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Features.md

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Features

qlog

Based on qlog (draft-ietf-quic-qlog-main-schema, draft-ietf-quic-qlog-quic-events and draft-ietf-quic-qlog-h3-events)，xquic implements quic event logging.

Activate qlog by DXQC_ENABLE_EVENT_LOG

cd build
rm -rf * 
# add "-DXQC_ENABLE_EVENT_LOG=1"
cmake -DGCOV=on -DCMAKE_BUILD_TYPE=Debug -DXQC_ENABLE_TESTING=1 -DXQC_SUPPORT_SENDMMSG_BUILD=1 -DXQC_ENABLE_EVENT_LOG=1 -DXQC_ENABLE_BBR2=1 -DXQC_ENABLE_RENO=1 -DSSL_TYPE=${SSL_TYPE_STR} -DSSL_PATH=${SSL_PATH_STR} ..

make -j

Example

Qlog defines three event importance levels, in decreasing order of importance and expected usage: core, base, extra. The level can be set by "--qlog_importance" argument：

./tests/test_server -l e -e --qlog_importance extra

./tests/test_client -s 10240 -l e -t 1 -E --qlog_importance extra

To disable qlog, using "--qlog_disable":

./tests/test_server -l e -e --qlog_disable

./tests/test_client -s 10240 -l e -t 1 -E --qlog_disable

JSON format serialization

python ../scripts/qlog_parser.py --clog clog --slog slog --qlog_path demo_qlog.json