| /* |
| * |
| * Copyright 2015, 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. |
| * |
| */ |
| |
| #ifndef GRPC_CORE_EXT_CENSUS_CENSUS_RPC_STATS_H |
| #define GRPC_CORE_EXT_CENSUS_CENSUS_RPC_STATS_H |
| |
| #include <grpc/support/port_platform.h> |
| #include "src/core/ext/census/census_interface.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| struct census_rpc_stats { |
| uint64_t cnt; |
| uint64_t rpc_error_cnt; |
| uint64_t app_error_cnt; |
| double elapsed_time_ms; |
| double api_request_bytes; |
| double wire_request_bytes; |
| double api_response_bytes; |
| double wire_response_bytes; |
| }; |
| |
| /* Creates an empty rpc stats object on heap. */ |
| census_rpc_stats *census_rpc_stats_create_empty(void); |
| |
| typedef struct census_per_method_rpc_stats { |
| const char *method; |
| census_rpc_stats minute_stats; /* cumulative stats in the past minute */ |
| census_rpc_stats hour_stats; /* cumulative stats in the past hour */ |
| census_rpc_stats total_stats; /* cumulative stats from last gc */ |
| } census_per_method_rpc_stats; |
| |
| typedef struct census_aggregated_rpc_stats { |
| int num_entries; |
| census_per_method_rpc_stats *stats; |
| } census_aggregated_rpc_stats; |
| |
| /* Initializes an aggregated rpc stats object to an empty state. */ |
| void census_aggregated_rpc_stats_set_empty(census_aggregated_rpc_stats *data); |
| |
| /* Records client side stats of a rpc. */ |
| void census_record_rpc_client_stats(census_op_id op_id, |
| const census_rpc_stats *stats); |
| |
| /* Records server side stats of a rpc. */ |
| void census_record_rpc_server_stats(census_op_id op_id, |
| const census_rpc_stats *stats); |
| |
| /* The following two functions are intended for inprocess query of |
| per-service per-method stats from grpc implementations. */ |
| |
| /* Populates *data_map with server side aggregated per-service per-method |
| stats. |
| DO NOT CALL from outside of grpc code. */ |
| void census_get_server_stats(census_aggregated_rpc_stats *data_map); |
| |
| /* Populates *data_map with client side aggregated per-service per-method |
| stats. |
| DO NOT CALL from outside of grpc code. */ |
| void census_get_client_stats(census_aggregated_rpc_stats *data_map); |
| |
| void census_stats_store_init(void); |
| void census_stats_store_shutdown(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* GRPC_CORE_EXT_CENSUS_CENSUS_RPC_STATS_H */ |