Move writing to shared page to the nwm init

src/core/hle/service/nwm/nwm.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <random>
 #include "core/hle/service/nwm/nwm.h"
 #include "core/hle/service/nwm/nwm_cec.h"
 #include "core/hle/service/nwm/nwm_ext.h"
@@ -10,6 +11,8 @@
 #include "core/hle/service/nwm/nwm_soc.h"
 #include "core/hle/service/nwm/nwm_tst.h"
 #include "core/hle/service/nwm/nwm_uds.h"
+#include "core/hle/shared_page.h"
+#include "network/network.h"
 
 namespace Service {
 namespace NWM {
@@ -21,6 +24,21 @@ void Init() {
     AddService(new NWM_SAP);
     AddService(new NWM_SOC);
     AddService(new NWM_TST);
+
+    std::random_device rd;
+    std::mt19937 gen(rd());
+    std::uniform_int_distribution<> dis(0, std::numeric_limits<u8>::max());
+    auto mac = SharedPage::DefaultMac;
+    for (int i = 3; i < sizeof(SharedPage::MacAddress); ++i) {
+        mac[i] = static_cast<u8>(dis(gen));
+    }
+    if (auto room_member = Network::GetRoomMember().lock()) {
+        if (room_member->IsConnected()) {
+            mac = static_cast<SharedPage::MacAddress>(room_member->GetMacAddress());
+        }
+    }
+    SharedPage::SetMacAddress(mac);
+    SharedPage::SetWifiLinkLevel(SharedPage::WifiLinkLevel::BEST);
 }
 
 void InstallInterfaces(SM::ServiceManager& service_manager) {

src/core/hle/service/nwm/nwm_uds.cpp

@@ -593,12 +593,6 @@ void NWM_UDS::InitializeWithVersion(Kernel::HLERequestContext& ctx) {
         node_info.push_back(current_node);
     }
 
-    if (auto room_member = Network::GetRoomMember().lock()) {
-        if (room_member->IsConnected()) {
-            SharedPage::SetMacAddress(static_cast<SharedPage::MacAddress>(room_member->GetMacAddress()));
-        }
-    }
-
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
     rb.Push(RESULT_SUCCESS);
     rb.PushCopyObjects(connection_status_event);

src/core/hle/shared_page.cpp

@@ -83,9 +83,6 @@ void Init() {
     update_time_event =
         CoreTiming::RegisterEvent("SharedPage::UpdateTimeCallback", UpdateTimeCallback);
     CoreTiming::ScheduleEvent(0, update_time_event);
-
-    SetWifiLinkLevel(WifiLinkLevel::POOR);
-    SetMacAddress(DefaultMac);
 }
 
 void SetMacAddress(const MacAddress& addr) {
@@ -96,4 +93,4 @@ void SetWifiLinkLevel(WifiLinkLevel level) {
     shared_page.wifi_link_level = static_cast<u8>(level);
 }
 
-} // namespace
+} // namespace SharedPage

src/core/hle/shared_page.h

@@ -39,13 +39,14 @@ union BatteryState {
 
 using MacAddress = std::array<u8, 6>;
 
-// Default MAC address in the nintendo 3ds range
-constexpr MacAddress DefaultMac = { 0x40, 0xF4, 0x07, 0x00, 0x00, 0x00 };
+// Default MAC address in the Nintendo 3DS range
+constexpr MacAddress DefaultMac = {0x40, 0xF4, 0x07, 0x00, 0x00, 0x00};
 
 enum class WifiLinkLevel : u8 {
-    POOR = 0,
-    GOOD = 1,
-    BEST = 2,
+    OFF = 0,
+    POOR = 1,
+    GOOD = 2,
+    BEST = 3,
 };
 
 struct SharedPageDef {
@@ -81,4 +82,4 @@ void SetMacAddress(const MacAddress&);
 
 void SetWifiLinkLevel(WifiLinkLevel);
 
-} // namespace
+} // namespace SharedPage