How to start with Visual Studio Code
How to start with Visual Studio Code
Linux Solution
Environment
Ubuntu 22.04
Visual Studio Code 1.96.2
Install the requirements
sudo apt -y install cmake
sudo apt -y install ninja-buildInstall Visual Studio Code
Follow the Ref. 2.
Clone ns-3 project
git clone https://gitlab.com/nsnam/ns-3-dev.gitOpen Visual Studio Code and do some configurations
Install some plugins:
Open ns-3 project and configure it.
Press Ctrl+shift+P key and select:
Choose existed kit in your computer:
Then you can see cmake begin to work.
In order to see some output, set the CMAKE_BUILD_TYPE to Debug:
Press Ctrl+shift+P key and select:
In order to build the official examples, set the NS3_EXAMPLES to ON:
Build the project
Test ns-3
Open examples/tutorial/first.cc , run it.
Other configurations
The performance of the original Visual Studio Code C/C++ IntelliSense engine is not very good. We can use the clangd plugin as an alternative.
You also need to ensure that clangd is installed on your system. If not, try:
sudo apt -y install clangdThen, disable the original Visual Studio Code C/C++ IntelliSense engine:
The ns-3 official offers coding styles, you can install some plugins and enable formatting on save:
However, if both clangd and Clang-Format are installed simultaneously, the formatter may not work properly because there are two formatters. Here, you can select a default formatter:
How to pass environment variables and program arguments to the program in Visual Studio Code while using CMake
Add the following configuration to .vscode/settings.json :
"cmake.debugConfig": {
"args": [
"--traceFile=/home/h3c/ns-3-dev/scratch/ns-3-vanet-scratch/area1ns2mobility.tcl",
"--configFile=/home/h3c/ns-3-dev/scratch/ns-3-vanet-scratch/area1ns2config.tcl",
"--rsuNum=4"
],
},
"cmake.environment": {
"NS_LOG": "experiment=debug:VehicleApp=debug:RsuApp=debug"
}
How to run or debug program
