1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/**********************************************************************
* SQLConnect
*
**********************************************************************
*
* This code was created by Peter Harvey (mostly during Christmas 98/99).
* This code is LGPL. Please ensure that this message remains in future
* distributions and uses of this code (thats about all I get out of it).
* - Peter Harvey pharvey@codebydesign.com
*
**********************************************************************/
#include <config.h>
#include "driver.h"
SQLRETURN SQLConnect( SQLHDBC hDrvDbc,
SQLCHAR *szDataSource,
SQLSMALLINT nDataSourceLength,
SQLCHAR *szUID,
SQLSMALLINT nUIDLength,
SQLCHAR *szPWD,
SQLSMALLINT nPWDLength
)
{
HDRVDBC hDbc = (HDRVDBC)hDrvDbc;
char szDATABASE[INI_MAX_PROPERTY_VALUE+1];
char szHOST[INI_MAX_PROPERTY_VALUE+1];
char szPORT[INI_MAX_PROPERTY_VALUE+1];
char szFLAG[INI_MAX_PROPERTY_VALUE+1];
/* SANITY CHECKS */
if( SQL_NULL_HDBC == hDbc )
return SQL_INVALID_HANDLE;
sprintf((char*) hDbc->szSqlMsg, "hDbc=$%08lX 3zDataSource=(%s)", (long)hDbc, szDataSource );
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING,(char*) hDbc->szSqlMsg );
if( hDbc->bConnected == 1 )
{
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, "SQL_ERROR Already connected" );
return SQL_ERROR;
}
if ( nDataSourceLength == SQL_NTS )
{
if ( strlen((char*) szDataSource ) > ODBC_FILENAME_MAX+INI_MAX_OBJECT_NAME )
{
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, "SQL_ERROR Given Data Source is too long. I consider it suspect." );
return SQL_ERROR;
}
}
else
{
if ( nDataSourceLength > ODBC_FILENAME_MAX+INI_MAX_OBJECT_NAME )
{
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, "SQL_ERROR Given Data Source is too long. I consider it suspect." );
return SQL_ERROR;
}
}
/********************
* gather and use any required DSN properties
* - DATABASE
* - HOST (localhost assumed if not supplied)
********************/
szDATABASE[0] = '\0';
szHOST[0] = '\0';
szPORT[0] = '\0';
szFLAG[0] = '\0';
SQLGetPrivateProfileString((char*) szDataSource, "DATABASE", "", szDATABASE, sizeof(szDATABASE), "odbc.ini" );
if ( szDATABASE[0] == '\0' )
{
sprintf((char*) hDbc->szSqlMsg, "SQL_ERROR Could not find Driver entry for %s in system information", szDataSource );
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING,(char*) hDbc->szSqlMsg );
return SQL_ERROR;
}
SQLGetPrivateProfileString((char*) szDataSource, "HOST", "localhost", szHOST, sizeof(szHOST), "odbc.ini" );
SQLGetPrivateProfileString((char*) szDataSource, "PORT", "0", szPORT, sizeof(szPORT), "odbc.ini" );
SQLGetPrivateProfileString((char*) szDataSource, "FLAG", "0", szFLAG, sizeof(szFLAG), "odbc.ini" );
/********************
* 1. initialise structures
* 2. try connection with database using your native calls
* 3. store your server handle in the extras somewhere
* 4. set connection state
* hDbc->bConnected = TRUE;
********************/
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_INFO, LOG_INFO, "SQL_SUCCESS" );
return SQL_SUCCESS;
}
|
