scirs2_core/advanced_distributed_computing/
communication.rs

1//! Distributed communication and messaging
2//!
3//! This module handles all aspects of communication between nodes in the distributed
4//! computing framework, including protocols, routing, security, and optimization.
5
6use super::cluster::NodeId;
7use super::types::DistributedComputingConfig;
8use crate::error::{CoreError, CoreResult};
9use serde::{Deserialize, Serialize};
10use std::collections::HashMap;
11use std::net::SocketAddr;
12use std::time::{Duration, Instant};
13
14/// Distributed communication layer
15#[derive(Debug)]
16pub struct DistributedCommunication {
17    /// Communication protocols
18    #[allow(dead_code)]
19    protocols: Vec<CommunicationProtocol>,
20    /// Message routing
21    #[allow(dead_code)]
22    routing: MessageRouting,
23    /// Security layer
24    #[allow(dead_code)]
25    security: CommunicationSecurity,
26    /// Performance optimization
27    #[allow(dead_code)]
28    optimization: CommunicationOptimization,
29}
30
31/// Communication protocols
32#[derive(Debug, Clone)]
33pub enum CommunicationProtocol {
34    TCP,
35    UDP,
36    HTTP,
37    GRpc,
38    MessageQueue,
39    WebSocket,
40    Custom(String),
41}
42
43/// Message routing
44#[derive(Debug)]
45pub struct MessageRouting {
46    /// Routing table
47    #[allow(dead_code)]
48    routing_table: HashMap<NodeId, RoutingEntry>,
49    /// Message queues
50    #[allow(dead_code)]
51    message_queues: HashMap<NodeId, MessageQueue>,
52    /// Routing algorithms
53    #[allow(dead_code)]
54    routing_algorithms: Vec<RoutingAlgorithm>,
55}
56
57/// Routing entry
58#[derive(Debug, Clone)]
59pub struct RoutingEntry {
60    /// Direct connection
61    pub direct_connection: Option<SocketAddr>,
62    /// Relay nodes
63    pub relay_nodes: Vec<NodeId>,
64    /// Connection quality
65    pub quality_score: f64,
66    /// Last update
67    pub last_updated: Instant,
68}
69
70/// Message queue
71#[derive(Debug)]
72pub struct MessageQueue {
73    /// Pending messages
74    #[allow(dead_code)]
75    pending_messages: Vec<Message>,
76    /// Priority queues
77    #[allow(dead_code)]
78    priority_queues: HashMap<MessagePriority, Vec<Message>>,
79    /// Queue statistics
80    #[allow(dead_code)]
81    statistics: QueueStatistics,
82}
83
84/// Message representation
85#[derive(Debug, Clone)]
86pub struct Message {
87    /// Message ID
88    pub id: MessageId,
89    /// Source node
90    pub source: NodeId,
91    /// Destination node
92    pub destination: NodeId,
93    /// Message type
94    pub messagetype: MessageType,
95    /// Payload
96    pub payload: Vec<u8>,
97    /// Priority
98    pub priority: MessagePriority,
99    /// Timestamp
100    pub timestamp: Instant,
101    /// Expiration time
102    pub expires_at: Option<Instant>,
103}
104
105/// Message identifier
106#[derive(Debug, Clone, Hash, PartialEq, Eq, Serialize, Deserialize)]
107pub struct MessageId(pub String);
108
109/// Message types
110#[derive(Debug, Clone, Serialize, Deserialize)]
111pub enum MessageType {
112    TaskAssignment,
113    TaskResult,
114    Heartbeat,
115    ResourceUpdate,
116    ControlCommand,
117    DataTransfer,
118    ErrorReport,
119}
120
121/// Message priority
122#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
123pub enum MessagePriority {
124    Critical,
125    High,
126    Normal,
127    Low,
128}
129
130/// Queue statistics
131#[derive(Debug, Clone)]
132pub struct QueueStatistics {
133    /// Messages queued
134    pub messages_queued: u64,
135    /// Messages sent
136    pub messages_sent: u64,
137    /// Messages failed
138    pub messages_failed: u64,
139    /// Average queue time
140    pub avg_queue_time: Duration,
141}
142
143/// Routing algorithms
144#[derive(Debug, Clone)]
145pub enum RoutingAlgorithm {
146    ShortestPath,
147    LoadBalanced,
148    LatencyOptimized,
149    BandwidthOptimized,
150    Adaptive,
151}
152
153/// Communication security
154#[derive(Debug)]
155pub struct CommunicationSecurity {
156    /// Encryption settings
157    #[allow(dead_code)]
158    encryption: EncryptionSettings,
159    /// Authentication settings
160    #[allow(dead_code)]
161    authentication: AuthenticationSettings,
162    /// Certificate management
163    #[allow(dead_code)]
164    certificates: CertificateManager,
165    /// Security policies
166    #[allow(dead_code)]
167    policies: SecurityPolicies,
168}
169
170/// Encryption settings
171#[derive(Debug, Clone)]
172pub struct EncryptionSettings {
173    /// Encryption algorithm
174    pub algorithm: EncryptionAlgorithm,
175    /// Key size
176    pub key_size: u32,
177    /// Key exchange method
178    pub key_exchange: KeyExchangeMethod,
179    /// Enable perfect forward secrecy
180    pub enable_pfs: bool,
181}
182
183/// Encryption algorithms
184#[derive(Debug, Clone)]
185pub enum EncryptionAlgorithm {
186    AES256,
187    ChaCha20Poly1305,
188    RSA,
189    ECC,
190}
191
192/// Key exchange methods
193#[derive(Debug, Clone)]
194pub enum KeyExchangeMethod {
195    DiffieHellman,
196    ECDH,
197    RSA,
198    PSK,
199}
200
201/// Authentication settings
202#[derive(Debug, Clone)]
203pub struct AuthenticationSettings {
204    /// Authentication method
205    pub method: AuthenticationMethod,
206    /// Token lifetime
207    pub token_lifetime: Duration,
208    /// Multi-factor authentication
209    pub enable_mfa: bool,
210    /// Certificate validation
211    pub certificate_validation: bool,
212}
213
214/// Authentication methods
215#[derive(Debug, Clone)]
216pub enum AuthenticationMethod {
217    Certificate,
218    Token,
219    Kerberos,
220    OAuth2,
221    Custom(String),
222}
223
224/// Certificate manager
225#[derive(Debug)]
226pub struct CertificateManager {
227    /// Root certificates
228    #[allow(dead_code)]
229    root_certificates: Vec<Certificate>,
230    /// Node certificates
231    #[allow(dead_code)]
232    node_certificates: HashMap<NodeId, Certificate>,
233    /// Certificate revocation list
234    #[allow(dead_code)]
235    revocation_list: Vec<String>,
236}
237
238/// Certificate representation
239#[derive(Debug, Clone)]
240pub struct Certificate {
241    /// Certificate data
242    pub data: Vec<u8>,
243    /// Subject
244    pub subject: String,
245    /// Issuer
246    pub issuer: String,
247    /// Valid from
248    pub valid_from: Instant,
249    /// Valid until
250    pub valid_until: Instant,
251    /// Serial number
252    pub serial_number: String,
253}
254
255/// Security policies
256#[derive(Debug, Clone)]
257pub struct SecurityPolicies {
258    /// Minimum security level
259    pub min_security_level: SecurityLevel,
260    /// Allowed cipher suites
261    pub allowed_cipher_suites: Vec<String>,
262    /// Connection timeout
263    pub connection_timeout: Duration,
264    /// Maximum message size
265    pub max_message_size: usize,
266}
267
268/// Security levels
269#[derive(Debug, Clone)]
270pub enum SecurityLevel {
271    None,
272    Basic,
273    Standard,
274    High,
275    Maximum,
276}
277
278/// Communication optimization
279#[derive(Debug)]
280pub struct CommunicationOptimization {
281    /// Compression settings
282    #[allow(dead_code)]
283    compression: CompressionSettings,
284    /// Bandwidth optimization
285    #[allow(dead_code)]
286    bandwidth_optimization: BandwidthOptimization,
287    /// Latency optimization
288    #[allow(dead_code)]
289    latency_optimization: LatencyOptimization,
290    /// Connection pooling
291    #[allow(dead_code)]
292    connection_pooling: ConnectionPooling,
293}
294
295/// Compression settings
296#[derive(Debug, Clone)]
297pub struct CompressionSettings {
298    /// Compression algorithm
299    pub algorithm: CompressionAlgorithm,
300    /// Compression level
301    pub level: u8,
302    /// Minimum size for compression
303    pub minsize_bytes: usize,
304    /// Enable adaptive compression
305    pub adaptive: bool,
306}
307
308/// Compression algorithms
309#[derive(Debug, Clone)]
310pub enum CompressionAlgorithm {
311    Gzip,
312    Zstd,
313    LZ4,
314    Snappy,
315    Brotli,
316}
317
318/// Bandwidth optimization
319#[derive(Debug, Clone)]
320pub struct BandwidthOptimization {
321    /// Enable message batching
322    pub enable_batching: bool,
323    /// Batch size
324    pub batch_size: usize,
325    /// Batch timeout
326    pub batch_timeout: Duration,
327    /// Enable delta compression
328    pub enable_delta_compression: bool,
329}
330
331/// Latency optimization
332#[derive(Debug, Clone)]
333pub struct LatencyOptimization {
334    /// TCP no delay
335    pub tcp_nodelay: bool,
336    /// Keep alive settings
337    pub keep_alive: bool,
338    /// Connection pre-warming
339    pub connection_prewarming: bool,
340    /// Priority scheduling
341    pub priority_scheduling: bool,
342}
343
344/// Connection pooling
345#[derive(Debug, Clone)]
346pub struct ConnectionPooling {
347    /// Pool size per node
348    pub poolsize_per_node: usize,
349    /// Connection idle timeout
350    pub idle_timeout: Duration,
351    /// Connection reuse limit
352    pub reuse_limit: u32,
353    /// Enable health checking
354    pub enable_health_checking: bool,
355}
356
357// Implementations
358impl DistributedCommunication {
359    pub fn new(config: &DistributedComputingConfig) -> CoreResult<Self> {
360        Ok(Self {
361            protocols: vec![CommunicationProtocol::GRpc, CommunicationProtocol::TCP],
362            routing: MessageRouting {
363                routing_table: HashMap::new(),
364                message_queues: HashMap::new(),
365                routing_algorithms: vec![RoutingAlgorithm::Adaptive],
366            },
367            security: CommunicationSecurity {
368                encryption: EncryptionSettings {
369                    algorithm: EncryptionAlgorithm::AES256,
370                    key_size: 256,
371                    key_exchange: KeyExchangeMethod::ECDH,
372                    enable_pfs: true,
373                },
374                authentication: AuthenticationSettings {
375                    method: AuthenticationMethod::Certificate,
376                    token_lifetime: Duration::from_secs(60 * 60),
377                    enable_mfa: false,
378                    certificate_validation: true,
379                },
380                certificates: CertificateManager {
381                    root_certificates: Vec::new(),
382                    node_certificates: HashMap::new(),
383                    revocation_list: Vec::new(),
384                },
385                policies: SecurityPolicies {
386                    min_security_level: SecurityLevel::High,
387                    allowed_cipher_suites: vec!["TLS_AES_256_GCM_SHA384".to_string()],
388                    connection_timeout: Duration::from_secs(30),
389                    max_message_size: 10 * 1024 * 1024, // 10MB
390                },
391            },
392            optimization: CommunicationOptimization {
393                compression: CompressionSettings {
394                    algorithm: CompressionAlgorithm::Zstd,
395                    level: 3,
396                    minsize_bytes: 1024,
397                    adaptive: true,
398                },
399                bandwidth_optimization: BandwidthOptimization {
400                    enable_batching: true,
401                    batch_size: 100,
402                    batch_timeout: Duration::from_millis(10),
403                    enable_delta_compression: true,
404                },
405                latency_optimization: LatencyOptimization {
406                    tcp_nodelay: true,
407                    keep_alive: true,
408                    connection_prewarming: true,
409                    priority_scheduling: true,
410                },
411                connection_pooling: ConnectionPooling {
412                    poolsize_per_node: 10,
413                    idle_timeout: Duration::from_secs(300),
414                    reuse_limit: 1000,
415                    enable_health_checking: true,
416                },
417            },
418        })
419    }
420
421    pub fn start(&mut self) -> CoreResult<()> {
422        println!("📡 Starting distributed communication...");
423        Ok(())
424    }
425}
scirs2_core/advanced_distributed_computing/communication.rs

scirs2_core/advanced_distributed_computing/
communication.rs
