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This PR was previously opened as #3245 but was closed before merging. The changes remain the same: updating the custom-logger README with clearer instructions, and guidance on ensuring $GOPATH/bin is in PATH. No new changes were added; this is simply reopening the PR to merge the existing updates. Co-authored-by: sunofcoder <senemumac@Senems-MacBook-Air.local>
custom-logger
custom-logger is an example demonstrating how to override the default logging behavior of the Pion WebRTC stack.
By default, Pion logs everything to stdout.
This example shows how to inject a custom LoggerFactory to handle logs from every subsystem (ICE, DTLS, SCTP, DataChannel...).
Features
- Creates a custom logger that implements
logging.LeveledLogger. - Initializes two peer connections (
offererandanswerer) locally. - Establishes a WebRTC connection between them.
- Logs events from:
ICEcandidate gatheringDTLShandshakeSCTPandDataChannelsetup
- Prints logs with clear prefixes like
customLogger Debug:.
Ideal for:
- Integrate with external monitoring systems
- Store logs to files or databases
- Debug complex WebRTC flows in a structured way
How to run
1. Install the example
go install github.com/pion/webrtc/v4/examples/custom-logger@latest
Make sure $(go env GOPATH)/bin is in your PATH.
You can add it to your PATH like this (zsh):
echo 'export PATH="$PATH:$(go env GOPATH)/bin"' >> ~/.zshrc
source ~/.zshrc
2.Run
custom-logger or go run main.go
Example output
Creating logger for ice
Creating logger for dtls
Peer Connection State has changed: connected (answerer)
Peer Connection State has changed: connected (offerer)
customLogger Debug: Adding a new peer-reflexive candidate: 10.8.21.1:51196
You should see messages from our customLogger, as two PeerConnections start a session