Nav2导航 heredoc pipe方式修复 + 重启脚本更新
nav2_navigator.py: 改用 subprocess.Popen + stdin heredoc 避免bash单引号转义 restart_agv.sh: 清理所有旧进程再重启(bringup → Nav2 → Flask) app.py: init_pose改用 heredoc 子进程脚本方式
This commit is contained in:
+2
-2
@@ -648,7 +648,7 @@ def api_mission_init_pose():
|
||||
script = "/tmp/ros2_init_pose.sh"
|
||||
lines = [
|
||||
"#!/bin/bash",
|
||||
"export ROS_DOMAIN_ID=1",
|
||||
"export ROS_DOMAIN_ID=0",
|
||||
"source /opt/ros/humble/setup.bash",
|
||||
"source ~/agv_pro_ros2/install/setup.bash",
|
||||
"python3 /tmp/publish_init_pose.py",
|
||||
@@ -659,7 +659,7 @@ def api_mission_init_pose():
|
||||
result = subprocess.run(
|
||||
[script],
|
||||
capture_output=True, text=True, timeout=12,
|
||||
env={**os.environ, "ROS_DOMAIN_ID": "1"}
|
||||
env={**os.environ, "ROS_DOMAIN_ID": "0"}
|
||||
)
|
||||
logger.info(f"init_pose: rc={result.returncode}")
|
||||
return jsonify({"ok": True, "message": "初始位置已设为 (0,0,0)"})
|
||||
|
||||
@@ -12,7 +12,7 @@ from typing import Tuple, Optional, List
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
# ROS2 环境设置
|
||||
ROS2_SETUP_CMD = "export ROS_DOMAIN_ID=1 && source /opt/ros/humble/setup.bash && source ~/agv_pro_ros2/install/setup.bash"
|
||||
ROS2_SETUP_CMD = "source /opt/ros/humble/setup.bash && source /home/elephant/agv_pro_ros2/install/setup.bash"
|
||||
|
||||
|
||||
class AGVController:
|
||||
@@ -28,7 +28,7 @@ class AGVController:
|
||||
|
||||
def _run_ros2_cmd(self, cmd: str, timeout: float = 5.0) -> tuple:
|
||||
"""执行 ros2 命令"""
|
||||
full_cmd = f"bash -c 'export ROS_DOMAIN_ID=1 && source /opt/ros/humble/setup.bash && source ~/agv_pro_ros2/install/setup.bash && {cmd}'"
|
||||
full_cmd = f"bash -l -c 'source /opt/ros/humble/setup.bash && source /home/elephant/agv_pro_ros2/install/setup.bash && {cmd}'"
|
||||
try:
|
||||
result = subprocess.run(
|
||||
full_cmd,
|
||||
|
||||
@@ -18,7 +18,7 @@ from .image_uploader import ImageUploader
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
# ROS2 环境设置(与 agv_controller_ros2.py 保持一致)
|
||||
ROS2_SETUP_CMD = "export ROS_DOMAIN_ID=1 && source /opt/ros/humble/setup.bash && source ~/agv_pro_ros2/install/setup.bash"
|
||||
ROS2_SETUP_CMD = "source /opt/ros/humble/setup.bash && source ~/agv_pro_ros2/install/setup.bash"
|
||||
|
||||
|
||||
class TaskStatus(Enum):
|
||||
|
||||
+213
-236
@@ -2,22 +2,29 @@
|
||||
Nav2 导航模块 - 通过 ROS2 Action Server 控制 AGV 导航
|
||||
使用 Nav2 的 navigate_to_pose 和 navigate_through_poses action
|
||||
|
||||
依赖:ROS2 humble, nav2_bringup 已启动
|
||||
不依赖:自己实现 A*、路径跟踪
|
||||
通过写入临时 shell 脚本再执行,避免 bash -c 单引号转义问题
|
||||
"""
|
||||
|
||||
import time
|
||||
import math
|
||||
import logging
|
||||
import threading
|
||||
import subprocess
|
||||
import os
|
||||
from typing import List, Tuple, Optional, Dict
|
||||
from enum import Enum
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
# ROS2 环境设置(与 agv_controller_ros2.py 保持一致)
|
||||
ROS2_SETUP_CMD = "export ROS_DOMAIN_ID=1 && source /opt/ros/humble/setup.bash && source ~/agv_pro_ros2/install/setup.bash"
|
||||
|
||||
def _run_ros2_bash(cmd: str, timeout: float = 5.0) -> Tuple[int, str, str]:
|
||||
"""执行 ros2 命令(通过 bash -l 避免环境问题)"""
|
||||
setup = "source /opt/ros/humble/setup.bash && source /home/elephant/agv_pro_ros2/install/setup.bash"
|
||||
full_cmd = f"bash -l -c '{setup} && {cmd}'"
|
||||
try:
|
||||
result = subprocess.run(full_cmd, shell=True, capture_output=True, text=True, timeout=timeout)
|
||||
return result.returncode, result.stdout.strip(), result.stderr.strip()
|
||||
except subprocess.TimeoutExpired:
|
||||
return -1, "", "Timeout"
|
||||
|
||||
|
||||
class Nav2Status(Enum):
|
||||
@@ -30,7 +37,9 @@ class Nav2Status(Enum):
|
||||
|
||||
|
||||
class Nav2Navigator:
|
||||
"""Nav2 导航器 — 通过 ROS2 Action Server 发送导航目标"""
|
||||
"""Nav2 导航器 — 通过 ros2 action /navigate_to_pose 与 Nav2 通信"""
|
||||
|
||||
NAVIGATE_SCRIPT = "/tmp/nav2_send_goal.sh"
|
||||
|
||||
def __init__(self):
|
||||
self.status = Nav2Status.IDLE
|
||||
@@ -38,23 +47,51 @@ class Nav2Navigator:
|
||||
self._cancel_event = threading.Event()
|
||||
self._result_status = None
|
||||
self._current_pose = [0.0, 0.0, 0.0]
|
||||
self._build_script()
|
||||
|
||||
def _run_ros2_cmd(self, cmd: str, timeout: float = 5.0) -> Tuple[int, str, str]:
|
||||
"""执行 ros2 命令"""
|
||||
full_cmd = f"bash -c '{ROS2_SETUP_CMD} && {cmd}'"
|
||||
try:
|
||||
result = subprocess.run(
|
||||
full_cmd, shell=True, capture_output=True, text=True, timeout=timeout
|
||||
)
|
||||
return result.returncode, result.stdout.strip(), result.stderr.strip()
|
||||
except subprocess.TimeoutExpired:
|
||||
return -1, "", "Timeout"
|
||||
except Exception as e:
|
||||
return -1, "", str(e)
|
||||
def _build_script(self):
|
||||
"""生成 Nav2 action 发送脚本(通过 heredoc 避免所有 bash 转义问题)"""
|
||||
script = self.NAVIGATE_SCRIPT
|
||||
content = [
|
||||
"#!/bin/bash",
|
||||
"source /opt/ros/humble/setup.bash",
|
||||
"source /home/elephant/agv_pro_ros2/install/setup.bash",
|
||||
"",
|
||||
"TARGET_X=${1:-0}",
|
||||
"TARGET_Y=${2:-0}",
|
||||
"TARGET_YAW=${3:-0}",
|
||||
"",
|
||||
"# 计算四元数",
|
||||
"YAW_QZ=$(python3 -c \"import math; print(math.sin($TARGET_YAW / 2.0))\")",
|
||||
"YAW_QW=$(python3 -c \"import math; print(math.cos($TARGET_YAW / 2.0))\")",
|
||||
"",
|
||||
"# 通过 stdin pipe 发送 goal",
|
||||
'cat << \'GOAL\' | ros2 action send_goal /navigate_to_pose nav2_msgs/action/NavigateToPose - --feedback',
|
||||
"pose:",
|
||||
" header:",
|
||||
" stamp:",
|
||||
" sec: 0",
|
||||
" nanosec: 0",
|
||||
" frame_id: map",
|
||||
" pose:",
|
||||
" position:",
|
||||
" x: $TARGET_X",
|
||||
" y: $TARGET_Y",
|
||||
" z: 0.0",
|
||||
" orientation:",
|
||||
" x: 0.0",
|
||||
" y: 0.0",
|
||||
" z: $YAW_QZ",
|
||||
" w: $YAW_QW",
|
||||
"GOAL",
|
||||
]
|
||||
with open(script, "w") as f:
|
||||
f.write("\n".join(content) + "\n")
|
||||
os.chmod(script, 0o755)
|
||||
|
||||
def _check_nav2_available(self) -> bool:
|
||||
"""检查 Nav2 action server 是否可用"""
|
||||
rc, out, err = self._run_ros2_cmd("ros2 action list")
|
||||
rc, out, err = _run_ros2_bash("ros2 action list")
|
||||
if rc != 0:
|
||||
return False
|
||||
return "/navigate_to_pose" in out or "navigate_to_pose" in out
|
||||
@@ -62,10 +99,7 @@ class Nav2Navigator:
|
||||
def _get_current_pose(self) -> List[float]:
|
||||
"""从 /odom 获取当前位置 [x, y, yaw]"""
|
||||
try:
|
||||
rc, out, err = self._run_ros2_cmd(
|
||||
"timeout 5 ros2 topic echo /odom --once 2>/dev/null",
|
||||
timeout=6
|
||||
)
|
||||
rc, out, err = _run_ros2_bash("timeout 3 ros2 topic echo /odom --once 2>/dev/null", timeout=4)
|
||||
if rc == 0 and out:
|
||||
import re, yaml
|
||||
clean = re.sub(r'\x1b\[[0-9;]*[a-zA-Z]', '', out)
|
||||
@@ -106,38 +140,14 @@ class Nav2Navigator:
|
||||
logger.warning("导航正在进行中,请先停止当前导航")
|
||||
return False
|
||||
|
||||
# 检查 Nav2 是否可用
|
||||
if not self._check_nav2_available():
|
||||
logger.error("Nav2 action server 不可用,请确保 navigation2_active.launch.py 已启动")
|
||||
return False
|
||||
|
||||
# 构建 pose 消息(geometry_msgs/Pose)
|
||||
if yaw is None:
|
||||
current = self._get_current_pose()
|
||||
yaw = current[2]
|
||||
|
||||
# 计算四元数(只有 yaw)
|
||||
qz = math.sin(yaw / 2.0)
|
||||
qw = math.cos(yaw / 2.0)
|
||||
|
||||
pose_yaml = (
|
||||
f"pose:\\n"
|
||||
f" header:\\n"
|
||||
f" stamp:\\n"
|
||||
f" sec: 0\\n"
|
||||
f" nanosec: 0\\n"
|
||||
f" frame_id: 'map'\\n"
|
||||
f" position:\\n"
|
||||
f" x: {x}\\n"
|
||||
f" y: {y}\\n"
|
||||
f" z: 0.0\\n"
|
||||
f" orientation:\\n"
|
||||
f" x: 0.0\\n"
|
||||
f" y: 0.0\\n"
|
||||
f" z: {qz}\\n"
|
||||
f" w: {qw}"
|
||||
)
|
||||
|
||||
logger.info(f"发送导航目标: ({x:.3f}, {y:.3f}), yaw={math.degrees(yaw):.1f}°")
|
||||
|
||||
# 启动导航线程
|
||||
@@ -159,101 +169,100 @@ class Nav2Navigator:
|
||||
return True
|
||||
|
||||
def _nav_thread_func(self, x: float, y: float, yaw: float, timeout_sec: float):
|
||||
"""导航执行线程"""
|
||||
"""导航执行线程 — 使用 heredoc 脚本避免 bash 转义问题"""
|
||||
try:
|
||||
# 计算四元数
|
||||
logger.info(f"Nav2 线程启动: x={x}, y={y}, yaw={yaw}, timeout={timeout_sec}s")
|
||||
start_time = time.time()
|
||||
elapsed = 0.0
|
||||
check_interval = 1.0
|
||||
result_received = False
|
||||
|
||||
# 使用 pipe 方式运行导航
|
||||
# 通过 subprocess.Popen + stdin heredoc 避免所有引号转义问题
|
||||
setup = "source /opt/ros/humble/setup.bash && source /home/elephant/agv_pro_ros2/install/setup.bash"
|
||||
qz = math.sin(yaw / 2.0)
|
||||
qw = math.cos(yaw / 2.0)
|
||||
|
||||
# 使用 ros2 action send_goal 发送导航目标
|
||||
# Nav2 的 navigate_to_pose action 接受 geometry_msgs/PoseStamped
|
||||
pose_yaml = (
|
||||
f"pose:\\n"
|
||||
f" header:\\n"
|
||||
f" stamp:\\n"
|
||||
f" sec: 0\\n"
|
||||
f" nanosec: 0\\n"
|
||||
f" frame_id: 'map'\\n"
|
||||
f" pose:\\n"
|
||||
f" position:\\n"
|
||||
f" x: {x}\\n"
|
||||
f" y: {y}\\n"
|
||||
f" z: 0.0\\n"
|
||||
f" orientation:\\n"
|
||||
f" x: 0.0\\n"
|
||||
f" y: 0.0\\n"
|
||||
f" z: {qz}\\n"
|
||||
f" w: {qw}"
|
||||
# 构建 heredoc 内容
|
||||
heredoc = (
|
||||
f"pose:\n"
|
||||
f" header:\n"
|
||||
f" stamp:\n"
|
||||
f" sec: 0\n"
|
||||
f" nanosec: 0\n"
|
||||
f" frame_id: map\n"
|
||||
f" pose:\n"
|
||||
f" position:\n"
|
||||
f" x: {x}\n"
|
||||
f" y: {y}\n"
|
||||
f" z: 0.0\n"
|
||||
f" orientation:\n"
|
||||
f" x: 0.0\n"
|
||||
f" y: 0.0\n"
|
||||
f" z: {qz}\n"
|
||||
f" w: {qw}\n"
|
||||
)
|
||||
|
||||
# 发送 goal,保持连接获取结果
|
||||
cmd = (
|
||||
f"ros2 action send_goal /navigate_to_pose "
|
||||
f"nav2_msgs/action/NavigateToPose "
|
||||
f"'{pose_yaml}' "
|
||||
f"--feedback"
|
||||
)
|
||||
cmd = f'{setup} && ros2 action send_goal /navigate_to_pose nav2_msgs/action/NavigateToPose - --feedback'
|
||||
|
||||
full_cmd = f"bash -c '{ROS2_SETUP_CMD} && {cmd}'"
|
||||
|
||||
# 用 popen 持续读取反馈,直到完成或取消
|
||||
process = subprocess.Popen(
|
||||
full_cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True
|
||||
cmd, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True
|
||||
)
|
||||
|
||||
feedback_received = False
|
||||
result_received = False
|
||||
cancel_check_interval = 1.0 # 每秒检查一次取消标志
|
||||
stdout_lines = []
|
||||
stderr_lines = []
|
||||
stop_reading = threading.Event()
|
||||
|
||||
while not self._cancel_event.is_set():
|
||||
# 非阻塞读取 stdout
|
||||
import select
|
||||
reads = [process.stdout]
|
||||
ready, _, _ = select.select(reads, [], [], cancel_check_interval)
|
||||
def reader(pipe, lines):
|
||||
for line in iter(pipe.readline, ''):
|
||||
if stop_reading.is_set():
|
||||
break
|
||||
lines.append(line)
|
||||
|
||||
if process.stdout in ready:
|
||||
line = process.stdout.readline()
|
||||
if not line:
|
||||
break
|
||||
line = line.strip()
|
||||
out_thread = threading.Thread(target=reader, args=(process.stdout, stdout_lines))
|
||||
err_thread = threading.Thread(target=reader, args=(process.stderr, stderr_lines))
|
||||
out_thread.start()
|
||||
err_thread.start()
|
||||
|
||||
# 解析反馈
|
||||
if "feedback" in line.lower() or "distance_remaining" in line:
|
||||
feedback_received = True
|
||||
logger.debug(f"Nav2 feedback: {line[:100]}")
|
||||
# 解析结果
|
||||
if "succeeded" in line.lower():
|
||||
self._result_status = "succeeded"
|
||||
result_received = True
|
||||
logger.info("✅ Nav2 导航成功到达目标")
|
||||
break
|
||||
elif "failed" in line.lower() or "aborted" in line.lower():
|
||||
self._result_status = "failed"
|
||||
result_received = True
|
||||
logger.warning(f"⚠️ Nav2 导航失败: {line}")
|
||||
break
|
||||
elif "canceled" in line.lower() or "cancelled" in line.lower():
|
||||
self._result_status = "cancelled"
|
||||
result_received = True
|
||||
logger.info("Nav2 导航被取消")
|
||||
break
|
||||
# 写入 heredoc 数据
|
||||
try:
|
||||
process.stdin.write(heredoc + "\n")
|
||||
process.stdin.flush()
|
||||
process.stdin.close()
|
||||
except Exception as e:
|
||||
logger.error(f"写入 heredoc 失败: {e}")
|
||||
|
||||
# 检查进程是否结束
|
||||
if process.poll() is not None:
|
||||
# 进程已结束但没读到结果
|
||||
if not result_received:
|
||||
self._result_status = "failed"
|
||||
# 轮询检查结果
|
||||
while not self._cancel_event.is_set() and elapsed < timeout_sec:
|
||||
time.sleep(check_interval)
|
||||
elapsed = time.time() - start_time
|
||||
|
||||
full_out = "".join(stdout_lines)
|
||||
if "succeeded" in full_out.lower():
|
||||
logger.info("✅ Nav2 导航成功到达目标")
|
||||
self._result_status = "succeeded"
|
||||
result_received = True
|
||||
break
|
||||
if any(k in full_out.lower() for k in ["failed", "aborted"]):
|
||||
logger.warning(f"⚠️ Nav2 导航失败: {full_out[-200:]}")
|
||||
self._result_status = "failed"
|
||||
result_received = True
|
||||
break
|
||||
if any(k in full_out.lower() for k in ["canceled", "cancelled"]):
|
||||
logger.info("Nav2 导航被取消")
|
||||
self._result_status = "cancelled"
|
||||
result_received = True
|
||||
break
|
||||
|
||||
# 处理取消或超时
|
||||
if self._cancel_event.is_set() and not result_received:
|
||||
logger.info("取消 Nav2 导航...")
|
||||
# 发送取消命令
|
||||
cancel_cmd = f"bash -c '{ROS2_SETUP_CMD} && ros2 action cancel /navigate_to_pose'"
|
||||
subprocess.run(cancel_cmd, shell=True, timeout=3)
|
||||
self._result_status = "cancelled"
|
||||
# 检查进程是否结束但没读到结果
|
||||
if process.poll() is not None and not result_received:
|
||||
if full_out:
|
||||
logger.warning(f"Nav2 进程意外结束,输出: {full_out[:200]}")
|
||||
self._result_status = "failed"
|
||||
break
|
||||
|
||||
# 确保进程结束
|
||||
# 善后
|
||||
stop_reading.set()
|
||||
if process.poll() is None:
|
||||
process.terminate()
|
||||
try:
|
||||
@@ -261,7 +270,15 @@ class Nav2Navigator:
|
||||
except subprocess.TimeoutExpired:
|
||||
process.kill()
|
||||
|
||||
# 设置最终状态
|
||||
out_thread.join(timeout=2)
|
||||
err_thread.join(timeout=2)
|
||||
|
||||
if self._cancel_event.is_set() and not result_received:
|
||||
logger.info("取消 Nav2 导航...")
|
||||
cancel_cmd = f"bash -l -c '{setup} && ros2 action cancel /navigate_to_pose 2>/dev/null || ros2 action cancel /navigate_through_poses 2>/dev/null || true'"
|
||||
subprocess.run(cancel_cmd, shell=True, timeout=3)
|
||||
self._result_status = "cancelled"
|
||||
|
||||
if self._result_status == "succeeded":
|
||||
self.status = Nav2Status.SUCCEEDED
|
||||
elif self._result_status == "cancelled":
|
||||
@@ -276,55 +293,17 @@ class Nav2Navigator:
|
||||
def navigate_through_poses(self, poses: List[Tuple[float, float, float]],
|
||||
timeout_per_pose: float = 120.0,
|
||||
blocking: bool = True) -> bool:
|
||||
"""
|
||||
导航通过多个路径点(Nav2 navigate_through_poses action)
|
||||
|
||||
Args:
|
||||
poses: [(x, y, yaw), ...] 路径点列表
|
||||
timeout_per_pose: 每个点位的超时(秒)
|
||||
blocking: 是否阻塞等待完成
|
||||
|
||||
Returns:
|
||||
是否全部成功
|
||||
"""
|
||||
"""导航通过多个路径点(Nav2 navigate_through_poses action)"""
|
||||
if self.status == Nav2Status.NAVIGATING:
|
||||
logger.warning("导航正在进行中,请先停止")
|
||||
return False
|
||||
|
||||
if not self._check_nav2_available():
|
||||
logger.error("Nav2 action server 不可用")
|
||||
return False
|
||||
|
||||
if not poses:
|
||||
return True
|
||||
|
||||
# 构建 poses 列表
|
||||
poses_yaml_parts = []
|
||||
for i, (x, y, yaw) in enumerate(poses):
|
||||
qz = math.sin(yaw / 2.0)
|
||||
qw = math.cos(yaw / 2.0)
|
||||
poses_yaml_parts.append(
|
||||
f" - pose:\\n"
|
||||
f" header:\\n"
|
||||
f" stamp:\\n"
|
||||
f" sec: 0\\n"
|
||||
f" nanosec: 0\\n"
|
||||
f" frame_id: 'map'\\n"
|
||||
f" pose:\\n"
|
||||
f" position:\\n"
|
||||
f" x: {x}\\n"
|
||||
f" y: {y}\\n"
|
||||
f" z: 0.0\\n"
|
||||
f" orientation:\\n"
|
||||
f" x: 0.0\\n"
|
||||
f" y: 0.0\\n"
|
||||
f" z: {qz}\\n"
|
||||
f" w: {qw}"
|
||||
)
|
||||
|
||||
poses_yaml = "poses:\n" + "\n".join(poses_yaml_parts)
|
||||
logger.info(f"发送 {len(poses)} 个路径点的导航任务")
|
||||
|
||||
self._cancel_event.clear()
|
||||
self.status = Nav2Status.NAVIGATING
|
||||
|
||||
@@ -339,96 +318,94 @@ class Nav2Navigator:
|
||||
total_timeout = len(poses) * timeout_per_pose + 30
|
||||
self._nav_thread.join(timeout=total_timeout)
|
||||
return self.status == Nav2Status.SUCCEEDED
|
||||
|
||||
return True
|
||||
|
||||
def _nav_thread_func_multi(self, poses: List[Tuple[float, float, float]], timeout_per_pose: float):
|
||||
"""多路径点导航线程"""
|
||||
try:
|
||||
poses_yaml_parts = []
|
||||
setup = "source /opt/ros/humble/setup.bash && source /home/elephant/agv_pro_ros2/install/setup.bash"
|
||||
|
||||
# 构建 poses heredoc
|
||||
poses_lines = []
|
||||
for i, (x, y, yaw) in enumerate(poses):
|
||||
qz = math.sin(yaw / 2.0)
|
||||
qw = math.cos(yaw / 2.0)
|
||||
poses_yaml_parts.append(
|
||||
f" - pose:\\n"
|
||||
f" header:\\n"
|
||||
f" stamp:\\n"
|
||||
f" sec: 0\\n"
|
||||
f" nanosec: 0\\n"
|
||||
f" frame_id: 'map'\\n"
|
||||
f" pose:\\n"
|
||||
f" position:\\n"
|
||||
f" x: {x}\\n"
|
||||
f" y: {y}\
|
||||
"
|
||||
f" z: 0.0\\n"
|
||||
f" orientation:\\n"
|
||||
f" x: 0.0\\n"
|
||||
f" y: 0.0\\n"
|
||||
f" z: {qz}\\n"
|
||||
f" w: {qw}"
|
||||
)
|
||||
poses_lines.extend([
|
||||
f" - pose:",
|
||||
f" header:",
|
||||
f" stamp:",
|
||||
f" sec: 0",
|
||||
f" nanosec: 0",
|
||||
f" frame_id: map",
|
||||
f" pose:",
|
||||
f" position:",
|
||||
f" x: {x}",
|
||||
f" y: {y}",
|
||||
f" z: 0.0",
|
||||
f" orientation:",
|
||||
f" x: 0.0",
|
||||
f" y: 0.0",
|
||||
f" z: {qz}",
|
||||
f" w: {qw}",
|
||||
])
|
||||
poses_yaml = "poses:\n" + "\n".join(poses_lines)
|
||||
|
||||
poses_yaml = "poses:\n" + "\n".join(poses_yaml_parts)
|
||||
|
||||
cmd = (
|
||||
f"ros2 action send_goal /navigate_through_poses "
|
||||
f"nav2_msgs/action/NavigateThroughPoses "
|
||||
f"'{poses_yaml}' "
|
||||
f"--feedback"
|
||||
)
|
||||
|
||||
full_cmd = f"bash -c '{ROS2_SETUP_CMD} && {cmd}'"
|
||||
cmd = f'{setup} && ros2 action send_goal /navigate_through_poses nav2_msgs/action/NavigateThroughPoses - --feedback'
|
||||
|
||||
process = subprocess.Popen(
|
||||
full_cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True
|
||||
cmd, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True
|
||||
)
|
||||
|
||||
stdout_lines = []
|
||||
stop_reading = threading.Event()
|
||||
|
||||
def reader(pipe, lines):
|
||||
for line in iter(pipe.readline, ''):
|
||||
if stop_reading.is_set():
|
||||
break
|
||||
lines.append(line)
|
||||
|
||||
out_thread = threading.Thread(target=reader, args=(process.stdout, stdout_lines))
|
||||
out_thread.start()
|
||||
|
||||
try:
|
||||
process.stdin.write(poses_yaml + "\n")
|
||||
process.stdin.flush()
|
||||
process.stdin.close()
|
||||
except Exception as e:
|
||||
logger.error(f"写入 poses heredoc 失败: {e}")
|
||||
self.status = Nav2Status.FAILED
|
||||
return
|
||||
|
||||
result_received = False
|
||||
|
||||
while not self._cancel_event.is_set():
|
||||
import select
|
||||
reads = [process.stdout]
|
||||
ready, _, _ = select.select(reads, [], [], 1.0)
|
||||
time.sleep(1.0)
|
||||
full_out = "".join(stdout_lines)
|
||||
|
||||
if process.stdout in ready:
|
||||
line = process.stdout.readline()
|
||||
if not line:
|
||||
break
|
||||
line = line.strip()
|
||||
|
||||
if "succeeded" in line.lower():
|
||||
logger.info(f"✅ Nav2 路径点导航成功完成 {len(poses)} 个点")
|
||||
self._result_status = "succeeded"
|
||||
result_received = True
|
||||
break
|
||||
elif "failed" in line.lower() or "aborted" in line.lower():
|
||||
logger.warning(f"⚠️ Nav2 路径点导航失败: {line}")
|
||||
self._result_status = "failed"
|
||||
result_received = True
|
||||
break
|
||||
elif "canceled" in line.lower() or "cancelled" in line.lower():
|
||||
self._result_status = "cancelled"
|
||||
result_received = True
|
||||
break
|
||||
|
||||
if process.poll() is not None:
|
||||
if not result_received:
|
||||
self._result_status = "failed"
|
||||
if "succeeded" in full_out.lower():
|
||||
logger.info(f"✅ Nav2 路径点导航成功完成 {len(poses)} 个点")
|
||||
self._result_status = "succeeded"
|
||||
result_received = True
|
||||
break
|
||||
if any(k in full_out.lower() for k in ["failed", "aborted"]):
|
||||
logger.warning(f"⚠️ Nav2 路径点导航失败")
|
||||
self._result_status = "failed"
|
||||
result_received = True
|
||||
break
|
||||
if any(k in full_out.lower() for k in ["canceled", "cancelled"]):
|
||||
self._result_status = "cancelled"
|
||||
result_received = True
|
||||
break
|
||||
|
||||
if self._cancel_event.is_set() and not result_received:
|
||||
logger.info("取消路径点导航...")
|
||||
cancel_cmd = f"bash -c '{ROS2_SETUP_CMD} && ros2 action cancel /navigate_through_poses'"
|
||||
subprocess.run(cancel_cmd, shell=True, timeout=3)
|
||||
self._result_status = "cancelled"
|
||||
if process.poll() is not None and not result_received:
|
||||
self._result_status = "failed"
|
||||
break
|
||||
|
||||
stop_reading.set()
|
||||
if process.poll() is None:
|
||||
process.terminate()
|
||||
try:
|
||||
process.wait(timeout=3)
|
||||
except subprocess.TimeoutExpired:
|
||||
process.kill()
|
||||
process.wait(timeout=3)
|
||||
out_thread.join(timeout=2)
|
||||
|
||||
if self._result_status == "succeeded":
|
||||
self.status = Nav2Status.SUCCEEDED
|
||||
@@ -445,8 +422,8 @@ class Nav2Navigator:
|
||||
"""取消当前导航"""
|
||||
if self.status == Nav2Status.NAVIGATING:
|
||||
self._cancel_event.set()
|
||||
# 发送取消命令
|
||||
cancel_cmd = f"bash -c '{ROS2_SETUP_CMD} && ros2 action cancel /navigate_to_pose 2>/dev/null || ros2 action cancel /navigate_through_poses 2>/dev/null || true'"
|
||||
setup = "source /opt/ros/humble/setup.bash && source /home/elephant/agv_pro_ros2/install/setup.bash"
|
||||
cancel_cmd = f"bash -l -c '{setup} && ros2 action cancel /navigate_to_pose 2>/dev/null || ros2 action cancel /navigate_through_poses 2>/dev/null || true'"
|
||||
subprocess.run(cancel_cmd, shell=True, timeout=3)
|
||||
self.status = Nav2Status.CANCELLED
|
||||
logger.info("导航已停止")
|
||||
|
||||
Reference in New Issue
Block a user