RETCODE     SQL_API
PGAPI_AllocEnv(HENV FAR * phenv)
{
    CSTR func = "PGAPI_AllocEnv";
    SQLRETURN   ret = SQL_SUCCESS;

    mylog("**** in %s ** \n", func);

    /*
     * Hack for systems on which none of the constructor-making techniques
     * in hsqlodbc.c work: if globals appears not to have been
     * initialized, then cause it to be initialized.  Since this should be
     * the first function called in this shared library, doing it here
     * should work.
     */
    if (globals.socket_buffersize <= 0)
    {
        initialize_global_cs();
        getCommonDefaults(DBMS_NAME, ODBCINST_INI, NULL);
    }

    *phenv = (HENV) EN_Constructor();
    if (!*phenv)
    {
        *phenv = SQL_NULL_HENV;
        EN_log_error(func, "Error allocating environment", NULL);
        ret = SQL_ERROR;
    }

    mylog("** exit %s: phenv = %p **\n", func, *phenv);
    return ret;
}
Beispiel #2
0
/*-------
 * ConfigDlgProc
 *	Description:	Manage add data source name dialog
 *	Input	 :	hdlg --- Dialog window handle
 *				wMsg --- Message
 *				wParam - Message parameter
 *				lParam - Message parameter
 *	Output	 :	TRUE if message processed, FALSE otherwise
 *-------
 */
LRESULT			CALLBACK
ConfigDlgProc(HWND hdlg,
			  UINT wMsg,
			  WPARAM wParam,
			  LPARAM lParam)
{
	LPSETUPDLG	lpsetupdlg;
	ConnInfo   *ci;
	DWORD		cmd;
	char		strbuf[64];

	switch (wMsg)
	{
			/* Initialize the dialog */
		case WM_INITDIALOG:
			lpsetupdlg = (LPSETUPDLG) lParam;
			ci = &lpsetupdlg->ci;

			/* Hide the driver connect message */
			ShowWindow(GetDlgItem(hdlg, DRV_MSG_LABEL), SW_HIDE);
			LoadString(s_hModule, IDS_ADVANCE_SAVE, strbuf, sizeof(strbuf));
			SetWindowText(GetDlgItem(hdlg, IDOK), strbuf);

			SetWindowLongPtr(hdlg, DWLP_USER, lParam);
			CenterDialog(hdlg); /* Center dialog */

			/*
			 * NOTE: Values supplied in the attribute string will always
			 */
			/* override settings in ODBC.INI */

			memcpy(&ci->drivers, &globals, sizeof(globals));
			/* Get the rest of the common attributes */
			getDSNinfo(ci, CONN_DONT_OVERWRITE);

			/* Fill in any defaults */
			getDSNdefaults(ci);

			/* Initialize dialog fields */
			SetDlgStuff(hdlg, ci);

			if (lpsetupdlg->fNewDSN || !ci->dsn[0])
				ShowWindow(GetDlgItem(hdlg, IDC_MANAGEDSN), SW_HIDE);
			if (lpsetupdlg->fDefault)
			{
				EnableWindow(GetDlgItem(hdlg, IDC_DSNAME), FALSE);
				EnableWindow(GetDlgItem(hdlg, IDC_DSNAMETEXT), FALSE);
			}
			else
				SendDlgItemMessage(hdlg, IDC_DSNAME,
							 EM_LIMITTEXT, (WPARAM) (MAXDSNAME - 1), 0L);

			SendDlgItemMessage(hdlg, IDC_DESC,
							   EM_LIMITTEXT, (WPARAM) (MAXDESC - 1), 0L);
			return TRUE;		/* Focus was not set */

			/* Process buttons */
		case WM_COMMAND:
			switch (cmd = GET_WM_COMMAND_ID(wParam, lParam))
			{
					/*
					 * Ensure the OK button is enabled only when a data
					 * source name
					 */
					/* is entered */
				case IDC_DSNAME:
					if (GET_WM_COMMAND_CMD(wParam, lParam) == EN_CHANGE)
					{
						char		szItem[MAXDSNAME];	/* Edit control text */

						/* Enable/disable the OK button */
						EnableWindow(GetDlgItem(hdlg, IDOK),
									 GetDlgItemText(hdlg, IDC_DSNAME,
												szItem, sizeof(szItem)));
						return TRUE;
					}
					break;

					/* Accept results */
				case IDOK:
				case IDAPPLY:
					lpsetupdlg = (LPSETUPDLG) GetWindowLong(hdlg, DWLP_USER);
					/* Retrieve dialog values */
					if (!lpsetupdlg->fDefault)
						GetDlgItemText(hdlg, IDC_DSNAME,
									   lpsetupdlg->ci.dsn,
									   sizeof(lpsetupdlg->ci.dsn));
					/* Get Dialog Values */
					GetDlgStuff(hdlg, &lpsetupdlg->ci);

					/* Update ODBC.INI */
					SetDSNAttributes(hdlg, lpsetupdlg, NULL);
					if (IDAPPLY == cmd)
						break;
					/* Return to caller */
				case IDCANCEL:
					EndDialog(hdlg, wParam);
					return TRUE;

				case IDC_TEST:
				{
					lpsetupdlg = (LPSETUPDLG) GetWindowLong(hdlg, DWLP_USER);
					if (NULL != lpsetupdlg)
					{
						EnvironmentClass *env = EN_Constructor();
						ConnectionClass *conn = NULL;
						char    szMsg[SQL_MAX_MESSAGE_LENGTH];

						/* Get Dialog Values */
						GetDlgStuff(hdlg, &lpsetupdlg->ci);
						if (env)
							conn = CC_Constructor();
						if (conn)
						{
							char *emsg;
							int errnum;

							EN_add_connection(env, conn);
							memcpy(&conn->connInfo, &lpsetupdlg->ci, sizeof(ConnInfo));
							CC_initialize_pg_version(conn);
							if (CC_connect(conn, AUTH_REQ_OK, NULL) > 0)
							{
								if (CC_get_errornumber(conn) != 0)
								{
									CC_get_error(conn, &errnum, &emsg);
									snprintf(szMsg, sizeof(szMsg), "Warning: %s", emsg);
								}
								else
									strncpy(szMsg, "Connection successful", sizeof(szMsg));
								emsg = szMsg;
							}
							else
							{
								CC_get_error(conn, &errnum, &emsg);
							}
							MessageBox(lpsetupdlg->hwndParent, emsg, "Connection Test", MB_ICONEXCLAMATION | MB_OK);
							EN_remove_connection(env, conn);
							CC_Destructor(conn);
						}
						if (env)
							EN_Destructor(env);
						return TRUE;
					}
					break;
				}
				case IDC_DATASOURCE:
					lpsetupdlg = (LPSETUPDLG) GetWindowLong(hdlg, DWLP_USER);
					DialogBoxParam(s_hModule, MAKEINTRESOURCE(DLG_OPTIONS_DRV),
					 hdlg, ds_options1Proc, (LPARAM) &lpsetupdlg->ci);
					return TRUE;

				case IDC_DRIVER:
					lpsetupdlg = (LPSETUPDLG) GetWindowLong(hdlg, DWLP_USER);
					DialogBoxParam(s_hModule, MAKEINTRESOURCE(DLG_OPTIONS_GLOBAL),
						 hdlg, global_optionsProc, (LPARAM) &lpsetupdlg->ci);

					return TRUE;
				case IDC_MANAGEDSN:
					lpsetupdlg = (LPSETUPDLG) GetWindowLong(hdlg, DWLP_USER);
					if (DialogBoxParam(s_hModule, MAKEINTRESOURCE(DLG_DRIVER_CHANGE),
						hdlg, manage_dsnProc,
						(LPARAM) lpsetupdlg) > 0)
						EndDialog(hdlg, 0);

					return TRUE;
			}
			break;
		case WM_CTLCOLORSTATIC:
			if (lParam == (LPARAM)GetDlgItem(hdlg, IDC_NOTICE_USER))
			{
				HBRUSH hBrush = (HBRUSH)GetStockObject(LTGRAY_BRUSH);
				SetTextColor((HDC)wParam, RGB(255, 0, 0));
				return (long)hBrush;
			}
			break;
	}

	/* Message not processed */
	return FALSE;
}