僅供參考
// serverTCP.cpp : 定義控制台應用程式的入口點。
//
#include "stdafx.h"
using namespace std;
long long cnt = 0;
void transFile(SOCKET s)
{
printf("新子服務%d......",cnt);
send(s,"welcome to TCP FILE SERVER !",strlen("welcome to TCP FILE SERVER !")+1,0);
char Buf[BUFSIZE];
FILE *fp;
//printf("用戶端已打開\n請輸入存放檔案位址：\n");
char FilePath[128]={"0"};
ltoa(cnt,FilePath,10);
if((fp=fopen(FilePath,"wb"))==NULL)
{
printf("檔案未打開\n");
return;
}
else
{
send(s,"開始傳送",strlen("開始傳送")+1,0);
//得到檔案大小
char Size[20];
long int FileSize=0;
recv(s,Size,21,0);
FileSize=atol(Size);
printf("得到檔案大小： %d\n",FileSize);
//開始傳送
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("檔案接收完畢\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("伺服器啟動......\n");
}
else
{
printf("伺服器啟動失敗！");
exit(0);
}
SOCKET serSocket = socket(AF_INET,SOCK_STREAM,0);//建立了可識别套接字
SOCKADDR_IN addr;
addr.sin_family=AF_INET;
addr.sin_addr.S_un.S_addr=htonl(INADDR_ANY);//ip位址
addr.sin_port=htons(PORTBASE);//綁定端口
bind(serSocket,(SOCKADDR*)&addr,sizeof(SOCKADDR));//綁定完成
listen(serSocket,ACESIZE);//其中第二個參數代表能夠接收的最多的連接配接數
SOCKADDR_IN clientAddr;
int len = sizeof(SOCKADDR);
while(1)
{
cnt++;
SOCKET serConn;
serConn = accept(serSocket,(SOCKADDR*)&clientAddr,&len);//如果這裡不是accept而是conection的話。。就會不斷的監聽
if(_beginthread((void (*)(void *))transFile, ACESIZE,(void *)serConn) < 0)return 0;
}
return 0;
}
// clientTCP.cpp : 定義控制台應用程式的入口點。
//
#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("已打開套接字\n");
}
else
{
//進一步綁定套接字
printf("套接字未打開!");
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));//開始連接配接
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("請輸入檔案位址：\n");
gets(FilePath);
i = 0;
if((fp=fopen(FilePath,"rb"))==NULL)
{
i = 1;
printf("檔案打開失敗\n");
}
}while(i);
fseek(fp,0L,SEEK_END);
FileSize=ftell(fp);
printf("待傳送檔案大小： %d\n",FileSize);
printf("等待伺服器接受......\n");
recv(cliSocket,Block,sizeof(Block),0);
printf("%s\n",Block);
if(strcmp(Block,"開始傳送")==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("檔案發送完畢\n");
fclose(fp);
closesocket(cliSocket);
WSACleanup();
system("pause");
return 0;
}
追問
請問這個是在什麼環境下運作的？為什麼都沒有main函數？
溫馨提示：答案為網友推薦，僅供參考