//---------------------------------------------------------------------------------------------------------------------------------
//?File:?core_conn.cpp
//
//?Contents:?Core?routines?that?use?connection?handles?shared?between?sqlsrv?and?pdo_sqlsrv
//
//?Copyright?Microsoft?Corporation
//
//?Licensed?under?the?Apache?License?Version?2.0?（the?“License“）;
//?you?may?not?use?this?file?except?in?compliance?with?the?License.
//
//?You?may?obtain?a?copy?of?the?License?at:
//?http://www.apache.org/licenses/LICENSE-2.0
//
//?Unless?required?by?applicable?law?or?agreed?to?in?writing?software
//?distributed?under?the?License?is?distributed?on?an?“AS?IS“?BASIS
//?WITHOUT?WARRANTIES?OR?CONDITIONS?OF?ANY?KIND?either?express?or?implied.
//?See?the?License?for?the?specific?language?governing?permissions?and
//?limitations?under?the?License.
//---------------------------------------------------------------------------------------------------------------------------------

#include?“core_sqlsrv.h“

#include?
#include?
#include?
#include?

#include?
#include?

//?***?internal?variables?and?constants?***

namespace?{

//?***?internal?constants?***
//?an?arbitrary?figure?that?should?be?large?enough?for?most?connection?strings.
const?int?DEFAULT_CONN_STR_LEN?=?2048;

//?length?of?buffer?used?to?retrieve?information?for?client?and?server?info?buffers
const?int?INFO_BUFFER_LEN?=?256;

//?processor?architectures
const?char*?PROCESSOR_ARCH[]?=?{?“x86“?“x64“?“ia64“?};

//?ODBC?driver?name.
const?char?*g_drivers[]?=
	{
		“Driver={SQL?Server?Native?Client?12.0};“
		“Driver={SQL?Server?Native?Client?11.0};“
		“Driver={SQL?Server?Native?Client?10.0};“
		“Driver={SQL?Native?Client};“?/*?
		“Driver={SQL?Server};“?*/
	};
int?g_driverId?=?0;?//?will?be?a?number?between?0?and?3
//const?char?CONNECTION_STRING_DRIVER_NAME[]?=?““;

//?default?options?if?only?the?server?is?specified
const?char?CONNECTION_STRING_DEFAULT_OPTIONS[]?=?“Mars_Connection={Yes}“;

//?connection?option?appended?when?no?user?name?or?password?is?given
const?char?CONNECTION_OPTION_NO_CREDENTIALS[]?=?“Trusted_Connection={Yes};“;

//?connection?option?appended?for?MARS?when?MARS?isn‘t?explicitly?mentioned
const?char?CONNECTION_OPTION_MARS_ON[]?=?“MARS_Connection={Yes};“;

//?***?internal?function?prototypes?***

void?build_connection_string_and_set_conn_attr（?sqlsrv_conn*?conn?const?char*?server?const?char*?uid?const?char*?pwd?
?????????????????????????????????????????????????????HashTable*?options_ht?const?connection_option?valid_conn_opts[]?
?????????????????????????????????????????????????????void*?driver__inout?std::string&?connection_string?TSRMLS_DC?）;
void?determine_server_version（?sqlsrv_conn*?conn?TSRMLS_DC?）;
const?char*?get_processor_arch（?void?）;
void?get_server_version（?sqlsrv_conn*?conn?char**?server_version?SQLSMALLINT&?len?TSRMLS_DC?）;
connection_option?c

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-03-08?08:32??sqlsrv\
?????文件??????134144??2014-06-19?08:38??sqlsrv\php_pdo_sqlsrv_53_nts.dll
?????文件??????136704??2014-06-19?08:38??sqlsrv\php_pdo_sqlsrv_53_ts.dll
?????文件??????134656??2014-06-19?08:39??sqlsrv\php_pdo_sqlsrv_54_nts.dll
?????文件??????137216??2014-06-19?08:40??sqlsrv\php_pdo_sqlsrv_54_ts.dll
?????文件??????146944??2014-06-19?08:41??sqlsrv\php_pdo_sqlsrv_55_nts.dll
?????文件??????148992??2014-06-19?08:42??sqlsrv\php_pdo_sqlsrv_55_ts.dll
?????文件??????146944??2014-08-30?10:19??sqlsrv\php_pdo_sqlsrv_56_nts.dll
?????文件??????148992??2014-08-30?10:18??sqlsrv\php_pdo_sqlsrv_56_ts.dll
?????文件??????146944??2014-06-19?08:38??sqlsrv\php_sqlsrv_53_nts.dll
?????文件??????150016??2014-06-19?08:38??sqlsrv\php_sqlsrv_53_ts.dll
?????文件??????146944??2014-06-19?08:39??sqlsrv\php_sqlsrv_54_nts.dll
?????文件??????150016??2014-06-19?08:40??sqlsrv\php_sqlsrv_54_ts.dll
?????文件??????160256??2014-06-19?08:41??sqlsrv\php_sqlsrv_55_nts.dll
?????文件??????163328??2014-06-19?08:42??sqlsrv\php_sqlsrv_55_ts.dll
?????文件??????160256??2014-08-30?10:10??sqlsrv\php_sqlsrv_56_nts.dll
?????文件??????163328??2014-08-30?10:15??sqlsrv\php_sqlsrv_56_ts.dll
?????目錄???????????0??2016-03-08?08:32??sqlsrv\source?code\
?????目錄???????????0??2016-03-08?08:32??sqlsrv\source?code\pdo_sqlsrv\
?????文件???????30828??2014-06-05?08:31??sqlsrv\source?code\pdo_sqlsrv\core_conn.cpp
?????文件????????6657??2012-04-10?04:48??sqlsrv\source?code\pdo_sqlsrv\core_init.cpp
?????文件???????55506??2014-06-18?03:58??sqlsrv\source?code\pdo_sqlsrv\core_results.cpp
?????文件???????87969??2014-06-06?07:11??sqlsrv\source?code\pdo_sqlsrv\core_sqlsrv.h
?????文件??????106299??2014-06-18?04:01??sqlsrv\source?code\pdo_sqlsrv\core_stmt.cpp
?????文件????????9481??2014-08-30?10:10??sqlsrv\source?code\pdo_sqlsrv\core_stream.cpp
?????文件???????13662??2014-06-06?07:18??sqlsrv\source?code\pdo_sqlsrv\core_util.cpp
?????文件???????52446??2014-06-07?05:10??sqlsrv\source?code\pdo_sqlsrv\pdo_dbh.cpp
?????文件???????14410??2012-10-12?04:17??sqlsrv\source?code\pdo_sqlsrv\pdo_init.cpp
?????文件???????12044??2012-04-10?04:48??sqlsrv\source?code\pdo_sqlsrv\pdo_parser.cpp
?????文件???????15681??2012-10-04?23:12??sqlsrv\source?code\pdo_sqlsrv\pdo_sqlsrv.h
?????文件???????50766??2012-10-12?07:45??sqlsrv\source?code\pdo_sqlsrv\pdo_stmt.cpp
............此處省略25個文件信息