fix(web): solve p0 mapping, nested validation, and add health checks

main.py

@@ -178,10 +178,11 @@ def show_algo_library():
     
     # 环境状态概览
     with st.expander("🖥️ 当前环境能力", expanded=False):
-        col1, col2, col3 = st.columns(3)
+        col1, col2, col3, col4 = st.columns(4)
         col1.metric("Python", "✅ 可用")
         col2.metric("MATLAB/Octave", "✅ 可用" if "matlab" in available_types else "❌ 不可用")
         col3.metric("C++ 运行时", "✅ 可用" if "cpp" in available_types else "❌ 不可用")
+        col4.metric("Web 桥接", "✅ 可用" if "web" in available_types else "❌ 不可用")
         st.json(env)
     
     st.subheader("已注册算法")
@@ -208,6 +209,16 @@ def show_algo_library():
                 st.write(f"**入口**: `{algo.get('lib_path', 'N/A')}::{algo.get('function', 'N/A')}`")
             elif algo_type == "matlab":
                 st.write(f"**入口**: `{algo.get('m_path', 'N/A')}::{algo.get('function', 'N/A')}`")
+            elif algo_type == "web":
+                endpoint = algo.get('endpoint', 'N/A')
+                st.write(f"**端点**: `{endpoint}`")
+                if st.button(f"🌐 测试连接: {algo['name']}", key=f"ping_{algo['name']}"):
+                    from src.env_detect import check_endpoint_active
+                    active, msg = check_endpoint_active(endpoint)
+                    if active:
+                        st.success(f"✅ 联通正常: {msg}")
+                    else:
+                        st.error(f"❌ 无法访问: {msg}")
             else:
                 st.write(f"**入口**: `{algo.get('function', 'N/A')}`")
             
@@ -395,10 +406,18 @@ def show_scheduling():
                         param: (spec or {}).get("field") or param
                         for param, spec in (algo.get("inputs") or {}).items()
                     }
-                    out_map = {
+                    if algo_type == "web":
-                        str((spec or {}).get("index", 0)): field
+                        # Web 类型使用 Key 映射 (如 transmission_loss -> vis_data.tl_result_path)
-                        for field, spec in (algo.get("outputs") or {}).items()
+                        out_map = {
-                    }
+                            field_name: (spec or {}).get("field") or field_name
+                            for field_name, spec in (algo.get("outputs") or {}).items()
+                        }
+                    else:
+                        # 传统类型使用 Index 映射 (如 0 -> clean_data)
+                        out_map = {
+                            str((spec or {}).get("index", 0)): field
+                            for field, spec in (algo.get("outputs") or {}).items()
+                        }
                     preprocessing = []
 
                 from src.bridges import PythonBridge, CppBridge

src/bridges.py

@@ -468,7 +468,7 @@ class WebBridge(AlgorithmBridge):
         from src.resource_slots import slot_context
         from src.security import (
             validate_endpoint_host, sanitize_output_params, 
-            generate_run_id, version_tracker
+            generate_run_id, version_tracker, validate_critical_enums
         )
         
         try:
@@ -484,6 +484,9 @@ class WebBridge(AlgorithmBridge):
                 if value is not None:
                     request_params[http_field] = value
             
+            # 3. 业务逻辑检查：关键参数枚举校验
+            validate_critical_enums(request_params)
+            
             # 3. 清洗输出参数（生成唯一 run_id）
             run_id = generate_run_id()
             if self.sanitize_output:

src/env_detect.py

@@ -36,6 +36,15 @@ def _check_ld_paths() -> List[str]:
     return paths[:10]  # 限制输出长度
 
 
+def _cpp_runtime_available() -> bool:
+    """检测 C++ 运行时能力（不依赖编译器）"""
+    try:
+        import ctypes  # noqa: F401
+    except Exception:
+        return False
+    return platform.system().lower() in {"linux", "darwin", "windows"}
+
+
 def collect_env_info() -> Dict[str, Any]:
     """收集完整的环境信息"""
     compilers = {
@@ -45,6 +54,8 @@ def collect_env_info() -> Dict[str, Any]:
         "clang++": shutil.which("clang++"),
         "cl": shutil.which("cl"),  # MSVC
     }
+    compile_available = any(compilers.values())
+    runtime_available = _cpp_runtime_available()
     
     return {
         "python": {
@@ -64,11 +75,15 @@ def collect_env_info() -> Dict[str, Any]:
         },
         "cpp": {
             "compilers": {k: v for k, v in compilers.items() if v},
-            "any_available": any(compilers.values()),
+            "compile_available": compile_available,
+            "runtime_available": runtime_available,
+            # Backward-compatible alias (historically used as "is cpp usable")
+            "any_available": runtime_available,
         },
         "ld_paths": _check_ld_paths(),
         "scipy_available": _has_module("scipy"),
         "numpy_available": _has_module("numpy"),
+        "web_available": _has_module("requests"),
     }
 
 
@@ -80,12 +95,33 @@ def get_available_algo_types() -> List[str]:
     if env["matlab"]["engine_available"] or env["matlab"]["oct2py_available"] or env["matlab"]["octave_cli"]:
         types.append("matlab")
     
-    if env["cpp"]["any_available"]:
+    # C++ 运行时可用即视为可执行（编译器仅影响“从源码编译”能力）
+    if env["cpp"]["runtime_available"]:
         types.append("cpp")
+
+    if env["web_available"]:
+        types.append("web")
     
     return types
 
 
+def check_endpoint_active(url: str, timeout: int = 5) -> Tuple[bool, str]:
+    """检查远程端点是否存活"""
+    try:
+        import requests
+        # 对根路径发起 GET 请求进行探活
+        from urllib.parse import urljoin, urlparse
+        parsed = urlparse(url)
+        base_url = f"{parsed.scheme}://{parsed.netloc}"
+        
+        resp = requests.get(base_url, timeout=timeout)
+        if resp.status_code < 500:
+            return True, f"Active (HTTP {resp.status_code})"
+        return False, f"Server Error (HTTP {resp.status_code})"
+    except Exception as e:
+        return False, f"Disconnected: {str(e)}"
+
+
 def get_actionable_suggestions() -> List[Dict[str, str]]:
     """针对故障环境提供具体的修复指令建议"""
     env = collect_env_info()
@@ -106,10 +142,16 @@ def get_actionable_suggestions() -> List[Dict[str, str]]:
         })
 
     # C++ 建议
-    if not env["cpp"]["any_available"]:
+    if not env["cpp"]["runtime_available"]:
+        suggestions.append({
+            "target": "C++ Runtime",
+            "reason": "当前 Python 环境缺少 ctypes/动态链接支持",
+            "fix": "请使用包含 ctypes 的标准 Python 发行版，或联系交付方提供兼容运行环境。",
+        })
+    elif not env["cpp"]["compile_available"]:
         suggestions.append({
             "target": "C++ Compiler",
-            "reason": "未检测到 gcc/g++/clang 等编译器",
+            "reason": "未检测到 gcc/g++/clang 等编译器（仅影响“从源码编译”能力）",
             "fix": "建议安装基础构建工具: `sudo apt install build-essential`"
         })
 

src/scheduler.py

@@ -86,6 +86,6 @@ class CoreScheduler:
                     # 按声明的输出类型填充哑元数据，让后续步骤能做类型/维度校验
                     spec = output_specs.get(attr) or {}
                     expected_type = spec.get("type") or "ndarray"
-                    setattr(temp_data, attr, _dummy_value(expected_type))
+                    FlowValidator._set_nested_field(temp_data, attr, _dummy_value(expected_type))
 
         return issues

src/security.py

@@ -87,6 +87,26 @@ def sanitize_filename(filename: str) -> str:
     return re.sub(r'[^\w\-.]', '_', filename)
 
 
+def validate_critical_enums(params: Dict) -> None:
+    """
+    对关键参数进行枚举校验，防止远程服务静默回落 (Silent Fallback)
+    """
+    # 建模时间段白名单
+    ALLOWED_TIME_TYPES = {
+        "Annual", "January", "February", "March", "April", "May", "June",
+        "July", "August", "September", "October", "November", "December",
+        "Winter", "Spring", "Summer", "Autumn"
+    }
+    # 建模方法白名单
+    ALLOWED_MODEL_TYPES = {"bellhop", "kraken", "ram"}
+    
+    if "timeType" in params and params["timeType"] not in ALLOWED_TIME_TYPES:
+        raise ValueError(f"不合法的时间段类型: {params['timeType']}")
+        
+    if "modelType" in params and params["modelType"] not in ALLOWED_MODEL_TYPES:
+        raise ValueError(f"不支持的声学模型类型: {params['modelType']}")
+
+
 class ServiceVersionTracker:
     """服务版本追踪器，用于审计与回滚"""
     

src/validator.py

@@ -58,17 +58,57 @@ class FlowValidator:
 
         return errors
 
+    @staticmethod
+    def _get_nested_field(obj: Any, path: str) -> Any:
+        """支持 'sea_env.modeling.freq_hz' 这种嵌套取值"""
+        for key in path.split('.'):
+            if obj is None:
+                return None
+            if isinstance(obj, dict):
+                obj = obj.get(key)
+            else:
+                obj = getattr(obj, key, None)
+        return obj
+
+    @staticmethod
+    def _set_nested_field(obj: Any, path: str, value: Any) -> None:
+        """支持 'vis_data.tl_result_path' 这种嵌套写入"""
+        keys = path.split('.')
+        for key in keys[:-1]:
+            if isinstance(obj, dict):
+                if key not in obj:
+                    obj[key] = {}
+                obj = obj[key]
+            else:
+                if not hasattr(obj, key):
+                    setattr(obj, key, {})
+                next_obj = getattr(obj, key)
+                if not isinstance(next_obj, dict):
+                    setattr(obj, key, {})
+                    next_obj = getattr(obj, key)
+                obj = next_obj
+        
+        final_key = keys[-1]
+        if isinstance(obj, dict):
+            obj[final_key] = value
+        else:
+            setattr(obj, final_key, value)
+
     @staticmethod
     def check_field_existence(data: WaterSoundData, field_name: str) -> Tuple[bool, str, str]:
-        """1. 字段存在性校验"""
+        """1. 字段存在性校验 (支持嵌套路径)"""
-        if not hasattr(data, field_name) or getattr(data, field_name) is None:
+        val = FlowValidator._get_nested_field(data, field_name)
-            return False, f"缺少必要字段: {field_name}", f"建议：请在流程前置步骤中增加输出 '{field_name}' 的算法，或手动配置输入。"
+        if val is None:
+            return False, f"缺少必要字段/属性: {field_name}", f"建议：请在流程前置步骤中增加输出 '{field_name}' 的算法，或手动配置输入。"
         return True, "", ""
 
     @staticmethod
     def check_data_type(data: WaterSoundData, field_name: str, expected_type: str) -> Tuple[bool, str, str]:
-        """2. 类型校验"""
+        """2. 类型校验 (支持嵌套路径)"""
-        val = getattr(data, field_name)
+        val = FlowValidator._get_nested_field(data, field_name)
+        if val is None:
+            return True, "", "" # 存在性由上一个 check 负责
+        
         actual_type = type(val).__name__
         
         type_map = {
@@ -85,9 +125,9 @@ class FlowValidator:
 
     @staticmethod
     def check_dimensions(data: WaterSoundData, field_name: str, expected_dim: List[Optional[int]]) -> Tuple[bool, str, str]:
-        """3. 维度校验"""
+        """3. 维度校验 (支持嵌套路径)"""
-        val = getattr(data, field_name)
+        val = FlowValidator._get_nested_field(data, field_name)
-        if not isinstance(val, np.ndarray):
+        if val is None or not isinstance(val, np.ndarray):
             return True, "", "" # 非数组不校验维度
         
         actual_shape = val.shape
@@ -115,12 +155,13 @@ class FlowValidator:
             return True, "", ""
 
         if algo_type == "cpp":
-            if env_info.get("cpp", {}).get("any_available"):
+            cpp_info = env_info.get("cpp", {})
+            if cpp_info.get("runtime_available") or cpp_info.get("any_available"):
                 return True, "", ""
             return (
                 False,
-                "当前环境未检测到可用的 C/C++ 工具链",
+                "当前环境未检测到可用的 C++ 动态库运行时能力",
-                "建议：安装 MinGW/GCC/MSVC（或在交付包中提供已编译的动态库并更新检测策略）。",
+                "建议：使用包含 ctypes 的标准 Python，并确保系统支持动态链接（Linux: glibc/dlopen）。若需从源码编译，再安装 build-essential/clang。",
             )
 
         if algo_type == "matlab":

tests/test_core.py

@@ -84,6 +84,30 @@ def test_validation():
     assert issues[0]['algo'] == "Clean"
     print("Scheduler validation flow passed.")
 
+def test_nested_validation():
+    from src.validator import FlowValidator
+    from src.models import WaterSoundData
+    
+    wsd = WaterSoundData()
+    wsd.sea_env = {"modeling": {"freq_hz": 100}}
+    
+    # 1. 存在性校验
+    ok, msg, _ = FlowValidator.check_field_existence(wsd, "sea_env.modeling.freq_hz")
+    assert ok, f"Nested existence failed: {msg}"
+    
+    ok, _, _ = FlowValidator.check_field_existence(wsd, "sea_env.modeling.non_existent")
+    assert not ok, "Nested non-existence should fail"
+    
+    # 2. 类型校验
+    ok, msg, _ = FlowValidator.check_data_type(wsd, "sea_env.modeling.freq_hz", "int")
+    assert ok, f"Nested type check failed: {msg}"
+    
+    # 3. 嵌套写入仿真
+    FlowValidator._set_nested_field(wsd, "vis_data.tl_matrix.values", np.array([1, 2, 3]))
+    assert wsd.vis_data["tl_matrix"]["values"][1] == 2
+    
+    print("Nested validation test passed.")
+
 def test_sea_trial_pipeline():
     print("Starting sea-trial pipeline test...")
     from src.sample_algorithms import dc_removal_and_bandpass, quality_check, snr_estimation
@@ -113,6 +137,7 @@ def test_sea_trial_pipeline():
 def test_cpp_bridge():
     print("Starting C++ bridge test...")
     from src.bridges import CppBridge
+    from src.integrity import sha256_file
     
     lib_path = "src/sample_algos_cpp/simple_ops.so"
     if not os.path.exists(lib_path):
@@ -127,7 +152,8 @@ def test_cpp_bridge():
         lib_path,
         "multiply_by_factor_cpp",
         {"in_data": "clean_data"},
-        {"0": "final_result"}
+        {"0": "final_result"},
+        expected_sha256=sha256_file(lib_path),
     )
     
     scheduler = CoreScheduler()
@@ -143,6 +169,60 @@ def test_cpp_bridge():
     assert np.allclose(result.final_result, raw * 1.5)
     print("C++ bridge test passed.")
 
+def test_cpp_bridge_isolated():
+    print("Starting C++ bridge isolated test...")
+    from src.bridges import CppBridge
+    from src.integrity import sha256_file
+
+    lib_path = "src/sample_algos_cpp/simple_ops.so"
+    if not os.path.exists(lib_path):
+        print("C++ library not found, skipping isolated CPP test.")
+        return
+
+    raw = np.array([1.0, 2.0, 3.0, 4.0, 5.0], dtype=np.float64)
+    wsd = WaterSoundData(clean_data=raw)
+
+    cpp_bridge = CppBridge(
+        "GainCPP(Isolated)",
+        lib_path,
+        "multiply_by_factor_cpp",
+        {"in_data": "clean_data"},
+        {"0": "final_result"},
+        expected_sha256=sha256_file(lib_path),
+        isolate=True,
+    )
+
+    scheduler = CoreScheduler()
+    scheduler.set_flow([cpp_bridge])
+    result = scheduler.execute(wsd)
+
+    if result.status != "finished":
+        print(f"C++ Bridge Isolated Execution Failed: {result.error_info}")
+        for l in result.log:
+            print(f"  Log: {l}")
+
+    assert result.status == "finished"
+    assert np.allclose(result.final_result, raw * 1.5)
+    print("C++ bridge isolated test passed.")
+
+def test_python_loader_sha256():
+    print("Starting Python loader SHA256 test...")
+    from src.algo_loader import load_algo_func
+    from src.integrity import sha256_file
+
+    module_file = "src/sample_algorithms.py"
+    good_hash = sha256_file(module_file)
+    func = load_algo_func("src.sample_algorithms", "snr_estimation", expected_sha256=good_hash)
+    assert callable(func)
+
+    bad_hash = "0" * 64
+    try:
+        load_algo_func("src.sample_algorithms", "snr_estimation", expected_sha256=bad_hash)
+        assert False, "expected SHA256 mismatch to raise"
+    except Exception as e:
+        assert "SHA256" in str(e)
+    print("Python loader SHA256 test passed.")
+
 def test_matlab_bridge_fallback():
     print("Starting MATLAB bridge fallback test...")
     from src.bridges import MatlabBridge
@@ -171,4 +251,8 @@ if __name__ == "__main__":
     test_validation()
     test_sea_trial_pipeline()
     test_cpp_bridge()
+    test_cpp_bridge_isolated()
+    test_python_loader_sha256()
     test_matlab_bridge_fallback()
+    test_nested_validation()
+    print("\nAll Tests Passed Successfully! 🚀")