From 95dc3b114ced4b2a92b786e2d157cc74ee5affe4 Mon Sep 17 00:00:00 2001
From: Pascal Bauer <pascal.bauer@rwth-aachen.de>
Date: Mon, 26 Aug 2024 13:04:22 +0200
Subject: [PATCH] add card parser

---
 fpga/include/villas/fpga/card_parser.hpp | 30 ++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 fpga/include/villas/fpga/card_parser.hpp

diff --git a/fpga/include/villas/fpga/card_parser.hpp b/fpga/include/villas/fpga/card_parser.hpp
new file mode 100644
index 000000000..92c9124a5
--- /dev/null
+++ b/fpga/include/villas/fpga/card_parser.hpp
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <jansson.h>
+#include <spdlog/logger.h>
+#include <villas/exceptions.hpp>
+#include <villas/log.hpp>
+
+class CardParser {
+public:
+  std::shared_ptr<spdlog::logger> logger;
+
+  json_t *json_ips = nullptr;
+  json_t *json_paths = nullptr;
+  const char *pci_slot = nullptr;
+  const char *pci_id = nullptr;
+  int do_reset = 0;
+  int affinity = 0;
+  int polling = 0;
+
+  CardParser(json_t *json_card) : logger(villas::Log::get("CardParser")) {
+    json_error_t err;
+    int ret = json_unpack_ex(
+        json_card, &err, 0, "{ s: o, s?: i, s?: b, s?: s, s?: s, s?: b, s?: o}",
+        "ips", &json_ips, "affinity", &affinity, "do_reset", &do_reset, "slot",
+        &pci_slot, "id", &pci_id, "polling", &polling, "paths", &json_paths);
+
+    if (ret != 0)
+      throw villas::ConfigError(json_card, err, "", "Failed to parse card");
+  }
+};