quantrs2_device/quantum_network/distributed_protocols/
mod.rs

1//! Distributed Quantum Computation Protocols
2
3pub mod implementations;
4pub mod types;
5
6// Re-export everything
7pub use implementations::*;
8pub use types::*;
9#[cfg(test)]
10mod tests {
11    use super::*;
12    use chrono::{DateTime, Duration as ChronoDuration, Utc};
13    use std::collections::HashMap;
14    use std::sync::{Arc, RwLock};
15    use std::time::Duration;
16    use uuid::Uuid;
17
18    #[tokio::test]
19    async fn test_distributed_orchestrator_creation() {
20        let config = DistributedComputationConfig::default();
21        let orchestrator = DistributedQuantumOrchestrator::new(config);
22
23        let status = orchestrator.get_system_status().await;
24        assert_eq!(status.total_nodes, 0);
25        assert_eq!(status.active_nodes, 0);
26    }
27
28    #[tokio::test]
29    async fn test_node_registration() {
30        let config = DistributedComputationConfig::default();
31        let orchestrator = DistributedQuantumOrchestrator::new(config);
32
33        let node_info = NodeInfo {
34            node_id: NodeId("test_node".to_string()),
35            capabilities: NodeCapabilities {
36                max_qubits: 10,
37                supported_gates: vec!["H".to_string(), "CNOT".to_string()],
38                connectivity_graph: vec![(0, 1), (1, 2)],
39                gate_fidelities: HashMap::new(),
40                readout_fidelity: 0.95,
41                coherence_times: HashMap::new(),
42                classical_compute_power: 1000.0,
43                memory_capacity_gb: 8,
44                network_bandwidth_mbps: 1000.0,
45            },
46            current_load: NodeLoad {
47                qubits_in_use: 0,
48                active_circuits: 0,
49                cpu_utilization: 0.1,
50                memory_utilization: 0.2,
51                network_utilization: 0.05,
52                queue_length: 0,
53                estimated_completion_time: Duration::from_secs(0),
54            },
55            network_info: NetworkInfo {
56                ip_address: "192.168.1.100".to_string(),
57                port: 8080,
58                latency_to_nodes: HashMap::new(),
59                bandwidth_to_nodes: HashMap::new(),
60                connection_quality: HashMap::new(),
61            },
62            status: NodeStatus::Active,
63            last_heartbeat: Utc::now(),
64        };
65
66        orchestrator
67            .register_node(node_info)
68            .await
69            .expect("Node registration should succeed");
70
71        let status = orchestrator.get_system_status().await;
72        assert_eq!(status.total_nodes, 1);
73        assert_eq!(status.active_nodes, 1);
74        assert_eq!(status.total_qubits, 10);
75    }
76
77    #[tokio::test]
78    async fn test_circuit_partitioning() {
79        let circuit = QuantumCircuit {
80            circuit_id: Uuid::new_v4(),
81            gates: vec![QuantumGate {
82                gate_type: "H".to_string(),
83                target_qubits: vec![QubitId {
84                    node_id: NodeId("node1".to_string()),
85                    local_id: 0,
86                    global_id: Uuid::new_v4(),
87                }],
88                parameters: vec![],
89                control_qubits: vec![],
90                classical_controls: vec![],
91            }],
92            qubit_count: 2,
93            classical_bit_count: 2,
94            measurements: vec![],
95            metadata: HashMap::new(),
96        };
97
98        let mut nodes = HashMap::new();
99        nodes.insert(
100            NodeId("node1".to_string()),
101            NodeInfo {
102                node_id: NodeId("node1".to_string()),
103                capabilities: NodeCapabilities {
104                    max_qubits: 10,
105                    supported_gates: vec!["H".to_string()],
106                    connectivity_graph: vec![(0, 1)],
107                    gate_fidelities: HashMap::new(),
108                    readout_fidelity: 0.95,
109                    coherence_times: HashMap::new(),
110                    classical_compute_power: 1000.0,
111                    memory_capacity_gb: 8,
112                    network_bandwidth_mbps: 1000.0,
113                },
114                current_load: NodeLoad {
115                    qubits_in_use: 0,
116                    active_circuits: 0,
117                    cpu_utilization: 0.1,
118                    memory_utilization: 0.2,
119                    network_utilization: 0.05,
120                    queue_length: 0,
121                    estimated_completion_time: Duration::from_secs(0),
122                },
123                network_info: NetworkInfo {
124                    ip_address: "192.168.1.100".to_string(),
125                    port: 8080,
126                    latency_to_nodes: HashMap::new(),
127                    bandwidth_to_nodes: HashMap::new(),
128                    connection_quality: HashMap::new(),
129                },
130                status: NodeStatus::Active,
131                last_heartbeat: Utc::now(),
132            },
133        );
134
135        let config = DistributedComputationConfig::default();
136        let partitioner = CircuitPartitioner::new();
137
138        let partitions = partitioner
139            .partition_circuit(&circuit, &nodes, &config)
140            .expect("Circuit partitioning should succeed");
141        assert!(!partitions.is_empty());
142        assert_eq!(partitions[0].gates.len(), 1);
143    }
144
145    #[test]
146    fn test_load_balancer() {
147        let balancer = CapabilityBasedBalancer::new();
148
149        let partition = CircuitPartition {
150            partition_id: Uuid::new_v4(),
151            node_id: NodeId("test".to_string()),
152            gates: vec![
153                QuantumGate {
154                    gate_type: "H".to_string(),
155                    target_qubits: vec![QubitId {
156                        node_id: NodeId("test".to_string()),
157                        local_id: 0,
158                        global_id: Uuid::new_v4(),
159                    }],
160                    control_qubits: vec![],
161                    parameters: vec![],
162                    classical_controls: vec![],
163                },
164                QuantumGate {
165                    gate_type: "CNOT".to_string(),
166                    target_qubits: vec![QubitId {
167                        node_id: NodeId("test".to_string()),
168                        local_id: 1,
169                        global_id: Uuid::new_v4(),
170                    }],
171                    control_qubits: vec![QubitId {
172                        node_id: NodeId("test".to_string()),
173                        local_id: 0,
174                        global_id: Uuid::new_v4(),
175                    }],
176                    parameters: vec![],
177                    classical_controls: vec![],
178                },
179            ],
180            dependencies: vec![],
181            input_qubits: vec![],
182            output_qubits: vec![],
183            classical_inputs: vec![],
184            estimated_execution_time: Duration::from_millis(100),
185            resource_requirements: ResourceRequirements {
186                qubits_needed: 5,
187                gates_count: 10,
188                memory_mb: 50,
189                execution_time_estimate: Duration::from_millis(100),
190                entanglement_pairs_needed: 0,
191                classical_communication_bits: 0,
192            },
193        };
194
195        let node_info = NodeInfo {
196            node_id: NodeId("node1".to_string()),
197            capabilities: NodeCapabilities {
198                max_qubits: 10,
199                supported_gates: vec![],
200                connectivity_graph: vec![],
201                gate_fidelities: HashMap::new(),
202                readout_fidelity: 0.95,
203                coherence_times: HashMap::new(),
204                classical_compute_power: 1000.0,
205                memory_capacity_gb: 8,
206                network_bandwidth_mbps: 1000.0,
207            },
208            current_load: NodeLoad {
209                qubits_in_use: 2,
210                active_circuits: 1,
211                cpu_utilization: 0.3,
212                memory_utilization: 0.4,
213                network_utilization: 0.1,
214                queue_length: 2,
215                estimated_completion_time: Duration::from_secs(30),
216            },
217            network_info: NetworkInfo {
218                ip_address: "192.168.1.100".to_string(),
219                port: 8080,
220                latency_to_nodes: HashMap::new(),
221                bandwidth_to_nodes: HashMap::new(),
222                connection_quality: HashMap::new(),
223            },
224            status: NodeStatus::Active,
225            last_heartbeat: Utc::now(),
226        };
227
228        let execution_time = balancer.predict_execution_time(&partition, &node_info);
229        assert!(execution_time > Duration::from_nanos(0));
230    }
231
232    #[tokio::test]
233    async fn test_state_synchronization() {
234        let protocol = BasicSynchronizationProtocol::new();
235
236        let nodes = vec![NodeId("node1".to_string()), NodeId("node2".to_string())];
237        let result = protocol
238            .synchronize_states(&nodes, 0.95)
239            .await
240            .expect("State synchronization should succeed");
241
242        assert!(result.success);
243        assert_eq!(result.consistency_level, 0.95);
244        assert_eq!(result.synchronized_nodes.len(), 2);
245    }
246
247    #[tokio::test]
248    async fn test_checkpoint_storage() {
249        let storage = InMemoryCheckpointStorage::new();
250
251        let checkpoint_data = CheckpointData {
252            timestamp: Utc::now(),
253            system_state: SystemState {
254                nodes: HashMap::new(),
255                active_computations: HashMap::new(),
256                distributed_states: HashMap::new(),
257                network_topology: NetworkTopology {
258                    nodes: vec![],
259                    edges: vec![],
260                    edge_weights: HashMap::new(),
261                    clustering_coefficient: 0.0,
262                    diameter: 0,
263                },
264                resource_allocation: HashMap::new(),
265            },
266            computation_progress: HashMap::new(),
267            quantum_states: HashMap::new(),
268            metadata: HashMap::new(),
269        };
270
271        let checkpoint_id = Uuid::new_v4();
272        storage
273            .store_checkpoint(checkpoint_id, &checkpoint_data)
274            .await
275            .expect("Checkpoint storage should succeed");
276
277        let loaded_data = storage
278            .load_checkpoint(checkpoint_id)
279            .await
280            .expect("Checkpoint loading should succeed");
281        assert_eq!(loaded_data.timestamp, checkpoint_data.timestamp);
282
283        let checkpoints = storage
284            .list_checkpoints()
285            .await
286            .expect("Listing checkpoints should succeed");
287        assert_eq!(checkpoints.len(), 1);
288        assert_eq!(checkpoints[0], checkpoint_id);
289    }
290
291    #[tokio::test]
292    async fn test_metrics_storage() {
293        let storage = InMemoryMetricsStorage::new();
294
295        let metric = Metric {
296            metric_name: "cpu_utilization".to_string(),
297            value: 0.75,
298            timestamp: Utc::now(),
299            tags: HashMap::new(),
300            node_id: Some(NodeId("node1".to_string())),
301        };
302
303        storage
304            .store_metric(&metric)
305            .await
306            .expect("Metric storage should succeed");
307
308        let query = MetricsQuery {
309            metric_names: vec!["cpu_utilization".to_string()],
310            time_range: (Utc::now() - ChronoDuration::seconds(60), Utc::now()),
311            filters: HashMap::new(),
312            limit: None,
313        };
314
315        let results = storage
316            .query_metrics(&query)
317            .await
318            .expect("Metrics query should succeed");
319        assert_eq!(results.len(), 1);
320        assert_eq!(results[0].metric_name, "cpu_utilization");
321        assert_eq!(results[0].value, 0.75);
322    }
323
324    #[tokio::test]
325    async fn test_consensus_engine() {
326        let consensus = RaftConsensus::new();
327
328        let proposal = "test_proposal".to_string();
329        let participants = vec![NodeId("node1".to_string()), NodeId("node2".to_string())];
330
331        let result = consensus
332            .reach_consensus(proposal.clone(), &participants, Duration::from_secs(30))
333            .await
334            .expect("Consensus should be reached");
335
336        assert!(result.consensus_achieved);
337        assert_eq!(result.decision, proposal);
338        assert_eq!(result.participating_nodes.len(), 2);
339        assert!(result.confidence > 0.9);
340    }
341}