/*
* Flush all TTY queues.
* Called at spltty, tty already locked.
* Calls device STOP routine; must already be on master if
* device needs to run on master.
*/
void tty_flush(
register struct tty *tp,
int rw)
{
if (rw & D_READ) {
cb_clear(&tp->t_inq);
tty_queue_completion(&tp->t_delayed_read);
}
if (rw & D_WRITE) {
tp->t_state &= ~TS_TTSTOP;
(*tp->t_stop)(tp, rw);
cb_clear(&tp->t_outq);
tty_queue_completion(&tp->t_delayed_write);
}
}
static int remove_oldest_chunk(struct chunk_buffer *cb, int id, uint64_t ts)
{
int i, min, pos_min;
if (cb->buffer[0].id == id) {
return E_CB_DUPLICATE;
}
min = cb->buffer[0].id; pos_min = 0;
for (i = 1; i < cb->num_chunks; i++) {
if (cb->buffer[i].id == id) {
return E_CB_DUPLICATE;
}
if (cb->buffer[i].id < min) {
min = cb->buffer[i].id;
pos_min = i;
}
}
if (min < id) {
chunk_free(&cb->buffer[pos_min]);
cb->num_chunks--;
return pos_min;
}
// check for ID looparound and other anomalies
if (cb->buffer[pos_min].timestamp < ts) {
cb_clear(cb);
return 0;
}
return E_CB_OLD;
}
wi_status wi_parse_plist(wi_t self, const char *from_buf, size_t length,
plist_t *to_rpc_dict, bool *to_is_partial) {
wi_private_t my = self->private_state;
*to_is_partial = false;
*to_rpc_dict = NULL;
if (my->is_sim) {
plist_from_bin(from_buf, length, to_rpc_dict);
} else {
plist_t wi_dict = NULL;
plist_from_bin(from_buf, length, &wi_dict);
if (!wi_dict) {
return WI_ERROR;
}
plist_t wi_rpc = plist_dict_get_item(wi_dict, "WIRFinalMessageKey");
if (!wi_rpc) {
wi_rpc = plist_dict_get_item(wi_dict, "WIRPartialMessageKey");
if (!wi_rpc) {
return WI_ERROR;
}
*to_is_partial = true;
}
uint64_t rpc_len = 0;
char *rpc_bin = NULL;
plist_get_data_val(wi_rpc, &rpc_bin, &rpc_len);
plist_free(wi_dict); // also frees wi_rpc
if (!rpc_bin) {
return WI_ERROR;
}
// assert rpc_len < MAX_RPC_LEN?
size_t p_length = my->partial->tail - my->partial->head;
if (*to_is_partial || p_length) {
if (cb_ensure_capacity(my->partial, rpc_len)) {
return self->on_error(self, "Out of memory");
}
memcpy(my->partial->tail, rpc_bin, rpc_len);
my->partial->tail += rpc_len;
p_length += rpc_len;
free(rpc_bin);
if (*to_is_partial) {
return WI_SUCCESS;
}
}
if (p_length) {
plist_from_bin(my->partial->head, (uint32_t)p_length, to_rpc_dict);
cb_clear(my->partial);
} else {
plist_from_bin(rpc_bin, (uint32_t)rpc_len, to_rpc_dict);
free(rpc_bin);
}
}
return (*to_rpc_dict ? WI_SUCCESS : WI_ERROR);
}
CircularBuffer* cb_create(size_t singleEntrySize, uint8_t bufferSize)
{
CircularBuffer* circularBuffer = (CircularBuffer*) malloc(sizeof(CircularBuffer));
circularBuffer->data = malloc(singleEntrySize * bufferSize);
circularBuffer->loaded = malloc(sizeof(bool) * bufferSize);
circularBuffer->singleEntrySize = singleEntrySize;
circularBuffer->bufferSize = bufferSize;
circularBuffer->bufferCenterPos = 0;
circularBuffer->centerIndex = 0;
cb_clear(circularBuffer);
return circularBuffer;
}
void free_shiptypes(void) {
cb_clear(&cb_shiptypes);
selist_foreach(shiptypes, free_shiptype);
selist_free(shiptypes);
shiptypes = 0;
}
static void free_functions(void)
{
cb_clear(&functions);
functions.root = 0;
}
void cb_destroy(struct chunk_buffer *cb)
{
cb_clear(cb);
free(cb->buffer);
free(cb);
}
void free_attribs(void) {
cb_clear(&cb_deprecated);
}
void stats_close(void) {
cb_clear(&stats);
}