#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?“Global.h“
using?namespace?std;

string?GetHostIP（）;
int?ConnectServer（）;
void?UploadFile（）;
void?DownloadFile（）;
void?LookoverList（）;
void?RefreshList（）;

int?clientSock;
list?gFileList;
list::iterator?gIter;
char?gMsgBuf[BUFSIZE];

int?main（）
{
????while（1）
????{
????????system（“clear“）;
????????cout<<“\t\t------------------Client------------------\n“<????????cout<<“\n\t\tChoose?the?operation?from?the?menu:“<????????cout<<“\t\t1.Upload?files?to?server“<????????cout<<“\t\t2.Download?files?from?server“<????????cout<<“\t\t3.Lookover?list?of?files“<????????cout<<“\t\t0.Exit“<????????cout<<“\t\tPlease?input?your?option:“;
????????int?opt;
????????cin>>opt;
????????switch（opt）
????????{
????????case?1:
????????????UploadFile（）;
????????????break;
????????case?2:
????????????DownloadFile（）;
????????????break;
????????case?3:
????????????LookoverList（）;
????????????break;
????????case?0:
????????????system（“clear“）;
????????????return?0;
????????default:
????????????cout<<“\n\t\tinput?illegal!“<????????????continue;
????????}
????}
????return?0;
}

int?ConnectServer（）
{
????sockaddr_in?addr;
????if（（clientSock=socket（AF_INETSOCK_STREAM0））<0）
????{
????????perror（“socket“）;
????????exit（1）;
????}
????bzero（&addrsizeof（addr））;
????addr.sin_family=AF_INET;
????addr.sin_port=htons（PORT）;
????addr.sin_addr.s_addr=inet_addr（REMOTE_IP）;
????if（connect（clientSock（sockaddr*）&addrsizeof（addr））<0）
????{
????????perror（“connect“）;
????????exit（1）;
????}
????return?0;
}

void?UploadFile（）
{
????RefreshList（）;
????ConnectServer（）;
????bzero（gMsgBufsizeof（gMsgBuf））;
????FileItem?file;
????cout<<“\t\tPlease?input?the?path?of?file:\n\t\t“;
????string?strPath;
????cin>>strPath;
????int?pos=strPath.find_last_of（‘/‘）;
????strcpy（file.attrib.namestrPath.substr（pos+1）.c_str（））;
????strcpy（file.attrib.ipAddrGetHostIP（）.c_str（））;
????FILE?*fileStream;
????if（（fileStream=fopen（strPath.c_str（）“r“））==NULL）
????{
????????printf（“\n\t\tthe?file?was?not?opened!\n“）;
????????close（clientSock）;
????????return;
????}
????int?len=fread（file.content1900fileStream）;
????file.attrib.size=len;

????Message?msg;
????msg.msgType=UPLOADFILE;
????memcpy（msg.date&filesizeof（FileItem））;
????memcpy（gMsgBuf&msgsizeof（msg））;
????if（send（clientSockgMsgBufBUFSIZE0）<0）
????????perror（“send“）;
????fclose（fileStream）;
????close（clientSock）;
????gFileList.push_back（file.attrib）;
}
void?DownloadFile（）
{
????RefreshList（）;
????ConnectServer（）;
????cout<<“\t\tPlease?input?the?order?of?file?you?want?to?download:“;
????int?fileOrder;
????cin>>fileOrder;
????if（fileOrder>gFileList.size（）||fileOrder<=0）
????{
????????cout<<“\n\t\tInput?illegal!“<