108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
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/*--------------------------------------------------------------------------
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dbcon.h
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Normandy 2.0 connection management dll (supporting SQL server hot switch).
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Copyright (C) 1996 Microsoft Corporation
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All rights reserved.
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Authors: Fei Su (feisu)
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History: 07/16/96 feisu Created
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--------------------------------------------------------------------------*/
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#ifndef __DBCON_H__
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#define __DBCON_H__
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#ifdef _DBSQL_IMPLEMENTING
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#define DbSqlDLL __declspec(dllexport)
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#else
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#define DbSqlDLL __declspec(dllimport)
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#endif
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#define DBNTWIN32
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#pragma warning (disable:4121)
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#include <sqlfront.h>
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#pragma warning (default:4121)
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#include <sqldb.h>
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#define MAXSERVERNAME 30 // in sqlfront.h, length of server name ( excluding NULL termintor )
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#define MAXNAME 31 // in sqlfront.h, length of login, db, password
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// total DB types currently supported
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#define AC_MAX_NUMBER_DATABASE_TYPES 1024
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// database types are from 0 to AC_MAX_NUMBER_DATABASE_TYPES - 1. The assignment
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// of database types must be centralized.
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//
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// Proposal:
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// 0 --> 9 Reserved for future use
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// 10 --> 19 Address Book
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// 20 --> 29 Security
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// 100--> 200 IDS
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//
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// Add new services here.
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#define DT_ABOOK_BASE 10
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#define DT_SECURITY_BASE 20
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#define DT_IDS_BASE 100
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// if dbopen failed for a source, mark it as bad for 2 minutes for the server to recover
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// all times are in units of seconds
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#define DEFAULT_RECOVER_TIME 120
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#define DEFAULT_MAX_CNX_PER_ENTRY 10
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#define DEFAULT_QUERY_TIME_OUT 120
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#define DEFAULT_LOGIN_TIME_OUT 20
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// the following 2 numbers are only used by CPool
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// they are the max number of CConnection and CLoginEntry internal structures
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#define MAXCONN 256
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#define MAXLOGIN 256
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// exported functions
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extern "C" {
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BOOL DbSqlDLL DbInitialize();
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BOOL DbSqlDLL DbTerminate();
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BOOL DbSqlDLL DbAddSource(LONG lType, LPCTSTR lpszServerName, LPCTSTR lpszLoginName,
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LPCTSTR lpszPassWord, LPCTSTR lpszDBName,
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LONG lMaxCnx = DEFAULT_MAX_CNX_PER_ENTRY,
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LONG lQueryTimeOutInSeconds = DEFAULT_QUERY_TIME_OUT,
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DWORD dwRecoverTimeInSeconds = DEFAULT_RECOVER_TIME);
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BOOL DbSqlDLL DbDropSource(LONG lType, LPCTSTR lpszServerName, LPCTSTR lpszLoginName);
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HANDLE DbSqlDLL DbGetConnection(LONG lType, DBPROCESS **dbproc,
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DWORD dwWaitTimeInSeconds = DEFAULT_LOGIN_TIME_OUT);
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BOOL DbSqlDLL DbReleaseConnection(HANDLE hCDBConnection);
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BOOL DbSqlDLL DbAssociate(LONG lType, LONG lBackup);
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BOOL DbSqlDLL DbGetError(PDBPROCESS pDbproc, INT *dberr);
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BOOL DbSqlDLL DbGetConnectionFlag(HANDLE hCDBConnection, DWORD* pdwFlag);
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BOOL DbSqlDLL DbSetConnectionFlag(HANDLE hCDBConnection, DWORD dwFlag);
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}
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#endif // #ifndef __DBCON_H__
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/* EOF */
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