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);
}
}
}
OSCQueue OSCNewQueue(int maxItems, void *(*InitTimeMalloc)(int numBytes)) {
OSCQueue result;
if (maxItems > CAPACITY) fatal_error("Increase CAPACITY in OSC-priority-queue.c");
result = (*InitTimeMalloc)(sizeof(*result));
if (result == 0) return 0;
result->n = 0;
#ifdef DEBUG_OSC_PRIORITY_QUEUE
OSCQueuePrint(result);
#endif
return result;
}
void main (void) {
OSCQueue q;
myObj *item;
q = OSCNewQueue(100, Allocator);
if (q == 0) {
printf("OSCNewQueue() returned 0!\n");
return;
}
printf("Made an empty queue: ");
OSCQueuePrint(q);
printf("Inserting three objects.\n");
objects[0].timetag = 5;
objects[0].data = "five";
objects[1].timetag = 2;
objects[1].data = "two";
objects[2].timetag = 7;
objects[2].data = "seven";
if (OSCQueueInsert(q, (OSCSchedulableObject) &(objects[0])) == FALSE) {
printf("OSCQueueInsert() returned FALSE!\n");
return;
}
if (OSCQueueInsert(q, (OSCSchedulableObject) &(objects[1])) == FALSE) {
printf("OSCQueueInsert() returned FALSE!\n");
return;
}
if (OSCQueueInsert(q, (OSCSchedulableObject) &(objects[2])) == FALSE) {
printf("OSCQueueInsert() returned FALSE!\n");
return;
}
printf("Queue with three objects: ");
OSCQueuePrint(q);
printf("Earliest time tag is %llu.\n", OSCQueueEarliestTimeTag(q));
printf("Remove front item:\n");
item = (myObj *) OSCQueueRemoveEarliest(q);
printf("Time tag %llu, data %s\n", item->timetag, item->data);
printf("Queue with two objects: ");
OSCQueuePrint(q);
printf("Inserting three more objects.\n");
objects[3].timetag = 11;
objects[3].data = "eleven";
objects[4].timetag = 6;
objects[4].data = "six";
objects[5].timetag = 3;
objects[5].data = "three";
if (OSCQueueInsert(q, (OSCSchedulableObject) &(objects[3])) == FALSE) {
printf("OSCQueueInsert() returned FALSE!\n");
return;
}
if (OSCQueueInsert(q, (OSCSchedulableObject) &(objects[4])) == FALSE) {
printf("OSCQueueInsert() returned FALSE!\n");
return;
}
if (OSCQueueInsert(q, (OSCSchedulableObject) &(objects[5])) == FALSE) {
printf("OSCQueueInsert() returned FALSE!\n");
return;
}
printf("Queue with five objects: ");
OSCQueuePrint(q);
ScanTest(q);
StressTest(q);
printf("Done!\n");
}
