package engine import ( "context" "github.com/apernet/OpenGFW/io" "github.com/apernet/OpenGFW/ruleset" ) // Engine is the main engine for OpenGFW. type Engine interface { // UpdateRuleset updates the ruleset. UpdateRuleset(ruleset.Ruleset) error // Run runs the engine, until an error occurs or the context is cancelled. Run(context.Context) error } // Config is the configuration for the engine. type Config struct { Logger Logger IOs []io.PacketIO Ruleset ruleset.Ruleset Workers int // Number of workers. Zero or negative means auto (number of CPU cores). WorkerQueueSize int WorkerTCPMaxBufferedPagesTotal int WorkerTCPMaxBufferedPagesPerConn int WorkerUDPMaxStreams int } // Logger is the combined logging interface for the engine, workers and analyzers. type Logger interface { WorkerStart(id int) WorkerStop(id int) TCPStreamNew(workerID int, info ruleset.StreamInfo) TCPStreamPropUpdate(info ruleset.StreamInfo, close bool) TCPStreamAction(info ruleset.StreamInfo, action ruleset.Action, noMatch bool) UDPStreamNew(workerID int, info ruleset.StreamInfo) UDPStreamPropUpdate(info ruleset.StreamInfo, close bool) UDPStreamAction(info ruleset.StreamInfo, action ruleset.Action, noMatch bool) ModifyError(info ruleset.StreamInfo, err error) AnalyzerDebugf(streamID int64, name string, format string, args ...interface{}) AnalyzerInfof(streamID int64, name string, format string, args ...interface{}) AnalyzerErrorf(streamID int64, name string, format string, args ...interface{}) }