|
S3/S4/S5 Long Run Test . Y- }0 w8 c" U: u' q' O
. L! e' B) V/ M1. Why need it?
: J+ N2 O* G2 I* R7 A J3 {3 f0 S, g( l2 h& S: H5 F' B2 P) K
NB研发的工程中,需要跑很多的测试项目,其中long run S3/S4/S5就是非常重要的测试项目。而且对于测试结果非常看重,一般long run测试fail就没法出货。常规的测试方法就是10~20台机器测试S3/S4/S5 1000 cycle,如果fail率在万分之几就有可能要挂了。于是我就有了写一个long run S3/S4/S5测试程序的想法了。
8 @. s6 ~" D1 b9 M! K! M# Q
# y) z) x& C/ E3 ~- V+ ~2. How to implement?* y: I, Q" R% U6 X( X- l0 v# F* H
$ d( N! l# }7 j& d- r& e心动不如行动,Let’s go!经过几番查阅MSDN,S3/S4的功能已经有些眉目了,可是如何实现S5 wakeup呢?猛翻SDK&DDK,狂试API结果发现不行,好像没有相关的API能做到这件事。最后联系微软的FAE,他们的结论也是如此。既然常规做法不行,那么我就另辟蹊径。我知道BIOS Setup menu 有个选项可以设置RTC唤醒,只要机器还有电S5的状态下也可以唤醒机器。那么BIOS是怎么做的呢?我请教了BIOS 得知需要做两个动作:1.设置CMOS中的alarm time 2:将chipset RTC_EN bit置起然后进入S5。系统在alarm time到达时会产生wakeup event,Chipset会送power sequence系统就会开机。通过一个IO port driver,完成上述过程后我调用API ExitWindowsEx(EWX_SHUTDOWN|EWX_FORCE,0);关机,我等的头发都白了系统也没有唤醒L,到底什么地方出了问题呀?后来我用SE.exe模拟上述过程,结果发现RTC_EN被我修改过之后,过了一会居然又被改回原来的值了,看起来windows在幕后做了不少小动作哦J,这样一来这个方法就行不通了,那么该怎么办呢?答案就是使用EC_BIOS去做,只要有电EC就会运行,那么S5时EC仍然在工作,所以只需要EC在特定的条件下模拟一个开机动作即可。思路已经有了那么该如何实现呢?方法有两种:a.通过IO port driver 下81 cmd给66 port,然后将EC ram index和value送给62 port,这样就可以修改EC ram了,然后EC在S5时检查该EC ram值如果非0就倒数计时,时间到了就模拟一个开机动作,从而完成S5 wake up。b.同样是写EC ram不过使用不同的方法,我们可以在BIOS asl code里定制一个WMI ACPI device,并且在该device scope提供query/set EC ram的方法,并且提供一个WMI ACPI的driver,这样应用程序就可以方便的操纵EC ram了,而且一旦完成这只driver就可以完成非常多的增值部分,比如我们可以写一个程序读写EC ram中的battery info;或者我们可以写一个读取thermal info程序等等。, a, E3 B$ R% y* M2 C
如下图1是程序的运行画面,该测试程序实现了S3/S4/S5的功能S3/S4在xp下面可以正常工作,而
: ~2 X, y2 v4 z& K5 H
; C* O m6 u: V# V6 w5 b' Evista下无法唤醒L。下S3/S4是通下述代码实现的:
5 |* k; f7 X! c6 a4 F% t6 ?& J5 s# Y5 j7 |' R
8 ?9 e# `7 Z' f* L
6 K1 Y6 W6 z# E7 A. i9 A. v/ X @' Q; P/ T ?( D! Z) R; M8 d
# P$ a; }- E3 U( Z* W2 C图 1
3 ~! L& g T0 S# O1 |2 [9 r8 v5 u+ @' Z7 \9 c( B
# q4 ], J# C1 d9 W4 T
1 \& I3 o# u* H# u' W: h# q
3 v( Z+ @3 M) J* @. F
//hibernate and standby4 q) E! I2 N4 ^ C9 L! [
7 I# k; `+ h7 k$ e, b, G/ `2 D
int
5 Y2 v, i0 r" {/ I5 Y XCAutoPowerOnShutdownDlg::SetPower(BOOL& V1 G. D' B& G2 J: x( w1 m4 C
bSuspend,BOOL
2 y- Z2 C8 J% o$ i, D+ ]bForce)6 C( _- q; G; _# a6 R8 w# M) H
& B1 w, K6 x- t }5 C# q# d9 c{" a' j8 u( x! ]' ^. G
1 f: t6 H9 B1 d% I2 h6 e
& G! ]' v3 q* e. T" o
TOKEN_PRIVILEGES
5 U$ {* n* {1 X0 J, ctp;1 G. g# n' k' L& C3 F3 s9 ]7 Z
* f/ S( m' E+ g: L/ i& y/ Y0 o* \' Q: M
HANDLE* [2 D( S1 q) z1 m9 j
hToken;( G1 _+ G$ x2 D6 X0 y3 U
* L# y8 b0 L3 r* K' T) M# G
% c7 B2 G! o" KLUID' }; h; \2 H. S; h& I
luid;. P9 m8 }; j' e& Z; |/ n" h( V* T8 l
4 H+ S u: {* G9 n+ Z7 t
# J4 s3 a ?' E: M5 J# I2 gLPTSTR2 ?! O& R& I: y* p# `
MachineName=NULL;
7 d9 M- v% O# [
& `7 y) _2 h5 f& n& m2 j: h
0 R* j* C/ D( ]4 t if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES,&hToken
* Y1 M. }. _0 g2 p))
0 n5 b- `5 m3 p5 O# l' T% k% n6 y# Z
/ J% U S* A5 o4 q2 g3 g% `3 n1 v( Q, O$ Q8 l" U7 ?: a
{& [, P _5 M) D( p+ p6 `) _
- Y2 z1 r" k) H* a6 |: X7 _
return( \7 m, @+ u( c( |, j$ } V* ^; E
RTN_ERROR;
2 q. @+ x5 [( {' {' y- j3 c( [/ J) w
( o, N) Z. K9 M* I
}9 C" I8 W ^6 p* ?" \
^7 w- m l0 [
if(!LookupPrivilegeValue(MachineName,! f6 y( S: ]6 e2 L6 M1 y5 x
SE_SHUTDOWN_NAME,
( w. e1 b2 ?% z) n, S8 b&luid))/ ~+ m$ ?4 ~- T" s# {6 I+ A' J' c
2 X: t& i' ~ p
( Q( ^8 Y5 R' u8 L4 s6 I1 g5 q{
& l1 ]( Z7 _# u
& z9 a- T5 a' L" R8 D$ E3 e return
( ]3 x: q) T0 I* `RTN_ERROR; : q2 X- z$ E6 E* M$ C% D7 _
+ A. O( n& |4 o, r- N% r8 r% A$ B1 |8 h2 w$ U' X+ r% P
}
/ ^" L4 u; a! U9 A' E" z
0 E3 I# f+ w# N
: }- X" X' q+ [4 m2 v' Ztp.PrivilegeCount& t$ g- p1 t# @& G* s; O
=2 ^' T* |! w" T2 a/ L
1;
; X8 \% c5 F; C: {$ d7 _, x& h# K$ i; @, Z6 D+ H3 p
) U# e! ^4 _) Z8 U# Q, Btp.Privileges[0].Luid* R0 N8 R( w7 |% `9 x0 L8 K& S
=& u; B: X( a: u4 o% o- Z! B+ C e
luid;
8 j& f7 W) i" [# ~6 [* Q2 G* z" I$ g% G1 d
% }2 s t& ^) a
tp.Privileges[0].Attributes
0 ?- Z; y- k! D( D2 X" e" H=, n- d6 |2 ]# \# ~$ |* U0 O7 W
SE_PRIVILEGE_ENABLED;. a9 h9 {7 f# ]% s$ a
5 Z; J& Z T5 S: [" u( ?0 E; b4 Q* E4 p4 O
AdjustTokenPrivileges(hToken,% i0 E0 W* Z4 n+ V3 g
FALSE,1 g' H0 Q% M/ x* R: p2 [
&tp,/ N4 f. Q; [% P M7 b% h
sizeof(TOKEN_PRIVILEGES),NULL,
( n/ g* \& U5 I
8 Y5 d$ m0 p* p7 k/ A2 tNULL
9 J) A3 L2 M$ n$ Z6 D# C! });6 x, k5 S# C* L) Q
0 f6 l; ^1 _3 U" O0 |
1 @* b/ q1 ~/ o b, ~/ n, sSetSystemPowerState(bSuspend,bForce);' s( k; J/ ~" f4 z
. c' f# U. \: O9 I, }$ f2 i* l; p$ {1 }! D6 y" |/ H6 b& ~& f& R' E
return3 @2 Z: K: G- j; h9 R5 Y
0;& Q. j( F, j0 U1 o
+ v R: j( n5 M% w; E" V0 N
6 X" E8 ^( S' Y& W3 _/ @ V! c}% E' j/ A! P- L
* Q3 I6 J; C. s! h E
% b0 b9 J8 k' eS3/S4 wake up function是通过在下去的时候设置一个WaitableTimer实
* ]/ \& d W$ X$ Y5 f现唤醒的功能代码如下所示:
, s6 O2 m! C/ L4 e! }. d5 h |
' F0 y+ A) p" {* R$ ecase
/ ^7 G1 h( C8 @3 b+ [3 kPBT_APMSUSPEND:& f" W- ], u8 R6 w( q- X' h
) S* M9 R3 [$ z! Q9 b4 |
8 X% X& D" r0 W
{
* _& g5 P+ d* O# G
) [/ Q4 ^$ u; a) wHANDLE hTimer=::CreateWaitableTimer(NULL,TRUE,CString(_T("WaitForResume")));
5 c. u- J( j7 D* `6 Y
$ ]& g2 I% S9 K2 j if(!hTimer)
/ F8 x; Z! x7 d R
3 C- Y; x8 A, y0 B ~- ~
' U+ _6 R8 F' J. b{$ S8 F7 F$ h' R+ x, k4 _* }' F
+ R1 u2 O, X, d2 S; L, c) P; e( v) |7 S: z* y
5 z3 |/ Z! p: e" ?! K8 Q SMessageBox(CString(_T("Fail3 r# C" I- l' p1 J
to( \: `0 T3 n/ ]4 f: @
create K" Q# i' l* G. T( o
waitable
# W" }/ x5 P4 t8 Ptimer!")));
) c9 g6 [ E$ `) L7 B7 Z/ T9 B$ Y; g: \( x! e& P
0 I9 Z3 d! h9 h( U" x}
5 H7 i$ {5 p r% q- O* [
* T$ t; |+ G1 {9 ^3 Q0 P6 U
# ^8 K) f8 G% X4 \' V4 T; }# l3 O& f& h" n8 r6 C, }; g
* n2 I$ `% o3 H9 N, u' {8 [. @5 X( l6 T0 F, W* [
hTimer=OpenWaitableTimer(TIMER_ALL_ACCESS,TRUE,CString(_T("WaitForResume")));. p+ n+ \+ T; r4 ^. f2 F* l
& ]8 V! Z7 Q* h9 b" Q9 E0 O9 t, }5 e! V: c1 [' y/ l" p
LARGE_INTEGER; L9 ^2 x ?0 d' a" z
liDueTime;
% N/ } k3 z4 ^. x, J7 a7 L7 V0 y& {7 S( a; C7 A
6 R- n. a' h6 w* u( s _* K
liDueTime.QuadPart=m_DlInf.m_TimeSnd *1000*1000*(-10);
7 H* s' g) i1 K6 ~( j% Z" y, T- X( ?$ s4 k- H3 l4 U
if(!::SetWaitableTimer(hTimer,&liDueTime,0,NULL,NULL,TRUE))
0 I: c$ b0 _2 e: M5 P6 J n, `) B
( z7 l% Z9 g9 J& K2 {2 U
: h) a5 v8 x, N. W1 {) t" l2 ?$ _{, j# P3 R: B0 Q
1 R% A) R& X- L, i1 x
" A, O% k+ G1 V/ j, Z4 E
& p$ u/ C/ t/ [9 c1 X
MessageBox(CString(_T("Fail
& \/ N+ a6 G/ k' V4 {# H% E# uto
6 y$ u5 s1 ?& i/ N& n* Uset
4 `3 R: O, m- S- ]: y' ~waitable- ^7 B5 s4 Q4 m+ N/ O8 f' X
timer!")));
; `$ G$ Y3 k5 m; ~- A' Y* k; x3 O* J2 P6 g/ I2 x: E
break;
& m' i6 r3 [6 H. h
* [( P# o w8 M; C% @4 x3 b+ i8 R+ ]* E. N l
}' D# c4 N3 i, A9 Q2 m5 l- ?2 }
* X; J/ w" A# a) s; R4 W
7 d% |2 ?/ Q6 |# r- P0 T3 N- j}( }0 }8 x. O& o2 l- }* ?$ j: w ?
break;
! ]! }7 ]- |! ~2 T+ A2 n
8 C$ R/ ~$ z. G: p# ` V- B最关键的部分就是S5 wake up了我们来看看它的实现代码吧,代码中最核
4 q/ J( [+ \7 C5 o+ S r心的部分就是同连接到我们定制的WMI class MSI_System,然后通过: ]4 N c4 h k% N$ a
HRESULT PutInstance(/ A) G7 l' E% S# S+ D
[in]
2 r- |2 s/ W6 Z; aIWbemClassObject* pInst,4 v3 \" m% c: i" P9 s3 P- l& Q
[in]
( s* e) m9 H/ B4 D) E# GLONG lFlags,
2 A4 L( j5 j' D [* @& Z5 t[in]
. X# C7 H( S) E4 V% {" SIWbemContext* pCtx,& `7 T& H( k" a( t
[out]# X8 c4 i) a. L) ~% c- X& @4 B
IWbemCallResult** ppCallResult);修改该class的System变量而该变量在BIOS的asl中被定义在EC ram之
& c* I9 C: t# q2 F4 i. n- ^中的特定位置,这样就会改变EC ram中的值了。9 D7 }7 K5 b9 A* _
" x& P" }& k8 a' N8 m" M! s
" ^# J" Z# U. ?) i. w
void CAutoPowerOnShutdownDlg::SetS4WakeTimer(unsigned char seconds)
4 z7 e% P( d8 j0 z$ h- l1 w3 M9 f# v$ D( H9 ]4 Q
{+ x: L" L8 F& l& H8 [1 m& R6 i6 ~* u
: @( e) @) b7 m% H, b
HRESULT hres;
! t9 H6 I, u3 M m
) P( C W2 [/ B2 W6 s: y
" h8 z! i) o. y: b3 ?! J
( d: j# c$ s1 Z: O6 W! R6 b
0 r; [4 b! P. [( ]0 z9 H% ^# j// Step 1: --------------------------------------------------, b2 a5 N+ z7 {; c5 Z a
( o* d) I3 Q0 m5 q6 p7 R
* \( m I. e/ g: `/ W
, c! g* G' M1 e: W2 `+ m1 I
// Initialize COM. ------------------------------------------# W# \1 S/ c. `6 x
6 R/ J* U/ C+ d, O. { w, `/ d5 Y0 d$ {% k, }( E
. G; a+ N0 U" ^; ^5 ~% s0 H
0 ?; ?' k& `* ~5 u! Nhres =
6 h$ h3 c1 g; h4 Y; {; `/ N* OCoInitializeEx(0, COINIT_MULTITHREADED);
. G! B z/ V% j+ ]' ?$ i: P6 h2 x0 J4 j# P7 m5 m. B
* T+ N' [" ]. n( h- t2 x5 w1 n" o4 C l
if (FAILED(hres))
5 _1 y% T7 v$ [/ N A
! _) w! }' _- ~. f6 `' Y
; C) ^9 V7 i0 D6 t. E5 E K+ p9 W) b/ O
{
4 B8 y3 g8 D+ @2 S, U `7 Q! V) U
$ |9 l' u: U) ?6 W7 G
4 f2 F; I4 ]; Q+ c+ Y( W. _/ F6 a! A2 M% V2 @2 k, P9 D. ]8 a( A4 H
cout << "Failed to initialize COM library. Error code = 0x"
( p0 D0 y' @) \/ W9 o, {! ^5 ?- y
9 c. @ R/ E8 Q- L7 [' T' y O. u6 e5 {8 v. h) J& R F+ F
<< hex << hres << endl;2 U x: k6 z; V! `1 x/ G2 d: T
return;, U1 D* H6 }8 d* C
/ G& I4 r9 ?" y, ~6 g9 O. B: r3 o6 i2 r+ ~) m L/ P6 i
- }$ k! i# A Y! I) q
}
. |+ e, g3 @) u- a0 x3 M6 p! g# O' i
1 `$ |6 j% N3 |6 ]- C. A# H" a1 q+ ~. G H p
& L. q% w/ L R8 j+ A9 F
, X4 ]! A( y8 J2 F// Step 2: --------------------------------------------------# N& z# T w1 g2 X- J3 G
. a3 O4 @2 K$ |& e% m, J0 o
. ?9 U" e; k' S6 W// Set general COM security levels --------------------------2 S6 K) s" e( Z: [" {
, `' s! N& o1 @
+ L. K1 r/ O: X; {( R9 E- N% S: A b O# K' ^3 o
// Note: If you are using Windows 2000, you need to specify -! ]' P1 b( ?8 P, o$ J
- u/ |) i) r; w
8 @1 W* _4 ~3 h3 a/ w! u. C( S8 z6 A" y4 g' z# I' c+ ^
// the default authentication credentials for a user by using
+ O6 O7 r. D! g# C8 V4 t9 X8 n$ ?: y8 O
9 e( y0 T: W$ F) z7 @. g X+ |7 i9 V+ ?9 \9 A' w
// a SOLE_AUTHENTICATION_LIST structure in the pAuthList ----( G7 C, s$ t- [- ~( {
; G+ z+ p" n! [1 o; N3 y/ F. \4 h e, n& Y P6 K+ o2 k! C
$ V5 ? y/ W/ D0 ], D& p/ J
// parameter of CoInitializeSecurity ------------------------
) E1 O( O4 }2 \; A+ F
/ X" d" E2 W6 s+ [ V8 M: ?9 c- @2 C. d4 A/ ^3 C6 B7 ?$ T
1 `& ^6 H* t' R1 E5 K2 N
; J' V- z4 u" P2 Ahres =! C/ e# f7 Q! W6 ^# }# c7 k
CoInitializeSecurity(
; M9 @+ v% O$ ?3 ]/ A9 F* ^5 n3 L) ~ s$ F& R# \* N. R% u
% Z1 \* Y7 C3 `) J' H* l
- |" `( s7 D, K1 G
! |% i4 \0 Y* ^( A. |) `NULL,
& L! @ W4 ` J* h* M2 ^: S& l: B; Y- K% q
/ G A% r1 b- s. e5 E
U" @) q" a6 [" g2 u6 {) n5 l6 b7 l; y8 _9 ~) ^ k( n0 c
-1,- j b2 w0 `) ^
$ r3 ?3 x2 M% d* O
// COM authentication
2 N- Z9 ?: ^7 |2 S6 ^! E" y* Q* m% g6 O
" G$ E* b9 M( C% D Q) r
5 ~8 B8 {. `$ |; ^1 ? \2 R0 M9 r7 l: d5 {7 ?9 D. d4 X, Y
NULL,
- w' m! U5 `3 Z3 ] u4 w1 U// Authentication services
- M, E6 {% ^- C4 n/ C* Y
) }4 D) o" e; o6 B/ F+ C* T
9 S' w" q% |! X' e; a
$ L1 r# c8 c& |) w- {# I p2 \, w- G+ a: S! Z
T' p% W# b6 e {' ENULL,8 J- w& y( N* q9 r! | t* e
// Reserved
* s0 F% J3 i& p$ A. \$ b1 U# S. x2 g: Z x) ~
/ w5 f# n. ^ P& V$ R" ~8 ~# h
RPC_C_AUTHN_LEVEL_DEFAULT,5 ^3 F7 U+ l5 l3 ~! N
// Default authentication ) d* _: s# T$ t/ t, m& V' ^
) B' @& W- W& {/ ~) v2 v/ \% i2 M/ Z" U- F
RPC_C_IMP_LEVEL_IMPERSONATE, // Default Impersonation; ^" a) B; ~4 |) p! r0 Z. E; M8 g) m
& M# l: |" k2 M
( a) d" j3 p5 C2 v }0 e+ M
3 l* t! [) w0 \: T; e( GNULL,
, x y/ k' P# M// Authentication info
& c6 v/ y0 G1 n4 s j6 O, g4 Z7 x$ G! K1 `7 ]# X, G' s
: Z) _9 ?9 O" XEOAC_NONE,. h6 o$ _/ u7 v( `* C( F
// Additional capabilities 1 d+ _+ Z0 v5 E: o( b* {9 {7 h
2 t5 a5 w0 O) v7 t8 Z" m1 I
8 @5 U' U2 F! E
# C/ {0 Z+ m7 l- y! c$ N5 d% ~$ H& I% f& z y, ?* j
NULL6 ?+ q" L" C% Z- [# w" z
// Reserved9 B, N; _4 a5 J. f" F4 R" ^/ z6 ~
: o# Z, K; A n8 g+ F y1 n. A/ Y0 y; n! D7 a
) x0 h( ]. {/ f1 T! b
9 r% A2 d- \4 d h6 F$ X2 [4 V);
$ x" l: U. l7 h- i4 ?4 m o% ^$ ^
4 o/ |. U6 p2 {- r
5 | `, C; }4 P
# [- W: n4 k1 m/ R7 k7 v; A3 |- S/ w! q/ l7 S, j3 t4 b$ B9 D9 q1 o+ \( ]
if (FAILED(hres))
- R3 s# Z7 V; i( ~. L* Y/ r5 y% H6 {0 [2 [
4 I" A5 G# a) m. {5 P& ?
{
0 X( S6 Q& f- o# C0 L5 y
) M/ q0 K; b$ l$ u" C p; S
. A0 R% d& v2 ?6 p" |" _cout << "Failed to initialize security. Error code = 0x" # O/ [4 G( P7 n& k# \2 S( f! _2 {
/ ?+ ?6 y0 r- I# e
6 e7 a0 a: r: F* t( r L
<< hex << hres << endl;
& F' X. a7 ~* @; W) ?% J U6 K0 k; g4 t& q0 B2 g. T5 G
$ L; C0 `4 _! u
CoUninitialize();1 D: L* E7 b p
return;
' A4 {4 O3 U0 _' X6 p0 T$ K/ L# L5 s
) f. p% r: G* t- J3 @8 @
}
0 o3 b! [$ Q' R2 H3 p8 |: }7 U- Y9 X- O3 `% D/ Z7 p1 B4 ^2 F
' Z7 N- q3 u3 r ~/ X
% x# L3 _# l: ~' c$ K0 G! _1 l3 l/ e. N
// Step 3: ---------------------------------------------------, A+ S. A- p4 D: N4 G- w/ v% Y
! t( J9 C6 O) p- L- o
0 X# X* E G7 |5 l- D8 j- v5 [3 d, u// Obtain the initial locator to WMI ------------------------- ?& S* `) G- M) S
1 m1 r7 z) P; b/ I4 \+ h0 G
6 {: m3 W2 b9 Q$ a/ e
$ t) R) [" @5 x, r) U9 h6 j4 o& _% BIWbemLocator *pLoc = NULL;- O( O0 }* s0 v
! `) D( x9 ^8 O% |
: p$ z+ \$ v. j+ V9 Q; _( |6 r2 R- y
hres = CoCreateInstance(
6 C0 C) d- O/ `) Z. L/ A/ H7 x# Y
' `& y) z2 v3 E- R2 z, ^# o0 T" u# V5 Z
CLSID_WbemLocator,
' [ L1 \- {+ [
# v N3 P" z& y- g3 W
+ F2 f7 G, C) k* B/ p" N2 W4 s4 s5 d8 D7 H$ K
0,
2 u5 R% P3 b* Q+ e9 j) h, u7 G: t' }" P: r; l$ w: P/ B6 M
0 T {' c" N6 YCLSCTX_INPROC_SERVER,
: E, e o3 A6 `
7 }4 y `: ^9 t3 }1 l+ V: N) z: M9 T. c% K
IID_IWbemLocator, (LPVOID *) &pLoc);
- R2 i+ ]2 g: n& y# _3 ~" d, d# X# m, i
5 R5 w% e2 o& P, L; t
! @: D/ V; o3 H h3 y2 `8 S# P3 m' E {/ n# [- U% M( Y4 H* ^
if (FAILED(hres))
5 I! n( E% q% V6 Z. ^* R5 e' S+ W2 q; E- Q: p3 P5 c
2 n8 e6 |7 u9 q/ \% \: t: x, e{
( D6 y$ u2 n$ t: n: }% t, n8 x, y4 w z& w, [3 h
( Q; |3 w7 h" v' l
cout << "Failed to create IWbemLocator object."0 Z1 I8 X4 _2 j1 Y" s
/ m- m+ k; d: N6 p8 N( o
% r5 ?3 W" r9 E k, i) |<< " Err code = 0x"
4 C7 q" \+ x5 k% ^+ \: `+ y
, s: ]$ k ?" E
) m5 Z) ^" A! t: c6 M5 ?% K<< hex << hres << endl;/ g' D: U4 S7 G
% a+ i- i* P2 L N! }+ E2 @# n
( s! w5 H+ K, j3 Z
CoUninitialize();
8 K8 E, q w$ J9 O2 x8 }+ s
% F2 m) N$ C& W" k! Y; A! _7 c0 m4 u8 r0 F
return ;
! {* I' Z. A3 N* r7 ], m8 u ~( v// Program has failed.
3 s9 r% K8 {8 \' r! F' }% u. [1 d# J1 G! O/ g8 f F
, U+ E. g2 A! k: N
}
0 e1 c# s( {5 O1 ^! H; e) D Q+ ~
' g7 D; w8 ^ z, {! T8 Q4 q. l# v" ~' S6 S/ l$ A
; @& D, f! B: x2 `
// Step 4: -----------------------------------------------------, S! f ~( P% W1 _* T, H
+ ?7 T, b* t2 |/ ^9 @. G3 {
" ~. l: d2 Q, _5 K* c6 L" Y) d5 `4 o+ \2 w# b9 k, w7 N; }
// Connect to WMI through the IWbemLocator::ConnectServer method
; o3 d! m$ _ W$ `) J, B
' U) _0 \0 F" Q1 o- i) X
: q/ Y9 v8 c, j" n) |! I- K0 s6 z4 d/ u
IWbemServices *pSvc = NULL;4 ~% M2 U" }) u' {/ i! ]
0 N u% K4 y+ O9 K( D0 A; S
7 @1 s7 Z/ x+ S5 G) t* O' f% `: C3 C1 b7 V4 i6 `* P# ]1 e- H% W
+ E5 a7 K* F# E4 f, X5 s4 U V// Connect to the root\cimv2 namespace with/ P$ E; z3 D! a
3 G* Y; d4 A& ^5 m- e4 B7 X
' [2 ^3 W& K3 u |9 _// the current user and obtain pointer pSvc/ y: @/ d u* V( R2 W7 `5 ?
; o, ^) p9 l s( m
' ]6 h8 d! s4 i% u// to make IWbemServices calls.+ q# Y- z; E+ l* x5 i/ s% V
- @9 Q5 V, a5 Z0 ^% j& H& u
, r2 c# b$ ]* A+ E; y
hres = pLoc->ConnectServer(
$ \: ~+ j- Q( ?7 A* Z- ?: b1 X/ w6 I2 z
. K9 g/ F; y* H: l; I5 t_bstr_t(L"ROOT\\WMI"), // Object path of WMI namespace
! A4 d/ [2 W! w1 ^2 ~% Y$ ?% g8 e
1 R9 I5 j5 ^) ?4 I( B2 L6 K% R5 z4 A R, `3 Y/ F. \+ i
NULL,5 v$ q- ~" n8 f, E# r
// User name. NULL = current user
3 b! I t! c) H/ n, G
4 [0 H+ {: t$ m7 G6 C1 I+ J6 m- `. N' g; Y
NULL,1 f2 x' w% T' W& V- d3 h
// User password. NULL = current
; j: g6 R1 o+ k6 g4 b* y2 i; k$ {$ Z8 F0 B8 Z0 ]$ `
7 d, B2 r# M0 q
0,
8 d# s$ u2 Y" ?* b2 L// Locale. NULL indicates current, U( N- @: s+ E7 g
- { }( |$ }# N7 S
. X/ F) ^. C$ G, i
NULL,
& @! U4 W' t; B' F0 w$ H7 w b3 b// Security flags.( ]! v" m2 ~+ V. Z
3 c7 q/ a/ i7 p: ?8 e) h
% o- \6 m2 x# x7 D' q' {+ h* v1 v/ U0,
- R" L" P5 M7 P& O5 i// Authority (e.g. Kerberos)
5 Y6 T: w- E! n7 y3 G8 g: d$ M
" m% P+ p. r" V5 Z
A- `( p! S% [9 R+ h- m0,, k$ S0 J$ Y7 F. B7 x! _
// Context object
4 h) Q b6 A: O; L# Z. i8 i9 H& \; h# p* H
0 m- d' }; U: l, L! a1 u&pSvc9 a, C! N9 R% [& u+ q
// pointer to IWbemServices proxy
$ N- {+ Q# A9 d q5 Y C* a3 k4 _- K& \ ^; U$ B
' ]7 m) a6 r) l1 A);
4 P" c. |; T' _( \. S# B6 [
' y4 J1 U% [! b8 }5 R
3 I9 k; |) E7 _2 f+ m3 g0 L( A) v, t
: X) v& k: |& O# t
# H4 D( G4 R6 D3 S0 |% Zif (FAILED(hres))7 l) T- W0 Q) ~2 ` G) p
! @- j4 b- m( Y( W1 F
1 S& }+ c+ t3 o{! d& t: h- Q: E
7 d5 L) [5 j+ S* U
J ^5 |) w( S% z: ?
cout << "Could not connect. Error code = 0x"
1 L5 H: m- l% K4 ?0 _& {
- Y# ?# g9 a; O. W
" p* P, K3 \ W7 \! ~3 T<< hex << hres << endl;
0 e9 I0 ^/ A$ \/ O3 ^/ S; W4 g% y& @& ? {9 ]
9 M* } I9 i$ e4 }- ]& b* U
pLoc->Release();
9 H+ O, N0 i$ o+ k; w$ w* [3 T
2 p8 q" h" o0 ~& L1 i6 F5 @
; H, b4 M' o M3 i$ R# j; BCoUninitialize();( h( O8 H+ O S& _
: U* Z4 c9 e L" k
* f) W; b$ U+ m: L* P
; y, [/ ~, l G4 V
+ o6 x+ P5 ~8 v& Creturn ;, ]2 F* q! D8 i; A' t; c
// Program has failed.
% y6 X3 P5 a& u
% f; y( F+ I ?1 a$ b7 c, ~( R
C* M# z/ J) ~( U& d$ e$ a; Y5 M3 c}& A6 A9 ]: o. g
! \* L5 }8 {) R. \+ h, @: A, m" A" Y. D, e
9 S+ H5 O# |' } E% a( t: Z0 kcout << "Connected to ROOT\\CIMV2 WMI namespace" << endl;/ l& @ j+ d+ C
! w$ Z; G& d6 N. Q0 ~* G8 _2 `- G
8 S7 r% s0 v* \- r: b! P9 Y
' r$ t8 i, ~7 w( R( g
9 Y+ t8 x8 r* N) G3 X" B9 w// Step 5: --------------------------------------------------
. E8 ~9 i& t b2 D; _) ]& t9 M6 g) C6 ?- b0 g+ p$ Y5 n4 y0 G
$ \2 B. e4 E- r3 K// Set security levels on the proxy -------------------------% s, t3 M' r3 w# j {" I% }
* G( @+ Y& Z6 C, H5 f. v' e7 c+ U u# ?1 t1 H, L' J; r4 m
7 I8 g1 h; F- n! Vhres = CoSetProxyBlanket(2 G# d: t5 _ b$ T
; }+ J( t) o! q0 B1 H1 g6 N2 f: B
pSvc,
" { u' O% v( U) B8 J! R5 S// Indicates the proxy to set6 S$ J$ B, r& Y- N" `
0 `, C# k+ {. D; q
7 K5 T: i7 p( a* c f8 L7 A, `RPC_C_AUTHN_WINNT,& r* F C% N: R8 j- N$ P) p
// RPC_C_AUTHN_xxx
0 Z& Z& L' j+ n3 ] G6 E2 p5 ?6 ^
+ ^3 i O" w& ]3 P4 ]3 Z7 S9 p, q) D# v0 a( b- A( J' r
RPC_C_AUTHZ_NONE,. z: t% P5 T1 Z2 }0 s
// RPC_C_AUTHZ_xxx
0 w9 b& m& Q) A) x5 c | P
) U, x1 q, `2 H+ b( ?" C! ~" q) \5 q5 j: P) G. \
NULL,+ \9 c" k( I; ]; M3 ^8 D
3 i7 \: C0 v# A1 m' G// Server principal name 6 r x1 d! T5 L
' b& @& |& W( k( t: Q+ u( S$ U t$ _; P
RPC_C_AUTHN_LEVEL_CALL,9 a) P& n* \; v9 J4 d
// RPC_C_AUTHN_LEVEL_xxx 9 O' x" S2 Z1 b( v' Q- _
; V1 h& X6 G9 G. `' }2 L3 G4 _$ M7 y% \( }; q8 L l2 x) L; z
RPC_C_IMP_LEVEL_IMPERSONATE, // RPC_C_IMP_LEVEL_xxx
$ {# b+ c6 z$ Z8 p4 ~
m" `7 D' ^9 {) a
: t' Z U! @# g1 JNULL,) |/ \/ w1 h: x; E, e- q
// client identity9 L- b {9 ~0 |8 }
& A, j# i: r( T0 U" s0 ?1 a& x% @7 M x: @9 x. B3 j
EOAC_NONE/ q }- A) u& E3 D" D' m
// proxy capabilities
/ J+ X( e7 G; F
; T4 |, p' d4 ^# z5 ]8 i) S1 h: y) E6 ]- P
);
% D! \) b H' E$ \6 ]
: L; ~8 ?7 x7 f% P
+ r% l `5 u6 t) J5 r1 r; p, ? w8 v& e, v
if (FAILED(hres))! {$ u/ V3 W. c ~6 c8 J* y; v
+ a; Q: i# D8 k( ~/ Z) ~
) ^ I5 G+ N# u0 H( b) Y{
8 R9 S+ P7 v I- t- G: x6 s8 e% D# f3 J6 p
3 g3 T; J6 x: x
cout << "Could not set proxy blanket. Error code = 0x" 5 P9 i) u% [3 U* @" U# y/ S, `" I
1 |) U5 g# }2 W6 `
. {7 D& z( e0 Q) Y* c$ W: `. i<< hex << hres << endl;
1 V) m4 L' q3 \9 c0 } R; ~# D" [ ?
; S& |0 q* w6 B. s
pSvc->Release();
S. a. J; L+ `. @) w$ H; s/ ]1 q7 o/ o; M# P7 O5 a( G+ P
9 \' v. w z- m# ipLoc->Release();
: @0 J! G4 K X
$ D7 n$ U3 ?6 Q3 h( _0 O
! ~( V/ a' y( n
; E% x* v& b4 y8 xCoUninitialize();
( F! c* i5 {8 U/ n- K4 B0 h: t d% z9 D6 G, I+ s
6 J6 b0 w' [& s$ z6 N, m$ t2 wreturn ;8 X9 y' R4 O% Y
// Program has failed.
4 L9 _" ?! h- b3 c1 A6 x( u5 F3 J- V( v4 G2 x+ A. h' v6 i7 N
: c" Q1 g, m; q+ z6 Z6 b
}4 [) u- z3 d4 b
% M* l8 U' N, ]# B# U8 q
, c/ E9 K+ {* D" x' c2 p4 F# n% Z- d0 |9 b0 x
// Step 6: --------------------------------------------------$ i0 r/ L/ p$ t8 P& Q$ V1 G" V
5 Y, u+ Q- t) _$ `
1 Z" {3 \8 ~8 q9 J- P
// Use the IWbemServices pointer to make requests of WMI ----
3 o! x2 e; {' Z5 b/ v U$ M
; v' \/ ^0 {( R4 B
9 h4 C7 f/ [9 Q4 N* o0 W& A/ x5 k- T" ~- B' E; O4 B
// For example, get the name of the operating system$ q* s( T1 N$ z4 W5 C1 R2 t& j( e
7 c7 r2 `. L( S* Z/ A; j% K; K
: [; A* Q! @1 a9 k! JIEnumWbemClassObject* pEnumerator = NULL;/ X' o: s' E1 p$ W4 ~
3 W2 G0 h. C5 g
* y# N) T: a# o9 o, b- Q
" U& m5 M0 v' Z, c. Y f8 _
hres = pSvc->ExecQuery(
) g6 Z+ j5 ^' A- g" V% x
) m- z0 y8 Z- C6 d7 i0 x' f
0 Q( P8 X4 ?' C) }& O& ^+ \" }bstr_t("WQL"), 9 Z, `* c Q6 @2 _4 M* \& V* Q
: R2 f# J5 I/ x- B
7 E n4 g" z( fbstr_t("SELECT * FROM MSI_System"),/ r2 ^- X$ D2 P7 W6 g
$ ^+ T. U8 K) n! Z: D. @' G# w
- x: V$ U& Z8 s! z3 | }WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,
5 V R! l$ Z. o- \% x, v
- f2 R1 r/ @4 |. ^$ H" A+ a
/ D0 u/ t; V! [" e3 Z- Q! x; [5 ~NULL,6 L7 L2 `* ~7 p' y, K
9 e2 P5 R0 \; ^* _6 _; U
# v' S- l1 q, N( D# S: g4 `4 x&pEnumerator);, O$ Z9 L2 @, K5 d
# f# M# Q$ h# t! i! I4 E$ v- U6 o9 e6 T+ @3 d- r
' C. [; p; A) n1 e
6 R d0 N1 D4 k) Bif (FAILED(hres))
1 k2 R8 R% G0 o6 ?2 W( ?. ~8 a, K$ \8 a+ j7 s+ o8 Z
/ D# Q+ J; D; `# [{
5 K+ q- N+ O! X" @( r
* g/ f5 t# T' G; g$ R/ a- F/ G( w( ~' b3 n3 @4 `
cout << "Query for operating system name failed."# m3 \& u) N7 x# x8 l, @1 p- Z
# c0 _. \8 r* B2 u" s4 X6 w4 e$ ]8 ]+ Z2 S
<< " Error code = 0x" ) g0 }' P7 |5 s* Z4 i6 d" s5 O
9 }8 Q$ S( j6 f+ \; y, k
$ _; I9 G6 ~+ ?" H# W) q<< hex << hres << endl;2 v! S2 _( e& E
& m9 ]* i0 M' r* A' {* D" A! |' c1 L- ? a
pSvc->Release();
2 e) P% O; e* q, e" c; ^8 N) c5 i: m# q; D8 s. K
) e3 K) D% j+ }* M, w1 f/ s2 wpLoc->Release();4 _. f5 A- R7 c& B p, b
8 w' }, k7 J3 A4 Z. G x: Z. ~+ }: U) ~1 M- D8 [
CoUninitialize();
6 R6 C5 C& L- A' m! B* [" |, _8 M& \4 f1 y/ z! f
1 r% \8 E; ?( T0 {
return;
* W& ^+ f; U* D* d T- n9 `7 b4 y6 D) P9 ?; ~
// Program has failed.% W: H6 i' d8 r) o, @
7 @+ b" j0 T, g% K i0 `
9 d! g) z( P' W3 D# Q8 W
}2 [+ J: ~: H# ?: d3 m
3 |& ~& S, b" p
4 N. S5 O( k `* i, v3 l8 q% A8 P, }) n' v/ K7 ~
// Step 7: -------------------------------------------------9 z2 G1 h; Z# [# R, ^" {( R1 I0 g
) I3 X( @7 A; Z
M3 H6 C# f8 P$ f/ |// Get the data from the query in step 6 -------------------
( ]& b+ S1 }0 w( V$ d1 ]. ~- K5 z" T5 C: l
( I; m& n: h7 e( l7 @
5 c9 @$ g, L+ j; L
3 n7 Q8 X3 Z# D% T8 D) ]8 T# u
IWbemClassObject *pclsObj;
7 N) A% o; p" E3 ?9 s3 |0 h" c/ y5 ~
) p( M. h' G' @
6 @; M, J# @5 K! m9 R% F# iULONG uReturn = 0;
/ W8 a$ g D! b) e' v1 v0 j4 p8 r; P7 d3 w
5 M- ~4 c c; Y* J* L5 i6 Jint count = 0;
5 Z S+ {# N: F, P' u1 [
/ ^; M8 p0 \$ k/ w$ t' D y$ s& ?3 ]/ h; v) }: ^5 u0 ?
while (pEnumerator)
, t0 @ X5 e Z+ o
$ N- F8 V9 h9 k! K, x5 ?4 g, O2 T. X) J, G. h
{9 Z* w# c- s/ u4 H }
) X& ]/ s/ k* n6 f" j
7 }* Q- q+ {$ m. K3 L* u
4 v# _* Y3 X5 n0 ~" e/ F) pHRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1, 9 q/ A" k6 I! d; C: S
% @6 U" I; ^+ P S8 W4 M9 I
& X! |/ P4 [4 m. Z$ a; y: Z8 j: f) k& \# S* C7 q' Z8 x3 c
&pclsObj, &uReturn);8 ?4 @( H) d- F
9 @! a$ S0 f$ ~$ [/ |! w1 {' h9 u: d5 n% c a; _
! Y1 U) N' [4 c4 J: p4 }; a
$ D8 x+ \3 t7 M( Y2 G1 B" pif(0 == uReturn)
, v2 b+ I4 q W% ?6 k, n( p+ A
; X4 V% R1 Q( ]; b3 ]3 q) {. Y+ b0 {( Y
9 D$ J2 R! X5 N5 W$ U{
! @9 }% G/ M& x* o1 B' g+ c# z+ |) C" x$ Y% b
: T; T. N2 b/ N! S8 S
! B. H+ o) J4 ?6 G, U5 B2 Mbreak;8 p' z9 Z6 p$ X# V+ z
8 ]9 \% r) ]+ o& [! Z
0 x7 `: O+ F' Z- Y. q
. G+ J: I& n% ~' [4 y" c* @
}: `' N4 ?6 ]) ^) R2 [! d( z2 F
9 f4 H4 e/ _2 c& C( k if(++count == 3)
; I# J D F O" o3 X) N/ k; P$ `$ m3 f( V2 A+ c* }4 l! b
{' e& @, H; k. J- y9 d( D1 {, c
; S- C: g# T- g( k& }CString tmp;8 ^0 }& R, f4 Q
- m+ I$ y5 \7 H3 q$ D; e, E
tmp.Format(_T("%d"),seconds);
* l$ P. l5 b- I: }' ^# R! k
, I0 \/ b, q+ ~: r7 d0 M) M7 J
// Set up the property value.0 ]* W% a, y% V v4 W) O7 w. _
3 v: t8 s" t. |. NVARIANT v;
# i. c" c5 q2 }: m) ?5 s6 j9 q) O3 D/ [3 V4 m/ n
VariantInit(&v);3 ?: n) [" u/ {: C+ J/ _
, d. w( y2 f- _1 n
V_VT(&v) = VT_BSTR;
8 g: w& Y: Z8 Y' J9 x" `( c+ ?. Z5 y# C7 U2 \6 P6 Y
V_BSTR(&v) = tmp.AllocSysString(); // - decimal format, not hex& x6 ~8 M( x/ f( l0 u, r
" h+ r5 i D% M' |
, f( W. ]+ H5 |8 c
hr = pclsObj->ut(L"System",0,&v,CIM_UINT8);. |8 [$ b4 L- d/ a( p8 S* u5 n
// Clean up.
2 j+ N8 d+ j" G9 P8 h: Z" v! Y# ~2 G
j6 J7 k7 E" N9 m. M" sVariantClear(&v);
; _' ?. ~1 d: z* [
$ t7 o2 t1 b! O8 b; p8 H, {# T) T; G+ ^
if (hr == WBEM_E_ACCESS_DENIED)/ P& a% s, U3 {: G5 g% I
* }- n) M2 I/ ~/ i; b
{
% f- }0 R8 d+ }0 d) f; O7 k, P( B% i6 K5 m8 ~7 i
printf("WBEM_E_ACCESS_DENIED\n");
& R/ t0 ~$ A9 A9 U
) v$ }) M0 c' p+ }! ?6 J // Processing to handle specific error code
0 R3 ^' F4 `' C1 r& N9 ?1 t5 e1 x- q! ^: F* j0 F5 I
}' }4 X ^- Z T7 s8 B# F, n; f
else if (hr == WBEM_S_DUPLICATE_OBJECTS)
' A4 o0 b& ~2 J
" X- z" P' z( ^9 A{; E3 I6 ^% X0 z* S' M8 J
7 h/ c U; s8 f$ f- |/ D; Q8 S* B# ^: Kprintf("WBEM_S_DUPLICATE_OBJECTS\n");" m0 G2 ?% [5 m9 W
// All other cases, including errors specific to COM
' |* T/ G/ n" S6 Q! g) W& k
3 d2 O! t; a4 e7 P}2 c1 T* u% |, ]. T, ]. }
else if (hr == WBEM_E_INVALID_OBJECT)" X6 i2 i r/ } y0 ^- c6 @
J- O3 \2 a- `4 g) M+ R1 {
{ e" \* G' I# p
( {) X2 r. J5 G4 S g4 \) oprintf("WBEM_E_INVALID_OBJECT\n");
4 D2 Z& K7 W# m; S, o2 @/ Z& ~
, w( X" L. {& R1 D8 @/ g6 o}+ n0 v# e5 Q+ u
else if(hr == WBEM_E_INVALID_PARAMETER)4 \/ e' j: |4 l. Q3 T4 e2 z0 V
. }0 R. d2 r! P2 y5 a5 m- c{
, t( w( L, {& K0 f% ~2 U9 x0 G5 J3 Q7 D6 y
printf("WBEM_E_INVALID_PARAMETER\n");
. w* D) A' n, P7 D- H0 w5 m
) B! O1 m$ b; r& U/ k* S}
( q5 e0 `! ~" B s# Q& p7 b. [; H else if(hr == WBEM_S_NO_ERROR): G0 `' {5 f$ K7 G4 v
; x6 R/ A; x8 f( C0 U
{1 @: p: }- Q* I; z" J- M. r
5 P; L5 i. D1 x# m; o( Dprintf("WBEM_S_NO_ERROR\n");
: Z) m3 k- G6 [( R$ X; D
) C+ x9 x: t: v1 Z4 T7 z}5 p! n0 F/ d" C9 m! k7 }7 E
else - W! c( }2 H5 c+ t2 h* T+ {4 ^
9 I! J; [7 f6 Y+ U& [8 `printf("ERROR:%x",hr);$ h# ?. N& P# @! { u) m
, f& M! e- h' |
! G' l# O6 W' cHRESULT hRes = pSvc->utInstance(pclsObj,WBEM_FLAG_CREATE_OR_UPDATE,0,0);; ~3 v8 ?6 e5 E
( D9 j4 F. Q5 L0 _3 B7 A- Y2 |7 i' E0 z
// Check for specific error and status codes.# B6 @# I% }) N) Y) ?; w! @
if (hRes == WBEM_E_ACCESS_DENIED)
+ m* a# V0 I5 H$ o6 }# p
* k: c: X: p& x3 R{! o3 p1 z6 G* n) ^$ q4 ^5 x
* q& ~8 h: d( p& @6 ^printf("WBEM_E_ACCESS_DENIED\n");. `2 P6 \& m% W ?, }
4 l O+ U. W6 h+ \/ t // Processing to handle specific error code
3 H* g% `5 ?; T0 K/ Z0 k$ Z: g0 t$ N) ?+ r3 d0 I
}
7 I; U6 f1 u6 E. W5 d else if (hRes == WBEM_S_DUPLICATE_OBJECTS)
+ U5 r4 H6 o" S$ {' g; K0 D2 I' e) S
{
* S. l( c% s. e$ D# y6 {3 Z$ ?& H# I. a+ i5 K3 g* H+ L
printf("WBEM_S_DUPLICATE_OBJECTS\n");
, R- `% }! i0 F3 D; q9 k8 f // All other cases, including errors specific to COM
; L S7 b! Z- m! X: L- a3 Z ]' ], I1 K& e- }; s; P( B
}' B: q* J5 j! [6 @
else if (hRes == WBEM_E_INVALID_OBJECT)( z$ G- f! _1 c) ^9 J
' b$ B$ T6 s$ t% D1 P{% F9 ?" v% e( E' @9 A8 r* H
2 s1 T4 R5 }) c2 z$ Z2 `: iprintf("WBEM_E_INVALID_OBJECT\n");, S0 u6 V! r# ?5 |8 v8 A* I
7 e! p9 j4 z0 f9 d# \
}
2 O, ^1 Y" q, F4 Z4 E' ^% c else if(hRes == WBEM_E_INVALID_PARAMETER)
n u. |0 p$ I$ G# w% z( l$ `3 `$ v8 t z1 u; N' h
{: k3 A! N# _" T( ^) ?* v l
" w \/ ^9 q& p3 S$ s* r1 S! iprintf("WBEM_E_INVALID_PARAMETER\n");
: I( U: j+ }4 @* W* M4 c
, ~/ C( h7 R9 I; X6 _* L# e}8 g' ~# H" c9 l+ H: `! H- N5 O
else if(hRes == WBEM_S_NO_ERROR)/ R4 S' T% N9 W) [5 a1 \$ ~
/ N; N% X! Y& d w
{- v# ~5 v# [$ ]8 }3 S
* k/ M+ B; N$ z$ j1 Bprintf("WBEM_S_NO_ERROR\n");
5 }+ U1 ?3 R0 |) I
2 e* ^6 f7 `9 o- w9 D}
* v: y: p; V- J
- j2 P+ v) w+ ^- n& n}
' ^1 W9 v( l) S9 [. T
+ L2 O2 D' z! ? k- e- C8 _$ V
* h7 m2 d# n* X0 e; K) r$ y, y: j" ~% N0 _+ L! b" ^0 h6 v
}
7 J" n9 P8 q* l
7 l! i o- u- i( a) L) u) r
6 J4 T- x0 ~+ o" p1 o6 P- p6 d, y) y& ^) U0 Y* G& @1 G1 ^( e8 `
// Cleanup
; o% Y/ x* n7 ?9 L+ \ Y1 i6 }1 R
: T( I: Q. V) g
$ t- p4 F- E; L% J" s& N5 H6 x// ========
( R, Z* k( X# G
+ K. a( G$ Z# M1 C* n4 ]
' M0 l+ a; j; f i3 {; K3 _( m* ]8 @0 r# @) Q/ q O. W
' x% n" H' g% w+ u
pSvc->Release();
6 A6 ^! P$ X- G7 o2 U7 u
- W; D' \2 H- q
: A- N8 E# C& o7 WpLoc->Release();/ a( ?# q3 P- S1 t
0 p `: b, P' f' G4 |+ J% n2 b
- `3 P b! A: t& F% S# K1 VpEnumerator->Release();* U- F) M k/ h% U
0 i: H: f [2 T8 S& t1 q3 r& @3 ^, V: B
pclsObj->Release();* G& [6 a% `& ?# a. w$ p
1 I" U! e+ }; \3 I
2 z- R! M$ t0 q& l7 UCoUninitialize();
- l! p v, U- m E1 B0 y6 m# z
. U9 q5 Q. Z8 v9 R, g- I' p
5 r7 \6 U/ k+ O( B9 t1 x0 E6 {- J}
9 @" q' x+ Q+ f4 Z3 B以上就是该程序实现的全部过程,完整的source code可以在附件下载。S5 wake up使用了WMI ACPI,
" G( M7 w: g/ N: x K7 a6 _该部分比较复杂,我在后续会发一个WMIACPI的系列,完整的描述WMI ACPI实现过程中. N8 Z9 {5 o; V
6 T8 k; i) ]: J! p) rBIOS,EC,OS,Driver分别扮演的角色。
$ J. f2 b6 m5 M+ q$ d+ s
; ^1 d* l' o L; _) R% t6 N6 Vthat's all!
& W1 I' B9 b4 Y' n6 l8 z
1 U$ U# i7 C# i3 OPeter ( d1 W- S0 X* B, X5 T
( V/ g, v* T3 h% F: L7 [[ 本帖最后由 peterhu 于 2009-6-3 14:25 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有账号?加入计匠网
×
|