We decided to merge the sample app integrations submodule back because working with git submodules turned out to be really painful. The only blocker for this was the fact, that previously it contained a lot of binary blobs and copy-pasted sources, but this was cleaned up recently. Credits: (authors of particular integration examples, extracted from commits and PR history in https://github.com/oscarlab/graphene-tests) apache: Chia-Che Tsai <chiache@tamu.edu>, Dmitrii Kuvaiskii <dmitrii.kuvaiskii@intel.com> bash: Chia-Che Tsai <chiache@tamu.edu>, Dmitrii Kuvaiskii <dmitrii.kuvaiskii@intel.com> blender: borysp <borysp@invisiblethingslab.com> busybox: borysp <borysp@invisiblethingslab.com> capnproto: Dmitrii Kuvaiskii <dmitrii.kuvaiskii@intel.com> curl: Dmitrii Kuvaiskii <dmitrii.kuvaiskii@intel.com> gcc: Thomas Knauth <thomas.knauth@intel.com> lighttpd: Chia-Che Tsai <chiache@tamu.edu>, Thomas Knauth <thomas.knauth@intel.com> lmbench: Chia-Che Tsai <chiache@tamu.edu> memcached: Dmitrii Kuvaiskii <dmitrii.kuvaiskii@intel.com> nginx: Dmitrii Kuvaiskii <dmitrii.kuvaiskii@intel.com> nodejs: jack.wxz <jack.wxz@alibaba-inc.com> nodejs-express-server: Eduardo Rodriguez <erodrig@us.ibm.com> openvino: Dmitrii Kuvaiskii <dmitrii.kuvaiskii@intel.com> python-scipy-insecure: Chia-Che Tsai <chiache@tamu.edu>, Dmitrii Kuvaiskii <dmitrii.kuvaiskii@intel.com> python-simple: Chia-Che Tsai <chiache@tamu.edu>, Dmitrii Kuvaiskii <dmitrii.kuvaiskii@intel.com> pytorch: Thomas Knauth <thomas.knauth@intel.com> r: Chia-Che Tsai <chiache@tamu.edu> redis: Dmitrii Kuvaiskii <dmitrii.kuvaiskii@intel.com> tensorflow: Thomas Knauth <thomas.knauth@intel.com> LTP was moved to LibOS/shim/test/ltp. It was recently rewritten by Wojtek Porczyk <woju@invisiblethingslab.com>.
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Apache
This directory contains the Makefile and the template manifest for the most recent version of Apache web server (as of this writing, version 2.4.41). This was tested on a machine with SGX v1 and Ubuntu 16.04.
The Makefile and the template manifest contain extensive comments. Please review them to understand the requirements for Apache running under Graphene-SGX.
We build Apache from the source code instead of using an existing installation. On Ubuntu 16.04, please make sure that the following packages are installed:
sudo apt-get install -y build-essential flex libapr1-dev libaprutil1-dev libpcre2-dev \
apache2-utils libssl-dev
Quick Start
# build Apache and the final manifest
make SGX=1
# run original Apache against HTTP and HTTPS benchmarks (benchmark-http.sh, uses ab)
make start-native-server &
./benchmark-http.sh 127.0.0.1:8001
./benchmark-http.sh https://127.0.0.1:8443
kill -SIGINT %%
# run Apache in non-SGX Graphene against HTTP and HTTPS benchmarks
make start-graphene-server &
./benchmark-http.sh 127.0.0.1:8001
./benchmark-http.sh https://127.0.0.1:8443
kill -SIGINT %%
# run Apache in Graphene-SGX against HTTP and HTTPS benchmarks
SGX=1 make start-graphene-server &
./benchmark-http.sh 127.0.0.1:8001
./benchmark-http.sh https://127.0.0.1:8443
kill -SIGINT %%
# you can also test the server using other utilities like wget
wget http://127.0.0.1:8001/random/10K.1.html
wget https://127.0.0.1:8443/random/10K.1.html
Running Apache with Different MPMs
The Apache server can run with several different multi-processing modules (MPMs). The two popular ones are Prefork and Worker MPMs. The Prefork MPM uses multiple child processes with one thread each, and each process handles one connection at a time. The Worker MPM uses multiple child processes with many threads each, and each thread handles one connection at a time.
The supplied Makefile allows to run Apache in both configurations:
make start-native-server # run with Prefork MPM
make start-graphene-server # run with Prefork MPM
make start-native-multithreaded-server # run with Worker MPM
make start-graphene-multithreaded-server # run with Worker MPM