The second-transfer package

[Tags:bsd3, library, test]

Second Transfer HTTP/2 web server

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Dependencies attoparsec (>=0.12), base (>=4.7 && <=4.9), base16-bytestring (>=0.1.1), binary (>=, BoundedChan (>=1.0.3), bytestring (>=0.10.4), clock (>=0.6), conduit (>=1.2.4 && <1.3), containers (>=0.5.5), deepseq (>=1.4.1), exceptions (==0.8.*), hashable (>=1.2), hashtables (==1.2.*), http2 (>=1.0.2 && <1.4), lens (>=4.7), mmorph (>=1.0), network (==2.6.*), network-uri (==2.6.*), pqueue (>=1.3.0), resourcet (>=1.1), stm (>=2.3), text (==1.2.*), time (>=1.5.0 && <1.8), transformers (>=0.3 && <=0.5), vector (>=0.10 && <0.13), vector-algorithms (>=0.7) [details]
License BSD3
Copyright Copyright 2015, Alcides Viamontes Esquivel
Author Alcides Viamontes Esquivel
Category Network
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Source repository head: git clone
this: git clone v0.10.0.4)
Uploaded Sat Feb 27 08:52:22 UTC 2016 by dsign
Distributions NixOS:
Downloads 1679 total (32 in the last 30 days)
1 []
Status Docs uploaded by user
Build status unknown [no reports yet]
Hackage Matrix CI




debugEnable debug supportDisabledAutomatic
enable-botanEnable Botan (No TLS support without this)DisabledAutomatic
misc-executablesCompile helpers for developmentDisabledAutomatic

Use -f <flag> to enable a flag, or -f -<flag> to disable that flag. More info


Maintainer's Corner

For package maintainers and hackage trustees

Readme for second-transfer

Readme for second-transfer-

Developer README


This is a library for creating HTTP/2 servers.

To see some introductory docs, please check the Hackage page or the file hs-src/SecondTransfer.hs.

Supported platforms

At the moment, we support both Linux and Mac OS X. We haven't tested the library in Windows, but off the top of my head I can not think on any too Unix specific thing that we are using.

Building and installing

The preferred method of installing SecondTransfer is through Stack. SecondTransfer uses Botan for its TLS layer, but the default build disables the library to play nice with Stack's build servers. Enable it by installing Botan in your preferred location, switching on the flag enable-botan (you can do that in your stack.yaml file) and adjusting the necessary include directories (through extra-include-dirs and extra-lib-dirs, also in stack.yaml).

We use a extensible TLS mechanism, so if you would rather use a recent version of OpenSSL, look for the typeclass TLSContext and implement it.

Running the tests

There are two sets of tests: normal Haskell tests and a custom test suite called Suite 1 that requires Stack, Python 3.4+, Redis running in localhost/standard port with DB 3 erasable, and Numpy. To run Suite 1, SecondTransfer should be compiled with the "Monitoring" flag enabled.


There is a very basic example at tests/tests-hs-src/compiling_ok.hs, and a somewhat more complicated one at examples/attempt_bust; that one shows how to do HTTP/2.0 push from the library.


Uploading documentation (provided you have access to the package in Hackage):

$ ./ second-transfer <hackage-user> <hackage-password>