How to detect if transport connection break

Afriyie Abraham Kwabena

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Nov 20, 2020, 3:51:21 AM11/20/20

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Hi,

My basic understanding of HTTP protocol is that an HTTP client sent request, get response from the HTTP server and then the connection is closed.

My question is how can an HTTP client detect if the underling transport connection break. For example if the HTTP server shutdown, is there a way to detect that at the client so that the client can start a persistent request.

If possible, how can I do that in golang HTTP client?

BR

Abraham

Amit Saha

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Nov 20, 2020, 4:41:42 AM11/20/20

to Afriyie Abraham Kwabena, golang-nuts

Are you thinking about implementing a connection pool for your long lived process?

BR
Abraham

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Afriyie Abraham Kwabena

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Nov 20, 2020, 6:07:12 AM11/20/20

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Hi,

Am new to programming and if you could explain further what you mean by long lived process.

Afriyie Abraham Kwabena

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Nov 20, 2020, 10:12:09 AM11/20/20

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Hi,

Yes, that is what intend to implement. Can you help with some information about how

I could implement it.

If possible some libraries or example code.

Abraham

Amit Saha

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Nov 20, 2020, 3:56:17 PM11/20/20

to Afriyie Abraham Kwabena, golang-nuts

On Sat, 21 Nov 2020, 2:12 am Afriyie Abraham Kwabena, <afriyie...@gmail.com> wrote:

Hi,

Yes, that is what intend to implement. Can you help with some information about how
I could implement it.
If possible some libraries or example code.

The standard library's http client as defined in net/http uses a transport layer connection pool already. I believe it will take care of the scenario you are trying to solve.

This issue https://github.com/golang/go/issues/23427 has some relevant discussions and starting points for you to explore more. I also recommend looking at this post https://blog.golang.org/http-tracing for further research

Abraham

On Friday, November 20, 2020 at 1:07:12 PM UTC+2 Afriyie Abraham Kwabena wrote:
Hi,

Am new to programming and if you could explain further what you mean by long lived process.

On Friday, November 20, 2020 at 11:41:42 AM UTC+2 amits...@gmail.com wrote:

On Fri, 20 Nov 2020, 7:51 pm Afriyie Abraham Kwabena, <afriyie...@gmail.com> wrote:

Hi,

My basic understanding of HTTP protocol is that an HTTP client sent request, get response from the HTTP server and then the connection is closed.

My question is how can an HTTP client detect if the underling transport connection break. For example if the HTTP server shutdown, is there a way to detect that at the client so that the client can start a persistent request.

If possible, how can I do that in golang HTTP client?

Are you thinking about implementing a connection pool for your long lived process?

BR
Abraham

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