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Emit control port notification for XON/XOFF

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Mike Perry 2022-03-08 23:07:07 +00:00 • committed by David Goulet
parent cf8d9fb1a0
commit f6f7c4e846
1 changed files with 29 additions and 0 deletions
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29
src/core/or/congestion_control_flow.c
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@ -22,6 +22,7 @@
#include "core/or/trace_probes_cc.h"
#include "feature/nodelist/networkstatus.h"
#include "trunnel/flow_control_cells.h"
#include "feature/control/control_events.h"
#include "core/or/connection_st.h"
#include "core/or/cell_st.h"
@ -147,6 +148,13 @@ circuit_send_stream_xoff(edge_connection_t *stream)
if (connection_edge_send_command(stream, RELAY_COMMAND_XOFF,
(char*)payload, (size_t)xoff_size) == 0) {
stream->xoff_sent = true;
/* If this is an entry conn, notify control port */
if (TO_CONN(stream)->type == CONN_TYPE_AP) {
control_event_stream_status(TO_ENTRY_CONN(TO_CONN(stream)),
STREAM_EVENT_XOFF_SENT,
0);
}
}
}
@ -213,6 +221,13 @@ circuit_send_stream_xon(edge_connection_t *stream)
(size_t)xon_size) == 0) {
/* Revert the xoff sent status, so we can send another one if need be */
stream->xoff_sent = false;
/* If it's an entry conn, notify control port */
if (TO_CONN(stream)->type == CONN_TYPE_AP) {
control_event_stream_status(TO_ENTRY_CONN(TO_CONN(stream)),
STREAM_EVENT_XON_SENT,
0);
}
}
}
@ -299,6 +314,13 @@ circuit_process_stream_xoff(edge_connection_t *conn,
connection_stop_reading(TO_CONN(conn));
conn->xoff_received = true;
/* If this is an entry conn, notify control port */
if (TO_CONN(conn)->type == CONN_TYPE_AP) {
control_event_stream_status(TO_ENTRY_CONN(TO_CONN(conn)),
STREAM_EVENT_XOFF_RECV,
0);
}
return retval;
}
@ -403,6 +425,13 @@ circuit_process_stream_xon(edge_connection_t *conn,
connection_start_reading(TO_CONN(conn));
}
/* If this is an entry conn, notify control port */
if (TO_CONN(conn)->type == CONN_TYPE_AP) {
control_event_stream_status(TO_ENTRY_CONN(TO_CONN(conn)),
STREAM_EVENT_XON_RECV,
0);
}
xon_cell_free(xon);
return retval;