仅供参考
// serverTCP.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
using namespace std;
long long cnt = 0;
void transFile(SOCKET s)
{
printf("新子服务%d......",cnt);
send(s,"welcome to TCP FILE SERVER !",strlen("welcome to TCP FILE SERVER !")+1,0);
char Buf[BUFSIZE];
FILE *fp;
//printf("客户端已打开\n请输入存放文件地址：\n");
char FilePath[128]={"0"};
ltoa(cnt,FilePath,10);
if((fp=fopen(FilePath,"wb"))==NULL)
{
printf("文件未打开\n");
return;
}
else
{
send(s,"开始传送",strlen("开始传送")+1,0);
//得到文件大小
char Size[20];
long int FileSize=0;
recv(s,Size,21,0);
FileSize=atol(Size);
printf("得到文件大小： %d\n",FileSize);
//开始传送
char Block[BUFSIZE];
long int x=0;
while (1)
{
x += BUFSIZE;
if(x < FileSize)
{
recv(s,Block,BUFSIZE+1,0);
fwrite(Block,1,BUFSIZE,fp);
}
else
{
recv(s,Block,FileSize+BUFSIZE-x+1,0);
printf("文件接收完毕\n");
fwrite(Block,1,FileSize+BUFSIZE-x,fp);
fclose(fp);
break;
}
}
}
fclose(fp);
closesocket(s);
}
int _tmain(int argc, _TCHAR* argv[])
{
WORD myVersionRequest;
WSADATA wsaData;
myVersionRequest=MAKEWORD(1,1);
int err;
err = WSAStartup(myVersionRequest,&wsaData);
if (!err)
{
printf("服务器启动......\n");
}
else
{
printf("服务器启动失败！");
exit(0);
}
SOCKET serSocket = socket(AF_INET,SOCK_STREAM,0);//创建了可识别套接字
SOCKADDR_IN addr;
addr.sin_family=AF_INET;
addr.sin_addr.S_un.S_addr=htonl(INADDR_ANY);//ip地址
addr.sin_port=htons(PORTBASE);//绑定端口
bind(serSocket,(SOCKADDR*)&addr,sizeof(SOCKADDR));//绑定完成
listen(serSocket,ACESIZE);//其中第二个参数代表能够接收的最多的连接数
SOCKADDR_IN clientAddr;
int len = sizeof(SOCKADDR);
while(1)
{
cnt++;
SOCKET serConn;
serConn = accept(serSocket,(SOCKADDR*)&clientAddr,&len);//如果这里不是accept而是conection的话。。就会不断的监听
if(_beginthread((void (*)(void *))transFile, ACESIZE,(void *)serConn) < 0)return 0;
}
return 0;
}
// clientTCP.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
using namespace std;
int _tmain(int argc, _TCHAR* argv[])
{
WORD myVersionRequest;
WSADATA wsaData;
myVersionRequest=MAKEWORD(1,1);
int err;
err=WSAStartup(myVersionRequest,&wsaData);
if (!err)
{
printf("已打开套接字\n");
}
else
{
//进一步绑定套接字
printf("套接字未打开!");
return 0;
}
SOCKET cliSocket =socket(AF_INET,SOCK_STREAM,0);
SOCKADDR_IN addr;
char ip_addr[16]={"127.0.0.1"};
addr.sin_addr.S_un.S_addr=inet_addr(ip_addr);
addr.sin_family=AF_INET;
addr.sin_port=htons(PORT);
char ACK[64];
connect(cliSocket,(SOCKADDR*)&addr,sizeof(SOCKADDR));//开始连接
recv(cliSocket,ACK,sizeof(ACK),0);
printf("%s\n",ACK);
FILE *fp;
int FileSize=0;
char Block[BUFSIZE]={"0"};
char FilePath[128]={"0"};
int i=0;
do
{
printf("请输入文件地址：\n");
gets(FilePath);
i = 0;
if((fp=fopen(FilePath,"rb"))==NULL)
{
i = 1;
printf("文件打开失败\n");
}
}while(i);
fseek(fp,0L,SEEK_END);
FileSize=ftell(fp);
printf("待传送文件大小： %d\n",FileSize);
printf("等待服务器接受......\n");
recv(cliSocket,Block,sizeof(Block),0);
printf("%s\n",Block);
if(strcmp(Block,"开始传送")==0)
{
char Size[20];
ltoa(FileSize,Size,10);
send(cliSocket,Size,sizeof(Size),0);
fseek(fp,0L,SEEK_SET);
long int y=0;
char trans[BUFSIZE];
while(!feof(fp))
{
fread(trans,1,BUFSIZE,fp);
y=y+BUFSIZE;
if(y
{
send(cliSocket,trans,BUFSIZE+1,0);
}
else
{
send(cliSocket,trans,FileSize+BUFSIZE-y+1,0);
closesocket(cliSocket);
WSACleanup();
}
}
}
printf("文件发送完毕\n");
fclose(fp);
closesocket(cliSocket);
WSACleanup();
system("pause");
return 0;
}
追问
请问这个是在什么环境下运行的？为什么都没有main函数？
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