| /** @file |
| |
| traffic_ctl |
| |
| @section license License |
| |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you 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. |
| */ |
| |
| #include "traffic_ctl.h" |
| #include "records/P_RecUtils.h" |
| |
| static int |
| metric_get(unsigned argc, const char **argv) |
| { |
| if (!CtrlProcessArguments(argc, argv, nullptr, 0) || n_file_arguments < 1) { |
| return CtrlCommandUsage("metric get METRIC [METRIC ...]", nullptr, 0); |
| } |
| |
| for (unsigned i = 0; i < n_file_arguments; ++i) { |
| CtrlMgmtRecord record; |
| TSMgmtError error; |
| |
| error = record.fetch(file_arguments[i]); |
| if (error != TS_ERR_OKAY) { |
| CtrlMgmtError(error, "failed to fetch %s", file_arguments[i]); |
| return CTRL_EX_ERROR; |
| } |
| |
| if (REC_TYPE_IS_STAT(record.rclass())) { |
| printf("%s %s\n", record.name(), CtrlMgmtRecordValue(record).c_str()); |
| } |
| } |
| |
| return CTRL_EX_OK; |
| } |
| |
| static int |
| metric_match(unsigned argc, const char **argv) |
| { |
| if (!CtrlProcessArguments(argc, argv, nullptr, 0) || n_file_arguments < 1) { |
| return CtrlCommandUsage("metric match [OPTIONS] REGEX [REGEX ...]", nullptr, 0); |
| } |
| |
| for (unsigned i = 0; i < n_file_arguments; ++i) { |
| CtrlMgmtRecordList reclist; |
| TSMgmtError error; |
| |
| error = reclist.match(file_arguments[i]); |
| if (error != TS_ERR_OKAY) { |
| CtrlMgmtError(error, "failed to fetch %s", file_arguments[i]); |
| return CTRL_EX_ERROR; |
| } |
| |
| while (!reclist.empty()) { |
| CtrlMgmtRecord record(reclist.next()); |
| if (REC_TYPE_IS_STAT(record.rclass())) { |
| printf("%s %s\n", record.name(), CtrlMgmtRecordValue(record).c_str()); |
| } |
| } |
| } |
| |
| return CTRL_EX_OK; |
| } |
| |
| static int |
| metric_clear(unsigned argc, const char **argv) |
| { |
| TSMgmtError error; |
| |
| error = TSStatsReset(nullptr); |
| if (error != TS_ERR_OKAY) { |
| CtrlMgmtError(error, "failed to clear metrics"); |
| return CTRL_EX_ERROR; |
| } |
| |
| return CTRL_EX_OK; |
| } |
| |
| static int |
| metric_zero(unsigned argc, const char **argv) |
| { |
| TSMgmtError error; |
| |
| for (unsigned i = 0; i < n_file_arguments; ++i) { |
| error = TSStatsReset(file_arguments[i]); |
| if (error != TS_ERR_OKAY) { |
| CtrlMgmtError(error, "failed to clear %s", file_arguments[i]); |
| return CTRL_EX_ERROR; |
| } |
| } |
| |
| return CTRL_EX_OK; |
| } |
| |
| int |
| subcommand_metric(unsigned argc, const char **argv) |
| { |
| const subcommand commands[] = { |
| {metric_get, "get", "Get one or more metric values"}, |
| {metric_clear, "clear", "Clear all metric values"}, |
| {CtrlUnimplementedCommand, "describe", "Show detailed information about one or more metric values"}, |
| {metric_match, "match", "Get metrics matching a regular expression"}, |
| {CtrlUnimplementedCommand, "monitor", "Display the value of a metric over time"}, |
| |
| // We could allow clearing all the metrics in the "clear" subcommand, but that seems error-prone. It |
| // would be too easy to just expect a help message and accidentally nuke all the metrics. |
| {metric_zero, "zero", "Clear one or more metric values"}, |
| }; |
| |
| return CtrlGenericSubcommand("metric", commands, countof(commands), argc, argv); |
| } |