#include <errno.h>
+#include <error.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <semaphore.h>
#include <sys/ioctl.h>
#include <net/if.h>
+#include <inttypes.h>
#ifdef WITH_FWP
#include <fwp_confdefs.h>
#include <fwp.h>
#include <fwp_vres.h>
+#include <ncurses.h>
#endif
#define MAX_STREAMS 10
unsigned opt_jitter = 0;
char *opt_output = "delay_stats";
unsigned opt_count_sec = 0;
-unsigned opt_def_bandwidth = 200;
+unsigned opt_def_bandwidth = 50;
unsigned opt_def_period_msec = 0;
int opt_granularity_usec = MIN_GRANULARITY;
bool opt_wait_for_queue_is_full; /* Don't gather any statistics until any queue is full */
char *opt_comment = NULL;
bool some_queue_is_full = false;
-struct timespec reset_timestamp;
+uint64_t reset_timestamp; /* [nsec] */
+
+bool some_contract_not_accepted = false;
/* Locked when some queue is full to prevent multiple resets of
statstics. */
int ac_sockfd[AC_NUM];
struct receiver {
+ bool valid;
pthread_t thread;
unsigned received, last_received;
};
#ifndef WITH_FWP
struct sockaddr_in rem_addr;
#else
+ fwp_contract_d_t contract_send;
+ fwp_contract_d_t contract_resp;
fwp_endpoint_d_t endpoint;
fwp_endpoint_d_t resp_endpoint;
fwp_vres_d_t vres;
uint16_t resp_port;
struct receiver receiver;
+ long wc_delay; /* worst-case delay */
#endif
/* Statistics */
/* Interrupt all receivers */
#ifdef WITH_FWP
for (i=0; i < nr_streams; i++) {
- pthread_kill(streams[i].receiver.thread, SIGUSR1);
- }
+ if (streams[i].receiver.valid) pthread_kill(streams[i].receiver.thread, SIGUSR1);
+ if (streams[i].contract_send) fwp_contract_cancel(streams[i].contract_send);
+ if (streams[i].contract_resp)fwp_contract_cancel(streams[i].contract_resp);
+ }
#else
for (i=0; i < AC_NUM; i++) {
pthread_kill(receivers[i].thread, SIGUSR1);
real[0]=0;
}
- snprintf(stream_desc, n, "%d: %s %s (%d bytes per %s +-%s, %d packets/s)%s",
+ snprintf(stream_desc, n, "%"PRIdPTR": %s %s (%d bytes per %s +-%s, %d packets/s)%s",
stream-streams, ac_to_text[stream->ac], bandwidth_to_text(buf[0], stream->bandwidth_bps),
stream->packet_size, usec_to_text(buf[1], stream->period_usec),
usec_to_text(buf[2], stream->jitter*stream->period_usec/100),
exit(0);
}
-int create_ac_socket(unsigned int ac)
+int create_ac_socket(intptr_t ac)
{
int sockfd;
unsigned int yes=1, tos;
if ((sockfd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
{
- perror("Unable to open socket");
+ error(0, errno, "Unable to open socket");
return -1;
}
if (fcntl(sockfd, F_SETFL, O_NONBLOCK) != 0) {
- perror("set non-blocking socket");
+ error(0, errno, "set non-blocking socket");
return -1;
}
if (setsockopt(sockfd,SOL_SOCKET,SO_REUSEADDR,&yes,sizeof(int)) == -1) {
- perror("Unable to set socket");
+ error(0, errno, "Unable to set socket");
return -1;
}
if (opt_send_buf_size >= 0) {
if (setsockopt(sockfd,SOL_SOCKET,SO_SNDBUF,&opt_send_buf_size,sizeof(opt_send_buf_size)) == -1) {
- perror("Unable to set socket buffer size");
+ error(0, errno, "Unable to set socket buffer size");
return -1;
}
}
//tos = ((AC_NUM - ac) *2 - 1)*32;
tos = ac_to_tos[ac];
if (setsockopt(sockfd, SOL_IP, IP_TOS, &tos, sizeof(tos))) {
- perror("Unable to set TOS");
+ error(0, errno, "Unable to set TOS");
close(sockfd);
return -1;
}
void reset_statistics()
{
int i;
+ struct timespec ts;
for (i = 0; i < nr_streams; i++) {
pthread_mutex_lock(&streams[i].mutex);
streams[i].sent = 0;
pthread_mutex_unlock(&streams[i].mutex);
}
pthread_mutex_lock(&delay_stats_mutex);
- clock_gettime(CLOCK_REALTIME, &reset_timestamp);
+ clock_gettime(CLOCK_REALTIME, &ts);
+ reset_timestamp = ts.tv_sec*1000000000LL + ts.tv_nsec;
memset(delay_stats, 0, sizeof(delay_stats));
pthread_mutex_unlock(&delay_stats_mutex);
}
#ifndef WITH_FWP
-int recv_packet_native(unsigned ac, struct msg_t *msg)
+int recv_packet_native(intptr_t ac, struct msg_t *msg)
{
int mlen, ret;
fd_set fdset;
ret = select(ac_sockfd[ac]+1, &fdset, NULL, NULL, NULL);
if (ret < 0) {
if (errno == EINTR) continue;
- perror("receiver select");
+ error(0, errno, "receiver select");
return -1;
}
mlen = recvfrom(ac_sockfd[ac], msg, sizeof(*msg), 0,
struct msg_t msg;
long long int trans_time_usec, client_to_server_usec, server_to_client_usec;
long long int min_trans_time;
- struct timespec send_timestamp, server_timestamp, recv_timestamp;
- int mlen, ret;
- unsigned ac;
+ struct timespec ts;
+ uint64_t send_timestamp, server_timestamp, recv_timestamp;
+ int mlen;
+ intptr_t ac;
min_trans_time = ~0;
ac = stream->ac;
mlen = recv_packet_fwp(stream, &msg);
#else
- ac = (unsigned)arg;
+ ac = (intptr_t)arg;
mlen = recv_packet_native(ac, &msg);
#endif
if (mlen < 0) {
- perror("Chyba pri prijimani pozadavku");
+ if (errno != EINTR)
+ error(0, errno, "receive_packet error");
goto out;
}
- clock_gettime(CLOCK_REALTIME,&recv_timestamp);
+ clock_gettime(CLOCK_REALTIME,&ts);
+ recv_timestamp = ts.tv_sec*1000000000LL + ts.tv_nsec;
send_timestamp = msg.send_timestamp;
server_timestamp = msg.sendback_timestamp;
/* Check whether this message was sent after reset_statistics() */
- if ((ret = timespec_sub_usec(&send_timestamp, &reset_timestamp)) < 0) {
+ if (send_timestamp < reset_timestamp) {
continue; /* If so, don't count it */
}
- trans_time_usec = timespec_sub_usec(&recv_timestamp ,&send_timestamp) / 2;
- client_to_server_usec = timespec_sub_usec(&server_timestamp, &send_timestamp);
- server_to_client_usec = timespec_sub_usec(&recv_timestamp, &server_timestamp);
+ trans_time_usec = (recv_timestamp - send_timestamp) / 2 / 1000;
+ client_to_server_usec = (server_timestamp - send_timestamp) / 1000;
+ server_to_client_usec = (recv_timestamp - server_timestamp) / 1000;
pthread_mutex_lock(&delay_stats_mutex);
if (trans_time_usec < MAX_DELAY_US && trans_time_usec >= 0) {
}
pthread_mutex_unlock(&delay_stats_mutex);
+#ifdef WITH_FWP
+ if (trans_time_usec > stream->wc_delay) {
+ stream->wc_delay = trans_time_usec;
+ }
+#endif
receivers[ac].received++;
pthread_mutex_lock(&streams[msg.stream].mutex);
ret = 0;
break;
} else {
- perror("Error while sending");
+ error(0, errno, "Error while sending");
ret = -1;
break;
}
union msg_buff buff;
unsigned long int seqn;
struct stream* stream = (struct stream*) arg;
- char stream_desc[100];
+ struct timespec ts;
int ret;
+#ifndef WITH_FWP
+ char stream_desc[100];
stream_to_text(stream_desc, sizeof(stream_desc), stream, 0);
printf("%s\n", stream_desc);
-
+#endif
if (stream->bandwidth_bps == 0)
goto out;
/* buff.msg.tos = ac_to_tos[stream->ac]; */
buff.msg.stream = stream-streams;
- clock_gettime(CLOCK_REALTIME,&buff.msg.send_timestamp);
+ clock_gettime(CLOCK_REALTIME,&ts);
+ buff.msg.send_timestamp = ts.tv_sec*1000000000LL + ts.tv_nsec;
ret = send_packet(stream, &buff);
if (ret < 0) {
fflush(stdout);
#endif
- wait_for_next_send(stream, &buff.msg.send_timestamp);
+ wait_for_next_send(stream, &ts);
}
out:
sem_post(&sem_thread_finished);
static int negotiate_contract_for_stream_fwp(struct stream *stream)
{
fwp_contract_t contract;
- fwp_contract_d_t contract_d;
fwp_vres_d_t vres2;
int ret;
/* Contract for client->server stream */
-
+ memset(&contract, 0, sizeof(contract));
contract.budget = stream->packet_size;
contract.period_usec = stream->period_usec;
+ contract.deadline_usec = 3*stream->period_usec;
- contract_d = fwp_contract_create(&contract);
- ret = fwp_contract_negotiate(contract_d, &stream->vres);
+ stream->contract_send = fwp_contract_create(&contract);
+ ret = fwp_contract_negotiate(stream->contract_send, &stream->vres);
if (ret != 0) {
- fprintf(stderr, "Send contract was not accepted\n");
- exit(1);
+ stream->contract_send = NULL;
+/* fprintf(stderr, "Send contract was not accepted\n\n\n"); */
+ return ret;
}
/* Contract for server->client stream */
+ memset(&contract, 0, sizeof(contract));
contract.budget = stream->packet_size;
contract.period_usec = stream->period_usec;
+ contract.deadline_usec = 3*stream->period_usec;
- contract_d = fwp_contract_create(&contract);
- ret = fwp_contract_negotiate(contract_d, &vres2);
+ stream->contract_resp = fwp_contract_create(&contract);
+ ret = fwp_contract_negotiate(stream->contract_resp, &vres2);
if (ret != 0) {
- fprintf(stderr, "Receive contract was not accepted\n");
- exit(1);
+ stream->contract_resp = NULL;
+/* fprintf(stderr, "Receive contract was not accepted\n\n\n"); */
+ return ret;
}
/* We don't use the vres at server, since the server doesn't
ret = fwp_send_endpoint_create(a->s_addr, BASE_PORT + stream->ac,
NULL, &stream->endpoint);
/* stream->rem_addr.sin_port = htons(BASE_PORT + stream->ac); */
- if (ret < 0) {
- perror("fwp_send_endpoint_create");
- exit(1);
- }
+ if (ret < 0) error(1, errno, "fwp_send_endpoint_create");
+
ret = fwp_send_endpoint_bind(stream->endpoint, stream->vres);
- if (ret != 0) {
- perror("fwp_send_endpoint_bind");
- exit(1);
- }
+ if (ret != 0) error(1, errno, "fwp_send_endpoint_bind");
+
ret = fwp_receive_endpoint_create(0, NULL, &stream->resp_endpoint);
- if (ret != 0) {
- perror("fwp_receive_endpoint_create");
- exit(1);
- }
+ if (ret != 0) error(1, errno, "fwp_receive_endpoint_create");
+
unsigned int port;
fwp_endpoint_get_params(stream->resp_endpoint, NULL, &port, NULL);
stream->resp_port = port;
- printf("resp_port = %d\n", port);
ret = pthread_create(&stream->receiver.thread, NULL, receiver, (void*)stream);
- if (ret) {
- perror("Error while creating receiver\n");
- exit(1);
- }
+ if (ret) error(1, ret, "Error while creating receiver");
+
+ stream->receiver.valid = true;
}
else {
- char str[100];
- snprintf(str, sizeof(str), "gethostbyname(%s)", server_addr);
- perror(str);
- exit(1);
+ error(1, errno, "gethostbyname(%s)", server_addr);
}
}
if (ph)
stream->rem_addr.sin_addr = *((struct in_addr *)ph->h_addr);
else {
- char str[100];
- snprintf(str, sizeof(str), "gethostbyname(%s)", server_addr);
- perror(str);
- exit(1);
+ error(1, errno, "gethostbyname(%s)", server_addr);
}
stream->rem_addr.sin_port = htons(BASE_PORT + stream->ac);
}
} else {
char buf[200];
stream_to_text(buf, sizeof(buf), stream, 0);
- fprintf(stderr, "Neither packet size nor period was specified for a stream %s\n", buf);
- exit(1);
+ error(1, 0, "Neither packet size nor period was specified for a stream %s", buf);
}
if (packet_size < sizeof(struct msg_t)) {
- fprintf(stderr, "Packet size too small (min %d)\n", sizeof(struct msg_t));
- exit(1);
+ error(1, 0, "Packet size too small (min %zd)", sizeof(struct msg_t));
}
stream->packet_size = packet_size;
} else {
char buf[200];
stream_to_text(buf, sizeof(buf), stream, 0);
- fprintf(stderr, "Contract hasn't been accepted: %s\n", buf);
+ fprintf(stderr, "Contract hasn't been accepted:\n%s\n", buf);
stream->bandwidth_bps = 0;
+ some_contract_not_accepted = true;
}
}
}
#endif
+#ifdef WITH_FWP
+void init_gui()
+{
+ initscr();
+ cbreak();
+ noecho();
+}
+
+#define addfield(title, format, ...) \
+ move(y, x); \
+ x+=strlen(title)+1; \
+ if (i == 0) addstr(title); \
+ else { \
+ snprintf(str, sizeof(str), format, __VA_ARGS__); \
+ addstr(str); \
+ }
+
+void print_status(int seconds)
+{
+ int i;
+ char str[200], s1[20];
+ int x = 0, y;
+ struct stream *s = NULL;
+
+ for (i = 0; i <= nr_streams; i++) {
+ if (i>0) s = &streams[i-1];
+ y=i;
+ x=0;
+ addfield("Stream", "%d", i);
+ addfield("Bandwidth", "%s", bandwidth_to_text(s1, s->bandwidth_bps));
+ addfield("Packet size", "%d bytes", s->packet_size);
+ addfield("Period ", "%s", usec_to_text(s1, s->period_usec));
+ addfield("AC ", "%s", ac_to_text[s->ac]);
+ addfield("Worst-case delay", "%s", usec_to_text(s1, s->wc_delay));
+ addfield("Received responses", "%lld", s->received);
+ }
+ refresh();
+}
+#else
+void init_gui() {}
+void print_status(int seconds)
+{
+ int ac;
+ fprintf(stderr, "\r%3ds", seconds);
+ for (ac = 0; ac < AC_NUM; ac++) {
+ int delta = receivers[ac].received - receivers[ac].last_received;
+ receivers[ac].last_received = receivers[ac].received;
+ fprintf(stderr, " %s %5d %4d/s", ac_to_text[ac], receivers[ac].received, delta);
+ }
+ fflush(stderr);
+}
+#endif
+
int main(int argc, char *argv[])
{
- int ac, i, rc, seconds;
+ int i, rc, frames, seconds;
pthread_attr_t attr;
pthread_t thread;
char opt;
opt_def_bandwidth = atoi(optarg);
break;
case 'b': {
- char *error;
- error = parse_bandwidths(optarg);
- if (error != NULL) {
- if (*error == '\0')
- fprintf(stderr, "Bandwidth parse error - string to short\n");
+ char *errpos;
+ errpos = parse_bandwidths(optarg);
+ if (errpos != NULL) {
+ if (*errpos == '\0')
+ error(1, 0, "Bandwidth parse error - string to short");
else
- fprintf(stderr, "Bandwidth parse error at '%s'\n", error);
- exit(1);
+ error(1, 0, "Bandwidth parse error at '%s'", errpos);
}
break;
}
case 'g':
opt_granularity_usec = atoi(optarg);
if (opt_granularity_usec < MIN_GRANULARITY) {
- fprintf(stderr, "Granulatiry too small (min %d)!\n", MIN_GRANULARITY);
- exit(1);
+ error(1, 0, "Granulatiry too small (min %d)", MIN_GRANULARITY);
}
break;
case 'I':
break;
case 'j':
#ifdef WITH_FWP
- fprintf(stderr, "-j is not allowd when compiled with FWP\n");
- exit(1);
+ error(1, 0, "-j is not allowd when compiled with FWP");
#else
opt_jitter = atoi(optarg);
#endif
}
}
if (opt_packet_size && opt_def_period_msec) {
- fprintf(stderr, "Error: Nonzero -T and -s can't be used together!.\n");
- exit(1);
+ error(1, 0, "Error: Nonzero -T and -s can't be used together!");
}
if (optind < argc) {
server_addr = argv[optind];
} else {
- fprintf(stderr, "Expected server address argument\n");
- exit(1);
+ error(1, 0, "Expected server address argument");
}
if (nr_streams == 0)
snprintf(logfname, sizeof(logfname), "%s.dat", opt_output);
if ((logfd = fopen(logfname,"w+")) == NULL) {
- fprintf(stderr,"Can not open %s\n", logfname);
- exit(1);
+ error(1, errno ,"Can not open %s", logfname);
}
if (signal(SIGTERM, stopper) == SIG_ERR) {
- perror("Error in signal registration");
- exit(1);
+ error(1, errno, "Error in signal registration");
}
if (signal(SIGINT, stopper) == SIG_ERR) {
- perror("Signal handler registration error");
- exit(1);
+ error(1, errno, "Signal handler registration error");
}
struct sigaction sa;
sa.sa_flags = 0; /* don't restart syscalls */
if (sigaction(SIGUSR1, &sa, NULL) < 0) {
- perror("sigaction error");
- exit(1);
+ error(1, errno, "sigaction error");
}
sem_init(&sem_thread_finished, 0, 0);
#ifdef WITH_FWP
rc = fwp_init();
if (rc != 0) {
- fprintf(stderr, "FWP initialization failed\n");
- exit(1);
+ error(1, errno, "FWP initialization failed");
}
#else
+ intptr_t ac;
/* create four receivers each per AC */
for (ac = AC_NUM - 1; ac >= 0; ac--) {
ac_sockfd[ac] = create_ac_socket(ac);
}
rc = pthread_create(&receivers[ac].thread, &attr, receiver, (void*) ac);
if (rc) {
- fprintf(stderr, "Error while creating receiver %d\n",rc);
- return 1;
+ error(1, rc, "Error while creating receiver");
}
+ receivers[ac].valid = true;
}
#endif
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, opt_interface, IFNAMSIZ-1);
if (ioctl(ac_sockfd[AC_VO], SIOCGIFINDEX, &ifr) < 0) {
- fprintf(stderr, "unknown iface %s\n", opt_interface);
- exit(1);
+ error(1, 0, "unknown iface %s", opt_interface);
}
cmsg.ipi.ipi_ifindex = ifr.ifr_ifindex;
cmsg_len = sizeof(cmsg);
pthread_mutex_init(&s->mutex, NULL);
calc_stream_params(s);
rc = pthread_create(&thread, &attr, sender, (void*) s);
- if (rc) {
- fprintf(stderr, "Error while creating sender %d\n",rc);
- return 1;
- }
+ if (rc) error(1, rc, "Error while creating sender");
}
-
- seconds = 0;
- while (!exit_flag) {
- sleep(1);
- seconds++;
- fprintf(stderr, "\r%3ds", seconds);
- for (ac = 0; ac < AC_NUM; ac++) {
- int delta = receivers[ac].received - receivers[ac].last_received;
- receivers[ac].last_received = receivers[ac].received;
- fprintf(stderr, " %s %5d %4d/s", ac_to_text[ac], receivers[ac].received, delta);
+
+ if (some_contract_not_accepted) {
+ stopper();
+ } else {
+ //init_gui();
+
+ seconds = 1;
+ frames=0;
+ while (!exit_flag) {
+#ifdef WITH_FWP
+ usleep(40000);
+#else
+ sleep(1);
+#endif
+ frames++;
+ if (frames>=25) {
+ seconds++;
+ frames = 0;
+ }
+ print_status(seconds);
+ if (seconds == opt_count_sec)
+ stopper();
}
- fflush(stderr);
- if (seconds == opt_count_sec)
- stopper();
}
+#ifdef WITH_FWP
+ //endwin();
+ fwp_done();
+#else
fprintf(stderr, "\nWaiting for threads to finish\n");
wait_for_all_threads_to_finish();
- struct timespec end_timestamp, measure_length;
- clock_gettime(CLOCK_REALTIME,&end_timestamp);
- timespec_sub(&measure_length, &end_timestamp, &reset_timestamp);
+ struct timespec ts;
+ uint64_t end_timestamp, measure_length;
+ clock_gettime(CLOCK_REALTIME,&ts);
+ end_timestamp = ts.tv_sec*1000000000LL+ts.tv_nsec;
+ measure_length = end_timestamp - reset_timestamp;
- save_results(argc, argv, timespec2usec(&measure_length));
+ save_results(argc, argv, measure_length/1000);
+#endif
return 0;
}
projects / frescor / fwp.git / blobdiff