Code server
static int num = 0;
FILE *outfile;
void handle_client(int c)
{
//char buf[1048576];
char buf[1048576];
char *lastpos;
int size;
outfile = fopen ("win.iso", "wb");
while (1) {
//printf("waiting data ...");
size = recv(c, buf, 1048576, MSG_WAITALL);//MSG_NOSIGNAL);
if (size == 0) {
break;
}
//printf("%d Recv:%d %c %s\n",++num,size,buf[1048575],buf );
//lastpos = strchr(buf, '\n');
//send(c, buf, lastpos+1-buf, 0);
fwrite(buf, size, 1, outfile);
//break;
}
fclose(outfile);
}
int main()
{
int s, c;
int reuseaddr = 1;
struct sockaddr_in6 addr;
int pid;
s = socket(AF_INET6, SOCK_STREAM, 0);
setsockopt(s, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &reuseaddr, sizeof(reuseaddr));
addr.sin6_family = AF_INET6;
addr.sin6_port = htons(5000);
addr.sin6_addr = in6addr_any;
bind(s, (struct sockaddr *)&addr, sizeof(addr));
listen(s, 5);
while (1) {
printf("listening client ...\n");
c = accept(s, NULL, NULL);
printf("accept a connection\n");
/*
pid = fork();
if (pid == -1) {
exit(1);
} else if (pid == 0) {
close(s);
handle_client(c);
close(c);
return 0;
} else {
close(c);
waitpid(pid, NULL, 0);
}*/
handle_client(c);
//close(c);
}
}
Code client
FILE* file_;
char buffer[1024];
/*
void readfile()
{
file_ = fopen("client.c", "rb");
while (!feof(file_)) // to read file
{
// fucntion used to read the contents of file
fread(buffer, sizeof(buffer), 1, file_);
printf("%s\n",buffer);
}
}
*/
void ping(int s, char *message)
{
char buf[1024];
strncpy(buf, message, sizeof(buf));
send(s, buf, strlen(buf), 0);
//recv(s, buf, 8192, 0);
//strtok(buf, "\n");
//puts(buf);
}
int main()
{
int s,num=0;
struct sockaddr_in6 addr;
s = socket(AF_INET6, SOCK_STREAM, 0);
addr.sin6_family = AF_INET6;
addr.sin6_port = htons(5000);
inet_pton(AF_INET6, "::1", &addr.sin6_addr);
connect(s, (struct sockaddr *)&addr, sizeof(addr));
while(1){
//ping(s, "xinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchaoxinchao");
file_ = fopen("/home/dungnt/Win10_x64.iso", "rb");
//file_ = fopen("client.c", "rb");
while (!feof(file_)) // to read file
{
// fucntion used to read the contents of file
fread(buffer, sizeof(buffer), 1, file_);
//printf("%s\n",buffer);
num++;
ping(s,buffer);
sleep(0.1);
//printf("%d\n",num);
}
fclose(file_);
break;
}
printf("%d\n",num);
close(s);
return 0;
}
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