src/ExternalConn.cpp

   1 //
   2 // This file is part of the aMule Project.
   3 //
   4 // Copyright (c) 2003-2008 Kry ( elkry@sourceforge.net / http://www.amule.org )
   5 // Copyright (c) 2003-2008 aMule Team ( admin@amule.org / http://www.amule.org )
   6 // Copyright (c) 2008 Froenchenko Leonid (lfroen@gmail.com)
   7 //
   8 // Any parts of this program derived from the xMule, lMule or eMule project,
   9 // or contributed by third-party developers are copyrighted by their
  10 // respective authors.
  11 //
  12 // This program is free software; you can redistribute it and/or modify
  13 // it under the terms of the GNU General Public License as published by
  14 // the Free Software Foundation; either version 2 of the License, or
  15 // (at your option) any later version.
  16 //
  17 // This program is distributed in the hope that it will be useful,
  18 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 // GNU General Public License for more details.
  21 //
  22 // You should have received a copy of the GNU General Public License
  23 // along with this program; if not, write to the Free Software
  24 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  25 //
  26
  27 #ifdef HAVE_CONFIG_H
  28         #include "config.h"             // Needed for VERSION
  29 #endif
  30
  31 #include <ec/cpp/ECMuleSocket.h>                // Needed for CECSocket
  32
  33 #include <common/Format.h>              // Needed for CFormat
  34
  35 #include <common/ClientVersion.h>
  36 #include <common/MD5Sum.h>
  37
  38 #include "ExternalConn.h"       // Interface declarations
  39 #include "updownclient.h"       // Needed for CUpDownClient
  40 #include "Server.h"             // Needed for CServer
  41 #include "ServerList.h"         // Needed for CServerList
  42 #include "PartFile.h"           // Needed for CPartFile
  43 #include "ServerConnect.h"      // Needed for CServerConnect
  44 #include "UploadQueue.h"        // Needed for CUploadQueue
  45 #include "amule.h"              // Needed for theApp
  46 #include "SearchList.h"         // Needed for GetSearchResults
  47 #include "IPFilter.h"           // Needed for CIPFilter
  48 #include "ClientList.h"
  49 #include "Preferences.h"        // Needed for CPreferences
  50 #include "Logger.h"
  51 #include "GuiEvents.h"          // Needed for Notify_* macros
  52 #include "Statistics.h"         // Needed for theStats
  53 #include "KnownFileList.h"      // Needed for CKnownFileList
  54 #include "RandomFunctions.h"
  55 #include "kademlia/kademlia/Kademlia.h"
  56 #include "kademlia/kademlia/UDPFirewallTester.h"
  57
  58
  59 //-------------------- File_Encoder --------------------
  60
  61
  62 /*
  63  * Encode 'obtained parts' info to be sent to remote gui
  64  */
  65 class CKnownFile_Encoder {
  66         // number of sources for each part for progress bar colouring
  67         RLE_Data m_enc_data;
  68 protected:
  69         const CKnownFile *m_file;
  70 public:
  71         CKnownFile_Encoder(const CKnownFile *file = 0) { m_file = file; }
  72
  73         virtual ~CKnownFile_Encoder() {}
  74
  75         virtual void Encode(CECTag *parent_tag);
  76
  77         virtual void ResetEncoder()
  78         {
  79                 m_enc_data.ResetEncoder();
  80         }
  81
  82         virtual void SetShared() { }
  83         virtual bool IsShared() { return true; }
  84         virtual bool IsDownload() { return m_file->IsPartFile(); }
  85         const CKnownFile * GetFile() { return m_file; }
  86 };
  87
  88 /*!
  89  * PartStatus strings and gap lists are quite long - RLE encoding will help.
  90  *
  91  * Instead of sending each time full part-status string, send
  92  * RLE encoded difference from previous one.
  93  *
  94  * PartFileEncoderData class is used for decode only,
  95  * while CPartFile_Encoder is used for encode only.
  96  */
  97 class CPartFile_Encoder : public CKnownFile_Encoder {
  98         // blocks requested for download
  99         RLE_Data m_req_status;
 100         // gap list
 101         RLE_Data m_gap_status;
 102         // source names
 103         SourcenameItemMap m_sourcenameItemMap;
 104         // counter for unique source name ids
 105         int m_sourcenameID;
 106         // not all part files are shared (only when at least one part is complete)
 107         bool m_shared;
 108
 109         // cast inherited member to CPartFile
 110         CPartFile * m_PartFile() { wxASSERT(m_file->IsCPartFile()); return (CPartFile *)m_file; }
 111 public:
 112         // encoder side
 113         CPartFile_Encoder(const CPartFile *file = 0) : CKnownFile_Encoder(file)
 114         {
 115                 m_sourcenameID = 0;
 116                 m_shared = false;
 117         }
 118
 119         virtual ~CPartFile_Encoder() {}
 120
 121         // encode - take data from m_file
 122         virtual void Encode(CECTag *parent_tag);
 123
 124         // Encoder may reset history if full info requested
 125         virtual void ResetEncoder();
 126
 127         virtual void SetShared() { m_shared = true; }
 128         virtual bool IsShared() { return m_shared; }
 129         virtual bool IsDownload() { return true; }
 130 };
 131
 132 class CFileEncoderMap : public std::map<uint32, CKnownFile_Encoder*> {
 133         typedef std::set<uint32> IDSet;
 134 public:
 135         ~CFileEncoderMap();
 136         void UpdateEncoders();
 137 };
 138
 139 CFileEncoderMap::~CFileEncoderMap()
 140 {
 141         // DeleteContents() causes infinite recursion here!
 142         for (iterator it = begin(); it != end(); it++) {
 143                 delete it->second;
 144         }
 145 }
 146
 147 // Check if encoder contains files that are no longer used
 148 // or if we have new files without encoder yet.
 149 void CFileEncoderMap::UpdateEncoders()
 150 {
 151         IDSet curr_files, dead_files;
 152         // Downloads
 153         std::vector<CPartFile*> downloads;
 154         theApp->downloadqueue->CopyFileList(downloads);
 155         for (uint32 i = downloads.size(); i--;) {
 156                 uint32 id = downloads[i]->ECID();
 157                 curr_files.insert(id);
 158                 if (!count(id)) {
 159                         (*this)[id] = new CPartFile_Encoder(downloads[i]);
 160                 }
 161         }
 162         // Shares
 163         std::vector<CKnownFile*> shares;
 164         theApp->sharedfiles->CopyFileList(shares);
 165         for (uint32 i = shares.size(); i--;) {
 166                 uint32 id = shares[i]->ECID();
 167                 if (shares[i]->IsPartFile()) {  // we already have it
 168                         (*this)[id]->SetShared();
 169                         continue;
 170                 }
 171                 curr_files.insert(id);
 172                 if (!count(id)) {
 173                         (*this)[id] = new CKnownFile_Encoder(shares[i]);
 174                 }
 175         }
 176         // Check for removed files, and store them in a set for deletion.
 177         // (std::map documentation is unclear if a construct like
 178         //              iterator to_del = it++; erase(to_del) ;
 179         // works or invalidates it too.)
 180         for (iterator it = begin(); it != end(); it++) {
 181                 if (!curr_files.count(it->first)) {
 182                         dead_files.insert(it->first);
 183                 }
 184         }
 185         // then delete them
 186         for (IDSet::iterator it = dead_files.begin(); it != dead_files.end(); it++) {
 187                 iterator it2 = find(*it);
 188                 delete it2->second;
 189                 erase(it2);
 190         }
 191 }
 192
 193
 194 //-------------------- CECServerSocket --------------------
 195
 196 class CECServerSocket : public CECMuleSocket
 197 {
 198 public:
 199         CECServerSocket(ECNotifier *notifier);
 200         virtual ~CECServerSocket();
 201
 202         virtual const CECPacket *OnPacketReceived(const CECPacket *packet, uint32 trueSize);
 203         virtual void OnLost();
 204
 205         virtual void WriteDoneAndQueueEmpty();
 206 private:
 207         ECNotifier *m_ec_notifier;
 208
 209         const CECPacket *Authenticate(const CECPacket *);
 210
 211         enum {
 212                 CONN_INIT,
 213                 CONN_SALT_SENT,
 214                 CONN_ESTABLISHED,
 215                 CONN_FAILED
 216         } m_conn_state;
 217
 218         uint64_t m_passwd_salt;
 219         CLoggerAccess m_LoggerAccess;
 220         CFileEncoderMap m_FileEncoder;
 221         CObjTagMap              m_obj_tagmap;
 222         CECPacket *ProcessRequest2(const CECPacket *request);
 223
 224         virtual bool IsAuthorized() { return m_conn_state == CONN_ESTABLISHED; }
 225 };
 226
 227
 228 CECServerSocket::CECServerSocket(ECNotifier *notifier)
 229 :
 230 CECMuleSocket(true),
 231 m_conn_state(CONN_INIT),
 232 m_passwd_salt(GetRandomUint64())
 233 {
 234         wxASSERT(theApp->ECServerHandler);
 235         theApp->ECServerHandler->AddSocket(this);
 236         m_ec_notifier = notifier;
 237 }
 238
 239
 240 CECServerSocket::~CECServerSocket()
 241 {
 242         wxASSERT(theApp->ECServerHandler);
 243         theApp->ECServerHandler->RemoveSocket(this);
 244 }
 245
 246
 247 const CECPacket *CECServerSocket::OnPacketReceived(const CECPacket *packet, uint32 trueSize)
 248 {
 249         packet->DebugPrint(true, trueSize);
 250
 251         const CECPacket *reply = NULL;
 252
 253         if (m_conn_state == CONN_FAILED) {
 254                 // Client didn't close the socket when authentication failed.
 255                 AddLogLineM(false, _("Client sent packet after authentication failed."));
 256                 CloseSocket();
 257         }
 258
 259         if (m_conn_state != CONN_ESTABLISHED) {
 260                 // This is called twice:
 261                 // 1) send salt
 262                 // 2) verify password
 263                 reply = Authenticate(packet);
 264         } else {
 265                 reply = ProcessRequest2(packet);
 266         }
 267         return reply;
 268 }
 269
 270
 271 void CECServerSocket::OnLost()
 272 {
 273         AddLogLineM(false,_("External connection closed."));
 274         theApp->ECServerHandler->m_ec_notifier->Remove_EC_Client(this);
 275         DestroySocket();
 276 }
 277
 278 void CECServerSocket::WriteDoneAndQueueEmpty()
 279 {
 280         if ( HaveNotificationSupport() && (m_conn_state == CONN_ESTABLISHED) ) {
 281                 CECPacket *packet = m_ec_notifier->GetNextPacket(this);
 282                 if ( packet ) {
 283                         SendPacket(packet);
 284                 }
 285         } else {
 286                 //printf("[EC] %p: WriteDoneAndQueueEmpty but notification disabled\n", this);
 287         }
 288 }
 289
 290 //-------------------- ExternalConn --------------------
 291
 292 enum
 293 {       // id for sockets
 294         SERVER_ID = 1000
 295 };
 296
 297
 298 BEGIN_EVENT_TABLE(ExternalConn, wxEvtHandler)
 299         EVT_SOCKET(SERVER_ID, ExternalConn::OnServerEvent)
 300 END_EVENT_TABLE()
 301
 302
 303 ExternalConn::ExternalConn(amuleIPV4Address addr, wxString *msg)
 304 {
 305         wxString msgLocal;
 306         m_ECServer = NULL;
 307         // Are we allowed to accept External Connections?
 308         if ( thePrefs::AcceptExternalConnections() ) {
 309                 // We must have a valid password, otherwise we will not allow EC connections
 310                 if (thePrefs::ECPassword().IsEmpty()) {
 311                         *msg += wxT("External connections disabled due to empty password!\n");
 312                         AddLogLineM(true, _("External connections disabled due to empty password!"));
 313                         return;
 314                 }
 315
 316                 // Create the socket
 317                 m_ECServer = new wxSocketServer(addr, wxSOCKET_REUSEADDR);
 318                 m_ECServer->SetEventHandler(*this, SERVER_ID);
 319                 m_ECServer->SetNotify(wxSOCKET_CONNECTION_FLAG);
 320                 m_ECServer->Notify(true);
 321
 322                 int port = addr.Service();
 323                 wxString ip = addr.IPAddress();
 324                 if (m_ECServer->Ok()) {
 325                         msgLocal = wxT("*** TCP socket (ECServer) listening on ") + ip +
 326                                 wxString::Format(wxT(":%d"), port);
 327                         *msg += msgLocal + wxT("\n");
 328                         AddLogLineM(false, msgLocal);
 329                 } else {
 330                         msgLocal = wxT("Could not listen for external connections at ") + ip +
 331                                 wxString::Format(wxT(":%d!"), port);
 332                         *msg += msgLocal + wxT("\n");
 333                         AddLogLineM(false, msgLocal);
 334                 }
 335         } else {
 336                 *msg += wxT("External connections disabled in config file\n");
 337                 AddLogLineM(false,_("External connections disabled in config file"));
 338         }
 339         m_ec_notifier = new ECNotifier();
 340 }
 341
 342
 343 ExternalConn::~ExternalConn()
 344 {
 345         KillAllSockets();
 346         delete m_ECServer;
 347         delete m_ec_notifier;
 348 }
 349
 350
 351 void ExternalConn::AddSocket(CECServerSocket *s)
 352 {
 353         wxASSERT(s);
 354         socket_list.insert(s);
 355 }
 356
 357
 358 void ExternalConn::RemoveSocket(CECServerSocket *s)
 359 {
 360         wxASSERT(s);
 361         socket_list.erase(s);
 362 }
 363
 364
 365 void ExternalConn::KillAllSockets()
 366 {
 367         AddDebugLogLineM(false, logGeneral,
 368                 CFormat(wxT("ExternalConn::KillAllSockets(): %d sockets to destroy.")) %
 369                         socket_list.size());
 370         SocketSet::iterator it = socket_list.begin();
 371         while (it != socket_list.end()) {
 372                 CECServerSocket *s = *(it++);
 373                 s->Close();
 374                 s->Destroy();
 375         }
 376 }
 377
 378
 379 void ExternalConn::OnServerEvent(wxSocketEvent& WXUNUSED(event))
 380 {
 381         CECServerSocket *sock = new CECServerSocket(m_ec_notifier);
 382         // Accept new connection if there is one in the pending
 383         // connections queue, else exit. We use Accept(FALSE) for
 384         // non-blocking accept (although if we got here, there
 385         // should ALWAYS be a pending connection).
 386         if ( m_ECServer->AcceptWith(*sock, false) ) {
 387                 AddLogLineM(false, _("New external connection accepted"));
 388         } else {
 389                 delete sock;
 390                 AddLogLineM(false, _("ERROR: couldn't accept a new external connection"));
 391         }
 392
 393 }
 394
 395 //
 396 // Authentication
 397 //
 398 const CECPacket *CECServerSocket::Authenticate(const CECPacket *request)
 399 {
 400         CECPacket *response;
 401
 402         if (request == NULL) {
 403                 return new CECPacket(EC_OP_AUTH_FAIL);
 404         }
 405
 406         // Password must be specified if we are to allow remote connections
 407         if ( thePrefs::ECPassword().IsEmpty() ) {
 408                 AddLogLineM(true, _("External connection refused due to empty password in preferences!"));
 409
 410                 return new CECPacket(EC_OP_AUTH_FAIL);
 411         }
 412
 413         if ((m_conn_state == CONN_INIT) && (request->GetOpCode() == EC_OP_AUTH_REQ) ) {
 414                 const CECTag *clientName = request->GetTagByName(EC_TAG_CLIENT_NAME);
 415                 const CECTag *clientVersion = request->GetTagByName(EC_TAG_CLIENT_VERSION);
 416
 417                 AddLogLineM(false, CFormat( _("Connecting client: %s %s") )
 418                         % ( clientName ? clientName->GetStringData() : wxString(_("Unknown")) )
 419                         % ( clientVersion ? clientVersion->GetStringData() : wxString(_("Unknown version")) ) );
 420                 const CECTag *protocol = request->GetTagByName(EC_TAG_PROTOCOL_VERSION);
 421 #ifdef EC_VERSION_ID
 422                 // For SVN versions, both client and server must use SVNDATE, and they must be the same
 423                 CMD4Hash vhash;
 424                 if (!vhash.Decode(wxT(EC_VERSION_ID))) {
 425                         response = new CECPacket(EC_OP_AUTH_FAIL);
 426                         response->AddTag(CECTag(EC_TAG_STRING, wxT("Fatal error, version hash is not a valid MD4-hash.")));
 427                 } else if (!request->GetTagByName(EC_TAG_VERSION_ID) || request->GetTagByNameSafe(EC_TAG_VERSION_ID)->GetMD4Data() != vhash) {
 428                         response = new CECPacket(EC_OP_AUTH_FAIL);
 429                         response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Incorrect EC version ID, there might be binary incompatibility. Use core and remote from same snapshot.")));
 430 #else
 431                 // For release versions, we don't want to allow connections from any arbitrary SVN client.
 432                 if (request->GetTagByName(EC_TAG_VERSION_ID)) {
 433                         response = new CECPacket(EC_OP_AUTH_FAIL);
 434                         response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("You cannot connect to a release version from an arbitrary SVN version! *sigh* possible crash prevented")));
 435 #endif
 436                 } else if (protocol != NULL) {
 437                         uint16 proto_version = protocol->GetInt();
 438                         if (proto_version == EC_CURRENT_PROTOCOL_VERSION) {
 439                                 response = new CECPacket(EC_OP_AUTH_SALT);
 440                                 response->AddTag(CECTag(EC_TAG_PASSWD_SALT, m_passwd_salt));
 441                                 m_conn_state = CONN_SALT_SENT;
 442                                 //
 443                                 // So far ok, check capabilities of client
 444                                 //
 445                                 bool canZLIB = false, canUTF8numbers = false;
 446                                 if (request->GetTagByName(EC_TAG_CAN_ZLIB)) {
 447                                         canZLIB = true;
 448                                         m_my_flags |= EC_FLAG_ZLIB;
 449                                 }
 450                                 if (request->GetTagByName(EC_TAG_CAN_UTF8_NUMBERS)) {
 451                                         canUTF8numbers = true;
 452                                         m_my_flags |= EC_FLAG_UTF8_NUMBERS;
 453                                 }
 454                                 m_haveNotificationSupport = request->GetTagByName(EC_TAG_CAN_NOTIFY) != NULL;
 455                                 AddDebugLogLineN(logEC, CFormat(wxT("Client capabilities: ZLIB: %s  UTF8 numbers: %s  Push notification: %s") )
 456                                         % (canZLIB ? wxT("yes") : wxT("no"))
 457                                         % (canUTF8numbers ? wxT("yes") : wxT("no"))
 458                                         % (m_haveNotificationSupport ? wxT("yes") : wxT("no")));
 459                         } else {
 460                                 response = new CECPacket(EC_OP_AUTH_FAIL);
 461                                 response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Invalid protocol version.") + wxString::Format(wxT("( %i != %i )"),proto_version,EC_CURRENT_PROTOCOL_VERSION)));
 462                         }
 463                 } else {
 464                         response = new CECPacket(EC_OP_AUTH_FAIL);
 465                         response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Missing protocol version tag.")));
 466                 }
 467         } else if ((m_conn_state == CONN_SALT_SENT) && (request->GetOpCode() == EC_OP_AUTH_PASSWD)) {
 468                 const CECTag *passwd = request->GetTagByName(EC_TAG_PASSWD_HASH);
 469                 CMD4Hash passh;
 470
 471                 if (!passh.Decode(thePrefs::ECPassword())) {
 472                         wxString err = wxTRANSLATE("Authentication failed: invalid hash specified as EC password.");
 473                         AddLogLineM(false, wxString(wxGetTranslation(err)) + wxT(" ") + thePrefs::ECPassword());
 474                         response = new CECPacket(EC_OP_AUTH_FAIL);
 475                         response->AddTag(CECTag(EC_TAG_STRING, err));
 476                 } else {
 477                         wxString saltHash = MD5Sum(CFormat(wxT("%lX")) % m_passwd_salt).GetHash();
 478                         wxString saltStr = CFormat(wxT("%lX")) % m_passwd_salt;
 479
 480                         passh.Decode(MD5Sum(thePrefs::ECPassword().Lower() + saltHash).GetHash());
 481
 482                         if (passwd && passwd->GetMD4Data() == passh) {
 483                                 response = new CECPacket(EC_OP_AUTH_OK);
 484                                 response->AddTag(CECTag(EC_TAG_SERVER_VERSION, wxT(VERSION)));
 485                         } else {
 486                                 wxString err;
 487                                 if (passwd) {
 488                                         err = wxTRANSLATE("Authentication failed: wrong password.");
 489                                 } else {
 490                                         err = wxTRANSLATE("Authentication failed: missing password.");
 491                                 }
 492
 493                                 response = new CECPacket(EC_OP_AUTH_FAIL);
 494                                 response->AddTag(CECTag(EC_TAG_STRING, err));
 495                                 AddLogLineM(false, wxGetTranslation(err));
 496                         }
 497                 }
 498         } else {
 499                 response = new CECPacket(EC_OP_AUTH_FAIL);
 500                 response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Invalid request, please authenticate first.")));
 501         }
 502
 503         if (response->GetOpCode() == EC_OP_AUTH_OK) {
 504                 m_conn_state = CONN_ESTABLISHED;
 505                 AddLogLineM(false, _("Access granted."));
 506                 // Establish notification handler if client supports it
 507                 if (HaveNotificationSupport()) {
 508                         theApp->ECServerHandler->m_ec_notifier->Add_EC_Client(this);
 509                 }
 510         } else if (response->GetOpCode() == EC_OP_AUTH_FAIL) {
 511                 // Log message sent to client
 512                 if (response->GetFirstTagSafe()->IsString()) {
 513                         AddLogLineM(false, CFormat(_("Sent error message \"%s\" to client.")) % wxGetTranslation(response->GetFirstTagSafe()->GetStringData()));
 514                 }
 515                 // Access denied!
 516                 amuleIPV4Address address;
 517                 GetPeer(address);
 518                 AddLogLineM(false, CFormat(_("Unauthorized access attempt from %s. Connection closed.")) % address.IPAddress() );
 519                 m_conn_state = CONN_FAILED;
 520         }
 521
 522         return response;
 523 }
 524
 525 // Make a Logger tag (if there are any logging messages) and add it to the response
 526 static void AddLoggerTag(CECPacket *response, CLoggerAccess &LoggerAccess)
 527 {
 528         if (LoggerAccess.HasString()) {
 529                 CECEmptyTag tag(EC_TAG_STATS_LOGGER_MESSAGE);
 530                 // Tag structure is fix: tag carries nothing, inside are the strings
 531                 // maximum of 200 log lines per message
 532                 int entries = 0;
 533                 wxString line;
 534                 while (entries < 200 && LoggerAccess.GetString(line)) {
 535                         tag.AddTag(CECTag(EC_TAG_STRING, line));
 536                         entries++;
 537                 }
 538                 response->AddTag(tag);
 539                 //printf("send Log tag %d %d\n", FirstEntry, entries);
 540         }
 541 }
 542
 543 static CECPacket *Get_EC_Response_StatRequest(const CECPacket *request, CLoggerAccess &LoggerAccess)
 544 {
 545         CECPacket *response = new CECPacket(EC_OP_STATS);
 546
 547         switch (request->GetDetailLevel()) {
 548                 case EC_DETAIL_FULL:
 549                         response->AddTag(CECTag(EC_TAG_STATS_UP_OVERHEAD, (uint32)theStats::GetUpOverheadRate()));
 550                         response->AddTag(CECTag(EC_TAG_STATS_DOWN_OVERHEAD, (uint32)theStats::GetDownOverheadRate()));
 551                         response->AddTag(CECTag(EC_TAG_STATS_BANNED_COUNT, /*(uint32)*/theStats::GetBannedCount()));
 552                         AddLoggerTag(response, LoggerAccess);
 553                 case EC_DETAIL_WEB:
 554                 case EC_DETAIL_CMD:
 555                         response->AddTag(CECTag(EC_TAG_STATS_UL_SPEED, (uint32)theStats::GetUploadRate()));
 556                         response->AddTag(CECTag(EC_TAG_STATS_DL_SPEED, (uint32)(theStats::GetDownloadRate())));
 557                         response->AddTag(CECTag(EC_TAG_STATS_UL_SPEED_LIMIT, (uint32)(thePrefs::GetMaxUpload()*1024.0)));
 558                         response->AddTag(CECTag(EC_TAG_STATS_DL_SPEED_LIMIT, (uint32)(thePrefs::GetMaxDownload()*1024.0)));
 559                         response->AddTag(CECTag(EC_TAG_STATS_UL_QUEUE_LEN, /*(uint32)*/theStats::GetWaitingUserCount()));
 560                         response->AddTag(CECTag(EC_TAG_STATS_TOTAL_SRC_COUNT, /*(uint32)*/theStats::GetFoundSources()));
 561                         // User/Filecounts
 562                         {
 563                                 uint32 totaluser = 0, totalfile = 0;
 564                                 theApp->serverlist->GetUserFileStatus( totaluser, totalfile );
 565                                 response->AddTag(CECTag(EC_TAG_STATS_ED2K_USERS, totaluser));
 566                                 response->AddTag(CECTag(EC_TAG_STATS_KAD_USERS, Kademlia::CKademlia::GetKademliaUsers()));
 567                                 response->AddTag(CECTag(EC_TAG_STATS_ED2K_FILES, totalfile));
 568                                 response->AddTag(CECTag(EC_TAG_STATS_KAD_FILES, Kademlia::CKademlia::GetKademliaFiles()));
 569                         }
 570                         // Kad stats
 571                         if (Kademlia::CKademlia::IsConnected()) {
 572                                 response->AddTag(CECTag(EC_TAG_STATS_KAD_FIREWALLED_UDP, Kademlia::CUDPFirewallTester::IsFirewalledUDP(true)));
 573                                 response->AddTag(CECTag(EC_TAG_STATS_KAD_INDEXED_SOURCES, Kademlia::CKademlia::GetIndexed()->m_totalIndexSource));
 574                                 response->AddTag(CECTag(EC_TAG_STATS_KAD_INDEXED_KEYWORDS, Kademlia::CKademlia::GetIndexed()->m_totalIndexKeyword));
 575                                 response->AddTag(CECTag(EC_TAG_STATS_KAD_INDEXED_NOTES, Kademlia::CKademlia::GetIndexed()->m_totalIndexNotes));
 576                                 response->AddTag(CECTag(EC_TAG_STATS_KAD_INDEXED_LOAD, Kademlia::CKademlia::GetIndexed()->m_totalIndexLoad));
 577                                 response->AddTag(CECTag(EC_TAG_STATS_KAD_IP_ADRESS, wxUINT32_SWAP_ALWAYS(Kademlia::CKademlia::GetPrefs()->GetIPAddress())));
 578                                 response->AddTag(CECTag(EC_TAG_STATS_BUDDY_STATUS, theApp->clientlist->GetBuddyStatus()));
 579                                 uint32 BuddyIP = 0;
 580                                 uint16 BuddyPort = 0;
 581                                 CUpDownClient * Buddy = theApp->clientlist->GetBuddy();
 582                                 if (Buddy) {
 583                                         BuddyIP = Buddy->GetIP();
 584                                         BuddyPort = Buddy->GetUDPPort();
 585                                 }
 586                                 response->AddTag(CECTag(EC_TAG_STATS_BUDDY_IP, BuddyIP));
 587                                 response->AddTag(CECTag(EC_TAG_STATS_BUDDY_PORT, BuddyPort));
 588                         }
 589                 case EC_DETAIL_UPDATE:
 590                 case EC_DETAIL_INC_UPDATE:
 591                         break;
 592         };
 593
 594         return response;
 595 }
 596
 597 static CECPacket *Get_EC_Response_GetSharedFiles(const CECPacket *request, CFileEncoderMap &encoders)
 598 {
 599         wxASSERT(request->GetOpCode() == EC_OP_GET_SHARED_FILES);
 600
 601         CECPacket *response = new CECPacket(EC_OP_SHARED_FILES);
 602
 603         EC_DETAIL_LEVEL detail_level = request->GetDetailLevel();
 604         //
 605         // request can contain list of queried items
 606         CTagSet<uint32, EC_TAG_KNOWNFILE> queryitems(request);
 607
 608         encoders.UpdateEncoders();
 609
 610         for (uint32 i = 0; i < theApp->sharedfiles->GetFileCount(); ++i) {
 611                 CKnownFile *cur_file = (CKnownFile *)theApp->sharedfiles->GetFileByIndex(i);
 612
 613                 if ( !cur_file || (!queryitems.empty() && !queryitems.count(cur_file->ECID())) ) {
 614                         continue;
 615                 }
 616
 617                 CEC_SharedFile_Tag filetag(cur_file, detail_level);
 618                 CKnownFile_Encoder *enc = encoders[cur_file->ECID()];
 619                 if ( detail_level != EC_DETAIL_UPDATE ) {
 620                         enc->ResetEncoder();
 621                 }
 622                 enc->Encode(&filetag);
 623                 response->AddTag(filetag);
 624         }
 625         return response;
 626 }
 627
 628 static CECPacket *Get_EC_Response_GetUpdate(CFileEncoderMap &encoders, CObjTagMap &tagmap)
 629 {
 630         CECPacket *response = new CECPacket(EC_OP_SHARED_FILES);
 631
 632         encoders.UpdateEncoders();
 633         for (CFileEncoderMap::iterator it = encoders.begin(); it != encoders.end(); ++it) {
 634                 const CKnownFile *cur_file = it->second->GetFile();
 635                 CValueMap &valuemap = tagmap.GetValueMap(cur_file->ECID());
 636                 if (cur_file->IsCPartFile()) {
 637                         CEC_PartFile_Tag filetag((const CPartFile*) cur_file, EC_DETAIL_INC_UPDATE, &valuemap);
 638                         // Add information if partfile is shared
 639                         filetag.AddTag(EC_TAG_PARTFILE_SHARED, it->second->IsShared(), &valuemap);
 640
 641                         CPartFile_Encoder * enc = (CPartFile_Encoder *) encoders[cur_file->ECID()];
 642                         enc->Encode(&filetag);
 643                         response->AddTag(filetag);
 644                 } else {
 645                         CEC_SharedFile_Tag filetag(cur_file, EC_DETAIL_INC_UPDATE, &valuemap);
 646                         CKnownFile_Encoder * enc = encoders[cur_file->ECID()];
 647                         enc->Encode(&filetag);
 648                         response->AddTag(filetag);
 649                 }
 650         }
 651         // Add clients
 652         CECEmptyTag clients(EC_TAG_CLIENT);
 653         const CClientList::IDMap& clientList = theApp->clientlist->GetClientList();
 654         for (CClientList::IDMap::const_iterator it = clientList.begin(); it != clientList.end(); it++) {
 655                 const CUpDownClient* cur_client = it->second;
 656                 CValueMap &valuemap = tagmap.GetValueMap(cur_client->ECID());
 657                 clients.AddTag(CEC_UpDownClient_Tag(cur_client, EC_DETAIL_INC_UPDATE, &valuemap));
 658         }
 659         response->AddTag(clients);
 660
 661         return response;
 662 }
 663
 664 static CECPacket *Get_EC_Response_GetClientQueue(const CECPacket *request, CObjTagMap &tagmap, int op)
 665 {
 666         CECPacket *response = new CECPacket(op);
 667
 668         EC_DETAIL_LEVEL detail_level = request->GetDetailLevel();
 669
 670         //
 671         // request can contain list of queried items
 672         // (not for incremental update of course)
 673         CTagSet<uint32, EC_TAG_CLIENT> queryitems(request);
 674
 675         const CClientPtrList& clients = theApp->uploadqueue->GetUploadingList();
 676         CClientPtrList::const_iterator it = clients.begin();
 677         for (; it != clients.end(); ++it) {
 678                 CUpDownClient* cur_client = *it;
 679
 680                 if (!cur_client) {      // shouldn't happen
 681                         continue;
 682                 }
 683                 if (!queryitems.empty() && !queryitems.count(cur_client->ECID())) {
 684                         continue;
 685                 }
 686                 CValueMap *valuemap = NULL;
 687                 if (detail_level == EC_DETAIL_INC_UPDATE) {
 688                         valuemap = &tagmap.GetValueMap(cur_client->ECID());
 689                 }
 690                 CEC_UpDownClient_Tag cli_tag(cur_client, detail_level, valuemap);
 691
 692                 response->AddTag(cli_tag);
 693         }
 694
 695         return response;
 696 }
 697
 698
 699 static CECPacket *Get_EC_Response_GetDownloadQueue(const CECPacket *request, CFileEncoderMap &encoders)
 700 {
 701         CECPacket *response = new CECPacket(EC_OP_DLOAD_QUEUE);
 702
 703         EC_DETAIL_LEVEL detail_level = request->GetDetailLevel();
 704         //
 705         // request can contain list of queried items
 706         CTagSet<uint32, EC_TAG_PARTFILE> queryitems(request);
 707
 708         encoders.UpdateEncoders();
 709
 710         for (unsigned int i = 0; i < theApp->downloadqueue->GetFileCount(); i++) {
 711                 CPartFile *cur_file = theApp->downloadqueue->GetFileByIndex(i);
 712
 713                 if ( !queryitems.empty() && !queryitems.count(cur_file->ECID()) ) {
 714                         continue;
 715                 }
 716
 717                 CEC_PartFile_Tag filetag(cur_file, detail_level);
 718
 719                 CPartFile_Encoder * enc = (CPartFile_Encoder *) encoders[cur_file->ECID()];
 720                 if ( detail_level != EC_DETAIL_UPDATE ) {
 721                         enc->ResetEncoder();
 722                 }
 723                 enc->Encode(&filetag);
 724
 725                 response->AddTag(filetag);
 726         }
 727         return response;
 728 }
 729
 730
 731 static CECPacket *Get_EC_Response_PartFile_Cmd(const CECPacket *request)
 732 {
 733         CECPacket *response = NULL;
 734
 735         // request can contain multiple files.
 736         for (CECPacket::const_iterator it1 = request->begin(); it1 != request->end(); it1++) {
 737                 const CECTag &hashtag = *it1;
 738
 739                 wxASSERT(hashtag.GetTagName() == EC_TAG_PARTFILE);
 740
 741                 CMD4Hash hash = hashtag.GetMD4Data();
 742                 CPartFile *pfile = theApp->downloadqueue->GetFileByID( hash );
 743
 744                 if ( !pfile ) {
 745                         AddLogLineM(false,CFormat(_("Remote PartFile command failed: FileHash not found: %s")) % hash.Encode());
 746                         response = new CECPacket(EC_OP_FAILED);
 747                         response->AddTag(CECTag(EC_TAG_STRING, CFormat(wxString(wxTRANSLATE("FileHash not found: %s"))) % hash.Encode()));
 748                         //return response;
 749                         break;
 750                 }
 751                 switch (request->GetOpCode()) {
 752                         case EC_OP_PARTFILE_SWAP_A4AF_THIS:
 753                                 if ((pfile->GetStatus(false) == PS_READY) ||
 754                                         (pfile->GetStatus(false) == PS_EMPTY)) {
 755                                         CKnownFile::SourceSet::const_iterator it = pfile->GetA4AFList().begin();
 756                                         while ( it != pfile->GetA4AFList().end() ) {
 757                                                 CUpDownClient *cur_source = *it++;
 758
 759                                                 cur_source->SwapToAnotherFile(true, false, false, pfile);
 760                                         }
 761                                 }
 762                                 break;
 763                         case EC_OP_PARTFILE_SWAP_A4AF_THIS_AUTO:
 764                                 pfile->SetA4AFAuto(!pfile->IsA4AFAuto());
 765                                 break;
 766                         case EC_OP_PARTFILE_SWAP_A4AF_OTHERS:
 767                                 if ((pfile->GetStatus(false) == PS_READY) ||
 768                                     (pfile->GetStatus(false) == PS_EMPTY)) {
 769                                         CKnownFile::SourceSet::const_iterator it = pfile->GetSourceList().begin();
 770                                         while ( it != pfile->GetSourceList().end() ) {
 771                                                 CUpDownClient* cur_source = *it++;
 772
 773                                                 cur_source->SwapToAnotherFile(false, false, false, NULL);
 774                                         }
 775                                 }
 776                                 break;
 777                         case EC_OP_PARTFILE_PAUSE:
 778                                 pfile->PauseFile();
 779                                 break;
 780                         case EC_OP_PARTFILE_RESUME:
 781                                 pfile->ResumeFile();
 782                                 pfile->SavePartFile();
 783                                 break;
 784                         case EC_OP_PARTFILE_STOP:
 785                                 pfile->StopFile();
 786                                 break;
 787                         case EC_OP_PARTFILE_PRIO_SET: {
 788                                         uint8 prio = hashtag.GetFirstTagSafe()->GetInt();
 789                                         if ( prio == PR_AUTO ) {
 790                                                 pfile->SetAutoDownPriority(1);
 791                                         } else {
 792                                                 pfile->SetAutoDownPriority(0);
 793                                                 pfile->SetDownPriority(prio);
 794                                         }
 795                                 }
 796                                 break;
 797                         case EC_OP_PARTFILE_DELETE:
 798                                 if ( thePrefs::StartNextFile() && (pfile->GetStatus() != PS_PAUSED) ) {
 799                                         theApp->downloadqueue->StartNextFile(pfile);
 800                                 }
 801                                 pfile->Delete();
 802                                 break;
 803
 804                         case EC_OP_PARTFILE_SET_CAT:
 805                                 pfile->SetCategory(hashtag.GetFirstTagSafe()->GetInt());
 806                                 break;
 807
 808                         default:
 809                                 response = new CECPacket(EC_OP_FAILED);
 810                                 response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("OOPS! OpCode processing error!")));
 811                                 break;
 812                 }
 813         }
 814         if (!response) {
 815                 response = new CECPacket(EC_OP_NOOP);
 816         }
 817         return response;
 818 }
 819
 820 static CECPacket *Get_EC_Response_Server_Add(const CECPacket *request)
 821 {
 822         CECPacket *response = NULL;
 823
 824         const CECTag *srv_tag = request->GetFirstTagSafe();
 825
 826         wxString full_addr = srv_tag->GetTagByName(EC_TAG_SERVER_ADDRESS)->GetStringData();
 827         wxString name = srv_tag->GetTagByName(EC_TAG_SERVER_NAME)->GetStringData();
 828
 829         wxString s_ip = full_addr.Left(full_addr.Find(':'));
 830         wxString s_port = full_addr.Mid(full_addr.Find(':') + 1);
 831
 832         long port = StrToULong(s_port);
 833         CServer* toadd = new CServer(port, s_ip);
 834         toadd->SetListName(name.IsEmpty() ? full_addr : name);
 835
 836         if ( theApp->AddServer(toadd, true) ) {
 837                 response = new CECPacket(EC_OP_NOOP);
 838         } else {
 839                 response = new CECPacket(EC_OP_FAILED);
 840                 response->AddTag(CECTag(EC_TAG_STRING, _("Server not added")));
 841                 delete toadd;
 842         }
 843
 844         return response;
 845 }
 846
 847 static CECPacket *Get_EC_Response_Server(const CECPacket *request)
 848 {
 849         CECPacket *response = NULL;
 850         const CECTag *srv_tag = request->GetFirstTagSafe();
 851         CServer *srv = 0;
 852         if ( srv_tag ) {
 853                 srv = theApp->serverlist->GetServerByIPTCP(srv_tag->GetIPv4Data().IP(), srv_tag->GetIPv4Data().m_port);
 854                 // server tag passed, but server not found
 855                 if ( !srv ) {
 856                         response = new CECPacket(EC_OP_FAILED);
 857                         response->AddTag(CECTag(EC_TAG_STRING,
 858                                                 CFormat(wxString(wxTRANSLATE("server not found: %s"))) % srv_tag->GetIPv4Data().StringIP()));
 859                         return response;
 860                 }
 861         }
 862         switch (request->GetOpCode()) {
 863                 case EC_OP_SERVER_DISCONNECT:
 864                         theApp->serverconnect->Disconnect();
 865                         response = new CECPacket(EC_OP_NOOP);
 866                         break;
 867                 case EC_OP_SERVER_REMOVE:
 868                         if ( srv ) {
 869                                 theApp->serverlist->RemoveServer(srv);
 870                                 response = new CECPacket(EC_OP_NOOP);
 871                         } else {
 872                                 response = new CECPacket(EC_OP_FAILED);
 873                                 response->AddTag(CECTag(EC_TAG_STRING,
 874                                                         wxTRANSLATE("need to define server to be removed")));
 875                         }
 876                         break;
 877                 case EC_OP_SERVER_CONNECT:
 878                         if (thePrefs::GetNetworkED2K()) {
 879                                 if ( srv ) {
 880                                         theApp->serverconnect->ConnectToServer(srv);
 881                                         response = new CECPacket(EC_OP_NOOP);
 882                                 } else {
 883                                         theApp->serverconnect->ConnectToAnyServer();
 884                                         response = new CECPacket(EC_OP_NOOP);
 885                                 }
 886                         } else {
 887                                 response = new CECPacket(EC_OP_FAILED);
 888                                 response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("eD2k is disabled in preferences.")));
 889                         }
 890                         break;
 891         }
 892         if (!response) {
 893                 response = new CECPacket(EC_OP_FAILED);
 894                 response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("OOPS! OpCode processing error!")));
 895         }
 896         return response;
 897 }
 898
 899 static CECPacket *Get_EC_Response_Search_Results(const CECPacket *request)
 900 {
 901         CECPacket *response = new CECPacket(EC_OP_SEARCH_RESULTS);
 902
 903         EC_DETAIL_LEVEL detail_level = request->GetDetailLevel();
 904         //
 905         // request can contain list of queried items
 906         CTagSet<uint32, EC_TAG_SEARCHFILE> queryitems(request);
 907
 908         const CSearchResultList& list = theApp->searchlist->GetSearchResults(0xffffffff);
 909         CSearchResultList::const_iterator it = list.begin();
 910         while (it != list.end()) {
 911                 CSearchFile* sf = *it++;
 912                 if ( !queryitems.empty() && !queryitems.count(sf->ECID()) ) {
 913                         continue;
 914                 }
 915                 response->AddTag(CEC_SearchFile_Tag(sf, detail_level));
 916         }
 917         return response;
 918 }
 919
 920 static CECPacket *Get_EC_Response_Search_Results(CObjTagMap &tagmap)
 921 {
 922         CECPacket *response = new CECPacket(EC_OP_SEARCH_RESULTS);
 923
 924         const CSearchResultList& list = theApp->searchlist->GetSearchResults(0xffffffff);
 925         CSearchResultList::const_iterator it = list.begin();
 926         while (it != list.end()) {
 927                 CSearchFile* sf = *it++;
 928                 CValueMap &valuemap = tagmap.GetValueMap(sf->ECID());
 929                 response->AddTag(CEC_SearchFile_Tag(sf, EC_DETAIL_INC_UPDATE, &valuemap));
 930                 /* Here we could add the children, if amulegui were able to merge them.
 931                 if (sf->HasChildren()) {
 932                         const CSearchResultList& children = sf->GetChildren();
 933                         for (size_t i = 0; i < children.size(); ++i) {
 934                                 CSearchFile* sfc = children.at(i);
 935                                 CValueMap &valuemap1 = tagmap.GetValueMap(sfc->ECID());
 936                                 response->AddTag(CEC_SearchFile_Tag(sfc, EC_DETAIL_INC_UPDATE, &valuemap1));
 937                         }
 938                 }
 939                 */
 940         }
 941         return response;
 942 }
 943
 944 static CECPacket *Get_EC_Response_Search_Results_Download(const CECPacket *request)
 945 {
 946         CECPacket *response = new CECPacket(EC_OP_STRINGS);
 947         for (CECPacket::const_iterator it = request->begin(); it != request->end(); it++) {
 948                 const CECTag &tag = *it;
 949                 CMD4Hash hash = tag.GetMD4Data();
 950                 uint8 category = tag.GetFirstTagSafe()->GetInt();
 951                 theApp->searchlist->AddFileToDownloadByHash(hash, category);
 952         }
 953         return response;
 954 }
 955
 956 static CECPacket *Get_EC_Response_Search_Stop(const CECPacket *WXUNUSED(request))
 957 {
 958         CECPacket *reply = new CECPacket(EC_OP_MISC_DATA);
 959         theApp->searchlist->StopGlobalSearch();
 960         return reply;
 961 }
 962
 963 static CECPacket *Get_EC_Response_Search(const CECPacket *request)
 964 {
 965         wxString response;
 966
 967         CEC_Search_Tag *search_request = (CEC_Search_Tag *)request->GetFirstTagSafe();
 968         theApp->searchlist->RemoveResults(0xffffffff);
 969
 970         CSearchList::CSearchParams params;
 971         params.searchString     = search_request->SearchText();
 972         params.typeText         = search_request->SearchFileType();
 973         params.extension        = search_request->SearchExt();
 974         params.minSize          = search_request->MinSize();
 975         params.maxSize          = search_request->MaxSize();
 976         params.availability     = search_request->Avail();
 977
 978
 979         EC_SEARCH_TYPE search_type = search_request->SearchType();
 980         SearchType core_search_type = LocalSearch;
 981         switch (search_type) {
 982                 case EC_SEARCH_GLOBAL:
 983                         core_search_type = GlobalSearch;
 984                 case EC_SEARCH_KAD:
 985                         if (core_search_type != GlobalSearch) { // Not a global search obviously
 986                                 core_search_type = KadSearch;
 987                         }
 988                 case EC_SEARCH_LOCAL: {
 989                         uint32 search_id = 0xffffffff;
 990                         wxString error = theApp->searchlist->StartNewSearch(&search_id, core_search_type, params);
 991                         if (!error.IsEmpty()) {
 992                                 response = error;
 993                         } else {
 994                                 response = wxTRANSLATE("Search in progress. Refetch results in a moment!");
 995                         }
 996                         break;
 997                 }
 998                 case EC_SEARCH_WEB:
 999                                 response = wxTRANSLATE("WebSearch from remote interface makes no sense.");
1000                         break;
1001         }
1002
1003         CECPacket *reply = new CECPacket(EC_OP_FAILED);
1004         // error or search in progress
1005         reply->AddTag(CECTag(EC_TAG_STRING, response));
1006
1007         return reply;
1008 }
1009
1010 static CECPacket *Get_EC_Response_Set_SharedFile_Prio(const CECPacket *request)
1011 {
1012         CECPacket *response = new CECPacket(EC_OP_NOOP);
1013         for (CECPacket::const_iterator it = request->begin(); it != request->end(); it++) {
1014                 const CECTag &tag = *it;
1015                 CMD4Hash hash = tag.GetMD4Data();
1016                 uint8 prio = tag.GetFirstTagSafe()->GetInt();
1017                 CKnownFile* cur_file = theApp->sharedfiles->GetFileByID(hash);
1018                 if ( !cur_file ) {
1019                         continue;
1020                 }
1021                 if (prio == PR_AUTO) {
1022                         cur_file->SetAutoUpPriority(1);
1023                         cur_file->UpdateAutoUpPriority();
1024                 } else {
1025                         cur_file->SetAutoUpPriority(0);
1026                         cur_file->SetUpPriority(prio);
1027                 }
1028                 Notify_SharedFilesUpdateItem(cur_file);
1029         }
1030
1031         return response;
1032 }
1033
1034 static CECPacket *Get_EC_Response_Kad_Connect(const CECPacket *request)
1035 {
1036         CECPacket *response;
1037         if (thePrefs::GetNetworkKademlia()) {
1038                 response = new CECPacket(EC_OP_NOOP);
1039                 if ( !Kademlia::CKademlia::IsRunning() ) {
1040                         Kademlia::CKademlia::Start();
1041                         theApp->ShowConnectionState();
1042                 }
1043                 const CECTag *addrtag = request->GetFirstTagSafe();
1044                 if ( addrtag ) {
1045                         uint32 ip = addrtag->GetIPv4Data().IP();
1046                         uint16 port = addrtag->GetIPv4Data().m_port;
1047                         Kademlia::CKademlia::Bootstrap(ip, port, true);
1048                 }
1049         } else {
1050                 response = new CECPacket(EC_OP_FAILED);
1051                 response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Kad is disabled in preferences.")));
1052         }
1053
1054         return response;
1055 }
1056
1057 void CPartFile_Encoder::Encode(CECTag *parent)
1058 {
1059         //
1060         // Source part frequencies
1061         //
1062         CKnownFile_Encoder::Encode(parent);
1063
1064         //
1065         // Gaps
1066         //
1067         const CGapList& gaplist = m_PartFile()->GetGapList();
1068         const size_t gap_list_size = gaplist.size();
1069         ArrayOfUInts64 gaps;
1070         gaps.reserve(gap_list_size * 2);
1071
1072         for (CGapList::const_iterator curr_pos = gaplist.begin();
1073                         curr_pos != gaplist.end(); ++curr_pos) {
1074                 gaps.push_back(curr_pos.start());
1075                 gaps.push_back(curr_pos.end());
1076         }
1077
1078         int gap_enc_size = 0;
1079         bool changed;
1080         const uint8 *gap_enc_data = m_gap_status.Encode(gaps, gap_enc_size, changed);
1081         if (changed) {
1082                 parent->AddTag(CECTag(EC_TAG_PARTFILE_GAP_STATUS, gap_enc_size, (void *)gap_enc_data));
1083         }
1084         delete[] gap_enc_data;
1085
1086         //
1087         // Requested blocks
1088         //
1089         ArrayOfUInts64 req_buffer;
1090         const CPartFile::CReqBlockPtrList& requestedblocks = m_PartFile()->GetRequestedBlockList();
1091         CPartFile::CReqBlockPtrList::const_iterator curr_pos2 = requestedblocks.begin();
1092
1093         for ( ; curr_pos2 != requestedblocks.end(); ++curr_pos2 ) {
1094                 Requested_Block_Struct* block = *curr_pos2;
1095                 req_buffer.push_back(block->StartOffset);
1096                 req_buffer.push_back(block->EndOffset);
1097         }
1098         int req_enc_size = 0;
1099         const uint8 *req_enc_data = m_req_status.Encode(req_buffer, req_enc_size, changed);
1100         if (changed) {
1101                 parent->AddTag(CECTag(EC_TAG_PARTFILE_REQ_STATUS, req_enc_size, (void *)req_enc_data));
1102         }
1103         delete[] req_enc_data;
1104
1105         //
1106         // Source names
1107         //
1108         // First count occurrence of all source names
1109         //
1110         CECEmptyTag sourceNames(EC_TAG_PARTFILE_SOURCE_NAMES);
1111         typedef std::map<wxString, int> strIntMap;
1112         strIntMap nameMap;
1113         const CPartFile::SourceSet &sources = m_PartFile()->GetSourceList();
1114         for (CPartFile::SourceSet::const_iterator it = sources.begin(); it != sources.end(); ++it) {
1115                 CUpDownClient *cur_src = *it;
1116                 if (cur_src->GetRequestFile() != m_file || cur_src->GetClientFilename().Length() == 0) {
1117                         continue;
1118                 }
1119                 const wxString &name = cur_src->GetClientFilename();
1120                 strIntMap::iterator itm = nameMap.find(name);
1121                 if (itm == nameMap.end()) {
1122                         nameMap[name] = 1;
1123                 } else {
1124                         itm->second++;
1125                 }
1126         }
1127         //
1128         // Go through our last list
1129         //
1130         for (SourcenameItemMap::iterator it1 = m_sourcenameItemMap.begin(); it1 != m_sourcenameItemMap.end();) {
1131                 SourcenameItemMap::iterator it2 = it1++;
1132                 strIntMap::iterator itm = nameMap.find(it2->second.name);
1133                 if (itm == nameMap.end()) {
1134                         // name doesn't exist anymore, tell client to forget it
1135                         CECTag tag(EC_TAG_PARTFILE_SOURCE_NAMES, it2->first);
1136                         tag.AddTag(CECIntTag(EC_TAG_PARTFILE_SOURCE_NAMES_COUNTS, 0));
1137                         sourceNames.AddTag(tag);
1138                         // and forget it
1139                         m_sourcenameItemMap.erase(it2);
1140                 } else {
1141                         // update count if it changed
1142                         if (it2->second.count != itm->second) {
1143                                 CECTag tag(EC_TAG_PARTFILE_SOURCE_NAMES, it2->first);
1144                                 tag.AddTag(CECIntTag(EC_TAG_PARTFILE_SOURCE_NAMES_COUNTS, itm->second));
1145                                 sourceNames.AddTag(tag);
1146                                 it2->second.count = itm->second;
1147                         }
1148                         // remove it from nameMap so that only new names are left there
1149                         nameMap.erase(itm);
1150                 }
1151         }
1152         //
1153         // Add new names
1154         //
1155         for (strIntMap::iterator it3 = nameMap.begin(); it3 != nameMap.end(); it3++) {
1156                 int id = ++m_sourcenameID;
1157                 CECIntTag tag(EC_TAG_PARTFILE_SOURCE_NAMES, id);
1158                 tag.AddTag(CECTag(EC_TAG_PARTFILE_SOURCE_NAMES, it3->first));
1159                 tag.AddTag(CECIntTag(EC_TAG_PARTFILE_SOURCE_NAMES_COUNTS, it3->second));
1160                 sourceNames.AddTag(tag);
1161                 // remember it
1162                 m_sourcenameItemMap[id] = SourcenameItem(it3->first, it3->second);
1163         }
1164         if (sourceNames.HasChildTags()) {
1165                 parent->AddTag(sourceNames);
1166         }
1167
1168 }
1169
1170 void CPartFile_Encoder::ResetEncoder()
1171 {
1172         CKnownFile_Encoder::ResetEncoder();
1173         m_gap_status.ResetEncoder();
1174         m_req_status.ResetEncoder();
1175 }
1176
1177 void CKnownFile_Encoder::Encode(CECTag *parent)
1178 {
1179         //
1180         // Source part frequencies
1181         //
1182         // Reference to the availability list
1183         const ArrayOfUInts16& list = m_file->IsPartFile() ?
1184                 ((CPartFile*)m_file)->m_SrcpartFrequency :
1185                 m_file->m_AvailPartFrequency;
1186         // Don't add tag if available parts aren't populated yet.
1187         if (!list.empty()) {
1188                 int part_enc_size;
1189                 bool changed;
1190                 const uint8 *part_enc_data = m_enc_data.Encode(list, part_enc_size, changed);
1191                 if (changed) {
1192                         parent->AddTag(CECTag(EC_TAG_PARTFILE_PART_STATUS, part_enc_size, part_enc_data));
1193                 }
1194                 delete[] part_enc_data;
1195         }
1196 }
1197
1198 static CECPacket *GetStatsGraphs(const CECPacket *request)
1199 {
1200         CECPacket *response = NULL;
1201
1202         switch (request->GetDetailLevel()) {
1203                 case EC_DETAIL_WEB:
1204                 case EC_DETAIL_FULL: {
1205                         double dTimestamp = 0.0;
1206                         if (request->GetTagByName(EC_TAG_STATSGRAPH_LAST) != NULL) {
1207                                 dTimestamp = request->GetTagByName(EC_TAG_STATSGRAPH_LAST)->GetDoubleData();
1208                         }
1209                         uint16 nScale = request->GetTagByNameSafe(EC_TAG_STATSGRAPH_SCALE)->GetInt();
1210                         uint16 nMaxPoints = request->GetTagByNameSafe(EC_TAG_STATSGRAPH_WIDTH)->GetInt();
1211                         uint32 *graphData;
1212                         unsigned int numPoints = theApp->m_statistics->GetHistoryForWeb(nMaxPoints, (double)nScale, &dTimestamp, &graphData);
1213                         if (numPoints) {
1214                                 response = new CECPacket(EC_OP_STATSGRAPHS);
1215                                 response->AddTag(CECTag(EC_TAG_STATSGRAPH_DATA, 4 * numPoints * sizeof(uint32), graphData));
1216                                 delete [] graphData;
1217                                 response->AddTag(CECTag(EC_TAG_STATSGRAPH_LAST, dTimestamp));
1218                         } else {
1219                                 response = new CECPacket(EC_OP_FAILED);
1220                                 response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("No points for graph.")));
1221                         }
1222                         break;
1223                 }
1224                 case EC_DETAIL_INC_UPDATE:
1225                 case EC_DETAIL_UPDATE:
1226                 case EC_DETAIL_CMD:
1227                         // No graphs
1228                         response = new CECPacket(EC_OP_FAILED);
1229                         response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Your client is not configured for this detail level.")));
1230                         break;
1231         }
1232         if (!response) {
1233                 response = new CECPacket(EC_OP_FAILED);
1234                 // Unknown reason
1235         }
1236
1237         return response;
1238 }
1239
1240 CECPacket *CECServerSocket::ProcessRequest2(const CECPacket *request)
1241 {
1242
1243         if ( !request ) {
1244                 return 0;
1245         }
1246
1247         CECPacket *response = NULL;
1248
1249         switch (request->GetOpCode()) {
1250                 //
1251                 // Misc commands
1252                 //
1253                 case EC_OP_SHUTDOWN:
1254                         if (!theApp->IsOnShutDown()) {
1255                                 response = new CECPacket(EC_OP_NOOP);
1256                                 AddLogLineM(true, _("External Connection: shutdown requested"));
1257 #ifndef AMULE_DAEMON
1258                                 {
1259                                         wxCloseEvent evt;
1260                                         evt.SetCanVeto(false);
1261                                         theApp->ShutDown(evt);
1262                                 }
1263 #else
1264                                 theApp->ExitMainLoop();
1265 #endif
1266                         } else {
1267                                 response = new CECPacket(EC_OP_FAILED);
1268                                 response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Already shutting down.")));
1269                         }
1270                         break;
1271                 case EC_OP_ADD_LINK:
1272                         for (CECPacket::const_iterator it = request->begin(); it != request->end(); it++) {
1273                                 const CECTag &tag = *it;
1274                                 wxString link = tag.GetStringData();
1275                                 int category = 0;
1276                                 const CECTag *cattag = tag.GetTagByName(EC_TAG_PARTFILE_CAT);
1277                                 if (cattag) {
1278                                         category = cattag->GetInt();
1279                                 }
1280                                 AddLogLineM(true, CFormat(_("ExternalConn: adding link '%s'.")) % link);
1281                                 if ( theApp->downloadqueue->AddLink(link, category) ) {
1282                                         response = new CECPacket(EC_OP_NOOP);
1283                                 } else {
1284                                         // Error messages are printed by the add function.
1285                                         response = new CECPacket(EC_OP_FAILED);
1286                                         response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Invalid link or already on list.")));
1287                                 }
1288                         }
1289                         break;
1290                 //
1291                 // Status requests
1292                 //
1293                 case EC_OP_STAT_REQ:
1294                         response = Get_EC_Response_StatRequest(request, m_LoggerAccess);
1295                         response->AddTag(CEC_ConnState_Tag(request->GetDetailLevel()));
1296                         break;
1297                 case EC_OP_GET_CONNSTATE:
1298                         response = new CECPacket(EC_OP_MISC_DATA);
1299                         response->AddTag(CEC_ConnState_Tag(request->GetDetailLevel()));
1300                         break;
1301                 //
1302                 //
1303                 //
1304                 case EC_OP_GET_SHARED_FILES:
1305                         if ( request->GetDetailLevel() != EC_DETAIL_INC_UPDATE ) {
1306                                 response = Get_EC_Response_GetSharedFiles(request, m_FileEncoder);
1307                         }
1308                         break;
1309                 case EC_OP_GET_DLOAD_QUEUE:
1310                         if ( request->GetDetailLevel() != EC_DETAIL_INC_UPDATE ) {
1311                                 response = Get_EC_Response_GetDownloadQueue(request, m_FileEncoder);
1312                         }
1313                         break;
1314                 //
1315                 // This will evolve into an update-all for inc tags
1316                 //
1317                 case EC_OP_GET_UPDATE:
1318                         if ( request->GetDetailLevel() == EC_DETAIL_INC_UPDATE ) {
1319                                 response = Get_EC_Response_GetUpdate(m_FileEncoder, m_obj_tagmap);
1320                         }
1321                         break;
1322                 case EC_OP_GET_ULOAD_QUEUE:
1323                         response = Get_EC_Response_GetClientQueue(request, m_obj_tagmap, EC_OP_ULOAD_QUEUE);
1324                         break;
1325                 case EC_OP_PARTFILE_REMOVE_NO_NEEDED:
1326                 case EC_OP_PARTFILE_REMOVE_FULL_QUEUE:
1327                 case EC_OP_PARTFILE_REMOVE_HIGH_QUEUE:
1328                 case EC_OP_PARTFILE_CLEANUP_SOURCES:
1329                 case EC_OP_PARTFILE_SWAP_A4AF_THIS:
1330                 case EC_OP_PARTFILE_SWAP_A4AF_THIS_AUTO:
1331                 case EC_OP_PARTFILE_SWAP_A4AF_OTHERS:
1332                 case EC_OP_PARTFILE_PAUSE:
1333                 case EC_OP_PARTFILE_RESUME:
1334                 case EC_OP_PARTFILE_STOP:
1335                 case EC_OP_PARTFILE_PRIO_SET:
1336                 case EC_OP_PARTFILE_DELETE:
1337                 case EC_OP_PARTFILE_SET_CAT:
1338                         response = Get_EC_Response_PartFile_Cmd(request);
1339                         break;
1340                 case EC_OP_SHAREDFILES_RELOAD:
1341                         theApp->sharedfiles->Reload();
1342                         response = new CECPacket(EC_OP_NOOP);
1343                         break;
1344                 case EC_OP_SHARED_SET_PRIO:
1345                         response = Get_EC_Response_Set_SharedFile_Prio(request);
1346                         break;
1347                 case EC_OP_RENAME_FILE: {
1348                         CMD4Hash fileHash = request->GetTagByNameSafe(EC_TAG_KNOWNFILE)->GetMD4Data();
1349                         CKnownFile* file = theApp->knownfiles->FindKnownFileByID(fileHash);
1350                         wxString newName = request->GetTagByNameSafe(EC_TAG_PARTFILE_NAME)->GetStringData();
1351                         if (!file) {
1352                                 file = theApp->downloadqueue->GetFileByID(fileHash);
1353                         }
1354                         if (!file) {
1355                                 response = new CECPacket(EC_OP_FAILED);
1356                                 response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("File not found.")));
1357                                 break;
1358                         }
1359                         if (newName.IsEmpty()) {
1360                                 response = new CECPacket(EC_OP_FAILED);
1361                                 response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Invalid file name.")));
1362                                 break;
1363                         }
1364
1365                         if (theApp->sharedfiles->RenameFile(file, CPath(newName))) {
1366                                 response = new CECPacket(EC_OP_NOOP);
1367                         } else {
1368                                 response = new CECPacket(EC_OP_FAILED);
1369                                 response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Unable to rename file.")));
1370                         }
1371
1372                         break;
1373                 }
1374
1375
1376                 //
1377                 // Server commands
1378                 //
1379                 case EC_OP_SERVER_ADD:
1380                         response = Get_EC_Response_Server_Add(request);
1381                         break;
1382                 case EC_OP_SERVER_DISCONNECT:
1383                 case EC_OP_SERVER_CONNECT:
1384                 case EC_OP_SERVER_REMOVE:
1385                         response = Get_EC_Response_Server(request);
1386                         break;
1387                 case EC_OP_GET_SERVER_LIST: {
1388                                 response = new CECPacket(EC_OP_SERVER_LIST);
1389                                 if (!thePrefs::GetNetworkED2K()) {
1390                                         // Kad only: just send an empty list
1391                                         break;
1392                                 }
1393                                 EC_DETAIL_LEVEL detail_level = request->GetDetailLevel();
1394                                 std::vector<const CServer*> servers = theApp->serverlist->CopySnapshot();
1395                                 for (
1396                                         std::vector<const CServer*>::const_iterator it = servers.begin();
1397                                         it != servers.end();
1398                                         ++it
1399                                         ) {
1400                                         response->AddTag(CEC_Server_Tag(*it, detail_level));
1401                                 }
1402                         }
1403                         break;
1404                 case EC_OP_SERVER_UPDATE_FROM_URL: {
1405                         wxString url = request->GetFirstTagSafe()->GetStringData();
1406
1407                         // Save the new url, and update the UI (if not amuled).
1408                         Notify_ServersURLChanged(url);
1409                         thePrefs::SetEd2kServersUrl(url);
1410
1411                         theApp->serverlist->UpdateServerMetFromURL(url);
1412                         response = new CECPacket(EC_OP_NOOP);
1413                         break;
1414                 }
1415                 //
1416                 // IPFilter
1417                 //
1418                 case EC_OP_IPFILTER_RELOAD:
1419                         theApp->ipfilter->Reload();
1420                         response = new CECPacket(EC_OP_NOOP);
1421                         break;
1422
1423                 case EC_OP_IPFILTER_UPDATE: {
1424                         wxString url = request->GetFirstTagSafe()->GetStringData();
1425                         if (url == wxEmptyString) {
1426                                 url = thePrefs::IPFilterURL();
1427                         }
1428                         theApp->ipfilter->Update(url);
1429                         response = new CECPacket(EC_OP_NOOP);
1430                         break;
1431                 }
1432                 //
1433                 // Search
1434                 //
1435                 case EC_OP_SEARCH_START:
1436                         response = Get_EC_Response_Search(request);
1437                         break;
1438
1439                 case EC_OP_SEARCH_STOP:
1440                         response = Get_EC_Response_Search_Stop(request);
1441                         break;
1442
1443                 case EC_OP_SEARCH_RESULTS:
1444                         if ( request->GetDetailLevel() == EC_DETAIL_INC_UPDATE ) {
1445                                 response = Get_EC_Response_Search_Results(m_obj_tagmap);
1446                         } else {
1447                                 response = Get_EC_Response_Search_Results(request);
1448                         }
1449                         break;
1450
1451                 case EC_OP_SEARCH_PROGRESS:
1452                         response = new CECPacket(EC_OP_SEARCH_PROGRESS);
1453                         response->AddTag(CECTag(EC_TAG_SEARCH_STATUS,
1454                                 theApp->searchlist->GetSearchProgress()));
1455                         break;
1456
1457                 case EC_OP_DOWNLOAD_SEARCH_RESULT:
1458                         response = Get_EC_Response_Search_Results_Download(request);
1459                         break;
1460                 //
1461                 // Preferences
1462                 //
1463                 case EC_OP_GET_PREFERENCES:
1464                         response = new CEC_Prefs_Packet(request->GetTagByNameSafe(EC_TAG_SELECT_PREFS)->GetInt(), request->GetDetailLevel());
1465                         break;
1466                 case EC_OP_SET_PREFERENCES:
1467                         ((CEC_Prefs_Packet *)request)->Apply();
1468                         theApp->glob_prefs->Save();
1469                         if (thePrefs::IsFilteringClients()) {
1470                                 theApp->clientlist->FilterQueues();
1471                         }
1472                         if (thePrefs::IsFilteringServers()) {
1473                                 theApp->serverlist->FilterServers();
1474                         }
1475                         if (!thePrefs::GetNetworkED2K() && theApp->IsConnectedED2K()) {
1476                                 theApp->DisconnectED2K();
1477                         }
1478                         if (!thePrefs::GetNetworkKademlia() && theApp->IsConnectedKad()) {
1479                                 theApp->StopKad();
1480                         }
1481                         response = new CECPacket(EC_OP_NOOP);
1482                         break;
1483
1484                 case EC_OP_CREATE_CATEGORY:
1485                         if ( request->GetTagCount() == 1 ) {
1486                                 CEC_Category_Tag *tag = (CEC_Category_Tag *)request->GetFirstTagSafe();
1487                                 if (tag->Create()) {
1488                                         response = new CECPacket(EC_OP_NOOP);
1489                                 } else {
1490                                         response = new CECPacket(EC_OP_FAILED);
1491                                         response->AddTag(CECTag(EC_TAG_CATEGORY, theApp->glob_prefs->GetCatCount() - 1));
1492                                         response->AddTag(CECTag(EC_TAG_CATEGORY_PATH, tag->Path()));
1493                                 }
1494                                 Notify_CategoryAdded();
1495                         } else {
1496                                 response = new CECPacket(EC_OP_NOOP);
1497                         }
1498                         break;
1499                 case EC_OP_UPDATE_CATEGORY:
1500                         if ( request->GetTagCount() == 1 ) {
1501                                 CEC_Category_Tag *tag = (CEC_Category_Tag *)request->GetFirstTagSafe();
1502                                 if (tag->Apply()) {
1503                                         response = new CECPacket(EC_OP_NOOP);
1504                                 } else {
1505                                         response = new CECPacket(EC_OP_FAILED);
1506                                         response->AddTag(CECTag(EC_TAG_CATEGORY, tag->GetInt()));
1507                                         response->AddTag(CECTag(EC_TAG_CATEGORY_PATH, tag->Path()));
1508                                 }
1509                                 Notify_CategoryUpdate(tag->GetInt());
1510                         } else {
1511                                 response = new CECPacket(EC_OP_NOOP);
1512                         }
1513                         break;
1514                 case EC_OP_DELETE_CATEGORY:
1515                         if ( request->GetTagCount() == 1 ) {
1516                                 uint32 cat = request->GetFirstTagSafe()->GetInt();
1517                                 // this noes not only update the gui, but actually deletes the cat
1518                                 Notify_CategoryDelete(cat);
1519                         }
1520                         response = new CECPacket(EC_OP_NOOP);
1521                         break;
1522
1523                 //
1524                 // Logging
1525                 //
1526                 case EC_OP_ADDLOGLINE:
1527                         AddLogLineM( (request->GetTagByName(EC_TAG_LOG_TO_STATUS) != NULL), request->GetTagByNameSafe(EC_TAG_STRING)->GetStringData() );
1528                         response = new CECPacket(EC_OP_NOOP);
1529                         break;
1530                 case EC_OP_ADDDEBUGLOGLINE:
1531                         AddDebugLogLineM( (request->GetTagByName(EC_TAG_LOG_TO_STATUS) != NULL), logGeneral, request->GetTagByNameSafe(EC_TAG_STRING)->GetStringData() );
1532                         response = new CECPacket(EC_OP_NOOP);
1533                         break;
1534                 case EC_OP_GET_LOG:
1535                         response = new CECPacket(EC_OP_LOG);
1536                         response->AddTag(CECTag(EC_TAG_STRING, theApp->GetLog(false)));
1537                         break;
1538                 case EC_OP_GET_DEBUGLOG:
1539                         response = new CECPacket(EC_OP_DEBUGLOG);
1540                         response->AddTag(CECTag(EC_TAG_STRING, theApp->GetDebugLog(false)));
1541                         break;
1542                 case EC_OP_RESET_LOG:
1543                         theApp->GetLog(true);
1544                         response = new CECPacket(EC_OP_NOOP);
1545                         break;
1546                 case EC_OP_RESET_DEBUGLOG:
1547                         theApp->GetDebugLog(true);
1548                         response = new CECPacket(EC_OP_NOOP);
1549                         break;
1550                 case EC_OP_GET_LAST_LOG_ENTRY:
1551                         {
1552                                 wxString tmp = theApp->GetLog(false);
1553                                 if (tmp.Last() == '\n') {
1554                                         tmp.RemoveLast();
1555                                 }
1556                                 response = new CECPacket(EC_OP_LOG);
1557                                 response->AddTag(CECTag(EC_TAG_STRING, tmp.AfterLast('\n')));
1558                         }
1559                         break;
1560                 case EC_OP_GET_SERVERINFO:
1561                         response = new CECPacket(EC_OP_SERVERINFO);
1562                         response->AddTag(CECTag(EC_TAG_STRING, theApp->GetServerLog(false)));
1563                         break;
1564                 case EC_OP_CLEAR_SERVERINFO:
1565                         theApp->GetServerLog(true);
1566                         response = new CECPacket(EC_OP_NOOP);
1567                         break;
1568                 //
1569                 // Statistics
1570                 //
1571                 case EC_OP_GET_STATSGRAPHS:
1572                         response = GetStatsGraphs(request);
1573                         break;
1574                 case EC_OP_GET_STATSTREE: {
1575                         theApp->m_statistics->UpdateStatsTree();
1576                         response = new CECPacket(EC_OP_STATSTREE);
1577                         CECTag* tree = theStats::GetECStatTree(request->GetTagByNameSafe(EC_TAG_STATTREE_CAPPING)->GetInt());
1578                         if (tree) {
1579                                 response->AddTag(*tree);
1580                                 delete tree;
1581                         }
1582                         if (request->GetDetailLevel() == EC_DETAIL_WEB) {
1583                                 response->AddTag(CECTag(EC_TAG_SERVER_VERSION, wxT(VERSION)));
1584                                 response->AddTag(CECTag(EC_TAG_USER_NICK, thePrefs::GetUserNick()));
1585                         }
1586                         break;
1587                 }
1588
1589                 //
1590                 // Kad
1591                 //
1592                 case EC_OP_KAD_START:
1593                         response = Get_EC_Response_Kad_Connect(request);
1594                         break;
1595                 case EC_OP_KAD_STOP:
1596                         theApp->StopKad();
1597                         response = new CECPacket(EC_OP_NOOP);
1598                         break;
1599                 case EC_OP_KAD_UPDATE_FROM_URL: {
1600                         wxString url = request->GetFirstTagSafe()->GetStringData();
1601
1602                         // Save the new url, and update the UI (if not amuled).
1603                         Notify_NodesURLChanged(url);
1604                         thePrefs::SetKadNodesUrl(url);
1605
1606                         theApp->UpdateNotesDat(url);
1607                         response = new CECPacket(EC_OP_NOOP);
1608                         break;
1609                 }
1610                 case EC_OP_KAD_BOOTSTRAP_FROM_IP:
1611                         theApp->BootstrapKad(request->GetTagByNameSafe(EC_TAG_BOOTSTRAP_IP)->GetInt(),
1612                                              request->GetTagByNameSafe(EC_TAG_BOOTSTRAP_PORT)->GetInt());
1613                         response = new CECPacket(EC_OP_NOOP);
1614                         break;
1615
1616                 //
1617                 // Networks
1618                 //
1619                 case EC_OP_CONNECT:
1620                         if (thePrefs::GetNetworkED2K()) {
1621                                 response = new CECPacket(EC_OP_STRINGS);
1622                                 if (theApp->IsConnectedED2K()) {
1623                                         response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Already connected to eD2k.")));
1624                                 } else {
1625                                         theApp->serverconnect->ConnectToAnyServer();
1626                                         response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Connecting to eD2k...")));
1627                                 }
1628                         }
1629                         if (thePrefs::GetNetworkKademlia()) {
1630                                 if (!response) {
1631                                         response = new CECPacket(EC_OP_STRINGS);
1632                                 }
1633                                 if (theApp->IsConnectedKad()) {
1634                                         response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Already connected to Kad.")));
1635                                 } else {
1636                                         theApp->StartKad();
1637                                         response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Connecting to Kad...")));
1638                                 }
1639                         }
1640                         if (!response) {
1641                                 response = new CECPacket(EC_OP_FAILED);
1642                                 response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("All networks are disabled.")));
1643                         }
1644                         break;
1645                 case EC_OP_DISCONNECT:
1646                         if (theApp->IsConnected()) {
1647                                 response = new CECPacket(EC_OP_STRINGS);
1648                                 if (theApp->IsConnectedED2K()) {
1649                                         theApp->serverconnect->Disconnect();
1650                                         response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Disconnected from eD2k.")));
1651                                 }
1652                                 if (theApp->IsConnectedKad()) {
1653                                         theApp->StopKad();
1654                                         response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Disconnected from Kad.")));
1655                                 }
1656                         } else {
1657                                 response = new CECPacket(EC_OP_NOOP);
1658                         }
1659                         break;
1660         }
1661         if (!response) {
1662                 AddLogLineM(false, wxString::Format(_("External Connection: invalid opcode received: %#x"), request->GetOpCode()));
1663                 wxFAIL;
1664                 response = new CECPacket(EC_OP_FAILED);
1665                 response->AddTag(CECTag(EC_TAG_STRING, wxTRANSLATE("Invalid opcode (wrong protocol version?)")));
1666         }
1667         return response;
1668 }
1669
1670 /*
1671  * Here notification-based EC. Notification will be sorted by priority for possible throttling.
1672  */
1673
1674 /*
1675  * Core general status
1676  */
1677 ECStatusMsgSource::ECStatusMsgSource()
1678 {
1679         m_last_ed2k_status_sent = 0xffffffff;
1680         m_last_kad_status_sent = 0xffffffff;
1681         m_server = (void *)0xffffffff;
1682 }
1683
1684 uint32 ECStatusMsgSource::GetEd2kStatus()
1685 {
1686         if ( theApp->IsConnectedED2K() ) {
1687                 return theApp->GetED2KID();
1688         } else if ( theApp->serverconnect->IsConnecting() ) {
1689                 return 1;
1690         } else {
1691                 return 0;
1692         }
1693 }
1694
1695 uint32 ECStatusMsgSource::GetKadStatus()
1696 {
1697         if ( theApp->IsConnectedKad() ) {
1698                 return 1;
1699         } else if ( Kademlia::CKademlia::IsFirewalled() ) {
1700                 return 2;
1701         } else if ( Kademlia::CKademlia::IsRunning() ) {
1702                 return 3;
1703         }
1704         return 0;
1705 }
1706
1707 CECPacket *ECStatusMsgSource::GetNextPacket()
1708 {
1709         if ( (m_last_ed2k_status_sent != GetEd2kStatus()) ||
1710                 (m_last_kad_status_sent != GetKadStatus()) ||
1711                 (m_server != theApp->serverconnect->GetCurrentServer()) ) {
1712
1713                 m_last_ed2k_status_sent = GetEd2kStatus();
1714                 m_last_kad_status_sent = GetKadStatus();
1715                 m_server = theApp->serverconnect->GetCurrentServer();
1716
1717                 CECPacket *response = new CECPacket(EC_OP_STATS);
1718                 response->AddTag(CEC_ConnState_Tag(EC_DETAIL_UPDATE));
1719                 return response;
1720         }
1721         return 0;
1722 }
1723
1724 /*
1725  * Downloading files
1726 */
1727 ECPartFileMsgSource::ECPartFileMsgSource()
1728 {
1729         for (unsigned int i = 0; i < theApp->downloadqueue->GetFileCount(); i++) {
1730                 CPartFile *cur_file = theApp->downloadqueue->GetFileByIndex(i);
1731                 PARTFILE_STATUS status = { true, false, false, false, true, cur_file };
1732                 m_dirty_status[cur_file->GetFileHash()] = status;
1733         }
1734 }
1735
1736 void ECPartFileMsgSource::SetDirty(CPartFile *file)
1737 {
1738         CMD4Hash filehash = file->GetFileHash();
1739         if ( m_dirty_status.find(filehash) != m_dirty_status.end() ) {
1740                 m_dirty_status[filehash].m_dirty = true;;
1741         }
1742 }
1743
1744 void ECPartFileMsgSource::SetNew(CPartFile *file)
1745 {
1746         CMD4Hash filehash = file->GetFileHash();
1747         wxASSERT ( m_dirty_status.find(filehash) == m_dirty_status.end() );
1748         PARTFILE_STATUS status = { true, false, false, false, true, file };
1749         m_dirty_status[filehash] = status;
1750 }
1751
1752 void ECPartFileMsgSource::SetCompleted(CPartFile *file)
1753 {
1754         CMD4Hash filehash = file->GetFileHash();
1755         wxASSERT ( m_dirty_status.find(filehash) != m_dirty_status.end() );
1756
1757         m_dirty_status[filehash].m_finished = true;
1758 }
1759
1760 void ECPartFileMsgSource::SetRemoved(CPartFile *file)
1761 {
1762         CMD4Hash filehash = file->GetFileHash();
1763         wxASSERT ( m_dirty_status.find(filehash) != m_dirty_status.end() );
1764
1765         m_dirty_status[filehash].m_removed = true;
1766 }
1767
1768 CECPacket *ECPartFileMsgSource::GetNextPacket()
1769 {
1770         for(std::map<CMD4Hash, PARTFILE_STATUS>::iterator it = m_dirty_status.begin();
1771                 it != m_dirty_status.end(); it++) {
1772                 if ( it->second.m_new || it->second.m_dirty || it->second.m_removed) {
1773                         CMD4Hash filehash = it->first;
1774
1775                         CPartFile *partfile = it->second.m_file;
1776
1777                         CECPacket *packet = new CECPacket(EC_OP_DLOAD_QUEUE);
1778                         if ( it->second.m_removed ) {
1779                                 CECTag tag(EC_TAG_PARTFILE, filehash);
1780                                 packet->AddTag(tag);
1781                                 m_dirty_status.erase(it);
1782                         } else {
1783                                 CEC_PartFile_Tag tag(partfile, it->second.m_new ? EC_DETAIL_FULL : EC_DETAIL_UPDATE);
1784                                 packet->AddTag(tag);
1785                         }
1786                         m_dirty_status[filehash].m_new = false;
1787                         m_dirty_status[filehash].m_dirty = false;
1788
1789                         return packet;
1790                 }
1791         }
1792         return 0;
1793 }
1794
1795 /*
1796  * Shared files - similar to downloading
1797  */
1798 ECKnownFileMsgSource::ECKnownFileMsgSource()
1799 {
1800         for (unsigned int i = 0; i < theApp->sharedfiles->GetFileCount(); i++) {
1801                 CKnownFile *cur_file = (CKnownFile *)theApp->sharedfiles->GetFileByIndex(i);
1802                 KNOWNFILE_STATUS status = { true, false, false, true, cur_file };
1803                 m_dirty_status[cur_file->GetFileHash()] = status;
1804         }
1805 }
1806
1807 void ECKnownFileMsgSource::SetDirty(CKnownFile *file)
1808 {
1809         CMD4Hash filehash = file->GetFileHash();
1810         if ( m_dirty_status.find(filehash) != m_dirty_status.end() ) {
1811                 m_dirty_status[filehash].m_dirty = true;;
1812         }
1813 }
1814
1815 void ECKnownFileMsgSource::SetNew(CKnownFile *file)
1816 {
1817         CMD4Hash filehash = file->GetFileHash();
1818         wxASSERT ( m_dirty_status.find(filehash) == m_dirty_status.end() );
1819         KNOWNFILE_STATUS status = { true, false, false, true, file };
1820         m_dirty_status[filehash] = status;
1821 }
1822
1823 void ECKnownFileMsgSource::SetRemoved(CKnownFile *file)
1824 {
1825         CMD4Hash filehash = file->GetFileHash();
1826         wxASSERT ( m_dirty_status.find(filehash) != m_dirty_status.end() );
1827
1828         m_dirty_status[filehash].m_removed = true;
1829 }
1830
1831 CECPacket *ECKnownFileMsgSource::GetNextPacket()
1832 {
1833         for(std::map<CMD4Hash, KNOWNFILE_STATUS>::iterator it = m_dirty_status.begin();
1834                 it != m_dirty_status.end(); it++) {
1835                 if ( it->second.m_new || it->second.m_dirty || it->second.m_removed) {
1836                         CMD4Hash filehash = it->first;
1837
1838                         CKnownFile *partfile = it->second.m_file;
1839
1840                         CECPacket *packet = new CECPacket(EC_OP_SHARED_FILES);
1841                         if ( it->second.m_removed ) {
1842                                 CECTag tag(EC_TAG_PARTFILE, filehash);
1843                                 packet->AddTag(tag);
1844                                 m_dirty_status.erase(it);
1845                         } else {
1846                                 CEC_SharedFile_Tag tag(partfile, it->second.m_new ? EC_DETAIL_FULL : EC_DETAIL_UPDATE);
1847                                 packet->AddTag(tag);
1848                         }
1849                         m_dirty_status[filehash].m_new = false;
1850                         m_dirty_status[filehash].m_dirty = false;
1851
1852                         return packet;
1853                 }
1854         }
1855         return 0;
1856 }
1857
1858 /*
1859  * Notification about search status
1860 */
1861 ECSearchMsgSource::ECSearchMsgSource()
1862 {
1863 }
1864
1865 CECPacket *ECSearchMsgSource::GetNextPacket()
1866 {
1867         if ( m_dirty_status.empty() ) {
1868                 return 0;
1869         }
1870
1871         CECPacket *response = new CECPacket(EC_OP_SEARCH_RESULTS);
1872         for(std::map<CMD4Hash, SEARCHFILE_STATUS>::iterator it = m_dirty_status.begin();
1873                 it != m_dirty_status.end(); it++) {
1874
1875                 if ( it->second.m_new ) {
1876                         response->AddTag(CEC_SearchFile_Tag(it->second.m_file, EC_DETAIL_FULL));
1877                         it->second.m_new = false;
1878                 } else if ( it->second.m_dirty ) {
1879                         response->AddTag(CEC_SearchFile_Tag(it->second.m_file, EC_DETAIL_UPDATE));
1880                 }
1881
1882         }
1883
1884         return response;
1885 }
1886
1887 void ECSearchMsgSource::FlushStatus()
1888 {
1889         m_dirty_status.clear();
1890 }
1891
1892 void ECSearchMsgSource::SetDirty(CSearchFile *file)
1893 {
1894         if ( m_dirty_status.count(file->GetFileHash()) ) {
1895                 m_dirty_status[file->GetFileHash()].m_dirty = true;
1896         } else {
1897                 m_dirty_status[file->GetFileHash()].m_new = true;
1898                 m_dirty_status[file->GetFileHash()].m_dirty = true;
1899                 m_dirty_status[file->GetFileHash()].m_child_dirty = true;
1900                 m_dirty_status[file->GetFileHash()].m_file = file;
1901         }
1902 }
1903
1904 void ECSearchMsgSource::SetChildDirty(CSearchFile *file)
1905 {
1906         m_dirty_status[file->GetFileHash()].m_child_dirty = true;
1907 }
1908
1909 /*
1910  * Notification about uploading clients
1911  */
1912 CECPacket *ECClientMsgSource::GetNextPacket()
1913 {
1914         return 0;
1915 }
1916
1917 //
1918 // Notification iface per-client
1919 //
1920 ECNotifier::ECNotifier()
1921 {
1922 }
1923
1924 ECNotifier::~ECNotifier()
1925 {
1926         while (m_msg_source.begin() != m_msg_source.end())
1927                 Remove_EC_Client(m_msg_source.begin()->first);
1928 }
1929
1930 CECPacket *ECNotifier::GetNextPacket(ECUpdateMsgSource *msg_source_array[])
1931 {
1932         CECPacket *packet = 0;
1933         //
1934         // priority 0 is highest
1935         //
1936         for(int i = 0; i < EC_STATUS_LAST_PRIO; i++) {
1937                 if ( (packet = msg_source_array[i]->GetNextPacket()) != 0 ) {
1938                         break;
1939                 }
1940         }
1941         return packet;
1942 }
1943
1944 CECPacket *ECNotifier::GetNextPacket(CECServerSocket *sock)
1945 {
1946         //
1947         // OnOutput is called for a first time before
1948         // socket is registered
1949         //
1950         if ( m_msg_source.count(sock) ) {
1951                 ECUpdateMsgSource **notifier_array = m_msg_source[sock];
1952                 if ( !notifier_array ) {
1953                         return 0;
1954                 }
1955                 CECPacket *packet = GetNextPacket(notifier_array);
1956                 printf("[EC] next update packet; opcode=%x\n",packet ? packet->GetOpCode() : 0xff);
1957                 return packet;
1958         } else {
1959                 return 0;
1960         }
1961 }
1962
1963 //
1964 // Interface to notification macros
1965 //
1966 void ECNotifier::DownloadFile_SetDirty(CPartFile *file)
1967 {
1968         for(std::map<CECServerSocket *, ECUpdateMsgSource **>::iterator i = m_msg_source.begin();
1969                 i != m_msg_source.end(); i++) {
1970                 CECServerSocket *sock = i->first;
1971                 if ( sock->HaveNotificationSupport() ) {
1972                         ECUpdateMsgSource **notifier_array = i->second;
1973                         ((ECPartFileMsgSource *)notifier_array[EC_PARTFILE])->SetDirty(file);
1974                 }
1975         }
1976         NextPacketToSocket();
1977 }
1978
1979 void ECNotifier::DownloadFile_RemoveFile(CPartFile *file)
1980 {
1981         for(std::map<CECServerSocket *, ECUpdateMsgSource **>::iterator i = m_msg_source.begin();
1982                 i != m_msg_source.end(); i++) {
1983                 ECUpdateMsgSource **notifier_array = i->second;
1984                 ((ECPartFileMsgSource *)notifier_array[EC_PARTFILE])->SetRemoved(file);
1985         }
1986         NextPacketToSocket();
1987 }
1988
1989 void ECNotifier::DownloadFile_RemoveSource(CPartFile *)
1990 {
1991         // per-partfile source list is not supported (yet), and IMHO quite useless
1992 }
1993
1994 void ECNotifier::DownloadFile_AddFile(CPartFile *file)
1995 {
1996         for(std::map<CECServerSocket *, ECUpdateMsgSource **>::iterator i = m_msg_source.begin();
1997                 i != m_msg_source.end(); i++) {
1998                 ECUpdateMsgSource **notifier_array = i->second;
1999                 ((ECPartFileMsgSource *)notifier_array[EC_PARTFILE])->SetNew(file);
2000         }
2001         NextPacketToSocket();
2002 }
2003
2004 void ECNotifier::DownloadFile_AddSource(CPartFile *)
2005 {
2006         // per-partfile source list is not supported (yet), and IMHO quite useless
2007 }
2008
2009 void ECNotifier::SharedFile_AddFile(CKnownFile *file)
2010 {
2011         for(std::map<CECServerSocket *, ECUpdateMsgSource **>::iterator i = m_msg_source.begin();
2012                 i != m_msg_source.end(); i++) {
2013                 ECUpdateMsgSource **notifier_array = i->second;
2014                 ((ECKnownFileMsgSource *)notifier_array[EC_KNOWN])->SetNew(file);
2015         }
2016         NextPacketToSocket();
2017 }
2018
2019 void ECNotifier::SharedFile_RemoveFile(CKnownFile *file)
2020 {
2021         for(std::map<CECServerSocket *, ECUpdateMsgSource **>::iterator i = m_msg_source.begin();
2022                 i != m_msg_source.end(); i++) {
2023                 ECUpdateMsgSource **notifier_array = i->second;
2024                 ((ECKnownFileMsgSource *)notifier_array[EC_KNOWN])->SetRemoved(file);
2025         }
2026         NextPacketToSocket();
2027 }
2028
2029 void ECNotifier::SharedFile_RemoveAllFiles()
2030 {
2031         // need to figure out what to do here
2032 }
2033
2034 void ECNotifier::Add_EC_Client(CECServerSocket *sock)
2035 {
2036         ECUpdateMsgSource **notifier_array = new ECUpdateMsgSource *[EC_STATUS_LAST_PRIO];
2037         notifier_array[EC_STATUS] = new ECStatusMsgSource();
2038         notifier_array[EC_SEARCH] = new ECSearchMsgSource();
2039         notifier_array[EC_PARTFILE] = new ECPartFileMsgSource();
2040         notifier_array[EC_CLIENT] = new ECClientMsgSource();
2041         notifier_array[EC_KNOWN] = new ECKnownFileMsgSource();
2042
2043         m_msg_source[sock] = notifier_array;
2044 }
2045
2046 void ECNotifier::Remove_EC_Client(CECServerSocket *sock)
2047 {
2048         if (m_msg_source.count(sock)) {
2049                 ECUpdateMsgSource **notifier_array = m_msg_source[sock];
2050
2051                 m_msg_source.erase(sock);
2052
2053                 for(int i = 0; i < EC_STATUS_LAST_PRIO; i++) {
2054                         delete notifier_array[i];
2055                 }
2056                 delete [] notifier_array;
2057         }
2058 }
2059
2060 void ECNotifier::NextPacketToSocket()
2061 {
2062         for(std::map<CECServerSocket *, ECUpdateMsgSource **>::iterator i = m_msg_source.begin();
2063                 i != m_msg_source.end(); i++) {
2064                 CECServerSocket *sock = i->first;
2065                 if ( sock->HaveNotificationSupport() && !sock->DataPending() ) {
2066                         ECUpdateMsgSource **notifier_array = i->second;
2067                         CECPacket *packet = GetNextPacket(notifier_array);
2068                         if ( packet ) {
2069                                 printf("[EC] sending update packet; opcode=%x\n",packet->GetOpCode());
2070                                 sock->SendPacket(packet);
2071                         }
2072                 }
2073         }
2074 }
2075
2076 // File_checked_for_headers