int main(int argc, char *argv[])
{
CHECK_INIT_RETURN(itti_init(TASK_MAX, THREAD_MAX, MESSAGES_ID_MAX,
tasks_info, messages_info, messages_definition_xml,
mme_config.itti_config.log_file));
/* Parse the command line for options and set the mme_config accordingly. */
CHECK_INIT_RETURN(config_parse_opt_line(argc, argv, &mme_config) < 0);
MSC_INIT(MSC_MME_GW, THREAD_MAX+TASK_MAX);
/* Calling each layer init function */
CHECK_INIT_RETURN(log_init(&mme_config, oai_epc_log_specific));
CHECK_INIT_RETURN(nas_init(&mme_config));
CHECK_INIT_RETURN(sctp_init(&mme_config));
CHECK_INIT_RETURN(udp_init(&mme_config));
CHECK_INIT_RETURN(gtpv1u_init(&mme_config));
CHECK_INIT_RETURN(s1ap_mme_init(&mme_config));
CHECK_INIT_RETURN(mme_app_init(&mme_config));
CHECK_INIT_RETURN(s6a_init(&mme_config));
CHECK_INIT_RETURN(sgw_lite_init(mme_config.config_file));
/* Handle signals here */
itti_wait_tasks_end();
return 0;
}
/*
* =========================================================================
*
* Kernel Module Initialization
*
* =========================================================================
*/
int
init_module(void)
{
cmn_err(CE_NOTE, SCTP_BANNER); /* console splash */
sctp_init();
sctp_n_init();
sctp_t_init();
return (0);
}
int main(int argc, char *argv[])
{
pthread_t tid;
struct socket *sock;
unsigned int i;
struct sockaddr_in addr;
char buffer[BUFFER_SIZE];
sctp_init();
pthread_create(&tid, NULL, &discard_server, (void *)NULL);
sleep(1);
memset((void *)buffer, 'A', BUFFER_SIZE);
if ((sock = userspace_socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP)) == NULL) {
perror("userspace_socket");
}
memset((void *)&addr, 0, sizeof(struct sockaddr_in));
#ifdef HAVE_SIN_LEN
addr.sin_len = sizeof(struct sockaddr_in);
#endif
addr.sin_family = AF_INET;
addr.sin_port = htons(0);
addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
if (userspace_bind(sock, (struct sockaddr *)&addr, sizeof(struct sockaddr_in)) < 0) {
perror("userspace_bind");
}
memset((void *)&addr, 0, sizeof(struct sockaddr_in));
#ifdef HAVE_SIN_LEN
addr.sin_len = sizeof(struct sockaddr_in);
#endif
addr.sin_family = AF_INET;
addr.sin_port = htons(DISCARD_PORT);
addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
if (userspace_connect(sock, (struct sockaddr *)&addr, sizeof(struct sockaddr_in)) < 0)
perror("userspace_connect");
for (i = 0; i < NUMBER_OF_MESSAGES; i++) {
if (userspace_sctp_sendmsg(sock, (const void *)buffer, BUFFER_SIZE, (struct sockaddr *)&addr, sizeof(struct sockaddr_in), htonl(3), 0, 2, 0, 0) < 0) {
perror("userspace_sctp_sendmsg");
}
}
userspace_close(sock);
sleep(1);
return(0);
}
extern void #MARK_init(void);
void init_extensions(void) {
ah_init();
addrtype_init();
comment_init();
2connmark_init();
conntrack_init();
2dscp_init();
2ecn_init();
esp_init();
hashlimit_init();
helper_init();
icmp_init();
iprange_init();
length_init();
limit_init();
mac_init();
multiport_init();
#2mark_init();
owner_init();
physdev_init();
pkttype_init();
policy_init();
realm_init();
sctp_init();
standard_init();
state_init();
tcp_init();
2tcpmss_init();
2tos_init();
2ttl_init();
udp_init();
unclean_init();
CLASSIFY_init();
CONNMARK_init();
DNAT_init();
LOG_init();
#DSCP_init();
ECN_init();
MASQUERADE_init();
MIRROR_init();
NETMAP_init();
NFQUEUE_init();
NOTRACK_init();
REDIRECT_init();
REJECT_init();
#MARK_init();
}
void net_loop(void)
{
int tipc_fd = -1;
int tcp_fd = -1;
int udp_fd = -1;
int sctp_fd = -1;
struct event tipc_evt, tcp_evt, udp_evt, sctp_evt,
sigterm_evt, sigint_evt,
sighup_evt, sigusr1_evt, sigusr2_evt;
event_init();
/* ENABLE_* are preprocessor constants defined on the command line by
* make. */
if (ENABLE_TIPC) {
tipc_fd = tipc_init();
if (tipc_fd < 0) {
errlog("Error initializing TIPC");
exit(1);
}
event_set(&tipc_evt, tipc_fd, EV_READ | EV_PERSIST, tipc_recv,
&tipc_evt);
event_add(&tipc_evt, NULL);
}
if (ENABLE_TCP) {
tcp_fd = tcp_init();
if (tcp_fd < 0) {
errlog("Error initializing TCP");
exit(1);
}
event_set(&tcp_evt, tcp_fd, EV_READ | EV_PERSIST,
tcp_newconnection, &tcp_evt);
event_add(&tcp_evt, NULL);
}
if (ENABLE_UDP) {
udp_fd = udp_init();
if (udp_fd < 0) {
errlog("Error initializing UDP");
exit(1);
}
event_set(&udp_evt, udp_fd, EV_READ | EV_PERSIST, udp_recv,
&udp_evt);
event_add(&udp_evt, NULL);
}
if (ENABLE_SCTP) {
sctp_fd = sctp_init();
if (sctp_fd < 0) {
errlog("Error initializing SCTP");
exit(1);
}
event_set(&sctp_evt, sctp_fd, EV_READ | EV_PERSIST, sctp_recv,
&sctp_evt);
event_add(&sctp_evt, NULL);
}
signal_set(&sigterm_evt, SIGTERM, exit_sighandler, &sigterm_evt);
signal_add(&sigterm_evt, NULL);
signal_set(&sigint_evt, SIGINT, exit_sighandler, &sigint_evt);
signal_add(&sigint_evt, NULL);
signal_set(&sighup_evt, SIGHUP, logfd_reopen_sighandler,
&sighup_evt);
signal_add(&sighup_evt, NULL);
signal_set(&sigusr1_evt, SIGUSR1, enable_read_only_sighandler,
&sigusr1_evt);
signal_add(&sigusr1_evt, NULL);
signal_set(&sigusr2_evt, SIGUSR2, passive_to_active_sighandler,
&sigusr2_evt);
signal_add(&sigusr2_evt, NULL);
event_dispatch();
if (ENABLE_TIPC)
event_del(&tipc_evt);
if (ENABLE_TCP)
event_del(&tcp_evt);
if (ENABLE_UDP)
event_del(&udp_evt);
if (ENABLE_SCTP)
event_del(&sctp_evt);
signal_del(&sigterm_evt);
signal_del(&sigint_evt);
signal_del(&sigusr1_evt);
signal_del(&sigusr2_evt);
tipc_close(tipc_fd);
tcp_close(tcp_fd);
udp_close(udp_fd);
sctp_close(sctp_fd);
}
int main(int argc, char **argv) {
int i, j;
int size, align_size;
char *s_buf, *r_buf;
double t_start = 0.0, t_end = 0.0, t = 0.0;
struct sockaddr_in *dest = malloc(sizeof(struct sockaddr_in));
struct sctp_sndrcvinfo sri;
struct sockaddr_in cli;
socklen_t s = sizeof(struct sockaddr_in);
int msg_flags = 0;
int n=-1;
char mode[15];
struct timeval start, end;
struct dp datapoints[DATAPOINTS];
int num_dp = 0;
FILE *file;
char filename[PRINTARRAY];
char ascii_size[PRINTARRAY];
int name[] = {CTL_KERN, KERN_OSTYPE};
int namelen = 2;
char oldval[15];
size_t len = sizeof(oldval);
int error;
if (argc < 3) {
printf("Usage: %s dst-ip dest-port\n", argv[0]);
exit(1);
}
#if defined(SCTP_USERMODE)
uint32_t optval=1;
struct socket *psock = NULL;
strcpy(mode, "Userspace");
#else //kernel mode
int sock_fd;
strcpy(mode, "Kernel");
#endif
align_size = getpagesize();
assert(align_size <= MAX_ALIGNMENT);
s_buf =
(char *) (((unsigned long) s_buf1 + (align_size - 1)) /
align_size * align_size);
r_buf =
(char *) (((unsigned long) r_buf1 + (align_size - 1)) /
align_size * align_size);
error = sysctl (name, namelen,
(void *)oldval, &len, NULL
/* newval */, 0 /* newlen */);
if (error) {
printf("sysctl() error\n");
exit(1);
}
strcpy(filename, "BWbenchmark");
sprintf(ascii_size,"%s%smode",oldval,mode);
strcat(filename, ascii_size);
strcat(filename,".txt");
#if defined(SCTP_USERMODE)
sctp_init();
SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable)=1;
if( !(psock = userspace_socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP)) ){
printf("user_socket() returned NULL\n");
exit(1);
}
#else //Kernel mode
if((sock_fd = socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP)) == -1) {
printf("socket error\n");
exit(1);
}
#endif
/* prepare destination adddress */
bzero(dest, sizeof(struct sockaddr_in));
dest->sin_family = AF_INET;
dest->sin_addr.s_addr = inet_addr(argv[1]);
dest->sin_port = htons((unsigned short) atoi(argv[2]));
#if defined(__Userspace_os_FreeBSD)
dest->sin_len = sizeof(struct sockaddr);
#endif
#if defined(SCTP_USERMODE)
/* call userspace_connect which eventually calls sctp_send_initiate */
if( userspace_connect(psock, (struct sockaddr *) dest, sizeof(struct sockaddr_in)) == -1 ) {
printf("userspace_connect failed. exiting...\n");
exit(1);
}
sctp_setopt(psock, SCTP_NODELAY, &optval, sizeof(uint32_t), NULL);
#else //Kernel mode
if((connect(sock_fd, (struct sockaddr *) dest, sizeof(struct sockaddr_in))) == -1) {
perror("connect error\n");
exit(1);
}
/* Setting the send and receive socket buffer sizes */
const int maxbufsize = 65536 * 3;
int sndrcvbufsize = maxbufsize;
int sndrcvbufsize_len;
int rc;
sndrcvbufsize_len = sizeof(sndrcvbufsize);
rc = setsockopt(sock_fd, SOL_SOCKET, SO_SNDBUF, &sndrcvbufsize, sndrcvbufsize_len);
if (rc == -1) {
perror("can't set the socket send size to requested one");
exit(1);
}
rc = setsockopt(sock_fd, SOL_SOCKET, SO_RCVBUF, &sndrcvbufsize, sndrcvbufsize_len);
if (rc == -1) {
perror("can't set the socket receive size to requested one");
exit(1);
}
/* turning nagle off */
int no_nagle = 1;
if (setsockopt(sock_fd, IPPROTO_SCTP,
SCTP_NODELAY, (char *) &no_nagle, sizeof(no_nagle)) < 0){
perror("can't setsockopt to no_nagle\n");
exit(1);
}
#endif
num_dp = 0;
int retval = 0;
printf("\nRunning in %s mode\nStoring results in file %s\n\n", mode, filename);
fprintf(stdout, "# %s %s\n", mode, "Mode: Bandwidth Benchmark Similar to OSU");
fprintf(stdout, "%-*s%*s\n", 10, "# Size", FIELD_WIDTH,
"Bandwidth (MB/s)");
fflush(stdout);
/* Bandwidth test */
for(size = 1; size <= MAX_MSG_SIZE; size *= 2) {
/* touch the data */
for(i = 0; i < size; i++) {
s_buf[i] = 'a';
r_buf[i] = 'b';
}
if(size > large_message_size) {
loop = loop_large;
skip = skip_large;
window_size = window_size_large;
}
for(i = 0; i < loop + skip; i++) {
if(i == skip) {
gettimeofday(&start, NULL);
t_start = (double) start.tv_sec + .000001 * (double) start.tv_usec;
}
for(j = 0; j < window_size; j++) {
#if defined(SCTP_USERMODE)
if((retval = userspace_sctp_sendmsg(psock /* struct socket *so */,
s_buf /* const void *data */,
size /* size_t len */,
(struct sockaddr *)dest /* const struct sockaddr *to */,
sizeof(struct sockaddr_in) /* socklen_t tolen */,
0 /* u_int32_t ppid */,
0 /* u_int32_t flags */,
3 /* u_int16_t stream_no */,
0 /* u_int32_t timetolive */,
0 /* u_int32_t context */))<=0)
{
printf("userspace_sctp_sendmsg returned retval=%d errno=%d\n", retval, errno);
exit(1);
}
#else //Kernel mode
if ((retval = sctp_sendmsg(sock_fd, (void *)s_buf, (size_t)size, NULL, 0, 0, 0, 3, 0, 0)) <=0 )
{
printf("sctp_sendmsg returned retval=%d errno=%d\n", retval, errno);
exit(1);
}
#endif
}
#if defined(SCTP_USERMODE)
if ((n = userspace_sctp_recvmsg(psock, r_buf, 4, (struct sockaddr *) &cli, &s, &sri, &msg_flags)) <=0 )
{
printf(".....userspace_sctp_recvmsg returned n=%d errno=%d\n", n, errno);
break;
}
#else //Kernel mode
if ((n = sctp_recvmsg(sock_fd, r_buf, 4, (struct sockaddr *) &cli, &s, &sri, &msg_flags)) <=0 )
{
printf("sctp_recvmsg returned n=%d errno=%d\n", n, errno);
break;
}
#endif
}
gettimeofday(&end, NULL);
t_end = (double) end.tv_sec + .000001 * (double) end.tv_usec;
t = t_end - t_start;
double tmp = size / 1e6 * loop * window_size;
fprintf(stdout, "%-*d%*.*f\n", 10, size, FIELD_WIDTH,
FLOAT_PRECISION, tmp / t);
fflush(stdout);
datapoints[num_dp].msg_size = size;
datapoints[num_dp].tottime = t;
datapoints[num_dp].bw = tmp/t;
num_dp++;
}
printf("Client closing socket...errno=%d\n", errno);
free(dest);
#if defined(SCTP_USERMODE)
userspace_close(psock);
#else
close(sock_fd);
#endif
printf("Sleeping for 60 secs\n");
sleep(60);
file = fopen(filename, "w+");
if(file == NULL) {
perror("could not open results file");
} else {
for (j=0; j<num_dp; j++)
{
fprintf(file,"%d , %.2f , %.2f\n",datapoints[j].msg_size, datapoints[j].tottime, datapoints[j].bw); /*write datapoints to file*/
}
fclose(file);
}
#if defined(SCTP_USERMODE)
sctp_finish();
// pthread_exit(NULL);
#endif
return 0;
}