2 ?6 e, S0 I$ m6 G 下面是代码: $ W* q; H8 @! L5 ?& m/ s# x 7 q7 f E+ v* \3 @ ///ping.cs 7 ~& X& |, I6 r3 Y& y: i/ X+ y" r " v9 Q# I7 z$ I+ R1 }
namespace SaurabhPing ) _8 B' h5 F* d& X; e+ r3 K! X . ?; {% g3 z/ K9 X
{ % B8 S+ w; p5 o6 Z& w9 ~" T $ g7 H$ \( o) O& i. j& n4 |3 i" @ r using System; . \: R. a2 W- R4 a4 l
. P% j0 B D6 Q( }9 n+ k9 I' i
using System.Net; w* B+ `1 `% l! S 2 y+ X& i/ i' B8 g7 y1 E7 @( M
using System.Net.Sockets; . Q" g) L! `; a5 q4 Y2 Q9 T8 g& C % y5 c' t+ ]: b /// <summary> 4 G/ M+ s4 s4 |3 ] y 0 Y$ E1 u& q y /// 主要的类:ping 0 q' U4 L" B1 O5 J
+ K' {' H( w0 }* w& t; O
/// </summary> 1 J b: ]( [6 o, r: W& \- a 3 ]( J- g+ {5 l! m class Ping * q0 A8 X* J2 G$ ~* a' m, O * c( e9 D; F+ S$ [, s { 9 F. U1 `2 ]3 f: E
7 D9 L6 y0 C4 R b- K ~
//声明几个常量 0 k, W5 ^( @6 S0 \4 g" U6 u8 V
$ a, k ~4 M( y* I- M* \ const int SOCKET_ERROR = -1; $ P" @1 d( {9 W9 ]9 S
( C) h- a5 I* D$ e1 Q% D
const int ICMP_ECHO = 8; 9 v9 C F6 c# O! h0 O4 J/ e
0 `, ^! v- Q( D. q1 v /// <summary> 1 N5 c' ~4 ?; h6 N! [6 q6 P6 P& U; y
+ R) U e$ R! H" F U! u /// 这里取得Hostname参数 7 v( W1 @; z; b! g- C2 t, H- Z5 \ 5 @& I5 B- |; o) q% G
/// </summary> / [6 g# x# P% y+ Z
" A* ~: p+ [/ T0 {2 R) u
public static void Main(string[] argv) 8 b* q* g1 K' F2 g `' ^( \
3 B& z2 M3 u. o% c2 l# [* g& [
{ $ g" ~: v7 Q+ @' F, E6 Q. Q0 K; v
% I" ]' H6 a% M! u6 P0 C if(argv.Length==0) " E: [& l) W; }9 ^" i
7 V1 J1 T0 c( L) V { $ x. I0 _1 r: P# e 1 A) t& Y( B l" I C6 Q
//If user did not enter any Parameter inform him & y1 w$ {- H8 { ?2 k O
0 m( U& ?: }. J0 V
Console.WriteLine("Usageing <hostname> /r") ; ) f! M" N6 [$ |: \; O- |4 ^; u
. { c! K- l+ y
Console.WriteLine("<hostname> The name of the Host who you want to ping"); + s8 F& D; p a( Y! H: s& A 6 G* L4 a0 ~$ p) Z S
Console.WriteLine("/r Ping the host continuously") ; ' Z/ ]6 p# z2 ?4 t _4 m v! g5 O3 u, F ) u! ?+ R% p; m6 G4 d } 8 V! [; x/ Y& d B. w7 H* M# _8 b else if(argv.Length==1) % }2 s/ s7 R, u2 A$ O
* j1 t! I# l, _$ \ X { 0 [# ]# F& O! d5 h5 P3 g& j
3 d9 t( C: @7 N# D
//Just the hostname provided by the user ! i, f/ Z' a. g1 G( _6 x
: F, u/ K# {. @2 r. o
//call the method "ingHost" and pass the HostName as a parameter ! j: _! u+ m g$ Y7 U2 ~4 a+ V # E6 e% B, Q; i: c* l4 Z$ Y
PingHost(argv[0]) ; 2 v, Z1 C5 V/ I 4 Z3 o$ x' ~4 b. V% a, F" Q0 @ } ! `- V& g# O$ k* L( c) U
/ a; F- ?9 a% e- s* e4 z/ k else if(argv.Length==2) 0 c) B5 f& j1 G1 |' K, F & ?# n3 B4 B( s' A { ) ^ z) u/ v1 T; W! _ ( e4 Y# _/ Q# X9 G5 y9 Q8 c //the user provided the hostname and the switch ! O- f9 z( r% F) G
! T" }1 l( s4 i/ Y
if(argv[1]=="/r") * O: d! t n. E: I3 t8 F, [2 S / i! L3 I/ T: S j
{ " ?6 h: c7 R7 M1 l
6 O3 ~+ u) l3 m2 C //loop the ping program & D5 c/ c5 j& ?& }9 W f
5 ^/ N. u- A4 @% Z- B, G* e, ^
while(true) & J9 j8 u' X$ f# f% y2 D4 [6 O
; r5 ?& ^. x+ }) T) U$ f/ W& n9 g
{ 1 D2 Z2 } z; F6 s, S" r: C ' r* \7 K" ]. k% D- Y //call the method "ingHost" and pass the HostName as a parameter 5 V9 k7 E. {, u, `$ G 5 A( [! s' q% _, j3 V
PingHost(argv[0]) ; 0 O. ?: Z4 K0 S3 i 5 g1 b) x3 F. S9 X, `) m } + r% [! a& ~8 O2 ~7 ^, G ' s- U( ^- W! q6 @3 s; s
} % t! y: L2 f8 @ 8 p* z* s1 ?0 B8 }
else ) F4 m/ V/ x: B5 C
% f/ [8 S& [8 _; D4 I b7 t
{ $ }. |6 w; O& U# I1 H: ~# Z; n
, Q1 u$ ]# |. L
//if the user provided some other switch + R# W }* R' m9 k! s% F7 {
0 @8 Y& ?; S. }: M6 w
PingHost(argv[0]) ; 0 o/ f5 I5 R) j, X- [: l8 h! z% \2 R+ B
$ C6 c& C( @6 P& U0 A- b2 J- U } % l k" i4 Z3 x J * } W( }9 @6 ?! s
} 1 M# H/ W) {. S9 F/ A6 ?( J
. G* d9 t: k5 d( I. N3 t else D8 ?9 \3 @" N8 |8 N" \$ [" J9 B 9 V, j* Z, |5 t& c6 L0 a! ^6 Y- l { 5 q# S- X, q2 ~9 |6 g & h: _4 c7 h( U# `$ S+ X; z //Some error occurred - {! m% |: {. P& `3 d$ Z + y& B1 K$ w8 m7 U! y% P Console.WriteLine("Error in Arguments") ; - Q8 R: n/ x! S9 J, R4 X 4 m4 x* w) P u3 } y, F$ f
} 6 `0 A! O* Y8 F! T ! c& [4 ?5 {9 H0 f- B } & {/ J# d- P6 t# C 0 D' W! j- a) L6 f, b
1 d/ S" v( o/ X6 w /// <summary> 4 S3 |$ m) a- U
X0 h/ H, X% q. f. K( L9 z8 ?* k9 { /// 并计算响应时间 $ E, d" f* W/ u& a+ Y ; X: b% T. J$ d* T
/// </summary> 3 y# U J0 G1 }9 [" t
p. {) @. f: T) K7 \3 v: | public static void PingHost(string host) # X& [, v1 {0 U' I# U$ V/ R
8 _, T/ [: P9 g) \: t3 i { 4 s# |' d4 G- E $ \0 j7 u% G# Y1 ~3 j \
//Declare the IPHostEntry , N8 J% W- t. Y$ C* T
5 V, i; M# R2 Q( o0 ]
IPHostEntry serverHE, fromHE; ) S6 A( o1 q0 \* A7 w* E( f* }% \ 1 U5 a- U6 `- w' ?- u( u/ I0 U; i int nBytes = 0; 3 m% U n% z1 L3 @, x- s! j
6 r0 A. T0 D& F' ^, w int dwStart = 0, dwStop = 0; . v; D2 ^4 O% \" R
5 J% |! ^( ~( |% C* y: y% H* m3 p //Initilize a Socket of the Type ICMP 0 h/ ~1 n# \$ \( w1 D8 v; p3 F & U _" v! v& w3 _& q; x Socket socket = 5 ?4 z4 K# ~4 Q! ]# U! Y4 v
0 M! R# [1 N! o9 ?0 d: G* M* E
new Socket(AddressFamily.AfINet, SocketType.SockRaw, ProtocolType.ProtICMP); 6 y$ f5 N5 Q1 Q3 l# G6 s n% G
& {8 N6 {* Z* W+ T' ]& R& Y ( ?# |& v8 K' U+ A8 R; P4 B2 Q5 \ // Get the server endpoint + K3 Z1 [- m! [" y/ Q4 X
6 Y) i U# f$ c try - M% F$ I( M, s
4 I# g1 p \5 {9 r { ' p+ t, h! V$ L U' x0 f( F% ]
) ?% d1 Y& b& E8 N serverHE = DNS.GetHostByName(host); 7 V, x4 }+ T' i& T- r: r' A
2 n5 z; ?* N% t" a } / i- p! _. w. D; s* S/ i3 ?( c 5 \3 S1 E8 t/ i4 J/ p
catch(Exception) - ?( L/ ^4 |; R; E( g- M7 j 0 C# B2 J4 C; K3 H P2 B; `# k) {
{ ; x5 K2 u y$ {# l, S $ b4 ]) @; j' Y9 Z, P$ x Console.WriteLine("Host not found"); // fail 0 t6 i3 i9 F, ~" B! A
2 W4 x$ u. w0 j* x& B return ; 0 f5 P4 [+ }. Z; s$ K# t 0 o+ ]+ i! W/ o1 h; f* t } + X: s3 }2 {8 s2 _+ y" B
/ m) a. Q4 @+ i7 j x2 U9 W
, i4 ?0 t3 o y) }0 e$ o/ _ // Convert the server IP_EndPoint to an EndPoint 0 S. A7 S5 v n i9 P$ N
x* L! o/ Z7 [( @0 W
IPEndPoint ipepServer = new IPEndPoint(serverHE.AddressList[0], 0); 1 a% o$ Y( ?$ d: c! l% x
' |) l+ T/ U* z; h+ k* t
EndPoint epServer = (ipepServer); ; ~: A. n) ] S+ b' w
4 j+ W; G, A/ o; N4 v% k3 J ! N9 o1 G6 r/ ?/ }! x3 D, c
// Set the receiving endpoint to the client machine y" O' u9 M5 j * v- V* a1 h$ J* V
fromHE = DNS.GetHostByName(DNS.GetHostName()); , x7 X& b+ ], o, W- d! z; N
# X! {5 F; U: R& A6 q
IPEndPoint ipEndPointFrom = new IPEndPoint(fromHE.AddressList[0], 0); . M" U" ?2 e; h' Z- a + m: l6 A: B7 e0 b" d
EndPoint EndPointFrom = (ipEndPointFrom); ( D3 v! |+ s+ e; {6 p
) v: s, D& s* W6 Q; Z: c 4 A1 ?3 Y7 E- |5 B int PacketSize = 0; & Y% V T9 j8 {4 }9 L0 `& c 9 ]" f- H$ A; [( e+ Z! ^6 T' N
IcmpPacket packet = new IcmpPacket(); " Z! M* _8 g5 F t- i2 O- B, W4 y % C% M) A5 H# S/ |3 ?: H, F9 H) }
// Construct the packet to send & d: E, j: P% b1 I+ n
* I; w8 b6 ]( Q. x packet.Type = ICMP_ECHO; //8 ) p/ t: f1 Z" x " k. L/ L1 L/ Y, w% S% j2 f packet.SubCode = 0; $ j2 k( u- l2 p2 E! l' h2 [
/ O v, d2 I0 }, O
packet.CheckSum = UInt16.Parse("0"); . Q; ?# K8 K: {4 s. o4 a. p4 K. E 4 [; P! V6 K' G) u; }5 O! u4 K( K packet.Identifier = UInt16.Parse("45"); 7 X! F' W2 M* h s6 C. g2 f$ z* F+ ~, d packet.SequenceNumber = UInt16.Parse("0"); 2 y# C2 O4 {, y, }! K: Z
$ u0 t/ z( O; V) _7 c! W( n# l w
int PingData = 32; // sizeof(IcmpPacket) - 8; & s1 C9 [5 |2 X/ h6 [: O 5 ]1 M3 H% R8 S9 t9 ^
packet.Data = new Byte[PingData]; : D" `8 Z) ]. u {. g + R' Y6 u3 E2 Q; A //Initilize the Packet.Data # W; U4 o2 I& T# p( Z O6 h* \, j# e2 R$ D for (int i = 0; i < PingData; i++) 9 r" M' H2 B6 h" J( ?& X & ?& F" f2 s% r
{ . L2 I' r8 W, m6 {8 g# [ 3 s' [* ]% s2 A$ ]9 }0 y+ \4 l packet.Data = (byte)'#'; ; m* Z# E1 i4 t( ^
2 A% E P& Q7 Q
} % X! x7 d& J$ o/ D 9 {. g5 D0 I- i$ ?
& z r6 e8 T4 a# X1 V //Variable to hold the total Packet size ( [) J, H- N1 M5 j) N
% S6 e' O5 n* l+ Q# l3 k! M Byte [] icmp_pkt_buffer = new Byte[ PacketSize ]; 3 H4 ^# C" ]$ \) v/ y d) a& E ! [, m: s3 ~. a Int32 Index = 0; 3 E1 a; h, E6 x8 H : e: o) ^# K& D) O //Call a Method Serialize which counts ( U6 C8 U2 J- ~) w* o# }" ?
9 D% S7 u4 L2 D2 z //The total number of Bytes in the Packet ) m0 u' J1 a& d( {& {
# X" `5 m( {' b/ e$ r Index = Serialize( ; L6 M4 h7 }, _ _) n, m( p: K 7 i& L2 V: p0 o$ z# K1 `5 g packet, b+ j( j8 ~% y; y- c
3 X! n; l: n, D; H% X icmp_pkt_buffer, 9 u# Z* K4 {, }* \* @! A
$ `" Y0 |+ Y7 ~ F+ Z: S" L
PacketSize, 2 J( p* k; |9 n, i
) F f: ?" W( r1 ]! B: H
PingData ); 4 [7 n8 D+ O5 h. [9 y& t . G* [+ S, q$ y' z$ n
//Error in Packet Size 6 @% b& ]# e; g0 X * ?; u$ \2 v9 K+ q if( Index == -1 ) ( x" h7 f0 z3 F: t ; j$ X4 a; R; U+ D
{ ! E! ^9 u$ D& j* h8 p
) s. X* C; g4 K# o+ A
Console.WriteLine("Error in Making Packet"); * I) V6 D% O- Y; k$ E
: l7 R- l. x! R/ Q8 A4 S
return ; * Q. f: I# a* B
& A& v6 Q) d$ N1 k, G! E' E } ' w1 C0 B3 E; d5 c; Y$ l/ v
+ p7 w& |- q3 y5 ~+ { ! p P5 `+ R2 G1 V ]
// now get this critter into a UInt16 array # g. ?) ?7 b6 O8 f - _4 L L1 `8 \7 \9 v) H
/ V s* S2 F& c8 u: t9 C& G
//Get the Half size of the Packet 1 _+ M$ R; t* H! H) F6 `! _# y
( y; J4 |3 w6 f8 [0 R8 }
Double double_length = Convert.ToDouble(Index); 2 O9 O$ D/ l4 O U7 h v! r, Y8 z5 K Double dtemp = Math.Ceil( double_length / 2); . U e( h. J& {2 }2 o 4 `. I, v x+ U- N; C
int cksum_buffer_length = Convert.ToInt32(dtemp); ( r/ @+ ~; I7 u5 V
% ?1 l* f: T; \; a* d; M
//Create a Byte Array : `0 p$ ]1 |% x6 v 8 r) J( P+ ]' c UInt16 [] cksum_buffer = new UInt16[cksum_buffer_length]; 8 ^6 S+ o+ l4 g* z - k5 o, v6 o% W+ n( y
//Code to initialize the Uint16 array ; J2 E6 t. B; Q6 @- k0 v% z' T
* V2 d6 T, E' s) |" j6 J3 _ int icmp_header_buffer_index = 0; 0 V7 L5 ?6 d# p+ O! X& T G $ d0 M3 K8 s5 O: o) i/ u
for( int i = 0; i < cksum_buffer_length; i++ ) { ' Y/ w2 G4 K6 M5 o$ M& G
" @1 Q$ a# l8 m; j/ E cksum_buffer = : X0 N/ a: V Y: L v' u, v8 l4 }
- v! B& C2 `4 E6 L
BitConverter.ToUInt16(icmp_pkt_buffer,icmp_header_buffer_index); % p- C$ m0 W) f r) a ' S/ ~/ F I& B( P0 M$ U
icmp_header 1 D- f6 e/ P0 p7 p ) _# E" a h1 W' |5 {
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 ! u X/ E- ~, R8 T