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minor changes and packet payloads changed

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This commit is contained in:
kaustubhprabhu 2009-07-08 22:57:43 +00:00
parent 6b65cf6e25
commit 71a7ccf6d3
1 changed files with 95 additions and 57 deletions
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152
src/iperf_api.c
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@ -43,6 +43,27 @@ static struct option longopts[] =
};
void setnonblocking(int sock)
{
int opts;
/*
opts = fcntl(sock,F_GETFL);
if (opts < 0) {
perror("fcntl(F_GETFL)");
exit(EXIT_FAILURE);
}
*/
opts = (opts | O_NONBLOCK);
if (fcntl(sock,F_SETFL,opts) < 0)
{
perror("fcntl(F_SETFL)");
exit(EXIT_FAILURE);
}
return;
}
void add_interval_list(struct iperf_stream_result *rp, struct iperf_interval_results temp)
{
struct iperf_interval_results *n;
@ -80,7 +101,7 @@ void display_interval_list(struct iperf_stream_result *rp)
void send_result_to_client(struct iperf_stream *sp)
{
int result;
int size = sp->settings->blksize;
int size = strlen((char *)sp->data) + 1;
printf("BLKSIZE = %d \n", size);
@ -97,7 +118,7 @@ void send_result_to_client(struct iperf_stream *sp)
result = send(sp->socket, buf, size , 0);
free(buf);
free(buf);
}
void receive_result_from_server(struct iperf_test *test)
@ -170,7 +191,7 @@ int set_socket_options(struct iperf_stream *sp, struct iperf_test *tp)
}
}
#ifdef TCP_MAXSEG
//-M
if(tp->default_settings->mss > 0)
{
@ -181,22 +202,23 @@ int set_socket_options(struct iperf_stream *sp, struct iperf_test *tp)
assert( sp->socket != -1);
/* set */
new_mss = tp->default_settings->mss;
len = sizeof( new_mss );
rc = setsockopt( sp->socket, IPPROTO_TCP, TCP_MAXSEG, (char*) &new_mss, len);
if ( rc == -1) {
perror("setsockopt");
return -1;
}
new_mss = tp->default_settings->mss;
len = sizeof( new_mss );
rc = setsockopt( sp->socket, IPPROTO_TCP, TCP_MAXSEG, (char*) &new_mss, len);
if ( rc == -1) {
perror("setsockopt");
return -1;
}
/* verify results */
rc = getsockopt( sp->socket, IPPROTO_TCP, TCP_MAXSEG, (char*) &new_mss, &len);
if ( new_mss != tp->default_settings->mss )
{
perror("mismatch");
return -1;
}
}
rc = getsockopt( sp->socket, IPPROTO_TCP, TCP_MAXSEG, (char*) &new_mss, &len);
if ( new_mss != tp->default_settings->mss )
{
perror("mismatch");
return -1;
}
}
#endif
return 0;
}
@ -327,23 +349,30 @@ int iperf_tcp_send(struct iperf_stream *sp)
{
case STREAM_BEGIN:
buf[0]= STREAM_BEGIN;
break;
for(i=1; i < size; i++)
buf[i] = i % 37;
break;
case STREAM_END:
buf[0]= STREAM_END;
break;
buf[0]= STREAM_END;
break;
case RESULT_REQUEST:
buf[0]= RESULT_REQUEST;
break;
case ALL_STREAMS_END:
buf[0]= ALL_STREAMS_END;
buf[0]= ALL_STREAMS_END;
break;
default:
buf[0]= 0;
for(i=1; i < size; i++)
buf[i] = i % 37;
break;
}
for(i=1; i < size; i++)
buf[i] = i % 37;
//applicable for 1st packet sent
if(sp->settings->state == STREAM_BEGIN)
@ -384,23 +413,29 @@ int iperf_udp_send(struct iperf_stream *sp)
{
case STREAM_BEGIN:
buf[0]= STREAM_BEGIN;
break;
case STREAM_END:
buf[0]= STREAM_END;
break;
for(i=1; i < size; i++)
buf[i] = i % 37;
break;
case STREAM_END:
buf[0]= STREAM_END;
break;
case RESULT_REQUEST:
buf[0]= RESULT_REQUEST;
break;
case ALL_STREAMS_END:
buf[0]= ALL_STREAMS_END;
buf[0]= ALL_STREAMS_END;
break;
default:
buf[0]= 0;
break;
}
for(i=1; i < size; i++)
buf[i] = i % 37;
for(i=1; i < size; i++)
buf[i] = i % 37;
break;
}
// applicable for 1st packet sent
if(sp->settings->state == STREAM_BEGIN)
{
@ -433,8 +468,6 @@ int iperf_udp_send(struct iperf_stream *sp)
free(buf);
} // timer_expired_micro
return result;
}
@ -540,7 +573,6 @@ void iperf_init_test(struct iperf_test *test)
perror("unable to set window");
}
//setting noblock causes error in byte count -kprabhu
//setnonblocking(s);
sp = test->new_stream(test);
@ -628,44 +660,43 @@ char *iperf_reporter_callback(struct iperf_test *test)
iperf_size_t bytes=0;
double start_time, end_time;
// need to reassign this
char *message = (char *) malloc(500);
char *message = (char *) malloc(500);
// used to determine the length of reporter buffer
while(sp)
{
count ++;
sp = sp->next;
}
sp = test->streams;
char *message_final = (char *) malloc((count+1) * (strlen(report_bw_jitter_loss_header) + strlen(report_bw_jitter_loss_format) + strlen(report_sum_bw_jitter_loss_format)) );
char *message_final = (char *) malloc((count+1) * (strlen(report_bw_jitter_loss_header) + strlen(report_bw_jitter_loss_format) + strlen(report_sum_bw_jitter_loss_format)));
struct iperf_interval_results *ip = test->streams->result->interval_results;
sp = test->streams;
if(test->default_settings->state == TEST_RUNNING)
{
while(sp)
{
while(ip->next!= NULL)
ip = ip->next;
while(ip->next!= NULL)
ip = ip->next;
bytes+= ip->bytes_transferred;
unit_snprintf(ubuf, UNIT_LEN, (double) (ip->bytes_transferred), test->unit_format);
bytes+= ip->bytes_transferred;
unit_snprintf(ubuf, UNIT_LEN, (double) (ip->bytes_transferred), test->unit_format);
test->stats_interval = test->stats_interval== 0 ? test->duration : test->stats_interval;
test->stats_interval = test->stats_interval== 0 ? test->duration : test->stats_interval;
unit_snprintf(nbuf, UNIT_LEN, (double) (ip->bytes_transferred / test->stats_interval), test->unit_format);
unit_snprintf(nbuf, UNIT_LEN, (double) (ip->bytes_transferred / test->stats_interval), test->unit_format);
sprintf(message,report_bw_header);
strcat(message_final, message);
if(test->stats_interval!= 0)
sprintf(message, report_bw_format, sp->socket, (double)ip->interval_duration, (double)ip->interval_duration + test->stats_interval, ubuf, nbuf);
sprintf(message,report_bw_header);
strcat(message_final, message);
if(test->stats_interval!= 0)
sprintf(message, report_bw_format, sp->socket, (double)ip->interval_duration, (double)ip->interval_duration + test->stats_interval, ubuf, nbuf);
strcat(message_final, message);
strcat(message_final, message);
sp = sp->next;
sp = sp->next;
}
unit_snprintf(ubuf, UNIT_LEN, (double) ( bytes), test->unit_format);
@ -761,7 +792,7 @@ char *iperf_reporter_callback(struct iperf_test *test)
// -m option
if((test->print_mss != 0) && (test->role == 'c'))
{
sprintf(message,"the TCP maximum segment size mss = %d \n", getsock_tcp_mss(sp->socket));
sprintf(message,"\nThe TCP maximum segment size mss = %d \n", getsock_tcp_mss(sp->socket));
strcat(message_final, message);
}
@ -891,6 +922,9 @@ int iperf_udp_accept(struct iperf_test *test)
sp = test->new_stream(test);
sp->socket = test->listener_sock_udp;
//setting noblock doesn't report back to client
//setnonblocking( sp->socket);
iperf_init_stream(sp, test);
sp->result->bytes_received+= sz;
iperf_add_stream(test, sp);
@ -928,6 +962,8 @@ int iperf_tcp_accept(struct iperf_test *test)
else
{
sp = test->new_stream(test);
//setting noblock doesn't report back to client
//setnonblocking(peersock);
FD_SET(peersock, &test->read_set);
@ -1355,7 +1391,8 @@ main(int argc, char **argv)
test->default_settings->rate = unit_atof(optarg);
break;
case 'l':
test->default_settings->blksize = atol(optarg);
test->default_settings->blksize = unit_atoi(optarg);
printf("%lld is the blksize\n", unit_atoi(optarg));
break;
case 'w':
test->default_settings->socket_bufsize = unit_atof(optarg);
@ -1371,6 +1408,7 @@ main(int argc, char **argv)
break;
case 'M':
test->default_settings->mss = atoi(optarg);
break;
case 'f':
test->unit_format = *optarg;
printf("%c is format \n", test->unit_format);