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/*
bpcounter.c: a test bundle counter.
*/
/* */
/* Copyright (c) 2006, California Institute of Technology. */
/* All rights reserved. */
/* Author: Scott Burleigh, Jet Propulsion Laboratory */
/* */
#include <bp.h>
typedef struct
{
BpSAP sap;
int running;
} BptestState;
static BptestState *_bptestState(BptestState *newState)
{
void *value;
BptestState *state;
if (newState) /* Add task variable. */
{
value = (void *) (newState);
state = (BptestState *) sm_TaskVar(&value);
}
else /* Retrieve task variable. */
{
state = (BptestState *) sm_TaskVar(NULL);
}
return state;
}
static void handleQuit()
{
BptestState *state;
isignal(SIGINT, handleQuit);
PUTS("BP reception interrupted.");
state = _bptestState(NULL);
bp_interrupt(state->sap);
state->running = 0;
}
static int _bundleCount(int increment)
{
static int count = 0;
if (increment)
{
count++;
}
return count;
}
static int printCount(void *userData)
{
PUTMEMO("Bundles received", itoa(_bundleCount(0)));
fflush(stdout);
return 0;
}
#if defined (VXWORKS) || defined (RTEMS)
int bpcounter(int a1, int a2, int a3, int a4, int a5,
int a6, int a7, int a8, int a9, int a10)
{
char *ownEid = (char *) a1;
int maxCount = a2;
#else
int main(int argc, char **argv)
{
char *ownEid = (argc > 1 ? argv[1] : NULL);
int maxCount = (argc > 2 ? atoi(argv[2]) : 0);
#endif
BptestState state = { NULL, 1 };
Sdr sdr;
BpDelivery dlv;
struct timeval startTime;
double bytesReceived = 0.0;
int bundlesReceived = -1;
IonAlarm alarm = { 5, 0, printCount, NULL };
pthread_t alarmThread;
struct timeval endTime;
double interval;
char textBuf[256];
if (ownEid == NULL)
{
PUTS("Usage: bpcounter <own endpoint ID> [<max count>]");
return 0;
}
if (maxCount < 1)
{
maxCount = 2000000000;
}
if (bp_attach() < 0)
{
putErrmsg("Can't attach to BP.", NULL);
return 0;
}
if (bp_open(ownEid, &state.sap) < 0)
{
putErrmsg("Can't open own endpoint.", ownEid);
return 0;
}
oK(_bptestState(&state));
sdr = bp_get_sdr();
ionSetAlarm(&alarm, &alarmThread);
isignal(SIGINT, handleQuit);
while (state.running)
{
if (bp_receive(state.sap, &dlv, BP_BLOCKING) < 0)
{
putErrmsg("bpcounter bundle reception failed.", NULL);
state.running = 0;
continue;
}
switch (dlv.result)
{
case BpReceptionInterrupted:
continue;
case BpEndpointStopped:
state.running = 0;
continue;
case BpPayloadPresent:
if (bundlesReceived < 0)
{
/* This is just the pilot bundle
* that starts bpcounter's timer. */
getCurrentTime(&startTime);
bundlesReceived = 0;
}
else
{
bundlesReceived = _bundleCount(1);
CHKZERO(sdr_begin_xn(sdr));
bytesReceived += zco_length(sdr, dlv.adu);
sdr_exit_xn(sdr);
}
break;
default:
break;
}
bp_release_delivery(&dlv, 1);
if (bundlesReceived == maxCount)
{
state.running = 0;
}
}
getCurrentTime(&endTime);
ionCancelAlarm(alarmThread);
bp_close(state.sap);
PUTMEMO("Stopping bpcounter; bundles received", itoa(bundlesReceived));
if (bundlesReceived > 0)
{
if (endTime.tv_usec < startTime.tv_usec)
{
endTime.tv_usec += 1000000;
endTime.tv_sec -= 1;
}
interval = (endTime.tv_usec - startTime.tv_usec)
+ (1000000 * (endTime.tv_sec - startTime.tv_sec));
isprintf(textBuf, sizeof textBuf, "%.3f", interval / 1000000);
PUTMEMO("Time (seconds)", textBuf);
isprintf(textBuf, sizeof textBuf, "%.0f", bytesReceived);
PUTMEMO("Total bytes", textBuf);
if (interval > 0.0)
{
isprintf(textBuf, sizeof textBuf, "%.3f",
((bytesReceived * 8) / (interval / 1000000))
/ 1000000);
PUTMEMO("Throughput (Mbps)", textBuf);
}
else
{
PUTS("Interval is too short to measure rate.");
}
}
writeMemo("[i] bpcounter has ended.");
bp_detach();
return 0;
}
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