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2415446 a1bab2d 2415446 c817fe8 2415446 61bb677 2415446 a1bab2d c817fe8 2415446 c817fe8 2415446 c817fe8 2415446 c817fe8 2415446 c817fe8 2415446 61bb677 2415446 | 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 | """Implementations for installed Free Claude Code commands."""
from __future__ import annotations
import os
import shutil
import sys
import threading
import time
import webbrowser
from enum import StrEnum
from pathlib import Path
import uvicorn
from free_claude_code.cli.launchers.common import preflight_proxy
from free_claude_code.cli.process_registry import kill_all_best_effort
from free_claude_code.config.env_migrations import (
explicit_env_file_migration_warning,
migrate_owned_env_files,
)
from free_claude_code.config.paths import (
legacy_env_paths,
managed_env_path,
)
from free_claude_code.config.server_urls import local_admin_url, local_proxy_root_url
from free_claude_code.config.settings import Settings, get_settings
from free_claude_code.runtime.bootstrap import build_asgi_app
SERVER_GRACEFUL_SHUTDOWN_SECONDS = 5
def serve() -> None:
"""Start and supervise the FastAPI server."""
ServerSupervisor().run()
class ServerStatus(StrEnum):
"""Observable state of the server owned by a supervisor."""
STARTING = "Starting"
RUNNING = "Running"
STOPPING = "Stopping"
STOPPED = "Stopped"
class ServerSupervisor:
"""Own one FCC server lifecycle, including config-driven restarts."""
def __init__(self, *, console_logging: bool = True) -> None:
self._console_logging = console_logging
self._lock = threading.Lock()
self._server: uvicorn.Server | None = None
self._run_scheduled = False
self._running = False
self._stop_requested = False
self._restart_generation = 0
@property
def status(self) -> ServerStatus:
with self._lock:
if self._run_scheduled:
return ServerStatus.STARTING
if not self._running:
return ServerStatus.STOPPED
if self._server is None:
return ServerStatus.STARTING
if self._server.should_exit:
return ServerStatus.STOPPING
if self._server.started:
return ServerStatus.RUNNING
return ServerStatus.STARTING
def schedule_run(self) -> bool:
"""Reserve a worker run before its thread starts."""
with self._lock:
if self._stop_requested or self._run_scheduled or self._running:
return False
self._run_scheduled = True
return True
def run(self, *, open_admin_browser: bool | None = None) -> None:
"""Block until stopped, applying only fully closed Admin restarts."""
with self._lock:
self._run_scheduled = False
if self._running:
raise RuntimeError("The FCC server supervisor is already running.")
if self._stop_requested:
return
self._running = True
opened_admin_browser = False
try:
try:
while not self._is_stop_requested():
with self._lock:
restart_generation = self._restart_generation
settings = load_server_settings()
should_open_admin = (
settings.open_admin_browser
if open_admin_browser is None
else open_admin_browser
) and not opened_admin_browser
if not self._run_once(
settings,
open_admin_browser=should_open_admin,
restart_generation=restart_generation,
):
return
opened_admin_browser = opened_admin_browser or should_open_admin
get_settings.cache_clear()
except KeyboardInterrupt:
return
finally:
with self._lock:
self._server = None
self._running = False
kill_all_best_effort()
def request_restart(self) -> bool:
"""Reload an active generation or coalesce into a scheduled fresh run."""
with self._lock:
if self._stop_requested:
return False
if self._run_scheduled:
self._restart_generation += 1
return True
if not self._running:
return False
self._restart_generation += 1
if self._server is not None:
self._server.should_exit = True
return True
def request_stop(self) -> None:
"""Permanently stop this supervisor after graceful runtime cleanup."""
with self._lock:
self._stop_requested = True
self._run_scheduled = False
if self._server is not None:
self._server.should_exit = True
def _is_stop_requested(self) -> bool:
with self._lock:
return self._stop_requested
def _run_once(
self,
settings: Settings,
*,
open_admin_browser: bool,
restart_generation: int,
) -> bool:
asgi_app = build_asgi_app(
settings,
restart_callback=self._request_runtime_restart,
)
config = uvicorn.Config(
asgi_app,
host=settings.host,
port=settings.port,
log_level="debug",
log_config=(
uvicorn.config.LOGGING_CONFIG if self._console_logging else None
),
timeout_graceful_shutdown=SERVER_GRACEFUL_SHUTDOWN_SECONDS,
)
server = uvicorn.Server(config)
with self._lock:
self._server = server
if self._stop_requested or self._restart_generation != restart_generation:
server.should_exit = True
if open_admin_browser:
schedule_open_admin_browser(settings)
server.run()
with self._lock:
if self._server is server:
self._server = None
restart_requested = self._restart_generation != restart_generation
stop_requested = self._stop_requested
return restart_requested and not stop_requested and asgi_app.runtime.is_closed
def _request_runtime_restart(self) -> None:
self.request_restart()
def load_server_settings() -> Settings:
"""Apply owned config migrations before returning the cached settings."""
_migrate_legacy_env_if_missing()
_migrate_config_env_keys()
return get_settings()
def open_admin_when_ready(settings: Settings) -> bool:
"""Wait briefly for /health, then open the current Admin UI."""
admin_url = local_admin_url(settings)
proxy_root_url = local_proxy_root_url(settings)
deadline = time.monotonic() + 30.0
while time.monotonic() < deadline:
if preflight_proxy(proxy_root_url) is None:
return webbrowser.open(admin_url)
time.sleep(0.15)
return False
def schedule_open_admin_browser(settings: Settings) -> None:
"""Open Admin after health succeeds without blocking the caller."""
threading.Thread(
target=open_admin_when_ready,
args=(settings,),
name="fcc-open-admin-browser",
daemon=True,
).start()
def _migrate_legacy_env_if_missing() -> Path | None:
"""Copy a legacy user env into the managed config path when absent."""
env_file = managed_env_path()
if env_file.exists():
return None
# TODO: Remove after the ~/.fcc/.env migration has had a release cycle.
for legacy_env in legacy_env_paths():
if not legacy_env.is_file():
continue
env_file.parent.mkdir(parents=True, exist_ok=True)
shutil.copyfile(legacy_env, env_file)
return legacy_env
return None
def _migrate_config_env_keys() -> tuple[Path, ...]:
"""Apply dotenv key migrations before Settings loads config."""
migrated = migrate_owned_env_files()
if warning := explicit_env_file_migration_warning(os.environ):
print(warning, file=sys.stderr)
return migrated
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