static int attachToCfdp()
{
if (cfdpAttach() < 0)
{
printText("CFDP not initialized yet.");
return -1;
}
return 0;
}
int bputa(int a1, int a2, int a3, int a4, int a5,
int a6, int a7, int a8, int a9, int a10)
{
#else
int main(int argc, char **argv)
{
#endif
char ownEid[64];
BpSAP txSap;
RxThreadParms parms;
Sdr sdr;
pthread_t rxThread;
int haveRxThread = 0;
Object pduZco;
OutFdu fduBuffer;
BpUtParms utParms;
uvast destinationNodeNbr;
char destEid[64];
char reportToEidBuf[64];
char *reportToEid;
Object newBundle;
Object pduElt;
if (bp_attach() < 0)
{
putErrmsg("CFDP can't attach to BP.", NULL);
return 0;
}
isprintf(ownEid, sizeof ownEid, "ipn:" UVAST_FIELDSPEC ".%u",
getOwnNodeNbr(), CFDP_SEND_SVC_NBR);
if (bp_open(ownEid, &txSap) < 0)
{
putErrmsg("CFDP can't open own 'send' endpoint.", ownEid);
return 0;
}
if (txSap == NULL)
{
putErrmsg("bputa can't get Bundle Protocol SAP.", NULL);
return 0;
}
if (cfdpAttach() < 0)
{
bp_close(txSap);
putErrmsg("bputa can't attach to CFDP.", NULL);
return 0;
}
sdr = bp_get_sdr();
parms.mainThread = pthread_self();
parms.running = 1;
if (pthread_begin(&rxThread, NULL, receivePdus, &parms))
{
bp_close(txSap);
putSysErrmsg("bputa can't create receiver thread", NULL);
return -1;
}
haveRxThread = 1;
writeMemo("[i] bputa is running.");
while (parms.running)
{
/* Get an outbound CFDP PDU for transmission. */
if (cfdpDequeueOutboundPdu(&pduZco, &fduBuffer) < 0)
{
writeMemo("[?] bputa can't dequeue outbound CFDP PDU; \
terminating.");
parms.running = 0;
continue;
}
/* Determine quality of service for transmission. */
if (fduBuffer.utParmsLength == sizeof(BpUtParms))
{
memcpy((char *) &utParms, (char *) &fduBuffer.utParms,
sizeof(BpUtParms));
}
else
{
memset((char *) &utParms, 0, sizeof(BpUtParms));
utParms.reportToNodeNbr = 0;
utParms.lifespan = 86400; /* 1 day. */
utParms.classOfService = BP_STD_PRIORITY;
utParms.custodySwitch = NoCustodyRequested;
utParms.srrFlags = 0;
utParms.ackRequested = 0;
utParms.extendedCOS.flowLabel = 0;
utParms.extendedCOS.flags = 0;
utParms.extendedCOS.ordinal = 0;
}
cfdp_decompress_number(&destinationNodeNbr,
&fduBuffer.destinationEntityNbr);
if (destinationNodeNbr == 0)
{
writeMemo("[?] bputa declining to send to node 0.");
continue;
}
isprintf(destEid, sizeof destEid, "ipn:" UVAST_FIELDSPEC ".%u",
destinationNodeNbr, CFDP_RECV_SVC_NBR);
if (utParms.reportToNodeNbr == 0)
{
reportToEid = NULL;
}
else
{
isprintf(reportToEidBuf, sizeof reportToEidBuf,
"ipn:" UVAST_FIELDSPEC ".%u",
utParms.reportToNodeNbr,
CFDP_RECV_SVC_NBR);
reportToEid = reportToEidBuf;
}
/* Send PDU in a bundle. */
newBundle = 0;
if (bp_send(txSap, destEid, reportToEid, utParms.lifespan,
utParms.classOfService, utParms.custodySwitch,
utParms.srrFlags, utParms.ackRequested,
&utParms.extendedCOS, pduZco, &newBundle) <= 0)
{
putErrmsg("bputa can't send PDU in bundle; terminated.",
NULL);
parms.running = 0;
}
if (newBundle == 0)
{
continue; /* Must have stopped. */
}
/* Enable cancellation of this PDU. */
if (sdr_begin_xn(sdr) == 0)
{
parms.running = 0;
continue;
}
pduElt = sdr_list_insert_last(sdr, fduBuffer.extantPdus,
newBundle);
if (pduElt)
{
bp_track(newBundle, pduElt);
}
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("bputa can't track PDU; terminated.", NULL);
parms.running = 0;
}
/* Make sure other tasks have a chance to run. */
sm_TaskYield();
}
