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authorFlorin Coras <fcoras@cisco.com>2018-11-26 17:01:36 -0800
committerDamjan Marion <dmarion@me.com>2018-11-29 11:27:18 +0000
commit47c40e2d944c9a29677d0542103207ba8372b66a (patch)
treee43cf5361213d119df53fb16c15cf0dca550f2d4 /src/vcl/vcl_bapi.c
parent743ee3e12531ec3c6ba2e2add694dde3361b0e03 (diff)
vcl: basic support for apps that fork
- intercept fork and register a new worker with vpp - share sessions between parent and forked child - keep binary api state per worker Change-Id: Ib177517d661724fa042bd2d98d18e777056352a2 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vcl/vcl_bapi.c')
-rw-r--r--src/vcl/vcl_bapi.c46
1 files changed, 26 insertions, 20 deletions
diff --git a/src/vcl/vcl_bapi.c b/src/vcl/vcl_bapi.c
index cc494ed3b6d..93ba0ab6c4d 100644
--- a/src/vcl/vcl_bapi.c
+++ b/src/vcl/vcl_bapi.c
@@ -354,20 +354,22 @@ vppcom_api_hookup (void)
void
vppcom_send_session_enable_disable (u8 is_enable)
{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
vl_api_session_enable_disable_t *bmp;
bmp = vl_msg_api_alloc (sizeof (*bmp));
memset (bmp, 0, sizeof (*bmp));
bmp->_vl_msg_id = ntohs (VL_API_SESSION_ENABLE_DISABLE);
- bmp->client_index = vcm->my_client_index;
+ bmp->client_index = wrk->my_client_index;
bmp->context = htonl (0xfeedface);
bmp->is_enable = is_enable;
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
+ vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & bmp);
}
void
vppcom_app_send_attach (void)
{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
vl_api_application_attach_t *bmp;
u8 nsid_len = vec_len (vcm->cfg.namespace_id);
u8 app_is_proxy = (vcm->cfg.app_proxy_transport_tcp ||
@@ -377,7 +379,7 @@ vppcom_app_send_attach (void)
memset (bmp, 0, sizeof (*bmp));
bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
- bmp->client_index = vcm->my_client_index;
+ bmp->client_index = wrk->my_client_index;
bmp->context = htonl (0xfeedface);
bmp->options[APP_OPTIONS_FLAGS] =
APP_OPTIONS_FLAGS_ACCEPT_REDIRECT | APP_OPTIONS_FLAGS_ADD_SEGMENT |
@@ -402,20 +404,21 @@ vppcom_app_send_attach (void)
clib_memcpy_fast (bmp->namespace_id, vcm->cfg.namespace_id, nsid_len);
bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = vcm->cfg.namespace_secret;
}
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
+ vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & bmp);
}
void
vppcom_app_send_detach (void)
{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
vl_api_application_detach_t *bmp;
bmp = vl_msg_api_alloc (sizeof (*bmp));
memset (bmp, 0, sizeof (*bmp));
bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
- bmp->client_index = vcm->my_client_index;
+ bmp->client_index = wrk->my_client_index;
bmp->context = htonl (0xfeedface);
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
+ vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & bmp);
}
void
@@ -429,14 +432,14 @@ vcl_send_app_worker_add_del (u8 is_add)
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_APP_WORKER_ADD_DEL);
- mp->client_index = vcm->my_client_index;
+ mp->client_index = wrk->my_client_index;
mp->app_index = clib_host_to_net_u32 (vcm->app_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);
+ vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & mp);
}
void
@@ -448,7 +451,7 @@ vppcom_send_connect_sock (vcl_session_t * session)
cmp = vl_msg_api_alloc (sizeof (*cmp));
memset (cmp, 0, sizeof (*cmp));
cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK);
- cmp->client_index = vcm->my_client_index;
+ cmp->client_index = wrk->my_client_index;
cmp->context = session->session_index;
cmp->wrk_index = wrk->vpp_wrk_index;
cmp->is_ip4 = session->transport.is_ip4;
@@ -456,20 +459,21 @@ vppcom_send_connect_sock (vcl_session_t * session)
cmp->port = session->transport.rmt_port;
cmp->proto = session->session_type;
clib_memcpy_fast (cmp->options, session->options, sizeof (cmp->options));
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & cmp);
+ vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & cmp);
}
void
vppcom_send_disconnect_session (u64 vpp_handle)
{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
vl_api_disconnect_session_t *dmp;
dmp = vl_msg_api_alloc (sizeof (*dmp));
memset (dmp, 0, sizeof (*dmp));
dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
- dmp->client_index = vcm->my_client_index;
+ dmp->client_index = wrk->my_client_index;
dmp->handle = vpp_handle;
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & dmp);
+ vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & dmp);
}
/* VPP combines bind and listen as one operation. VCL manages the separation
@@ -486,7 +490,7 @@ vppcom_send_bind_sock (vcl_session_t * session)
memset (bmp, 0, sizeof (*bmp));
bmp->_vl_msg_id = ntohs (VL_API_BIND_SOCK);
- bmp->client_index = vcm->my_client_index;
+ bmp->client_index = wrk->my_client_index;
bmp->context = session->session_index;
bmp->wrk_index = wrk->vpp_wrk_index;
bmp->is_ip4 = session->transport.is_ip4;
@@ -494,7 +498,7 @@ vppcom_send_bind_sock (vcl_session_t * session)
bmp->port = session->transport.lcl_port;
bmp->proto = session->session_type;
clib_memcpy_fast (bmp->options, session->options, sizeof (bmp->options));
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
+ vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & bmp);
}
void
@@ -507,15 +511,16 @@ vppcom_send_unbind_sock (u64 vpp_handle)
memset (ump, 0, sizeof (*ump));
ump->_vl_msg_id = ntohs (VL_API_UNBIND_SOCK);
- ump->client_index = vcm->my_client_index;
+ ump->client_index = wrk->my_client_index;
ump->wrk_index = wrk->vpp_wrk_index;
ump->handle = vpp_handle;
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & ump);
+ vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & ump);
}
void
vppcom_send_accept_session_reply (u64 handle, u32 context, int retval)
{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
vl_api_accept_session_reply_t *rmp;
rmp = vl_msg_api_alloc (sizeof (*rmp));
@@ -524,7 +529,7 @@ vppcom_send_accept_session_reply (u64 handle, u32 context, int retval)
rmp->retval = htonl (retval);
rmp->context = context;
rmp->handle = handle;
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
+ vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & rmp);
}
u32
@@ -549,6 +554,7 @@ vppcom_init_error_string_table (void)
int
vppcom_connect_to_vpp (char *app_name)
{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
api_main_t *am = &api_main;
vppcom_cfg_t *vcl_cfg = &vcm->cfg;
@@ -584,9 +590,9 @@ vppcom_connect_to_vpp (char *app_name)
}
- vcm->vl_input_queue = am->shmem_hdr->vl_input_queue;
- vcm->my_client_index = (u32) am->my_client_index;
- vcm->app_state = STATE_APP_CONN_VPP;
+ wrk->vl_input_queue = am->shmem_hdr->vl_input_queue;
+ wrk->my_client_index = (u32) am->my_client_index;
+ wrk->wrk_state = STATE_APP_CONN_VPP;
VDBG (0, "app (%s) is connected to VPP!", app_name);
vcl_evt (VCL_EVT_INIT, vcm);