98cfc1aab0
So vpp_get_metrics and similar will not need to run as root Change-Id: I635e830834c82990ad84ddaae06f2e50e55fd616 Signed-off-by: Dave Barach <dave@barachs.net>
132 lines
3.1 KiB
C
132 lines
3.1 KiB
C
/*
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*------------------------------------------------------------------
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* svmdb.h - shared VM database
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*
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* Copyright (c) 2009 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*------------------------------------------------------------------
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*/
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#ifndef __included_svmdb_h__
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#define __included_svmdb_h__
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#include "svm.h"
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typedef enum
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{
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SVMDB_ACTION_ILLEGAL = 0,
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SVMDB_ACTION_GET, /* not clear why anyone would care */
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SVMDB_ACTION_SET,
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SVMDB_ACTION_UNSET,
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} svmdb_action_t;
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typedef struct
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{
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int pid;
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int signum;
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u32 action:4;
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u32 opaque:28;
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} svmdb_notify_t;
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typedef struct
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{
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u8 *value;
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svmdb_notify_t *notifications;
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u32 elsize;
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} svmdb_value_t;
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typedef enum
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{
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SVMDB_NAMESPACE_STRING = 0,
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SVMDB_NAMESPACE_VEC,
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SVMDB_N_NAMESPACES,
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} svmdb_namespace_t;
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typedef struct
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{
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uword version;
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/* pool of values */
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svmdb_value_t *values;
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uword *namespaces[SVMDB_N_NAMESPACES];
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} svmdb_shm_hdr_t;
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#define SVMDB_SHM_VERSION 2
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typedef struct
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{
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int flags;
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int pid;
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svm_region_t *db_rp;
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svmdb_shm_hdr_t *shm;
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} svmdb_client_t;
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typedef struct
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{
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int add_del;
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svmdb_namespace_t nspace;
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char *var;
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u32 elsize;
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int signum;
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u32 action:4;
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u32 opaque:28;
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} svmdb_notification_args_t;
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typedef struct
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{
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char *root_path;
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uword size;
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u32 uid;
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u32 gid;
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} svmdb_map_args_t;
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/*
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* Must be a reasonable number, several mb smaller than
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* SVM_GLOBAL_REGION_SIZE, or no donut for you...
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*/
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#define SVMDB_DEFAULT_SIZE (4<<20)
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svmdb_client_t *svmdb_map (svmdb_map_args_t *);
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void svmdb_unmap (svmdb_client_t * client);
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void svmdb_local_unset_string_variable (svmdb_client_t * client, char *var);
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void svmdb_local_set_string_variable (svmdb_client_t * client,
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char *var, char *val);
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char *svmdb_local_get_string_variable (svmdb_client_t * client, char *var);
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void *svmdb_local_get_variable_reference (svmdb_client_t * client,
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svmdb_namespace_t ns, char *var);
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void svmdb_local_dump_strings (svmdb_client_t * client);
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void svmdb_local_unset_vec_variable (svmdb_client_t * client, char *var);
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void svmdb_local_set_vec_variable (svmdb_client_t * client,
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char *var, void *val, u32 elsize);
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void *svmdb_local_get_vec_variable (svmdb_client_t * client, char *var,
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u32 elsize);
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void svmdb_local_dump_vecs (svmdb_client_t * client);
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int svmdb_local_add_del_notification (svmdb_client_t * client,
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svmdb_notification_args_t * args);
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void *svmdb_local_find_or_add_vec_variable (svmdb_client_t * client,
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char *var, u32 nbytes);
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#endif /* __included_svmdb_h__ */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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