/** PASV command */
void ftp_pasv(Command *cmd, State *state)
{
if(state->logged_in){
int ip[4];
int port;
char buff[255];
char *response = "227 Entering Passive Mode (%d,%d,%d,%d,%d,%d)\n";
port = gen_port();
getip(state->connection,ip);
/* Close previous passive socket? */
close(state->sock_pasv);
/* Start listening here, but don't accept the connection */
state->sock_pasv = create_socket(port);
printf("port: %d\n",port);
sprintf(buff,response,ip[0],ip[1],ip[2],ip[3],port>>8,port&0xff);
state->message = buff;
state->mode = SERVER;
puts(state->message);
}else{
int main(int argc, const char *argv[])
{
int sock;
sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_MPTP);
if (sock < 0) {
perror("Failed to create socket");
return -1;
}
int size = sizeof(struct sockaddr_mptp) + sizeof(struct mptp_dest);
struct sockaddr_mptp *saddr = malloc(size);
memset(saddr, 0, size);
saddr->count = 1;
saddr->dests[0].addr = ADDR;
saddr->dests[0].port = gen_port();
if (bind(sock, (struct sockaddr *) saddr, size) < 0) {
perror("Failed to bind socket");
close(sock);
return -1;
}
char buf[4096];
sprintf(buf, "Buffer");
#define N 1
struct iovec iov[N];
struct msghdr msg;
int size2 = sizeof(struct sockaddr_mptp) + N * sizeof(struct mptp_dest);
struct sockaddr_mptp *to = malloc(size2);
memset(&msg, 0, sizeof(msg));
memset(&iov, 0, sizeof(iov));
memset(to, 0, size2);
int i;
for (i = 0; i < N; i++) {
iov[i].iov_base = buf;
iov[i].iov_len = sizeof(buf);
}
to->count = N;
for (i = 0; i < N; i++) {
to->dests[i].addr = DADDR;
to->dests[i].port = 100;
}
msg.msg_iov = iov;
msg.msg_iovlen = N;
msg.msg_name = to;
msg.msg_namelen = size2;
int ret;
struct timeval tv1, tv2;
gettimeofday(&tv1, NULL);
for (i = 0; i < 10000 / N; i++) {
ret = sendmsg(sock, &msg, sizeof(msg));
if (ret < 0) {
perror("Failed to send on socket");
return -1;
}
}
gettimeofday(&tv2, NULL);
printf("diff=%ld\n", (tv2.tv_sec - tv1.tv_sec) * 1000 + (tv2.tv_usec - tv1.tv_usec) / 1000);
if (close(sock) < 0) {
perror("Failed to close socket");
return -1;
}
free(saddr);
free(to);
return 0;
}
