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Use memory pool for insertion times.

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This commit is contained in:
Karsten Loesing 2009-08-17 13:27:09 +02:00
parent f37af0180d
commit 799af41157
1 changed files with 16 additions and 5 deletions
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21
src/or/relay.c
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@ -1525,6 +1525,10 @@ static int total_cells_allocated = 0;
/** A memory pool to allocate packed_cell_t objects. */
static mp_pool_t *cell_pool = NULL;
/** Memory pool to allocate insertion_time_elem_t objects used for cell
* statistics. */
static mp_pool_t *it_pool = NULL;
/** Allocate structures to hold cells. */
void
init_cell_pool(void)
@ -1533,7 +1537,8 @@ init_cell_pool(void)
cell_pool = mp_pool_new(sizeof(packed_cell_t), 128*1024);
}
/** Free all storage used to hold cells. */
/** Free all storage used to hold cells (and insertion times if we measure
* cell statistics). */
void
free_cell_pool(void)
{
@ -1542,6 +1547,10 @@ free_cell_pool(void)
mp_pool_destroy(cell_pool);
cell_pool = NULL;
}
if (it_pool) {
mp_pool_destroy(it_pool);
it_pool = NULL;
}
}
/** Free excess storage in cell pool. */
@ -1623,6 +1632,8 @@ cell_queue_append_packed_copy(cell_queue_t *queue, const cell_t *cell)
uint32_t added;
insertion_time_queue_t *it_queue = queue->insertion_times;
int add_new_elem = 0;
if (!it_pool)
it_pool = mp_pool_new(sizeof(insertion_time_elem_t), 1024);
tor_gettimeofday(&now);
#define SECONDS_IN_A_DAY 86400L
added = (now.tv_sec % SECONDS_IN_A_DAY) * 100L + now.tv_usec / 10000L;
@ -1639,8 +1650,8 @@ cell_queue_append_packed_copy(cell_queue_t *queue, const cell_t *cell)
add_new_elem = 1;
}
if (add_new_elem) {
insertion_time_elem_t *elem =
tor_malloc_zero(sizeof(insertion_time_elem_t));
insertion_time_elem_t *elem = mp_pool_get(it_pool);
elem->next = NULL;
elem->insertion_time = added;
elem->counter = 1;
if (it_queue->last) {
@ -1671,7 +1682,7 @@ cell_queue_clear(cell_queue_t *queue)
while (queue->insertion_times->first) {
insertion_time_elem_t *elem = queue->insertion_times->first;
queue->insertion_times->first = elem->next;
tor_free(elem);
mp_pool_release(elem);
}
queue->insertion_times = NULL;
}
@ -1890,7 +1901,7 @@ connection_or_flush_from_first_active_circuit(or_connection_t *conn, int max,
it_queue->first = elem->next;
if (elem == it_queue->last)
it_queue->last = NULL;
tor_free(elem);
mp_pool_release(elem);
}
orcirc->total_cell_waiting_time += cell_waiting_time;
orcirc->processed_cells++;