| // Copyright (C) 2017 The Android Open Source Project |
| // |
| // 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. |
| |
| package com.googlesource.gerrit.plugins.ratelimiter; |
| |
| import static com.google.gerrit.sshd.CommandMetaData.Mode.MASTER_OR_SLAVE; |
| import static com.googlesource.gerrit.plugins.ratelimiter.Module.UPLOAD_PACK_PER_HOUR; |
| |
| import com.google.common.cache.LoadingCache; |
| import com.google.gerrit.common.data.GlobalCapability; |
| import com.google.gerrit.extensions.annotations.RequiresCapability; |
| import com.google.gerrit.sshd.AdminHighPriorityCommand; |
| import com.google.gerrit.sshd.CommandMetaData; |
| import com.google.gerrit.sshd.SshCommand; |
| import com.google.inject.Inject; |
| import com.google.inject.name.Named; |
| import java.time.Duration; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Optional; |
| import java.util.concurrent.TimeUnit; |
| |
| @AdminHighPriorityCommand |
| @RequiresCapability(GlobalCapability.ADMINISTRATE_SERVER) |
| @CommandMetaData( |
| name = "list", |
| description = "Display rate limits statistics", |
| runsAt = MASTER_OR_SLAVE) |
| final class ListCommand extends SshCommand { |
| private static final String FORMAT = "%-26s %-17s %-19s %s"; |
| private static final String DASHED_LINE = |
| "------------------------------------------------------------------------------"; |
| |
| private final LoadingCache<String, RateLimiter> uploadPackPerHour; |
| private final UserResolver userResolver; |
| |
| @Inject |
| ListCommand( |
| @Named(UPLOAD_PACK_PER_HOUR) LoadingCache<String, RateLimiter> uploadPackPerHour, |
| UserResolver userResolver) { |
| this.uploadPackPerHour = uploadPackPerHour; |
| this.userResolver = userResolver; |
| } |
| |
| @Override |
| protected void run() throws UnloggedFailure { |
| try { |
| stdout.println(DASHED_LINE); |
| stdout.println("* " + UPLOAD_PACK_PER_HOUR + " *"); |
| stdout.println(DASHED_LINE); |
| stdout.println( |
| String.format( |
| FORMAT, |
| "Account Id/IP (username)", |
| "Permits Per Hour", |
| "Available Permits", |
| "Replenish in")); |
| stdout.println(DASHED_LINE); |
| uploadPackPerHour.asMap().entrySet().stream() |
| .sorted(Map.Entry.comparingByValue()) |
| .forEach(this::printEntry); |
| stdout.println(DASHED_LINE); |
| } catch (Exception e) { |
| throw die(e); |
| } |
| } |
| |
| private void printEntry(Entry<String, RateLimiter> entry) { |
| stdout.println( |
| String.format( |
| FORMAT, |
| getDisplayValue(entry.getKey()), |
| permits(entry.getValue().permitsPerHour()), |
| permits(entry.getValue().availablePermits()), |
| Duration.ofSeconds(entry.getValue().remainingTime(TimeUnit.SECONDS)))); |
| } |
| |
| private String permits(int value) { |
| return value == Integer.MAX_VALUE ? "unlimited" : Integer.toString(value); |
| } |
| |
| private String getDisplayValue(String key) { |
| Optional<String> currentUser = userResolver.getUserName(key); |
| return currentUser.map(name -> key + " (" + name + ")").orElse(key); |
| } |
| } |