#include?
#include?
#include?
#include?
#include?

#define?PORT?2680
#define?BUFFER_SIZE?1024
#define?MAXLINE?512

#pragma?comment（lib?“WS2_32“）

int?main（）
{
????int?recvTimeout?=?1000;
????char?c?=?0;
????int?nNetTimeout?=?1000;
????WSADATA?wsdata;
????WORD?v?=?MAKEWORD（20）;
????char?IP[32];
????SOCKET?ConnectSocket?=?INVALID_SOCKET;
????int?len?=?0;
????char?filename[MAXLINE+1];
????//?Initialize?Winsock
????if（?WSAStartup（v?&wsdata）?!=?0）
????{
????????printf（“WSAStartup?failed?with?error:?%d\n“?WSAStartup（v?&wsdata））;
????????return?1;
????}

????sockaddr_in?server_addr?client_addr;
????int?size??=?sizeof（client_addr）;
????server_addr.sin_family?=?AF_INET;
????printf（“Please?input?the?IP?address:“）;
????scanf（“%s“?&IP）;
????server_addr.sin_addr.S_un.S_addr?=?inet_addr（IP）;
????server_addr.sin_port?=?htons（PORT）;//htons?transfer?to?u_short

????//?Create?a?SOCKET?for?connecting?to?server
????ConnectSocket?=?socket（AF_INET?SOCK_STREAM?0）;
????if?（ConnectSocket?==?INVALID_SOCKET）
????{
????????printf（“socket?failed?with?error:?%ld\n“?WSAGetLastError（））;
????????WSACleanup（）;
????????return?1;
????}
????//connect
????if?（SOCKET_ERROR?==?connect（ConnectSocket?（sockaddr?*）&server_addr?sizeof（server_addr）））
????{
????????printf（“Unable?to?connect?to?server!\n“）;
????????WSACleanup（）;
????????return?1;
????}
????char?str[20]?=?““;
????recv（ConnectSocket?str?sizeof（str）?0）;
????printf（“server:%s“?str）;

????char?buffer[BUFFER_SIZE];
????while（c?!=?27）
????{
????????memset（filename?0?MAXLINE+1）;
????????printf（“\nplease?input?the?file?name?in?the?server:“）;
????????scanf（“%s“&filename）;

????????memset（buffer?0?BUFFER_SIZE）;
????????strncpy（buffer?filenamestrlen（filename）>BUFFER_SIZE???BUFFER_SIZE:strlen（filename））;

????????//?Send?an?initial?buffer
????????if（send（ConnectSocket?buffer?BUFFER_SIZE?0）?==?SOCKET_ERROR）
????????{
????????????printf（“send?failed?with?error:?%d\n“?WSAGetLastError（））;
????????????closesocket（ConnectSocket）;
????????????WSACleanup（）;
????????????return?1;
????????}
????????//open?the?file?to?write
????????FILE?*fp?=?fopen（filename?“wb“）;
????????memset（buffer?0?BUFFER_SIZE）;
????????setsockopt（ConnectSocket?SOL_SOCKET?SO_RCVTIMEO?（char?*）&recvTimeout?sizeof（int））;
????????len?=?recv（ConnectSocket?buffer?BUFFER_SIZE?0）;
??//?????int?length?=?fwrite（buffer?sizeof（char）?len?fp）;
??//????fflush（fp）;
????????if?（len?==?-1）
????????{
????????????printf（“can?not?find?the?file\n“）;
????????}
????????else?if（fp?==?NULL）
????????{
????????????printf（“can?not?open?to?write?the?file?%s\n“filename）;
????????????return?0;
????????}
????????else
????????{
????????????int?length?=?0;
????????????length?=?recv（ConnectSocket?buffer?BUFFER_SIZE?0）;
????????????if?（fwrite（buffer?sizeof（char）?length?fp）?????????????{
????//????????????fflush（fp

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-11-10?16:20??assign4-516111910213\
?????目錄???????????0??2018-11-05?23:28??assign4-516111910213\client2\
?????目錄???????????0??2018-11-01?22:13??assign4-516111910213\client2\bin\
?????目錄???????????0??2018-11-01?22:13??assign4-516111910213\client2\bin\Debug\
?????文件???????35471??2018-11-01?21:51??assign4-516111910213\client2\bin\Debug\client2.exe
?????文件????????1145??2018-11-01?22:13??assign4-516111910213\client2\client2.cbp
?????文件?????????317??2018-11-05?21:13??assign4-516111910213\client2\client2.depend
?????文件?????????241??2018-11-05?23:28??assign4-516111910213\client2\client2.layout
?????文件????????4717??2018-11-01?21:51??assign4-516111910213\client2\main.cpp
?????目錄???????????0??2018-11-01?22:13??assign4-516111910213\client2\obj\
?????目錄???????????0??2018-11-01?22:13??assign4-516111910213\client2\obj\Debug\
?????文件????????7131??2018-11-01?21:51??assign4-516111910213\client2\obj\Debug\main.o
?????文件??????439926??2018-11-10?16:20??assign4-516111910213\report.pdf
?????目錄???????????0??2018-11-01?22:16??assign4-516111910213\server2\
?????文件????????9728??2018-11-01?19:59??assign4-516111910213\server2\123.doc
?????文件???????85072??2016-08-08?14:12??assign4-516111910213\server2\CYVW3880.jpg
?????文件??????126208??2018-10-19?21:14??assign4-516111910213\server2\assign4.pdf
?????目錄???????????0??2018-11-01?22:13??assign4-516111910213\server2\bin\
?????目錄???????????0??2018-11-01?22:13??assign4-516111910213\server2\bin\Debug\
?????文件???????34488??2018-11-01?21:45??assign4-516111910213\server2\bin\Debug\server2.exe
?????文件????????3680??2018-11-01?21:45??assign4-516111910213\server2\main.cpp
?????文件?????1308294??2018-06-24?15:38??assign4-516111910213\server2\nba.gif
?????目錄???????????0??2018-11-01?22:13??assign4-516111910213\server2\obj\
?????目錄???????????0??2018-11-01?22:13??assign4-516111910213\server2\obj\Debug\
?????文件????????6397??2018-11-01?21:45??assign4-516111910213\server2\obj\Debug\main.o
?????文件????????1145??2018-11-01?22:13??assign4-516111910213\server2\server2.cbp
?????文件?????????139??2018-11-01?21:46??assign4-516111910213\server2\server2.depend
?????文件?????????239??2018-11-01?22:16??assign4-516111910213\server2\server2.layout
?????文件??????????28??2018-10-30?16:12??assign4-516111910213\server2\test.txt
?????文件???????????5??2018-10-30?19:10??assign4-516111910213\server2\test2.txt
?????文件???????????5??2018-11-01?13:51??assign4-516111910213\server2\test3.txt
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