static void *handleMessages(void *parm)
{
/* Main loop for message reception and handling. */
ReceiverThreadParms *rtp = (ReceiverThreadParms *) parm;
int segLength;
char msgbuf[PMQLSA_MSGSIZE];
unsigned int mqp; /* Priority of rec'd msg. */
iblock(SIGTERM);
while (rtp->running)
{
segLength = mq_receive(rtp->mq, msgbuf, sizeof msgbuf, &mqp);
switch (segLength)
{
case 1: /* Normal stop. */
continue;
case -1:
putSysErrmsg("pmqlsi failed receiving msg", NULL);
pthread_kill(rtp->mainThread, SIGTERM);
rtp->running = 0;
continue;
}
if (ltpHandleInboundSegment(msgbuf, segLength) < 0)
{
putErrmsg("Can't handle inbound segment.", NULL);
pthread_kill(rtp->mainThread, SIGTERM);
rtp->running = 0;
continue;
}
/* Make sure other tasks have a chance to run. */
sm_TaskYield();
}
writeErrmsgMemos();
writeMemo("[i] pmqlsi receiver thread has ended.");
return NULL;
}
static void *handleDatagrams(void *parm)
{
/* Main loop for UDP datagram reception and handling. */
ReceiverThreadParms *rtp = (ReceiverThreadParms *) parm;
char *procName = "udplsi";
char *buffer;
int segmentLength;
struct sockaddr_in fromAddr;
socklen_t fromSize;
snooze(1); /* Let main thread become interruptable. */
buffer = MTAKE(UDPLSA_BUFSZ);
if (buffer == NULL)
{
putErrmsg("udplsi can't get UDP buffer.", NULL);
ionKillMainThread(procName);
return NULL;
}
/* Can now start receiving bundles. On failure, take
* down the LSI. */
while (rtp->running)
{
fromSize = sizeof fromAddr;
segmentLength = irecvfrom(rtp->linkSocket, buffer, UDPLSA_BUFSZ,
0, (struct sockaddr *) &fromAddr, &fromSize);
switch (segmentLength)
{
case -1:
putSysErrmsg("Can't acquire segment", NULL);
ionKillMainThread(procName);
/* Intentional fall-through to next case. */
case 1: /* Normal stop. */
rtp->running = 0;
continue;
}
if (ltpHandleInboundSegment(buffer, segmentLength) < 0)
{
putErrmsg("Can't handle inbound segment.", NULL);
ionKillMainThread(procName);
rtp->running = 0;
continue;
}
/* Make sure other tasks have a chance to run. */
sm_TaskYield();
}
writeErrmsgMemos();
writeMemo("[i] udplsi receiver thread has ended.");
/* Free resources. */
MRELEASE(buffer);
return NULL;
}
