[Src && Example && CI/CD] Make it adapt to UNIX, fix some bugs and implement RPC module #267

	name: C/C++ CI

	on:
	push:
	branches:
	- '*'
	pull_request:
	branches:
	- '*'

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: init
	run: mkdir build
	- name: Install Protobuf
	run: sudo apt-get install libtool pkg-config && sudo apt-get install protobuf-compiler libprotobuf-dev
	- name: Install gtest manually
	run: sudo apt-get install libgtest-dev && cd /usr/src/gtest && sudo cmake CMakeLists.txt && sudo make && sudo cp lib/*.a /usr/lib && sudo ln -s /usr/lib/libgtest.a /usr/local/lib/libgtest.a && sudo ln -s /usr/lib/libgtest_main.a /usr/local/lib/libgtest_main.a
	- name: Install llhttp manually
	working-directory: ${{github.workspace}}/..
	run: git clone https://github.com/nodejs/llhttp.git && cd llhttp && sudo apt-get install npm && npm install && make && sudo make install
	- name: cmake
	working-directory: build
	run: \|
	export CMAKE_PREFIX_PATH=/usr/local/:/usr/:$CMAKE_PREFIX_PATH:/
	cmake ..
	- name: make
	working-directory: build
	run: make
	- name: gtest
	working-directory: ${{github.workspace}}/build/output/bin
	# Execute tests defined by the CMake configuration.
	# See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
	run: \|
	for unittest in `ls *unittest`
	do
	./${unittest}
	done

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