From f5f56e1a1c4d9e9496fcb9d81131066a964ccd23 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 13 Apr 2024 14:15:43 +0200
Subject: Adding upstream version 2.4.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/lib/hooks/tests/callout_params_library.cc | 129 ++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 src/lib/hooks/tests/callout_params_library.cc

(limited to 'src/lib/hooks/tests/callout_params_library.cc')

diff --git a/src/lib/hooks/tests/callout_params_library.cc b/src/lib/hooks/tests/callout_params_library.cc
new file mode 100644
index 0000000..d35fc00
--- /dev/null
+++ b/src/lib/hooks/tests/callout_params_library.cc
@@ -0,0 +1,129 @@
+// Copyright (C) 2016-2020 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+/// @file
+/// @brief Callout Library
+///
+/// This is the source of a test library for the DHCP parser tests that
+/// specify parameters. It will attempt to obtain its own parameters.
+
+#include <config.h>
+#include <hooks/hooks.h>
+#include <iostream>
+
+using namespace std;
+using namespace isc::hooks;
+using namespace isc::data;
+
+extern "C" {
+
+// Framework functions
+int
+version() {
+    return (KEA_HOOKS_VERSION);
+}
+
+/// @brief This method will be called when the hook library is loaded
+///
+/// While its primary usage is for unit-testing, it also doubles as an
+/// illustration referred to from Hooks Developer's Guide. As such, please
+/// keep it simple, tidy and try to avoid referencing unnecessary code.
+/// Parts of it can be used as copy-paste examples.
+///
+/// @param handle passed by the hooks framework
+/// @return 0 if load was successful, non-zero for errors
+int load(LibraryHandle& handle) {
+    ConstElementPtr elems        = handle.getParameters();
+    ConstElementPtr string_elem  = handle.getParameter("svalue");
+    ConstElementPtr int_elem     = handle.getParameter("ivalue");
+    ConstElementPtr bool_elem    = handle.getParameter("bvalue");
+    ConstElementPtr nonexistent  = handle.getParameter("nonexistent");
+    vector<string>  names        = handle.getParameterNames();
+
+    // String handling example.
+    if (!string_elem) {
+        // Parameter was not specified at all.
+        return (1);
+    }
+
+    if (string_elem->getType() != Element::string) {
+        // Parameter is specified, but it's not a string.
+        return (2);
+    }
+
+    string str = string_elem->stringValue();
+    if (str != "string value") {
+        // Parameter is specified, is a string, but has unexpected value.
+        //
+        // This library is used for testing, so it expects exact value of the
+        // parameter. Normal library would likely use whatever value user
+        // specified.
+        return (3);
+    }
+
+    // Integer handling example
+    if (!int_elem) {
+        // Parameter was not specified at all.
+        return (4);
+    }
+
+    if (int_elem->getType() != Element::integer) {
+        // Parameter is specified, but it's not an integer.
+        return (5);
+    }
+
+    int int_value = int_elem->intValue();
+    if (int_value != 42) {
+        // Parameter specified, is an integer, but has a value different than
+        // expected.
+        return (6);
+    }
+
+    // Boolean handling example
+    if (!bool_elem) {
+        // Parameter was not specified at all.
+        return (7);
+    }
+
+    if (bool_elem->getType() != Element::boolean) {
+        // Parameter is specified, but it's not a boolean.
+        return (8);
+    }
+
+    bool flag = bool_elem->boolValue();
+    if (flag != true) {
+        // Parameter specified, is a boolean, but has a value different than
+        // expected.
+        return (9);
+    }
+
+    // Check names. As a side effect of what maps using strings are
+    // implemented names are sorted in alphabetical order.
+    if ((names.size() != 3) || (names[0] != "bvalue") ||
+        (names[1] != "ivalue") || (names[2] != "svalue")) {
+        // Expect 3 names: bvalue, ivalue, svalue.
+        return (10);
+    }
+
+    // Check elems map.
+    if (!elems) {
+        return (11);
+    }
+    string expected_str = "{ "
+        "\"bvalue\": true, "
+        "\"ivalue\": 42, "
+        "\"svalue\": \"string value\""
+        " }";
+    if (expected_str != elems->str()) {
+        return (12);
+    }
+
+    // All validation steps were successful. The library has all the parameters
+    // it needs, so we should report a success.
+    return (0);
+}
+
+}
-- 
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