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implemented code review changes - r100/101, added a check on failure to receive STREAM_END message

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This commit is contained in:
kaustubhprabhu 2009-06-30 23:41:23 +00:00
parent 6044ffd6f5
commit 8b44cd5a88
2 changed files with 64 additions and 25 deletions
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82
src/iperf_api.c
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@ -254,7 +254,12 @@ int iperf_tcp_recv(struct iperf_stream *sp)
{
ch = buf[0];
message = (int) ch;
}
}
if(message == 3 || message == 9 || message == 8)
{
printf(" Recieved %d from client\n", message);
}
if(message!= STREAM_END)
sp->result->bytes_received+= result;
@ -310,7 +315,8 @@ int iperf_tcp_send(struct iperf_stream *sp)
buf[0]= STREAM_BEGIN;
break;
case STREAM_END:
buf[0]= STREAM_END;
printf("STREAM END STARTING\n");
buf[0]= STREAM_END;
break;
case RESULT_REQUEST:
buf[0]= RESULT_REQUEST;
@ -324,15 +330,22 @@ int iperf_tcp_send(struct iperf_stream *sp)
}
for(i=1; i < size; i++)
buf[i] = i % 37;
buf[i] = i % 37;
//applicable for 1st packet sent
if(sp->settings->state == STREAM_BEGIN)
{
sp->settings->state = TEST_RUNNING;
sp->settings->state = STREAM_RUNNING;
}
result = send(sp->socket, buf, size , 0);
if(result <=0)
{
perror("send:");
return -1;
}
result = send(sp->socket, buf, size , 0);
sp->result->bytes_sent+= size;
free(buf);
@ -347,7 +360,7 @@ int iperf_udp_send(struct iperf_stream *sp)
// the || part ensures that last packet is sent to server - the STREAM_END MESSAGE
if(((struct timer *) sp->data)->expired((struct timer *) sp->data) || sp->settings->state == STREAM_END)
if(sp->send_timer->expired(sp->send_timer) || sp->settings->state == STREAM_END)
{
int size = sp->settings->blksize;
char *buf = (char *) malloc(size);
@ -385,14 +398,21 @@ int iperf_udp_send(struct iperf_stream *sp)
// applicable for 1st packet sent
if(sp->settings->state == STREAM_BEGIN)
{
sp->settings->state = TEST_RUNNING;
sp->settings->state = STREAM_RUNNING;
}
if(gettimeofday(&before, 0) < 0)
perror("gettimeofday");
result = send(sp->socket, buf, size, 0);
result = send(sp->socket, buf, size, 0);
if(result <=0)
{
perror("send:");
return -1;
}
sp->result->bytes_sent+= result;
if(gettimeofday(&after, 0) < 0)
@ -409,7 +429,7 @@ int iperf_udp_send(struct iperf_stream *sp)
memcpy(&before, &after, sizeof before);
// RESET THE TIMER
sp->data = new_timer(0, dtargus);
sp->send_timer = new_timer(0, dtargus);
//printf(" new timer is %lld usec\n", dtargus);
} // timer_expired_micro
@ -658,10 +678,12 @@ char *iperf_reporter_callback(struct iperf_test *test)
if(test->role == 'c')
bytes+= sp->result->bytes_sent;
else
bytes+= sp->result->bytes_received;
{
bytes+= sp->result->bytes_received;
}
sprintf(message,report_bw_header);
strcat(message_final, message);
sprintf(message,report_bw_header);
strcat(message_final, message);
start_time = timeval_diff(&sp->result->start_time, &sp->result->start_time);
end_time = timeval_diff(&sp->result->start_time, &sp->result->end_time);
@ -1014,7 +1036,7 @@ void iperf_run_server(struct iperf_test *test)
if (FD_ISSET(test->listener_sock, &test->temp_set))
{
test->accept(test);
test->default_settings->state = TEST_RUNNING;
test->default_settings->state = TEST_RUNNING;
FD_CLR(test->listener_sock, &test->temp_set);
}
@ -1029,18 +1051,18 @@ void iperf_run_server(struct iperf_test *test)
message = n->rcv(n);
if(message == STREAM_END)
{
{
n->settings->state = STREAM_END;
gettimeofday(&n->result->end_time, NULL);
FD_CLR(j, &test->read_set);
printf("stream ended \n");
gettimeofday(&n->result->end_time, NULL);
FD_CLR(j, &test->read_set);
}
if(message == RESULT_REQUEST)
{
n->settings->state = RESULT_RESPOND;
n->data = read;
send_result_to_client(n);
send_result_to_client(n);
// FREE ALL STREAMS
n = test->streams;
while(n)
@ -1056,8 +1078,21 @@ void iperf_run_server(struct iperf_test *test)
test->max_fd = test->listener_sock;
}
if( message == ALL_STREAMS_END )
if(message == ALL_STREAMS_END)
{
//sometimes the server is not getting the STREAM_END message
// hence changing the state of all but last stream forcefully
n = test->streams;
while(n->next)
{
if(n->settings->state == STREAM_BEGIN)
{
n->settings->state = STREAM_END;
gettimeofday(&n->result->end_time, NULL);
}
n= n->next;
}
test->default_settings->state = RESULT_REQUEST;
read = test->reporter_callback(test);
puts(read);
@ -1076,7 +1111,6 @@ void iperf_run_server(struct iperf_test *test)
test->max_fd = test->listener_sock;
}
}
}// end if (FD_ISSET(j, &temp_set))
@ -1117,7 +1151,7 @@ void iperf_run_client(struct iperf_test *test)
sp = test->streams;
for(i=0; i< test->num_streams; i++)
{
sp->data = new_timer(0, dtargus);
sp->send_timer = new_timer(0, dtargus);
sp= sp->next;
}
}
@ -1179,8 +1213,10 @@ void iperf_run_client(struct iperf_test *test)
{
sp = np;
sp->settings->state = STREAM_END;
sp->snd(sp);
np = sp->next;
sp->snd(sp);
printf("sent the STREAM_END message \n");
np = sp->next;
} while (np);
test->default_settings->state = RESULT_REQUEST;

7
src/iperf_api.h
View File

@ -47,6 +47,8 @@ struct iperf_stream
int socket; // socket
struct timer *send_timer;
struct sockaddr_storage local_addr;
struct sockaddr_storage remote_addr;
@ -132,8 +134,9 @@ enum {
RESULT_RESPOND = 4,
TEST_END = 5,
STREAM_BEGIN = 6,
STREAM_END = 7,
ALL_STREAMS_END = 8,
STREAM_RUNNING = 7,
STREAM_END = 8,
ALL_STREAMS_END = 9,
SEC_TO_US = 1000000
};