int udplsi(int a1, int a2, int a3, int a4, int a5,
int a6, int a7, int a8, int a9, int a10)
{
char *endpointSpec = (char *) a1;
#else
int main(int argc, char *argv[])
{
char *endpointSpec = (argc > 1 ? argv[1] : NULL);
#endif
LtpVdb *vdb;
unsigned short portNbr = 0;
unsigned int ipAddress = INADDR_ANY;
struct sockaddr socketName;
struct sockaddr_in *inetName;
ReceiverThreadParms rtp;
socklen_t nameLength;
pthread_t receiverThread;
int fd;
char quit = '\0';
/* Note that ltpadmin must be run before the first
* invocation of ltplsi, to initialize the LTP database
* (as necessary) and dynamic database. */
if (ltpInit(0) < 0)
{
putErrmsg("udplsi can't initialize LTP.", NULL);
return 1;
}
vdb = getLtpVdb();
if (vdb->lsiPid != ERROR && vdb->lsiPid != sm_TaskIdSelf())
{
putErrmsg("LSI task is already started.", itoa(vdb->lsiPid));
return 1;
}
/* All command-line arguments are now validated. */
if (endpointSpec)
{
if(parseSocketSpec(endpointSpec, &portNbr, &ipAddress) != 0)
{
putErrmsg("Can't get IP/port for endpointSpec.",
endpointSpec);
return -1;
}
}
if (portNbr == 0)
{
portNbr = LtpUdpDefaultPortNbr;
}
portNbr = htons(portNbr);
ipAddress = htonl(ipAddress);
memset((char *) &socketName, 0, sizeof socketName);
inetName = (struct sockaddr_in *) &socketName;
inetName->sin_family = AF_INET;
inetName->sin_port = portNbr;
memcpy((char *) &(inetName->sin_addr.s_addr), (char *) &ipAddress, 4);
rtp.linkSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (rtp.linkSocket < 0)
{
putSysErrmsg("LSI can't open UDP socket", NULL);
return -1;
}
nameLength = sizeof(struct sockaddr);
if (reUseAddress(rtp.linkSocket)
|| bind(rtp.linkSocket, &socketName, nameLength) < 0
|| getsockname(rtp.linkSocket, &socketName, &nameLength) < 0)
{
closesocket(rtp.linkSocket);
putSysErrmsg("Can't initialize socket", NULL);
return 1;
}
/* Set up signal handling; SIGTERM is shutdown signal. */
ionNoteMainThread("udplsi");
isignal(SIGTERM, interruptThread);
/* Start the receiver thread. */
rtp.running = 1;
if (pthread_begin(&receiverThread, NULL, handleDatagrams, &rtp))
{
closesocket(rtp.linkSocket);
putSysErrmsg("udplsi can't create receiver thread", NULL);
return 1;
}
/* Now sleep until interrupted by SIGTERM, at which point
* it's time to stop the link service. */
{
char txt[500];
isprintf(txt, sizeof(txt),
"[i] udplsi is running, spec=[%s:%d].",
inet_ntoa(inetName->sin_addr), ntohs(portNbr));
writeMemo(txt);
}
ionPauseMainThread(-1);
/* Time to shut down. */
rtp.running = 0;
/* Wake up the receiver thread by sending it a 1-byte
* datagram. */
fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (fd >= 0)
{
isendto(fd, &quit, 1, 0, &socketName, sizeof(struct sockaddr));
closesocket(fd);
}
pthread_join(receiverThread, NULL);
closesocket(rtp.linkSocket);
writeErrmsgMemos();
writeMemo("[i] udplsi has ended.");
ionDetach();
return 0;
}
int pmqlsi(int a1, int a2, int a3, int a4, int a5,
int a6, int a7, int a8, int a9, int a10)
{
char *mqName = (char *) a1;
#else
int main(int argc, char *argv[])
{
char *mqName = (argc > 1 ? argv[1] : NULL);
#endif
LtpVdb *vdb;
struct mq_attr mqAttributes =
{ 0, PMQLSA_MAXMSG, PMQLSA_MSGSIZE, 0 };
ReceiverThreadParms rtp;
pthread_t receiverThread;
char stop = '0';
if (mqName == NULL)
{
puts("Usage: pmqlsi <message queue name>");
return 0;
}
/* Note that ltpadmin must be run before the first
* invocation of ltplsi, to initialize the LTP database
* (as necessary) and dynamic database. */
if (ltpInit(0, 0) < 0)
{
putErrmsg("pmqlsi can't initialize LTP.", NULL);
return 1;
}
vdb = getLtpVdb();
if (vdb->lsiPid > 0 && vdb->lsiPid != sm_TaskIdSelf())
{
putErrmsg("LSI task is already started.", itoa(vdb->lsiPid));
return 1;
}
/* All command-line arguments are now validated. */
rtp.mq = mq_open(mqName, O_RDWR | O_CREAT, 0777, &mqAttributes);
if (rtp.mq == (mqd_t) -1)
{
putSysErrmsg("pmglsi can't open message queue", mqName);
return 1;
}
/* Set up signal handling; SIGTERM is shutdown signal. */
isignal(SIGTERM, interruptThread);
/* Start the receiver thread. */
rtp.running = 1;
rtp.mainThread = pthread_self();
if (pthread_create(&receiverThread, NULL, handleMessages, &rtp))
{
mq_close(rtp.mq);
putSysErrmsg("pmqlsi can't create receiver thread", NULL);
return 1;
}
/* Now sleep until interrupted by SIGTERM, at which point
* it's time to stop the link service. */
writeMemo("[i] pmqlsi is running");
snooze(2000000000);
/* Time to shut down. */
rtp.running = 0;
mq_send(rtp.mq, &stop, 1, 0); /* Tell receiver to stop. */
pthread_join(receiverThread, NULL);
mq_close(rtp.mq);
writeErrmsgMemos();
writeMemo("[i] pmqlsi duct has ended.");
return 0;
}
int ltpclock(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
Sdr sdr;
LtpDB *ltpConstants;
int state = 1;
time_t currentTime;
if (ltpInit(0, 0) < 0)
{
putErrmsg("ltpclock can't initialize LTP.", NULL);
return 1;
}
sdr = getIonsdr();
ltpConstants = getLtpConstants();
isignal(SIGTERM, shutDown);
/* Main loop: wait for event occurrence time, then
* execute applicable events. */
oK(_running(&state));
writeMemo("[i] ltpclock is running.");
while (_running(NULL))
{
/* Sleep for 1 second, then dispatch all events
* whose executions times have now been reached. */
snooze(1);
currentTime = getUTCTime();
/* Infer link state changes from rate changes
* noted in the shared ION database. */
if (manageLinks(sdr, currentTime) < 0)
{
putErrmsg("Can't manage links.", NULL);
state = 0; /* Terminate loop. */
oK(_running(&state));
continue;
}
/* Then dispatch retransmission events, as
* constrained by the new link state. */
if (dispatchEvents(sdr, ltpConstants->timeline, currentTime)
< 0)
{
putErrmsg("Can't dispatch events.", NULL);
state = 0; /* Terminate loop. */
oK(_running(&state));
continue;
}
}
writeErrmsgMemos();
writeMemo("[i] ltpclock has ended.");
ionDetach();
return 0;
}
int pmqlso(int a1, int a2, int a3, int a4, int a5,
int a6, int a7, int a8, int a9, int a10)
{
char *mqName = (char *) a1;
uvast remoteEngineId = a2 != 0 ? strtouvast((char *) a2) : 0;
#else
int main(int argc, char *argv[])
{
char *mqName = argc > 1 ? argv[1] : NULL;
uvast remoteEngineId = argc > 2 ? strtouvast(argv[2]) : 0;
#endif
Sdr sdr;
LtpVspan *vspan;
PsmAddress vspanElt;
struct mq_attr mqAttributes = { 0, PMQLSA_MAXMSG, PMQLSA_MSGSIZE, 0 };
mqd_t mq;
int running;
int segmentLength;
char *segment;
if (remoteEngineId == 0 || mqName == NULL)
{
puts("Usage: pmqlso <message queue name> <remote engine ID>");
return 0;
}
/* Note that ltpadmin must be run before the first
* invocation of ltplso, to initialize the LTP database
* (as necessary) and dynamic database. */
if (ltpInit(0) < 0)
{
putErrmsg("pmqlso can't initialize LTP.", NULL);
return 1;
}
sdr = getIonsdr();
CHKERR(sdr_begin_xn(sdr)); /* Just to lock memory. */
findSpan(remoteEngineId, &vspan, &vspanElt);
if (vspanElt == 0)
{
sdr_exit_xn(sdr);
putErrmsg("No such engine in database.", itoa(remoteEngineId));
return 1;
}
if (vspan->lsoPid > 0 && vspan->lsoPid != sm_TaskIdSelf())
{
sdr_exit_xn(sdr);
putErrmsg("LSO task is already started for this span.",
itoa(vspan->lsoPid));
return 1;
}
/* All command-line arguments are now validated. */
sdr_exit_xn(sdr);
mq = mq_open(mqName, O_RDWR | O_CREAT, 0777, &mqAttributes);
if (mq == (mqd_t) -1)
{
putSysErrmsg("pmqlso can't open message queue", mqName);
return 1;
}
oK(_pmqlsoSemaphore(&vspan->segSemaphore));
isignal(SIGTERM, interruptThread);
/* Can now begin transmitting to remote engine. */
writeMemo("[i] pmqlso is running.");
running = 1;
while (running && !(sm_SemEnded(_pmqlsoSemaphore(NULL))))
{
segmentLength = ltpDequeueOutboundSegment(vspan, &segment);
if (segmentLength < 0)
{
running = 0; /* Terminate LSO. */
continue;
}
if (segmentLength == 0) /* Interrupted. */
{
continue;
}
if (segmentLength > PMQLSA_MSGSIZE)
{
putErrmsg("Segment is too big for PMQ LSO.",
itoa(segmentLength));
running = 0; /* Terminate LSO. */
continue;
}
if (sendSegmentByPMQ(mq, segment, segmentLength) < 0)
{
putSysErrmsg("pmqlso failed sending segment", mqName);
running = 0; /* Terminate LSO. */
continue;
}
/* Make sure other tasks have a chance to run. */
sm_TaskYield();
}
mq_close(mq);
writeErrmsgMemos();
writeMemo("[i] pmqlso duct has ended.");
ionDetach();
return 0;
}
