src/modules/extra/m_mssql.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15 #include <tds.h>
  16 #include <tdsconvert.h>
  17 #include "users.h"
  18 #include "channels.h"
  19 #include "modules.h"
  20
  21 #include "m_sqlv2.h"
  22
  23 /* $ModDesc: MsSQL provider */
  24 /* $LinkerFlags: -ltds */
  25 /* $ModDep: m_sqlv2.h */
  26
  27 class SQLConn;
  28 class MsSQLResult;
  29 class ResultNotifier;
  30
  31 typedef std::map<std::string, SQLConn*> ConnMap;
  32 typedef std::deque<classbase*> paramlist;
  33 typedef std::deque<MsSQLResult*> ResultQueue;
  34
  35 ResultNotifier* resultnotify = NULL;
  36
  37
  38 class ResultNotifier : public BufferedSocket
  39 {
  40         Module* mod;
  41         insp_sockaddr sock_us;
  42         socklen_t uslen;
  43
  44  public:
  45         /* Create a socket on a random port. Let the tcp stack allocate us an available port */
  46 #ifdef IPV6
  47         ResultNotifier(InspIRCd* SI, Module* m) : BufferedSocket(SI, "::1", 0, true, 3000), mod(m)
  48 #else
  49         ResultNotifier(InspIRCd* SI, Module* m) : BufferedSocket(SI, "127.0.0.1", 0, true, 3000), mod(m)
  50 #endif
  51         {
  52                 uslen = sizeof(sock_us);
  53                 if (getsockname(this->fd,(sockaddr*)&sock_us,&uslen))
  54                 {
  55                         throw ModuleException("Could not create random listening port on localhost");
  56                 }
  57         }
  58
  59         ResultNotifier(InspIRCd* SI, Module* m, int newfd, char* ip) : BufferedSocket(SI, newfd, ip), mod(m)
  60         {
  61         }
  62
  63         /* Using getsockname and ntohs, we can determine which port number we were allocated */
  64         int GetPort()
  65         {
  66 #ifdef IPV6
  67                 return ntohs(sock_us.sin6_port);
  68 #else
  69                 return ntohs(sock_us.sin_port);
  70 #endif
  71         }
  72
  73         virtual int OnIncomingConnection(int newsock, char* ip)
  74         {
  75                 Dispatch();
  76                 return false;
  77         }
  78
  79         void Dispatch();
  80 };
  81
  82
  83 class MsSQLResult : public SQLresult
  84 {
  85   private:
  86         int currentrow;
  87         int rows;
  88         int cols;
  89
  90         std::vector<std::string> colnames;
  91         std::vector<SQLfieldList> fieldlists;
  92         SQLfieldList emptyfieldlist;
  93
  94         SQLfieldList* fieldlist;
  95         SQLfieldMap* fieldmap;
  96
  97   public:
  98         MsSQLResult(Module* self, Module* to, unsigned int rid)
  99         : SQLresult(self, to, rid), currentrow(0), rows(0), cols(0), fieldlist(NULL), fieldmap(NULL)
 100         {
 101         }
 102
 103         ~MsSQLResult()
 104         {
 105         }
 106
 107         void AddRow(int colsnum, char **dat, char **colname)
 108         {
 109                 colnames.clear();
 110                 cols = colsnum;
 111                 for (int i = 0; i < colsnum; i++)
 112                 {
 113                         fieldlists.resize(fieldlists.size()+1);
 114                         colnames.push_back(colname[i]);
 115                         SQLfield sf(dat[i] ? dat[i] : "", dat[i] ? false : true);
 116                         fieldlists[rows].push_back(sf);
 117                 }
 118                 rows++;
 119         }
 120
 121         void UpdateAffectedCount()
 122         {
 123                 rows++;
 124         }
 125
 126         virtual int Rows()
 127         {
 128                 return rows;
 129         }
 130
 131         virtual int Cols()
 132         {
 133                 return cols;
 134         }
 135
 136         virtual std::string ColName(int column)
 137         {
 138                 if (column < (int)colnames.size())
 139                 {
 140                         return colnames[column];
 141                 }
 142                 else
 143                 {
 144                         throw SQLbadColName();
 145                 }
 146                 return "";
 147         }
 148
 149         virtual int ColNum(const std::string &column)
 150         {
 151                 for (unsigned int i = 0; i < colnames.size(); i++)
 152                 {
 153                         if (column == colnames[i])
 154                                 return i;
 155                 }
 156                 throw SQLbadColName();
 157                 return 0;
 158         }
 159
 160         virtual SQLfield GetValue(int row, int column)
 161         {
 162                 if ((row >= 0) && (row < rows) && (column >= 0) && (column < Cols()))
 163                 {
 164                         return fieldlists[row][column];
 165                 }
 166
 167                 throw SQLbadColName();
 168
 169                 /* XXX: We never actually get here because of the throw */
 170                 return SQLfield("",true);
 171         }
 172
 173         virtual SQLfieldList& GetRow()
 174         {
 175                 if (currentrow < rows)
 176                         return fieldlists[currentrow];
 177                 else
 178                         return emptyfieldlist;
 179         }
 180
 181         virtual SQLfieldMap& GetRowMap()
 182         {
 183                 /* In an effort to reduce overhead we don't actually allocate the map
 184                  * until the first time it's needed...so...
 185                  */
 186                 if(fieldmap)
 187                 {
 188                         fieldmap->clear();
 189                 }
 190                 else
 191                 {
 192                         fieldmap = new SQLfieldMap;
 193                 }
 194
 195                 if (currentrow < rows)
 196                 {
 197                         for (int i = 0; i < Cols(); i++)
 198                         {
 199                                 fieldmap->insert(std::make_pair(ColName(i), GetValue(currentrow, i)));
 200                         }
 201                         currentrow++;
 202                 }
 203
 204                 return *fieldmap;
 205         }
 206
 207         virtual SQLfieldList* GetRowPtr()
 208         {
 209                 fieldlist = new SQLfieldList();
 210
 211                 if (currentrow < rows)
 212                 {
 213                         for (int i = 0; i < Rows(); i++)
 214                         {
 215                                 fieldlist->push_back(fieldlists[currentrow][i]);
 216                         }
 217                         currentrow++;
 218                 }
 219                 return fieldlist;
 220         }
 221
 222         virtual SQLfieldMap* GetRowMapPtr()
 223         {
 224                 fieldmap = new SQLfieldMap();
 225
 226                 if (currentrow < rows)
 227                 {
 228                         for (int i = 0; i < Cols(); i++)
 229                         {
 230                                 fieldmap->insert(std::make_pair(colnames[i],GetValue(currentrow, i)));
 231                         }
 232                         currentrow++;
 233                 }
 234
 235                 return fieldmap;
 236         }
 237
 238         virtual void Free(SQLfieldMap* fm)
 239         {
 240                 delete fm;
 241         }
 242
 243         virtual void Free(SQLfieldList* fl)
 244         {
 245                 delete fl;
 246         }
 247
 248
 249 };
 250
 251 class SQLConn : public classbase
 252 {
 253   private:
 254         ResultQueue results;
 255         InspIRCd* Instance;
 256         Module* mod;
 257         SQLhost host;
 258         TDSLOGIN* login;
 259         TDSSOCKET* sock;
 260         TDSCONNECTION* conn;
 261
 262   public:
 263         SQLConn(InspIRCd* SI, Module* m, const SQLhost& hi)
 264         : Instance(SI), mod(m), host(hi)
 265         {
 266                 if (OpenDB() == TDS_SUCCEED)
 267                 {
 268                         std::string query("USE " + host.name);
 269                         if (tds_submit_query(sock, query.c_str()) == TDS_SUCCEED)
 270                         {
 271                                 if (tds_process_simple_query(sock) != TDS_SUCCEED)
 272                                 {
 273                                         Instance->Logs->Log("m_mssql",DEFAULT, "WARNING: Could not select database " + host.name + " for DB with id: " + host.id);
 274                                         CloseDB();
 275                                 }
 276                         }
 277                         else
 278                         {
 279                                 Instance->Logs->Log("m_mssql",DEFAULT, "WARNING: Could not select database " + host.name + " for DB with id: " + host.id);
 280                                 CloseDB();
 281                         }
 282                 }
 283                 else
 284                 {
 285                         Instance->Logs->Log("m_mssql",DEFAULT, "WARNING: Could not connect to DB with id: " + host.id);
 286                         CloseDB();
 287                 }
 288         }
 289
 290         ~SQLConn()
 291         {
 292                 CloseDB();
 293         }
 294
 295         SQLerror Query(SQLrequest &req)
 296         {
 297                 /* Pointer to the buffer we screw around with substitution in */
 298                 char* query;
 299
 300                 /* Pointer to the current end of query, where we append new stuff */
 301                 char* queryend;
 302
 303                 /* Total length of the unescaped parameters */
 304                 unsigned long paramlen;
 305
 306                 /* Total length of query, used for binary-safety in mysql_real_query */
 307                 unsigned long querylength = 0;
 308
 309                 paramlen = 0;
 310                 for(ParamL::iterator i = req.query.p.begin(); i != req.query.p.end(); i++)
 311                 {
 312                         paramlen += i->size();
 313                 }
 314
 315                 /* To avoid a lot of allocations, allocate enough memory for the biggest the escaped query could possibly be.
 316                  * sizeofquery + (totalparamlength*2) + 1
 317                  *
 318                  * The +1 is for null-terminating the string
 319                  */
 320                 query = new char[req.query.q.length() + (paramlen*2) + 1];
 321                 queryend = query;
 322
 323                 for(unsigned long i = 0; i < req.query.q.length(); i++)
 324                 {
 325                         if(req.query.q[i] == '?')
 326                         {
 327                                 if(req.query.p.size())
 328                                 {
 329                                         /* Custom escaping for this one. converting ' to '' should make SQL Server happy. Ugly but fast :]
 330                                          */
 331                                         char* escaped = new char[(req.query.p.front().length() * 2) + 1];
 332                                         char* escend = escaped;
 333                                         for (std::string::iterator p = req.query.p.front().begin(); p < req.query.p.front().end(); p++)
 334                                         {
 335                                                 if (*p == '\'')
 336                                                 {
 337                                                         *escend = *p;
 338                                                         escend++;
 339                                                         *escend = *p;
 340                                                 }
 341                                                 *escend = *p;
 342                                                 escend++;
 343                                         }
 344                                         *escend = 0;
 345
 346                                         for (char* n = escaped; *n; n++)
 347                                         {
 348                                                 *queryend = *n;
 349                                                 queryend++;
 350                                         }
 351                                         delete[] escaped;
 352                                         req.query.p.pop_front();
 353                                 }
 354                                 else
 355                                         break;
 356                         }
 357                         else
 358                         {
 359                                 *queryend = req.query.q[i];
 360                                 queryend++;
 361                         }
 362                         querylength++;
 363                 }
 364                 *queryend = 0;
 365                 req.query.q = query;
 366
 367                 MsSQLResult* res = new MsSQLResult(mod, req.GetSource(), req.id);
 368                 res->dbid = host.id;
 369                 res->query = req.query.q;
 370
 371                 const char* msquery = strdup(req.query.q.data());
 372                 Instance->Logs->Log("m_mssql",DEBUG,"doing Query: %s",msquery);
 373                 if (tds_submit_query(sock, msquery) != TDS_SUCCEED)
 374                 {
 375                         std::string error("failed to execute: "+std::string(req.query.q.data()));
 376                         delete[] query;
 377                         delete res;
 378                         return SQLerror(QSEND_FAIL, error);
 379                 }
 380                 delete[] query;
 381
 382                 int tds_res;
 383                 while (tds_process_tokens(sock, &tds_res, NULL, TDS_TOKEN_RESULTS) == TDS_SUCCEED)
 384                 {
 385                         //Instance->Logs->Log("m_mssql",DEBUG,"<******> result type: %d", tds_res);
 386                         //Instance->Logs->Log("m_mssql",DEBUG,"AFFECTED ROWS: %d", sock->rows_affected);
 387                         switch (tds_res)
 388                         {
 389                                 case TDS_ROWFMT_RESULT:
 390                                         break;
 391
 392                                 case TDS_DONE_RESULT:
 393                                         if (sock->rows_affected > -1)
 394                                         {
 395                                                 for (int c = 0; c < sock->rows_affected; c++)  res->UpdateAffectedCount();
 396                                                 continue;
 397                                         }
 398                                         break;
 399
 400                                 case TDS_ROW_RESULT:
 401                                         while (tds_process_tokens(sock, &tds_res, NULL, TDS_STOPAT_ROWFMT|TDS_RETURN_DONE|TDS_RETURN_ROW) == TDS_SUCCEED)
 402                                         {
 403                                                 if (tds_res != TDS_ROW_RESULT)
 404                                                         break;
 405
 406                                                 if (!sock->current_results)
 407                                                         continue;
 408
 409                                                 if (sock->res_info->row_count > 0)
 410                                                 {
 411                                                         int cols = sock->res_info->num_cols;
 412                                                         char** name = new char*[MAXBUF];
 413                                                         char** data = new char*[MAXBUF];
 414                                                         for (int j=0; j<cols; j++)
 415                                                         {
 416                                                                 TDSCOLUMN* col = sock->current_results->columns[j];
 417                                                                 name[j] = col->column_name;
 418
 419                                                                 int ctype;
 420                                                                 int srclen;
 421                                                                 unsigned char* src;
 422                                                                 CONV_RESULT dres;
 423                                                                 ctype = tds_get_conversion_type(col->column_type, col->column_size);
 424                                                                 src = &(sock->current_results->current_row[col->column_offset]);
 425                                                                 srclen = col->column_cur_size;
 426                                                                 tds_convert(sock->tds_ctx, ctype, (TDS_CHAR *) src, srclen, SYBCHAR, &dres);
 427                                                                 data[j] = (char*)dres.ib;
 428                                                         }
 429                                                         ResultReady(res, cols, data, name);
 430                                                 }
 431                                         }
 432                                         break;
 433
 434                                 default:
 435                                         break;
 436                         }
 437                 }
 438                 results.push_back(res);
 439                 SendNotify();
 440                 return SQLerror();
 441         }
 442
 443         static int HandleMessage(const TDSCONTEXT * pContext, TDSSOCKET * pTdsSocket, TDSMESSAGE * pMessage)
 444         {
 445                 /* TODO: FIXME */
 446                 //Instance->Logs->Log("m_mssql",DEBUG,pMessage->message);
 447                 //printf("Message: %s\n", pMessage->message);
 448                 return 0;
 449         }
 450
 451         static int HandleError(const TDSCONTEXT * pContext, TDSSOCKET * pTdsSocket, TDSMESSAGE * pMessage)
 452         {
 453                 /* TODO: FIXME */
 454                 //Instance->Logs->Log("m_mssql",DEBUG,pMessage->message);
 455                 //printf("Error: %s\n", pMessage->message);
 456                 return 0;
 457         }
 458
 459         void ResultReady(MsSQLResult *res, int cols, char **data, char **colnames)
 460         {
 461                 res->AddRow(cols, data, colnames);
 462         }
 463
 464         void AffectedReady(MsSQLResult *res)
 465         {
 466                 res->UpdateAffectedCount();
 467         }
 468
 469         int OpenDB()
 470         {
 471                 CloseDB();
 472
 473                 TDSCONTEXT* cont;
 474                 cont = tds_alloc_context(NULL);
 475                 cont->msg_handler = HandleMessage;
 476                 cont->err_handler = HandleError;
 477
 478                 login = tds_alloc_login();
 479                 tds_set_library(login,"TDS-Library");
 480                 tds_set_host(login, "");
 481                 tds_set_server(login, host.host.c_str());
 482                 tds_set_server_addr(login, host.host.c_str());
 483                 tds_set_user(login, host.user.c_str());
 484                 tds_set_passwd(login, host.pass.c_str());
 485                 tds_set_port(login, host.port);
 486                 tds_set_packet(login, 512);
 487
 488                 sock = tds_alloc_socket(cont, 512);
 489                 conn = tds_read_config_info(NULL, login, cont->locale);
 490                 return tds_connect(sock, conn);
 491         }
 492
 493         void CloseDB()
 494         {
 495                 if (login)
 496                         tds_free_login(login);
 497                 if (sock)
 498                         tds_free_socket(sock);
 499                 if (conn)
 500                         tds_free_connection(conn);
 501         }
 502
 503         SQLhost GetConfHost()
 504         {
 505                 return host;
 506         }
 507
 508         void SendResults()
 509         {
 510                 while (results.size())
 511                 {
 512                         MsSQLResult* res = results[0];
 513                         if (res->GetDest())
 514                         {
 515                                 res->Send();
 516                         }
 517                         else
 518                         {
 519                                 /* If the client module is unloaded partway through a query then the provider will set
 520                                  * the pointer to NULL. We cannot just cancel the query as the result will still come
 521                                  * through at some point...and it could get messy if we play with invalid pointers...
 522                                  */
 523                                 delete res;
 524                         }
 525                         results.pop_front();
 526                 }
 527         }
 528
 529         void ClearResults()
 530         {
 531                 while (results.size())
 532                 {
 533                         MsSQLResult* res = results[0];
 534                         delete res;
 535                         results.pop_front();
 536                 }
 537         }
 538
 539         void SendNotify()
 540         {
 541                 int QueueFD;
 542                 if ((QueueFD = socket(AF_FAMILY, SOCK_STREAM, 0)) == -1)
 543                 {
 544                         /* crap, we're out of sockets... */
 545                         return;
 546                 }
 547
 548                 insp_sockaddr addr;
 549
 550 #ifdef IPV6
 551                 insp_aton("::1", &addr.sin6_addr);
 552                 addr.sin6_family = AF_FAMILY;
 553                 addr.sin6_port = htons(resultnotify->GetPort());
 554 #else
 555                 insp_inaddr ia;
 556                 insp_aton("127.0.0.1", &ia);
 557                 addr.sin_family = AF_FAMILY;
 558                 addr.sin_addr = ia;
 559                 addr.sin_port = htons(resultnotify->GetPort());
 560 #endif
 561
 562                 if (connect(QueueFD, (sockaddr*)&addr,sizeof(addr)) == -1)
 563                 {
 564                         /* wtf, we cant connect to it, but we just created it! */
 565                         return;
 566                 }
 567         }
 568
 569 };
 570
 571
 572 class ModuleMsSQL : public Module
 573 {
 574   private:
 575         ConnMap connections;
 576         unsigned long currid;
 577
 578   public:
 579         ModuleMsSQL(InspIRCd* Me)
 580         : Module::Module(Me), currid(0)
 581         {
 582                 ServerInstance->Modules->UseInterface("SQLutils");
 583
 584                 if (!ServerInstance->Modules->PublishFeature("SQL", this))
 585                 {
 586                         throw ModuleException("m_mssql: Unable to publish feature 'SQL'");
 587                 }
 588
 589                 resultnotify = new ResultNotifier(ServerInstance, this);
 590
 591                 ReadConf();
 592
 593                 ServerInstance->Modules->PublishInterface("SQL", this);
 594                 Implementation eventlist[] = { I_OnRequest, I_OnRehash };
 595                 ServerInstance->Modules->Attach(eventlist, this, 2);
 596         }
 597
 598         virtual ~ModuleMsSQL()
 599         {
 600                 ClearQueue();
 601                 ClearAllConnections();
 602                 resultnotify->SetFd(-1);
 603                 resultnotify->state = I_ERROR;
 604                 resultnotify->OnError(I_ERR_SOCKET);
 605                 resultnotify->ClosePending = true;
 606                 delete resultnotify;
 607                 ServerInstance->Modules->UnpublishInterface("SQL", this);
 608                 ServerInstance->Modules->UnpublishFeature("SQL");
 609                 ServerInstance->Modules->DoneWithInterface("SQLutils");
 610         }
 611
 612
 613         void SendQueue()
 614         {
 615                 for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
 616                 {
 617                         iter->second->SendResults();
 618                 }
 619         }
 620
 621         void ClearQueue()
 622         {
 623                 for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
 624                 {
 625                         iter->second->ClearResults();
 626                 }
 627         }
 628
 629         bool HasHost(const SQLhost &host)
 630         {
 631                 for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
 632                 {
 633                         if (host == iter->second->GetConfHost())
 634                                 return true;
 635                 }
 636                 return false;
 637         }
 638
 639         bool HostInConf(const SQLhost &h)
 640         {
 641                 ConfigReader conf(ServerInstance);
 642                 for(int i = 0; i < conf.Enumerate("database"); i++)
 643                 {
 644                         SQLhost host;
 645                         host.id         = conf.ReadValue("database", "id", i);
 646                         host.host       = conf.ReadValue("database", "hostname", i);
 647                         host.port       = conf.ReadInteger("database", "port", "1433", i, true);
 648                         host.name       = conf.ReadValue("database", "name", i);
 649                         host.user       = conf.ReadValue("database", "username", i);
 650                         host.pass       = conf.ReadValue("database", "password", i);
 651                         host.ssl        = conf.ReadFlag("database", "ssl", "0", i);
 652                         if (h == host)
 653                                 return true;
 654                 }
 655                 return false;
 656         }
 657
 658         void ReadConf()
 659         {
 660                 ClearOldConnections();
 661
 662                 ConfigReader conf(ServerInstance);
 663                 for(int i = 0; i < conf.Enumerate("database"); i++)
 664                 {
 665                         SQLhost host;
 666
 667                         host.id         = conf.ReadValue("database", "id", i);
 668                         host.host       = conf.ReadValue("database", "hostname", i);
 669                         host.port       = conf.ReadInteger("database", "port", "1433", i, true);
 670                         host.name       = conf.ReadValue("database", "name", i);
 671                         host.user       = conf.ReadValue("database", "username", i);
 672                         host.pass       = conf.ReadValue("database", "password", i);
 673                         host.ssl        = conf.ReadFlag("database", "ssl", "0", i);
 674
 675                         if (HasHost(host))
 676                                 continue;
 677
 678                         this->AddConn(host);
 679                 }
 680         }
 681
 682         void AddConn(const SQLhost& hi)
 683         {
 684                 if (HasHost(hi))
 685                 {
 686                         ServerInstance->Logs->Log("m_mssql",DEFAULT, "WARNING: A MsSQL connection with id: %s already exists. Aborting database open attempt.", hi.id.c_str());
 687                         return;
 688                 }
 689
 690                 SQLConn* newconn;
 691
 692                 newconn = new SQLConn(ServerInstance, this, hi);
 693
 694                 connections.insert(std::make_pair(hi.id, newconn));
 695         }
 696
 697         void ClearOldConnections()
 698         {
 699                 ConnMap::iterator iter,safei;
 700                 for (iter = connections.begin(); iter != connections.end(); iter++)
 701                 {
 702                         if (!HostInConf(iter->second->GetConfHost()))
 703                         {
 704                                 delete iter->second;
 705                                 safei = iter;
 706                                 --iter;
 707                                 connections.erase(safei);
 708                         }
 709                 }
 710         }
 711
 712         void ClearAllConnections()
 713         {
 714                 ConnMap::iterator i;
 715                 while ((i = connections.begin()) != connections.end())
 716                 {
 717                         connections.erase(i);
 718                         delete i->second;
 719                 }
 720         }
 721
 722         virtual void OnRehash(User* user, const std::string &parameter)
 723         {
 724                 ReadConf();
 725         }
 726
 727         virtual const char* OnRequest(Request* request)
 728         {
 729                 if(strcmp(SQLREQID, request->GetId()) == 0)
 730                 {
 731                         SQLrequest* req = (SQLrequest*)request;
 732                         ConnMap::iterator iter;
 733                         if((iter = connections.find(req->dbid)) != connections.end())
 734                         {
 735                                 req->id = NewID();
 736                                 req->error = iter->second->Query(*req);
 737                                 return SQLSUCCESS;
 738                         }
 739                         else
 740                         {
 741                                 req->error.Id(BAD_DBID);
 742                                 return NULL;
 743                         }
 744                 }
 745                 return NULL;
 746         }
 747
 748         unsigned long NewID()
 749         {
 750                 if (currid+1 == 0)
 751                         currid++;
 752
 753                 return ++currid;
 754         }
 755
 756         virtual Version GetVersion()
 757         {
 758                 return Version(1,0,0,0,VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION);
 759         }
 760
 761 };
 762
 763 void ResultNotifier::Dispatch()
 764 {
 765         ((ModuleMsSQL*)mod)->SendQueue();
 766 }
 767
 768 MODULE_INIT(ModuleMsSQL)