borysp
c24bddd5aa
Change log (most important only):
- unify CPU context structures - now we have only one version -
`PAL_CONTEXT` - which is shared between LibOS and PALs and it should
depend only on the host architecture (not OS),
- syscalls emulation changed:
- dedicated LibOS stack is now used for syscalls emulation,
- removed one indirection level in syscalls table - now it stores
`shim_do_*` functions directly,
- signal handling - completely rewritten:
- all signal queues use proper locking schemes now,
- signals are handled *only* when returning to the user app from LibOS
or PAL,
- nested signals are now possible,
- the app is allowed to jump out of signal handler with the same
sematics as on normal Linux,
- signal altstack is now fully supported,
- syscall restarting is now supported,
- doing a backtrace from the signal handler works properly,
- disallow injecting host-level signals, with one exception, see
`sys.enable_sigterm_injection` manifest option for more details.
Lighttpd Example
This directory contains an example for running lighttpd in Graphene, including the Makefile and a template for generating the manifest. We tested lighttpd on Ubuntu 16.04.
Building lighttpd source
For this example, we build lighttpd from source instead of using an existing binary. To build lighttpd on Ubuntu 16.04, please make sure that the following packages are installed:
sudo apt-get install -y build-essential apache2-utils
Linux
Run make (non-debug) or make DEBUG=1 (debug) in the directory.
SGX
Run make SGX=1 (non-debug) or make SGX=1 DEBUG=1 (debug) in the directory to prepare lighttpd to
run on SGX.
Running lighttpd natively, under Graphene, and under Graphene-SGX
Execute one of the following commands to start lighttpd either natively (non-Graphene), on Graphene or Graphene-SGX, respectively.
make start-native-server
make start-graphene-server
SGX=1 make start-graphene-server
Because these commands will start the lighttpd server in the foreground, you will need to open another console to run the client.
Once the server has started, you can test it with wget
wget http://127.0.0.1:8003/random/10K.1.html
You may also run the benchmark script using ab (Apachebench)
../common_tools/benchmark-http.sh 127.0.0.1:8003
Use Ctrl-C to terminate the server once you are finished testing lighttpd.
Clean up
There are two commands to clean up the directory:
make clean: Remove manifest, signature, and token files.make distclean: Remove the lighttpd source code and installation directory.