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Prop#324: Hook up CC window checks for relay cell packaging

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This commit is contained in:
Mike Perry 2021-06-11 23:53:59 +00:00 committed by David Goulet
parent 31fc7591a1
commit 4d8c6d5701
1 changed files with 7 additions and 3 deletions
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10
src/core/or/relay.c
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@ -97,6 +97,7 @@
#include "feature/nodelist/routerinfo_st.h"
#include "core/or/socks_request_st.h"
#include "core/or/sendme.h"
#include "core/or/congestion_control_common.h"
static edge_connection_t *relay_lookup_conn(circuit_t *circ, cell_t *cell,
cell_direction_t cell_direction,
@ -1574,6 +1575,7 @@ process_sendme_cell(const relay_header_t *rh, const cell_t *cell,
}
/* Stream level SENDME cell. */
// TODO: Turn this off for cc_alg=1,2,3; use XON/XOFF instead
ret = sendme_process_stream_level(conn, circ, rh->length);
if (ret < 0) {
/* Means we need to close the circuit with reason ret. */
@ -2091,6 +2093,7 @@ void
circuit_reset_sendme_randomness(circuit_t *circ)
{
circ->have_sent_sufficiently_random_cell = 0;
// XXX: do we need to change this check for congestion control?
circ->send_randomness_after_n_cells = CIRCWINDOW_INCREMENT / 2 +
crypto_fast_rng_get_uint(get_thread_fast_rng(), CIRCWINDOW_INCREMENT / 2);
}
@ -2350,7 +2353,8 @@ circuit_resume_edge_reading_helper(edge_connection_t *first_conn,
/* How many cells do we have space for? It will be the minimum of
* the number needed to exhaust the package window, and the minimum
* needed to fill the cell queue. */
max_to_package = circ->package_window;
max_to_package = congestion_control_get_package_window(circ, layer_hint);
if (CIRCUIT_IS_ORIGIN(circ)) {
cells_on_queue = circ->n_chan_cells.n;
} else {
@ -2495,7 +2499,7 @@ circuit_consider_stop_edge_reading(circuit_t *circ, crypt_path_t *layer_hint)
or_circuit_t *or_circ = TO_OR_CIRCUIT(circ);
log_debug(domain,"considering circ->package_window %d",
circ->package_window);
if (circ->package_window <= 0) {
if (congestion_control_get_package_window(circ, layer_hint) <= 0) {
log_debug(domain,"yes, not-at-origin. stopped.");
for (conn = or_circ->n_streams; conn; conn=conn->next_stream)
connection_stop_reading(TO_CONN(conn));
@ -2506,7 +2510,7 @@ circuit_consider_stop_edge_reading(circuit_t *circ, crypt_path_t *layer_hint)
/* else, layer hint is defined, use it */
log_debug(domain,"considering layer_hint->package_window %d",
layer_hint->package_window);
if (layer_hint->package_window <= 0) {
if (congestion_control_get_package_window(circ, layer_hint) <= 0) {
log_debug(domain,"yes, at-origin. stopped.");
for (conn = TO_ORIGIN_CIRCUIT(circ)->p_streams; conn;
conn=conn->next_stream) {