ftp.rar_FTP服务器_Winsock FTP_ftp winsock_ftp客户端 服务_winsock ftp se

#include "WinSock.h" #include "windows.h" #include "stdio.h" #include "stdlib.h" #include "string.h" #pragma comment(lib,"wsock32.lib") #define RECV_PORT 2000 #define SEND_PORT 3000 #define MAX_FILESIZE 32*1024 SOCKET sock; sockaddr_in ServerAddr; struct Filedata { char ffname[30]; char ffdata[MAX_FILESIZE]; int len; }DataPacket; DWORD StartSock() { WSADATA WSAdata; if(WSAStartup(MAKEWORD(2,2),&WSAdata)!=0) { printf("sock init fail\n"); return (-1); } ServerAddr.sin_family = AF_INET; ServerAddr.sin_addr.s_addr = inet_addr("192.168.1.101"); ServerAddr.sin_port = htons(RECV_PORT); return 1; } DWORD CreateSocket() { sock= socket(AF_INET,SOCK_STREAM,0); if(sock==SOCKET_ERROR) { printf("sock creat fail"); WSACleanup(); return -1; } return 1; } void CallServer() { CreateSocket(); while(connect(sock,(struct sockaddr *)&ServerAddr,sizeof(ServerAddr))==SOCKET_ERROR); printf("connct......!\n"); } DWORD GetFile(char* fname) { int i=0; FILE *fp; int Filesize=0; int count,total=0; char buffer[100]; char Senddata[MAX_FILESIZE]; fp = fopen(fname,"r"); if(fp==NULL) { printf("can not open this file!\n"); return 0; } memset(Senddata,0,MAX_FILESIZE); while(!feof(fp)) { count = fread(buffer,sizeof(char),100,fp); if(ferror(fp)) { printf("read file fail");break; } Filesize+=count; if(Filesize>MAX_FILESIZE) { printf("your file is too big!\n"); fclose(fp); return 0; } memcpy(&Senddata[i],buffer,count); i+=count; } fclose(fp); Senddata[i]='\0'; strcpy(DataPacket.ffname,fname); memcpy(DataPacket.ffdata,Senddata,Filesize); DataPacket.len=Filesize; printf("%s %d\n",DataPacket.ffname,DataPacket.len); return 1; } DWORD TCPSendPacket(struct Filedata Packet) { int length = send(sock,(char*)&Packet,sizeof(DataPacket),0); if(length <=0) {printf("send data error!\n"); closesocket(sock); WSACleanup(); return -1; } return 1; } int main() { char sendfilename[30]; StartSock(); CallServer(); printf("connect ok!\n"); while(1) { printf("input your filename to send:\n"); scanf("%s",sendfilename); if(strcmp(sendfilename,"exit")==0)break; if(GetFile(sendfilename)==0)continue; TCPSendPacket(DataPacket); } closesocket(sock); return 0; }