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};
9#[cfg(feature = "serialization")]
10use serde::{Deserialize, Serialize};
11use std::collections::HashMap;
12use std::net::SocketAddr;
13use std::time::{Duration, Instant};
14
15/// Distributed communication layer
16#[derive(Debug)]
17pub struct DistributedCommunication {
18    /// Communication protocols
19    #[allow(dead_code)]
20    protocols: Vec<CommunicationProtocol>,
21    /// Message routing
22    #[allow(dead_code)]
23    routing: MessageRouting,
24    /// Security layer
25    #[allow(dead_code)]
26    security: CommunicationSecurity,
27    /// Performance optimization
28    #[allow(dead_code)]
29    optimization: CommunicationOptimization,
30}
31
32/// Communication protocols
33#[derive(Debug, Clone)]
34pub enum CommunicationProtocol {
35    TCP,
36    UDP,
37    HTTP,
38    GRpc,
39    MessageQueue,
40    WebSocket,
41    Custom(String),
42}
43
44/// Message routing
45#[derive(Debug)]
46pub struct MessageRouting {
47    /// Routing table
48    #[allow(dead_code)]
49    routing_table: HashMap<NodeId, RoutingEntry>,
50    /// Message queues
51    #[allow(dead_code)]
52    message_queues: HashMap<NodeId, MessageQueue>,
53    /// Routing algorithms
54    #[allow(dead_code)]
55    routing_algorithms: Vec<RoutingAlgorithm>,
56}
57
58/// Routing entry
59#[derive(Debug, Clone)]
60pub struct RoutingEntry {
61    /// Direct connection
62    pub direct_connection: Option<SocketAddr>,
63    /// Relay nodes
64    pub relay_nodes: Vec<NodeId>,
65    /// Connection quality
66    pub quality_score: f64,
67    /// Last update
68    pub last_updated: Instant,
69}
70
71/// Message queue
72#[derive(Debug)]
73pub struct MessageQueue {
74    /// Pending messages
75    #[allow(dead_code)]
76    pending_messages: Vec<Message>,
77    /// Priority queues
78    #[allow(dead_code)]
79    priority_queues: HashMap<MessagePriority, Vec<Message>>,
80    /// Queue statistics
81    #[allow(dead_code)]
82    statistics: QueueStatistics,
83}
84
85/// Message representation
86#[derive(Debug, Clone)]
87pub struct Message {
88    /// Message ID
89    pub id: MessageId,
90    /// Source node
91    pub source: NodeId,
92    /// Destination node
93    pub destination: NodeId,
94    /// Message type
95    pub messagetype: MessageType,
96    /// Payload
97    pub payload: Vec<u8>,
98    /// Priority
99    pub priority: MessagePriority,
100    /// Timestamp
101    pub timestamp: Instant,
102    /// Expiration time
103    pub expires_at: Option<Instant>,
104}
105
106/// Message identifier
107
108#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
109#[derive(Debug, Clone, Hash, PartialEq, Eq)]
110pub struct MessageId(pub String);
111
112/// Message types
113#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
114#[derive(Debug, Clone)]
115pub enum MessageType {
116    TaskAssignment,
117    TaskResult,
118    Heartbeat,
119    ResourceUpdate,
120    ControlCommand,
121    DataTransfer,
122    ErrorReport,
123}
124
125/// Message priority
126
127#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
128#[derive(Debug, Clone, PartialEq, Eq, Hash)]
129pub enum MessagePriority {
130    Critical,
131    High,
132    Normal,
133    Low,
134}
135
136/// Queue statistics
137#[derive(Debug, Clone)]
138pub struct QueueStatistics {
139    /// Messages queued
140    pub messages_queued: u64,
141    /// Messages sent
142    pub messages_sent: u64,
143    /// Messages failed
144    pub messages_failed: u64,
145    /// Average queue time
146    pub avg_queue_time: Duration,
147}
148
149/// Routing algorithms
150#[derive(Debug, Clone)]
151pub enum RoutingAlgorithm {
152    ShortestPath,
153    LoadBalanced,
154    LatencyOptimized,
155    BandwidthOptimized,
156    Adaptive,
157}
158
159/// Communication security
160#[derive(Debug)]
161pub struct CommunicationSecurity {
162    /// Encryption settings
163    #[allow(dead_code)]
164    encryption: EncryptionSettings,
165    /// Authentication settings
166    #[allow(dead_code)]
167    authentication: AuthenticationSettings,
168    /// Certificate management
169    #[allow(dead_code)]
170    certificates: CertificateManager,
171    /// Security policies
172    #[allow(dead_code)]
173    policies: SecurityPolicies,
174}
175
176/// Encryption settings
177#[derive(Debug, Clone)]
178pub struct EncryptionSettings {
179    /// Encryption algorithm
180    pub algorithm: EncryptionAlgorithm,
181    /// Key size
182    pub key_size: u32,
183    /// Key exchange method
184    pub key_exchange: KeyExchangeMethod,
185    /// Enable perfect forward secrecy
186    pub enable_pfs: bool,
187}
188
189/// Encryption algorithms
190#[derive(Debug, Clone)]
191pub enum EncryptionAlgorithm {
192    AES256,
193    ChaCha20Poly1305,
194    RSA,
195    ECC,
196}
197
198/// Key exchange methods
199#[derive(Debug, Clone)]
200pub enum KeyExchangeMethod {
201    DiffieHellman,
202    ECDH,
203    RSA,
204    PSK,
205}
206
207/// Authentication settings
208#[derive(Debug, Clone)]
209pub struct AuthenticationSettings {
210    /// Authentication method
211    pub method: AuthenticationMethod,
212    /// Token lifetime
213    pub token_lifetime: Duration,
214    /// Multi-factor authentication
215    pub enable_mfa: bool,
216    /// Certificate validation
217    pub certificate_validation: bool,
218}
219
220/// Authentication methods
221#[derive(Debug, Clone)]
222pub enum AuthenticationMethod {
223    Certificate,
224    Token,
225    Kerberos,
226    OAuth2,
227    Custom(String),
228}
229
230/// Certificate manager
231#[derive(Debug)]
232pub struct CertificateManager {
233    /// Root certificates
234    #[allow(dead_code)]
235    root_certificates: Vec<Certificate>,
236    /// Node certificates
237    #[allow(dead_code)]
238    node_certificates: HashMap<NodeId, Certificate>,
239    /// Certificate revocation list
240    #[allow(dead_code)]
241    revocation_list: Vec<String>,
242}
243
244/// Certificate representation
245#[derive(Debug, Clone)]
246pub struct Certificate {
247    /// Certificate data
248    pub data: Vec<u8>,
249    /// Subject
250    pub subject: String,
251    /// Issuer
252    pub issuer: String,
253    /// Valid from
254    pub valid_from: Instant,
255    /// Valid until
256    pub valid_until: Instant,
257    /// Serial number
258    pub serial_number: String,
259}
260
261/// Security policies
262#[derive(Debug, Clone)]
263pub struct SecurityPolicies {
264    /// Minimum security level
265    pub min_security_level: SecurityLevel,
266    /// Allowed cipher suites
267    pub allowed_cipher_suites: Vec<String>,
268    /// Connection timeout
269    pub connection_timeout: Duration,
270    /// Maximum message size
271    pub max_message_size: usize,
272}
273
274/// Security levels
275#[derive(Debug, Clone)]
276pub enum SecurityLevel {
277    None,
278    Basic,
279    Standard,
280    High,
281    Maximum,
282}
283
284/// Communication optimization
285#[derive(Debug)]
286pub struct CommunicationOptimization {
287    /// Compression settings
288    #[allow(dead_code)]
289    compression: CompressionSettings,
290    /// Bandwidth optimization
291    #[allow(dead_code)]
292    bandwidth_optimization: BandwidthOptimization,
293    /// Latency optimization
294    #[allow(dead_code)]
295    latency_optimization: LatencyOptimization,
296    /// Connection pooling
297    #[allow(dead_code)]
298    connection_pooling: ConnectionPooling,
299}
300
301/// Compression settings
302#[derive(Debug, Clone)]
303pub struct CompressionSettings {
304    /// Compression algorithm
305    pub algorithm: CompressionAlgorithm,
306    /// Compression level
307    pub level: u8,
308    /// Minimum size for compression
309    pub minsize_bytes: usize,
310    /// Enable adaptive compression
311    pub adaptive: bool,
312}
313
314/// Compression algorithms
315#[derive(Debug, Clone)]
316pub enum CompressionAlgorithm {
317    Gzip,
318    Zstd,
319    LZ4,
320    Snappy,
321    Brotli,
322}
323
324/// Bandwidth optimization
325#[derive(Debug, Clone)]
326pub struct BandwidthOptimization {
327    /// Enable message batching
328    pub enable_batching: bool,
329    /// Batch size
330    pub batch_size: usize,
331    /// Batch timeout
332    pub batch_timeout: Duration,
333    /// Enable delta compression
334    pub enable_delta_compression: bool,
335}
336
337/// Latency optimization
338#[derive(Debug, Clone)]
339pub struct LatencyOptimization {
340    /// TCP no delay
341    pub tcp_nodelay: bool,
342    /// Keep alive settings
343    pub keep_alive: bool,
344    /// Connection pre-warming
345    pub connection_prewarming: bool,
346    /// Priority scheduling
347    pub priority_scheduling: bool,
348}
349
350/// Connection pooling
351#[derive(Debug, Clone)]
352pub struct ConnectionPooling {
353    /// Pool size per node
354    pub poolsize_per_node: usize,
355    /// Connection idle timeout
356    pub idle_timeout: Duration,
357    /// Connection reuse limit
358    pub reuse_limit: u32,
359    /// Enable health checking
360    pub enable_health_checking: bool,
361}
362
363// Implementations
364impl DistributedCommunication {
365    pub fn new(config: &DistributedComputingConfig) -> CoreResult<Self> {
366        Ok(Self {
367            protocols: vec![CommunicationProtocol::GRpc, CommunicationProtocol::TCP],
368            routing: MessageRouting {
369                routing_table: HashMap::new(),
370                message_queues: HashMap::new(),
371                routing_algorithms: vec![RoutingAlgorithm::Adaptive],
372            },
373            security: CommunicationSecurity {
374                encryption: EncryptionSettings {
375                    algorithm: EncryptionAlgorithm::AES256,
376                    key_size: 256,
377                    key_exchange: KeyExchangeMethod::ECDH,
378                    enable_pfs: true,
379                },
380                authentication: AuthenticationSettings {
381                    method: AuthenticationMethod::Certificate,
382                    token_lifetime: Duration::from_secs(60 * 60),
383                    enable_mfa: false,
384                    certificate_validation: true,
385                },
386                certificates: CertificateManager {
387                    root_certificates: Vec::new(),
388                    node_certificates: HashMap::new(),
389                    revocation_list: Vec::new(),
390                },
391                policies: SecurityPolicies {
392                    min_security_level: SecurityLevel::High,
393                    allowed_cipher_suites: vec!["TLS_AES_256_GCM_SHA384".to_string()],
394                    connection_timeout: Duration::from_secs(30),
395                    max_message_size: 10 * 1024 * 1024, // 10MB
396                },
397            },
398            optimization: CommunicationOptimization {
399                compression: CompressionSettings {
400                    algorithm: CompressionAlgorithm::Zstd,
401                    level: 3,
402                    minsize_bytes: 1024,
403                    adaptive: true,
404                },
405                bandwidth_optimization: BandwidthOptimization {
406                    enable_batching: true,
407                    batch_size: 100,
408                    batch_timeout: Duration::from_millis(10),
409                    enable_delta_compression: true,
410                },
411                latency_optimization: LatencyOptimization {
412                    tcp_nodelay: true,
413                    keep_alive: true,
414                    connection_prewarming: true,
415                    priority_scheduling: true,
416                },
417                connection_pooling: ConnectionPooling {
418                    poolsize_per_node: 10,
419                    idle_timeout: Duration::from_secs(300),
420                    reuse_limit: 1000,
421                    enable_health_checking: true,
422                },
423            },
424        })
425    }
426
427    pub fn start(&mut self) -> CoreResult<()> {
428        println!("📡 Starting distributed communication...");
429        Ok(())
430    }
431}
scirs2_core/advanced_distributed_computing/communication.rs

scirs2_core/advanced_distributed_computing/
communication.rs
