JsonRpcConnection: reduce log spam on disconnect

diff --git a/lib/remote/jsonrpcconnection.cpp b/lib/remote/jsonrpcconnection.cpp
index b850b7884afeeba28878d207650ad11c3d6daf16..a7ec2cdffa556deee6fdf57377628921ee064a44 100644 (file)
--- a/lib/remote/jsonrpcconnection.cpp
+++ b/lib/remote/jsonrpcconnection.cpp
@@ -18,7 +18,9 @@
 #include <utility>
 #include <boost/asio/deadline_timer.hpp>
 #include <boost/asio/spawn.hpp>
+#include <boost/asio/ssl/error.hpp>
 #include <boost/date_time/posix_time/posix_time_duration.hpp>
+#include <boost/system/system_error.hpp>
 #include <boost/thread/once.hpp>
 
 using namespace icinga;
@@ -61,7 +63,17 @@ void JsonRpcConnection::HandleIncomingMessages(boost::asio::yield_context yc)
                        message = JsonRpc::ReadMessage(m_Stream, yc, m_Endpoint ? -1 : 1024 * 1024);
                } catch (const std::exception& ex) {
                        if (!m_ShuttingDown) {
-                               Log(LogWarning, "JsonRpcConnection")
+                               auto logLevelOnReadError (LogWarning);
+
+                               {
+                                       auto boostError (dynamic_cast<const boost::system::system_error*>(&ex));
+
+                                       if (boostError && boostError->code().category() == boost::asio::error::get_ssl_category()) {
+                                               logLevelOnReadError = LogNotice;
+                                       }
+                               }
+
+                               Log(logLevelOnReadError, "JsonRpcConnection")
                                        << "Error while reading JSON-RPC message for identity '" << m_Identity
                                        << "': " << DiagnosticInformation(ex);
                        }