[rpc] Add logging RPC

Adds an RPC to get and set currently active logging categories.

1 files changed, 16 insertions, 1 deletions

diff --git a/src/util.cpp b/src/util.cpp
index 5473799289..e859c8a1a4 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -118,7 +118,7 @@ bool fLogIPs = DEFAULT_LOGIPS;
 std::atomic<bool> fReopenDebugLog(false);
 CTranslationInterface translationInterface;
 
-/** Log categories bitfield. Leveldb/libevent need special handling if their flags are changed at runtime. */
+/** Log categories bitfield. libevent needs special handling if their flags are changed at runtime. */
 std::atomic<uint32_t> logCategories(0);
 
 /** Init OpenSSL library multithreading support */
@@ -295,6 +295,21 @@ std::string ListLogCategories()
     return ret;
 }
 
+std::vector<CLogCategoryActive> ListActiveLogCategories()
+{
+    std::vector<CLogCategoryActive> ret;
+    for (unsigned int i = 0; i < ARRAYLEN(LogCategories); i++) {
+        // Omit the special cases.
+        if (LogCategories[i].flag != BCLog::NONE && LogCategories[i].flag != BCLog::ALL) {
+            CLogCategoryActive catActive;
+            catActive.category = LogCategories[i].category;
+            catActive.active = LogAcceptCategory(LogCategories[i].flag);
+            ret.push_back(catActive);
+        }
+    }
+    return ret;
+}
+
 /**
  * fStartedNewLine is a state variable held by the calling context that will
  * suppress printing of the timestamp when multiple calls are made that don't