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POHttpClient, multiple async results from single call
 

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    <p>I am stuck and have been banging my head against this problem for a couple of days now and am hoping may be able to help.</p> <p>I am making a call to a http service, which when executed, will kick off a process that will send back multiple status messages. The data comes back as a Json string which is then deserialized into an object.</p> <p>The code I am trying to create already exists as a COM object in a NPAPI browser plugin, however with Google's recent decision to kill such plugins I am forced into looking into a new way to get my data.</p> <p>So far I have made spectacular Swiss cheese of my working code and am able to get the first result back, and that's about it. Here is a snippet of what I have working, the basic premise is that the service is called async and then the results are looped until I get the final status result. Unfortunately, I know this isn't right because I get a connection terminated error when I hit the second iteration.</p> <pre><code>var httpClient = new HttpClient(); await httpClient.GetAsync(url).ContinueWith( (task) =&gt; { do { var response = task.Result; var data = response.Content.ReadAsStringAsync().ContinueWith( (readTask) =&gt; { var data2 = readTask.Result; foo++; }); }while (foo &lt; 5); }); </code></pre> <p>Does anyone have any suggestions? Thanks for the help!</p> <p><strong>Edit</strong></p> <p>Per svick's request here's some more info. As I said the code being executed returns multiple status messages. So I might get a message for 0% done, 5%, 20%, 25%, etc all the way up to 100%. What I am trying to do is trap all of the messages coming back until I get the message saying the status is 100% done.</p> <p>I've also tried using the ReadAsStringAsync method and it only returns the first status message and then closes the connection.</p> <p>Thanks again!</p> <p><strong>Update</strong> Well, it turns out I have been going about this all wrong. Apparently there was a results call built into the service that I could query to get the data I wanted. I guess I missed that part of the architecture meeting.</p> <p>Thanks for everyone that either commented or looked at this!</p>
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    1. COIf I understand your code correctly, you make a request and then try to read the response 5 times. That doesn't make any sense, could you explain what exactly is your code supposed to do?
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    2. COExamine the original code using Fiddler or Message Analyzer to see exactly what it's doing. From your description, it sounds like `ReadAsStringAsync` would wait until it gets *all* the responses.
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      1. USStephen Cleary
 

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