From b274b9ebe7ea9a89b9347b29b3be23ad2d18347c Mon Sep 17 00:00:00 2001
From: Boris Zbarsky <bzbarsky@apple.com>
Date: Mon, 11 Sep 2023 12:20:00 -0400
Subject: [PATCH] Implement RebootCount storage on Darwin. (#29134)

* Implement RebootCount storage on Darwin.

Fixes https://github.com/project-chip/connectedhomeip/issues/29108

* Address review comment.
---
 src/platform/Darwin/DiagnosticDataProviderImpl.cpp | 11 +++++++++++
 src/platform/Darwin/DiagnosticDataProviderImpl.h   |  1 +
 2 files changed, 12 insertions(+)

diff --git a/src/platform/Darwin/DiagnosticDataProviderImpl.cpp b/src/platform/Darwin/DiagnosticDataProviderImpl.cpp
index 640a8eca27cd58..62a20a8efdb777 100644
--- a/src/platform/Darwin/DiagnosticDataProviderImpl.cpp
+++ b/src/platform/Darwin/DiagnosticDataProviderImpl.cpp
@@ -89,6 +89,17 @@ CHIP_ERROR DiagnosticDataProviderImpl::ResetWatermarks()
     return CHIP_NO_ERROR;
 }
 
+CHIP_ERROR DiagnosticDataProviderImpl::GetRebootCount(uint16_t & rebootCount)
+{
+    uint32_t count = 0;
+
+    ReturnErrorOnFailure(ConfigurationMgr().GetRebootCount(count));
+    VerifyOrReturnError(count <= UINT16_MAX, CHIP_ERROR_INVALID_INTEGER_VALUE);
+    rebootCount = static_cast<uint16_t>(count);
+
+    return CHIP_NO_ERROR;
+}
+
 DiagnosticDataProvider & GetDiagnosticDataProviderImpl()
 {
     return DiagnosticDataProviderImpl::GetDefaultInstance();
diff --git a/src/platform/Darwin/DiagnosticDataProviderImpl.h b/src/platform/Darwin/DiagnosticDataProviderImpl.h
index 3cfc31bc1f9678..b97aa30ad27074 100644
--- a/src/platform/Darwin/DiagnosticDataProviderImpl.h
+++ b/src/platform/Darwin/DiagnosticDataProviderImpl.h
@@ -43,6 +43,7 @@ class DiagnosticDataProviderImpl : public DiagnosticDataProvider
     // ===== Methods that implement the DiagnosticDataProvider abstract interface.
     bool SupportsWatermarks() override { return true; }
     CHIP_ERROR ResetWatermarks() override;
+    CHIP_ERROR GetRebootCount(uint16_t & rebootCount) override;
 };
 
 /**