2 * stat_client.h - Library for access to VPP statistics segment
4 * Copyright (c) 2018 Cisco and/or its affiliates.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 #ifndef included_stat_client_h
18 #define included_stat_client_h
20 #define STAT_VERSION_MAJOR 1
21 #define STAT_VERSION_MINOR 2
25 #include <vlib/counter_types.h>
27 #include <vpp/stats/stat_segment_shared.h>
29 /* Default socket to exchange segment fd */
30 /* TODO: Get from runtime directory */
31 #define STAT_SEGMENT_SOCKET_FILE "/run/vpp/stats.sock"
32 #define STAT_SEGMENT_SOCKET_FILENAME "stats.sock"
37 stat_directory_type_t type;
41 counter_t *error_vector;
42 counter_t **simple_counter_vec;
43 vlib_counter_t **combined_counter_vec;
44 uint8_t **name_vector;
46 } stat_segment_data_t;
50 uint64_t current_epoch;
51 stat_segment_shared_header_t *shared_header;
52 stat_segment_directory_entry_t *directory_vector;
56 extern stat_client_main_t stat_client_main;
58 stat_client_main_t *stat_client_get (void);
59 void stat_client_free (stat_client_main_t * sm);
60 int stat_segment_connect_r (const char *socket_name, stat_client_main_t * sm);
61 int stat_segment_connect (const char *socket_name);
62 void stat_segment_disconnect_r (stat_client_main_t * sm);
63 void stat_segment_disconnect (void);
64 uint8_t **stat_segment_string_vector (uint8_t ** string_vector,
66 int stat_segment_vec_len (void *vec);
67 void stat_segment_vec_free (void *vec);
68 uint32_t *stat_segment_ls_r (uint8_t ** patterns, stat_client_main_t * sm);
69 uint32_t *stat_segment_ls (uint8_t ** pattern);
70 stat_segment_data_t *stat_segment_dump_r (uint32_t * stats,
71 stat_client_main_t * sm);
72 stat_segment_data_t *stat_segment_dump (uint32_t * counter_vec);
73 stat_segment_data_t *stat_segment_dump_entry_r (uint32_t index,
74 stat_client_main_t * sm);
75 stat_segment_data_t *stat_segment_dump_entry (uint32_t index);
77 void stat_segment_data_free (stat_segment_data_t * res);
78 double stat_segment_heartbeat_r (stat_client_main_t * sm);
79 double stat_segment_heartbeat (void);
81 char *stat_segment_index_to_name_r (uint32_t index, stat_client_main_t * sm);
82 char *stat_segment_index_to_name (uint32_t index);
83 uint64_t stat_segment_version (void);
84 uint64_t stat_segment_version_r (stat_client_main_t * sm);
89 } stat_segment_access_t;
92 stat_segment_access_start (stat_segment_access_t * sa,
93 stat_client_main_t * sm)
95 stat_segment_shared_header_t *shared_header = sm->shared_header;
96 sa->epoch = shared_header->epoch;
97 while (shared_header->in_progress != 0)
99 sm->directory_vector = (stat_segment_directory_entry_t *)
100 stat_segment_pointer (sm->shared_header,
101 sm->shared_header->directory_offset);
105 stat_segment_access_end (stat_segment_access_t * sa, stat_client_main_t * sm)
107 stat_segment_shared_header_t *shared_header = sm->shared_header;
109 if (shared_header->epoch != sa->epoch || shared_header->in_progress)
115 #endif /* included_stat_client_h */
118 * fd.io coding-style-patch-verification: ON
121 * eval: (c-set-style "gnu")