presets

type Preset struct {
	Name                string           `yaml:"name"`
	Type                PresetType       `yaml:"type"`
	PacketSize          RangeInt         `yaml:"packet_size"`           // Packet size in bytes
	PacketsPerSecond    RangeInt         `yaml:"packets_per_sec"`       // PPS rate
	UploadDownloadRatio float64          `yaml:"upload_download_ratio"` // e.g. 0.5 for 1:2
	SessionDuration     RangeDuration    `yaml:"session_duration"`      // Time before switching
	Patterns            []TrafficPattern `yaml:"patterns,omitempty"`    // Specific traffic patterns
}

type PresetType string

type RangeDuration struct {
	Min time.Duration `yaml:"min"`
	Max time.Duration `yaml:"max"`
}

type RangeInt struct {
	Min int `yaml:"min"`
	Max int `yaml:"max"`
}

type TrafficPattern struct {
	Type     string        `yaml:"type"`     // e.g., "burst", "constant", "idle"
	Duration RangeDuration `yaml:"duration"` // How long this pattern lasts
	Interval RangeDuration `yaml:"interval"` // Time between repetitions
}