+ clib_rwlock_reader_lock (&vcm->segment_table_lock);
+
+ fs = fifo_segment_get_segment (&vcm->segment_main, fs_index);
+ c = fifo_segment_alloc_chunk_w_slice (fs, slice_index, size);
+ *offset = fifo_segment_chunk_offset (fs, c);
+
+ clib_rwlock_reader_unlock (&vcm->segment_table_lock);
+
+ return c;
+}
+
+int
+vcl_session_share_fifos (vcl_session_t *s, svm_fifo_t *rxf, svm_fifo_t *txf)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ fifo_segment_t *fs;
+
+ clib_rwlock_reader_lock (&vcm->segment_table_lock);
+
+ fs = fifo_segment_get_segment (&vcm->segment_main, rxf->segment_index);
+ s->rx_fifo = fifo_segment_duplicate_fifo (fs, rxf);
+ s->tx_fifo = fifo_segment_duplicate_fifo (fs, txf);
+
+ clib_rwlock_reader_unlock (&vcm->segment_table_lock);
+
+ svm_fifo_add_subscriber (s->rx_fifo, wrk->vpp_wrk_index);
+ svm_fifo_add_subscriber (s->tx_fifo, wrk->vpp_wrk_index);
+
+ return 0;
+}
+
+const char *
+vcl_session_state_str (vcl_session_state_t state)
+{
+ char *st;
+
+ switch (state)
+ {
+ case VCL_STATE_CLOSED:
+ st = "STATE_CLOSED";
+ break;
+ case VCL_STATE_LISTEN:
+ st = "STATE_LISTEN";
+ break;
+ case VCL_STATE_READY:
+ st = "STATE_READY";
+ break;
+ case VCL_STATE_VPP_CLOSING:
+ st = "STATE_VPP_CLOSING";
+ break;
+ case VCL_STATE_DISCONNECT:
+ st = "STATE_DISCONNECT";
+ break;
+ case VCL_STATE_DETACHED:
+ st = "STATE_DETACHED";
+ break;
+ case VCL_STATE_UPDATED:
+ st = "STATE_UPDATED";
+ break;
+ case VCL_STATE_LISTEN_NO_MQ:
+ st = "STATE_LISTEN_NO_MQ";
+ break;
+ default:
+ st = "UNKNOWN_STATE";
+ break;
+ }
+
+ return st;
+}
+
+u8 *
+vcl_format_ip4_address (u8 *s, va_list *args)
+{
+ u8 *a = va_arg (*args, u8 *);
+ return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
+}
+
+u8 *
+vcl_format_ip6_address (u8 *s, va_list *args)
+{
+ ip6_address_t *a = va_arg (*args, ip6_address_t *);
+ u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
+
+ i_max_n_zero = ARRAY_LEN (a->as_u16);
+ max_n_zeros = 0;
+ i_first_zero = i_max_n_zero;
+ n_zeros = 0;
+ for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
+ {
+ u32 is_zero = a->as_u16[i] == 0;
+ if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
+ {
+ i_first_zero = i;
+ n_zeros = 0;
+ }
+ n_zeros += is_zero;
+ if ((!is_zero && n_zeros > max_n_zeros) ||
+ (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
+ {
+ i_max_n_zero = i_first_zero;
+ max_n_zeros = n_zeros;
+ i_first_zero = ARRAY_LEN (a->as_u16);
+ n_zeros = 0;
+ }