// Package session builds the session/ file tree for the 9P namespace.
// The tree IS the session collection — rootState holds the sessions map.
// Package functions for lifecycle, lookup, and enumeration.
package session

import (
	"olliesrv/fs"
)

// Get returns the Session for id, or nil.
func Get(root *fs.Tree, id string) *Session {
	return Lookup(root, id)
}

// All returns all active sessions.
func All(root *fs.Tree) []*Session {
	rs := state(root)
	rs.mu.RLock()
	defer rs.mu.RUnlock()
	sessions := make([]*Session, 0, len(rs.sessions))
	for _, sess := range rs.sessions {
		sessions = append(sessions, sess)
	}
	return sessions
}