init: fork

config.go

@@ -0,0 +1,60 @@
+package mellaris
+
+import (
+	"github.com/DifuseHQ/Mellaris/analyzer"
+	"github.com/DifuseHQ/Mellaris/engine"
+	gfwio "github.com/DifuseHQ/Mellaris/io"
+	"github.com/DifuseHQ/Mellaris/modifier"
+	"github.com/DifuseHQ/Mellaris/ruleset"
+)
+
+// Config defines IO, worker, and ruleset settings for the engine.
+type Config struct {
+	IO      IOConfig      `mapstructure:"io" yaml:"io"`
+	Workers WorkersConfig `mapstructure:"workers" yaml:"workers"`
+	Ruleset RulesetConfig `mapstructure:"ruleset" yaml:"ruleset"`
+}
+
+// IOConfig configures packet IO.
+type IOConfig struct {
+	QueueSize   uint32 `mapstructure:"queueSize" yaml:"queueSize"`
+	ReadBuffer  int    `mapstructure:"rcvBuf" yaml:"rcvBuf"`
+	WriteBuffer int    `mapstructure:"sndBuf" yaml:"sndBuf"`
+	Local       bool   `mapstructure:"local" yaml:"local"`
+	RST         bool   `mapstructure:"rst" yaml:"rst"`
+
+	// PacketIO overrides NFQueue creation when set.
+	// When provided, App.Close will call PacketIO.Close.
+	PacketIO gfwio.PacketIO `mapstructure:"-" yaml:"-"`
+}
+
+// WorkersConfig configures engine worker behavior.
+type WorkersConfig struct {
+	Count                      int `mapstructure:"count" yaml:"count"`
+	QueueSize                  int `mapstructure:"queueSize" yaml:"queueSize"`
+	TCPMaxBufferedPagesTotal   int `mapstructure:"tcpMaxBufferedPagesTotal" yaml:"tcpMaxBufferedPagesTotal"`
+	TCPMaxBufferedPagesPerConn int `mapstructure:"tcpMaxBufferedPagesPerConn" yaml:"tcpMaxBufferedPagesPerConn"`
+	UDPMaxStreams              int `mapstructure:"udpMaxStreams" yaml:"udpMaxStreams"`
+}
+
+// RulesetConfig configures built-in rule helpers.
+type RulesetConfig struct {
+	GeoIp   string `mapstructure:"geoip" yaml:"geoip"`
+	GeoSite string `mapstructure:"geosite" yaml:"geosite"`
+}
+
+// Options configures rules, analyzers, modifiers, and logging.
+type Options struct {
+	// RulesFile is a YAML rules file on disk. Mutually exclusive with Rules.
+	RulesFile string
+	// Rules provides inline expression rules. Mutually exclusive with RulesFile.
+	Rules []ruleset.ExprRule
+
+	// Analyzers and Modifiers default to built-ins when nil.
+	Analyzers []analyzer.Analyzer
+	Modifiers []modifier.Modifier
+
+	// EngineLogger and RulesetLogger default to no-op loggers when nil.
+	EngineLogger  engine.Logger
+	RulesetLogger ruleset.Logger
+}