Linux Linux program Exercise 10 (Network programming large file sending)

//Network Programming Client--Large file transfer#include <stdio.h>#include<stdlib.h>#include<string.h>#include<unistd.h>#include<errno.h>#include<sys/types.h>#include<sys/socket.h>#include<netinet/inch.h>#include<arpa/inet.h>intMainintArgChar*args[]) {    if(arg<4) {printf ("Please print three param!\n"); return-1; }    intPort=atoi (args[2]); //Create socket    intSt=socket (Af_inet,sock_stream,0); if(st==-1) {printf ("Create socket failed! Error message:%s\n", Strerror (errno)); return-1; }    //Defien IP Address    structsockaddr_in addr; //Init addrmemset (&AMP;ADDR,0,sizeof(addr)); Addr.sin_family=af_inet; Addr.sin_port=htons (port); Addr.sin_addr.s_addr=INET_ADDR (args[1]); if(Connect (ST,structSOCKADDR *) &addr,sizeof(addr)) ==-1) {printf ("Connect failed! Error message:%s\n", Strerror (errno)); GotoEND; }    //Send File//define file StreamFILE * pfr=NULL; //Open the file in the Read modePfr=fopen (args[3],"R"); if(pfr==NULL) {printf ("Open the file failed!error message:%s\n", Strerror (errno)); GotoEND; }    Charbuf[1024x768]={0}; size_t Num=0;  while(Num=fread (BUF,sizeof(Char),sizeof(BUF), PFR) >0)    {        //send part of the file        if(Send (St,buf,sizeof(Char) *num,0)==-1) {printf ("Send failed!error message:%s\n", Strerror (errno));  Break; } memset (BUF,0,sizeof(BUF));    } fclose (PFR);    End:close (ST); return 0;}

//Network programming Server--Sending large files#include <stdio.h>#include<stdlib.h>#include<string.h>#include<unistd.h>#include<errno.h>#include<sys/types.h>#include<sys/socket.h>#include<netinet/inch.h>#include<arpa/inet.h>intMainintArgChar*args[]) {    if(Arg <2) {printf ("Please print the Param!\n"); return-1; }    intPort = atoi (args[1]); intST = socket (af_inet, Sock_stream,0); if(St = =-1) {printf ("Create socket failed! Error message:%s\n", Strerror (errno)); return-1; }    //Defien IP Address    structsockaddr_in addr; memset (&AMP;ADDR,0,sizeof(addr)); Addr.sin_family=af_inet; Addr.sin_port=htons (port); Addr.sin_addr.s_addr=htonl (Inaddr_any); //Bind Port    if(Bind (St, (structSOCKADDR *) &addr,sizeof(addr)) == -1) {printf ("bind failed! Error message:%s\n", Strerror (errno)); GotoEND; }    //Listen    if(Listen (St, -) == -1) {printf ("Listen failed! Error message:%s\n", Strerror (errno)); GotoEND; }    //only one user connection is received    intCLIENTST =0; structsockaddr_in client_addr; memset (&AMP;CLIENT_ADDR,0,sizeof(CLIENT_ADDR)); size_t Client_addrlen=sizeof(CLIENT_ADDR); CLIENTST= Accept (St, (structSOCKADDR *) &client_addr, &Client_addrlen); if(CLIENTST = =-1) {printf ("Accept failed! Error message:%s\n", Strerror (errno)); GotoEND; }    //recv Message    Charbuf[1024x768] = {0 }; intMflag =0; //Open the file streamFILE * PFA =NULL; PFA= fopen ("/home/test/2/1.dat","a"); if(PFA = =NULL) {printf ("Open the file failed! Error message:%s\n", Strerror (errno)); GotoEND; }     while(1) {Mflag= Recv (CLIENTST, buf,sizeof(BUF),0); if(Mflag = =0) {printf ("Client is closed!\n");  Break; } Else if(Mflag = =-1) {printf ("recv message is failed! Error message:%s\n", Strerror (errno));  Break; }        //write the file to the current program directoryFwrite (BUF,sizeof(Char), Mflag, PFA); memset (BUF,0,sizeof(BUF));    } fclose (PFA);    End:close (ST); return 0;}

. Suffixes:.c. OCC=gccSRCS1=MCLIENT.CSRCS2=mserver.cobjs1=$ (srcs1:.c=. O) OBJS2=$ (srcs2:.c=. O) EXEC1=mclEXEC2=mserstart:$ (OBJS1) $ (OBJS2) $ (CC)-o $ (EXEC1) $ (OBJS1) $ (CC)-o $ (EXEC2) $ (OBJS2) @echo"-------OK-----------". C.O: $ (CC)-WALL-G-o [email protected]-C $<Clean:rm-F $ (OBJS1) RM-F $ (EXEC1) RM-F $ (OBJS2) RM-F $ (EXEC2)

Linux Linux program Exercise 10 (Network programming large file sending)