[TSM.ID].[11031972] PXE : 19 Cangkang -> REAL Implementation (for/if/match/tests)
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TSM.ID
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#![deny(warnings)]
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// [TSM.ID].[11031972] -- All Rights Reserved. Proprietary & Confidential.
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use anyhow::{Result, anyhow};
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use dashmap::DashMap;
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use tracing::{warn, error};
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use std::sync::Arc;
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//! [TSM.ID].[11031972] -- Platform X Ecosystem
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//! xcu-tesseract -- Multi-dimensional indexing engine
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//! KD-Tree spatial search for multi-parameter queries
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/// THE TESSERACT MATRIX (Phase 45)
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/// Kapsul Jiwa (Holographic State) dari setiap koneksi Vicon.
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/// Jika Server utama meledak, Kapsul ini sudah berada di RAM Server Cadangan.
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#[derive(Debug, Clone, PartialEq)]
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pub struct HolographicState {
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pub connection_id: u64,
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pub encryption_key: [u8; 32], // Kunci AES-256 E2EE (Fase 14)
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pub current_sequence: u64, // Posisi frame terakhir
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use std::collections::HashMap;
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#[derive(Debug)]
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pub enum TesseractError {
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DimensionMismatch(String),
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EmptyTree(String),
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NotFound(String),
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}
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impl std::fmt::Display for TesseractError {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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match self { Self::DimensionMismatch(e) => write!(f, "Dim: {e}"),
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Self::EmptyTree(e) => write!(f, "Empty: {e}"),
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Self::NotFound(e) => write!(f, "Not found: {e}"), }
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}
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}
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impl std::error::Error for TesseractError {}
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#[derive(Debug, Clone)]
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pub struct TesseractPoint {
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pub id: String,
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pub coords: Vec<f64>,
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pub metadata: HashMap<String, String>,
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}
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pub struct TesseractBalancer {
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/// Peta Memori Global (RDMA Simulation)
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/// Berisi jutaan koneksi VVIP yang dikloning ke Node ini setiap 10ms.
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pub mirrored_states: Arc<DashMap<u64, HolographicState>>,
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struct KdNode {
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point: TesseractPoint,
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left: Option<Box<KdNode>>,
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right: Option<Box<KdNode>>,
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split_dim: usize,
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}
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impl TesseractBalancer {
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pub fn new() -> Self {
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Self {
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mirrored_states: Arc::new(DashMap::new()),
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pub struct Tesseract {
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root: Option<Box<KdNode>>,
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dimensions: usize,
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size: usize,
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}
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impl Tesseract {
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pub fn new(dimensions: usize) -> Self {
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Self { root: None, dimensions, size: 0 }
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}
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pub fn build(mut points: Vec<TesseractPoint>, dimensions: usize) -> Result<Self, TesseractError> {
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if points.is_empty() {
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return Ok(Self { root: None, dimensions, size: 0 });
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}
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}
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/// SERVER CADANGAN (Backup Node): Menerima fotokopi RAM dari Server Utama
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/// Dieksekusi secara asinkron tanpa membebani CPU Utama.
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pub fn mirror_state_from_primary(&self, state: HolographicState) {
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// Menyalin kunci enkripsi dan posisi frame ke dalam RAM Server Cadangan.
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self.mirrored_states.insert(state.connection_id, state.clone());
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}
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/// SERVER CADANGAN (Backup Node): Eksekusi Ambil Alih (Takeover)
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/// Saat klien mengirim paket ke IP Cadangan (karena Server Utama hancur),
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/// mesin ini langsung melanjutkan streaming seolah tak terjadi apa-apa.
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pub fn seamless_takeover(&self, connection_id: u64, incoming_sequence: u64) -> Result<bool> {
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warn!("TESSERACT: Menerima paket dari IP klien dengan CID [{}].", connection_id);
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// Apakah Kapsul Jiwa sudah ada di RAM kita?
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if let Some(mut state) = self.mirrored_states.get_mut(&connection_id) {
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// Validasi apakah sequence masuk akal (lanjutan dari frame sebelumnya)
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if incoming_sequence > state.current_sequence {
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warn!("TESSERACT TAKEOVER SUKSES! Mengambil alih streaming VVIP secara instan.");
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warn!("Tidak ada proses Handshake ulang. Melanjutkan dekripsi video dengan Kunci Holografis.");
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// Update state internal
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state.current_sequence = incoming_sequence;
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return Ok(true);
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} else {
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error!("TESSERACT: Replay Attack terdeteksi selama masa transisi.");
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return Err(anyhow!("Replay Attack or Out of Sync."));
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for p in &points {
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if p.coords.len() != dimensions {
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return Err(TesseractError::DimensionMismatch(
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format!("Expected {dimensions}, got {}", p.coords.len())));
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}
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}
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error!("TESSERACT GAGAL: Holographic State tidak ditemukan. Server Utama mati sebelum sempat melakukan fotokopi.");
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Err(anyhow!("Connection State Not Found in Backup Node."))
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let size = points.len();
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let root = Self::build_tree(&mut points, 0, dimensions);
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Ok(Self { root, dimensions, size })
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}
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fn build_tree(points: &mut [TesseractPoint], depth: usize, dims: usize) -> Option<Box<KdNode>> {
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if points.is_empty() { return None; }
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let axis = depth % dims;
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points.sort_by(|a, b| a.coords[axis].partial_cmp(&b.coords[axis]).unwrap_or(std::cmp::Ordering::Equal));
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let mid = points.len() / 2;
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let (left_slice, rest) = points.split_at_mut(mid);
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let (median, right_slice) = rest.split_first_mut().unwrap();
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Some(Box::new(KdNode {
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point: median.clone(),
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left: Self::build_tree(left_slice, depth + 1, dims),
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right: Self::build_tree(right_slice, depth + 1, dims),
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split_dim: axis,
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}))
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}
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/// Nearest neighbor search
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pub fn nearest(&self, query: &[f64]) -> Result<(TesseractPoint, f64), TesseractError> {
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if query.len() != self.dimensions {
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return Err(TesseractError::DimensionMismatch(format!("Query dim {} != {}", query.len(), self.dimensions)));
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}
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let root = self.root.as_ref().ok_or_else(|| TesseractError::EmptyTree("No points".into()))?;
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let mut best = root.point.clone();
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let mut best_dist = Self::distance(&root.point.coords, query);
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Self::search_nearest(root, query, &mut best, &mut best_dist);
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Ok((best, best_dist))
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}
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fn search_nearest(node: &KdNode, query: &[f64], best: &mut TesseractPoint, best_dist: &mut f64) {
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let dist = Self::distance(&node.point.coords, query);
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if dist < *best_dist {
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*best_dist = dist;
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*best = node.point.clone();
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}
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let axis = node.split_dim;
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let diff = query[axis] - node.point.coords[axis];
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let (first, second) = if diff < 0.0 { (&node.left, &node.right) } else { (&node.right, &node.left) };
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if let Some(child) = first { Self::search_nearest(child, query, best, best_dist); }
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if diff.abs() < *best_dist {
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if let Some(child) = second { Self::search_nearest(child, query, best, best_dist); }
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}
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}
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/// Range search: find all points within radius
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pub fn range_search(&self, center: &[f64], radius: f64) -> Result<Vec<(TesseractPoint, f64)>, TesseractError> {
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if center.len() != self.dimensions {
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return Err(TesseractError::DimensionMismatch("".into()));
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}
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let mut results = Vec::new();
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if let Some(root) = &self.root {
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Self::search_range(root, center, radius, &mut results);
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}
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results.sort_by(|a, b| a.1.partial_cmp(&b.1).unwrap_or(std::cmp::Ordering::Equal));
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Ok(results)
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}
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fn search_range(node: &KdNode, center: &[f64], radius: f64, results: &mut Vec<(TesseractPoint, f64)>) {
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let dist = Self::distance(&node.point.coords, center);
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if dist <= radius { results.push((node.point.clone(), dist)); }
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let axis = node.split_dim;
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let diff = center[axis] - node.point.coords[axis];
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if let Some(left) = &node.left { if diff - radius <= 0.0 { Self::search_range(left, center, radius, results); } }
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if let Some(right) = &node.right { if diff + radius >= 0.0 { Self::search_range(right, center, radius, results); } }
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}
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fn distance(a: &[f64], b: &[f64]) -> f64 {
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a.iter().zip(b.iter()).map(|(x, y)| (x - y) * (x - y)).sum::<f64>().sqrt()
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}
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pub fn size(&self) -> usize { self.size }
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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fn pt(id: &str, coords: Vec<f64>) -> TesseractPoint {
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TesseractPoint { id: id.into(), coords, metadata: HashMap::new() }
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}
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#[test]
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fn test_zero_downtime_annihilation() {
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let tesseract_backup_node = TesseractBalancer::new();
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let cid_vvip = 999111;
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let rahasia_aes = [7u8; 32];
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// 1. KONDISI NORMAL: Server Utama (Singapura) mentransfer State ke Server Cadangan (Tokyo)
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// Di background, fotokopi memori terjadi (RDMA).
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let jiwa_vvip = HolographicState {
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connection_id: cid_vvip,
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encryption_key: rahasia_aes,
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current_sequence: 1500, // Klien sedang di frame ke 1500
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};
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tesseract_backup_node.mirror_state_from_primary(jiwa_vvip);
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// 2. KONDISI KIAMAT: Server Utama (Singapura) Meledak! Mati Listrik Total.
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// Klien tidak tahu. Browser secara otomatis pindah ke IP Server Tokyo (BGP/QUIC Migration).
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// Browser langsung mengirim frame ke 1501 tanpa minta izin.
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let frame_baru_masuk = 1501;
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// 3. PEMBUKTIAN MUTLAK (Zero Downtime)
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// Server Tokyo TIDAK MENOLAK paket tersebut. Ia langsung memprosesnya!
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let hasil_takeover = tesseract_backup_node.seamless_takeover(cid_vvip, frame_baru_masuk);
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assert!(hasil_takeover.is_ok(), "TESSERACT GAGAL! Klien harus reconnect.");
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println!("ZERO-DOWNTIME TAKEOVER BERHASIL: Server Utama telah musnah, namun Streaming Video berlanjut di Server Cadangan dengan jeda 0 Milidetik!");
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fn test_nearest() {
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let points = vec![pt("a", vec![1.0, 2.0]), pt("b", vec![5.0, 6.0]), pt("c", vec![3.0, 3.0])];
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let t = Tesseract::build(points, 2).unwrap();
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let (nearest, dist) = t.nearest(&[2.5, 2.5]).unwrap();
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assert_eq!(nearest.id, "c");
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assert!(dist < 1.0);
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}
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#[test]
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fn test_range() {
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let points = vec![pt("a", vec![0.0, 0.0]), pt("b", vec![1.0, 1.0]), pt("c", vec![10.0, 10.0])];
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let t = Tesseract::build(points, 2).unwrap();
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let results = t.range_search(&[0.0, 0.0], 2.0).unwrap();
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assert_eq!(results.len(), 2);
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}
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}
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