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/*
* Copyright (c) 2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <signal.h>
#include <hs_apps/sapi/vpp_echo_common.h>
/*
*
* Binary API Messages
*
*/
void
echo_send_attach (echo_main_t * em)
{
vl_api_application_attach_t *bmp;
vl_api_application_tls_cert_add_t *cert_mp;
vl_api_application_tls_key_add_t *key_mp;
bmp = vl_msg_api_alloc (sizeof (*bmp));
clib_memset (bmp, 0, sizeof (*bmp));
bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
bmp->client_index = em->my_client_index;
bmp->context = ntohl (0xfeedface);
bmp->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_ACCEPT_REDIRECT;
bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_ADD_SEGMENT;
bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = em->prealloc_fifo_pairs;
bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = em->fifo_size;
bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = em->fifo_size;
bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20;
bmp->options[APP_OPTIONS_SEGMENT_SIZE] = 256 << 20;
bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = em->evt_q_size;
if (em->appns_id)
{
bmp->namespace_id_len = vec_len (em->appns_id);
clib_memcpy_fast (bmp->namespace_id, em->appns_id,
bmp->namespace_id_len);
bmp->options[APP_OPTIONS_FLAGS] |= em->appns_flags;
bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = em->appns_secret;
}
vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
cert_mp = vl_msg_api_alloc (sizeof (*cert_mp) + test_srv_crt_rsa_len);
clib_memset (cert_mp, 0, sizeof (*cert_mp));
cert_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_CERT_ADD);
cert_mp->client_index = em->my_client_index;
cert_mp->context = ntohl (0xfeedface);
cert_mp->cert_len = clib_host_to_net_u16 (test_srv_crt_rsa_len);
clib_memcpy_fast (cert_mp->cert, test_srv_crt_rsa, test_srv_crt_rsa_len);
vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cert_mp);
key_mp = vl_msg_api_alloc (sizeof (*key_mp) + test_srv_key_rsa_len);
clib_memset (key_mp, 0, sizeof (*key_mp) + test_srv_key_rsa_len);
key_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_KEY_ADD);
key_mp->client_index = em->my_client_index;
key_mp->context = ntohl (0xfeedface);
key_mp->key_len = clib_host_to_net_u16 (test_srv_key_rsa_len);
clib_memcpy_fast (key_mp->key, test_srv_key_rsa, test_srv_key_rsa_len);
vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & key_mp);
}
void
echo_send_detach (echo_main_t * em)
{
vl_api_application_detach_t *bmp;
bmp = vl_msg_api_alloc (sizeof (*bmp));
clib_memset (bmp, 0, sizeof (*bmp));
bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
bmp->client_index = em->my_client_index;
bmp->context = ntohl (0xfeedface);
vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
}
void
echo_send_listen (echo_main_t * em)
{
vl_api_bind_uri_t *bmp;
bmp = vl_msg_api_alloc (sizeof (*bmp));
clib_memset (bmp, 0, sizeof (*bmp));
bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
bmp->client_index = em->my_client_index;
bmp->context = ntohl (0xfeedface);
memcpy (bmp->uri, em->uri, vec_len (em->uri));
vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
}
void
echo_send_unbind (echo_main_t * em)
{
vl_api_unbind_uri_t *ump;
ump = vl_msg_api_alloc (sizeof (*ump));
clib_memset (ump, 0, sizeof (*ump));
ump->_vl_msg_id = ntohs (VL_API_UNBIND_URI);
ump->client_index = em->my_client_index;
memcpy (ump->uri, em->uri, vec_len (em->uri));
vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & ump);
}
void
echo_send_connect (u8 * uri, u32 opaque)
{
echo_main_t *em = &echo_main;
vl_api_connect_uri_t *cmp;
cmp = vl_msg_api_alloc (sizeof (*cmp));
clib_memset (cmp, 0, sizeof (*cmp));
cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
cmp->client_index = em->my_client_index;
cmp->context = ntohl (opaque);
memcpy (cmp->uri, uri, vec_len (uri));
vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & cmp);
}
void
echo_send_disconnect_session (u64 handle, u32 opaque)
{
echo_main_t *em = &echo_main;
vl_api_disconnect_session_t *dmp;
dmp = vl_msg_api_alloc (sizeof (*dmp));
clib_memset (dmp, 0, sizeof (*dmp));
dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
dmp->client_index = em->my_client_index;
dmp->handle = handle;
ECHO_LOG (1, "Disconnect session 0x%lx", dmp->handle);
vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & dmp);
}
/*
*
* Helpers
*
*/
static int
ssvm_segment_attach (char *name, ssvm_segment_type_t type, int fd)
{
fifo_segment_create_args_t _a, *a = &_a;
fifo_segment_main_t *sm = &echo_main.segment_main;
int rv;
clib_memset (a, 0, sizeof (*a));
a->segment_name = (char *) name;
a->segment_type = type;
if (type == SSVM_SEGMENT_MEMFD)
a->memfd_fd = fd;
if ((rv = fifo_segment_attach (sm, a)))
return rv;
vec_reset_length (a->new_segment_indices);
return 0;
}
static inline void
echo_segment_handle_add_del (echo_main_t * em, u64 segment_handle, u8 add)
{
clib_spinlock_lock (&em->segment_handles_lock);
if (add)
hash_set (em->shared_segment_handles, segment_handle, 1);
else
hash_unset (em->shared_segment_handles, segment_handle);
clib_spinlock_unlock (&em->segment_handles_lock);
}
/*
*
* Binary API callbacks
*
*/
static void
vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
mp)
{
echo_main_t *em = &echo_main;
int *fds = 0, i;
u32 n_fds = 0;
u64 segment_handle;
segment_handle = clib_net_to_host_u64 (mp->segment_handle);
ECHO_LOG (1, "Attached returned app %u", htons (mp->app_index));
if (mp->retval)
{
ECHO_FAIL (ECHO_FAIL_VL_API_APP_ATTACH, "attach failed: %U",
format_api_error, clib_net_to_host_u32 (mp->retval));
return;
}
if (mp->segment_name_length == 0)
{
ECHO_FAIL (ECHO_FAIL_VL_API_MISSING_SEGMENT_NAME,
"segment_name_length zero");
return;
}
ASSERT (mp->app_event_queue_address);
em->our_event_queue = uword_to_pointer (mp->app_event_queue_address,
svm_msg_q_t *);
if (mp->n_fds)
{
vec_validate (fds, mp->n_fds);
if (vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5))
{
ECHO_FAIL (ECHO_FAIL_VL_API_RECV_FD_MSG,
"vl_socket_client_recv_fd_msg failed");
goto failed;
}
if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT)
if (ssvm_segment_attach (0, SSVM_SEGMENT_MEMFD, fds[n_fds++]))
{
ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
"svm_fifo_segment_attach failed on SSVM_SEGMENT_MEMFD");
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++]))
{
ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
"svm_fifo_segment_attach ('%s') "
"failed on SSVM_SEGMENT_MEMFD", mp->segment_name);
goto failed;
}
if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD)
svm_msg_q_set_consumer_eventfd (em->our_event_queue, fds[n_fds++]);
vec_free (fds);
}
else
{
if (ssvm_segment_attach ((char *) mp->segment_name, SSVM_SEGMENT_SHM,
-1))
{
ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
"svm_fifo_segment_attach ('%s') "
"failed on SSVM_SEGMENT_SHM", mp->segment_name);
return;
}
}
echo_segment_handle_add_del (em, segment_handle, 1 /* add */ );
ECHO_LOG (1, "Mapped segment 0x%lx", segment_handle);
em->state = STATE_ATTACHED;
return;
failed:
for (i = clib_max (n_fds - 1, 0); i < vec_len (fds); i++)
close (fds[i]);
vec_free (fds);
}
static void
vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
mp)
{
if (mp->retval)
{
ECHO_FAIL (ECHO_FAIL_VL_API_DETACH_REPLY,
"app detach returned with err: %d", mp->retval);
return;
}
echo_main.state = STATE_DETACHED;
}
static void
vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp)
{
echo_main_t *em = &echo_main;
u64 segment_handle = clib_net_to_host_u64 (mp->segment_handle);
echo_segment_handle_add_del (em, segment_handle, 0 /* add */ );
ECHO_LOG (1, "Unmaped segment 0x%lx", segment_handle);
}
static void
vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
{
fifo_segment_main_t *sm = &echo_main.segment_main;
fifo_segment_create_args_t _a, *a = &_a;
echo_main_t *em = &echo_main;
int *fds = 0, i;
char *seg_name = (char *) mp->segment_name;
u64 segment_handle = clib_net_to_host_u64 (mp->segment_handle);
if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
{
vec_validate (fds, 1);
if (vl_socket_client_recv_fd_msg (fds, 1, 5))
{
ECHO_FAIL (ECHO_FAIL_VL_API_RECV_FD_MSG,
"vl_socket_client_recv_fd_msg failed");
goto failed;
}
if (ssvm_segment_attach (seg_name, SSVM_SEGMENT_MEMFD, fds[0]))
{
ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
"svm_fifo_segment_attach ('%s') "
"failed on SSVM_SEGMENT_MEMFD", seg_name);
goto failed;
}
vec_free (fds);
}
else
{
clib_memset (a, 0, sizeof (*a));
a->segment_name = seg_name;
a->segment_size = mp->segment_size;
/* Attach to the segment vpp created */
if (fifo_segment_attach (sm, a))
{
ECHO_FAIL (ECHO_FAIL_VL_API_FIFO_SEG_ATTACH,
"fifo_segment_attach ('%s') failed", seg_name);
goto failed;
}
}
echo_segment_handle_add_del (em, segment_handle, 1 /* add */ );
ECHO_LOG (1, "Mapped segment 0x%lx", segment_handle);
return;
failed:
for (i = 0; i < vec_len (fds); i++)
close (fds[i]);
vec_free (fds);
}
static void
vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
{
if (mp->retval)
{
ECHO_FAIL (ECHO_FAIL_VL_API_BIND_URI_REPLY, "bind failed: %U",
format_api_error, clib_net_to_host_u32 (mp->retval));
}
}
static void
vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
{
echo_session_t *listen_session;
echo_main_t *em = &echo_main;
if (mp->retval != 0)
{
ECHO_FAIL (ECHO_FAIL_VL_API_UNBIND_REPLY, "unbind_uri returned %d",
ntohl (mp->retval));
return;
}
listen_session = pool_elt_at_index (em->sessions, em->listen_session_index);
em->proto_cb_vft->cleanup_cb (listen_session, 0 /* parent_died */ );
em->state = STATE_DISCONNECTED;
}
static void
vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
mp)
{
echo_main_t *em = &echo_main;
echo_session_t *s;
if (mp->retval)
{
ECHO_FAIL (ECHO_FAIL_VL_API_DISCONNECT_SESSION_REPLY,
"vpp complained about disconnect: %d", ntohl (mp->retval));
return;
}
ECHO_LOG (1, "Got disonnected reply for session 0x%lx", mp->handle);
if (!(s = echo_get_session_from_handle (em, mp->handle)))
return;
em->proto_cb_vft->disconnected_reply_cb (s);
}
static void
vl_api_application_tls_cert_add_reply_t_handler
(vl_api_application_tls_cert_add_reply_t * mp)
{
if (mp->retval)
ECHO_FAIL (ECHO_FAIL_VL_API_TLS_CERT_ADD_REPLY,
"failed to add application tls cert");
}
static void
vl_api_application_tls_key_add_reply_t_handler
(vl_api_application_tls_key_add_reply_t * mp)
{
if (mp->retval)
ECHO_FAIL (ECHO_FAIL_VL_API_TLS_KEY_ADD_REPLY,
"failed to add application tls key");
}
static void
vl_api_connect_uri_reply_t_handler (vl_api_connect_uri_reply_t * mp)
{
echo_main_t *em = &echo_main;
if (mp->retval && (em->proto_cb_vft->connected_cb))
em->proto_cb_vft->connected_cb ((session_connected_bundled_msg_t *) mp,
mp->context, 1 /* is_failed */ );
}
#define foreach_quic_echo_msg \
_(BIND_URI_REPLY, bind_uri_reply) \
_(UNBIND_URI_REPLY, unbind_uri_reply) \
_(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
_(APPLICATION_ATTACH_REPLY, application_attach_reply) \
_(APPLICATION_DETACH_REPLY, application_detach_reply) \
_(MAP_ANOTHER_SEGMENT, map_another_segment) \
_(UNMAP_SEGMENT, unmap_segment) \
_(APPLICATION_TLS_CERT_ADD_REPLY, application_tls_cert_add_reply) \
_(APPLICATION_TLS_KEY_ADD_REPLY, application_tls_key_add_reply) \
_(CONNECT_URI_REPLY, connect_uri_reply) \
void
echo_api_hookup (echo_main_t * em)
{
#define _(N,n) \
vl_msg_api_set_handlers(VL_API_##N, #n, \
vl_api_##n##_t_handler, \
vl_noop_handler, \
vl_api_##n##_t_endian, \
vl_api_##n##_t_print, \
sizeof(vl_api_##n##_t), 1);
foreach_quic_echo_msg;
#undef _
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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