1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
use crate::config::OmnimeshMode;
use crate::envelope::Did;
use crate::runtime::RuntimeLayer;
use crate::runtime::RuntimeStats;
use crate::runtime::delivery::DeliveryLayer;
use crate::runtime::logging::{LogEntry, LogLevel, Logger};
use crate::runtime::security::SecurityLayer;
use crate::runtime::storage::StorageLayer;
use crate::runtime::transport::TransportLayer;
use std::sync::Arc;
use std::sync::atomic::{AtomicBool, Ordering};
#[derive(Debug)]
pub struct Runtime {
self_did: Did,
transport: TransportLayer,
security: SecurityLayer,
storage: StorageLayer,
delivery: DeliveryLayer,
stats: RuntimeStats,
shutdown: Arc<AtomicBool>,
logger: Logger,
}
impl Runtime {
pub fn initialize(mode: OmnimeshMode, self_did: Did) -> Result<Self, String> {
let transport = TransportLayer::new(&mode)?;
let security = SecurityLayer::new(&mode, None);
let storage = StorageLayer::new(&mode);
let delivery = DeliveryLayer::new(&mode);
let shutdown = Arc::new(AtomicBool::new(false));
let logger = Logger::new(LogLevel::Info, true);
transport.initialize()?;
security.initialize()?;
storage.initialize()?;
delivery.initialize()?;
Ok(Self {
self_did,
transport,
security,
storage,
delivery,
stats: RuntimeStats::new(),
shutdown,
logger,
})
}
pub fn run(mode: OmnimeshMode, self_did: Did) -> Result<(), String> {
let mut runtime = Self::initialize(mode, self_did)?;
runtime.start()?;
Ok(())
}
/// Returns a clone of the shutdown flag for external signal handling.
pub fn shutdown_handle(&self) -> Arc<AtomicBool> {
self.shutdown.clone()
}
/// Start the runtime daemon loop.
///
/// In daemon mode, this continuously polls the transport for incoming
/// envelopes. It checks if the envelope is for this node (deliver locally)
/// or if it should be routed to another node in the mesh network.
///
/// The loop exits gracefully when the shutdown flag is set (e.g. via Ctrl+C).
fn start(&mut self) -> Result<(), String> {
// Register Ctrl+C handler for graceful shutdown
let shutdown_flag = self.shutdown.clone();
let _ = ctrlc_shutdown(shutdown_flag.clone());
self.logger.log(
LogEntry::new(LogLevel::Info, "OMNI-MESH V7 Runtime Daemon starting")
.with_operation("bootstrap"),
);
println!("╔══════════════════════════════════════════════╗");
println!("║ OMNI-MESH V7 Runtime Daemon ║");
println!("╠══════════════════════════════════════════════╣");
println!(
"║ Node DID : {:<31} ║",
hex::encode(&self.self_did.0[..4])
);
println!("║ Transport : {:<31} ║", self.transport.kind());
println!("║ Security : {:<31} ║", self.security.kind());
println!("║ Storage : {:<31} ║", self.storage.kind());
println!("║ Delivery : {:<31} ║", self.delivery.kind());
println!("╚══════════════════════════════════════════════╝");
println!();
println!("Daemon loop started. Press Ctrl+C to shut down gracefully.");
while !self.shutdown.load(Ordering::Relaxed) {
match self.transport.receive() {
Some(envelope) => {
self.stats.record_received();
// Step 1: Verify the envelope signature
match self.security.verify(&envelope) {
Ok(_) => {
// Step 2: Routing decision
if envelope.header.recipient_did == self.self_did {
// Delivered to self
if let Err(e) = self.storage.store(envelope) {
self.logger.log(
LogEntry::new(LogLevel::Error, "Storage failed")
.with_operation("store")
.with_error(e),
);
continue;
}
if let Some(last) = self.storage.last_stored() {
if let Err(e) = self.delivery.deliver(last) {
self.logger.log(
LogEntry::new(LogLevel::Error, "Delivery failed")
.with_operation("deliver")
.with_error(e),
);
} else {
self.stats.record_delivered();
let snap = self.stats.snapshot();
self.logger.log(
LogEntry::new(
LogLevel::Info,
"Envelope delivered locally",
)
.with_operation("deliver")
.with_message_id(hex::encode(
envelope.header.message_id.0,
)),
);
let _ = snap; // used for structured log above
}
}
} else {
// Forwarding to neighbor
self.logger.log(
LogEntry::new(LogLevel::Info, "Forwarding message")
.with_operation("route")
.with_recipient(hex::encode(
&envelope.header.recipient_did.0[..4],
)),
);
if let Err(e) = self.transport.send(&envelope) {
self.logger.log(
LogEntry::new(LogLevel::Error, "Forward failed")
.with_operation("route")
.with_error(e),
);
}
}
}
Err(e) => {
self.stats.record_signature_fail();
self.logger.log(
LogEntry::new(LogLevel::Warn, "Envelope rejected")
.with_operation("verify")
.with_error(e),
);
}
}
}
None => {
// No envelope available right now. Yield the thread briefly.
std::thread::sleep(std::time::Duration::from_micros(500));
}
}
}
// Graceful shutdown
let snap = self.stats.snapshot();
self.logger.log(
LogEntry::new(LogLevel::Info, "Daemon shutting down gracefully")
.with_operation("shutdown"),
);
println!(
"\nShutdown complete. Stats: received={}, delivered={}, rejected={}",
snap.total_messages_received,
snap.total_messages_delivered,
snap.total_dropped_signature_fail
);
Ok(())
}
}
pub fn run(mode: OmnimeshMode, self_did: Did) -> Result<(), String> {
Runtime::run(mode, self_did)
}
/// Sets up a Ctrl+C handler that flips the shutdown flag.
/// Returns Ok(()) if the handler was installed, Err if it couldn't be.
fn ctrlc_shutdown(flag: Arc<AtomicBool>) -> Result<(), String> {
ctrlc::set_handler(move || {
eprintln!("\nReceived shutdown signal (Ctrl+C). Shutting down...");
flag.store(true, Ordering::SeqCst);
})
.map_err(|e| format!("Failed to set Ctrl+C handler: {}", e))
}