文件传输C语言实现

int server_socket = socket(AF_INET,SOCK_STREAM,0); if( server_socket < 0) { printf("Create Socket Failed!"); exit(1); }
if( bind(server_socket,(struct sockaddr*)&server_addr,sizeof(server_addr))) { printf("Server Bind Port : %d Failed!", HELLO_WORLD_SERVER_PORT); exit(1); }
//server.c //////////////////////////////////// #include <netinet/in.h> #include <sys/types.h>
// for sockaddr_in // for socket
#include <sys/socket.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h>
if(connect(client_socket,(struct sockaddr*)&server_addr, server_addr_length) < 0) {
printf("Can Not Connect To %s!\n",argv[1]); exit(1); }
char buffer[BUFFER_SIZE]; bzero(buffer,BUFFER_SIZE);
if( bind(client_socket,(struct sockaddr*)&client_addr,sizeof(client_addr))) { printf("Client Bind Port Failed!\n"); exit(1); }
struct sockaddr_in server_addr; bzero(&server_addr,sizeof(server_addr)); server_addr.sin_family = AF_INET; if(inet_aton(argv[1],&server_addr.sin_addr) == 0) { printf("Server IP Address Error!\n"); exit(1); } server_addr.sin_port = htons(HELLO_WORLD_SERVER_PORT); socklen_t server_addr_length = sizeof(server_addr);
bzero(buffer,BUFFER_SIZE); = recv(new_server_socket,buffer,BUFFER_SIZE,0);
if (length < 0) { printf("Server Recieve Data Failed!\n"); exit(1); } printf("\n%s",buffer);
// for socket // for printf // for exit // for bzero
//for time_t and time
#define HELLO_WORLD_SERVER_PORT Leabharlann Baidu754 #define LENGTH_OF_LISTEN_QUEUE 20 #define BUFFER_SIZE 1024
if((stream = fopen("z.mp3","r"))==NULL) { printf("The file 'data1' was not opened! \n"); exit(1); } else
printf("The file 'filename' was opened! \n"); bzero(buffer,BUFFER_SIZE);
// for sockaddr_in // for socket // for socket // for printf
// for exit // for bzero
//for time_t and time
#define HELLO_WORLD_SERVER_PORT #define BUFFER_SIZE 1024
else bzero(buffer,BUFFER_SIZE); length = 0; while( length = recv(client_socket,buffer,BUFFER_SIZE,0)) { if(length < 0) { printf("Recieve Data From Server %s Failed!\n", argv[1]); break; }
int new_server_socket = accept(server_socket,(struct sockaddr*)&client_addr,&length); if ( new_server_socket < 0) { printf("Server Accept Failed!\n"); break; }
bzero(buffer, BUFFER_SIZE);
} if(fclose(stream)) printf("The file 'data' was not closed! \n"); exit(1);
close(new_server_socket); } close(server_socket); return 0; }
int write_length = fwrite(buffer,sizeof(char),length,stream); if (write_length<length) { printf("File is Write Failed\n"); break; } bzero(buffer,BUFFER_SIZE); } printf("Recieve File From Server[%s] Finished\n", argv[1]);
int length = recv(client_socket,buffer,BUFFER_SIZE,0);
if(length < 0) { printf("Recieve Data From Server %s Failed!\n", argv[1]); exit(1); }
printf("\n%s\n",buffer);
//client.c ////////////////////////////////////
#include <netinet/in.h> #include <sys/types.h> #include <sys/socket.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h> #include <arpa/inet.h>
bzero(buffer,BUFFER_SIZE);
bzero(buffer,BUFFER_SIZE); strcpy(buffer,"Hello, World! From Client\n");
send(client_socket,buffer,BUFFER_SIZE,0);
if((stream = fopen("data","w+t"))==NULL) { printf("The file 'data' was not opened! \n"); }
int lengsize = 0;
while((lengsize = fread(buffer,1,1024,stream)) > 0) {
printf("lengsize = %d\n",lengsize);
if(send(new_server_socket,buffer,lengsize,0)<0) { printf("Send File is Failed\n"); break; }
fclose(stream);
close(client_socket); return 0; }
char buffer[BUFFER_SIZE]; bzero(buffer, BUFFER_SIZE);
strcpy(buffer,"Hello,World! "); strcat(buffer,"\n"); // send(new_server_socket,buffer,BUFFER_SIZE,0);
if ( listen(server_socket, LENGTH_OF_LISTEN_QUEUE) ) { printf("Server Listen Failed!");
exit(1); }
while (1) struct sockaddr_in client_addr; socklen_t length = sizeof(client_addr);
int main(int argc, char **argv) { struct sockaddr_in server_addr; bzero(&server_addr,sizeof(server_addr)); server_addr.sin_family = AF_INET; server_addr.sin_addr.s_addr = htons(INADDR_ANY); server_addr.sin_port = htons(HELLO_WORLD_SERVER_PORT); // time_t now; FILE *stream;
7754
int main(int argc, char **argv) { if (argc != 2) { printf("Usage: ./%s ServerIPAddress\n",argv[0]); exit(1); }
//time_t now; FILE *stream;
struct sockaddr_in client_addr; bzero(&client_addr,sizeof(client_addr)); client_addr.sin_family = AF_INET; client_addr.sin_addr.s_addr = htons(INADDR_ANY); client_addr.sin_port = htons(0); int client_socket = socket(AF_INET,SOCK_STREAM,0); if( client_socket < 0) { printf("Create Socket Failed!\n"); exit(1); }