h( h( f% z/ H v3 Q. `( D+ w. b6 U$ L
下面是代码: * d5 `, Q' O& p3 m) q4 P7 A
! t2 t( ^) @" c& A1 R ///ping.cs . P/ c( e3 K1 ^$ F% b$ N8 E) t
* [5 N7 s& [ m- V2 c# P! W namespace SaurabhPing . m! h8 g7 g+ u; V
) L2 _7 `) Z! d1 @' R+ y { ! a' ?6 ^6 n+ r
+ I* F f9 @$ I! p( P& V
using System; 5 _6 p' w2 m4 n3 q4 m H- n3 ` 9 Y& n! z5 Z$ a& I; L
using System.Net; " T: z3 B% C2 N# l- c+ g3 J ( F4 K# z# ?- A8 {: Y. [( c& m) u# L
using System.Net.Sockets; - e& x; R% F( J3 V 2 b( o9 E, R. s" |3 L+ X
/// <summary> ; w+ ]4 A& Z% Y7 P! x" b1 f$ u( h) G
, D9 J$ J, h$ X/ n. @. s' y
/// 主要的类:ping 7 k$ A6 M8 z( Z7 L" ^" V$ T 3 b) L. |9 \+ |8 g2 H( v$ L' o# R
/// </summary> 0 }4 q& M* q; O: @ 0 M- {% Y0 k4 F* o' H8 I2 m, U
class Ping 6 h0 l2 J$ j1 \0 O9 O* _ . n" I- |; T3 I0 s+ l { 0 V7 W R# Y: r/ T! D2 K
& R& R: r9 m. y% c //声明几个常量 # U) M. {. ?8 y8 z$ Y' C ( q' C- H# c; }/ a1 ]4 d' j4 L
const int SOCKET_ERROR = -1; / L1 a& m0 W" A9 M5 S O6 {( b- n / z% s* W' I8 Y# L
const int ICMP_ECHO = 8; 8 Q. B0 x# }6 u
) Q# A& s5 L. s! b1 r
/// <summary> & c* w* P' T5 R' w3 D" w& V# L % g, g0 `. I! D; _ @. J2 H /// 这里取得Hostname参数 % x4 w+ V5 @6 X+ T# A
% o* |, i- X) w+ y' E: \- H
/// </summary> # k# n- b7 K; W7 e# m2 i- f% U ) w& ^- T- W# O) C3 ^) o* y public static void Main(string[] argv) 5 _! F2 l$ \! ~+ W; m7 z
" Y) u: V2 d( [. v1 T9 m# |
{ o3 m3 d0 e. {* n+ Q * d2 q1 k; K, F& Q+ L3 O" X if(argv.Length==0) & Q2 Y$ U2 `. M2 U7 h ; U" h: O8 C- G3 n9 C { / k3 C: Q7 H& [, v) m+ M " p* r! \3 J: z5 x$ a: q' m
//If user did not enter any Parameter inform him 0 O1 ] S: y5 {0 [" x
% t! J% ]1 K- S* w7 h: T Console.WriteLine("Usageing <hostname> /r") ; ! F% E) [8 K- w( g
, u" E2 m# h' I4 @5 g, k& g! Y
Console.WriteLine("<hostname> The name of the Host who you want to ping"); ' l& ]" @" G2 D6 {2 Y8 u
! n2 {0 g5 Y8 p4 x% l) Y8 b& g Console.WriteLine("/r Ping the host continuously") ; 4 }3 |! a+ z. r- p" j/ r& b $ \+ M. q& \9 Q+ S! ^1 ]" R2 P) r3 f" w } . v. D5 `+ _" G9 |, E2 q3 i
0 d8 K9 q2 ?. s- F7 d$ ]; S& [ else if(argv.Length==1) ; S3 G( y5 A! ^+ g' V
; k. Y# T( x" m/ j# Z& H
{ $ b+ K; j+ }& J
( g" [% B* v: o4 z
//Just the hostname provided by the user ( z& }/ B) q" [1 o. d, n
5 g! Z/ P7 k& N: B! v7 Y
//call the method "ingHost" and pass the HostName as a parameter ) V% _" S7 W7 |9 }
3 |7 e0 m( x3 Q4 b; J { ; r* y( x7 f" F' S; H( q9 D5 e0 ~ 9 B8 s7 M6 u% ]" g3 @. f4 Z* l, h2 j
//the user provided the hostname and the switch 2 ^+ d) b+ S- z7 E o % r& {% C+ E& m9 K+ a if(argv[1]=="/r") & ^2 H" f! Z3 B4 I 0 \7 s- c6 {: m. W; X3 Z: m, }/ n { 6 j2 |- S" d T
$ l/ {% e! R/ T8 i
//loop the ping program . x( l# A" e+ p/ v 5 v2 I: N) C0 v C0 K
while(true) ; `4 c5 R* r0 @8 K; B/ U% D 1 ]' R* {, h. m
{ $ d- }2 l: A$ a3 j# `7 r, S
% e, o* ?' \ Q# X3 |4 L //call the method "ingHost" and pass the HostName as a parameter : B: |" R3 t0 N6 r, s9 [7 M( p7 E- ? + {9 o, h, d! ^- G1 C, S PingHost(argv[0]) ; 7 `# {9 ], o5 |; ?5 J # a }0 e3 c8 c/ s+ e+ W$ L
} 0 O6 {- [$ V: H% l5 e
& ?6 f6 L6 u6 a7 B3 O6 | } " R: }8 Y. O# X$ N
( _" W% [5 @! A L( _, M
else % f% i+ I: {8 H# F( j/ Z& Y2 u $ o3 j' z/ _7 A- S" n; Y% o
{ 4 g5 ?; Y& Y& ?4 u1 g
% }0 h3 c( O2 G4 \% u# I! ~$ |' X
//if the user provided some other switch + }6 C. Z" K% J, X - Y' ~! @& D3 J ? PingHost(argv[0]) ; 1 H% t' m. P9 y0 G ! i: f- C g* u* t8 b# l
} + V( c7 s' ^; |+ i1 a * l P% ~" L3 N6 n, U
} 6 u- s& D2 @" m, F 0 V. o2 d) Y4 c* A2 x1 e9 l1 f else 2 P' v9 r7 x5 N 2 e# D9 B5 @" ~! ] U { $ ?" v9 D3 t8 ?' A 5 ~- z$ P% X/ o
//Some error occurred % s. L8 Q: V! x, {2 z' m
" h; O* ~$ x* u& ]7 K" z. ~. w Console.WriteLine("Error in Arguments") ; 5 K& X) K0 k% I3 }2 }: b
8 ~6 N" g! C0 _- i$ ]# o$ j
} & i0 D% {0 W# Z; v1 S' O) T4 ^
7 s1 v! ]0 P' q& ?
} : @6 ?8 ^ N9 @( P: U8 c$ Z* M, I
( Q, M; |1 M6 v3 c6 a" N1 z+ C8 T( C
- p$ S: k$ G; s: j. E
/// <summary> G$ L0 I! `% H. d+ o# T) f7 `) {
9 S" b& G7 ?! D7 x /// 主要的方法,用来取得IP, s& r3 o M0 n, K+ \ 1 Y: A5 j: S3 G2 y6 A! ?. Q
/// 并计算响应时间 2 s) u8 q, {' }) l) B 1 \4 t+ R/ X N% b- ]' e7 Q: | /// </summary> ! t9 O: w. ~' L% c l
6 v( i& e4 s- `% `
public static void PingHost(string host) - _5 L! N4 }% f6 H9 W' ?5 S: b
* l) A( Q0 C$ `/ g# V! J$ f { 8 |4 ^" [/ K4 N, o" I
- e! o$ P5 {; a2 @( o* s3 T //Declare the IPHostEntry + n D" ]; n# t. w$ T) W d " l d* V! b. W! Q7 W8 K IPHostEntry serverHE, fromHE; # _; G# Z0 D+ E- u# `# r ) V5 n$ y7 ~4 g+ \5 {7 x8 z3 N int nBytes = 0; - H7 U! M. q+ H7 X5 F + p+ ]3 H/ _8 n* A int dwStart = 0, dwStop = 0; ( f' c; j9 i6 K" }- v z( E1 w7 p; G0 u- ^9 s, d' f //Initilize a Socket of the Type ICMP % U8 ?. ~1 H' h+ t6 J& v , U6 ?6 a2 N8 n! ? Socket socket = , o K* L: ^0 o# i/ H: G2 f * v6 J5 e0 F) T new Socket(AddressFamily.AfINet, SocketType.SockRaw, ProtocolType.ProtICMP); 4 m! H: s0 { U* ` {2 q# _6 Y9 }( u+ ]/ E$ U7 S! F
- W) B7 V$ R$ B& j- P8 [$ ~ // Get the server endpoint 1 O6 M9 u5 B' H- \8 L
! x& `) e2 B7 x7 g
try ' b. a. s3 w2 N( Q' V
& O# W# ]* G" m% M" i
{ " s8 m1 Z7 O! Z, U8 { " C [& T4 E7 a; o% M
serverHE = DNS.GetHostByName(host); 7 L' b$ ~& o# f$ P' f( `8 | ! [) B0 ~8 c; |1 u$ J } 4 I! v9 F; n& s. S2 e5 N
7 l3 y8 ~# g2 H5 K2 N3 x) ~- V
catch(Exception) 8 |/ M9 ]: k; Q( Y
* J/ Y( J/ P0 G, ?* y. H
{ 0 u8 U* @4 ~5 m8 h
7 y/ |' U) B; G/ m2 f( @$ o Console.WriteLine("Host not found"); // fail ' J* \( H5 e# G' j - B/ J8 ^: a" P% |" x, M- D& _1 b/ D- ^ return ; 2 ?' A! n8 T6 F* Z2 J) Q) y " `1 L9 `1 Z9 S- F } 2 P7 q5 U1 T& g. D! h, n$ p" y 0 c; P" R5 J3 {0 J+ C! f6 Z0 O ! S* Q8 j( x/ E* U3 r. b // Convert the server IP_EndPoint to an EndPoint + Y5 @# v* p7 j
2 S5 `' J0 }1 ~1 x: _! M, B7 w2 u
IPEndPoint ipepServer = new IPEndPoint(serverHE.AddressList[0], 0); * U( D4 r& @ w* G* _! Z. }* f. n6 H; k % G( a% e2 ?+ ~4 Z% e! s
EndPoint epServer = (ipepServer); 3 C8 J! q* V6 k2 f: c5 V
) C, Y$ N8 a, L' G 6 t& {; p9 E( W2 K6 E; B // Set the receiving endpoint to the client machine % j+ o- i$ Q4 K' h2 [0 J# z# { % L- }* R3 D6 ?7 o- ?! ]. S5 ? fromHE = DNS.GetHostByName(DNS.GetHostName()); 9 @+ f" C: P/ D 5 [* s* K. L. s9 i4 o IPEndPoint ipEndPointFrom = new IPEndPoint(fromHE.AddressList[0], 0); & ~% B9 S; z& E) ?8 S / E& C! K3 F8 {- e) c0 V0 w& \2 l EndPoint EndPointFrom = (ipEndPointFrom); 7 Y- Y- u F1 b7 |
) ]# `( ?/ n% e/ o 3 z. X% V6 A" |0 }: g7 W int PacketSize = 0; w/ h2 ]1 a2 F+ {, f 0 w- w: `3 z R2 L# l! i# l
IcmpPacket packet = new IcmpPacket(); ) k9 X: {5 t) _) e, X& E9 h 1 o) P$ u2 R4 }# `( _8 r
// Construct the packet to send 1 |3 `' A8 t @ / x/ B, {7 b' Y! @' W packet.Type = ICMP_ECHO; //8 2 Y4 z& }! p" z4 k ( r7 {' K; U( O+ F* `+ H( e6 W' ?5 {5 B packet.SubCode = 0; % ?2 W! g! s R" P* A5 s
) m" x) e) w' D2 r5 U9 N, {% a6 F
packet.CheckSum = UInt16.Parse("0"); # m& D% ^! L5 c
% o% i1 m3 b# K; I packet.Identifier = UInt16.Parse("45"); . h% z& D7 N/ g" U- f
9 e7 G9 |( s/ f8 S* H1 w
packet.SequenceNumber = UInt16.Parse("0"); . c" x0 G: \5 n Z, J: Z
6 s+ i( K7 h9 [7 V) Y* _8 X, D int PingData = 32; // sizeof(IcmpPacket) - 8; , O7 z+ h8 b" d8 \/ I( a0 }5 M - ^) w$ i: R1 N0 b7 D7 e& H
packet.Data = new Byte[PingData]; . O; n6 B# p2 W- N! w, ^
3 h3 \3 q" Z% J% t
//Initilize the Packet.Data 9 x4 [+ c& e0 @2 |9 N$ W$ e; o
, B% S: D/ D: A2 V& `9 ` for (int i = 0; i < PingData; i++) + t# H1 I2 @- z " V4 O; Q: z7 u3 [3 ~$ v
{ + H' y9 s" `9 x$ j+ ? + l/ {/ y( u* n- B: G% _3 I5 x
packet.Data = (byte)'#'; 1 h! d4 ~0 O t0 r4 w9 U
1 H+ y# `3 p( t5 ^2 U } , A1 o8 x, M0 a+ Q, x. w* E
* x( K; e" \' d, U$ t. R + X, P; z; M* a$ B8 p1 m //Variable to hold the total Packet size 7 C7 [, U% F" M m3 b y# U$ U6 E ; [8 m0 m/ [% `9 u! X2 x
PacketSize = PingData + 8; % k9 R' {1 y( Z2 V: t7 B; |
* \* p9 ?+ T B& u+ N1 G; f2 a
Byte [] icmp_pkt_buffer = new Byte[ PacketSize ]; * H5 g6 d8 H/ s* O$ s
1 @ s2 D% Y; D! W% Z: z I
Int32 Index = 0; % o. @7 B! Z9 Y, I ~6 O( m
/ F' Q5 U; `; V% v$ R5 m' @0 x, ^* l
//Call a Method Serialize which counts & u9 c; x' ^/ u * t* G! C" S4 c9 x5 f //The total number of Bytes in the Packet ' r% n9 @" T; z# x! h, k' V
! D5 O8 E/ B. q- V+ _8 j+ p4 d Index = Serialize( 7 a1 }0 ?# x; i4 f2 o* Z% G6 G
/ T$ V4 P) g8 y) x% E packet, # q2 O- Q; S8 r' {- t ( y7 E7 O% z) \. A icmp_pkt_buffer, + S1 ?2 L; S# P5 A: Z
: e) a2 W7 ^+ k; S X7 c: A8 n
PacketSize, # a0 r$ [7 o) \+ }' g% Z* H
9 k5 [! M8 W) r+ S; U PingData ); ( U( o- ?, g% k' r
7 V: {1 E3 S' G/ V5 b //Error in Packet Size . p/ @9 ^- ], e9 P, u1 ]
/ A* v2 l6 h1 ]0 l+ @: D% L if( Index == -1 ) ! x6 T; C5 G/ v) l J+ i
c$ F' e Y, Z$ W6 T
{ # w$ F4 h) z" C( s3 ], Z * f ^- B/ M- z/ R% k, C4 W$ K Console.WriteLine("Error in Making Packet"); * ^! |. D" u/ h$ e $ ^) r* }; H0 h" S6 [. z0 g# |
return ; 6 a9 B) H6 b& ^7 v9 x/ p* u' p ) v# I7 t( Q( x
} ; a8 D6 @5 E) I- g1 r$ } 9 L/ `' c+ s7 v* r, T ' [- b( }2 R3 c) h/ n4 u2 u // now get this critter into a UInt16 array " U0 c- V' O- ?$ } 8 h7 `. a& d" g" a ; F& J, ^% h6 U- a& I
//Get the Half size of the Packet ' s$ [0 C9 l7 W, p- a9 F; K & o6 r( T7 g B V4 h S' s' t7 T' T Double double_length = Convert.ToDouble(Index); 8 y6 r) i j+ J - i+ A9 ]. l2 r4 D8 @+ u" n
Double dtemp = Math.Ceil( double_length / 2); n1 ^2 E9 B; M+ p3 N+ G- n
# x& X* E. a4 p& Z A, W! c
int cksum_buffer_length = Convert.ToInt32(dtemp); t) P2 y" z( }1 T ! j( {3 E9 s3 H1 ?! |& t //Create a Byte Array 9 a4 Z* E5 S E# N4 h2 F6 n5 | ; s! x, i: K1 j# B/ u( N1 ^4 p
UInt16 [] cksum_buffer = new UInt16[cksum_buffer_length]; 0 a. l# \9 G0 @* } - L- G' E$ Y& C //Code to initialize the Uint16 array 9 O2 R& w+ u, E) \ 0 F7 H, o- {: Q+ b, b' o/ [
int icmp_header_buffer_index = 0; , [5 ?' O& s/ k L
7 G I% y6 j5 D5 n, S for( int i = 0; i < cksum_buffer_length; i++ ) { ) c3 C( J' o& p6 ^( u9 M* ?' E/ ?
9 V1 i+ Z- R) ~# Z8 P& g4 b
cksum_buffer = _# z0 l+ R8 \, `! F! E( O) N # g) a. V6 R# I; L BitConverter.ToUInt16(icmp_pkt_buffer,icmp_header_buffer_index); , c( k8 z o- W1 b! C# k/ ? 7 m1 j, H, X- R. g, K icmp_header . Q7 v3 B" \3 S8 W- x
) }7 i& B: ~/ e& n# q
以上代码可以直接在时代互联的ASP+ASP.NET 虚拟主机上直接运行,欢迎试用 !到<a href="http://www.now.net.cn/host" target="_blank" >www.now.net.cn/host</A> 订购后可试用 ! ! E5 G0 e0 u$ b% R. d. N& N) d & `: N; e S' G- K8 `3 z+ j 关于ASP+ASP.NET高速虚拟主机,也有同时支持JSP(JAVA) 和PHP的综合虚拟主机。也可以试用,其他问题可以有免费网络电话咨询, + B! h9 Y9 j. E 欢迎随时联系 <a href="http://www.now.net.cn/customer/moreline.net" target="_blank" >http://www.now.net.cn/customer/moreline.net</A> </P>" y. F* D; k4 R# ]/ D
<>时代互联(<a href="http://www.now.net.cn" target="_blank" >www.now.net.cn</A>) 的虚拟主机,免费配有 CDN 镜象网络加速 ,送域名 邮箱,流量访问系统,留言版,计数器! % h% f& D2 B" V3 I, G0 J
/ F& ?) {7 n! G( t% P4 p m
虚拟主机在线订购试用,请到: <a href="http://www.now.net.cn/host" target="_blank" >http://www.now.net.cn/host</A> * k! {* X% h2 X! p 域名+空间的优惠套餐可见 : <a href="http://www.now.net.cn/special/" target="_blank" >http://www.now.net.cn/special/</A> }* O: ]8 t9 z, p% U . [- B! D$ X' F6 m7 ~
如有问题要咨询,时代互联提供免费咨询电话,点击这里: <a href="http://www.now.net.cn/customer/moreline.net" target="_blank" >http://www.now.net.cn/customer/moreline.net</A> & k$ E6 l! p( j7 K2 d
QQ 联系 :405881840 108786612 </P> 3 n! |5 i1 [' }1 l7 n: H8 F<>----------------------------------------------------------------------------------------------------------------------------</P>! j2 G2 H7 t* p3 }/ n
<>) m$ O4 [9 d e6 s' k8 K) S
主机租用,折上有礼,租用9折优惠加送价值3600的CDN 主机加速器 !详情见: <a href="http://www.todayidc.com" target="_blank" >http://www.todayidc.com</A> % _- m; C9 l s