add ip device reader

Signed-off-by: Pascal Bauer <[email protected]>

common/include/villas/kernel/devices/ip_device_reader.hpp

@@ -0,0 +1,38 @@
+/* Devicetree reader which parses fpga ip devices from a filesystem path
+ *
+ * Author: Pascal Bauer <[email protected]>
+ *
+ * SPDX-FileCopyrightText: 2023-2024 Pascal Bauer <[email protected]>
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include <filesystem>
+#include <stdexcept>
+#include <vector>
+
+#include <villas/kernel/devices/ip_device.hpp>
+#include <villas/utils.hpp>
+
+class IpDeviceReader {
+public:
+  std::vector<villas::kernel::devices::IpDevice>
+  read(std::filesystem::path devices_directory) const {
+    std::vector<villas::kernel::devices::IpDevice> devices;
+
+    const std::vector<std::string> devicetree_names =
+        villas::utils::read_names_in_directory(devices_directory);
+
+    for (auto devicetree_name : devicetree_names) {
+      auto path_to_device =
+          devices_directory / std::filesystem::path(devicetree_name);
+      try {
+        auto device = villas::kernel::devices::IpDevice::from(path_to_device);
+        devices.push_back(device);
+      } catch (std::runtime_error &e) {
+      }
+    }
+    return devices;
+  }
+};