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Diffstat (limited to 'src/core/ext/census/resource.h')
| -rw-r--r-- | src/core/ext/census/resource.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/core/ext/census/resource.h b/src/core/ext/census/resource.h new file mode 100644 index 0000000000..591bff07da --- /dev/null +++ b/src/core/ext/census/resource.h @@ -0,0 +1,63 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +/* 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" + +/* 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); + +#endif /* GRPC_CORE_EXT_CENSUS_RESOURCE_H */ |