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authorFlorin Coras <fcoras@cisco.com>2019-08-24 18:17:34 -0700
committerFlorin Coras <florin.coras@gmail.com>2019-12-21 18:50:12 +0000
commitc4c4cf5066fbdceebd62a8819e3ecd0fc879f05d (patch)
tree2bd208ee7edb7e49440397b2fd44f3515c4e817d /src/plugins/hs_apps/sapi/vpp_echo.c
parentd849edf3841c1c9774c5ce209a2b903415f2370a (diff)
session: move add/del segment msg to mq
Type: refactor Change-Id: I32234173ebd69f80acb1afa4039fffbd19157f6d Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/plugins/hs_apps/sapi/vpp_echo.c')
-rw-r--r--src/plugins/hs_apps/sapi/vpp_echo.c85
1 files changed, 83 insertions, 2 deletions
diff --git a/src/plugins/hs_apps/sapi/vpp_echo.c b/src/plugins/hs_apps/sapi/vpp_echo.c
index 84089c6b512..0550006f949 100644
--- a/src/plugins/hs_apps/sapi/vpp_echo.c
+++ b/src/plugins/hs_apps/sapi/vpp_echo.c
@@ -531,6 +531,21 @@ session_bound_handler (session_bound_msg_t * mp)
em->proto_cb_vft->bound_uri_cb (mp, listen_session);
}
+static int
+echo_segment_is_not_mapped (u64 segment_handle)
+{
+ echo_main_t *em = &echo_main;
+ uword *segment_present;
+ ECHO_LOG (3, "Check if segment mapped 0x%lx...", segment_handle);
+ clib_spinlock_lock (&em->segment_handles_lock);
+ segment_present = hash_get (em->shared_segment_handles, segment_handle);
+ clib_spinlock_unlock (&em->segment_handles_lock);
+ if (segment_present != 0)
+ return 0;
+ ECHO_LOG (2, "Segment not mapped (0x%lx)", segment_handle);
+ return -1;
+}
+
static void
session_accepted_handler (session_accepted_msg_t * mp)
{
@@ -546,7 +561,7 @@ session_accepted_handler (session_accepted_msg_t * mp)
"Unknown listener handle 0x%lx", mp->listener_handle);
return;
}
- if (wait_for_segment_allocation (mp->segment_handle))
+ if (echo_segment_is_not_mapped (mp->segment_handle))
{
ECHO_FAIL (ECHO_FAIL_ACCEPTED_WAIT_FOR_SEG_ALLOC,
"accepted wait_for_segment_allocation errored");
@@ -615,7 +630,7 @@ session_connected_handler (session_connected_msg_t * mp)
}
session = echo_session_new (em);
- if (wait_for_segment_allocation (mp->segment_handle))
+ if (echo_segment_is_not_mapped (mp->segment_handle))
{
ECHO_FAIL (ECHO_FAIL_CONNECTED_WAIT_FOR_SEG_ALLOC,
"connected wait_for_segment_allocation errored");
@@ -709,6 +724,66 @@ session_reset_handler (session_reset_msg_t * mp)
}
static void
+add_segment_handler (session_app_add_segment_msg_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 = 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 (echo_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 (2, "Mapped segment 0x%lx", segment_handle);
+ return;
+
+failed:
+ for (i = 0; i < vec_len (fds); i++)
+ close (fds[i]);
+ vec_free (fds);
+}
+
+static void
+del_segment_handler (session_app_del_segment_msg_t * mp)
+{
+ echo_main_t *em = &echo_main;
+ echo_segment_handle_add_del (em, mp->segment_handle, 0 /* add */ );
+ ECHO_LOG (2, "Unmaped segment 0x%lx", mp->segment_handle);
+}
+
+static void
handle_mq_event (session_event_t * e)
{
switch (e->event_type)
@@ -727,6 +802,12 @@ handle_mq_event (session_event_t * e)
case SESSION_CTRL_EVT_UNLISTEN_REPLY:
return session_unlisten_handler ((session_unlisten_reply_msg_t *)
e->data);
+ case SESSION_CTRL_EVT_APP_ADD_SEGMENT:
+ add_segment_handler ((session_app_add_segment_msg_t *) e->data);
+ break;
+ case SESSION_CTRL_EVT_APP_DEL_SEGMENT:
+ del_segment_handler ((session_app_del_segment_msg_t *) e->data);
+ break;
case SESSION_IO_EVT_RX:
break;
default: