HTTP Chunked Transfer-Encoding support

[PasinduKollure]

I'm having trouble finding a way to send chunks of data to a server on a separate thread while handling incoming data on another separate thread (using onChunkCallback). I reviewed the Http Client API section of the usage.md file and I noticed that onResponseCallback parameter in the bool ix::HttpClient::performRequest(HttpRequestArgsPtr request, const OnResponseCallback& onResponseCallback) function can be used to handle responses but there is also another onChunkCallback variable in the HttpRequestArgs struct which also handles responses from a server. I'm not sure if both of these functions handle incoming messages, and if that is the case, why have 2 callbacks for the same purpose?

Summary of 2 Questions:

1. Is it possible to send chunked data by calling performRequest(HttpRequestArgsPtr request, const OnResponseCallback& onResponseCallback); in a separate custom thread and will the http connection stay open if the header "Transfer-Encoding: chunked" is passed to HttpRequestArgsPtr request argument?
2. if I am using onChunkCallback to process incoming data, what is the purpose of OnResponseCallback?

[bsergean]

Hi @PasinduKollure / currently I don't think that you can send chunked data, we can receive chunked data.

Are you trying to send data in small pieces ?

[PasinduKollure]

Hi @PasinduKollure / currently I don't think that you can send chunked data, we can receive chunked data.

Are you trying to send data in small pieces ?

Hi @bsergean, I want to send chunked data in “transfer-encoding: chunked” since the endpoint is expecting the “transfer-encoding: chunked” header.

[bsergean]

This isn't supported now. You can try to make PR if you're like to add support for it.

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