From 74a4dc46b49e1902f44a36b5b3155ad103d8f3da Mon Sep 17 00:00:00 2001
From: Смердокрыл <smerdokryl@gmail.com>
Date: Fri, 9 Jun 2023 21:36:03 +0300
Subject: Core/Config: Implement reading config overrides from subdirectory
 (#29068)

Co-authored-by: Shauren <shauren.trinity@gmail.com>
---
 src/common/Configuration/Config.cpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'src/common/Configuration/Config.cpp')

diff --git a/src/common/Configuration/Config.cpp b/src/common/Configuration/Config.cpp
index 93f7d367730..8af11fbf066 100644
--- a/src/common/Configuration/Config.cpp
+++ b/src/common/Configuration/Config.cpp
@@ -18,6 +18,7 @@
 #include "Config.h"
 #include "Log.h"
 #include "StringConvert.h"
+#include <boost/filesystem/operations.hpp>
 #include <boost/property_tree/ini_parser.hpp>
 #include <algorithm>
 #include <cstdlib>
@@ -25,6 +26,7 @@
 #include <mutex>
 
 namespace bpt = boost::property_tree;
+namespace fs  = boost::filesystem;
 
 namespace
 {
@@ -158,6 +160,8 @@ bool ConfigMgr::LoadAdditionalFile(std::string file, bool keepOnReload, std::str
     if (!LoadFile(file, fullTree, error))
         return false;
 
+    std::lock_guard<std::mutex> lock(_configLock);
+
     for (bpt::ptree::value_type const& child : fullTree.begin()->second)
         _config.put_child(bpt::ptree::path_type(child.first, '/'), child.second);
 
@@ -167,6 +171,32 @@ bool ConfigMgr::LoadAdditionalFile(std::string file, bool keepOnReload, std::str
     return true;
 }
 
+bool ConfigMgr::LoadAdditionalDir(std::string const& dir, bool keepOnReload, std::vector<std::string>& loadedFiles, std::vector<std::string>& errors)
+{
+    fs::path dirPath = dir;
+    if (!fs::exists(dirPath) || !fs::is_directory(dirPath))
+        return true;
+
+    for (fs::directory_entry const& f : fs::recursive_directory_iterator(dirPath))
+    {
+        if (!fs::is_regular_file(f))
+            continue;
+
+        fs::path configFile = fs::absolute(f);
+        if (configFile.extension() != ".conf")
+            continue;
+
+        std::string fileName = configFile.generic_string();
+        std::string error;
+        if (LoadAdditionalFile(fileName, keepOnReload, error))
+            loadedFiles.push_back(std::move(fileName));
+        else
+            errors.push_back(std::move(error));
+    }
+
+    return errors.empty();
+}
+
 std::vector<std::string> ConfigMgr::OverrideWithEnvVariablesIfAny()
 {
     std::lock_guard<std::mutex> lock(_configLock);
-- 
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