新增host、port、算法类型

This commit is contained in:
zqc
2026-02-26 16:20:27 +08:00
parent ad5d6ebf8f
commit 55eef8e15e
3 changed files with 187 additions and 139 deletions

View File

@@ -30,7 +30,13 @@ database:
pool_recycle: 3600
echo: false
cameras:
# 服务组配置:每个组有独立的 WebSocket 和算法类型
service_groups:
- name: "kadian_group" # 服务组名称
ws_host: "0.0.0.0" # WebSocket 服务地址
ws_port: 8765 # WebSocket 服务端口
algorithm: "kadian" # 算法类型
cameras: # 该组下的摄像头列表
- id: 1
index: testindexcode
name: Entrance

View File

@@ -11,22 +11,22 @@ import os
import signal
import argparse
import time
from typing import List
from typing import List, Dict
from common.camera_config import CameraConfig
from utils.logger import get_logger
logger = get_logger(__name__)
# PID 文件路径
PID_FILE = "rtsp_service.pid"
# PID 文件目录
PID_DIR = "pids"
def load_cameras_from_yaml(config_path: str = "config.yaml") -> List[dict]:
"""从 YAML 文件加载摄像头配置"""
def load_service_groups_from_yaml(config_path: str = "config.yaml") -> List[dict]:
"""从 YAML 文件加载服务组配置"""
with open(config_path, "r", encoding="utf-8") as f:
cfg = yaml.safe_load(f)
return cfg.get("cameras", [])
return cfg.get("service_groups", [])
def cameras_to_base64_json(cameras: List[dict]) -> str:
@@ -35,39 +35,36 @@ def cameras_to_base64_json(cameras: List[dict]) -> str:
return base64.b64encode(json_str.encode('utf-8')).decode('ascii')
def start_rtsp_service(cameras_base64: str, script_path: str = "rtsp_service_ws_kadian.py"):
"""启动 RTSP 服务子进程(后台运行)"""
cmd = [
sys.executable, # 当前 Python 解释器路径
script_path,
"--cameras", cameras_base64
]
logger.info(f"[INFO] Starting RTSP service with command: python {script_path} --cameras <base64_config>")
# 使用 start_new_session=True 创建新会话,类似 nohup 效果
process = subprocess.Popen(cmd, start_new_session=True)
return process
def get_pid_file_path(group_name: str) -> str:
"""获取服务组的 PID 文件路径"""
return os.path.join(PID_DIR, f"{group_name}.pid")
def save_pid(pid: int):
def ensure_pid_dir():
"""确保 PID 目录存在"""
if not os.path.exists(PID_DIR):
os.makedirs(PID_DIR)
def save_pid(pid: int, group_name: str):
"""保存进程ID到文件"""
ensure_pid_dir()
pid_file = get_pid_file_path(group_name)
try:
with open(PID_FILE, "w") as f:
with open(pid_file, "w") as f:
f.write(str(pid))
logger.info(f"[INFO] Saved PID {pid} to {PID_FILE}")
logger.info(f"[INFO] Saved PID {pid} to {pid_file}")
except Exception as e:
logger.error(f"[ERROR] Failed to save PID file: {e}")
def read_pid():
def read_pid(group_name: str):
"""从PID文件读取进程ID"""
pid_file = get_pid_file_path(group_name)
try:
with open(PID_FILE, "r") as f:
with open(pid_file, "r") as f:
return int(f.read().strip())
except FileNotFoundError:
logger.warning(f"[WARN] PID file {PID_FILE} not found")
return None
except Exception as e:
logger.error(f"[ERROR] Failed to read PID file: {e}")
@@ -77,127 +74,169 @@ def read_pid():
def is_process_running(pid: int):
"""检查进程是否在运行"""
try:
# 发送信号0不实际发送信号仅检查进程是否存在
os.kill(pid, 0)
return True
except OSError:
return False
def start_service():
"""启动服务"""
# 检查是否已经在运行
pid = read_pid()
if pid and is_process_running(pid):
logger.warning(f"[WARN] Service is already running with PID {pid}")
return False
def start_rtsp_service(group: dict, script_path: str = "rtsp_service_ws_kadian.py"):
"""启动 RTSP 服务子进程(后台运行)"""
cameras = group.get("cameras", [])
ws_host = group.get("ws_host", "0.0.0.0")
ws_port = group.get("ws_port", 8765)
algorithm = group.get("algorithm", "")
group_name = group.get("name", "default")
cameras_base64 = cameras_to_base64_json(cameras)
cmd = [
sys.executable,
script_path,
"--cameras", cameras_base64,
"--ws-host", ws_host,
"--ws-port", str(ws_port),
"--algorithm", algorithm
]
logger.info(f"[INFO] Starting service group '{group_name}': ws={ws_host}:{ws_port}, algorithm={algorithm}")
process = subprocess.Popen(cmd, start_new_session=True)
return process, group_name
def start_service():
"""启动所有服务组"""
config_path = "config.yaml"
# 1. 读取配置
cameras_data = load_cameras_from_yaml(config_path)
logger.info(f"[INFO] Loaded {len(cameras_data)} cameras from {config_path}")
service_groups = load_service_groups_from_yaml(config_path)
logger.info(f"[INFO] Loaded {len(service_groups)} service groups from {config_path}")
if not cameras_data:
logger.error("[ERROR] No cameras found in config, exiting...")
if not service_groups:
logger.error("[ERROR] No service groups found in config, exiting...")
return False
# 2. 转换为 base64 JSON
cameras_base64 = cameras_to_base64_json(cameras_data)
# 2. 启动每个服务组
started_count = 0
for group in service_groups:
group_name = group.get("name", "default")
# 检查是否已经在运行
pid = read_pid(group_name)
if pid and is_process_running(pid):
logger.warning(f"[WARN] Service group '{group_name}' is already running with PID {pid}")
continue
# 3. 启动子进程
try:
process = start_rtsp_service(cameras_base64)
# 等待一下确保进程启动
time.sleep(1)
# 4. 保存PID
save_pid(process.pid)
logger.info(f"[INFO] Service started successfully with PID {process.pid}")
logger.info("[INFO] Main process exiting, service will continue running in background")
return True
process, name = start_rtsp_service(group)
time.sleep(0.5)
save_pid(process.pid, name)
logger.info(f"[INFO] Service group '{name}' started with PID {process.pid}")
started_count += 1
except Exception as e:
logger.error(f"[ERROR] Failed to start service: {e}")
return False
logger.error(f"[ERROR] Failed to start service group '{group_name}': {e}")
logger.info(f"[INFO] Started {started_count}/{len(service_groups)} service groups")
return started_count > 0
def status_service():
"""检查服务状态"""
pid = read_pid()
if not pid:
logger.info("[INFO] Service is not running (no PID file)")
"""检查所有服务状态"""
config_path = "config.yaml"
service_groups = load_service_groups_from_yaml(config_path)
if not service_groups:
logger.info("[INFO] No service groups configured")
return False
if is_process_running(pid):
logger.info(f"[INFO] Service is running with PID {pid}")
return True
running_count = 0
for group in service_groups:
group_name = group.get("name", "default")
pid = read_pid(group_name)
if pid and is_process_running(pid):
logger.info(f"[INFO] Service group '{group_name}' is running with PID {pid}")
running_count += 1
else:
logger.info(f"[INFO] Service is not running (PID {pid} not found), cleaning up PID file")
logger.info(f"[INFO] Service group '{group_name}' is not running")
# 清理无效的PID文件
if pid:
try:
os.remove(PID_FILE)
os.remove(get_pid_file_path(group_name))
except:
pass
return False
logger.info(f"[INFO] {running_count}/{len(service_groups)} service groups running")
return running_count > 0
def stop_service(force=False):
"""停止服务"""
pid = read_pid()
if not pid:
logger.error("[ERROR] No PID file found, service may not be running")
return False
"""停止所有服务"""
config_path = "config.yaml"
service_groups = load_service_groups_from_yaml(config_path)
if not is_process_running(pid):
logger.warning(f"[WARN] Process with PID {pid} is not running, cleaning up PID file")
try:
os.remove(PID_FILE)
except:
pass
if not service_groups:
logger.info("[INFO] No service groups configured")
return True
# 发送终止信号
stopped_count = 0
for group in service_groups:
group_name = group.get("name", "default")
pid = read_pid(group_name)
if not pid:
logger.info(f"[INFO] Service group '{group_name}' has no PID file")
continue
if not is_process_running(pid):
logger.warning(f"[WARN] Service group '{group_name}' PID {pid} not running, cleaning up")
try:
os.remove(get_pid_file_path(group_name))
except:
pass
stopped_count += 1
continue
try:
if force:
logger.info(f"[INFO] Force killing process {pid} with SIGKILL")
logger.info(f"[INFO] Force killing service group '{group_name}' (PID {pid})")
os.kill(pid, signal.SIGKILL)
else:
logger.info(f"[INFO] Gracefully stopping process {pid} with SIGTERM")
logger.info(f"[INFO] Stopping service group '{group_name}' (PID {pid})")
os.kill(pid, signal.SIGTERM)
# 等待进程结束最多10秒
# 等待进程结束
for i in range(10):
if not is_process_running(pid):
break
time.sleep(1)
# 如果进程还在,强制杀死
if is_process_running(pid):
logger.warning(f"[WARN] Process {pid} still running after SIGTERM, sending SIGKILL")
logger.warning(f"[WARN] Force killing service group '{group_name}'")
os.kill(pid, signal.SIGKILL)
time.sleep(1)
# 清理PID文件
if os.path.exists(PID_FILE):
os.remove(PID_FILE)
try:
os.remove(get_pid_file_path(group_name))
except:
pass
logger.info(f"[INFO] Service stopped successfully (PID: {pid})")
return True
logger.info(f"[INFO] Service group '{group_name}' stopped")
stopped_count += 1
except Exception as e:
logger.error(f"[ERROR] Failed to stop service: {e}")
return False
logger.error(f"[ERROR] Failed to stop service group '{group_name}': {e}")
logger.info(f"[INFO] Stopped {stopped_count}/{len(service_groups)} service groups")
return True
def restart_service():
"""重启服务"""
logger.info("[INFO] Restarting service...")
# 先停止
if status_service():
"""重启所有服务"""
logger.info("[INFO] Restarting all service groups...")
stop_service()
time.sleep(2) # 等待进程完全停止
# 再启动
time.sleep(2)
return start_service()
@@ -220,8 +259,8 @@ def main():
success = restart_service()
sys.exit(0 if success else 1)
elif args.command == "status":
success = status_service()
sys.exit(0 if success else 0) # 状态检查总是返回0退出码
status_service()
sys.exit(0)
if __name__ == "__main__":

View File

@@ -25,9 +25,6 @@ from utils.web_socket_sender import WebSocketSender
from utils.logger import get_logger
logger = get_logger(__name__)
WS_HOST = "0.0.0.0"
WS_PORT = 8765
# ========================= RTSP 抓流线程 =========================
class RTSPCaptureWorker(threading.Thread):
@@ -175,8 +172,11 @@ class RTSPCaptureWorker(threading.Thread):
# ========================= 服务主类 =========================
class RTSPService:
def __init__(self, cameras: list[CameraConfig]):
def __init__(self, cameras: list[CameraConfig], ws_host: str = "0.0.0.0", ws_port: int = 8765, algorithm: str = ""):
self.cameras = cameras
self.ws_host = ws_host
self.ws_port = ws_port
self.algorithm = algorithm
self.stop_event = threading.Event()
self.raw_queue = queue.Queue(maxsize=2)
@@ -184,7 +184,7 @@ class RTSPService:
self.capture_workers = []
self.processor = FrameProcessorWorker(self.raw_queue, self.ws_queue, self.stop_event, self.cameras)
self.ws_sender = WebSocketSender(self.ws_queue, self.stop_event, WS_HOST, WS_PORT)
self.ws_sender = WebSocketSender(self.ws_queue, self.stop_event, self.ws_host, self.ws_port)
def start(self):
self.ws_sender.start()
@@ -193,7 +193,7 @@ class RTSPService:
w = RTSPCaptureWorker(cam, self.raw_queue, self.stop_event)
w.start()
self.capture_workers.append(w)
logger.info("[INFO] Kadian RTSP Service started")
logger.info(f"[INFO] RTSP Service started (algorithm={self.algorithm}, ws={self.ws_host}:{self.ws_port})")
def stop(self):
self.stop_event.set()
@@ -241,9 +241,12 @@ def parse_cameras_from_yaml(yaml_path: str) -> list[CameraConfig]:
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="RTSP Service for Kadian Detection")
parser = argparse.ArgumentParser(description="RTSP Service for Detection")
parser.add_argument("--cameras", type=str, help="Cameras config in JSON format (or base64 encoded JSON)")
parser.add_argument("--config", type=str, default="config.yaml", help="Path to config YAML file")
parser.add_argument("--ws-host", type=str, default="0.0.0.0", help="WebSocket host")
parser.add_argument("--ws-port", type=int, default=8765, help="WebSocket port")
parser.add_argument("--algorithm", type=str, default="", help="Algorithm type")
args = parser.parse_args()
# 优先使用命令行传入的 cameras JSON否则读取配置文件
@@ -258,7 +261,7 @@ if __name__ == "__main__":
logger.error("[ERROR] No cameras configured, exiting...")
sys.exit(1)
service = RTSPService(cameras)
service = RTSPService(cameras, ws_host=args.ws_host, ws_port=args.ws_port, algorithm=args.algorithm)
service.start()
try:
while True: