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这是一个简单的HTTP 代理VC++源代码你可能参考一下:! N$ [4 d& X& ?0 ]0 v0 W9 J* W
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" @9 a( b3 _/ @% @2 P, x; ^* ^; Y//sock.cpp
- {. g7 X& x x$ L" Z& z, V#include<winsock.h>
: V! x; Q3 O, {#include<windows.h>
) Y) |: M# |# O5 ]2 j) K( V& d# c#include<iostream.h>3 @+ S- A, H0 Z8 ?6 V& X
#include<stdio.h>- W" L' \& O& B( D1 I8 ?
# y) Y7 M+ d! G1 @& r$ s& iWSADATA ss;. y8 P5 j* r1 a* @! r2 H+ X7 a5 ~
SOCKET a,s[100];
3 J3 p* o; L& _3 S& _- x2 _sockaddr_in s1,s2;# ?+ y8 b( G6 C5 m' a
int pos;/ K" D0 ]+ n0 p
unsigned long id;8 n3 `' I7 J7 [2 z
HANDLE han[100];# B2 g5 d. F8 Q8 p
. L8 z6 w1 \+ J3 V: E
DWORD WINAPI thread(
4 B4 h8 i7 ~* Z, g1 c LPVOID lpParameter // thread data
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{
) m7 |- h0 g0 z# G" ?9 b int cur = pos;
4 H7 g G9 A% M/ {; {. J4 q int sub = 0;
, }/ d, q8 c% N+ F1 |$ l3 [# t' F U char rec[20000];! x. B) h- {$ \8 P# _2 e
char host[100];
+ i) B/ F5 ?- |8 E char sen[20000];- o4 j0 w N, z$ g7 \
char sen1[20000];1 `' M: j# h S
for(int z=0;z<20000;z++)2 u; U0 m5 y4 W" @( N) Z) [
{
8 d( l4 a+ m9 R rec[z]=sen[z]=sen1[z]=0;
1 H* e& f0 n6 R/ [, K, l host[z]=0;* S5 [2 Y& t8 i7 I
}) h/ F7 M1 q6 f) M: i8 [- t: F
z = 0;
! z) A L/ ?/ T" c" H% y- G% l int sz;; V4 T) ^# [, I" v8 G+ E( d. s
int pos = 0;: `/ y0 E* p! x. @) i8 W' c! M* L
char d1='A',d2,d3;5 i& P/ W% @% B& E: F
goto mid;( U- J1 @$ F4 v/ T# \' j
mid:* ]& P8 A$ Z5 y9 P/ i' ~5 O
recv(s[cur],&d1,1,0);2 e2 i t# K$ Y& f% h% c5 ]
rec[pos] = d1;
, _$ M$ Y. j: C( b- E6 m1 H) ~+ x pos++;$ H# Q, D) m& F/ b8 a8 {1 a
if(d1=='\n'). w1 `/ t3 c* M" G
{
; M5 k1 d! j4 p! m$ P/ ~ recv(s[cur],&d2,1,0);% R9 g" {: ?1 O+ A: ?1 @* E
recv(s[cur],&d3,1,0);' c& j/ H+ n0 E0 d/ h/ X* @. Q
if(d2=='\r' && d3=='\n') r# h) ^1 K% J, K/ L6 p
{: w9 n1 c8 T& ~0 a7 p: x# C
rec[pos] = d2;: B. c4 O- [9 _/ ~1 ]0 e+ {
pos++;
% G/ C, u8 Z- W& q- e0 I rec[pos] = d3;9 P V' L. M4 Y/ a/ l) _( V
sz = pos;
. c! [0 X9 Y8 r rec[pos+1]=NULL;
3 W8 B8 t5 e v e0 I$ J }( R' N' b/ [$ c! @/ e) Y
else0 U7 L f' ^* j6 {& J7 M
{
+ |' {& b3 k% w" f0 }; N rec[pos] = d2;8 u( V" f; T8 o8 S- H0 y7 I# W
pos++;( r7 s, a8 M' d% g8 l
rec[pos] = d3;7 \5 p, b7 V! B' R, @" L
pos++;5 L- [ n( Z" H- Y4 A, ^
goto mid;9 g2 k6 v7 E/ Z7 ]2 i
}
! D1 o/ n' n$ C* \ }; p. k6 U; b3 f" z9 Y( i' I
else) }: J( A% i ~- I! Z5 _1 j
{
$ n7 z( L# e! g: @' t7 Z4 K goto mid;
) h/ s7 m7 j& r }
& I$ i, N& c6 z/ s* _//sz = recv(s[cur],rec,2000,0);
, S( s9 r0 T! U/ z4 [9 W% ^ printf("%s\n",rec);
7 w" R) k) T& ~( k1 D+ w while(rec[z]!=':')
: ]4 ?6 K( q$ s3 m0 f8 d/ \5 M {; L/ O, T" f8 v7 P2 j
z++;' M J$ D1 c- _: O4 H" q, p" u' k1 E
if(rec[z]==NULL || rec[z]=='\n')
* t1 W6 C9 p, z% z6 q6 H: v {3 N& ~, B6 q0 K* g# y% T
closesocket(s[cur]);" c+ t- n8 j3 O3 y; N
return 0;
! G# f- x) E7 z9 Z7 S }3 r8 z; w& \ B x
}
4 i/ q5 M1 H+ @8 d9 ~6 T z++;
& O- n4 C# R+ w% R7 W' L- C z++;
, t0 W5 L1 N, J8 @6 L5 i* v0 E z++;- |8 D6 A: s+ V( w
int temp = 0;
$ J1 D$ T/ u V, r5 R% H9 k) J% l while(rec[z]!='/')2 }! z1 D o- ^9 k q2 r: R' Q) h
{4 _- \3 {" @$ a$ E. A
host[temp] = rec[z];
, g9 [2 O* T7 a0 g/ W3 R z++;
# H: d/ S! y/ R9 |" t$ _ temp++;
# q1 n( D2 n9 O/ v( v }5 q$ x0 r4 N/ M$ f/ D5 Y
temp = 0;# w8 {( @2 L6 y: |) ]6 |: f
z=0;, {3 N* }( D5 @0 q0 _( F
while(rec[z]!='h'). H. y/ M a# R) {* X
{' J* ?: j2 Y4 W* n* d$ r3 d+ L7 U D
sen1[temp] = rec[z];; I0 ?* Q$ U/ \3 Y2 ]0 [
z++;% G' R- Y+ @9 y% k% j" y U/ T8 W. ~
temp++;4 ?9 e7 s+ J t2 L* v* B6 q
}
6 F) V7 y0 B4 ^/ K" e/ |4 S: m2 e& c z++;
+ S1 |3 e' c' x: x5 J5 b$ c while(rec[z]!='/')
9 B8 j$ M% s, q6 N- Y( }, f+ s {
* w' I I5 R& D6 l5 u6 e% D' @5 f6 ^ z++;
% X$ [! y6 ^! h, Z% i }) o7 K7 a/ X- p/ t& o; [1 C8 D" N
z++;
, F$ R1 ^' S: p* \% M6 z z++;
0 a d- h, L+ c I6 g$ N while(rec[z]!='/')4 r- w/ J1 Y2 i. ]7 k( J" @
{
1 H7 b# }+ k; n$ P0 O+ S z++;: f% W6 ]; t1 Y* _5 b+ H, ]
}
' }4 p4 V& }; x5 x7 c2 V0 Y while(rec[z]!=NULL)
4 J* p/ n5 |5 B3 w4 y0 y {
" V0 l/ q- p7 J3 d" l sen1[temp] = rec[z];
! i+ k' q0 d1 R: f* u4 n z++;# V) U) c n/ Z
temp++;/ p" U8 `' X }6 k
}7 _6 }8 F* A* {. V0 A1 N0 A
PHOSTENT adr = NULL;
& O4 m, [. l' L9 x, ?8 ]2 w adr = gethostbyname(host);
$ {# I0 O) ]& M0 g3 R if(adr==NULL)
6 f) j/ q; d( o3 {0 G. [ {
7 y/ g# t+ b3 G; r6 {7 E send(s[cur],"Could not able to resolve host address",48,0);
3 b6 X0 o$ w! l; d* I% r) u closesocket(s[cur]);: q& d& m4 D9 M8 C) o" D
DWORD ff;% S8 h- L0 t5 i2 P# X0 K
GetExitCodeThread(han[cur],&ff);$ ~0 d/ L' E7 k' U! H w9 X
ExitThread(ff);6 {; e( E6 a& o2 J, @' U. H
}0 e7 r4 F+ P( G: d& Q3 x; E5 X
SOCKET ss;5 p- D5 _" y6 k+ K# a% o7 M! s
sockaddr_in dd;
( @5 \ Y/ d5 ~8 H7 }! Z7 K ss = socket(AF_INET,SOCK_STREAM,0);
8 G& J( M' J/ ?! u* t/ E memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);0 v0 Q2 q! ^ |, j" g, I
dd.sin_family = AF_INET;
1 w( V+ n3 p1 S( G- a dd.sin_port = htons(80);
- i: f4 [4 M. m% G if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)* c6 t+ ]* Y% Y3 q6 Y u9 F' ^
{
. Z1 p% u) p( e E( Q2 B send(s[cur],"Not able to connect to server",29,0);
$ c, ]" u6 [0 T2 W closesocket(s[cur]);6 l* }3 y" p X! L3 ?- H
DWORD ff;
/ @! ^" C; ^7 o GetExitCodeThread(han[cur],&ff);
5 d' K: W* I- W! Q ExitThread(ff);; @5 g+ i# k3 q
}
7 a* U9 A+ |7 V. a send(ss,sen1,sz,0);) ]9 w: i/ C: r
sz = recv(ss,rec,2000,0);
( L. l2 t* L8 Z/ P! p H while(sz!=0)2 f1 s+ `% s9 s4 l2 D
{3 C+ m i4 k/ c' R! d
send(s[cur],rec,sz,0);
0 D- c; a0 B: v" V6 s6 M- T sz = recv(ss,rec,2000,0);
5 N2 u) S- w0 O/ ^8 y4 _ }: W& ~& c0 T) W# @" N4 v
closesocket(ss);: m4 |3 v2 B( C9 R3 a& f
closesocket(s[cur]);
8 y& x8 O$ G5 ~; Q B
6 N' k; z8 e, l2 G, ` DWORD ff;
) u# B& a( n1 K8 s' ?! d GetExitCodeThread(han[cur],&ff);; T$ W# b9 p7 q' ^9 ]
ExitThread(ff);
K: D. E0 `: v return 0;
' d5 E) u$ g7 H' y, F ]; A}
5 [: |/ o8 h0 C! {$ V8 s0 v a0 d5 p1 H2 Z
void main()3 ~- `( K1 X7 a
{# r# R( x9 Y" K' k" o7 y4 g; p
WSAStartup(MAKEWORD(1,1),&ss);
# r% n" h+ z- v' z4 a; a7 r: F" u a = socket(AF_INET,SOCK_STREAM,0);& |5 K& m7 w/ d( N7 W$ ?
s1.sin_addr.s_addr = INADDR_ANY;
+ |/ f/ e5 A- l s1.sin_family = AF_INET; t X! w: k& T) _4 S; P
s1.sin_port = htons(2323);+ Q3 ?3 w: r8 s O; B; k# m
1 U7 _* Q' s( T( | if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)$ D3 b; O0 {* n5 n1 @ E
{
4 v& }$ b4 r" a' F7 F; b+ p7 I+ e1 C cout << WSAGetLastError();
+ ]# }5 j5 Z" j' l8 _9 c( o6 m }
9 ~% O6 J4 D8 I! V$ g1 d( @$ C% D) _ if(listen(a,1)==SOCKET_ERROR)+ s' {& ]* q9 T' o+ }* J
{
5 h+ E: J4 _5 `, h3 ^% v cout << "Error";
. e# i% n$ \4 |9 b, ?7 F$ y% U" U }0 _9 K' ?7 O# C
int sz = sizeof(s2);% c5 X y& o$ B
goto re;' t& Q1 L, f% u& P, }# T/ y
re:
* j& C4 ?9 k$ W; E, G1 E s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);
: O0 N; U$ q7 S, j4 R- F" c ::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);$ X B( m. m) q* }0 C0 y
Sleep(500);( U0 e- \ N0 X+ x! [8 L
if(pos==100)
. I+ l& e' |4 W' a' y {
$ W ~8 |: K5 { pos=0;
, L# {4 ~+ U& v, `. `# F8 d& H# s }8 Q) P% R/ E1 B, h K
else
2 a; o- Q3 X- d0 ^3 W/ \ {' b! {$ M# ]4 p! h
pos++;: c( h5 g2 m0 T
}, y7 k6 A0 Z( E
goto re;% h8 m/ T1 g6 g$ _3 y$ d0 n8 t
}. s# B1 w$ A0 m6 G3 y
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