const_iterator it = other.m_kadNotes.begin();
 125         for (; it != other.m_kadNotes.end(); ++it) {
 126                 m_kadNotes.push_back(new Kademlia::CEntry(**it));
 127         }
 128 */
 129 }
 130
 131
 132 void CAbstractFile::SetFileName(const CPath& fileName)
 133 {
 134         m_fileName = fileName;
 135 }
 136
 137 uint32 CAbstractFile::GetIntTagValue(uint8 tagname) const
 138 {
 139         ArrayOfCTag::const_iterator it = m_taglist.begin();
 140         for (; it != m_taglist.end(); ++it){
 141                 if (((*it).GetNameID() == tagname) && (*it).IsInt()) {
 142                         return (*it).GetInt();
 143                 }
 144         }
 145         return 0;
 146 }
 147
 148 bool CAbstractFile::GetIntTagValue(uint8 tagname, uint32& ruValue) const
 149 {
 150         ArrayOfCTag::const_iterator it = m_taglist.begin();
 151         for (; it != m_taglist.end(); ++it){
 152                 if (((*it).GetNameID() == tagname) && (*it).IsInt()){
 153                         ruValue = (*it).GetInt();
 154                         return true;
 155                 }
 156         }
 157         return false;
 158 }
 159
 160 uint32 CAbstractFile::GetIntTagValue(const wxString& tagname) const
 161 {
 162         ArrayOfCTag::const_iterator it = m_taglist.begin();
 163         for (; it != m_taglist.end(); ++it){
 164                 if ((*it).IsInt() && ((*it).GetName() == tagname)) {
 165                         return (*it).GetInt();
 166                 }
 167         }
 168         return 0;
 169 }
 170
 171 const wxString& CAbstractFile::GetStrTagValue(uint8 tagname) const
 172 {
 173         ArrayOfCTag::const_iterator it = m_taglist.begin();
 174         for (; it != m_taglist.end(); ++it){
 175                 if ((*it).GetNameID() == tagname && (*it).IsStr()) {
 176                         return (*it).GetStr();
 177                 }
 178         }
 179         return EmptyString;
 180 }
 181
 182 const wxString& CAbstractFile::GetStrTagValue(const wxString& tagname) const
 183 {
 184         ArrayOfCTag::const_iterator it = m_taglist.begin();
 185         for (; it != m_taglist.end(); ++it){
 186                 if ((*it).IsStr() && ((*it).GetName() == tagname)) {
 187                         return (*it).GetStr();
 188                 }
 189         }
 190         return EmptyString;
 191 }
 192
 193 const CTag *CAbstractFile::GetTag(uint8 tagname, uint8 tagtype) const
 194 {
 195         ArrayOfCTag::const_iterator it = m_taglist.begin();
 196         for (; it != m_taglist.end(); ++it){
 197                 if ((*it).GetNameID() == tagname && (*it).GetType() == tagtype) {
 198                         return &(*it);
 199                 }
 200         }
 201         return NULL;
 202 }
 203
 204 const CTag *CAbstractFile::GetTag(const wxString& tagname, uint8 tagtype) const
 205 {
 206         ArrayOfCTag::const_iterator it = m_taglist.begin();
 207         for (; it != m_taglist.end(); ++it){
 208                 if ((*it).GetType() == tagtype && (*it).GetName() == tagname) {
 209                         return &(*it);
 210                 }
 211         }
 212         return NULL;
 213 }
 214
 215 const CTag *CAbstractFile::GetTag(uint8 tagname) const
 216 {
 217         ArrayOfCTag::const_iterator it = m_taglist.begin();
 218         for (; it != m_taglist.end(); ++it){
 219                 if ((*it).GetNameID() == tagname) {
 220                         return &(*it);
 221                 }
 222         }
 223         return NULL;
 224 }
 225
 226 const CTag *CAbstractFile::GetTag(const wxString& tagname) const
 227 {
 228         ArrayOfCTag::const_iterator it = m_taglist.begin();
 229         for (; it != m_taglist.end(); ++it){
 230                 if ((*it).GetName() == tagname) {
 231                         return &(*it);
 232                 }
 233         }
 234         return NULL;
 235 }
 236
 237 void CAbstractFile::AddTagUnique(const CTag &rTag)
 238 {
 239         ArrayOfCTag::iterator it = m_taglist.begin();
 240         for (; it != m_taglist.end(); ++it) {
 241                 if ( ( ((*it).GetNameID() != 0 &&
 242                         (*it).GetNameID() == rTag.GetNameID()) ||
 243                        (!(*it).GetName().IsEmpty() &&
 244                         !rTag.GetName().IsEmpty() &&
 245                         (*it).GetName() == rTag.GetName()) ) &&
 246                      (*it).GetType() == rTag.GetType()){
 247                         m_taglist.erase(it);
 248                         m_taglist.insert(it, rTag);
 249                         return;
 250                 }
 251         }
 252         m_taglist.push_back(rTag);
 253 }
 254
 255 #ifndef CLIENT_GUI
 256 void CAbstractFile::AddNote(Kademlia::CEntry *pEntry)
 257 {
 258         CKadEntryPtrList::iterator it = m_kadNotes.begin();
 259         for (; it != m_kadNotes.end(); ++it) {
 260                 Kademlia::CEntry* entry = *it;
 261                 if(entry->m_uIP == pEntry->m_uIP || entry->m_uSourceID == pEntry->m_uSourceID) {
 262                         delete pEntry;
 263                         return;
 264                 }
 265         }
 266         m_kadNotes.push_front(pEntry);
 267 }
 268 #else
 269 void CAbstractFile::AddNote(Kademlia::CEntry *)
 270 {
 271 }
 272 #endif
 273
 274
 275 /* Known File */
 276
 277 CKnownFile::CKnownFile()
 278 {
 279         Init();
 280 }
 281
 282 CKnownFile::CKnownFile(uint32 ecid) : CECID(ecid)
 283 {
 284         Init();
 285 }
 286
 287
 288 //#warning Experimental: Construct a CKnownFile from a CSearchFile
 289 CKnownFile::CKnownFile(const CSearchFile &searchFile)
 290 :
 291 // This will copy the file hash
 292 CAbstractFile(static_cast<const CAbstractFile &>(searchFile))
 293 {
 294         Init();
 295
 296         // Use CKnownFile::SetFileName()
 297         SetFileName(searchFile.GetFileName());
 298
 299         // Use CKnownFile::SetFileSize()
 300         SetFileSize(searchFile.GetFileSize());
 301 }
 302
 303
 304 void CKnownFile::Init()
 305 {
 306         m_showSources = false;
 307         m_showPeers = false;
 308         m_nCompleteSourcesTime = time(NULL);
 309         m_nCompleteSourcesCount = 0;
 310         m_nCompleteSourcesCountLo = 0;
 311         m_nCompleteSourcesCountHi = 0;
 312         m_bCommentLoaded = false;
 313         m_iPartCount = 0;
 314         m_iED2KPartCount = 0;
 315         m_iED2KPartHashCount = 0;
 316         m_PublishedED2K = false;
 317         kadFileSearchID = 0;
 318         m_lastPublishTimeKadSrc = 0;
 319         m_lastPublishTimeKadNotes = 0;
 320         m_lastBuddyIP = 0;
 321         m_lastDateChanged = 0;
 322         m_bAutoUpPriority = thePrefs::GetNewAutoUp();
 323         m_iUpPriority = ( m_bAutoUpPriority ) ? PR_HIGH : PR_NORMAL;
 324         m_hashingProgress = 0;
 325
 326         statistic.fileParent = this;
 327
 328 #ifndef CLIENT_GUI
 329         m_pAICHHashSet = new CAICHHashSet(this);
 330 #endif
 331 }
 332
 333
 334 void CKnownFile::SetFileSize(uint64 nFileSize)
 335 {
 336         CAbstractFile::SetFileSize(nFileSize);
 337 #ifndef CLIENT_GUI
 338         m_pAICHHashSet->SetFileSize(nFileSize);
 339 #endif
 340
 341         // Examples of parthashs, hashsets and filehashs for different filesizes
 342         // according the ed2k protocol
 343         //----------------------------------------------------------------------
 344         //
 345         //File size: 3 bytes
 346         //File hash: 2D55E87D0E21F49B9AD25F98531F3724
 347         //Nr. hashs: 0
 348         //
 349         //
 350         //File size: 1*PARTSIZE
 351         //File hash: A72CA8DF7F07154E217C236C89C17619
 352         //Nr. hashs: 2
 353         //Hash[  0]: 4891ED2E5C9C49F442145A3A5F608299
 354         //Hash[  1]: 31D6CFE0D16AE931B73C59D7E0C089C0   *special part hash*
 355         //
 356         //
 357         //File size: 1*PARTSIZE + 1 byte
 358         //File hash: 2F620AE9D462CBB6A59FE8401D2B3D23
 359         //Nr. hashs: 2
 360         //Hash[  0]: 121795F0BEDE02DDC7C5426D0995F53F
 361         //Hash[  1]: C329E527945B8FE75B3C5E8826755747
 362         //
 363         //
 364         //File size: 2*PARTSIZE
 365         //File hash: A54C5E562D5E03CA7D77961EB9A745A4
 366         //Nr. hashs: 3
 367         //Hash[  0]: B3F5CE2A06BF403BFB9BFFF68BDDC4D9
 368         //Hash[  1]: 509AA30C9EA8FC136B1159DF2F35B8A9
 369         //Hash[  2]: 31D6CFE0D16AE931B73C59D7E0C089C0   *special part hash*
 370         //
 371         //
 372         //File size: 3*PARTSIZE
 373         //File hash: 5E249B96F9A46A18FC2489B005BF2667
 374         //Nr. hashs: 4
 375         //Hash[  0]: 5319896A2ECAD43BF17E2E3575278E72
 376         //Hash[  1]: D86EF157D5E49C5ED502EDC15BB5F82B
 377         //Hash[  2]: 10F2D5B1FCB95C0840519C58D708480F
 378         //Hash[  3]: 31D6CFE0D16AE931B73C59D7E0C089C0   *special part hash*
 379         //
 380         //
 381         //File size: 3*PARTSIZE + 1 byte
 382         //File hash: 797ED552F34380CAFF8C958207E40355
 383         //Nr. hashs: 4
 384         //Hash[  0]: FC7FD02CCD6987DCF1421F4C0AF94FB8
 385         //Hash[  1]: 2FE466AF8A7C06DA3365317B75A5ACFE
 386         //Hash[  2]: 873D3BF52629F7C1527C6E8E473C1C30
 387         //Hash[  3]: BCE50BEE7877BB07BB6FDA56BFE142FB
 388         //
 389
 390         // File size       Data parts      ED2K parts      ED2K part hashs
 391         // ---------------------------------------------------------------
 392         // 1..PARTSIZE-1   1               1               0(!)
 393         // PARTSIZE        1               2(!)            2(!)
 394         // PARTSIZE+1      2               2               2
 395         // PARTSIZE*2      2               3(!)            3(!)
 396         // PARTSIZE*2+1    3               3               3
 397
 398         if (nFileSize == 0){
 399                 //wxFAIL; // Kry - Why commented out by lemonfan? it can never be 0
 400                 m_iPartCount = 0;
 401                 m_iED2KPartCount = 0;
 402                 m_iED2KPartHashCount = 0;
 403                 m_sizeLastPart = 0;
 404                 return;
 405         }
 406
 407         // nr. of data parts
 408         m_iPartCount = nFileSize / PARTSIZE + 1;
 409         // size of last part
 410         m_sizeLastPart = nFileSize % PARTSIZE;
 411         // file with size of n * PARTSIZE
 412         if (m_sizeLastPart == 0) {
 413                 m_sizeLastPart = PARTSIZE;
 414                 m_iPartCount--;
 415         }
 416
 417         // nr. of parts to be used with OP_FILESTATUS
 418         m_iED2KPartCount = nFileSize / PARTSIZE + 1;
 419
 420         // nr. of parts to be used with OP_HASHSETANSWER
 421         m_iED2KPartHashCount = nFileSize / PARTSIZE;
 422         if (m_iED2KPartHashCount != 0) {
 423                 m_iED2KPartHashCount += 1;
 424         }
 425 }
 426
 427
 428 void CKnownFile::AddUploadingClient(CUpDownClient* client)
 429 {
 430         m_ClientUploadList.insert(CCLIENTREF(client, wxT("CKnownFile::AddUploadingClient m_ClientUploadList")));
 431
 432         SourceItemType type = UNAVAILABLE_SOURCE;
 433         switch (client->GetUploadState()) {
 434                 case US_UPLOADING:
 435                 case US_ONUPLOADQUEUE:
 436                         type = AVAILABLE_SOURCE;
 437                         break;
 438                 default: {
 439                         // Any other state is UNAVAILABLE_SOURCE by default.
 440                 }
 441         }
 442
 443         Notify_SharedCtrlAddClient(this, CCLIENTREF(client, wxT("CKnownFile::AddUploadingClient Notify_SharedCtrlAddClient")), type);
 444
 445         UpdateAutoUpPriority();
 446 }
 447
 448
 449 void CKnownFile::RemoveUploadingClient(CUpDownClient* client)
 450 {
 451         if (m_ClientUploadList.erase(CCLIENTREF(client, wxEmptyString))) {
 452                 Notify_SharedCtrlRemoveClient(client->ECID(), this);
 453                 UpdateAutoUpPriority();
 454         }
 455 }
 456
 457
 458 #ifdef CLIENT_GUI
 459
 460 CKnownFile::CKnownFile(CEC_SharedFile_Tag *tag) : CECID(tag->ID())
 461 {
 462         Init();
 463
 464         m_abyFileHash = tag->FileHash();
 465         SetFileSize(tag->SizeFull());
 466         m_AvailPartFrequency.insert(m_AvailPartFrequency.end(), m_iPartCount, 0);
 467         m_queuedCount = 0;
 468 }
 469
 470 CKnownFile::~CKnownFile()
 471 {
 472 }
 473
 474 void CKnownFile::UpdateAutoUpPriority()
 475 {
 476 }
 477
 478
 479 #else // ! CLIENT_GUI
 480
 481 CKnownFile::~CKnownFile()
 482 {
 483         SourceSet::iterator it = m_ClientUploadList.begin();
 484         for ( ; it != m_ClientUploadList.end(); ++it ) {
 485                 it->ClearUploadFileID();
 486         }
 487
 488         delete m_pAICHHashSet;
 489 }
 490
 491
 492 void CKnownFile::SetFilePath(const CPath& filePath)
 493 {
 494         m_filePath = filePath;
 495 }
 496
 497
 498 // needed for memfiles. its probably better to switch everything to CFile...
 499 bool CKnownFile::LoadHashsetFromFile(const CFileDataIO* file, bool checkhash)
 500 {
 501         CMD4Hash checkid = file->ReadHash();
 502
 503         uint16 parts = file->ReadUInt16();
 504         m_hashlist.clear();
 505         for (uint16 i = 0; i < parts; ++i){
 506                 CMD4Hash cur_hash = file->ReadHash();
 507                 m_hashlist.push_back(cur_hash);
 508         }
 509
 510         // SLUGFILLER: SafeHash - always check for valid m_hashlist
 511         if (!checkhash){
 512                 m_abyFileHash = checkid;
 513                 if (parts <= 1) {       // nothing to check
 514                         return true;
 515                 }
 516         } else {
 517                 if ( m_abyFileHash != checkid ) {
 518                         return false;   // wrong file?
 519                 } else {
 520                         if (parts != GetED2KPartHashCount()) {
 521                                 return false;
 522                         }
 523                 }
 524         }
 525         // SLUGFILLER: SafeHash
 526
 527         // trust noone ;-)
 528         // lol, useless comment but made me lmao
 529         // wtf you guys are weird.
 530
 531         if (!m_hashlist.empty()) {
 532                 CreateHashFromHashlist(m_hashlist, &checkid);
 533         }
 534
 535         if ( m_abyFileHash == checkid ) {
 536                 return true;
 537         } else {
 538                 m_hashlist.clear();
 539                 return false;
 540         }
 541 }
 542
 543
 544 bool CKnownFile::LoadTagsFromFile(const CFileDataIO* file)
 545 {
 546         uint32 tagcount = file->ReadUInt32();
 547         m_taglist.clear();
 548         for (uint32 j = 0; j != tagcount; ++j) {
 549                 CTag newtag(*file, true);
 550                 switch(newtag.GetNameID()){
 551                         case FT_FILENAME:
 552                                 if (GetFileName().IsOk()) {
 553                                         // Unlike eMule, we actually prefer the second
 554                                         // filename tag, since we use it to specify the
 555                                         // 'universial' filename (see CPath::ToUniv).
 556                                         CPath path = CPath::FromUniv(newtag.GetStr());
 557
 558                                         // May be invalid, if from older versions where
 559                                         // unicoded filenames be saved as empty-strings.
 560                                         if (path.IsOk()) {
 561                                                 SetFileName(path);
 562                                         }
 563                                 } else {
 564                                         SetFileName(CPath(newtag.GetStr()));
 565                                 }
 566                                 break;
 567
 568                         case FT_FILESIZE:
 569                                 SetFileSize(newtag.GetInt());
 570                                 m_AvailPartFrequency.clear();
 571                                 m_AvailPartFrequency.insert(
 572                                         m_AvailPartFrequency.begin(),
 573                                         GetPartCount(), 0);
 574                                 break;
 575
 576                         case FT_ATTRANSFERRED:
 577                                 statistic.alltimetransferred += newtag.GetInt();
 578                                 break;
 579
 580                         case FT_ATTRANSFERREDHI:
 581                                 statistic.alltimetransferred =
 582                                         (((uint64)newtag.GetInt()) << 32) +
 583                                         ((uint64)statistic.alltimetransferred);
 584                                 break;
 585
 586                         case FT_ATREQUESTED:
 587                                 statistic.alltimerequested = newtag.GetInt();
 588                                 break;
 589
 590                         case FT_ATACCEPTED:
 591                                 statistic.alltimeaccepted = newtag.GetInt();
 592                                 break;
 593
 594                         case FT_ULPRIORITY:
 595                                 m_iUpPriority = newtag.GetInt();
 596                                 if( m_iUpPriority == PR_AUTO ){
 597                                         m_iUpPriority = PR_HIGH;
 598                                         m_bAutoUpPriority = true;
 599                                 } else {
 600                                         if (    m_iUpPriority != PR_VERYLOW &&
 601                                                 m_iUpPriority != PR_LOW &&
 602                                                 m_iUpPriority != PR_NORMAL &&
 603                                                 m_iUpPriority != PR_HIGH &&
 604                                                 m_iUpPriority != PR_VERYHIGH &&
 605                                                 m_iUpPriority != PR_POWERSHARE) {
 606                                                 m_iUpPriority = PR_NORMAL;
 607                                         }
 608
 609                                         m_bAutoUpPriority = false;
 610                                 }
 611                                 break;
 612
 613                         case FT_PERMISSIONS:
 614                                 // Ignore it, it's not used anymore.
 615                                 break;
 616
 617                         case FT_AICH_HASH: {
 618                                 CAICHHash hash;
 619                                 bool hashSizeOk =
 620                                         hash.DecodeBase32(newtag.GetStr()) == CAICHHash::GetHashSize();
 621                                 wxASSERT(hashSizeOk);
 622                                 if (hashSizeOk) {
 623                                         m_pAICHHashSet->SetMasterHash(hash, AICH_HASHSETCOMPLETE);
 624                                 }
 625                                 break;
 626                         }
 627
 628                         case FT_KADLASTPUBLISHSRC:
 629                                 SetLastPublishTimeKadSrc( newtag.GetInt(), 0 );
 630
 631                                 if(GetLastPublishTimeKadSrc() > (uint32)time(NULL)+KADEMLIAREPUBLISHTIMES) {
 632                                         //There may be a posibility of an older client that saved a random number here.. This will check for that..
 633                                         SetLastPublishTimeKadSrc(0, 0);
 634                                 }
 635                                 break;
 636
 637                         case FT_KADLASTPUBLISHNOTES:
 638                                 SetLastPublishTimeKadNotes( newtag.GetInt() );
 639                                 break;
 640
 641                         case FT_KADLASTPUBLISHKEY:
 642                                 // Just purge it
 643                                 wxASSERT( newtag.IsInt() );
 644                                 break;
 645
 646                         default:
 647                                 // Store them here and write them back on saving.
 648                                 m_taglist.push_back(newtag);
 649                 }
 650         }
 651
 652         return true;
 653 }
 654
 655
 656 bool CKnownFile::LoadDateFromFile(const CFileDataIO* file)
 657 {
 658         m_lastDateChanged = file->ReadUInt32();
 659
 660         return true;
 661 }
 662
 663
 664 bool CKnownFile::LoadFromFile(const CFileDataIO* file)
 665 {
 666         // SLUGFILLER: SafeHash - load first, verify later
 667         bool ret1 = LoadDateFromFile(file);
 668         bool ret2 = LoadHashsetFromFile(file,false);
 669         bool ret3 = LoadTagsFromFile(file);
 670         UpdatePartsInfo();
 671         // Final hash-count verification, needs to be done after the tags are loaded.
 672         return ret1 && ret2 && ret3 && GetED2KPartHashCount()==GetHashCount();
 673         // SLUGFILLER: SafeHash
 674 }
 675
 676
 677 bool CKnownFile::WriteToFile(CFileDataIO* file)
 678 {
 679         wxCHECK(!IsPartFile(), false);
 680
 681         // date
 682         file->WriteUInt32(m_lastDateChanged);
 683         // hashset
 684         file->WriteHash(m_abyFileHash);
 685
 686         uint16 parts = m_hashlist.size();
 687         file->WriteUInt16(parts);
 688
 689         for (int i = 0; i < parts; ++i)
 690                 file->WriteHash(m_hashlist[i]);
 691
 692         //tags
 693         const int iFixedTags = 8;
 694         uint32 tagcount = iFixedTags;
 695         if (HasProperAICHHashSet()) {
 696                 tagcount++;
 697         }
 698         // Float meta tags are currently not written. All older eMule versions < 0.28a have
 699         // a bug in the meta tag reading+writing code. To achive maximum backward
 700         // compatibility for met files with older eMule versions we just don't write float
 701         // tags. This is OK, because we (eMule) do not use float tags. The only float tags
 702         // we may have to handle is the '# Sent' tag from the Hybrid, which is pretty
 703         // useless but may be received from us via the servers.
 704         //
 705         // The code for writing the float tags SHOULD BE ENABLED in SOME MONTHS (after most
 706         // people are using the newer eMule versions which do not write broken float tags).
 707         for (size_t j = 0; j < m_taglist.size(); ++j){
 708                 if (m_taglist[j].IsInt() || m_taglist[j].IsStr()) {
 709                         ++tagcount;
 710                 }
 711         }
 712
 713         if (m_lastPublishTimeKadSrc) {
 714                 ++tagcount;
 715         }
 716
 717         if (m_lastPublishTimeKadNotes){
 718                 ++tagcount;
 719         }
 720
 721         // standard tags
 722
 723         file->WriteUInt32(tagcount);
 724
 725         // We still save the unicoded filename, for backwards
 726         // compatibility with pre-2.2 and other clients.
 727         CTagString nametag_unicode(FT_FILENAME, GetFileName().GetRaw());
 728         // We write it with BOM to kep eMule compatibility
 729         nametag_unicode.WriteTagToFile(file,utf8strOptBOM);
 730
 731         // The non-unicoded filename is written in an 'universial'
 732         // format, which allows us to identify files, even if the
 733         // system locale changes.
 734         CTagString nametag(FT_FILENAME, CPath::ToUniv(GetFileName()));
 735         nametag.WriteTagToFile(file);
 736
 737         CTagIntSized sizetag(FT_FILESIZE, GetFileSize(), IsLargeFile() ? 64 : 32);
 738         sizetag.WriteTagToFile(file);
 739
 740         // statistic
 741         uint32 tran;
 742         tran=statistic.alltimetransferred & 0xFFFFFFFF;
 743         CTagInt32 attag1(FT_ATTRANSFERRED, tran);
 744         attag1.WriteTagToFile(file);
 745
 746         tran=statistic.alltimetransferred>>32;
 747         CTagInt32 attag4(FT_ATTRANSFERREDHI, tran);
 748         attag4.WriteTagToFile(file);
 749
 750         CTagInt32 attag2(FT_ATREQUESTED, statistic.GetAllTimeRequests());
 751         attag2.WriteTagToFile(file);
 752
 753         CTagInt32 attag3(FT_ATACCEPTED, statistic.GetAllTimeAccepts());
 754         attag3.WriteTagToFile(file);
 755
 756         // priority N permission
 757         CTagInt32 priotag(FT_ULPRIORITY, IsAutoUpPriority() ? PR_AUTO : m_iUpPriority);
 758         priotag.WriteTagToFile(file);
 759
 760         //AICH Filehash
 761         if (HasProperAICHHashSet()) {
 762                 CTagString aichtag(FT_AICH_HASH, m_pAICHHashSet->GetMasterHash().GetString());
 763                 aichtag.WriteTagToFile(file);
 764         }
 765
 766         // Kad sources
 767         if (m_lastPublishTimeKadSrc){
 768                 CTagInt32 kadLastPubSrc(FT_KADLASTPUBLISHSRC, m_lastPublishTimeKadSrc);
 769                 kadLastPubSrc.WriteTagToFile(file);
 770         }
 771
 772         // Kad notes
 773         if (m_lastPublishTimeKadNotes){
 774                 CTagInt32 kadLastPubNotes(FT_KADLASTPUBLISHNOTES, m_lastPublishTimeKadNotes);
 775                 kadLastPubNotes.WriteTagToFile(file);
 776         }
 777
 778         //other tags
 779         for (size_t j = 0; j < m_taglist.size(); ++j){
 780                 if (m_taglist[j].IsInt() || m_taglist[j].IsStr()) {
 781                         m_taglist[j].WriteTagToFile(file);
 782                 }
 783         }
 784         return true;
 785 }
 786
 787
 788 void CKnownFile::CreateHashFromHashlist(const ArrayOfCMD4Hash& hashes, CMD4Hash* Output)
 789 {
 790         wxCHECK_RET(hashes.size(), wxT("No input to hash from in CreateHashFromHashlist"));
 791
 792         std::vector<byte> buffer(hashes.size() * MD4HASH_LENGTH);
 793         std::vector<byte>::iterator it = buffer.begin();
 794
 795         for (size_t i = 0; i < hashes.size(); ++i) {
 796                 it = STLCopy_n(hashes[i].GetHash(), MD4HASH_LENGTH, it);
 797         }
 798
 799         CreateHashFromInput(&buffer[0], buffer.size(), Output, NULL);
 800 }
 801
 802
 803 void CKnownFile::CreateHashFromFile(CFileAutoClose& file, uint64 offset, uint32 Length, CMD4Hash* Output, CAICHHashTree* pShaHashOut)
 804 {
 805         wxCHECK_RET(Length, wxT("No input to hash from in CreateHashFromFile"));
 806
 807         CFileArea area;
 808         area.ReadAt(file, offset, Length);
 809
 810         CreateHashFromInput(area.GetBuffer(), Length, Output, pShaHashOut);
 811         area.CheckError();
 812 }
 813
 814
 815 void CKnownFile::CreateHashFromInput(const byte* input, uint32 Length, CMD4Hash* Output, CAICHHashTree* pShaHashOut )
 816 {
 817         wxASSERT_MSG(Output || pShaHashOut, wxT("Nothing to do in CreateHashFromInput"));
 818         { wxCHECK_RET(input, wxT("No input to hash from in CreateHashFromInput")); }
 819         wxASSERT(Length <= PARTSIZE); // We never hash more than one PARTSIZE
 820
 821         CMemFile data(input, Length);
 822
 823         uint32 Required = Length;
 824         byte   X[64*128];
 825
 826         uint32  posCurrentEMBlock = 0;
 827         uint32  nIACHPos = 0;
 828         CScopedPtr<CAICHHashAlgo> pHashAlg(CAICHHashSet::GetNewHashAlgo());
 829
 830         // This is all AICH.
 831         while (Required >= 64) {
 832                 uint32 len = Required / 64;
 833                 if (len > sizeof(X)/(64 * sizeof(X[0]))) {
 834                         len = sizeof(X)/(64 * sizeof(X[0]));
 835                 }
 836
 837                 data.Read(&X, len * 64);
 838
 839                 // SHA hash needs 180KB blocks
 840                 if (pShaHashOut) {
 841                         if (nIACHPos + len*64 >= EMBLOCKSIZE) {
 842                                 uint32 nToComplete = EMBLOCKSIZE - nIACHPos;
 843                                 pHashAlg->Add(X, nToComplete);
 844                                 wxASSERT( nIACHPos + nToComplete == EMBLOCKSIZE );
 845                                 pShaHashOut->SetBlockHash(EMBLOCKSIZE, posCurrentEMBlock, pHashAlg.get());
 846                                 posCurrentEMBlock += EMBLOCKSIZE;
 847                                 pHashAlg->Reset();
 848                                 pHashAlg->Add(X+nToComplete,(len*64) - nToComplete);
 849                                 nIACHPos = (len*64) - nToComplete;
 850                         }
 851                         else{
 852                                 pHashAlg->Add(X, len*64);
 853                                 nIACHPos += len*64;
 854                         }
 855                 }
 856
 857                 Required -= len*64;
 858         }
 859         // bytes to read
 860         Required = Length % 64;
 861         if (Required != 0){
 862                 data.Read(&X,Required);
 863
 864                 if (pShaHashOut != NULL){
 865                         if (nIACHPos + Required >= EMBLOCKSIZE){
 866                                 uint32 nToComplete = EMBLOCKSIZE - nIACHPos;
 867                                 pHashAlg->Add(X, nToComplete);
 868                                 wxASSERT( nIACHPos + nToComplete == EMBLOCKSIZE );
 869                                 pShaHashOut->SetBlockHash(EMBLOCKSIZE, posCurrentEMBlock, pHashAlg.get());
 870                                 posCurrentEMBlock += EMBLOCKSIZE;
 871                                 pHashAlg->Reset();
 872                                 pHashAlg->Add(X+nToComplete, Required - nToComplete);
 873                                 nIACHPos = Required - nToComplete;
 874                         }
 875                         else{
 876                                 pHashAlg->Add(X, Required);
 877                                 nIACHPos += Required;
 878                         }
 879                 }
 880         }
 881         if (pShaHashOut != NULL){
 882                 if(nIACHPos > 0){
 883                         pShaHashOut->SetBlockHash(nIACHPos, posCurrentEMBlock, pHashAlg.get());
 884                         posCurrentEMBlock += nIACHPos;
 885                 }
 886                 wxASSERT( posCurrentEMBlock == Length );
 887                 wxCHECK2( pShaHashOut->ReCalculateHash(pHashAlg.get(), false), );
 888         }
 889
 890         if (Output != NULL){
 891                 #ifdef __WEAK_CRYPTO__
 892                         CryptoPP::Weak::MD4 md4_hasher;
 893                 #else
 894                         CryptoPP::MD4 md4_hasher;
 895                 #endif
 896                  md4_hasher.CalculateDigest(Output->GetHash(), input, Length);
 897         }
 898 }
 899
 900
 901 const CMD4Hash& CKnownFile::GetPartHash(uint16 part) const {
 902         wxASSERT( part < m_hashlist.size() );
 903
 904         return m_hashlist[part];
 905 }
 906
 907 CPacket* CKnownFile::CreateSrcInfoPacket(const CUpDownClient* forClient, uint8 byRequestedVersion, uint16 nRequestedOptions)
 908 {
 909         // Kad reviewed
 910
 911         if (m_ClientUploadList.empty()) {
 912                 return NULL;
 913         }
 914
 915         if ((((CKnownFile*)forClient->GetRequestFile() != this)
 916                 && ((CKnownFile*)forClient->GetUploadFile() != this)) || forClient->GetUploadFileID() != GetFileHash()) {
 917                 wxString file1 = _("Unknown");
 918                 if (forClient->GetRequestFile() && forClient->GetRequestFile()->GetFileName().IsOk()) {
 919                         file1 = forClient->GetRequestFile()->GetFileName().GetPrintable();
 920                 } else if (forClient->GetUploadFile() && forClient->GetUploadFile()->GetFileName().IsOk()) {
 921                         file1 = forClient->GetUploadFile()->GetFileName().GetPrintable();
 922                 }
 923                 wxString file2 = _("Unknown");
 924                 if (GetFileName().IsOk()) {
 925                         file2 = GetFileName().GetPrintable();
 926                 }
 927                 AddDebugLogLineN(logKnownFiles, wxT("File mismatch on source packet (K) Sending: ") + file1 + wxT("  From: ") + file2);
 928                 return NULL;
 929         }
 930
 931         const BitVector& rcvstatus = forClient->GetUpPartStatus();
 932         bool SupportsUploadChunksState = !rcvstatus.empty();
 933         //wxASSERT(rcvstatus.size() == GetPartCount()); // Obviously!
 934         if (rcvstatus.size() != GetPartCount()) {
 935                 // Yuck. Same file but different part count? Seriously fucked up.
 936                 AddDebugLogLineN(logKnownFiles, CFormat(wxT("Impossible situation: different partcounts for the same known file: %i (client) and %i (file)")) % rcvstatus.size() % GetPartCount());
 937                 return NULL;
 938         }
 939
 940         CMemFile data(1024);
 941
 942         uint8 byUsedVersion;
 943         bool bIsSX2Packet;
 944         if (forClient->SupportsSourceExchange2() && byRequestedVersion > 0){
 945                 // the client uses SourceExchange2 and requested the highest version he knows
 946                 // and we send the highest version we know, but of course not higher than his request
 947                 byUsedVersion = std::min(byRequestedVersion, (uint8)SOURCEEXCHANGE2_VERSION);
 948                 bIsSX2Packet = true;
 949                 data.WriteUInt8(byUsedVersion);
 950
 951                 // we don't support any special SX2 options yet, reserved for later use
 952                 if (nRequestedOptions != 0) {
 953                         AddDebugLogLineN(logKnownFiles, CFormat(wxT("Client requested unknown options for SourceExchange2: %u")) % nRequestedOptions);
 954                 }
 955         } else {
 956                 byUsedVersion = forClient->GetSourceExchange1Version();
 957                 bIsSX2Packet = false;
 958                 if (forClient->SupportsSourceExchange2()) {
 959                         AddDebugLogLineN(logKnownFiles, wxT("Client which announced to support SX2 sent SX1 packet instead"));
 960                 }
 961         }
 962
 963         uint16 nCount = 0;
 964
 965         data.WriteHash(forClient->GetUploadFileID());
 966         data.WriteUInt16(nCount);
 967         uint32 cDbgNoSrc = 0;
 968
 969         SourceSet::iterator it = m_ClientUploadList.begin();
 970         for ( ; it != m_ClientUploadList.end(); it++ ) {
 971                 const CUpDownClient *cur_src = it->GetClient();
 972
 973                 if (    cur_src->HasLowID() ||
 974                         cur_src == forClient ||
 975                         !(      cur_src->GetUploadState() == US_UPLOADING ||
 976                                 cur_src->GetUploadState() == US_ONUPLOADQUEUE)) {
 977                         continue;
 978                 }
 979
 980                 bool bNeeded = false;
 981
 982                 if ( SupportsUploadChunksState ) {
 983                         const BitVector& srcstatus = cur_src->GetUpPartStatus();
 984                         if ( !srcstatus.empty() ) {
 985                                 //wxASSERT(srcstatus.size() == GetPartCount()); // Obviously!
 986                                 if (srcstatus.size() != GetPartCount()) {
 987                                         continue;
 988                                 }
 989                                 if ( cur_src->GetUpPartCount() == forClient->GetUpPartCount() ) {
 990                                         for (int x = 0; x < GetPartCount(); x++ ) {
 991                                                 if ( srcstatus.get(x) && !rcvstatus.get(x) ) {
 992                                                         // We know the receiving client needs
 993                                                         // a chunk from this client.
 994                                                         bNeeded = true;
 995                                                         break;
 996                                                 }
 997                                         }
 998                                 }
 999                         } else {
1000                                 cDbgNoSrc++;
1001                                 // This client doesn't support upload chunk status.
1002                                 // So just send it and hope for the best.
1003                                 bNeeded = true;
1004                         }
1005                 } else {
1006                         // remote client does not support upload chunk status,
1007                         // search sources which have at least one complete part
1008                         // we could even sort the list of sources by available
1009                         // chunks to return as much sources as possible which
1010                         // have the most available chunks. but this could be
1011                         // a noticeable performance problem.
1012                         const BitVector& srcstatus = cur_src->GetUpPartStatus();
1013                         if ( !srcstatus.empty() ) {
1014                                 //wxASSERT(srcstatus.size() == GetPartCount());
1015                                 if (srcstatus.size() != GetPartCount()) {
1016                                         continue;
1017                                 }
1018                                 for (int x = 0; x < GetPartCount(); x++ ) {
1019                                         if ( srcstatus.get(x) ) {
1020                                                 // this client has at least one chunk
1021                                                 bNeeded = true;
1022                                                 break;
1023                                         }
1024                                 }
1025                         } else {
1026                                 // This client doesn't support upload chunk status.
1027                                 // So just send it and hope for the best.
1028                                 bNeeded = true;
1029                         }
1030                 }
1031
1032                 if ( bNeeded ) {
1033                         nCount++;
1034                         uint32 dwID;
1035                         if(byUsedVersion >= 3) {
1036                                 dwID = cur_src->GetUserIDHybrid();
1037                         } else {
1038                                 dwID = cur_src->GetIP();
1039                         }
1040                         data.WriteUInt32(dwID);
1041                         data.WriteUInt16(cur_src->GetUserPort());
1042                         data.WriteUInt32(cur_src->GetServerIP());
1043                         data.WriteUInt16(cur_src->GetServerPort());
1044
1045                         if (byUsedVersion >= 2) {
1046                             data.WriteHash(cur_src->GetUserHash());
1047                         }
1048
1049                         if (byUsedVersion >= 4){
1050                                 // CryptSettings - SourceExchange V4
1051                                 // 5 Reserved (!)
1052                                 // 1 CryptLayer Required
1053                                 // 1 CryptLayer Requested
1054                                 // 1 CryptLayer Supported
1055                                 const uint8 uSupportsCryptLayer = cur_src->SupportsCryptLayer() ? 1 : 0;
1056                                 const uint8 uRequestsCryptLayer = cur_src->RequestsCryptLayer() ? 1 : 0;
1057                                 const uint8 uRequiresCryptLayer = cur_src->RequiresCryptLayer() ? 1 : 0;
1058                                 const uint8 byCryptOptions = (uRequiresCryptLayer << 2) | (uRequestsCryptLayer << 1) | (uSupportsCryptLayer << 0);
1059                                 data.WriteUInt8(byCryptOptions);
1060                         }
1061
1062                         if (nCount > 500) {
1063                                 break;
1064                         }
1065                 }
1066         }
1067
1068         if (!nCount) {
1069                 return 0;
1070         }
1071
1072         data.Seek(bIsSX2Packet ? 17 : 16, wxFromStart);
1073         data.WriteUInt16(nCount);
1074
1075         CPacket* result = new CPacket(data, OP_EMULEPROT, bIsSX2Packet ? OP_ANSWERSOURCES2 : OP_ANSWERSOURCES);
1076
1077         if ( result->GetPacketSize() > 354 ) {
1078                 result->PackPacket();
1079         }
1080
1081         return result;
1082 }
1083
1084
1085 void CKnownFile::CreateOfferedFilePacket(
1086         CMemFile *files,
1087         CServer *pServer,
1088         CUpDownClient *pClient) {
1089
1090         // This function is used for offering files to the local server and for sending
1091         // shared files to some other client. In each case we send our IP+Port only, if
1092         // we have a HighID.
1093
1094         wxASSERT(!(pClient && pServer));
1095
1096         SetPublishedED2K(true);
1097         files->WriteHash(GetFileHash());
1098
1099         uint32 nClientID = 0;
1100         uint16 nClientPort = 0;
1101
1102         if (pServer) {
1103                 if (pServer->GetTCPFlags() & SRV_TCPFLG_COMPRESSION) {
1104                         #define FILE_COMPLETE_ID                0xfbfbfbfb
1105                         #define FILE_COMPLETE_PORT      0xfbfb
1106                         #define FILE_INCOMPLETE_ID      0xfcfcfcfc
1107                         #define FILE_INCOMPLETE_PORT    0xfcfc
1108                         // complete   file: ip 251.251.251 (0xfbfbfbfb) port 0xfbfb
1109                         // incomplete file: op 252.252.252 (0xfcfcfcfc) port 0xfcfc
1110                         if (GetStatus() == PS_COMPLETE) {
1111                                 nClientID = FILE_COMPLETE_ID;
1112                                 nClientPort = FILE_COMPLETE_PORT;
1113                         } else {
1114                                 nClientID = FILE_INCOMPLETE_ID;
1115                                 nClientPort = FILE_INCOMPLETE_PORT;
1116                         }
1117                 } else {
1118                         if (theApp->IsConnectedED2K() && !::IsLowID(theApp->GetED2KID())){
1119                                 nClientID = theApp->GetID();
1120                                 nClientPort = thePrefs::GetPort();
1121                         }
1122                 }
1123         } else {
1124                 // Do not merge this with the above case - this one
1125                 // also checks Kad status.
1126                 if (theApp->IsConnected() && !theApp->IsFirewalled()) {
1127                         nClientID = theApp->GetID();
1128                         nClientPort = thePrefs::GetPort();
1129                 }
1130         }
1131
1132         files->WriteUInt32(nClientID);
1133         files->WriteUInt16(nClientPort);
1134
1135         TagPtrList tags;
1136
1137         // The printable filename is used because it's destined for another user.
1138         tags.push_back(new CTagString(FT_FILENAME, GetFileName().GetPrintable()));
1139
1140         if (pClient && pClient->GetVBTTags()) {
1141                 tags.push_back(new CTagVarInt(FT_FILESIZE, GetFileSize()));
1142         } else {
1143                 if (!IsLargeFile()){
1144                         tags.push_back(new CTagInt32(FT_FILESIZE, GetFileSize()));
1145                 } else {
1146                         // Large file
1147                         // we send 2*32 bit tags to servers, but a real 64 bit tag to other clients.
1148                         if (pServer) {
1149                                 if (!pServer->SupportsLargeFilesTCP()){
1150                                         wxFAIL;
1151                                         tags.push_back(new CTagInt32(FT_FILESIZE, 0));
1152                                 } else {
1153                                         tags.push_back(new CTagInt32(FT_FILESIZE, (uint32)GetFileSize()));
1154                                         tags.push_back(new CTagInt32(FT_FILESIZE_HI, (uint32)(GetFileSize() >> 32)));
1155                                 }
1156                         } else {
1157                                 if (!pClient->SupportsLargeFiles()) {
1158                                         wxFAIL;
1159                                         tags.push_back(new CTagInt32(FT_FILESIZE, 0));
1160                                 } else {
1161                                         tags.push_back(new CTagInt64(FT_FILESIZE, GetFileSize()));
1162                                 }
1163                         }
1164                 }
1165         }
1166
1167         if (GetFileRating()) {
1168                 tags.push_back(new CTagVarInt(FT_FILERATING, GetFileRating(), (pClient && pClient->GetVBTTags()) ? 0 : 32));
1169         }
1170
1171         // NOTE: Archives and CD-Images are published+searched with file type "Pro"
1172         bool bAddedFileType = false;
1173         if (pServer && (pServer->GetTCPFlags() & SRV_TCPFLG_TYPETAGINTEGER)) {
1174                 // Send integer file type tags to newer servers
1175                 EED2KFileType eFileType = GetED2KFileTypeSearchID(GetED2KFileTypeID(GetFileName()));
1176                 if (eFileType >= ED2KFT_AUDIO && eFileType <= ED2KFT_CDIMAGE) {
1177                         tags.push_back(new CTagInt32(FT_FILETYPE, eFileType));
1178                         bAddedFileType = true;
1179                 }
1180         }
1181         if (!bAddedFileType) {
1182                 // Send string file type tags to:
1183                 //      - newer servers, in case there is no integer type available for the file type (e.g. emulecollection)
1184                 //      - older servers
1185                 //      - all clients
1186                 wxString strED2KFileType(GetED2KFileTypeSearchTerm(GetED2KFileTypeID(GetFileName())));
1187                 if (!strED2KFileType.IsEmpty()) {
1188                         tags.push_back(new CTagString(FT_FILETYPE, strED2KFileType));
1189                 }
1190         }
1191
1192         // There, we could add MetaData info, if we ever get to have that.
1193
1194         EUtf8Str eStrEncode;
1195
1196         bool unicode_support =
1197                 // eservers that support UNICODE.
1198                 (pServer && (pServer->GetUnicodeSupport()))
1199                 ||
1200                 // clients that support unicode
1201                 (pClient && pClient->GetUnicodeSupport());
1202         eStrEncode = unicode_support ? utf8strRaw : utf8strNone;
1203
1204         files->WriteUInt32(tags.size());
1205
1206         // Sadly, eMule doesn't use a MISCOPTIONS flag on hello packet for this, so we
1207         // have to identify the support for new tags by version.
1208         bool new_ed2k =
1209                 // eMule client > 0.42f
1210                 (pClient && pClient->IsEmuleClient() && pClient->GetVersion()  >= MAKE_CLIENT_VERSION(0,42,7))
1211                 ||
1212                 // aMule >= 2.0.0rc8. Sadly, there's no way to check the rcN number, so I checked
1213                 // the rc8 changelog. On rc8 OSInfo was introduced, so...
1214                 (pClient && pClient->GetClientSoft() == SO_AMULE && !pClient->GetClientOSInfo().IsEmpty())
1215                 ||
1216                 // eservers use a flag for this, at least.
1217                 (pServer && (pServer->GetTCPFlags() & SRV_TCPFLG_NEWTAGS));
1218
1219         for (TagPtrList::iterator it = tags.begin(); it != tags.end(); ++it ) {
1220                 CTag* pTag = *it;
1221                 if (new_ed2k) {
1222                         pTag->WriteNewEd2kTag(files, eStrEncode);
1223                 } else {
1224                         pTag->WriteTagToFile(files, eStrEncode);
1225                 }
1226                 delete pTag;
1227         }
1228 }
1229
1230
1231 // Updates priority of file if autopriority is activated
1232 void CKnownFile::UpdateAutoUpPriority()
1233 {
1234         if (IsAutoUpPriority()) {
1235                 uint32 queued = GetQueuedCount();
1236                 uint8 priority = PR_NORMAL;
1237
1238                 if (queued > 20) {
1239                         priority = PR_LOW;
1240                 } else if (queued > 1) {
1241                         priority = PR_NORMAL;
1242                 } else {
1243                         priority = PR_HIGH;
1244                 }
1245
1246                 if (GetUpPriority() != priority) {
1247                         SetUpPriority(priority, false);
1248                         Notify_SharedFilesUpdateItem(this);
1249                 }
1250         }
1251 }
1252
1253 void CKnownFile::SetFileCommentRating(const wxString& strNewComment, int8 iNewRating)
1254 {
1255         if (m_strComment != strNewComment || m_iRating != iNewRating) {
1256                 SetLastPublishTimeKadNotes(0);
1257                 wxString strCfgPath = wxT("/") + m_abyFileHash.Encode() + wxT("/");
1258
1259                 wxConfigBase* cfg = wxConfigBase::Get();
1260                 if (strNewComment.IsEmpty() && iNewRating == 0) {
1261                         cfg->DeleteGroup(strCfgPath);
1262                 } else {
1263                         cfg->Write( strCfgPath + wxT("Comment"), strNewComment);
1264                         cfg->Write( strCfgPath + wxT("Rate"), (int)iNewRating);
1265                 }
1266
1267                 m_strComment = strNewComment;
1268                 m_iRating = iNewRating;
1269
1270                 SourceSet::iterator it = m_ClientUploadList.begin();
1271                 for ( ; it != m_ClientUploadList.end(); it++ ) {
1272                         it->SetCommentDirty();
1273                 }
1274         }
1275 }
1276
1277
1278 void CKnownFile::SetUpPriority(uint8 iNewUpPriority, bool m_bsave){
1279         m_iUpPriority = iNewUpPriority;
1280         if( IsPartFile() && m_bsave ) {
1281                 ((CPartFile*)this)->SavePartFile();
1282         }
1283 }
1284
1285 void CKnownFile::SetPublishedED2K(bool val){
1286         m_PublishedED2K = val;
1287         Notify_SharedFilesUpdateItem(this);
1288 }
1289
1290 bool CKnownFile::PublishNotes()
1291 {
1292         if(m_lastPublishTimeKadNotes > (uint32)time(NULL)) {
1293                 return false;
1294         }
1295
1296         if(!GetFileComment().IsEmpty()) {
1297                 m_lastPublishTimeKadNotes = (uint32)time(NULL)+KADEMLIAREPUBLISHTIMEN;
1298                 return true;
1299         }
1300
1301         if(GetFileRating() != 0) {
1302                 m_lastPublishTimeKadNotes = (uint32)time(NULL)+KADEMLIAREPUBLISHTIMEN;
1303                 return true;
1304         }
1305
1306         return false;
1307 }
1308
1309 bool CKnownFile::PublishSrc()
1310 {
1311         uint32 lastBuddyIP = 0;
1312
1313         if( theApp->IsFirewalled() ) {
1314                 CUpDownClient* buddy = theApp->clientlist->GetBuddy();
1315                 if( buddy ) {
1316                         lastBuddyIP = theApp->clientlist->GetBuddy()->GetIP();
1317                         if( lastBuddyIP != m_lastBuddyIP ) {
1318                                 SetLastPublishTimeKadSrc( (uint32)time(NULL)+KADEMLIAREPUBLISHTIMES, lastBuddyIP );
1319                                 return true;
1320                         }
1321                 } else {
1322                         return false;
1323                 }
1324         }
1325
1326         if(m_lastPublishTimeKadSrc > (uint32)time(NULL)) {
1327                 return false;
1328         }
1329
1330         SetLastPublishTimeKadSrc((uint32)time(NULL)+KADEMLIAREPUBLISHTIMES,lastBuddyIP);
1331         return true;
1332
1333 }
1334
1335 void CKnownFile::UpdatePartsInfo()
1336 {
1337         // Cache part count
1338         uint16 partcount = GetPartCount();
1339         bool flag = (time(NULL) - m_nCompleteSourcesTime > 0);
1340
1341         // Ensure the frequency-list is ready
1342         if ( m_AvailPartFrequency.size() != GetPartCount() ) {
1343                 m_AvailPartFrequency.clear();
1344                 m_AvailPartFrequency.insert(m_AvailPartFrequency.begin(), GetPartCount(), 0);
1345         }
1346
1347         if (flag) {
1348                 ArrayOfUInts16 count;
1349                 count.reserve(m_ClientUploadList.size());
1350
1351                 SourceSet::iterator it = m_ClientUploadList.begin();
1352                 for ( ; it != m_ClientUploadList.end(); it++ ) {
1353                         CUpDownClient* client = it->GetClient();
1354                         if ( !client->GetUpPartStatus().empty() && client->GetUpPartCount() == partcount ) {
1355                                 count.push_back(client->GetUpCompleteSourcesCount());
1356                         }
1357                 }
1358
1359                 m_nCompleteSourcesCount = m_nCompleteSourcesCountLo = m_nCompleteSourcesCountHi = 0;
1360
1361                 if( partcount > 0) {
1362                         m_nCompleteSourcesCount = m_AvailPartFrequency[0];
1363                 }
1364                 for (uint16 i = 1; i < partcount; ++i) {
1365                         if( m_nCompleteSourcesCount > m_AvailPartFrequency[i]) {
1366                                 m_nCompleteSourcesCount = m_AvailPartFrequency[i];
1367                         }
1368                 }
1369                 count.push_back(m_nCompleteSourcesCount);
1370
1371                 int32 n = count.size();
1372                 if (n > 0) {
1373                         std::sort(count.begin(), count.end(), std::less<uint16>());
1374
1375                         // calculate range
1376                         int i = n >> 1;                 // (n / 2)
1377                         int j = (n * 3) >> 2;   // (n * 3) / 4
1378                         int k = (n * 7) >> 3;   // (n * 7) / 8
1379
1380                         // For complete files, trust the people your uploading to more...
1381
1382                         // For low guess and normal guess count
1383                         //      - If we see more sources then the guessed low and
1384                         //      normal, use what we see.
1385                         //      - If we see less sources then the guessed low,
1386                         //      adjust network accounts for 100%, we account for
1387                         //      0% with what we see and make sure we are still
1388                         //      above the normal.
1389                         // For high guess
1390                         //      Adjust 100% network and 0% what we see.
1391                         if (n < 20) {
1392                                 if ( count[i] < m_nCompleteSourcesCount ) {
1393                                         m_nCompleteSourcesCountLo = m_nCompleteSourcesCount;
1394                                 } else {
1395                                         m_nCompleteSourcesCountLo = count[i];
1396                                 }
1397                                 m_nCompleteSourcesCount= m_nCompleteSourcesCountLo;
1398                                 m_nCompleteSourcesCountHi = count[j];
1399                                 if( m_nCompleteSourcesCountHi < m_nCompleteSourcesCount ) {
1400                                         m_nCompleteSourcesCountHi = m_nCompleteSourcesCount;
1401                                 }
1402                         } else {
1403                         // Many sources..
1404                         // For low guess
1405                         //      Use what we see.
1406                         // For normal guess
1407                         //      Adjust network accounts for 100%, we account for
1408                         //      0% with what we see and make sure we are still above the low.
1409                         // For high guess
1410                         //      Adjust network accounts for 100%, we account for 0%
1411                         //      with what we see and make sure we are still above the normal.
1412
1413                                 m_nCompleteSourcesCountLo = m_nCompleteSourcesCount;
1414                                 m_nCompleteSourcesCount = count[j];
1415                                 if( m_nCompleteSourcesCount < m_nCompleteSourcesCountLo ) {
1416                                         m_nCompleteSourcesCount = m_nCompleteSourcesCountLo;
1417                                 }
1418                                 m_nCompleteSourcesCountHi= count[k];
1419                                 if( m_nCompleteSourcesCountHi < m_nCompleteSourcesCount ) {
1420                                         m_nCompleteSourcesCountHi = m_nCompleteSourcesCount;
1421                                 }
1422                         }
1423                 }
1424                 m_nCompleteSourcesTime = time(NULL) + (60);
1425         }
1426
1427         Notify_SharedFilesUpdateItem(this);
1428 }
1429
1430
1431 void CKnownFile::UpdateUpPartsFrequency( CUpDownClient* client, bool increment )
1432 {
1433         if ( m_AvailPartFrequency.size() != GetPartCount() ) {
1434                 m_AvailPartFrequency.clear();
1435                 m_AvailPartFrequency.insert(m_AvailPartFrequency.begin(), GetPartCount(), 0);
1436                 if ( !increment ) {
1437                         return;
1438                 }
1439         }
1440
1441         const BitVector& freq = client->GetUpPartStatus();
1442         unsigned int size = freq.size();
1443         if ( size != m_AvailPartFrequency.size() ) {
1444                 return;
1445         }
1446
1447         if ( increment ) {
1448                 for ( unsigned int i = 0; i < size; ++i ) {
1449                         if ( freq.get(i) ) {
1450                                 m_AvailPartFrequency[i]++;
1451                         }
1452                 }
1453         } else {
1454                 for ( unsigned int i = 0; i < size; ++i ) {
1455                         if ( freq.get(i) ) {
1456                                 m_AvailPartFrequency[i]--;
1457                         }
1458                 }
1459         }
1460 }
1461
1462 void CKnownFile::ClearPriority() {
1463         if ( !m_bAutoUpPriority ) return;
1464         m_iUpPriority = ( m_bAutoUpPriority ) ? PR_HIGH : PR_NORMAL;
1465         UpdateAutoUpPriority();
1466 }
1467
1468 void GuessAndRemoveExt(CPath& name)
1469 {
1470         wxString ext = name.GetExt();
1471
1472         // Remove common two-part extensions, such as "tar.gz"
1473         if (ext == wxT("gz") || ext == wxT("bz2")) {
1474                 name = name.RemoveExt();
1475                 if (name.GetExt() == wxT("tar")) {
1476                         name = name.RemoveExt();
1477                 }
1478         // might be an extension if length == 3
1479         // and also remove some common non-three-character extensions
1480         } else if (ext.Length() == 3  ||
1481                    ext == wxT("7z")   ||
1482                    ext == wxT("rm")   ||
1483                    ext == wxT("jpeg") ||
1484                    ext == wxT("mpeg")
1485                    ) {
1486                 name = name.RemoveExt();
1487         }
1488 }
1489
1490 void CKnownFile::SetFileName(const CPath& filename)
1491 {
1492         CAbstractFile::SetFileName(filename);
1493         wordlist.clear();
1494         // Don't publish extension. That'd kill the node indexing e.g. "avi".
1495         CPath tmpName = GetFileName();
1496         GuessAndRemoveExt(tmpName);
1497         Kademlia::CSearchManager::GetWords(tmpName.GetPrintable(), &wordlist);
1498 }
1499
1500 #endif // CLIENT_GUI
1501
1502 //For File Comment //
1503 void CKnownFile::LoadComment() const
1504 {
1505         #ifndef CLIENT_GUI
1506         wxString strCfgPath = wxT("/") + m_abyFileHash.Encode() + wxT("/");
1507
1508         wxConfigBase* cfg = wxConfigBase::Get();
1509
1510         m_strComment = cfg->Read( strCfgPath + wxT("Comment"), wxEmptyString);
1511         m_iRating = cfg->Read( strCfgPath + wxT("Rate"), 0l);
1512         #endif
1513
1514         m_bCommentLoaded = true;
1515 }
1516
1517
1518 wxString CKnownFile::GetAICHMasterHash() const
1519 {
1520 #ifdef CLIENT_GUI
1521         return m_AICHMasterHash;
1522 #else
1523         if (HasProperAICHHashSet()) {
1524                 return m_pAICHHashSet->GetMasterHash().GetString();
1525         }
1526
1527         return wxEmptyString;
1528 #endif
1529 }
1530
1531
1532 bool CKnownFile::HasProperAICHHashSet() const
1533 {
1534 #ifdef CLIENT_GUI
1535         return m_AICHMasterHash.Length() != 0;
1536 #else
1537         return m_pAICHHashSet->HasValidMasterHash() &&
1538                 (m_pAICHHashSet->GetStatus() == AICH_HASHSETCOMPLETE ||
1539                  m_pAICHHashSet->GetStatus() == AICH_VERIFIED);
1540 #endif
1541 }
1542
1543 wxString CKnownFile::GetFeedback() const
1544 {
1545         return    wxString(_("File name")) + wxT(": ") + GetFileName().GetPrintable() + wxT("\n")
1546                 + _("File size") + wxT(": ") + CastItoXBytes(GetFileSize()) + wxT("\n")
1547                 + _("Share ratio") + CFormat(wxT(": %.2f%%\n")) % (((double)statistic.GetAllTimeTransferred() / (double)GetFileSize()) * 100.0)
1548                 + _("Uploaded") + wxT(": ") + CastItoXBytes(statistic.GetTransferred()) + wxT(" (") + CastItoXBytes(statistic.GetAllTimeTransferred()) + wxT(")\n")
1549                 + _("Requested") + CFormat(wxT(": %u (%u)\n")) % statistic.GetRequests() % statistic.GetAllTimeRequests()
1550                 + _("Accepted") + CFormat(wxT(": %u (%u)\n")) % statistic.GetAccepts() % statistic.GetAllTimeAccepts()
1551                 + _("On Queue") + CFormat(wxT(": %u\n")) % GetQueuedCount()
1552                 + _("Complete sources") + CFormat(wxT(": %u\n")) % m_nCompleteSourcesCount;
1553 }
1554
1555 // File_checked_for_headers