使用的是罗老大的代码改的一段代码，用于在本地bind一个端口，然后接受一个连接，目的在于测试是否能绑定成功并且能响应一个连接，后面的多线程的接受工作先不谈。
其中_ListenThread是导出函数。
用外部程序调用这个函数。但是每次在bind的时候都不成功，错误代码WSAEFAULT。感觉很差异，完整代码如下。
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; Sample code for < Win32ASM Programming 3rd Edition>
; by 罗云彬, http://www.win32asm.com.cn
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; Dll.asm
; 用来被嵌入到其它进程执行的测试 dll
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; 使用 nmake 或下列命令进行编译和链接:
; ml /c /coff DLL.asm
; Link /subsystem:windows /Dll DLL.obj
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
.386
.model flat, stdcall
option casemap :none
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; Include 文件定义
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
include windows.inc
include user32.inc
includelib user32.lib
include kernel32.inc
includelib kernel32.lib
include wsock32.inc
includelib wsock32.lib
include _Message.inc
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
TCP_PORT equ 9999
WM_SOCKET equ WM_USER + 12
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
.data
;hInstance dd ?
;hWinMain dd ?
hSocket dd ?
szServer db '127.0.0.1',0
szUserName db 12 dup (?)
szPassword db 12 dup (?)
szText db 256 dup (?)
;szSendMsg MSG_STRUCT 10 dup (<>)
;szRecvMsg MSG_STRUCT 10 dup (<>)
dwSendBufSize dd ?
dwRecvBufSize dd ?
dbStep db ?
szIP db 20 dup (?)
bindfail db '绑定端口失败',0
socketFail db 'socket建立失败',0
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
.data?
hInstance dd ?
hWinMain dd ?
hListenSocket dd ?
.const
szClassName db 'RemoteClass',0
szCaptionMain db 'RemoteWindow',0
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
.code
;include Connect.asm
_ListenThread proc uses edi esi ebx,_lParam,dwPort
local @stSin:sockaddr_in
local @OtherstSin:sockaddr_in
local @OtherstSinLen
;********************************************************************
; 创建 socket
;********************************************************************
invoke socket,AF_INET,SOCK_STREAM,0
mov hListenSocket,eax
invoke RtlZeroMemory,addr @stSin,sizeof @stSin
invoke RtlZeroMemory,addr @OtherstSin,sizeof @OtherstSin
mov eax,dwPort
invoke htons,ax
mov @stSin.sin_port,ax
mov @stSin.sin_family,AF_INET
mov @stSin.sin_addr,INADDR_ANY
invoke bind,hListenSocket,addr @stSin,sizeof @stSin
.if eax
invoke WSAGetLastError
.if eax == WSAEFAULT
invoke MessageBox,NULL,addr bindfail,addr bindfail,NULL
.endif
ret
.endif
;********************************************************************
; 开始监听，等待连接进入并为每个连接创建一个线程
;********************************************************************
invoke listen,hListenSocket,5
.while TRUE
invoke accept,hListenSocket,addr @OtherstSin,addr @OtherstSinLen
.break .if eax == INVALID_SOCKET
mov eax,@OtherstSin.sin_addr
invoke inet_ntoa,eax
invoke lstrcpy,offset szIP,eax
lea eax ,offset szIP
ret
;invoke CloseHandle,eax
.endw
invoke closesocket,hListenSocket
ret
_ListenThread endp
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;
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;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
DllEntry proc _hInstance,_dwReason,_dwReserved
local @dwThreadID
local @stWsa:WSADATA
.if _dwReason == DLL_PROCESS_ATTACH
push _hInstance
pop hInstance
invoke WSAStartup,101h,addr @stWsa
.endif
mov eax,TRUE
ret
DllEntry Endp
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
End DllEntry
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