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Uses the recently added support for SocketsHttpHandler.ConnectCallback to be used for synchronous operations (#45300) to add support for HttpWebRequest.ReadWriteTimeout. That value is now used to set the Read/WriteTimeout on the underlying socket, with it then affecting all synchronous reads and writes on that connection. The ReadWriteTimeout is added to the cache key for whether the cached HttpClient instance can be used, as is whether the request is sync or async because that influences how connections are created from the HttpClient instance.

Fixes #43520

A couple of notes:

Uses the recently added support for SocketsHttpHandler.ConnectCallback to be used for synchronous operations to add support for HttpWebRequest.ReadWriteTimeout.  That value is now used to set the Read/WriteTimeout on the underlying socket, with it then affecting all synchronous reads and writes on that connection.  The ReadWriteTimeout is added to the cache key for whether the cached HttpClient instance can be used, as is whether the request is sync or async because that influences how connections are created from the HttpClient instance.
@ghost ghost added the area-System.Net label Jan 29, 2021
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ghost commented Jan 29, 2021

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Issue Details

Uses the recently added support for SocketsHttpHandler.ConnectCallback to be used for synchronous operations (#45300) to add support for HttpWebRequest.ReadWriteTimeout. That value is now used to set the Read/WriteTimeout on the underlying socket, with it then affecting all synchronous reads and writes on that connection. The ReadWriteTimeout is added to the cache key for whether the cached HttpClient instance can be used, as is whether the request is sync or async because that influences how connections are created from the HttpClient instance.

Fixes #43520

A couple of notes:

Author: stephentoub
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area-System.Net

Milestone: -

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LGTM

@stephentoub stephentoub added this to the 6.0.0 milestone Jan 30, 2021
@stephentoub stephentoub merged commit c9d1fd6 into dotnet:master Feb 1, 2021
@stephentoub stephentoub deleted the hwrtimeout branch February 1, 2021 16:48
@ghost ghost locked as resolved and limited conversation to collaborators Mar 3, 2021
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HttpWebRequest timeout broken with proxy/ssl, repro attached

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