Device: Add ExtendedCommand::GetAllMACAddresses

communication/message/allmacaddressesmessage.cpp

@@ -0,0 +1,51 @@
+#include "icsneo/communication/message/allmacaddressesmessage.h"
+#include "icsneo/communication/command.h"
+#include "icsneo/communication/network.h"
+
+#include <cstring>
+
+using namespace icsneo;
+
+#pragma pack(push, 2)
+struct ResponseHeader {
+	ExtendedCommand command;
+	uint16_t length;
+	uint16_t count;
+};
+
+struct MacAddrEntryPacket {
+	uint16_t networkId;
+	uint8_t address[MACAddressLength];
+};
+#pragma pack(pop)
+
+std::shared_ptr<AllMACAddressesMessage> AllMACAddressesMessage::DecodeToMessage(const std::vector<uint8_t>& bytestream) {
+	if(bytestream.size() < sizeof(ResponseHeader))
+		return nullptr;
+
+	const auto* hdr = reinterpret_cast<const ResponseHeader*>(bytestream.data());
+
+	if(hdr->command != ExtendedCommand::GetAllMACAddresses)
+		return nullptr;
+
+	if(hdr->count > MaxMACAddressCount)
+		return nullptr;
+
+	const size_t required = sizeof(ResponseHeader) + hdr->count * sizeof(MacAddrEntryPacket);
+	if(bytestream.size() < required)
+		return nullptr;
+
+	auto msg = std::make_shared<AllMACAddressesMessage>();
+
+	const auto* entries = reinterpret_cast<const MacAddrEntryPacket*>(bytestream.data() + sizeof(ResponseHeader));
+	for(uint16_t i = 0; i < hdr->count; ++i) {
+		// The firmware sends CoreMini network IDs — convert to NetID for consistent use in libicsneo
+		Network::NetID netId = Network::GetNetIDFromCoreMiniNetwork(static_cast<Network::CoreMini>(entries[i].networkId));
+		auto addr = entries[i].address;
+		MACAddress arrAddr; 
+		std::copy(addr, addr + MACAddressLength, arrAddr.begin());
+		msg->addresses.emplace(std::make_pair(netId, arrAddr));
+	}
+
+	return msg;
+}