TCP可以正常使用

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2026-07-19 00:59:56 +08:00
parent fe107ea9af
commit f72d08328f
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test/ch395f_socket_test.py Normal file
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#!/usr/bin/env python3
"""
CH395F BSD Socket API 测试程序
用于测试 STM32F4 + CH395F 的网络功能
使用方法:
python ch395f_socket_test.py [模式] [选项]
模式:
tcp_server - 作为 TCP 服务器(测试 CH395F TCP Client
tcp_client - 作为 TCP 客户端(测试 CH395F TCP Server
udp_server - 作为 UDP 服务器(测试 CH395F UDP Client
udp_client - 作为 UDP 客户端(测试 CH395F UDP Server
tcp_echo - TCP 回显服务器(测试双向通信)
udp_echo - UDP 回显服务器(测试双向通信)
stress - 压力测试(多连接并发测试)
选项:
--ip 目标 IP 地址(默认: 192.168.1.100
--port 端口号(默认: 8080
--count 测试次数(默认: 10
--size 数据包大小(默认: 1024
示例:
# 测试 CH395F TCP Server
python ch395f_socket_test.py tcp_client --ip 192.168.1.100 --port 8080
# 测试 CH395F TCP Client
python ch395f_socket_test.py tcp_server --port 8080
# 测试 CH395F UDP Client
python ch395f_socket_test.py udp_server --port 8888
# 测试 CH395F UDP Server
python ch395f_socket_test.py udp_client --ip 192.168.1.100 --port 8888
# 压力测试(多连接)
python ch395f_socket_test.py stress --ip 192.168.1.100 --port 8080 --count 7
"""
import socket
import sys
import time
import argparse
import threading
import struct
import random
import string
from datetime import datetime
class Colors:
"""终端颜色"""
HEADER = '\033[95m'
BLUE = '\033[94m'
CYAN = '\033[96m'
GREEN = '\033[92m'
YELLOW = '\033[93m'
RED = '\033[91m'
END = '\033[0m'
BOLD = '\033[1m'
def log_msg(msg, color=Colors.END):
"""带时间戳的日志输出"""
timestamp = datetime.now().strftime("%H:%M:%S.%f")[:-3]
print(f"{Colors.CYAN}[{timestamp}]{Colors.END} {color}{msg}{Colors.END}")
def log_success(msg):
log_msg(f"{msg}", Colors.GREEN)
def log_error(msg):
log_msg(f"{msg}", Colors.RED)
def log_info(msg):
log_msg(f" {msg}", Colors.BLUE)
def log_warn(msg):
log_msg(f"{msg}", Colors.YELLOW)
def generate_data(size):
"""生成测试数据"""
return ''.join(random.choices(string.ascii_letters + string.digits, k=size)).encode()
def verify_data(data, expected_len):
"""验证数据"""
if len(data) != expected_len:
return False, f"长度不匹配: 期望 {expected_len}, 实际 {len(data)}"
return True, "OK"
# ==================== TCP 测试函数 ====================
def tcp_server_test(args):
"""TCP 服务器测试(测试 CH395F TCP Client"""
log_info("=" * 60)
log_info("TCP 服务器测试 - 测试 CH395F TCP Client 功能")
log_info("=" * 60)
server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server_socket.settimeout(30)
try:
server_socket.bind(('0.0.0.0', args.port))
server_socket.listen(1)
log_success(f"服务器启动,监听端口 {args.port}")
log_info("等待 CH395F TCP Client 连接...")
client_socket, client_addr = server_socket.accept()
log_success(f"连接来自: {client_addr[0]}:{client_addr[1]}")
client_socket.settimeout(5)
# 测试接收数据
log_info("-" * 40)
log_info("测试 1: 接收数据")
for i in range(args.count):
try:
data = client_socket.recv(args.size)
if data:
log_success(f"收到数据 ({len(data)} bytes): {data[:50]}...")
else:
log_error("收到空数据")
break
except socket.timeout:
log_error("接收超时")
break
except Exception as e:
log_error(f"接收错误: {e}")
break
# 测试发送数据
log_info("-" * 40)
log_info("测试 2: 发送数据")
for i in range(args.count):
try:
test_data = generate_data(min(100, args.size))
client_socket.send(test_data)
log_success(f"发送数据 ({len(test_data)} bytes)")
time.sleep(0.1)
except Exception as e:
log_error(f"发送错误: {e}")
break
# 测试双向通信
log_info("-" * 40)
log_info("测试 3: 双向通信")
for i in range(min(5, args.count)):
try:
# 发送
test_data = f"PING_{i}".encode()
client_socket.send(test_data)
log_info(f"发送: {test_data.decode()}")
# 接收回显
data = client_socket.recv(args.size)
if data:
log_info(f"收到: {data.decode()}")
if data == test_data:
log_success("回显数据匹配!")
else:
log_error("回显数据不匹配!")
except Exception as e:
log_error(f"通信错误: {e}")
break
client_socket.close()
log_success("测试完成,连接已关闭")
except socket.timeout:
log_error("等待连接超时")
except Exception as e:
log_error(f"服务器错误: {e}")
finally:
server_socket.close()
def tcp_client_test(args):
"""TCP 客户端测试(测试 CH395F TCP Server"""
log_info("=" * 60)
log_info("TCP 客户端测试 - 测试 CH395F TCP Server 功能")
log_info("=" * 60)
client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
client_socket.settimeout(10)
try:
# 连接服务器
log_info(f"正在连接 CH395F TCP Server: {args.ip}:{args.port}")
client_socket.connect((args.ip, args.port))
log_success("连接成功!")
# 测试发送数据
log_info("-" * 40)
log_info("测试 1: 发送数据")
for i in range(args.count):
try:
test_data = generate_data(min(100, args.size))
client_socket.send(test_data)
log_success(f"发送数据 ({len(test_data)} bytes)")
log_info(f"发送 hex: {' '.join(f'{b:02X}' for b in test_data[:16])}")
# 等待回显
data = client_socket.recv(args.size)
if data:
log_info(f"接收 hex: {' '.join(f'{b:02X}' for b in data[:16])}")
log_info(f"接收长度: {len(data)}, 期望长度: {len(test_data)}")
if data == test_data:
log_success("回显数据匹配!")
else:
log_error("回显数据不匹配!")
# 找出第一个不同的字节
for j in range(min(len(data), len(test_data))):
if data[j] != test_data[j]:
log_error(f"首个差异: 位置 {j}, 发送={test_data[j]:02X}, 接收={data[j]:02X}")
break
else:
log_error("收到空数据")
break
time.sleep(0.1)
except Exception as e:
log_error(f"发送/接收错误: {e}")
break
# 测试大数据量
log_info("-" * 40)
log_info("测试 2: 大数据量传输")
try:
large_data = generate_data(min(1024, args.size))
client_socket.send(large_data)
log_success(f"发送大数据 ({len(large_data)} bytes)")
received = b""
while len(received) < len(large_data):
chunk = client_socket.recv(min(1024, len(large_data) - len(received)))
if not chunk:
break
received += chunk
if received == large_data:
log_success("大数据传输完整!")
else:
log_error(f"大数据传输不完整: 发送 {len(large_data)}, 接收 {len(received)}")
except Exception as e:
log_error(f"大数据传输错误: {e}")
# 测试快速收发
log_info("-" * 40)
log_info("测试 3: 快速收发")
success_count = 0
fail_count = 0
start_time = time.time()
for i in range(args.count):
try:
test_data = f"FAST_{i:04d}".encode()
client_socket.send(test_data)
data = client_socket.recv(100)
if data and data == test_data:
success_count += 1
else:
fail_count += 1
except Exception as e:
fail_count += 1
elapsed = time.time() - start_time
log_info(f"快速收发结果: 成功 {success_count}, 失败 {fail_count}, 耗时 {elapsed:.2f}s")
client_socket.close()
log_success("测试完成,连接已关闭")
except ConnectionRefusedError:
log_error("连接被拒绝 - CH395F TCP Server 未运行")
except socket.timeout:
log_error("连接超时")
except Exception as e:
log_error(f"客户端错误: {e}")
finally:
client_socket.close()
# ==================== UDP 测试函数 ====================
def udp_server_test(args):
"""UDP 服务器测试(测试 CH395F UDP Client"""
log_info("=" * 60)
log_info("UDP 服务器测试 - 测试 CH395F UDP Client 功能")
log_info("=" * 60)
server_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server_socket.settimeout(30)
try:
server_socket.bind(('0.0.0.0', args.port))
log_success(f"服务器启动,监听端口 {args.port}")
log_info("等待 CH395F UDP Client 数据...")
# 接收数据
for i in range(args.count):
try:
data, client_addr = server_socket.recvfrom(args.size)
log_success(f"收到来自 {client_addr[0]}:{client_addr[1]} ({len(data)} bytes)")
log_info(f"数据: {data[:50]}...")
# 回显数据
server_socket.sendto(data, client_addr)
log_info(f"回显数据到 {client_addr[0]}:{client_addr[1]}")
except socket.timeout:
log_warn("接收超时")
break
except Exception as e:
log_error(f"接收错误: {e}")
break
log_success("测试完成")
except Exception as e:
log_error(f"服务器错误: {e}")
finally:
server_socket.close()
def udp_client_test(args):
"""UDP 客户端测试(测试 CH395F UDP Server"""
log_info("=" * 60)
log_info("UDP 客户端测试 - 测试 CH395F UDP Server 功能")
log_info("=" * 60)
client_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
client_socket.settimeout(5)
try:
dest_addr = (args.ip, args.port)
# 发送数据
log_info("-" * 40)
log_info("测试 1: 发送 UDP 数据")
for i in range(args.count):
try:
test_data = f"UDP_MSG_{i:04d}".encode()
client_socket.sendto(test_data, dest_addr)
log_success(f"发送数据到 {args.ip}:{args.port} ({len(test_data)} bytes)")
# 等待回显
data, addr = client_socket.recvfrom(args.size)
if data:
if data == test_data:
log_success(f"回显数据匹配! (from {addr[0]}:{addr[1]})")
else:
log_error("回显数据不匹配!")
else:
log_error("收到空数据")
break
time.sleep(0.2)
except socket.timeout:
log_warn("接收超时")
except Exception as e:
log_error(f"发送/接收错误: {e}")
break
# 测试大数据
log_info("-" * 40)
log_info("测试 2: 大数据 UDP 传输")
try:
large_data = generate_data(min(512, args.size))
client_socket.sendto(large_data, dest_addr)
log_success(f"发送大数据 ({len(large_data)} bytes)")
data, addr = client_socket.recvfrom(args.size)
if data and data == large_data:
log_success("大数据传输完整!")
else:
log_error("大数据传输失败")
except Exception as e:
log_error(f"大数据传输错误: {e}")
log_success("测试完成")
except Exception as e:
log_error(f"客户端错误: {e}")
finally:
client_socket.close()
# ==================== 回显测试 ====================
def tcp_echo_server_test(args):
"""TCP 回显服务器测试"""
log_info("=" * 60)
log_info("TCP 回显服务器测试 - 测试双向通信功能")
log_info("=" * 60)
server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server_socket.settimeout(60)
try:
server_socket.bind(('0.0.0.0', args.port))
server_socket.listen(1)
log_success(f"回显服务器启动,端口 {args.port}")
log_info("等待连接...")
client_socket, client_addr = server_socket.accept()
log_success(f"连接来自: {client_addr[0]}:{client_addr[1]}")
client_socket.settimeout(5)
# 循环回显
echo_count = 0
start_time = time.time()
log_info("开始回显测试 (按 Ctrl+C 停止)...")
while echo_count < args.count:
try:
data = client_socket.recv(args.size)
if not data:
log_warn("客户端断开连接")
break
echo_count += 1
client_socket.send(data)
if echo_count % 10 == 0:
elapsed = time.time() - start_time
rate = echo_count / elapsed if elapsed > 0 else 0
log_info(f"回显 {echo_count} 次, 速率: {rate:.1f} msg/s")
except socket.timeout:
continue
except Exception as e:
log_error(f"回显错误: {e}")
break
elapsed = time.time() - start_time
log_success(f"回显测试完成: {echo_count} 次, 耗时 {elapsed:.2f}s")
client_socket.close()
except Exception as e:
log_error(f"服务器错误: {e}")
finally:
server_socket.close()
def udp_echo_server_test(args):
"""UDP 回显服务器测试"""
log_info("=" * 60)
log_info("UDP 回显服务器测试 - 测试双向通信功能")
log_info("=" * 60)
server_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server_socket.settimeout(60)
try:
server_socket.bind(('0.0.0.0', args.port))
log_success(f"UDP 回显服务器启动,端口 {args.port}")
log_info("等待数据...")
echo_count = 0
start_time = time.time()
clients = set()
while echo_count < args.count:
try:
data, client_addr = server_socket.recvfrom(args.size)
if not data:
continue
clients.add(client_addr)
echo_count += 1
# 回显数据
server_socket.sendto(data, client_addr)
if echo_count % 10 == 0:
elapsed = time.time() - start_time
rate = echo_count / elapsed if elapsed > 0 else 0
log_info(f"回显 {echo_count} 次, 客户端数: {len(clients)}, 速率: {rate:.1f} msg/s")
except socket.timeout:
continue
except Exception as e:
log_error(f"回显错误: {e}")
break
elapsed = time.time() - start_time
log_success(f"回显测试完成: {echo_count} 次, 耗时 {elapsed:.2f}s")
except Exception as e:
log_error(f"服务器错误: {e}")
finally:
server_socket.close()
# ==================== 压力测试 ====================
def stress_test_thread(client_id, args, results):
"""压力测试线程"""
thread_name = f"Client-{client_id}"
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(10)
try:
sock.connect((args.ip, args.port))
log_success(f"[{thread_name}] 连接成功")
success_count = 0
fail_count = 0
for i in range(args.count):
try:
# 发送
test_data = f"T{client_id:02d}_{i:04d}".encode()
sock.send(test_data)
# 接收
data = sock.recv(100)
if data and data == test_data:
success_count += 1
else:
fail_count += 1
except Exception as e:
fail_count += 1
results[client_id] = (success_count, fail_count)
log_info(f"[{thread_name}] 完成: 成功 {success_count}, 失败 {fail_count}")
except Exception as e:
log_error(f"[{thread_name}] 错误: {e}")
results[client_id] = (0, args.count)
finally:
sock.close()
def stress_test(args):
"""压力测试(多连接并发)"""
log_info("=" * 60)
log_info("压力测试 - 多连接并发")
log_info("=" * 60)
num_clients = min(args.count, 7) # CH395F 最多支持 7 个并发连接
log_info(f"创建 {num_clients} 个并发连接...")
results = {}
threads = []
# 创建并启动线程
for i in range(num_clients):
thread = threading.Thread(
target=stress_test_thread,
args=(i, args, results)
)
threads.append(thread)
thread.start()
time.sleep(0.1) # 错开连接时间
# 等待所有线程完成
for thread in threads:
thread.join()
# 汇总结果
total_success = sum(r[0] for r in results.values())
total_fail = sum(r[1] for r in results.values())
log_info("-" * 40)
log_info("压力测试结果:")
log_info(f" 并发连接数: {num_clients}")
log_info(f" 每连接测试次数: {args.count}")
log_info(f" 总成功: {total_success}")
log_info(f" 总失败: {total_fail}")
log_info(f" 成功率: {total_success/(total_success+total_fail)*100:.1f}%")
if total_fail == 0:
log_success("压力测试通过!")
else:
log_error("压力测试有失败!")
# ==================== 数据包大小测试 ====================
def packet_size_test(args):
"""不同数据包大小测试"""
log_info("=" * 60)
log_info("数据包大小测试")
log_info("=" * 60)
client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
client_socket.settimeout(5)
try:
client_socket.connect((args.ip, args.port))
log_success("连接成功")
# 测试不同的数据包大小
test_sizes = [1, 10, 100, 512, 1024, 2048, 4096]
for size in test_sizes:
try:
test_data = generate_data(size)
start_time = time.time()
client_socket.send(test_data)
received = b""
while len(received) < size:
chunk = client_socket.recv(size - len(received))
if not chunk:
break
received += chunk
elapsed = time.time() - start_time
if received == test_data:
rate = size / elapsed / 1024 if elapsed > 0 else 0
log_success(f"大小 {size:5d} bytes: 成功, 速率 {rate:.1f} KB/s")
else:
log_error(f"大小 {size:5d} bytes: 数据不匹配")
except Exception as e:
log_error(f"大小 {size:5d} bytes: 错误 - {e}")
time.sleep(0.1)
except Exception as e:
log_error(f"测试错误: {e}")
finally:
client_socket.close()
# ==================== 主程序 ====================
def main():
parser = argparse.ArgumentParser(
description='CH395F BSD Socket API 测试程序',
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog="""
示例:
%(prog)s tcp_client --ip 192.168.1.100 --port 8080
%(prog)s tcp_server --port 8080
%(prog)s stress --ip 192.168.1.100 --port 8080 --count 5
"""
)
parser.add_argument('mode', choices=['tcp_server', 'tcp_client', 'udp_server', 'udp_client',
'tcp_echo', 'udp_echo', 'stress', 'packet_size'],
help='测试模式')
parser.add_argument('--ip', default='192.168.1.100', help='目标 IP 地址')
parser.add_argument('--port', type=int, default=8080, help='端口号')
parser.add_argument('--count', type=int, default=10, help='测试次数')
parser.add_argument('--size', type=int, default=1024, help='数据包大小')
args = parser.parse_args()
print()
print(Colors.BOLD + "=" * 60 + Colors.END)
print(Colors.BOLD + " CH395F BSD Socket API 测试程序" + Colors.END)
print(Colors.BOLD + "=" * 60 + Colors.END)
print()
try:
if args.mode == 'tcp_server':
tcp_server_test(args)
elif args.mode == 'tcp_client':
tcp_client_test(args)
elif args.mode == 'udp_server':
udp_server_test(args)
elif args.mode == 'udp_client':
udp_client_test(args)
elif args.mode == 'tcp_echo':
tcp_echo_server_test(args)
elif args.mode == 'udp_echo':
udp_echo_server_test(args)
elif args.mode == 'stress':
stress_test(args)
elif args.mode == 'packet_size':
packet_size_test(args)
except KeyboardInterrupt:
log_warn("用户中断")
except Exception as e:
log_error(f"未预期的错误: {e}")
import traceback
traceback.print_exc()
if __name__ == '__main__':
main()