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authorFlorin Coras <fcoras@cisco.com>2019-08-21 16:20:44 -0700
committerFlorin Coras <florin.coras@gmail.com>2019-08-27 18:21:39 +0000
commit458089bbad9cf5bef6cf8119f23fc44e66b36ad3 (patch)
tree4ee7da1148172ca6f8a878746c8bd48c1e2dc95e /src/vcl/vppcom.c
parent7adaa226eaa2401d6bb0dfd38a0d943c9645d7dc (diff)
session: move ctrl messages from bapi to mq
Type:refactor Moves connect, disconnect, bind, unbind and app detach to message queue from binary api. Simplifies app/vcl interaction with the session layer since all session control messages are now handled over the mq. Add/del segment messages require internal C api changes which affect all builtin applications. They'll be moved in a different patch and might not be back portable to 19.08. Change-Id: I93f6d18e551b024effa75d47f5ff25f23ba8aff5 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vcl/vppcom.c')
-rw-r--r--src/vcl/vppcom.c124
1 files changed, 106 insertions, 18 deletions
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index 0060922fea6..f56c02b6d9d 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -197,6 +197,98 @@ format_ip46_address (u8 * s, va_list * args)
* VPPCOM Utility Functions
*/
+static void
+vcl_send_session_listen (vcl_worker_t * wrk, vcl_session_t * s)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_listen_msg_t *mp;
+ svm_msg_q_t *mq;
+
+ mq = vcl_worker_ctrl_mq (wrk);
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_LISTEN);
+ mp = (session_listen_msg_t *) app_evt->evt->data;
+ memset (mp, 0, sizeof (*mp));
+ mp->client_index = wrk->my_client_index;
+ mp->context = s->session_index;
+ mp->wrk_index = wrk->vpp_wrk_index;
+ mp->is_ip4 = s->transport.is_ip4;
+ clib_memcpy_fast (&mp->ip, &s->transport.lcl_ip, sizeof (mp->ip));
+ mp->port = s->transport.lcl_port;
+ mp->proto = s->session_type;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+}
+
+static void
+vcl_send_session_connect (vcl_worker_t * wrk, vcl_session_t * s)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_connect_msg_t *mp;
+ svm_msg_q_t *mq;
+
+ mq = vcl_worker_ctrl_mq (wrk);
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_CONNECT);
+ mp = (session_connect_msg_t *) app_evt->evt->data;
+ memset (mp, 0, sizeof (*mp));
+ mp->client_index = wrk->my_client_index;
+ mp->context = s->session_index;
+ mp->wrk_index = wrk->vpp_wrk_index;
+ mp->is_ip4 = s->transport.is_ip4;
+ mp->parent_handle = s->parent_handle;
+ clib_memcpy_fast (&mp->ip, &s->transport.rmt_ip, sizeof (mp->ip));
+ mp->port = s->transport.rmt_port;
+ mp->proto = s->session_type;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+}
+
+void
+vcl_send_session_unlisten (vcl_worker_t * wrk, vcl_session_t * s)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_unlisten_msg_t *mp;
+ svm_msg_q_t *mq;
+
+ mq = vcl_worker_ctrl_mq (wrk);
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_UNLISTEN);
+ mp = (session_unlisten_msg_t *) app_evt->evt->data;
+ memset (mp, 0, sizeof (*mp));
+ mp->client_index = wrk->my_client_index;
+ mp->wrk_index = wrk->vpp_wrk_index;
+ mp->handle = s->vpp_handle;
+ mp->context = wrk->wrk_index;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+}
+
+static void
+vcl_send_session_disconnect (vcl_worker_t * wrk, vcl_session_t * s)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_disconnect_msg_t *mp;
+ svm_msg_q_t *mq;
+
+ /* Send to thread that owns the session */
+ mq = s->vpp_evt_q;
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_DISCONNECT);
+ mp = (session_disconnect_msg_t *) app_evt->evt->data;
+ memset (mp, 0, sizeof (*mp));
+ mp->client_index = wrk->my_client_index;
+ mp->handle = s->vpp_handle;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+}
+
+static void
+vcl_send_app_detach (vcl_worker_t * wrk)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_app_detach_msg_t *mp;
+ svm_msg_q_t *mq;
+
+ mq = vcl_worker_ctrl_mq (wrk);
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_APP_DETACH);
+ mp = (session_app_detach_msg_t *) app_evt->evt->data;
+ memset (mp, 0, sizeof (*mp));
+ mp->client_index = wrk->my_client_index;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+}
static void
vcl_send_session_accepted_reply (svm_msg_q_t * mq, u32 context,
@@ -827,7 +919,6 @@ vppcom_session_unbind (u32 session_handle)
session_accepted_msg_t *accepted_msg;
vcl_session_t *session = 0;
vcl_session_msg_t *evt;
- u64 vpp_handle;
session = vcl_session_get_w_handle (wrk, session_handle);
if (!session)
@@ -845,14 +936,14 @@ vppcom_session_unbind (u32 session_handle)
}
clib_fifo_free (session->accept_evts_fifo);
- vpp_handle = session->vpp_handle;
- session->vpp_handle = ~0;
- session->session_state = STATE_DISCONNECT;
+ vcl_send_session_unlisten (wrk, session);
VDBG (1, "session %u [0x%llx]: sending unbind!", session->session_index,
- vpp_handle);
+ session->vpp_handle);
vcl_evt (VCL_EVT_UNBIND, session);
- vppcom_send_unbind_sock (wrk, vpp_handle);
+
+ session->vpp_handle = ~0;
+ session->session_state = STATE_DISCONNECT;
return VPPCOM_OK;
}
@@ -894,7 +985,7 @@ vppcom_session_disconnect (u32 session_handle)
{
VDBG (1, "session %u [0x%llx]: sending disconnect...",
session->session_index, vpp_handle);
- vppcom_send_disconnect_session (vpp_handle);
+ vcl_send_session_disconnect (wrk, session);
}
if (session->listener_index != VCL_INVALID_SESSION_INDEX)
@@ -1005,7 +1096,7 @@ vppcom_app_destroy (void)
if (pool_elts (vcm->workers) == 1)
{
- vppcom_app_send_detach ();
+ vcl_send_app_detach (vcl_worker_get_current ());
orig_app_timeout = vcm->cfg.app_timeout;
vcm->cfg.app_timeout = 2.0;
rv = vcl_wait_for_app_state_change (STATE_APP_ENABLED);
@@ -1220,7 +1311,7 @@ vppcom_session_listen (uint32_t listen_sh, uint32_t q_len)
/*
* Send listen request to vpp and wait for reply
*/
- vppcom_send_bind_sock (listen_session);
+ vcl_send_session_listen (wrk, listen_session);
rv = vppcom_wait_for_session_state_change (listen_session->session_index,
STATE_LISTEN,
vcm->cfg.session_timeout);
@@ -1256,7 +1347,8 @@ vppcom_session_tls_add_cert (uint32_t session_handle, char *cert,
* Send listen request to vpp and wait for reply
*/
vppcom_send_application_tls_cert_add (session, cert, cert_len);
-
+ vcm->app_state = STATE_APP_ADDING_TLS_DATA;
+ vcl_wait_for_app_state_change (STATE_APP_READY);
return VPPCOM_OK;
}
@@ -1276,14 +1368,10 @@ vppcom_session_tls_add_key (uint32_t session_handle, char *key,
if (key_len == 0 || key_len == ~0)
return VPPCOM_EBADFD;
- /*
- * Send listen request to vpp and wait for reply
- */
vppcom_send_application_tls_key_add (session, key, key_len);
-
+ vcm->app_state = STATE_APP_ADDING_TLS_DATA;
+ vcl_wait_for_app_state_change (STATE_APP_READY);
return VPPCOM_OK;
-
-
}
static int
@@ -1505,7 +1593,7 @@ vppcom_session_connect (uint32_t session_handle, vppcom_endpt_t * server_ep)
/*
* Send connect request and wait for reply from vpp
*/
- vppcom_send_connect_sock (session);
+ vcl_send_session_connect (wrk, session);
rv = vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
vcm->cfg.session_timeout);
@@ -1564,7 +1652,7 @@ vppcom_session_stream_connect (uint32_t session_handle,
/*
* Send connect request and wait for reply from vpp
*/
- vppcom_send_connect_sock (session);
+ vcl_send_session_connect (wrk, session);
rv = vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
vcm->cfg.session_timeout);