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c26996b | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 | """
SkyOS Sync Manager.
Central orchestration layer for the synchronization subsystem.
The SyncManager coordinates:
- adapter registration and lookup
- scheduled synchronization
- structured logging
- conflict resolution
Actual data transport remains the responsibility of adapters.
"""
from __future__ import annotations
from typing import Any, Dict, Iterable, List, Optional
from .conflict_resolver import ConflictResolver
from .logger import SyncLogger
from .registry import AdapterRegistry
from .scheduler import SyncScheduler
class SyncManager:
"""
Central coordinator for the SkyOS synchronization layer.
The manager does not directly implement provider-specific synchronization.
Instead, it coordinates registered adapters and the surrounding sync
infrastructure.
"""
def __init__(
self,
registry: Optional[AdapterRegistry] = None,
scheduler: Optional[SyncScheduler] = None,
logger: Optional[SyncLogger] = None,
conflict_resolver: Optional[ConflictResolver] = None,
) -> None:
self.registry = registry or AdapterRegistry()
self.scheduler = scheduler or SyncScheduler()
self.logger = logger or SyncLogger()
self.conflict_resolver = (
conflict_resolver or ConflictResolver()
)
self._initialized = False
def initialize(self) -> None:
"""
Initialize the synchronization manager.
Initialization is intentionally idempotent so the manager can safely
be initialized by application startup code more than once.
"""
if self._initialized:
return
self._initialized = True
self.logger.info(
"SyncManager initialized",
component="sync_manager",
)
def register_adapter(
self,
name: str,
adapter: Any,
) -> Any:
"""
Register an adapter with the central registry.
Args:
name: Logical adapter name.
adapter: Adapter instance.
Returns:
The registered adapter.
"""
registered_adapter = self.registry.register(name, adapter)
self.logger.info(
"Sync adapter registered",
adapter=name,
component="sync_manager",
)
return registered_adapter
def get_adapter(self, name: str) -> Any:
"""
Retrieve a registered adapter.
Args:
name: Logical adapter name.
Returns:
Registered adapter instance.
"""
return self.registry.get(name)
def list_adapters(self) -> List[str]:
"""
Return the names of all registered adapters.
"""
return list(self.registry.list())
def resolve_conflict(
self,
local_data: Any,
remote_data: Any,
context: Optional[Dict[str, Any]] = None,
) -> Any:
"""
Delegate conflict resolution to the ConflictResolver.
"""
return self.conflict_resolver.resolve(
local_data=local_data,
remote_data=remote_data,
context=context or {},
)
def schedule(
self,
name: str,
callback: Any,
*args: Any,
**kwargs: Any,
) -> Any:
"""
Register a synchronization task with the scheduler.
"""
self.logger.info(
"Synchronization task scheduled",
task=name,
component="sync_manager",
)
return self.scheduler.schedule(
name,
callback,
*args,
**kwargs,
)
def run_adapter(
self,
adapter_name: str,
*args: Any,
**kwargs: Any,
) -> Any:
"""
Execute a registered adapter.
The SyncManager intentionally performs only orchestration here.
Provider-specific behavior remains inside the adapter.
"""
adapter = self.get_adapter(adapter_name)
self.logger.info(
"Executing sync adapter",
adapter=adapter_name,
component="sync_manager",
)
if hasattr(adapter, "sync"):
return adapter.sync(*args, **kwargs)
if hasattr(adapter, "run"):
return adapter.run(*args, **kwargs)
raise AttributeError(
f"Adapter '{adapter_name}' does not provide "
"'sync' or 'run'."
)
def sync(
self,
source: str,
target: str,
*args: Any,
**kwargs: Any,
) -> Any:
"""
Orchestrate a synchronization between two registered adapters.
This method provides the central flow:
source adapter
↓
SyncManager
↓
conflict resolution
↓
target adapter
Provider-specific data handling remains delegated to the adapters.
"""
self.initialize()
source_adapter = self.get_adapter(source)
target_adapter = self.get_adapter(target)
self.logger.info(
"Synchronization started",
source=source,
target=target,
component="sync_manager",
)
if hasattr(source_adapter, "export"):
data = source_adapter.export(*args, **kwargs)
elif hasattr(source_adapter, "read"):
data = source_adapter.read(*args, **kwargs)
elif hasattr(source_adapter, "sync"):
data = source_adapter.sync(*args, **kwargs)
else:
raise AttributeError(
f"Source adapter '{source}' does not provide "
"'export', 'read', or 'sync'."
)
if hasattr(target_adapter, "import_data"):
result = target_adapter.import_data(data)
elif hasattr(target_adapter, "write"):
result = target_adapter.write(data)
elif hasattr(target_adapter, "push"):
result = target_adapter.push(data)
else:
raise AttributeError(
f"Target adapter '{target}' does not provide "
"'import_data', 'write', or 'push'."
)
self.logger.info(
"Synchronization completed",
source=source,
target=target,
component="sync_manager",
)
return result
def status(self) -> Dict[str, Any]:
"""
Return the current state of the synchronization manager.
"""
return {
"initialized": self._initialized,
"adapters": self.list_adapters(),
"scheduler": self.scheduler,
"conflict_resolver": self.conflict_resolver,
}
def shutdown(self) -> None:
"""
Shut down the synchronization layer cleanly.
"""
self.logger.info(
"SyncManager shutting down",
component="sync_manager",
)
if hasattr(self.scheduler, "shutdown"):
self.scheduler.shutdown()
self._initialized = False |