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114 changes: 114 additions & 0 deletions
114
...telemetry/instrumentation/apachehttpclient/v5_2/ApacheHttpClientHttpAttributesGetter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| /* | ||
| * Copyright The OpenTelemetry Authors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| package io.opentelemetry.instrumentation.apachehttpclient.v5_2; | ||
|
|
||
| import io.opentelemetry.instrumentation.api.semconv.http.HttpClientAttributesGetter; | ||
| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
| import javax.annotation.Nullable; | ||
| import org.apache.hc.core5.http.Header; | ||
| import org.apache.hc.core5.http.HttpResponse; | ||
| import org.apache.hc.core5.http.MessageHeaders; | ||
| import org.apache.hc.core5.http.ProtocolVersion; | ||
|
|
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| enum ApacheHttpClientHttpAttributesGetter | ||
| implements HttpClientAttributesGetter<ApacheHttpClientRequest, HttpResponse> { | ||
| INSTANCE; | ||
|
|
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| @Override | ||
| public String getHttpRequestMethod(ApacheHttpClientRequest request) { | ||
| return request.getMethod(); | ||
| } | ||
|
|
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| @Override | ||
| @Nullable | ||
| public String getUrlFull(ApacheHttpClientRequest request) { | ||
| return request.getUrl(); | ||
| } | ||
|
|
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| @Override | ||
| public List<String> getHttpRequestHeader(ApacheHttpClientRequest request, String name) { | ||
| return getHeader(request, name); | ||
| } | ||
|
|
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| @Override | ||
| public Integer getHttpResponseStatusCode( | ||
| ApacheHttpClientRequest request, HttpResponse response, @Nullable Throwable error) { | ||
| return response.getCode(); | ||
| } | ||
|
|
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| @Override | ||
| public List<String> getHttpResponseHeader( | ||
| ApacheHttpClientRequest request, HttpResponse response, String name) { | ||
| return getHeader(response, name); | ||
| } | ||
|
|
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| private static List<String> getHeader(MessageHeaders messageHeaders, String name) { | ||
| return headersToList(messageHeaders.getHeaders(name)); | ||
| } | ||
|
|
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| private static List<String> getHeader(ApacheHttpClientRequest messageHeaders, String name) { | ||
| return headersToList(messageHeaders.getDelegate().getHeaders(name)); | ||
| } | ||
|
|
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| // minimize memory overhead by not using streams | ||
| private static List<String> headersToList(Header[] headers) { | ||
| if (headers.length == 0) { | ||
| return Collections.emptyList(); | ||
| } | ||
| List<String> headersList = new ArrayList<>(headers.length); | ||
| for (Header header : headers) { | ||
| headersList.add(header.getValue()); | ||
| } | ||
| return headersList; | ||
| } | ||
|
|
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| @Nullable | ||
| @Override | ||
| public String getNetworkProtocolName( | ||
| ApacheHttpClientRequest request, @Nullable HttpResponse response) { | ||
| ProtocolVersion protocolVersion = getVersion(request, response); | ||
| if (protocolVersion == null) { | ||
| return null; | ||
| } | ||
| return protocolVersion.getProtocol(); | ||
| } | ||
|
|
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| @Nullable | ||
| @Override | ||
| public String getNetworkProtocolVersion( | ||
| ApacheHttpClientRequest request, @Nullable HttpResponse response) { | ||
| ProtocolVersion protocolVersion = getVersion(request, response); | ||
| if (protocolVersion == null) { | ||
| return null; | ||
| } | ||
| if (protocolVersion.getMinor() == 0) { | ||
| return Integer.toString(protocolVersion.getMajor()); | ||
| } | ||
| return protocolVersion.getMajor() + "." + protocolVersion.getMinor(); | ||
| } | ||
|
|
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| @Override | ||
| @Nullable | ||
| public String getServerAddress(ApacheHttpClientRequest request) { | ||
| return request.getDelegate().getAuthority().getHostName(); | ||
| } | ||
|
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| @Override | ||
| public Integer getServerPort(ApacheHttpClientRequest request) { | ||
| return request.getDelegate().getAuthority().getPort(); | ||
| } | ||
|
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| private static ProtocolVersion getVersion( | ||
| ApacheHttpClientRequest request, @Nullable HttpResponse response) { | ||
| ProtocolVersion protocolVersion = request.getDelegate().getVersion(); | ||
| if (protocolVersion == null && response != null) { | ||
| protocolVersion = response.getVersion(); | ||
| } | ||
| return protocolVersion; | ||
| } | ||
| } |
75 changes: 75 additions & 0 deletions
75
.../java/io/opentelemetry/instrumentation/apachehttpclient/v5_2/ApacheHttpClientRequest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /* | ||
| * Copyright The OpenTelemetry Authors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
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| package io.opentelemetry.instrumentation.apachehttpclient.v5_2; | ||
|
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| import static java.util.logging.Level.FINE; | ||
|
|
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| import java.net.URI; | ||
| import java.net.URISyntaxException; | ||
| import java.util.logging.Logger; | ||
| import javax.annotation.Nullable; | ||
| import org.apache.hc.core5.http.HttpHost; | ||
| import org.apache.hc.core5.http.HttpRequest; | ||
|
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| public final class ApacheHttpClientRequest { | ||
|
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| private static final Logger logger = Logger.getLogger(ApacheHttpClientRequest.class.getName()); | ||
|
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| @Nullable private final URI uri; | ||
| private final HttpRequest delegate; | ||
|
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| ApacheHttpClientRequest(@Nullable HttpHost httpHost, HttpRequest httpRequest) { | ||
| URI calculatedUri = getUri(httpRequest); | ||
| if (calculatedUri != null && httpHost != null) { | ||
| uri = getCalculatedUri(httpHost, calculatedUri); | ||
| } else { | ||
| uri = calculatedUri; | ||
| } | ||
| delegate = httpRequest; | ||
| } | ||
|
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| /** Returns the actual {@link HttpRequest} being executed by the client. */ | ||
| public HttpRequest getDelegate() { | ||
| return delegate; | ||
| } | ||
|
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| String getMethod() { | ||
| return delegate.getMethod(); | ||
| } | ||
|
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| @Nullable | ||
| String getUrl() { | ||
| return uri != null ? uri.toString() : null; | ||
| } | ||
|
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| @Nullable | ||
| private static URI getUri(HttpRequest httpRequest) { | ||
| try { | ||
| // this can be relative or absolute | ||
| return new URI(httpRequest.getUri().toString()); | ||
| } catch (URISyntaxException e) { | ||
| logger.log(FINE, e.getMessage(), e); | ||
| return null; | ||
| } | ||
| } | ||
|
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| @Nullable | ||
| private static URI getCalculatedUri(HttpHost httpHost, URI uri) { | ||
| try { | ||
| return new URI( | ||
| httpHost.getSchemeName(), | ||
| uri.getUserInfo(), | ||
| httpHost.getHostName(), | ||
| httpHost.getPort(), | ||
| uri.getPath(), | ||
| uri.getQuery(), | ||
| uri.getFragment()); | ||
| } catch (URISyntaxException e) { | ||
| logger.log(FINE, e.getMessage(), e); | ||
| return null; | ||
| } | ||
| } | ||
| } |
58 changes: 58 additions & 0 deletions
58
...ava/io/opentelemetry/instrumentation/apachehttpclient/v5_2/ApacheHttpClientTelemetry.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /* | ||
| * Copyright The OpenTelemetry Authors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
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| package io.opentelemetry.instrumentation.apachehttpclient.v5_2; | ||
|
|
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| import io.opentelemetry.api.OpenTelemetry; | ||
| import io.opentelemetry.context.propagation.ContextPropagators; | ||
| import io.opentelemetry.instrumentation.api.instrumenter.Instrumenter; | ||
| import org.apache.hc.client5.http.impl.ChainElement; | ||
| import org.apache.hc.client5.http.impl.classic.CloseableHttpClient; | ||
| import org.apache.hc.client5.http.impl.classic.HttpClientBuilder; | ||
| import org.apache.hc.core5.http.HttpResponse; | ||
|
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| /** Entrypoint for instrumenting Apache HTTP Client. */ | ||
| public final class ApacheHttpClientTelemetry { | ||
|
|
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| /** | ||
| * Returns a new {@link ApacheHttpClientTelemetry} configured with the given {@link | ||
| * OpenTelemetry}. | ||
| */ | ||
| public static ApacheHttpClientTelemetry create(OpenTelemetry openTelemetry) { | ||
| return builder(openTelemetry).build(); | ||
| } | ||
|
|
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| /** | ||
| * Returns a new {@link ApacheHttpClientTelemetryBuilder} configured with the given {@link | ||
| * OpenTelemetry}. | ||
| */ | ||
| public static ApacheHttpClientTelemetryBuilder builder(OpenTelemetry openTelemetry) { | ||
| return new ApacheHttpClientTelemetryBuilder(openTelemetry); | ||
| } | ||
|
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| private final Instrumenter<ApacheHttpClientRequest, HttpResponse> instrumenter; | ||
| private final ContextPropagators propagators; | ||
|
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| ApacheHttpClientTelemetry( | ||
| Instrumenter<ApacheHttpClientRequest, HttpResponse> instrumenter, | ||
| ContextPropagators propagators) { | ||
| this.instrumenter = instrumenter; | ||
| this.propagators = propagators; | ||
| } | ||
|
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| /** Returns a new {@link CloseableHttpClient} with tracing configured. */ | ||
| public CloseableHttpClient newHttpClient() { | ||
| return newHttpClientBuilder().build(); | ||
| } | ||
|
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| /** Returns a new {@link HttpClientBuilder} to create a client with tracing configured. */ | ||
| public HttpClientBuilder newHttpClientBuilder() { | ||
| return HttpClientBuilder.create() | ||
| .addExecInterceptorAfter( | ||
| ChainElement.PROTOCOL.name(), | ||
| "OtelExecChainHandler", | ||
| new OtelExecChainHandler(instrumenter, propagators)); | ||
| } | ||
| } |
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