web服务器文件开发

.vscode/c_cpp_properties.json

@@ -3,9 +3,12 @@
         {
             "name": "Linux",
             "includePath": [
-                "${workspaceFolder}/**"
+                "${workspaceFolder}/**",
+                "/usr/include"
+            ],
+            "defines": [
+                "CROW_USE_BOOST"
             ],
-            "defines": [],
             "compilerPath": "/usr/bin/gcc",
             "cStandard": "c17",
             "cppStandard": "gnu++17",

CMakeLists.txt

@@ -9,7 +9,11 @@ find_package(spdlog REQUIRED)
 find_package(Boost REQUIRED COMPONENTS system thread)
 message(STATUS "Found Boost version: ${Boost_VERSION}")
 find_package(PahoMqttCpp REQUIRED)
+find_package(SQLite3 REQUIRED)
 
+# 在包含 Crow 子目录之前，设置一个 CMake 选项
+# 这会告诉 Crow 的构建脚本去使用 Boost 库中包含的 Asio
+add_subdirectory(src/vendor/crow)
 
 add_library(nlohmann_json INTERFACE)
 target_include_directories(nlohmann_json INTERFACE 
@@ -54,6 +58,9 @@ add_library(edge_proxy_lib STATIC
     # 数据缓存/断点续传
     src/dataCache/data_cache.cc
     src/dataCache/cache_uploader.cc
+
+    #web
+    src/web/web_server.cc
 )
 
 target_include_directories(edge_proxy_lib PUBLIC
@@ -65,11 +72,14 @@ target_link_libraries(edge_proxy_lib PRIVATE
     Boost::system
     Boost::thread
     PahoMqttCpp::paho-mqttpp3
-    sqlite3
+    SQLite::SQLite3
     pthread
     nlohmann_json
 )
 
+target_link_libraries(edge_proxy_lib PUBLIC
+    Crow
+)
 # =================================================================
 # Main Application Target (UNCOMMENTED AND ACTIVATED)
 # =================================================================

docker-compose.yml

@@ -21,6 +21,7 @@ services:
       - "8888:8888"
       - "9999:9999"
       - "502:502"
+      - "8080:8080"
     command: sleep infinity
 
   mqtt-broker:

docker/Dockerfile

@@ -21,6 +21,11 @@ RUN apt-get update && \
     git \
     gdb \
     vim \
+    # Piper TTS 所需的系统库
+    espeak-ng-data \
+    libespeak1 \
+    python3 \
+    python3-pip \
     # 开发库
     libssl-dev \
     libspdlog-dev \
@@ -68,8 +73,16 @@ RUN cd /tmp/build-context/external/paho.mqtt.c && \
     rm -rf /tmp/build-context && \
     # 在所有 apt 操作完成后，最后进行清理
     rm -rf /var/lib/apt/lists/*
+COPY piper_models/ /app/piper_models/
+
+RUN pip install --no-cache-dir --user piper-tts
+# 将 ~/.local/bin (包含 piper 二进制文件) 添加到 PATH
+RUN echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.bash_profile
+# 现在，dev 用户可以使用 `piper` 命令了，只要 shell 环境被正确加载。
+# 我们可以将最终的 CMD 设置为加载环境然后执行一个命令，或者留空让用户交互。
 
 # 5. 设置默认用户
 # =================================
 # 容器的默认用户将是 'dev'
-USER dev
+USER dev
+

piper_models/zh_CN-huayan-medium.onnx.json

@@ -0,0 +1,487 @@
+{
+  "audio": {
+    "sample_rate": 22050,
+    "quality": "medium"
+  },
+  "espeak": {
+    "voice": "cmn"
+  },
+  "inference": {
+    "noise_scale": 0.667,
+    "length_scale": 1,
+    "noise_w": 0.8
+  },
+  "phoneme_type": "espeak",
+  "phoneme_map": {},
+  "phoneme_id_map": {
+    "_": [
+      0
+    ],
+    "^": [
+      1
+    ],
+    "$": [
+      2
+    ],
+    " ": [
+      3
+    ],
+    "!": [
+      4
+    ],
+    "'": [
+      5
+    ],
+    "(": [
+      6
+    ],
+    ")": [
+      7
+    ],
+    ",": [
+      8
+    ],
+    "-": [
+      9
+    ],
+    ".": [
+      10
+    ],
+    ":": [
+      11
+    ],
+    ";": [
+      12
+    ],
+    "?": [
+      13
+    ],
+    "a": [
+      14
+    ],
+    "b": [
+      15
+    ],
+    "c": [
+      16
+    ],
+    "d": [
+      17
+    ],
+    "e": [
+      18
+    ],
+    "f": [
+      19
+    ],
+    "h": [
+      20
+    ],
+    "i": [
+      21
+    ],
+    "j": [
+      22
+    ],
+    "k": [
+      23
+    ],
+    "l": [
+      24
+    ],
+    "m": [
+      25
+    ],
+    "n": [
+      26
+    ],
+    "o": [
+      27
+    ],
+    "p": [
+      28
+    ],
+    "q": [
+      29
+    ],
+    "r": [
+      30
+    ],
+    "s": [
+      31
+    ],
+    "t": [
+      32
+    ],
+    "u": [
+      33
+    ],
+    "v": [
+      34
+    ],
+    "w": [
+      35
+    ],
+    "x": [
+      36
+    ],
+    "y": [
+      37
+    ],
+    "z": [
+      38
+    ],
+    "æ": [
+      39
+    ],
+    "ç": [
+      40
+    ],
+    "ð": [
+      41
+    ],
+    "ø": [
+      42
+    ],
+    "ħ": [
+      43
+    ],
+    "ŋ": [
+      44
+    ],
+    "œ": [
+      45
+    ],
+    "ǀ": [
+      46
+    ],
+    "ǁ": [
+      47
+    ],
+    "ǂ": [
+      48
+    ],
+    "ǃ": [
+      49
+    ],
+    "ɐ": [
+      50
+    ],
+    "ɑ": [
+      51
+    ],
+    "ɒ": [
+      52
+    ],
+    "ɓ": [
+      53
+    ],
+    "ɔ": [
+      54
+    ],
+    "ɕ": [
+      55
+    ],
+    "ɖ": [
+      56
+    ],
+    "ɗ": [
+      57
+    ],
+    "ɘ": [
+      58
+    ],
+    "ə": [
+      59
+    ],
+    "ɚ": [
+      60
+    ],
+    "ɛ": [
+      61
+    ],
+    "ɜ": [
+      62
+    ],
+    "ɞ": [
+      63
+    ],
+    "ɟ": [
+      64
+    ],
+    "ɠ": [
+      65
+    ],
+    "ɡ": [
+      66
+    ],
+    "ɢ": [
+      67
+    ],
+    "ɣ": [
+      68
+    ],
+    "ɤ": [
+      69
+    ],
+    "ɥ": [
+      70
+    ],
+    "ɦ": [
+      71
+    ],
+    "ɧ": [
+      72
+    ],
+    "ɨ": [
+      73
+    ],
+    "ɪ": [
+      74
+    ],
+    "ɫ": [
+      75
+    ],
+    "ɬ": [
+      76
+    ],
+    "ɭ": [
+      77
+    ],
+    "ɮ": [
+      78
+    ],
+    "ɯ": [
+      79
+    ],
+    "ɰ": [
+      80
+    ],
+    "ɱ": [
+      81
+    ],
+    "ɲ": [
+      82
+    ],
+    "ɳ": [
+      83
+    ],
+    "ɴ": [
+      84
+    ],
+    "ɵ": [
+      85
+    ],
+    "ɶ": [
+      86
+    ],
+    "ɸ": [
+      87
+    ],
+    "ɹ": [
+      88
+    ],
+    "ɺ": [
+      89
+    ],
+    "ɻ": [
+      90
+    ],
+    "ɽ": [
+      91
+    ],
+    "ɾ": [
+      92
+    ],
+    "ʀ": [
+      93
+    ],
+    "ʁ": [
+      94
+    ],
+    "ʂ": [
+      95
+    ],
+    "ʃ": [
+      96
+    ],
+    "ʄ": [
+      97
+    ],
+    "ʈ": [
+      98
+    ],
+    "ʉ": [
+      99
+    ],
+    "ʊ": [
+      100
+    ],
+    "ʋ": [
+      101
+    ],
+    "ʌ": [
+      102
+    ],
+    "ʍ": [
+      103
+    ],
+    "ʎ": [
+      104
+    ],
+    "ʏ": [
+      105
+    ],
+    "ʐ": [
+      106
+    ],
+    "ʑ": [
+      107
+    ],
+    "ʒ": [
+      108
+    ],
+    "ʔ": [
+      109
+    ],
+    "ʕ": [
+      110
+    ],
+    "ʘ": [
+      111
+    ],
+    "ʙ": [
+      112
+    ],
+    "ʛ": [
+      113
+    ],
+    "ʜ": [
+      114
+    ],
+    "ʝ": [
+      115
+    ],
+    "ʟ": [
+      116
+    ],
+    "ʡ": [
+      117
+    ],
+    "ʢ": [
+      118
+    ],
+    "ʲ": [
+      119
+    ],
+    "ˈ": [
+      120
+    ],
+    "ˌ": [
+      121
+    ],
+    "ː": [
+      122
+    ],
+    "ˑ": [
+      123
+    ],
+    "˞": [
+      124
+    ],
+    "β": [
+      125
+    ],
+    "θ": [
+      126
+    ],
+    "χ": [
+      127
+    ],
+    "ᵻ": [
+      128
+    ],
+    "ⱱ": [
+      129
+    ],
+    "0": [
+      130
+    ],
+    "1": [
+      131
+    ],
+    "2": [
+      132
+    ],
+    "3": [
+      133
+    ],
+    "4": [
+      134
+    ],
+    "5": [
+      135
+    ],
+    "6": [
+      136
+    ],
+    "7": [
+      137
+    ],
+    "8": [
+      138
+    ],
+    "9": [
+      139
+    ],
+    "̧": [
+      140
+    ],
+    "̃": [
+      141
+    ],
+    "̪": [
+      142
+    ],
+    "̯": [
+      143
+    ],
+    "̩": [
+      144
+    ],
+    "ʰ": [
+      145
+    ],
+    "ˤ": [
+      146
+    ],
+    "ε": [
+      147
+    ],
+    "↓": [
+      148
+    ],
+    "#": [
+      149
+    ],
+    "\"": [
+      150
+    ],
+    "↑": [
+      151
+    ]
+  },
+  "num_symbols": 256,
+  "num_speakers": 1,
+  "speaker_id_map": {},
+  "piper_version": "1.0.0",
+  "language": {
+    "code": "zh_CN",
+    "family": "zh",
+    "region": "CN",
+    "name_native": "简体中文",
+    "name_english": "Chinese",
+    "country_english": "China"
+  },
+  "dataset": "huayan"
+}

src/main.cpp

@@ -8,6 +8,7 @@
 #include "deviceManager/device_manager.h" 
 #include "dataCache/data_cache.h"
 #include "dataCache/cache_uploader.h"
+#include "web/web_server.h"
 
 #include <boost/asio.hpp>
 #include <boost/asio/steady_timer.hpp>
@@ -34,7 +35,7 @@ void poll_system_metrics(
     SystemMonitor::SystemMonitor& monitor,
     MqttClient& mqtt_client
 ) {
-    // ... 此函数内部逻辑保持不变 ...
+    if (g_io_context.stopped()) return;
     auto cpu_util = monitor.getCpuUtilization();
     auto mem_info = monitor.getMemoryInfo();
     double mem_total_gb = mem_info.total_kb / 1024.0 / 1024.0;
@@ -63,38 +64,33 @@ int main(int argc, char* argv[]) {
     signal(SIGTERM, signalHandler);
 
     try {
-        // --- 1. 初始化核心服务 ---
         MqttClient mqtt_client("tcp://mqtt-broker:1883", "edge-proxy-main-client");
         MqttRouter mqtt_router(mqtt_client);
         std::vector<uint16_t> listen_ports = { 8888 };
         TCPServer tcp_server(g_io_context, listen_ports, mqtt_client);
         SystemMonitor::SystemMonitor monitor;
 
-        // <<< MODIFIED: 初始化数据缓存和上传器 >>>
         DataCache data_cache;
-        if (!data_cache.open("edge_data_cache.db")) { // 数据库文件将创建在程序运行目录
+        if (!data_cache.open("edge_data_cache.db")) { 
             spdlog::critical("Failed to initialize data cache. Exiting.");
             return 1;
         }
         CacheUploader cache_uploader(g_io_context, mqtt_client, data_cache);
 
-        // <<< MODIFIED: 设置MQTT连接成功的回调，用于触发断点续传 >>>
         mqtt_client.set_connected_handler([&](const std::string& cause){
             spdlog::info("MQTT client connected: {}", cause);
-            // 当连接成功时，启动缓存上传
             cache_uploader.start_upload();
         });
         
-        // 现在再连接MQTT
         mqtt_client.connect();
         mqtt_router.start();
 
-        // --- 2. 启动系统状态监控定时器 ---
+
-        monitor.getCpuUtilization(); // 首次调用以初始化
+        monitor.getCpuUtilization(); 
         boost::asio::steady_timer system_monitor_timer(g_io_context, std::chrono::seconds(15));
         system_monitor_timer.async_wait(std::bind(poll_system_metrics, std::ref(system_monitor_timer), std::ref(monitor), std::ref(mqtt_client)));
 
-        // --- 3. <<< MODIFIED: 创建包含缓存逻辑的统一数据上报回调函数 >>>
+        // --- 创建包含缓存逻辑的统一数据上报回调函数 >>>
         auto report_to_mqtt = [&](const UnifiedData& data) {
             if (mqtt_client.is_connected()) {
                 // 网络正常，直接上报
@@ -109,19 +105,29 @@ int main(int argc, char* argv[]) {
             }
         };
 
-        // --- 4. 实例化设备管理器并从文件加载所有设备 (使用新的回调) ---
+        // 实例化设备管理器并从文件加载所有设备 (使用新的回调) 
         DeviceManager device_manager(g_io_context, report_to_mqtt);
-        // 默认从程序运行目录下的 "devices.json" 文件加载
         device_manager.load_and_start("../config/devices.json");
 
-        // --- 5. 启动主事件循环 (程序将阻塞在这里直到被信号中断) ---
+        WebServer web_server(monitor, 8080); 
+        web_server.start();
+
         spdlog::info("All services are running. Press Ctrl+C to exit.");
         g_io_context.run();
 
         // --- 清理工作 ---
         spdlog::info("Shutting down MQTT client...");
+
+        spdlog::info("Stopping device manager services...");
+        device_manager.stop_all();
+        spdlog::info("Stopping web server...");
+        web_server.stop();
+        spdlog::info("Disconnecting from MQTT broker...");
         mqtt_client.disconnect();
 
+        // mqtt_client.disconnect();
+        // web_server.stop();
+
     } catch (const std::exception& e) {
         spdlog::critical("An unhandled exception occurred: {}", e.what());
         return 1;

src/modbus/modbus_master_poller.h

@@ -3,7 +3,7 @@
 #define MODBUS_MASTER_POLLER_H
 
 #include "protocol/iprotocol_adapter.h" // For UnifiedData and ReportDataCallback
-#include "modbus_common.h"              // <<< MODIFIED: 包含通用配置定义
+#include "modbus_common.h"              
 #include <boost/asio.hpp>
 #include <memory>
 #include <string>

src/systemMonitor/system_monitor.cc

@@ -64,12 +64,21 @@ MemoryInfo SystemMonitor::getMemoryInfo() const {
     std::string meminfo_content = readFile("/proc/meminfo");
     std::istringstream stream(meminfo_content);
     std::string line;
+
+    // 遍历/proc/meminfo的每一行
     while (std::getline(stream, line)) {
+        // 查找并解析总内存
         if (line.rfind("MemTotal:", 0) == 0) {
             std::sscanf(line.c_str(), "MemTotal: %lu kB", &info.total_kb);
-            break;
+        }
+        // 查找并解析可用内存 (MemAvailable通常比MemFree更准确)
+        else if (line.rfind("MemAvailable:", 0) == 0) {
+            std::sscanf(line.c_str(), "MemAvailable: %lu kB", &info.available_kb);
         }
     }
+
+    // 如果系统中没有 MemAvailable 字段 (非常老的内核), 则将 available_kb 设为0
+    // 我们的 web_server 代码会处理这种情况
     return info;
 }
 

src/systemMonitor/system_monitor.h

@@ -27,6 +27,7 @@ struct StorageDevice {
 
 struct MemoryInfo {
     uint64_t total_kb = 0;
+    uint64_t available_kb = 0;
     // 未来可以添加 free, available, cached 等
 };
 
@@ -55,7 +56,6 @@ public:
     std::string getKernelLogs(int last_n_lines = 20) const;
 
 private:
-    // --- 核心工具函数（现在作为私有成员）---
     std::string readFile(const std::string& filePath) const;
     std::string execCommand(const char* cmd) const;
 

src/web/web_server.cc

@@ -0,0 +1,68 @@
+// 文件名: src/web/web_server.cc
+#include "web_server.h"
+#include "spdlog/spdlog.h"
+
+WebServer::WebServer(SystemMonitor::SystemMonitor& monitor, uint16_t port)
+    : m_monitor(monitor), m_port(port)
+{
+    // Crow默认会输出很多调试信息，我们可以将其日志级别调高，
+    // 以便只显示警告和错误，让我们的终端更干净。
+    m_app.loglevel(crow::LogLevel::Warning);
+    
+    // 调用函数来设置所有的API路由
+    setup_routes();
+}
+
+WebServer::~WebServer() {
+    stop();
+}
+
+void WebServer::start() {
+    if (m_thread.joinable()) {
+        spdlog::warn("Web server is already running.");
+        return;
+    }
+
+    // Crow的 run() 方法是一个阻塞操作，它会一直运行直到被停止。
+    // 因此，我们必须在一个独立的线程中启动它，否则它会卡住我们的主程序。
+    m_thread = std::thread([this]() {
+        spdlog::info("Starting Web server on port {}", m_port);
+        m_app.port(m_port).run();
+        spdlog::info("Web server has stopped.");
+    });
+}
+
+void WebServer::stop() {
+    // a. 停止Crow应用
+    m_app.stop();
+
+    // b. 等待线程执行完毕
+    if (m_thread.joinable()) {
+        m_thread.join();
+    }
+}
+
+void WebServer::setup_routes() {
+    // ----------------------------------------------------------------
+    // 定义第一个API路由: GET /api/system/status
+    // ----------------------------------------------------------------
+    CROW_ROUTE(m_app, "/api/system/status")
+    ([this] {
+        auto cpu_util = m_monitor.getCpuUtilization();
+        auto mem_info = m_monitor.getMemoryInfo();
+
+        crow::json::wvalue response;
+        response["cpu_usage_percentage"] = cpu_util.totalUsagePercentage;
+        response["memory_total_kb"] = mem_info.total_kb;
+        response["memory_free_kb"] = mem_info.available_kb;
+        response["memory_usage_percentage"] = (mem_info.total_kb > 0) 
+            ? (1.0 - static_cast<double>(mem_info.available_kb) / mem_info.total_kb) * 100.0
+            : 0.0;
+        
+
+        return response;
+    });
+
+    // 未来在这里添加更多的路由，例如:
+    // CROW_ROUTE(m_app, "/api/devices")([this]{ ... });
+}

src/web/web_server.h

@@ -0,0 +1,56 @@
+// 文件名: src/web/web_server.h
+#ifndef WEB_SERVER_H
+#define WEB_SERVER_H
+
+#include "crow.h" // 引入 Crow 库的头文件
+#include "systemMonitor/system_monitor.h"
+#include <thread>
+
+/**
+ * @brief Web服务器模块
+ * * 负责启动一个后台HTTP服务器，为前端提供RESTful API接口。
+ * 它在自己的线程中运行，以避免阻塞主程序的io_context事件循环。
+ */
+class WebServer {
+public:
+    /**
+     * @brief 构造函数
+     * @param monitor SystemMonitor的引用，用于获取系统状态数据
+     * @param port Web服务器监听的端口号，默认为8080
+     */
+    WebServer(SystemMonitor::SystemMonitor& monitor, uint16_t port = 8080);
+
+    /**
+     * @brief 析构函数
+     * * 确保在程序退出时，Web服务线程能够被安全地停止和清理。
+     */
+    ~WebServer();
+
+    // 禁止拷贝和赋值，因为该类管理着一个线程资源
+    WebServer(const WebServer&) = delete;
+    WebServer& operator=(const WebServer&) = delete;
+
+    /**
+     * @brief 在后台线程中启动Web服务
+     */
+    void start();
+
+    /**
+     * @brief 停止Web服务并等待线程退出
+     */
+    void stop();
+
+private:
+    /**
+     * @brief 设置所有的API路由（URL路径）
+     */
+    void setup_routes();
+
+    crow::SimpleApp m_app; // Crow 应用实例
+    SystemMonitor::SystemMonitor& m_monitor;
+    uint16_t m_port;
+    
+    std::thread m_thread; // 运行Web服务的后台线程
+};
+
+#endif // WEB_SERVER_H