//?Module?Name:?tcpclient.cpp
//
//?Description:
//
//????This?sample?illustrates?how?to?develop?a?simple?TCP?client?application
//????that?can?send?a?simple?“hello“?message?to?a?TCP?server?listening?on?port?5150.
//????This?sample?is?implemented?as?a?console-style?application?and?simply?prints
//????status?messages?a?connection?is?made?and?when?data?is?sent?to?the?server.
//
//?Compile:
//
//????cl?-o?tcpclient?tcpclient.cpp?ws2_32.lib
//
//?Command?Line?Options:
//
//????tcpclient.exe??
//

#include?
#include?

void?main（int?argc?char?**argv）
{
???WSADATA??????????????wsaData;
???SOCKET???????????????s;
???SOCKADDR_IN??????????ServerAddr;
???int??????????????????Port?=?5150;
???int??????????????????Ret;

???if?（argc?<=?1）
???{
??????printf（“USAGE:?tcpclient?.\n“）;
??????return;
???}

???//?Initialize?Winsock?version?2.2

???if?（（Ret?=?WSAStartup（MAKEWORD（22）?&wsaData））?!=?0）
???{
??????//?NOTE:?Since?Winsock?failed?to?load?we?cannot?use?WSAGetLastError?
??????//?to?determine?the?error?code?as?is?normally?done?when?a?Winsock?
??????//?API?fails.?We?have?to?report?the?return?status?of?the?function.

??????printf（“WSAStartup?failed?with?error?%d\n“?Ret）;
??????return;
???}
???
???//?Create?a?new?socket?to?make?a?client?connection.
?
???if?（（s?=?socket（AF_INET?SOCK_STREAM?IPPROTO_TCP））
???????==?INVALID_SOCKET）
???{
??????printf（“socket?failed?with?error?%d\n“?WSAGetLastError（））;
??????WSACleanup（）;
??????return;
???}
?
???//?Setup?a?SOCKADDR_IN?structure?that?will?be?used?to?connect
???//?to?a?listening?server?on?port?5150.?For?demonstration
???//?purposes?we?required?the?user?to?supply?an?IP?address
???//?on?the?command?line?and?we?filled?this?field?in?with?the?
???//?data?from?the?user.

???ServerAddr.sin_family?=?AF_INET;
???ServerAddr.sin_port?=?htons（Port）;????
???ServerAddr.sin_addr.s_addr?=?inet_addr（argv[1]）;

???//?Make?a?connection?to?the?server?with?socket?s.

???printf（“We?are?trying?to?connect?to?%s:%d...\n“
??????????inet_ntoa（ServerAddr.sin_addr）?htons（ServerAddr.sin_port））;

???if?（connect（s?（SOCKADDR?*）?&ServerAddr?sizeof（ServerAddr））?
???????==?SOCKET_ERROR）
???{
??????printf（“connect?failed?with?error?%d\n“?WSAGetLastError（））;
??????closesocket（s）;
??????WSACleanup（）;
??????return;
???}?

???printf（“Our?connection?succeeded.\n“）;
??????
???//?At?this?point?you?can?start?sending?or?receiving?data?on
???//?the?socket?s.?We?will?just?send?a?hello?message?to?the?server.

???printf（“We?will?now?try?to?send?a?hello?message.\n“）;

???if?（（Ret?=?send（s?“Hello“?5?0））?==?SOCKET_ERROR）
???{
??????printf（“send?failed?with?error?%d\n“?WSAGetLastError（））;
??????closesocket（s）;
??????WSACleanup（）;
??????return;
???}

???printf（“We?successfully?sent?%d?byte（s）.\n“?Ret）;

???//?When?you?are?finished?sending?and?receiving?data?on?socket?s
???//?you?should?close?the?socket.

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????????47??2002-01-18?20:00??Windows網絡編程補充材料\AUTORUN.INF

?????文件???????2935??2002-08-29?11:09??Windows網絡編程補充材料\Readme.txt

?????文件?????192512??2002-01-18?20:00??Windows網絡編程補充材料\StartCD.exe

?????文件???????4015??2002-08-30?09:32??Windows網絡編程補充材料\StartCD.ini

?????文件?????167358??2002-10-18?14:41??Windows網絡編程補充材料\補充內容\chapter17.pdf

?????文件?????104818??2002-10-18?16:04??Windows網絡編程補充材料\補充內容\chapter18.pdf

?????文件??????31785??2002-10-18?16:04??Windows網絡編程補充材料\補充內容\chapter19.pdf

?????文件??????82346??2002-10-18?16:04??Windows網絡編程補充材料\補充內容\chapter20.pdf

?????文件??????17563??2002-10-18?16:04??Windows網絡編程補充材料\補充內容\chapter21.pdf

?????文件??????60126??2002-10-18?16:04??Windows網絡編程補充材料\補充內容\chapter22.pdf

?????文件?????148776??2002-01-18?20:00??Windows網絡編程補充材料\StartCD\back3.BMP

?????文件??????93656??2002-01-18?20:00??Windows網絡編程補充材料\StartCD\bann3.bmp

?????文件?????155502??2002-08-29?12:04??Windows網絡編程補充材料\StartCD\cover.BMP

????..A..H.????159744??2002-01-18?20:00??Windows網絡編程補充材料\Setup\MSPUNIN.EXE

?????文件?????262144??2002-01-18?20:00??Windows網絡編程補充材料\Setup\Setup.exe

????..A..H.???????456??2002-01-18?20:00??Windows網絡編程補充材料\Setup\Setup.ini

????..A..H.??????3475??2002-01-18?20:00??Windows網絡編程補充材料\Setup\SETUP.TXT

?????文件????????685??2002-01-18?20:00??Windows網絡編程補充材料\Samples\chapter20\readme.txt

?????文件???????2429??2002-01-18?20:00??Windows網絡編程補充材料\Samples\chapter20\ThreadServer\Threads.cpp

?????文件???????2058??2002-01-18?20:00??Windows網絡編程補充材料\Samples\chapter20\Server\Server.cpp

?????文件????????682??2002-01-18?20:00??Windows網絡編程補充材料\Samples\chapter20\Server\VB\server.vbp

?????文件???????3552??2002-01-18?20:00??Windows網絡編程補充材料\Samples\chapter20\Server\VB\servervb.bas

?????文件????????841??2002-01-18?20:00??Windows網絡編程補充材料\Samples\chapter20\Server\VB\svrfrm.frm

?????文件???????5020??2002-01-18?20:00??Windows網絡編程補充材料\Samples\chapter20\OverlappedServer\Overlap.cpp

?????文件???????1818??2002-01-18?20:00??Windows網絡編程補充材料\Samples\chapter20\Client\Client.cpp

?????文件????????691??2002-01-18?20:00??Windows網絡編程補充材料\Samples\chapter20\Client\VB\client.vbp

?????文件???????1340??2002-01-18?20:00??Windows網絡編程補充材料\Samples\chapter20\Client\VB\clientvb.bas

?????文件???????3532??2002-01-18?20:00??Windows網絡編程補充材料\Samples\chapter20\Client\VB\pipec.frm

?????文件????????515??2002-01-18?20:00??Windows網絡編程補充材料\Samples\chapter19\Server2\Makefile

?????文件???????3360??2002-01-18?20:00??Windows網絡編程補充材料\Samples\chapter19\Server2\server.cpp

............此處省略384個文件信息