diff options
Diffstat (limited to 'src/vcl/vcl_private.c')
| -rw-r--r-- | src/vcl/vcl_private.c | 120 |
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 * |