From fd542f1085d3a06066168c2d38e7f328b5b26ee3 Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Wed, 16 May 2018 19:28:24 -0700 Subject: session: add session process node Add a session process node that handles main thread tx and retransmit in order to avoid having a polling input node. Change-Id: I3357e987c023a84b533b32793e37ab4204420f64 Signed-off-by: Florin Coras --- src/vnet/session/session_node.c | 45 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) (limited to 'src/vnet/session/session_node.c') diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c index 07cca6d46e7..46fc4dc8745 100644 --- a/src/vnet/session/session_node.c +++ b/src/vnet/session/session_node.c @@ -869,6 +869,51 @@ session_queue_exit (vlib_main_t * vm) VLIB_MAIN_LOOP_EXIT_FUNCTION (session_queue_exit); +static uword +session_queue_process (vlib_main_t * vm, vlib_node_runtime_t * rt, + vlib_frame_t * f) +{ + f64 now, timeout = 1.0; + uword *event_data = 0; + uword event_type; + + while (1) + { + vlib_process_wait_for_event_or_clock (vm, timeout); + now = vlib_time_now (vm); + event_type = vlib_process_get_events (vm, (uword **) & event_data); + + switch (event_type) + { + case SESSION_Q_PROCESS_FLUSH_FRAMES: + /* Flush the frames by updating all transports times */ + transport_update_time (now, 0); + break; + case SESSION_Q_PROCESS_STOP: + timeout = 100000.0; + break; + case ~0: + /* Timed out. Update time for all transports to trigger all + * outstanding retransmits. */ + transport_update_time (now, 0); + break; + } + vec_reset_length (event_data); + } + return 0; +} + +/* *INDENT-OFF* */ +VLIB_REGISTER_NODE (session_queue_process_node) = +{ + .function = session_queue_process, + .type = VLIB_NODE_TYPE_PROCESS, + .name = "session-queue-process", + .state = VLIB_NODE_STATE_DISABLED, +}; +/* *INDENT-ON* */ + + /* * fd.io coding-style-patch-verification: ON * -- cgit 1.2.3-korg