1 files changed, 42 insertions, 2 deletions
diff --git a/src/logging.cpp b/src/logging.cpp
index 3a25e7118d..3816297820 100644
--- a/src/logging.cpp
+++ b/src/logging.cpp
@@ -5,15 +5,17 @@
 
 #include <fs.h>
 #include <logging.h>
-#include <util/threadnames.h>
 #include <util/string.h>
+#include <util/threadnames.h>
 #include <util/time.h>
 
 #include <algorithm>
 #include <array>
 #include <mutex>
+#include <optional>
 
 const char * const DEFAULT_DEBUGLOGFILE = "debug.log";
+constexpr auto MAX_USER_SETABLE_SEVERITY_LEVEL{BCLog::Level::Info};
 
 BCLog::Logger& LogInstance()
 {
@@ -269,6 +271,23 @@ std::string LogCategoryToStr(BCLog::LogFlags category)
     assert(false);
 }
 
+static std::optional<BCLog::Level> GetLogLevel(const std::string& level_str)
+{
+    if (level_str == "debug") {
+        return BCLog::Level::Debug;
+    } else if (level_str == "info") {
+        return BCLog::Level::Info;
+    } else if (level_str == "warning") {
+        return BCLog::Level::Warning;
+    } else if (level_str == "error") {
+        return BCLog::Level::Error;
+    } else if (level_str == "none") {
+        return BCLog::Level::None;
+    } else {
+        return std::nullopt;
+    }
+}
+
 std::vector<LogCategory> BCLog::Logger::LogCategoriesList() const
 {
     // Sort log categories by alphabetical order.
@@ -334,7 +353,7 @@ namespace BCLog {
     }
 } // namespace BCLog
 
-void BCLog::Logger::LogPrintStr(const std::string& str, const std::string& logging_function, const std::string& source_file, const int source_line, const BCLog::LogFlags category, const BCLog::Level level)
+void BCLog::Logger::LogPrintStr(const std::string& str, const std::string& logging_function, const std::string& source_file, int source_line, BCLog::LogFlags category, BCLog::Level level)
 {
     StdLockGuard scoped_lock(m_cs);
     std::string str_prefixed = LogEscapeMessage(str);
@@ -443,3 +462,24 @@ void BCLog::Logger::ShrinkDebugFile()
     else if (file != nullptr)
         fclose(file);
 }
+
+bool BCLog::Logger::SetLogLevel(const std::string& level_str)
+{
+    const auto level = GetLogLevel(level_str);
+    if (!level.has_value() || level.value() > MAX_USER_SETABLE_SEVERITY_LEVEL) return false;
+    m_log_level = level.value();
+    return true;
+}
+
+bool BCLog::Logger::SetCategoryLogLevel(const std::string& category_str, const std::string& level_str)
+{
+    BCLog::LogFlags flag;
+    if (!GetLogCategory(flag, category_str)) return false;
+
+    const auto level = GetLogLevel(level_str);
+    if (!level.has_value() || level.value() > MAX_USER_SETABLE_SEVERITY_LEVEL) return false;
+
+    StdLockGuard scoped_lock(m_cs);
+    m_category_log_levels[flag] = level.value();
+    return true;
+}