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authorFlorin Coras <fcoras@cisco.com>2018-08-28 11:32:04 -0700
committerDamjan Marion <dmarion@me.com>2018-08-30 21:01:45 +0000
commit134a996a0279577080b626d5172c1739efa00b92 (patch)
tree4e2bcc3c36ba5aa410622ac0de709f4ea8843e25 /src/vcl/vcl_bapi.c
parentac5554c960a8679f56b62effeec31671e04a13cb (diff)
vcl: add support for multi-worker apps
Add basic support for app registration of multiple workers. LDP does not work with multi-worker apps. Change-Id: I3fc421a2a591a077b275827463f874b261415a63 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vcl/vcl_bapi.c')
-rw-r--r--src/vcl/vcl_bapi.c114
1 files changed, 99 insertions, 15 deletions
diff --git a/src/vcl/vcl_bapi.c b/src/vcl/vcl_bapi.c
index d9e8e7e046c..44e6d9d1d04 100644
--- a/src/vcl/vcl_bapi.c
+++ b/src/vcl/vcl_bapi.c
@@ -87,6 +87,7 @@ static void
vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
mp)
{
+ vcl_worker_t *wrk = vcl_worker_get (0);
u32 n_fds = 0;
int *fds = 0;
@@ -97,7 +98,7 @@ vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
return;
}
- vcm->app_event_queue = uword_to_pointer (mp->app_event_queue_address,
+ wrk->app_event_queue = uword_to_pointer (mp->app_event_queue_address,
svm_msg_q_t *);
if (mp->n_fds)
{
@@ -116,10 +117,8 @@ vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD)
{
- svm_msg_q_set_consumer_eventfd (vcm->app_event_queue, fds[n_fds]);
- if (vcm->mqs_epfd < 0)
- clib_unix_warning ("epoll_create() returned");
- vcl_mq_epoll_add_evfd (vcm->app_event_queue);
+ svm_msg_q_set_consumer_eventfd (wrk->app_event_queue, fds[n_fds]);
+ vcl_mq_epoll_add_evfd (wrk, wrk->app_event_queue);
n_fds++;
}
@@ -136,6 +135,68 @@ vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
}
static void
+vl_api_app_worker_add_del_reply_t_handler (vl_api_app_worker_add_del_reply_t *
+ mp)
+{
+ vcl_worker_t *wrk;
+ int n_fds = 0;
+ int *fds = 0;
+
+ if (mp->retval)
+ {
+ clib_warning ("VCL<%d>: add/del worker failed: %U", getpid (),
+ format_api_error, ntohl (mp->retval));
+ goto failed;
+ }
+ ASSERT (mp->context == mp->wrk_index);
+ if (mp->context != mp->wrk_index)
+ {
+ clib_warning ("VCL<%d>: wrk numbering doesn't match ours: %u, vpp: %u",
+ getpid (), mp->context, mp->wrk_index);
+ goto failed;
+ }
+ wrk = vcl_worker_get (mp->context);
+ wrk->app_event_queue = uword_to_pointer (mp->app_event_queue_address,
+ svm_msg_q_t *);
+
+ if (mp->n_fds)
+ {
+ vec_validate (fds, mp->n_fds);
+ vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5);
+
+ if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT)
+ if (ssvm_segment_attach ("vpp-worker-seg", SSVM_SEGMENT_MEMFD,
+ fds[n_fds++]))
+ goto failed;
+
+ if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
+ if (ssvm_segment_attach ((char *) mp->segment_name,
+ SSVM_SEGMENT_MEMFD, fds[n_fds++]))
+ goto failed;
+
+ if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD)
+ {
+ svm_msg_q_set_consumer_eventfd (wrk->app_event_queue, fds[n_fds]);
+ vcl_mq_epoll_add_evfd (wrk, wrk->app_event_queue);
+ n_fds++;
+ }
+
+ vec_free (fds);
+ }
+ else
+ {
+ if (ssvm_segment_attach ((char *) mp->segment_name, SSVM_SEGMENT_SHM,
+ -1))
+ goto failed;
+ }
+ vcm->app_state = STATE_APP_READY;
+ return;
+
+failed:
+ vcm->app_state = STATE_APP_FAILED;
+}
+
+static void
vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
mp)
{
@@ -191,6 +252,7 @@ static void
{
vcl_cut_through_registration_t *ctr;
u32 mqc_index = ~0;
+ vcl_worker_t *wrk;
int *fds = 0;
if (mp->n_fds)
@@ -200,22 +262,23 @@ static void
vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5);
}
- ctr = vcl_ct_registration_lock_and_alloc ();
+ wrk = vcl_worker_get (mp->wrk_index);
+ ctr = vcl_ct_registration_lock_and_alloc (wrk);
ctr->mq = uword_to_pointer (mp->evt_q_address, svm_msg_q_t *);
ctr->peer_mq = uword_to_pointer (mp->peer_evt_q_address, svm_msg_q_t *);
- VDBG (0, "Adding ct registration %u", vcl_ct_registration_index (ctr));
+ VDBG (0, "Adding ct registration %u", vcl_ct_registration_index (wrk, ctr));
if (mp->n_fds && (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD))
{
svm_msg_q_set_consumer_eventfd (ctr->mq, fds[0]);
svm_msg_q_set_producer_eventfd (ctr->peer_mq, fds[1]);
- mqc_index = vcl_mq_epoll_add_evfd (ctr->mq);
+ mqc_index = vcl_mq_epoll_add_evfd (wrk, ctr->mq);
ctr->epoll_evt_conn_index = mqc_index;
vec_free (fds);
}
- vcl_ct_registration_lookup_add (mp->evt_q_address,
- vcl_ct_registration_index (ctr));
- vcl_ct_registration_unlock ();
+ vcl_ct_registration_lookup_add (wrk, mp->evt_q_address,
+ vcl_ct_registration_index (wrk, ctr));
+ vcl_ct_registration_unlock (wrk);
}
static void
@@ -247,6 +310,7 @@ _(APPLICATION_DETACH_REPLY, application_detach_reply) \
_(MAP_ANOTHER_SEGMENT, map_another_segment) \
_(UNMAP_SEGMENT, unmap_segment) \
_(APP_CUT_THROUGH_REGISTRATION_ADD, app_cut_through_registration_add) \
+_(APP_WORKER_ADD_DEL_REPLY, app_worker_add_del_reply) \
void
vppcom_api_hookup (void)
@@ -333,7 +397,27 @@ vppcom_app_send_detach (void)
}
void
-vppcom_send_connect_sock (vcl_session_t * session, u32 session_index)
+vcl_send_app_worker_add_del (u8 is_add)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vl_api_app_worker_add_del_t *mp;
+ u32 wrk_index = wrk->wrk_index;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+
+ mp->_vl_msg_id = ntohs (VL_API_APP_WORKER_ADD_DEL);
+ mp->client_index = vcm->my_client_index;
+ mp->context = wrk_index;
+ mp->is_add = is_add;
+ if (!is_add)
+ mp->wrk_index = clib_host_to_net_u32 (wrk_index);
+
+ vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & mp);
+}
+
+void
+vppcom_send_connect_sock (vcl_session_t * session)
{
vl_api_connect_sock_t *cmp;
@@ -342,7 +426,7 @@ vppcom_send_connect_sock (vcl_session_t * session, u32 session_index)
memset (cmp, 0, sizeof (*cmp));
cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK);
cmp->client_index = vcm->my_client_index;
- cmp->context = session_index;
+ cmp->context = session->session_index;
cmp->is_ip4 = session->transport.is_ip4;
clib_memcpy (cmp->ip, &session->transport.rmt_ip, sizeof (cmp->ip));
@@ -372,7 +456,7 @@ vppcom_send_disconnect_session (u64 vpp_handle, u32 session_index)
* of bind and listen locally via vppcom_session_bind() and
* vppcom_session_listen() */
void
-vppcom_send_bind_sock (vcl_session_t * session, u32 session_index)
+vppcom_send_bind_sock (vcl_session_t * session)
{
vl_api_bind_sock_t *bmp;
@@ -382,7 +466,7 @@ vppcom_send_bind_sock (vcl_session_t * session, u32 session_index)
bmp->_vl_msg_id = ntohs (VL_API_BIND_SOCK);
bmp->client_index = vcm->my_client_index;
- bmp->context = session_index;
+ bmp->context = session->session_index;
bmp->is_ip4 = session->transport.is_ip4;
clib_memcpy (bmp->ip, &session->transport.lcl_ip, sizeof (bmp->ip));
bmp->port = session->transport.lcl_port;