鸿蒙高并发环境下的服务状态监控系统 原创

#include <IPCKit/ipc_kit.h>
#include <thread>

class ServiceProcess {
public:
    ServiceProcess(OHIPCRemoteProxy* proxy) : proxy_(proxy) {}

    // 模拟服务状态更新
    void UpdateStatus(int status) {
        std::thread([this, status]() {
            OHIPCParcel *data = OH_IPCParcel_Create();
            if (data != nullptr) {
                OH_IPCParcel_WriteInt32(data, status);  // 写入状态数据
                SendStatusAsync(data);
                OH_IPCParcel_Destroy(data);
            }
        }).detach();
    }

private:
    void SendStatusAsync(OHIPCParcel* data) {
        OH_IPC_MessageOption option = { OH_IPC_REQUEST_MODE_ASYNC, 0 };
        OHIPCParcel *reply = OH_IPCParcel_Create();
        int result = OH_IPCRemoteProxy_SendRequest(proxy_, 1, data, reply, &option);
        
        if (result == OH_IPC_SUCCESS) {
            printf("Status updated successfully!\n");
        } else {
            printf("Failed to update status!\n");
        }
        
        OH_IPCParcel_Destroy(reply);
    }

    OHIPCRemoteProxy* proxy_;
};
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#include <IPCKit/ipc_kit.h>
#include <unordered_map>
#include <mutex>

class MonitorProcess {
public:
    MonitorProcess() {
        remoteStub_ = OH_IPCRemoteStub_Create("SERVICE_MONITOR", OnStatusReceived, nullptr, this);
        RegisterDeathRecipient();
    }

    static int OnStatusReceived(uint32_t code, const OHIPCParcel* data, OHIPCParcel* reply, void* userData) {
        int status = 0;
        if (OH_IPCParcel_ReadInt32(data, &status) == OH_IPC_SUCCESS) {
            auto* monitor = static_cast<MonitorProcess*>(userData);
            monitor->UpdateStatus(status);
        }
        return OH_IPC_SUCCESS;
    }

    void RegisterDeathRecipient() {
        deathRecipient_.onRemoteDied = [](void* userData) {
            auto* monitor = static_cast<MonitorProcess*>(userData);
            monitor->HandleProcessDeath();
        };
        OH_IPCRemoteStub_AddDeathRecipient(remoteStub_, &deathRecipient_);
    }

    void UpdateStatus(int status) {
        std::lock_guard<std::mutex> lock(statusMutex_);
        currentStatus_ = status;
        printf("服务状态已更新: %d\n", status);
    }

    void HandleProcessDeath() {
        printf("被监控进程消亡，开始资源清理并尝试重启服务...\n");
        // 实现资源回收逻辑，清理已分配资源，并尝试恢复服务
    }

private:
    OHIPCRemoteStub* remoteStub_;
    int currentStatus_;
    std::mutex statusMutex_;
    OHIPCDeathRecipient deathRecipient_;
};
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// 在服务端设置共享内存，用于接收多个服务状态
void InitSharedMemory() {
    sharedMemory = OH_IPCParcel_CreateSharedMemory("ServiceStatusBuffer", BUFFER_SIZE);
}

//

 定期从共享内存读取服务状态，并执行处理
void ReadSharedMemory() {
    while (true) {
        std::lock_guard<std::mutex> lock(memoryMutex);
        int serviceStatus = 0;
        memcpy(&serviceStatus, sharedMemory, sizeof(serviceStatus));
        printf("读取服务状态: %d\n", serviceStatus);
        std::this_thread::sleep_for(std::chrono::seconds(1));
    }
}
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