8000 Merge pull request #8 from Dynatrace/addIncomingWebrequests · Dynatrace/OneAgent-SDK-for-Java@7a2dfff · GitHub
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Sonja Chèvre
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Merge pull request #8 from Dynatrace/addIncomingWebrequests
Add incoming webrequests
2 parents 7dc7b66 + 4ea85b8 commit 7a2dfff

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‎README.md

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@@ -20,6 +20,7 @@ This is the official Java implementation of the [Dynatrace OneAgent SDK](https:/
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* [Trace incoming and outgoing remote calls](#remoting)
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* [In process linking](#inprocess)
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* [Add custom request attributes](#scav)
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* [Trace incoming web requests](#webrequests)
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* [Further reading](#furtherreading)
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* [Help & Support](#help)
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* [Release notes](#releasenotes)
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|OneAgent SDK for Java|Required OneAgent version|
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|:--------------------|:------------------------|
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|1.3.0 |>=1.149 |
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|1.2.0 |>=1.147 |
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|1.1.0 |>=1.143 |
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|1.0.3 |>=1.135 |
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<dependency>
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<groupId>com.dynatrace.oneagent.sdk.java</groupId>
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<artifactId>oneagent-sdk</artifactId>
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<version>1.2.0</version>
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<version>1.3.0</version>
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<scope>compile</scope>
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</dependency>
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|Feature |Required OneAgent SDK for Java version|
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|:-----------------------------------------|:-------------------------------------|
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|Incoming webrequests |>=1.3.0 |
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|Custom request attributes |>=1.2.0 |
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|In process linking |>=1.1.0 |
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|Trace incoming and outgoing remote calls |>=1.0.3 |
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When no service call is being traced, the custom request attributes are dropped.
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<a name="webrequests"/>
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## Trace incoming web requests
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You can use the SDK to trace incoming web requests. This might be useful if Dynatrace does not support the respective web server framework or language.
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To trace any kind of incoming web request you first need to create a WebServerInfo object. The info object represents the endpoint of your web server (webservername, applicationname and context root). This object should be reused for all traced webrequests for the same application.
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```Java
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WebServerInfo wsInfo = OneAgentSDK.createWebServerInfo("WebShopProduction", "CheckoutService", "/api/service/checkout");
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```
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To trace a specific incoming web request you then need to create a Tracer object. It is important to provide all http headers from the request to the SDK by calling addRequestHeader(...). This ensures that tagging with our built-in sensor is working.
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```Java
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IncomingWebRequestTracer tracer = OneAgentSDK.traceIncomingWebRequest(wsInfo,"https://www.oursupershop.com/api/service/checkout/save","POST")
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for (Entry<String, String> headerField : httpRequest.getHeaders().entrySet()) {
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incomingWebrequestTracer.addRequestHeader(headerField.getKey(), headerField.getValue());
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}
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for (Entry<String, List<String>> parameterEntry : httpRequest.getParameters().entrySet()) {
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for (String value : parameterEntry.getValue()) {
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incomingWebrequestTracer.addParameter(parameterEntry.getKey(), value);
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}
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}
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incomingWebrequestTracer.setRemoteAddress(httpRequest.getRemoteHostName());
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tracer.start();
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try {
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int statusCodeReturnedToClient = processWebRequest();
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tracer.setStatusCode(statusCodeReturnedToClient);
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} catch (Exception e) {
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tracer.setStatusCode(500); // we expect, the container sends http 500 in case request processing throws an exception
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tracer.error(e);
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throw e;
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} finally {
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tracer.end();
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}
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```
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<a name="furtherreading" />
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## Further readings
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|Version|Description |Links |
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|:------|:--------------------------------------|:----------------------------------------|
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|1.3.0 |Added support for incoming webrequests |[binary](https://search.maven.org/remotecontent?filepath=com/dynatrace/oneagent/sdk/java/oneagent-sdk/1.3.0/oneagent-sdk-1.3.0.jar) [source](https://search.maven.org/remotecontent?filepath=com/dynatrace/oneagent/sdk/java/oneagent-sdk/1.3.0/oneagent-sdk-1.3.0-sources.jar) [javadoc](https://search.maven.org/remotecontent?filepath=com/dynatrace/oneagent/sdk/java/oneagent-sdk/1.3.0/oneagent-sdk-1.3.0-javadoc.jar)|
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|1.2.0 |Added support for in-process-linking |[binary](https://search.maven.org/remotecontent?filepath=com/dynatrace/oneagent/sdk/java/oneagent-sdk/1.2.0/oneagent-sdk-1.2.0.jar) [source](https://search.maven.org/remotecontent?filepath=com/dynatrace/oneagent/sdk/java/oneagent-sdk/1.2.0/oneagent-sdk-1.2.0-sources.jar) [javadoc](https://search.maven.org/remotecontent?filepath=com/dynatrace/oneagent/sdk/java/oneagent-sdk/1.2.0/oneagent-sdk-1.2.0-javadoc.jar)|
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|1.1.0 |Added support for in-process-linking |[binary](https://search.maven.org/remotecontent?filepath=com/dynatrace/oneagent/sdk/java/oneagent-sdk/1.1.0/oneagent-sdk-1.1.0.jar) [source](https://search.maven.org/remotecontent?filepath=com/dynatrace/oneagent/sdk/java/oneagent-sdk/1.1.0/oneagent-sdk-1.1.0-sources.jar) [javadoc](https://search.maven.org/remotecontent?filepath=com/dynatrace/oneagent/sdk/java/oneagent-sdk/1.1.0/oneagent-sdk-1.1.0-javadoc.jar)|
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|1.0.3 |Initial release |[binary](https://search.maven.org/remotecontent?filepath=com/dynatrace/oneagent/sdk/java/oneagent-sdk/1.0.3/oneagent-sdk-1.0.3.jar) [source](https://search.maven.org/remotecontent?filepath=com/dynatrace/oneagent/sdk/java/oneagent-sdk/1.0.3/oneagent-sdk-1.0.3-sources.jar) [javadoc](https://search.maven.org/remotecontent?filepath=com/dynatrace/oneagent/sdk/java/oneagent-sdk/1.0.3/oneagent-sdk-1.0.3-javadoc.jar)|

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