+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
+cleanup_handler (session_cleanup_msg_t * mp)
+{
+ ECHO_LOG (1, "Cleanup confirmed for 0x%lx", mp->handle);
+}
+