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/*
*
* Copyright 2016 gRPC authors.
*
* 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.
*
*/
/* Census-internal resource definition and manipluation functions. */
#ifndef GRPC_CORE_EXT_CENSUS_RESOURCE_H
#define GRPC_CORE_EXT_CENSUS_RESOURCE_H
#include <grpc/grpc.h>
#include "src/core/ext/census/gen/census.pb.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Internal representation of a resource. */
typedef struct {
char *name;
char *description;
int32_t prefix;
int n_numerators;
google_census_Resource_BasicUnit *numerators;
int n_denominators;
google_census_Resource_BasicUnit *denominators;
} resource;
/* Initialize and shutdown the resources subsystem. */
void initialize_resources(void);
void shutdown_resources(void);
/* Add a new resource, given a proposed resource structure. Returns the
resource ID, or -ve on failure.
TODO(aveitch): this function exists to support addition of the base
resources. It should be removed when we have the ability to add resources
from configuration files. */
int32_t define_resource(const resource *base);
#ifdef __cplusplus
}
#endif
#endif /* GRPC_CORE_EXT_CENSUS_RESOURCE_H */
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