src/fsfw/serialize.h

@@ -1,10 +1,10 @@
 #ifndef FSFW_INC_FSFW_SERIALIZE_H_
 #define FSFW_INC_FSFW_SERIALIZE_H_
 
-#include "src/core/serialize/EndianConverter.h"
+#include "fsfw/serialize/EndianConverter.h"
-#include "src/core/serialize/SerialArrayListAdapter.h"
+#include "fsfw/serialize/SerialArrayListAdapter.h"
-#include "src/core/serialize/SerialBufferAdapter.h"
+#include "fsfw/serialize/SerialBufferAdapter.h"
-#include "src/core/serialize/SerialLinkedListAdapter.h"
+#include "fsfw/serialize/SerialLinkedListAdapter.h"
-#include "src/core/serialize/SerializeElement.h"
+#include "fsfw/serialize/SerializeElement.h"
 
 #endif /* FSFW_INC_FSFW_SERIALIZE_H_ */

src/fsfw/serialize/EndianConverter.h

@@ -4,7 +4,7 @@
 #include <cstdint>
 #include <cstring>
 
-#include "../osal/Endiness.h"
+#include "fsfw/osal/Endiness.h"
 
 /**
  * Helper class to convert variables or bitstreams between machine
@@ -36,7 +36,7 @@
  */
 class EndianConverter {
  private:
-  EndianConverter(){};
+  EndianConverter() = default;
 
  public:
   /**
@@ -49,8 +49,8 @@ class EndianConverter {
 #error BYTE_ORDER_SYSTEM not defined
 #elif BYTE_ORDER_SYSTEM == LITTLE_ENDIAN
     T tmp;
-    uint8_t *pointerOut = (uint8_t *)&tmp;
+    auto *pointerOut = reinterpret_cast<uint8_t *>(&tmp);
-    uint8_t *pointerIn = (uint8_t *)&in;
+    auto *pointerIn = reinterpret_cast<uint8_t *>(&in);
     for (size_t count = 0; count < sizeof(T); count++) {
       pointerOut[sizeof(T) - count - 1] = pointerIn[count];
     }
@@ -73,10 +73,8 @@ class EndianConverter {
     for (size_t count = 0; count < size; count++) {
       out[size - count - 1] = in[count];
     }
-    return;
 #elif BYTE_ORDER_SYSTEM == BIG_ENDIAN
     memcpy(out, in, size);
-    return;
 #endif
   }
 
@@ -90,8 +88,8 @@ class EndianConverter {
 #error BYTE_ORDER_SYSTEM not defined
 #elif BYTE_ORDER_SYSTEM == BIG_ENDIAN
     T tmp;
-    uint8_t *pointerOut = (uint8_t *)&tmp;
+    auto *pointerOut = reinterpret_cast<uint8_t *>(&tmp);
-    uint8_t *pointerIn = (uint8_t *)&in;
+    auto *pointerIn = reinterpret_cast<uint8_t *>(&in);
     for (size_t count = 0; count < sizeof(T); count++) {
       pointerOut[sizeof(T) - count - 1] = pointerIn[count];
     }
@@ -113,10 +111,8 @@ class EndianConverter {
     for (size_t count = 0; count < size; count++) {
       out[size - count - 1] = in[count];
     }
-    return;
 #elif BYTE_ORDER_SYSTEM == LITTLE_ENDIAN
     memcpy(out, in, size);
-    return;
 #endif
   }
 };

src/fsfw/serialize/SerializeIF.h

@@ -3,7 +3,7 @@
 
 #include <cstddef>
 
-#include "../returnvalues/HasReturnvaluesIF.h"
+#include "fsfw/returnvalues/HasReturnvaluesIF.h"
 
 /**
  * @defgroup serialize Serialization
@@ -34,7 +34,7 @@ class SerializeIF {
   static const ReturnValue_t TOO_MANY_ELEMENTS =
       MAKE_RETURN_CODE(3);  // !< There are too many elements to be deserialized
 
-  virtual ~SerializeIF() {}
+  virtual ~SerializeIF() = default;
   /**
    * @brief
    * Function to serialize the object into a buffer with maxSize. Size represents the written
@@ -59,14 +59,28 @@ class SerializeIF {
    * 		- @c RETURN_FAILED Generic error
    * 		- @c RETURN_OK Successful serialization
    */
-  virtual ReturnValue_t serialize(uint8_t **buffer, size_t *size, size_t maxSize,
+  [[nodiscard]] virtual ReturnValue_t serialize(uint8_t **buffer, size_t *size, size_t maxSize,
-                                  Endianness streamEndianness) const = 0;
+                                                Endianness streamEndianness) const = 0;
+  /**
+   * Forwards to regular @serialize call with big (network) endianness
+   */
+  [[nodiscard]] virtual ReturnValue_t serializeBe(uint8_t **buffer, size_t *size,
+                                                  size_t maxSize) const {
+    return serialize(buffer, size, maxSize, SerializeIF::Endianness::NETWORK);
+  }
+  /**
+   * If endianness is not explicitly specified, use machine endianness
+   */
+  [[nodiscard]] virtual ReturnValue_t serialize(uint8_t **buffer, size_t *size,
+                                                size_t maxSize) const {
+    return serialize(buffer, size, maxSize, SerializeIF::Endianness::MACHINE);
+  }
 
   /**
    * Gets the size of a object if it would be serialized in a buffer
    * @return Size of serialized object
    */
-  virtual size_t getSerializedSize() const = 0;
+  [[nodiscard]] virtual size_t getSerializedSize() const = 0;
 
   /**
    * @brief
@@ -90,6 +104,69 @@ class SerializeIF {
    */
   virtual ReturnValue_t deSerialize(const uint8_t **buffer, size_t *size,
                                     Endianness streamEndianness) = 0;
+  /**
+   * Forwards to regular @deSerialize call with big (network) endianness
+   */
+  virtual ReturnValue_t deSerializeBe(const uint8_t **buffer, size_t *size) {
+    return deSerialize(buffer, size, SerializeIF::Endianness::NETWORK);
+  }
+  /**
+   * If endianness is not explicitly specified, use machine endianness
+   */
+  virtual ReturnValue_t deSerialize(const uint8_t **buffer, size_t *size) {
+    return deSerialize(buffer, size, SerializeIF::Endianness::MACHINE);
+  }
+
+  /**
+   * Helper method which can be used if serialization should be performed without any additional
+   * pointer arithmetic on a passed buffer pointer
+   * @param buffer
+   * @param maxSize
+   * @param streamEndianness
+   * @return
+   */
+  [[nodiscard]] virtual ReturnValue_t serialize(uint8_t *buffer, size_t maxSize,
+                                                Endianness streamEndianness) const {
+    size_t tmpSize = 0;
+    return serialize(&buffer, &tmpSize, maxSize, streamEndianness);
+  }
+  /**
+   * Forwards to regular @serialize call with big (network) endianness
+   */
+  [[nodiscard]] virtual ReturnValue_t serializeBe(uint8_t *buffer, size_t maxSize) const {
+    return serialize(buffer, maxSize, SerializeIF::Endianness::NETWORK);
+  }
+  /**
+   * If endianness is not explicitly specified, use machine endianness
+   */
+  [[nodiscard]] virtual ReturnValue_t serialize(uint8_t *buffer, size_t maxSize) const {
+    return serialize(buffer, maxSize, SerializeIF::Endianness::MACHINE);
+  }
+
+  /**
+   * Helper methods which can be used if deserialization should be performed without any additional
+   * pointer arithmetic on a passed buffer pointer
+   * @param buffer
+   * @param maxSize
+   * @param streamEndianness
+   * @return
+   */
+  virtual ReturnValue_t deSerialize(const uint8_t *buffer, size_t maxSize,
+                                    Endianness streamEndianness) {
+    return deSerialize(&buffer, &maxSize, streamEndianness);
+  }
+  /**
+   * Forwards to regular @serialize call with big (network) endianness
+   */
+  virtual ReturnValue_t deSerializeBe(const uint8_t *buffer, size_t maxSize) {
+    return deSerialize(buffer, maxSize, SerializeIF::Endianness::NETWORK);
+  }
+  /**
+   * If endianness is not explicitly specified, use machine endianness
+   */
+  virtual ReturnValue_t deSerialize(const uint8_t *buffer, size_t maxSize) {
+    return deSerialize(buffer, maxSize, SerializeIF::Endianness::MACHINE);
+  }
 };
 
 #endif /* FSFW_SERIALIZE_SERIALIZEIF_H_ */

unittests/mocks/SimpleSerializable.h

@@ -0,0 +1,40 @@
+#ifndef FSFW_TESTS_SIMPLESERIALIZABLE_H
+#define FSFW_TESTS_SIMPLESERIALIZABLE_H
+
+#include "fsfw/serialize.h"
+#include "fsfw/osal/Endiness.h"
+
+class SimpleSerializable : public SerializeIF {
+ public:
+  ReturnValue_t serialize(uint8_t **buffer, size_t *size, size_t maxSize,
+                          Endianness streamEndianness) const override {
+    if (*size + getSerializedSize() > maxSize) {
+      return SerializeIF::BUFFER_TOO_SHORT;
+    }
+    **buffer = someU8;
+    *buffer += 1;
+    *size += 1;
+    return SerializeAdapter::serialize(&someU16, buffer, size, maxSize, streamEndianness);
+  }
+
+  [[nodiscard]] size_t getSerializedSize() const override { return 3; }
+  ReturnValue_t deSerialize(const uint8_t **buffer, size_t *size,
+                            Endianness streamEndianness) override {
+    if (*size < getSerializedSize()) {
+      return SerializeIF::STREAM_TOO_SHORT;
+    }
+    someU8 = **buffer;
+    *size -= 1;
+    *buffer += 1;
+    return SerializeAdapter::deSerialize(&someU16, buffer, size, streamEndianness);
+  }
+
+  [[nodiscard]] uint8_t getU8() const { return someU8; }
+  [[nodiscard]] uint16_t getU16() const { return someU16; }
+
+ private:
+  uint8_t someU8 = 1;
+  uint16_t someU16 = 0x0203;
+};
+
+#endif  // FSFW_TESTS_SIMPLESERIALIZABLE_H

unittests/serialize/CMakeLists.txt

@@ -1,5 +1,6 @@
 target_sources(${FSFW_TEST_TGT} PRIVATE
-	TestSerialBufferAdapter.cpp
+	testSerialBufferAdapter.cpp
-	TestSerialization.cpp
+  testSerializeAdapter.cpp
-	TestSerialLinkedPacket.cpp
+	testSerialLinkedPacket.cpp
+	testSerializeIF.cpp
 )

unittests/serialize/SerialLinkedListAdapterPacket.h

@@ -26,13 +26,13 @@ class TestPacket : public SerialLinkedListAdapter<SerializeIF> {
     setLinks();
   }
 
-  uint32_t getHeader() const { return header.entry; }
+  [[nodiscard]] uint32_t getHeader() const { return header.entry; }
 
-  const uint8_t* getBuffer() { return buffer.entry.getConstBuffer(); }
+  [[nodiscard]] const uint8_t* getBuffer() const { return buffer.entry.getConstBuffer(); }
 
   size_t getBufferLength() { return buffer.getSerializedSize(); }
 
-  uint16_t getTail() const { return tail.entry; }
+  [[nodiscard]] uint16_t getTail() const { return tail.entry; }
 
  private:
   void setLinks() {
@@ -47,4 +47,4 @@ class TestPacket : public SerialLinkedListAdapter<SerializeIF> {
   SerializeElement<uint32_t> tail = 0;
 };
 
-#endif /* UNITTEST_TESTFW_NEWTESTS_TESTTEMPLATE_H_ */
+#endif /* UNITTEST_HOSTED_TESTSERIALLINKEDPACKET_H_ */

unittests/serialize/testSerialBufferAdapter.cpp

@@ -92,7 +92,7 @@ TEST_CASE("Serial Buffer Adapter", "[single-file]") {
     testArray[3] = 1;
     testArray[4] = 1;
     testArray[5] = 0;
-    std::array<uint8_t, 4> test_recv_array;
+    std::array<uint8_t, 4> test_recv_array{};
     arrayPtr = testArray.data();
     // copy testArray[1] to testArray[4] into receive buffer, skip
     // size field (testArray[0]) for deSerialization.
@@ -116,7 +116,7 @@ TEST_CASE("Serial Buffer Adapter", "[single-file]") {
     testArray[3] = 1;
     testArray[4] = 1;
     testArray[5] = 0;
-    std::array<uint8_t, 4> test_recv_array;
+    std::array<uint8_t, 4> test_recv_array{};
     arrayPtr = testArray.data() + 2;
     // copy testArray[1] to testArray[4] into receive buffer, skip
     // size field (testArray[0])

unittests/serialize/testSerialLinkedPacket.cpp

@@ -1,11 +1,10 @@
-#include "TestSerialLinkedPacket.h"
-
 #include <fsfw/globalfunctions/arrayprinter.h>
 
 #include <array>
 #include <catch2/catch_test_macros.hpp>
 
 #include "CatchDefinitions.h"
+#include "SerialLinkedListAdapterPacket.h"
 
 TEST_CASE("Serial Linked Packet", "[SerLinkPacket]") {
   // perform set-up here

unittests/serialize/testSerializeIF.cpp

@@ -0,0 +1,172 @@
+
+#include <array>
+#include <catch2/catch_test_macros.hpp>
+
+#include "mocks/SimpleSerializable.h"
+
+using namespace std;
+
+TEST_CASE("Serialize IF Serialize", "[serialize-if-ser]") {
+  auto simpleSer = SimpleSerializable();
+  array<uint8_t, 16> buf{};
+  uint8_t* ptr = buf.data();
+  size_t len = 0;
+
+  SECTION("Little Endian Normal") {
+    REQUIRE(simpleSer.serialize(&ptr, &len, buf.size(), SerializeIF::Endianness::LITTLE) == HasReturnvaluesIF::RETURN_OK);
+    CHECK(buf[0] == 1);
+    CHECK(buf[1] == 3);
+    CHECK(buf[2] == 2);
+    // Verify pointer arithmetic and size increment
+    CHECK(ptr == buf.data() + 3);
+    CHECK(len == 3);
+  }
+
+  SECTION("Little Endian Simple") {
+    REQUIRE(simpleSer.SerializeIF::serialize(buf.data(), buf.size(), SerializeIF::Endianness::LITTLE) == HasReturnvaluesIF::RETURN_OK);
+    CHECK(buf[0] == 1);
+    CHECK(buf[1] == 3);
+    CHECK(buf[2] == 2);
+  }
+
+  SECTION("Big Endian Normal") {
+    SECTION("Explicit") {
+      REQUIRE(simpleSer.serialize(&ptr, &len, buf.size(), SerializeIF::Endianness::BIG) ==
+              HasReturnvaluesIF::RETURN_OK);
+    }
+    SECTION("Network 0") {
+      REQUIRE(simpleSer.serialize(&ptr, &len, buf.size(), SerializeIF::Endianness::NETWORK) == HasReturnvaluesIF::RETURN_OK);
+    }
+    SECTION("Network 1") {
+      REQUIRE(simpleSer.serializeBe(&ptr, &len, buf.size()) == HasReturnvaluesIF::RETURN_OK);
+    }
+
+    CHECK(buf[0] == 1);
+    CHECK(buf[1] == 2);
+    CHECK(buf[2] == 3);
+    // Verify pointer arithmetic and size increment
+    CHECK(ptr == buf.data() + 3);
+    CHECK(len == 3);
+  }
+
+  SECTION("Big Endian Simple") {
+    SECTION("Explicit") {
+      REQUIRE(simpleSer.SerializeIF::serialize(buf.data(), buf.size(), SerializeIF::Endianness::BIG) ==
+              HasReturnvaluesIF::RETURN_OK);
+    }
+    SECTION("Network 0") {
+      REQUIRE(simpleSer.SerializeIF::serialize(buf.data(), buf.size(), SerializeIF::Endianness::NETWORK) == HasReturnvaluesIF::RETURN_OK);
+    }
+    SECTION("Network 1") {
+      REQUIRE(simpleSer.SerializeIF::serializeBe(buf.data(), buf.size()) == HasReturnvaluesIF::RETURN_OK);
+    }
+    CHECK(buf[0] == 1);
+    CHECK(buf[1] == 2);
+    CHECK(buf[2] == 3);
+  }
+
+  SECTION("Machine Endian Implicit") {
+    REQUIRE(simpleSer.SerializeIF::serialize(&ptr, &len, buf.size()) ==
+            HasReturnvaluesIF::RETURN_OK);
+    CHECK(buf[0] == 1);
+#if BYTE_ORDER_SYSTEM == LITTLE_ENDIAN
+    CHECK(buf[1] == 3);
+    CHECK(buf[2] == 2);
+#else
+    CHECK(buf[1] == 2);
+    CHECK(buf[2] == 3);
+#endif
+    // Verify pointer arithmetic and size increment
+    CHECK(ptr == buf.data() + 3);
+    CHECK(len == 3);
+  }
+
+  SECTION("Machine Endian Simple Implicit") {
+    REQUIRE(simpleSer.SerializeIF::serialize(buf.data(), buf.size()) ==
+            HasReturnvaluesIF::RETURN_OK);
+    CHECK(buf[0] == 1);
+#if BYTE_ORDER_SYSTEM == LITTLE_ENDIAN
+    CHECK(buf[1] == 3);
+    CHECK(buf[2] == 2);
+#else
+    CHECK(buf[1] == 2);
+    CHECK(buf[2] == 3);
+#endif
+  }
+}
+
+TEST_CASE("SerializeIF Deserialize", "[serialize-if-de]") {
+  auto simpleSer = SimpleSerializable();
+  array<uint8_t, 3> buf = {5, 0, 1};
+  const uint8_t* ptr = buf.data();
+  size_t len = buf.size();
+
+  SECTION("Little Endian Normal") {
+    REQUIRE(simpleSer.deSerialize(&ptr, &len, SerializeIF::Endianness::LITTLE) == HasReturnvaluesIF::RETURN_OK);
+    CHECK(simpleSer.getU8() == 5);
+    CHECK(simpleSer.getU16() == 0x0100);
+    CHECK(ptr == buf.data() + 3);
+    CHECK(len == 0);
+  }
+
+  SECTION("Little Endian Simple") {
+    REQUIRE(simpleSer.SerializeIF::deSerialize(ptr, len, SerializeIF::Endianness::LITTLE) == HasReturnvaluesIF::RETURN_OK);
+    CHECK(simpleSer.getU8() == 5);
+    CHECK(simpleSer.getU16() == 0x0100);
+  }
+
+  SECTION("Big Endian Normal") {
+    SECTION("Explicit") {
+      REQUIRE(simpleSer.deSerialize(&ptr, &len, SerializeIF::Endianness::BIG) == HasReturnvaluesIF::RETURN_OK);
+    }
+    SECTION("Network 0") {
+      REQUIRE(simpleSer.deSerialize(&ptr, &len, SerializeIF::Endianness::NETWORK) == HasReturnvaluesIF::RETURN_OK);
+    }
+    SECTION("Network 1") {
+      REQUIRE(simpleSer.SerializeIF::deSerializeBe(&ptr, &len) == HasReturnvaluesIF::RETURN_OK);
+    }
+    CHECK(simpleSer.getU8() == 5);
+    CHECK(simpleSer.getU16() == 1);
+    CHECK(ptr == buf.data() + 3);
+    CHECK(len == 0);
+  }
+
+  SECTION("Big Endian Simple") {
+    SECTION("Explicit") {
+      REQUIRE(simpleSer.SerializeIF::deSerialize(buf.data(), buf.size(), SerializeIF::Endianness::BIG) ==
+              HasReturnvaluesIF::RETURN_OK);
+    }
+    SECTION("Network 0") {
+      REQUIRE(simpleSer.SerializeIF::deSerialize(buf.data(), buf.size(), SerializeIF::Endianness::NETWORK) == HasReturnvaluesIF::RETURN_OK);
+    }
+    SECTION("Network 1") {
+      REQUIRE(simpleSer.SerializeIF::deSerializeBe(buf.data(), buf.size()) == HasReturnvaluesIF::RETURN_OK);
+    }
+    CHECK(simpleSer.getU8() == 5);
+    CHECK(simpleSer.getU16() == 1);
+  }
+
+  SECTION("Machine Endian Implicit") {
+    REQUIRE(simpleSer.SerializeIF::deSerialize(&ptr, &len) == HasReturnvaluesIF::RETURN_OK);
+    CHECK(simpleSer.getU8() == 5);
+#if BYTE_ORDER_SYSTEM == LITTLE_ENDIAN
+    CHECK(simpleSer.getU16() == 0x0100);
+#else
+    CHECK(simpleSer.getU16() == 1);
+#endif
+    // Verify pointer arithmetic and size increment
+    CHECK(ptr == buf.data() + 3);
+    CHECK(len == 0);
+  }
+
+  SECTION("Machine Endian Simple Implicit") {
+    REQUIRE(simpleSer.SerializeIF::deSerialize(buf.data(), buf.size()) ==
+            HasReturnvaluesIF::RETURN_OK);
+    CHECK(simpleSer.getU8() == 5);
+#if BYTE_ORDER_SYSTEM == LITTLE_ENDIAN
+    CHECK(simpleSer.getU16() == 0x0100);
+#else
+    CHECK(simpleSer.getU16() == 1);
+#endif
+  }
+}