From 7cd468a3d7dee7d6c92f69a0bb7061ae208ec727 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Mon, 19 Dec 2016 23:05:39 +0100 Subject: Reorganize source tree to use single autotools instance Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23 Signed-off-by: Damjan Marion --- src/svm/svmdb.h | 135 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 135 insertions(+) create mode 100644 src/svm/svmdb.h (limited to 'src/svm/svmdb.h') diff --git a/src/svm/svmdb.h b/src/svm/svmdb.h new file mode 100644 index 00000000..e02628a0 --- /dev/null +++ b/src/svm/svmdb.h @@ -0,0 +1,135 @@ +/* + *------------------------------------------------------------------ + * svmdb.h - shared VM database + * + * Copyright (c) 2009 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + *------------------------------------------------------------------ + */ + +#ifndef __included_svmdb_h__ +#define __included_svmdb_h__ + +#include "svm.h" + +typedef enum +{ + SVMDB_ACTION_ILLEGAL = 0, + SVMDB_ACTION_GET, /* not clear why anyone would care */ + SVMDB_ACTION_SET, + SVMDB_ACTION_UNSET, +} svmdb_action_t; + +typedef struct +{ + int pid; + int signum; + u32 action:4; + u32 opaque:28; +} svmdb_notify_t; + +typedef struct +{ + u8 *value; + svmdb_notify_t *notifications; + u32 elsize; +} svmdb_value_t; + +typedef enum +{ + SVMDB_NAMESPACE_STRING = 0, + SVMDB_NAMESPACE_VEC, + SVMDB_N_NAMESPACES, +} svmdb_namespace_t; + +typedef struct +{ + uword version; + /* pool of values */ + svmdb_value_t *values; + uword *namespaces[SVMDB_N_NAMESPACES]; +} svmdb_shm_hdr_t; + +#define SVMDB_SHM_VERSION 2 + +typedef struct +{ + int flags; + int pid; + svm_region_t *db_rp; + svmdb_shm_hdr_t *shm; +} svmdb_client_t; + +typedef struct +{ + int add_del; + svmdb_namespace_t nspace; + char *var; + u32 elsize; + int signum; + u32 action:4; + u32 opaque:28; +} svmdb_notification_args_t; + +typedef struct +{ + char *root_path; + uword size; + u32 uid; + u32 gid; +} svmdb_map_args_t; + +/* + * Must be a reasonable number, several mb smaller than + * SVM_GLOBAL_REGION_SIZE, or no donut for you... + */ +#define SVMDB_DEFAULT_SIZE (4<<20) + +svmdb_client_t *svmdb_map (svmdb_map_args_t *); + +void svmdb_unmap (svmdb_client_t * client); +void svmdb_local_unset_string_variable (svmdb_client_t * client, char *var); +void svmdb_local_set_string_variable (svmdb_client_t * client, + char *var, char *val); +char *svmdb_local_get_string_variable (svmdb_client_t * client, char *var); +void *svmdb_local_get_variable_reference (svmdb_client_t * client, + svmdb_namespace_t ns, char *var); + +void svmdb_local_dump_strings (svmdb_client_t * client); + +void svmdb_local_unset_vec_variable (svmdb_client_t * client, char *var); +void svmdb_local_set_vec_variable (svmdb_client_t * client, + char *var, void *val, u32 elsize); +void *svmdb_local_get_vec_variable (svmdb_client_t * client, char *var, + u32 elsize); +void svmdb_local_dump_vecs (svmdb_client_t * client); + +int svmdb_local_add_del_notification (svmdb_client_t * client, + svmdb_notification_args_t * args); + +void *svmdb_local_find_or_add_vec_variable (svmdb_client_t * client, + char *var, u32 nbytes); + +int svmdb_local_serialize_strings (svmdb_client_t * client, char *filename); +int svmdb_local_unserialize_strings (svmdb_client_t * client, char *filename); + + +#endif /* __included_svmdb_h__ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg