DeviceEnumerator Class Reference

#include <device_enumerator.hpp>

Static Public Member Functions
static std::vector< DeviceInfo >	enumerate_linux_block_devices (bool include_health_probe=false)

Detailed Description

Definition at line 20 of file device_enumerator.hpp.

Member Function Documentation

enumerate_linux_block_devices()

std::vector< DeviceInfo > DeviceEnumerator::enumerate_linux_block_devices ( bool include_health_probe = false )

static

Definition at line 51 of file device_enumerator.cpp.

                                                                                               {
    std::vector<DeviceInfo> out;
    const fs::path sys_block{"/sys/block"};
 
    if (!fs::exists(sys_block) || !fs::is_directory(sys_block)) {
        return out;
    }
 
    for (const auto& entry : fs::directory_iterator(sys_block)) {
        const auto name = entry.path().filename().string();
        if (!is_real_disk_name(name)) {
            continue;
        }
 
        DeviceInfo d;
        d.name = name;
        d.path = "/dev/" + name;
        d.size_bytes = read_u64_file(entry.path() / "size") * 512ull;
        d.model = read_text_file(entry.path() / "device/model");
        d.transport = read_text_file(entry.path() / "device/subsystem" / "device" / "transport");
        d.type = (starts_with(name, "loop") || starts_with(name, "dm-")) ? "virtual" : "disk";
        d.removable = read_u64_file(entry.path() / "removable") != 0;
 
        if (starts_with(name, "nvme")) {
            d.transport = "NVMe";
        } else if (starts_with(name, "md")) {
            d.transport = "Linux RAID";
        } else if (starts_with(name, "dm-")) {
            d.transport = "Device Mapper";
        } else if (starts_with(name, "loop")) {
            d.transport = "Loop";
        } else if (d.transport.empty()) {
            d.transport = "Block";
        }
 
        if (include_health_probe) {
            const auto health = DeviceHealthProbe::probe(d.path);
            d.degraded = health.state != DeviceHealthState::Healthy;
            d.health_summary = health.summary;
        }
 
        out.push_back(d);
    }
 
    return out;
}

References DeviceInfo::degraded, DeviceInfo::health_summary, Healthy, DeviceInfo::model, DeviceInfo::name, DeviceInfo::path, DeviceHealthProbe::probe(), DeviceInfo::removable, DeviceInfo::size_bytes, DeviceInfo::transport, and DeviceInfo::type.

Referenced by MainWindow::refresh_devices().

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The documentation for this class was generated from the following files:

• BastionGuard/thirdparty/bastionguard-recovery-data/src/device_enumerator.hpp
• BastionGuard/thirdparty/bastionguard-recovery-data/src/device_enumerator.cpp