Boolean OSCBeProductiveWhileWaiting(void) {
/* Here's where we could be clever if an allocation fails.
(I.e., if we're out of QD objects, we should avoid
parsing bundles.) The code isn't that smart yet. */
queuedData *qd;
if (globals.timePassed) {
OSCQueueScanStart(globals.TheQueue);
}
while (1) {
qd = (queuedData *) OSCQueueScanNext(globals.TheQueue);
if (qd == 0) return FALSE;
if (qd->type == BUNDLE) {
ParseBundle(qd);
OSCQueueRemoveCurrentScanItem(globals.TheQueue);
return TRUE;
} else {
if (qd->data.message.callbacks == NOT_DISPATCHED_YET) {
if (ParseMessage(qd) == FALSE) {
/* Problem with this message - flush it. */
DropMessage(qd->data.message.messageName,
qd->data.message.length,
qd->myPacket);
OSCQueueRemoveCurrentScanItem(globals.TheQueue);
PacketRemoveRef(qd->myPacket);
FreeQD(qd);
}
return TRUE;
}
/* The item we found was an already-dispatched message,
so continue the while loop. */
}
}
}
void ScanTest(OSCQueue q) {
myObj *item;
printf("Start scan.\n");
OSCQueueScanStart(q);
while(1) {
item = (myObj *) OSCQueueScanNext(q);
if (item == 0) {
printf("End of scan.\n");
break;
}
printf(" Next scan object: time tag %llu, data %s\n",
item->timetag, item->data);
}
printf("Queue should be unchanged after scan: ");
OSCQueuePrint(q);
printf("Another scan, this time removing data that begins with 's'.\n");
OSCQueueScanStart(q);
while(1) {
item = (myObj *) OSCQueueScanNext(q);
if (item == 0) {
printf("End of scan.\n");
break;
}
if (item->data[0] == 's') {
printf(" Scan object data begins with 's': time tag %llu, data %s\n",
item->timetag, item->data);
printf("How the queue looks before removal: ");
OSCQueuePrint(q);
OSCQueueRemoveCurrentScanItem(q);
printf("How the queue looks after removal: ");
OSCQueuePrint(q);
}
}
}