# Gunicorn 配置文件
import os
import multiprocessing

# 服务器绑定
bind = "0.0.0.0:5000"
backlog = 2048

# 工作进程
workers = multiprocessing.cpu_count() * 2 + 1  # 推荐的工作进程数
worker_class = "sync"
worker_connections = 1000
timeout = 30
keepalive = 2
max_requests = 1000
max_requests_jitter = 50

# 日志
accesslog = "logs/gunicorn_access.log"
errorlog = "logs/gunicorn_error.log"
loglevel = "info"
access_log_format = '%(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s" %(D)s'

# 进程命名
proc_name = "ball-tracking-server"

# 安全
user = os.getenv('GUNICORN_USER', 'www-data')
group = os.getenv('GUNICORN_GROUP', 'www-data')
tmp_upload_dir = None

# 预加载应用
preload_app = True

# SSL (如果需要)
# keyfile = "/path/to/ssl/private.key"
# certfile = "/path/to/ssl/certificate.crt"

# 开发环境配置 (生产环境请注释掉)
# reload = True
# reload_extra_files = ["app/"]

def when_ready(server):
    server.log.info("Gunicorn server is ready. Listening on: %s", server.address)

def worker_int(worker):
    worker.log.info("worker received INT or QUIT signal")

def pre_fork(server, worker):
    server.log.info("Worker spawned (pid: %s)", worker.pid)

def post_fork(server, worker):
    server.log.info("Worker spawned (pid: %s)", worker.pid)