quantrs2_device/quantum_network/distributed_protocols/implementations/
state_management.rs

1//! State management implementations for distributed quantum computation
2
3use super::super::types::*;
4use async_trait::async_trait;
5use std::collections::HashMap;
6use std::sync::Arc;
7use std::time::Duration;
8
9impl Default for DistributedStateManager {
10    fn default() -> Self {
11        Self::new()
12    }
13}
14
15impl DistributedStateManager {
16    pub fn new() -> Self {
17        Self {
18            local_states: Arc::new(std::sync::RwLock::new(HashMap::new())),
19            entanglement_registry: Arc::new(std::sync::RwLock::new(HashMap::new())),
20            synchronization_protocol: Arc::new(BasicSynchronizationProtocol::new()),
21            state_transfer_engine: Arc::new(StateTransferEngine::new()),
22            consistency_checker: Arc::new(ConsistencyChecker::new()),
23        }
24    }
25}
26
27/// Basic synchronization protocol implementation
28#[derive(Debug)]
29pub struct BasicSynchronizationProtocol;
30
31impl Default for BasicSynchronizationProtocol {
32    fn default() -> Self {
33        Self::new()
34    }
35}
36
37impl BasicSynchronizationProtocol {
38    pub const fn new() -> Self {
39        Self
40    }
41}
42
43#[async_trait]
44impl StateSynchronizationProtocol for BasicSynchronizationProtocol {
45    async fn synchronize_states(
46        &self,
47        nodes: &[NodeId],
48        target_consistency: f64,
49    ) -> Result<SynchronizationResult> {
50        Ok(SynchronizationResult {
51            success: true,
52            consistency_level: target_consistency,
53            synchronized_nodes: nodes.to_vec(),
54            failed_nodes: vec![],
55            synchronization_time: Duration::from_millis(50),
56        })
57    }
58
59    async fn detect_inconsistencies(
60        &self,
61        _states: &HashMap<NodeId, LocalQuantumState>,
62    ) -> Vec<Inconsistency> {
63        vec![] // Simplified
64    }
65
66    async fn resolve_conflicts(&self, conflicts: &[StateConflict]) -> Result<Resolution> {
67        Ok(Resolution {
68            strategy: ResolutionStrategy::LastWriterWins,
69            resolved_conflicts: conflicts.iter().map(|c| c.conflict_id).collect(),
70            unresolved_conflicts: vec![],
71            resolution_time: Duration::from_millis(10),
72        })
73    }
74}
75
76impl Default for StateTransferEngine {
77    fn default() -> Self {
78        Self::new()
79    }
80}
81
82impl StateTransferEngine {
83    pub fn new() -> Self {
84        Self {
85            transfer_protocols: HashMap::new(),
86            compression_engine: Arc::new(QuantumStateCompressor::new()),
87            encryption_engine: Arc::new(QuantumCryptography::new()),
88        }
89    }
90}
91
92impl Default for QuantumStateCompressor {
93    fn default() -> Self {
94        Self::new()
95    }
96}
97
98impl QuantumStateCompressor {
99    pub fn new() -> Self {
100        Self {
101            compression_algorithms: vec![
102                "quantum_huffman".to_string(),
103                "schmidt_decomposition".to_string(),
104            ],
105            compression_ratio_target: 0.5,
106            fidelity_preservation_threshold: 0.99,
107        }
108    }
109}
110
111impl Default for QuantumCryptography {
112    fn default() -> Self {
113        Self::new()
114    }
115}
116
117impl QuantumCryptography {
118    pub fn new() -> Self {
119        Self {
120            encryption_protocols: vec![
121                "quantum_key_distribution".to_string(),
122                "post_quantum_crypto".to_string(),
123            ],
124            key_distribution_method: "BB84".to_string(),
125            security_level: 256,
126        }
127    }
128}
129
130impl Default for ConsistencyChecker {
131    fn default() -> Self {
132        Self::new()
133    }
134}
135
136impl ConsistencyChecker {
137    pub fn new() -> Self {
138        Self {
139            consistency_protocols: vec![
140                "eventual_consistency".to_string(),
141                "strong_consistency".to_string(),
142            ],
143            verification_frequency: Duration::from_secs(1),
144            automatic_correction: true,
145        }
146    }
147}
quantrs2_device/quantum_network/distributed_protocols/implementations/state_management.rs

quantrs2_device/quantum_network/distributed_protocols/implementations/
state_management.rs
