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-rw-r--r--src/vcl/vcl_private.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/src/vcl/vcl_private.c b/src/vcl/vcl_private.c
index 3cbf02532cd..d12d2d31a8f 100644
--- a/src/vcl/vcl_private.c
+++ b/src/vcl/vcl_private.c
@@ -594,6 +594,126 @@ vcl_session_share_fifos (vcl_session_t *s, svm_fifo_t *rxf, svm_fifo_t *txf)
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;
+ }
+ }
+
+ last_double_colon = 0;
+ for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
+ {
+ if (i == i_max_n_zero && max_n_zeros > 1)
+ {
+ s = format (s, "::");
+ i += max_n_zeros - 1;
+ last_double_colon = 1;
+ }
+ else
+ {
+ s = format (s, "%s%x", (last_double_colon || i == 0) ? "" : ":",
+ clib_net_to_host_u16 (a->as_u16[i]));
+ last_double_colon = 0;
+ }
+ }
+
+ return s;
+}
+
+/* Format an IP46 address. */
+u8 *
+vcl_format_ip46_address (u8 *s, va_list *args)
+{
+ ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
+ ip46_type_t type = va_arg (*args, ip46_type_t);
+ int is_ip4 = 1;
+
+ switch (type)
+ {
+ case IP46_TYPE_ANY:
+ is_ip4 = ip46_address_is_ip4 (ip46);
+ break;
+ case IP46_TYPE_IP4:
+ is_ip4 = 1;
+ break;
+ case IP46_TYPE_IP6:
+ is_ip4 = 0;
+ break;
+ }
+
+ return is_ip4 ? format (s, "%U", vcl_format_ip4_address, &ip46->ip4) :
+ format (s, "%U", vcl_format_ip6_address, &ip46->ip6);
+}
+
/*
* fd.io coding-style-patch-verification: ON
*