#!/usr/bin/env python3
"""
日志分析工具使用示例
演示如何使用 LogAnalyzer 工具分析日志并检测代码缺陷。
"""
import sys
from pathlib import Path
# 添加 src 目录到路径
ROOT_DIR = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT_DIR / "src"))
from mcp_services.log_analyzer.tool import LogAnalyzer
DEFAULT_LOGBACK_CONFIG = str(
ROOT_DIR
/ "src"
/ "mcp_services"
/ "log_analyzer"
/ "resources"
/ "logback-spring.xml"
)
def example_analyze_logs():
"""示例：分析错误日志"""
print("=" * 60)
print("示例 1: 分析错误日志")
print("=" * 60)
analyzer = LogAnalyzer(DEFAULT_LOGBACK_CONFIG)
# 分析错误日志
result = analyzer.analyze_logs(log_level="error", max_lines=500)
print(f"\n总共发现 {result['total_defects']} 个潜在缺陷")
print(f"分析的日志文件: {result['log_files_analyzed']}")
print(f"分析时间: {result['analysis_time']}")
# 显示前 5 个缺陷
print("\n前 5 个缺陷详情:")
for i, defect in enumerate(result['defects'][:5], 1):
print(f"\n缺陷 {i}:")
print(f" 类型: {defect['defect_type']}")
print(f" 严重程度: {defect['severity']}")
print(f" 修复建议: {defect['suggestion']}")
print(f" 日志行: {defect['log_line'][:80]}...")
def example_get_config():
"""示例：获取 logback 配置"""
print("\n" + "=" * 60)
print("示例 2: 获取 Logback 配置")
print("=" * 60)
analyzer = LogAnalyzer(DEFAULT_LOGBACK_CONFIG)
print("\nLogback 配置信息:")
print(f" 应用名称: {analyzer.app_name}")
print(f" 日志路径: {analyzer.log_path}")
print(f" 完整配置: {analyzer.config}")
def example_auto_fix():
"""示例：自动修复建议"""
print("\n" + "=" * 60)
print("示例 3: 生成自动修复建议")
print("=" * 60)
analyzer = LogAnalyzer()
# 模拟一个缺陷
defect_info = {
"defect_type": "空指针异常",
"pattern": r"NullPointerException",
"log_line": "java.lang.NullPointerException: null",
"severity": "high"
}
fix_result = analyzer.auto_fix_code(defect_info)
print(f"\n缺陷类型: {fix_result['defect']['defect_type']}")
print(f"修复状态: {fix_result['status']}")
if fix_result['fixes']:
print("\n修复建议:")
for fix in fix_result['fixes']:
print(f" 描述: {fix['description']}")
print(f" 修复前: {fix['before']}")
print(f" 修复后: {fix['after']}")
def example_search_logs():
"""示例：搜索日志"""
print("\n" + "=" * 60)
print("示例 4: 搜索日志关键词")
print("=" * 60)
analyzer = LogAnalyzer(DEFAULT_LOGBACK_CONFIG)
# 搜索关键词
keyword = "Exception"
log_files = [
f"{analyzer.log_path}/{analyzer.app_name}/log_error.log",
f"{analyzer.log_path}/{analyzer.app_name}/all.log"
]
matches = []
for log_file in log_files:
lines = analyzer._read_log_file(log_file, max_lines=100)
for line_num, line in enumerate(lines, 1):
if keyword.lower() in line.lower():
matches.append({
"file": log_file,
"line_number": line_num,
"content": line.strip()
})
print(f"\n搜索关键词: '{keyword}'")
print(f"找到 {len(matches)} 个匹配结果")
if matches:
print("\n前 3 个匹配结果:")
for match in matches[:3]:
print(f" 文件: {match['file']}")
print(f" 行号: {match['line_number']}")
print(f" 内容: {match['content'][:80]}...")
if __name__ == "__main__":
print("日志分析工具使用示例\n")
try:
example_get_config()
example_analyze_logs()
example_auto_fix()
example_search_logs()
except Exception as e:
print(f"\n错误: {e}")
print("提示: 请确保 logback-spring.xml 文件存在，并且日志文件路径正确")
