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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.logging;
import com.yahoo.yolean.trace.TraceNode;
import java.security.Principal;
import java.time.Duration;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import java.util.OptionalInt;
import java.util.OptionalLong;
import java.util.SortedMap;
import java.util.SortedSet;
import java.util.TreeMap;
import static java.util.Objects.requireNonNull;
/**
* A immutable request log entry
*
* @author bjorncs
*/
public class RequestLogEntry {
private final String connectionId;
private final Instant timestamp;
private final Duration duration;
private final int localPort;
private final String peerAddress;
private final int peerPort;
private final String remoteAddress;
private final int remotePort;
private final String userAgent;
private final String referer;
private final String httpMethod;
private final String httpVersion;
private final String hostString;
private final int statusCode;
private final long responseSize;
private final long requestSize;
private final String scheme;
private final String rawPath;
private final String rawQuery;
private final Principal userPrincipal;
private final Principal sslPrincipal;
private final HitCounts hitCounts;
private final TraceNode traceNode;
private final SortedMap<String, Collection<String>> extraAttributes;
private RequestLogEntry(Builder builder) {
this.connectionId = builder.connectionId;
this.timestamp = builder.timestamp;
this.duration = builder.duration;
this.localPort = builder.localPort;
this.peerAddress = builder.peerAddress;
this.peerPort = builder.peerPort;
this.remoteAddress = builder.remoteAddress;
this.remotePort = builder.remotePort;
this.userAgent = builder.userAgent;
this.referer = builder.referer;
this.httpMethod = builder.httpMethod;
this.httpVersion = builder.httpVersion;
this.hostString = builder.hostString;
this.statusCode = builder.statusCode;
this.responseSize = builder.responseSize;
this.requestSize = builder.requestSize;
this.scheme = builder.scheme;
this.rawPath = builder.rawPath;
this.rawQuery = builder.rawQuery;
this.userPrincipal = builder.userPrincipal;
this.sslPrincipal = builder.sslPrincipal;
this.hitCounts = builder.hitCounts;
this.traceNode = builder.traceNode;
this.extraAttributes = copyExtraAttributes(builder.extraAttributes);
}
public Optional<String> connectionId() { return Optional.ofNullable(connectionId); }
public Optional<Instant> timestamp() { return Optional.ofNullable(timestamp); }
public Optional<Duration> duration() { return Optional.ofNullable(duration); }
public OptionalInt localPort() { return optionalInt(localPort); }
public Optional<String> peerAddress() { return Optional.ofNullable(peerAddress); }
public OptionalInt peerPort() { return optionalInt(peerPort); }
public Optional<String> remoteAddress() { return Optional.ofNullable(remoteAddress); }
public OptionalInt remotePort() { return optionalInt(remotePort); }
public Optional<String> userAgent() { return Optional.ofNullable(userAgent); }
public Optional<String> referer() { return Optional.ofNullable(referer); }
public Optional<String> httpMethod() { return Optional.ofNullable(httpMethod); }
public Optional<String> httpVersion() { return Optional.ofNullable(httpVersion); }
public Optional<String> hostString() { return Optional.ofNullable(hostString); }
public OptionalInt statusCode() { return optionalInt(statusCode); }
public OptionalLong responseSize() { return optionalLong(responseSize); }
public OptionalLong requestSize() { return optionalLong(requestSize); }
public Optional<String> scheme() { return Optional.ofNullable(scheme); }
public Optional<String> rawPath() { return Optional.ofNullable(rawPath); }
public Optional<String> rawQuery() { return Optional.ofNullable(rawQuery); }
public Optional<Principal> userPrincipal() { return Optional.ofNullable(userPrincipal); }
public Optional<Principal> sslPrincipal() { return Optional.ofNullable(sslPrincipal); }
public Optional<HitCounts> hitCounts() { return Optional.ofNullable(hitCounts); }
public Optional<TraceNode> traceNode() { return Optional.ofNullable(traceNode); }
public SortedSet<String> extraAttributeKeys() { return Collections.unmodifiableSortedSet((SortedSet<String>)extraAttributes.keySet()); }
public Collection<String> extraAttributeValues(String key) { return Collections.unmodifiableCollection(extraAttributes.get(key)); }
private static OptionalInt optionalInt(int value) {
if (value == -1) return OptionalInt.empty();
return OptionalInt.of(value);
}
private static OptionalLong optionalLong(long value) {
if (value == -1) return OptionalLong.empty();
return OptionalLong.of(value);
}
private static SortedMap<String, Collection<String>> copyExtraAttributes(Map<String, Collection<String>> extraAttributes) {
SortedMap<String, Collection<String>> copy = new TreeMap<>();
extraAttributes.forEach((key, value) -> copy.put(key, new ArrayList<>(value)));
return copy;
}
public static class Builder {
private String connectionId;
private Instant timestamp;
private Duration duration;
private int localPort = -1;
private String peerAddress;
private int peerPort = -1;
private String remoteAddress;
private int remotePort = -1;
private String userAgent;
private String referer;
private String httpMethod;
private String httpVersion;
private String hostString;
private int statusCode = -1;
private long responseSize = -1;
private long requestSize = -1;
private String scheme;
private String rawPath;
private String rawQuery;
private Principal userPrincipal;
private HitCounts hitCounts;
private TraceNode traceNode;
private Principal sslPrincipal;
private final Map<String, Collection<String>> extraAttributes = new HashMap<>();
public Builder connectionId(String connectionId) { this.connectionId = requireNonNull(connectionId); return this; }
public Builder timestamp(Instant timestamp) { this.timestamp = requireNonNull(timestamp); return this; }
public Builder duration(Duration duration) { this.duration = requireNonNull(duration); return this; }
public Builder localPort(int localPort) { this.localPort = requireNonNegative(localPort); return this; }
public Builder peerAddress(String peerAddress) { this.peerAddress = requireNonNull(peerAddress); return this; }
public Builder peerPort(int peerPort) { this.peerPort = requireNonNegative(peerPort); return this; }
public Builder remoteAddress(String remoteAddress) { this.remoteAddress = requireNonNull(remoteAddress); return this; }
public Builder remotePort(int remotePort) { this.remotePort = requireNonNegative(remotePort); return this; }
public Builder userAgent(String userAgent) { this.userAgent = requireNonNull(userAgent); return this; }
public Builder referer(String referer) { this.referer = requireNonNull(referer); return this; }
public Builder httpMethod(String httpMethod) { this.httpMethod = requireNonNull(httpMethod); return this; }
public Builder httpVersion(String httpVersion) { this.httpVersion = requireNonNull(httpVersion); return this; }
public Builder hostString(String hostString) { this.hostString = requireNonNull(hostString); return this; }
public Builder statusCode(int statusCode) { this.statusCode = requireNonNegative(statusCode); return this; }
public Builder responseSize(long contentSize) { this.responseSize = requireNonNegative(contentSize); return this; }
public Builder requestSize(long contentSize) { this.requestSize = requireNonNegative(contentSize); return this; }
public Builder scheme(String scheme) { this.scheme = requireNonNull(scheme); return this; }
public Builder rawPath(String rawPath) { this.rawPath = requireNonNull(rawPath); return this; }
public Builder rawQuery(String rawQuery) { this.rawQuery = requireNonNull(rawQuery); return this; }
public Builder userPrincipal(Principal userPrincipal) { this.userPrincipal = requireNonNull(userPrincipal); return this; }
public Builder sslPrincipal(Principal sslPrincipal) { this.sslPrincipal = requireNonNull(sslPrincipal); return this; }
public Builder hitCounts(HitCounts hitCounts) { this.hitCounts = requireNonNull(hitCounts); return this; }
public Builder traceNode(TraceNode traceNode) { this.traceNode = requireNonNull(traceNode); return this; }
public Builder addExtraAttribute(String key, String value) {
this.extraAttributes.computeIfAbsent(requireNonNull(key), __ -> new ArrayList<>()).add(requireNonNull(value));
return this;
}
public Builder addExtraAttributes(String key, Collection<String> values) {
this.extraAttributes.computeIfAbsent(requireNonNull(key), __ -> new ArrayList<>()).addAll(requireNonNull(values));
return this;
}
public RequestLogEntry build() { return new RequestLogEntry(this); }
private static int requireNonNegative(int value) {
if (value < 0) throw new IllegalArgumentException("Value must be non-negative: " + value);
return value;
}
private static long requireNonNegative(long value) {
if (value < 0) throw new IllegalArgumentException("Value must be non-negative: " + value);
return value;
}
}
}
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