int main(int argc, char *argv[])
{
PointerArray pa = { 0 };
paSet(&pa, 0, (void *) 0x1);
make_sure_that(paCount(&pa) == 1);
make_sure_that(paGet(&pa, 0) == (void *) 0x1);
make_sure_that(paGet(&pa, 1) == NULL);
make_sure_that(paGet(&pa, 2) == NULL);
paSet(&pa, 2, (void *) 0x3);
make_sure_that(paCount(&pa) == 3);
make_sure_that(paGet(&pa, 0) == (void *) 0x1);
make_sure_that(paGet(&pa, 1) == NULL);
make_sure_that(paGet(&pa, 2) == (void *) 0x3);
paSet(&pa, 1, (void *) 0x2);
make_sure_that(paCount(&pa) == 3);
make_sure_that(paGet(&pa, 0) == (void *) 0x1);
make_sure_that(paGet(&pa, 1) == (void *) 0x2);
make_sure_that(paGet(&pa, 2) == (void *) 0x3);
paDrop(&pa, 0);
make_sure_that(paCount(&pa) == 3);
make_sure_that(paGet(&pa, 0) == NULL);
make_sure_that(paGet(&pa, 1) == (void *) 0x2);
make_sure_that(paGet(&pa, 2) == (void *) 0x3);
paDrop(&pa, 2);
make_sure_that(paCount(&pa) == 2);
make_sure_that(paGet(&pa, 0) == NULL);
make_sure_that(paGet(&pa, 1) == (void *) 0x2);
make_sure_that(paGet(&pa, 2) == NULL);
paDrop(&pa, 1);
make_sure_that(paCount(&pa) == 0);
make_sure_that(paGet(&pa, 0) == NULL);
make_sure_that(paGet(&pa, 1) == NULL);
make_sure_that(paGet(&pa, 2) == NULL);
paClear(&pa);
}
/*
* Drop the subscription on file descriptor <fd>.
*/
void disDropData(Dispatcher *dis, int fd)
{
DIS_File *file = paGet(&dis->files, fd);
P dbgPrint(stderr, "Dropping fd %d\n", fd);
dbgAssert(stderr, file != NULL, "unknown file descriptor: %d\n", fd);
paDrop(&dis->files, fd);
}
/*
* Disconnect from a file descriptor that was returned earlier using nsConnect().
*/
void nsDisconnect(NS *ns, int fd)
{
NS_Connection *conn = paGet(&ns->connections, fd);
P dbgPrint(stderr, "Closing fd %d\n", fd);
close(fd);
disDropData(&ns->dis, fd);
paDrop(&ns->connections, fd);
bufReset(&conn->incoming);
free(conn);
}
/*
* Set the entry at <index> of pointer array <pa> to <ptr>.
*/
void paSet(PointerArray *pa, int index, void *ptr)
{
if (ptr == NULL) {
paDrop(pa, index);
}
else if (index < 0) {
dbgAbort(stderr, "index must be >= 0, got %d\n", index);
}
else if (index >= pa->num_ptrs) {
int new_num_ptrs = index + 1;
pa->ptr = realloc(pa->ptr, sizeof(void *) * new_num_ptrs);
memset(pa->ptr + pa->num_ptrs, 0, sizeof(void *) * (new_num_ptrs - pa->num_ptrs));
pa->num_ptrs = new_num_ptrs;
}
pa->ptr[index] = ptr;
}
/*
* Close dispatcher <dis>. This removes all file descriptors and timers, which will
* cause disRun() to return.
*/
void disClose(Dispatcher *dis)
{
int fd;
DIS_Timer *timer;
for (fd = 0; fd < paCount(&dis->files); fd++) {
DIS_File *file = paGet(&dis->files, fd);
if (file != NULL) {
paDrop(&dis->files, fd);
bufReset(&file->outgoing);
free(file);
}
}
while ((timer = listRemoveHead(&dis->timers)) != NULL) {
free(timer);
}
}
