;win32汇编环境,网络编程入门之十七
;在这一教程里,学习一下,如何多线程大规模搜索可访问的域名,即搜索可用网址
;本示例是,启动3条同步线程循环访问生成的网址,看其结果是否200.搜索的是abc0000.com,abc0001.com,abc0002.com至abc1000.com之内的1000个域名
;同步线程的意思,即调用函数后不是马上返回,需等函数有结果了才返回。
;多条线程进行,则每条线程结束的时间并不相同,有可能先运行的后结束,也可能后运行的先结束。
;所以,假如需要共享全局变量时,谨慎面对全局变量。
;比如A线程改变了全局变量,本来轮到B线程改变全局变量,但它还未结束,A线程第2次结束了,马上又改变了全局变量,这将导致一团糟。
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.386
.model flat,stdcall
option casemap:none
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; Include 文件定义
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include windows.inc
include user32.inc
include kernel32.inc
include wininet.inc ;需要添加的wininet头文件
includelib user32.lib
includelib kernel32.lib
includelib wininet.lib ;需要添加的wininet库文件
; 自定义函数声明
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DlgProc proto :DWORD,:DWORD,:DWORD,:DWORD ;对话框窗口函数
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; Equ 等值定义
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MAINDIALOG equ 1
ICO_MAIN equ 1000 ;图标
ID_BUTTON01 equ 41
ID_EDIT01 equ 11
ID_EDIT02 equ 12
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; 数据段
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.data
szMsg db "提示",0
szErr db "错误",0
szFrm01 db "www.abc000%d.com",0
szFrm02 db "www.abc00%d.com",0
szFrm03 db "www.abc0%d.com",0
szRecCodeFrm db " 网站返回值是 %s",0
szEnter db 13,10,0 ;回车换行符
szAgent db "Microsoft Internet Explorer",0 ;骗网站说自已是IE浏览器
szUrlPath db "/",0 ;要访问的页面是主页
szVerb db "GET",0 ;GET方法访问
szAccept db "Accept: text/html",0 ;只接受text或html文件返回
.data?
hInstance HINSTANCE ?
hEdithwnd01 HWND ?
hEdithwnd02 HWND ?
szNewHostName db 128 dup (?) ;不同域名的字符串变量,须是全局变量
hAdd_1 dd ? ;用来产生1000个网站的数字
hThread01 dd ?
hThread02 dd ?
hThread03 dd ?
hThread04 dd ?
hThread05 dd ?
.const
; 代码段
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.code
start:
invoke GetModuleHandle, NULL
mov hInstance,eax
invoke DialogBoxParam, hInstance, MAINDIALOG,NULL, addr DlgProc, NULL
invoke ExitProcess,eax
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;每调用本函数就生成新的域名,从 abc0001.com abc0002.com abc0003.com abc0004.com 直至 abc1000.com ,当然可以用不同的方式产生不同的域名
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_CreateHostName proc
LOCAL @szBuffer[128]:byte
LOCAL @stCR:CHARRANGE
invoke RtlZeroMemory,addr @szBuffer,sizeof @szBuffer
invoke RtlZeroMemory,addr szNewHostName,sizeof szNewHostName
.if hAdd_1 < 10
invoke wsprintf,addr @szBuffer,addr szFrm01,hAdd_1
.elseif hAdd_1 >= 10 && hAdd_1 < 100
invoke wsprintf,addr @szBuffer,addr szFrm02,hAdd_1
.elseif hAdd_1 >= 100 && hAdd_1 <= 1000
invoke wsprintf,addr @szBuffer,addr szFrm03,hAdd_1
.endif
invoke lstrcpy,addr szNewHostName,addr @szBuffer ;把生成的新网址保存到全局字符串变量 szNewHostName 里面去
inc hAdd_1
ret
_CreateHostName endp
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_WorkThread01 proc _lParam
LOCAL @hInternet,@hHttpSession,@hHttpRequest
LOCAL @szNewHostName[128]:byte
LOCAL @szBuffer[256]:byte
LOCAL @szRecBuffer[1024]:byte
LOCAL @stCR:CHARRANGE
LOCAL @szContentLength[128]:byte
LOCAL @Totallength
mov ebx,0
.while TRUE
.break .if hAdd_1 >= 1000
invoke Sleep,300 ;让其停顿0.3秒,主要是为了让多线程之间产生一点时间间隔
invoke _CreateHostName ;生成新的域名
invoke lstrcpy,addr @szNewHostName,addr szNewHostName ;获得新产生的域名,就是网址,必须马上把新产生的域名复制过来。因为是同步进程,无法保证哪条进程先有结果
invoke InternetOpen,addr szAgent,INTERNET_OPEN_TYPE_DIRECT,NULL,NULL,0 ;初始化应用程序的 WinINet 函数的使用
mov @hInternet,eax
invoke InternetConnect,@hInternet,addr szNewHostName,80,NULL,NULL,INTERNET_SERVICE_HTTP,0,0 ;为给定站点打开文件传输协议(FTP)或 HTTP 会话,80是http的端口
mov @hHttpSession,eax
.if eax == NULL
invoke MessageBox,NULL,addr szErr,addr szMsg,MB_OK
.endif
invoke HttpOpenRequest,@hHttpSession,addr szVerb,addr szUrlPath,NULL,addr szAccept,0,0,0 ;创建 HTTP 请求句柄
mov @hHttpRequest,eax
invoke HttpSendRequest,@hHttpRequest,NULL,0,NULL,0 ;将指定的请求发送到 HTTP 服务器
mov @Totallength,128 ;注意这里要先赋值为缓冲区的字节大小,不能使用sizeof前面缓冲区的大小,因为它还要保存其它的值
invoke HttpQueryInfo,@hHttpRequest,HTTP_QUERY_STATUS_CODE,addr @szContentLength,addr @Totallength,NULL
invoke RtlZeroMemory,addr @szBuffer,sizeof @szBuffer
invoke wsprintf,addr @szRecBuffer,addr szRecCodeFrm,addr @szContentLength
invoke lstrcat,addr @szBuffer,addr @szNewHostName
invoke lstrcat,addr @szBuffer,addr @szRecBuffer
invoke GetWindowTextLength,hEdithwnd01
mov @stCR.cpMin,eax
mov @stCR.cpMax,eax
invoke SendMessage,hEdithwnd01,EM_EXSETSEL,0,addr @stCR
invoke SendMessage,hEdithwnd01,EM_REPLACESEL,FALSE,addr @szBuffer
invoke SendMessage,hEdithwnd01,EM_REPLACESEL,FALSE,addr szEnter ;加上回车换行符
invoke InternetCloseHandle,@hHttpRequest ;反向清除各类HINTERNET 句柄,即先生成的后清除,后生成的先清除
invoke InternetCloseHandle,@hHttpSession
invoke InternetCloseHandle,@hInternet
inc ebx
.endw
ret
_WorkThread01 endp
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_WorkThread02 proc _lParam
LOCAL @hInternet,@hHttpSession,@hHttpRequest
LOCAL @szNewHostName[128]:byte
LOCAL @szBuffer[256]:byte
LOCAL @szRecBuffer[1024]:byte
LOCAL @stCR:CHARRANGE
LOCAL @szContentLength[128]:byte
LOCAL @Totallength
mov ebx,0
.while TRUE
.break .if hAdd_1 > 1000
invoke Sleep,400
invoke _CreateHostName
invoke lstrcpy,addr @szNewHostName,addr szNewHostName
invoke InternetOpen,addr szAgent,INTERNET_OPEN_TYPE_DIRECT,NULL,NULL,0
mov @hInternet,eax
invoke InternetConnect,@hInternet,addr szNewHostName,80,NULL,NULL,INTERNET_SERVICE_HTTP,0,0
mov @hHttpSession,eax
.if eax == NULL
invoke MessageBox,NULL,addr szErr,addr szMsg,MB_OK
.endif
invoke HttpOpenRequest,@hHttpSession,addr szVerb,addr szUrlPath,NULL,addr szAccept,0,0,0
mov @hHttpRequest,eax
invoke HttpSendRequest,@hHttpRequest,NULL,0,NULL,0
mov @Totallength,128
invoke HttpQueryInfo,@hHttpRequest,HTTP_QUERY_STATUS_CODE,addr @szContentLength,addr @Totallength,NULL
invoke RtlZeroMemory,addr @szBuffer,sizeof @szBuffer
invoke wsprintf,addr @szRecBuffer,addr szRecCodeFrm,addr @szContentLength
invoke lstrcat,addr @szBuffer,addr @szNewHostName
invoke lstrcat,addr @szBuffer,addr @szRecBuffer
invoke GetWindowTextLength,hEdithwnd01
mov @stCR.cpMin,eax
mov @stCR.cpMax,eax
invoke SendMessage,hEdithwnd01,EM_EXSETSEL,0,addr @stCR
invoke SendMessage,hEdithwnd01,EM_REPLACESEL,FALSE,addr @szBuffer
invoke SendMessage,hEdithwnd01,EM_REPLACESEL,FALSE,addr szEnter
invoke InternetCloseHandle,@hHttpRequest
invoke InternetCloseHandle,@hHttpSession
invoke InternetCloseHandle,@hInternet
inc ebx
.endw
ret
_WorkThread02 endp
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_WorkThread03 proc _lParam
LOCAL @hInternet,@hHttpSession,@hHttpRequest
LOCAL @szNewHostName[128]:byte
LOCAL @szBuffer[256]:byte
LOCAL @szRecBuffer[1024]:byte
LOCAL @stCR:CHARRANGE
LOCAL @szContentLength[128]:byte
LOCAL @Totallength
mov ebx,0
.while TRUE
.break .if hAdd_1 > 1000
invoke Sleep,500
invoke _CreateHostName
invoke lstrcpy,addr @szNewHostName,addr szNewHostName
invoke InternetOpen,addr szAgent,INTERNET_OPEN_TYPE_DIRECT,NULL,NULL,0
mov @hInternet,eax
invoke InternetConnect,@hInternet,addr szNewHostName,80,NULL,NULL,INTERNET_SERVICE_HTTP,0,0
mov @hHttpSession,eax
.if eax == NULL
invoke MessageBox,NULL,addr szErr,addr szMsg,MB_OK
.endif
invoke HttpOpenRequest,@hHttpSession,addr szVerb,addr szUrlPath,NULL,addr szAccept,0,0,0
mov @hHttpRequest,eax
invoke HttpSendRequest,@hHttpRequest,NULL,0,NULL,0
mov @Totallength,128
invoke HttpQueryInfo,@hHttpRequest,HTTP_QUERY_STATUS_CODE,addr @szContentLength,addr @Totallength,NULL
invoke RtlZeroMemory,addr @szBuffer,sizeof @szBuffer
invoke wsprintf,addr @szRecBuffer,addr szRecCodeFrm,addr @szContentLength
invoke lstrcat,addr @szBuffer,addr @szNewHostName
invoke lstrcat,addr @szBuffer,addr @szRecBuffer
invoke GetWindowTextLength,hEdithwnd01
mov @stCR.cpMin,eax
mov @stCR.cpMax,eax
invoke SendMessage,hEdithwnd01,EM_EXSETSEL,0,addr @stCR
invoke SendMessage,hEdithwnd01,EM_REPLACESEL,FALSE,addr @szBuffer
invoke SendMessage,hEdithwnd01,EM_REPLACESEL,FALSE,addr szEnter
invoke InternetCloseHandle,@hHttpRequest
invoke InternetCloseHandle,@hHttpSession
invoke InternetCloseHandle,@hInternet
inc ebx
.endw
ret
_WorkThread03 endp
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DlgProc proc hWnd:HWND, uMsg:UINT, wParam:WPARAM, lParam:LPARAM
LOCAL @stWsa:WSADATA
.if uMsg == WM_INITDIALOG
invoke LoadIcon,hInstance,ICO_MAIN
invoke SendMessage,hWnd,WM_SETICON,ICON_BIG,eax
invoke GetDlgItem,hWnd,ID_EDIT01
mov hEdithwnd01,eax
invoke GetDlgItem,hWnd,ID_EDIT02
mov hEdithwnd02,eax
mov hAdd_1,0 ;初始化为1,这个用于每次产生新域名时,用来给域名加1用
.elseif uMsg == WM_COMMAND
mov ebx,wParam
.if bx == ID_BUTTON01
invoke SendMessage,hEdithwnd01,WM_SETTEXT,0,0 ;清空编辑框
invoke CreateThread,NULL,0,offset _WorkThread01,0,NULL,0 ;启动连接线程,用线程的原因是不让网络等待卡住主进程
invoke CreateThread,NULL,0,offset _WorkThread02,0,NULL,0
invoke CreateThread,NULL,0,offset _WorkThread03,0,NULL,0
.endif
.elseif uMsg == WM_CLOSE
invoke EndDialog,hWnd,NULL
.else
mov eax,FALSE
ret
.endif
mov eax,TRUE
ret
DlgProc endp
end start
;下面为rc文件内容
#include "resource.h" //提示缺少该文件,可以在资源里下载
//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
#define MAINDIALOG 1
#define ICO_MAIN 1000 //图标
#define ID_BUTTON01 41
#define ID_EDIT01 11 //编辑框标识符
#define ID_EDIT02 12
//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
ICO_MAIN ICON "Main.ico"
//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
//定义对话框
MAINDIALOG DIALOG 10, 10, 180, 250
STYLE DS_CENTER | WS_CAPTION | WS_MINIMIZEBOX |
WS_SYSMENU | WS_VISIBLE | WS_OVERLAPPED | DS_MODALFRAME | DS_3DLOOK
CAPTION "对话框程序模版"
FONT 11, "方正姚体"
BEGIN
PUSHBUTTON "检测域名", ID_BUTTON01, 120,20,50,12
CONTROL "显示域名列表",ID_EDIT01,"Edit",WS_CHILDWINDOW|WS_VISIBLE|WS_TABSTOP|ES_MULTILINE|ES_WANTRETURN|ES_AUTOVSCROLL|WS_VSCROLL,10, 50, 160, 190,WS_EX_CLIENTEDGE //设置成多行编辑框,按回车时加回车符
CONTROL "多线程并行检测",ID_EDIT02,"Edit",WS_CHILDWINDOW|WS_VISIBLE|WS_TABSTOP|ES_MULTILINE|ES_WANTRETURN|ES_AUTOVSCROLL|WS_VSCROLL,10, 10, 100, 30,WS_EX_CLIENTEDGE
END