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129 lines
4.3 KiB
Markdown
129 lines
4.3 KiB
Markdown
This page explains how to set Crow up for use with your project.
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##Requirements
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- C++ compiler with C++14 support.
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- Continuous Testing on g++-9.3 and clang-7.0, AMD64 (x86_64) and Arm64 v8
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- boost library (1.70 or later).
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- (optional) CMake and Python3 to build tests and/or examples.
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- (optional) Linking with jemalloc/tcmalloc is recommended for speed.
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<br><br>
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##Installing Requirements
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###Ubuntu
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`sudo apt-get install libboost-all-dev`
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###OSX
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`brew install boost`
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###Windows
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Download boost from [here](https://www.boost.org/) and install it
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##Downloading
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Either run `git clone https://github.com/crowcpp/crow.git` or download `crow_all.h` from the releases section. You can also download a zip of the project on github.
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##Includes folder
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1. Copy the `/includes` folder to your project's root folder.
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2. Add `#!cpp #include "path/to/includes/crow.h"` to your `.cpp` file.
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3. For any middlewares, add `#!cpp #include "path/to/includes/middlewares/some_middleware.h"`.
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<br><br>
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##Single header file
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If you've downloaded `crow_all.h`, you can skip to step 4.
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1. Make sure you have python 3 installed.
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2. Open a terminal (or `cmd.exe`) instance in `/path/to/crow/scripts`.
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3. Run `python merge_all.py ../include crow_all.h` (replace `/` with `\` if you're on Windows).
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4. Copy the `crow_all.h` file to where you put your libraries (if you don't know where this is, you can put it anywhere).
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5. Add `#!cpp #include "path/to/crow_all.h"` to your `.cpp` file.
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<br><br>
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**Note**: All middlewares are included with the merged header file, if you would like to include or exclude middlewares use the `-e` or `-i` arguments.
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<br><br>
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##building via CLI
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To build a crow Project, do the following:
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###GCC (G++)
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- Release: `g++ main.cpp -lpthread -lboost_system -lz`.
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- Debug: `g++ main.cpp -ggdb -lpthread -lboost_system -lz -D CROW_ENABLE_DEBUG`.
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- SSL: `g++ main.cpp -lssl -lcrypto -lpthread -lboost_system -lz -D CROW_ENABLE_SSL`.
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###Clang
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- Release: `clang++ main.cpp -lpthread -lboost_system -lz`.
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- Debug: `clang++ main.cpp -g -lpthread -lboost_system -lz -DCROW_ENABLE_DEBUG`.
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- SSL: `clang++ main.cpp -lssl -lcrypto -lpthread -lboost_system -lz -DCROW_ENABLE_SSL`.
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###Microsoft Visual Studio 2019 (`example_with_all.cpp`)
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1. Generate `crow_all.h` following [Single header file](#single-header-file).
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2. `git clone https://github.com/microsoft/vcpkg.git`
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3. `.\vcpkg\bootstrap-vcpkg.bat`
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4. `.\vcpkg\vcpkg integrate install`
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5. Create empty Visual Studio project.
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6. In solution explorer, right click the name of your project then click `Open Folder in File Explorer`.
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7. Copy `crow_all.h`, `example_with_all.cpp`, `vcpkg.json` to opened folder.
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8. Add `crow_all.h` to `Header Files` and `example_with_all.cpp` to `Source Files`.
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9. In solution explorer, right click the name of your project then click `Properties`.
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10. Under `vcpkg`, set `Use Vcpkg Manifest` to `Yes` and `Additional Options` to `--feature-flags="versions"`.
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11. Set `Debug/Release` and `x64/x86`.
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12. Run.
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##building via CMake
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Add the following to your `CMakeLists.txt`:
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``` cmake linenums="1"
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find_package(Threads)
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find_package(ZLIB)
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find_package(OpenSSL)
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if(OPENSSL_FOUND)
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include_directories(${OPENSSL_INCLUDE_DIR})
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endif()
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if (NOT CMAKE_BUILD_TYPE)
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message(STATUS "No build type selected, default to Release")
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set(CMAKE_BUILD_TYPE "Release")
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endif()
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if (MSVC)
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set(Boost_USE_STATIC_LIBS "On")
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find_package( Boost 1.70 COMPONENTS system thread regex REQUIRED )
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else()
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find_package( Boost 1.70 COMPONENTS system thread REQUIRED )
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endif()
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include_directories(${Boost_INCLUDE_DIR})
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set(PROJECT_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/include)
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include_directories("${PROJECT_INCLUDE_DIR}")
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```
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**Note**: The last 2 lines are unnecessary if you're using `crow_all.h`.
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##Building Crow tests and examples
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Out-of-source build with CMake is recommended.
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```
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mkdir build
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cd build
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cmake ..
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make
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```
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Running Cmake will create `crow_all.h` file and place it in the build directory.<br>
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You can run tests with following command:
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```
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ctest -V
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```
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##Installing Crow
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if you wish to use Crow globally without copying `crow_all.h` in your projects, you can install Crow on your machine with the procedure below.
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```
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mkdir build
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cd build
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cmake ..
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make install
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```
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`make install` will copy `crow_all.h` automatically in your `/usr/local/include` thus making it available globally for use.<br>
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