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authorFlorin Coras <fcoras@cisco.com>2019-10-28 13:14:17 -0700
committerDave Barach <openvpp@barachs.net>2020-01-30 18:44:13 +0000
commit9ace36d0f9b04e2d4db410607ee33a8e72ef00c5 (patch)
tree999536085643a801b0087332ebf4421d5322966c /src/vcl/vppcom.c
parent960e58efde0f11d0c1b8783c104c29dee34ee088 (diff)
vcl session: propagate cleanup notifications to apps
Type: feature Change-Id: I7f8e3763d7f8364563a25d0fcc782976b906b325 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vcl/vppcom.c')
-rw-r--r--src/vcl/vppcom.c107
1 files changed, 67 insertions, 40 deletions
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index 4b12062215e..916ddf94f02 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -713,6 +713,24 @@ vcl_session_disconnected_handler (vcl_worker_t * wrk,
}
static void
+vcl_session_cleanup_handler (vcl_worker_t * wrk, void *data)
+{
+ session_cleanup_msg_t *msg;
+ vcl_session_t *session;
+
+ msg = (session_cleanup_msg_t *) data;
+ session = vcl_session_get_w_vpp_handle (wrk, msg->handle);
+ if (!session)
+ {
+ VDBG (0, "disconnect confirmed for unknown handle 0x%llx", msg->handle);
+ return;
+ }
+
+ vcl_session_table_del_vpp_handle (wrk, msg->handle);
+ vcl_session_free (wrk, session);
+}
+
+static void
vcl_session_req_worker_update_handler (vcl_worker_t * wrk, void *data)
{
session_req_worker_update_msg_t *msg;
@@ -845,6 +863,9 @@ vcl_handle_mq_event (vcl_worker_t * wrk, session_event_t * e)
case SESSION_CTRL_EVT_MIGRATED:
vcl_session_migrated_handler (wrk, e->data);
break;
+ case SESSION_CTRL_EVT_CLEANUP:
+ vcl_session_cleanup_handler (wrk, e->data);
+ break;
case SESSION_CTRL_EVT_REQ_WORKER_UPDATE:
vcl_session_req_worker_update_handler (wrk, e->data);
break;
@@ -1244,52 +1265,52 @@ vcl_session_cleanup (vcl_worker_t * wrk, vcl_session_t * session,
next_sh = session->vep.next_sh;
}
+ goto cleanup;
}
- else
+
+ if (session->is_vep_session)
{
- if (session->is_vep_session)
- {
- rv = vppcom_epoll_ctl (vep_sh, EPOLL_CTL_DEL, sh, 0);
- if (rv < 0)
- VDBG (0, "session %u [0x%llx]: EPOLL_CTL_DEL vep_idx %u "
- "failed! rv %d (%s)", session->session_index, vpp_handle,
- vep_sh, rv, vppcom_retval_str (rv));
- }
+ rv = vppcom_epoll_ctl (vep_sh, EPOLL_CTL_DEL, sh, 0);
+ if (rv < 0)
+ VDBG (0, "session %u [0x%llx]: EPOLL_CTL_DEL vep_idx %u "
+ "failed! rv %d (%s)", session->session_index, vpp_handle,
+ vep_sh, rv, vppcom_retval_str (rv));
+ }
- if (!do_disconnect)
- {
- VDBG (1, "session %u [0x%llx] disconnect skipped",
- session->session_index, vpp_handle);
- goto cleanup;
- }
+ if (!do_disconnect)
+ {
+ VDBG (1, "session %u [0x%llx] disconnect skipped",
+ session->session_index, vpp_handle);
+ goto cleanup;
+ }
- if (state & STATE_LISTEN)
- {
- rv = vppcom_session_unbind (sh);
- if (PREDICT_FALSE (rv < 0))
- VDBG (0, "session %u [0x%llx]: listener unbind failed! "
- "rv %d (%s)", session->session_index, vpp_handle, rv,
- vppcom_retval_str (rv));
- return rv;
- }
- else if ((state & STATE_OPEN)
- || (vcl_session_is_connectable_listener (wrk, session)))
- {
- rv = vppcom_session_disconnect (sh);
- if (PREDICT_FALSE (rv < 0))
- VDBG (0, "ERROR: session %u [0x%llx]: disconnect failed!"
- " rv %d (%s)", session->session_index, vpp_handle,
- rv, vppcom_retval_str (rv));
- }
- else if (state == STATE_DISCONNECT)
- {
- svm_msg_q_t *mq = vcl_session_vpp_evt_q (wrk, session);
- vcl_send_session_reset_reply (mq, wrk->my_client_index,
- session->vpp_handle, 0);
- }
+ if (state & STATE_LISTEN)
+ {
+ rv = vppcom_session_unbind (sh);
+ if (PREDICT_FALSE (rv < 0))
+ VDBG (0, "session %u [0x%llx]: listener unbind failed! "
+ "rv %d (%s)", session->session_index, vpp_handle, rv,
+ vppcom_retval_str (rv));
+ return rv;
+ }
+ else if ((state & STATE_OPEN)
+ || (vcl_session_is_connectable_listener (wrk, session)))
+ {
+ rv = vppcom_session_disconnect (sh);
+ if (PREDICT_FALSE (rv < 0))
+ VDBG (0, "ERROR: session %u [0x%llx]: disconnect failed!"
+ " rv %d (%s)", session->session_index, vpp_handle,
+ rv, vppcom_retval_str (rv));
+ }
+ else if (state == STATE_DISCONNECT)
+ {
+ svm_msg_q_t *mq = vcl_session_vpp_evt_q (wrk, session);
+ vcl_send_session_reset_reply (mq, wrk->my_client_index,
+ session->vpp_handle, 0);
}
- VDBG (0, "session %u [0x%llx] removed", session->session_index, vpp_handle);
+ /* Session is removed only after vpp confirms the disconnect */
+ return rv;
cleanup:
vcl_session_table_del_vpp_handle (wrk, vpp_handle);
@@ -2163,6 +2184,9 @@ vcl_select_handle_mq_event (vcl_worker_t * wrk, session_event_t * e,
case SESSION_CTRL_EVT_MIGRATED:
vcl_session_migrated_handler (wrk, e->data);
break;
+ case SESSION_CTRL_EVT_CLEANUP:
+ vcl_session_cleanup_handler (wrk, e->data);
+ break;
case SESSION_CTRL_EVT_WORKER_UPDATE_REPLY:
vcl_session_worker_update_reply_handler (wrk, e->data);
break;
@@ -2774,6 +2798,9 @@ vcl_epoll_wait_handle_mq_event (vcl_worker_t * wrk, session_event_t * e,
case SESSION_CTRL_EVT_MIGRATED:
vcl_session_migrated_handler (wrk, e->data);
break;
+ case SESSION_CTRL_EVT_CLEANUP:
+ vcl_session_cleanup_handler (wrk, e->data);
+ break;
case SESSION_CTRL_EVT_REQ_WORKER_UPDATE:
vcl_session_req_worker_update_handler (wrk, e->data);
break;