model

type Application struct {
	Name             string       // Process name (e.g., Chrome)
	Exe              string       // Full path to executable (e.g., /usr/bin/chrome)
	PIDs             []int32      // All PIDs running this app
	Connections      []Connection // All connections across all PIDs
	EstablishedCount int          // Number of ESTABLISHED connections
	ListenCount      int          // Number of LISTEN connections
}

type Connection struct {
	PID         int32           // Process ID owning this connection
	Protocol    Protocol        // TCP or UDP
	LocalAddr   string          // e.g., 127.0.0.1:52341
	RemoteAddr  string          // e.g., 142.250.80.46:443 or * for listening
	State       ConnectionState // e.g., ESTABLISHED, LISTEN, - for UDP
	Container   *ContainerInfo  // Docker container info (nil for non-Docker)
	PortMapping *PortMapping    // Docker port mapping (nil if no mapping)
}

type ConnectionKey struct {
	ProcessName string
	LocalAddr   string
	RemoteAddr  string
}

type ConnectionState string

type ContainerInfo struct {
	Name  string // Container name (e.g., "nginx-proxy")
	Image string // Image tag (e.g., "nginx:latest")
	ID    string // Short container ID
}

type NetIOStats struct {
	BytesSent uint64    // Total bytes sent
	BytesRecv uint64    // Total bytes received
	UpdatedAt time.Time // When these stats were last updated
}

type NetworkSnapshot struct {
	Applications []Application
	Timestamp    time.Time
	SkippedCount int // Number of connections skipped due to unknown process
}

type PortMapping struct {
	HostPort      int    // Port on the host (e.g., 8080)
	ContainerPort int    // Port inside the container (e.g., 80)
	Protocol      string // "tcp" or "udp"
}

type Protocol string

type SelectionID struct {
	ProcessName   string
	ConnectionKey *ConnectionKey
}

type VirtualContainer struct {
	Info         ContainerInfo
	PortMappings []PortMapping
}