Logger name uses App name

include/godzilla/Logger.h

@@ -3,6 +3,7 @@
 
 #pragma once
 
+#include "godzilla/String.h"
 #include "spdlog/spdlog.h"
 #include "spdlog/details/periodic_worker.h"
 #include <filesystem>
@@ -15,6 +16,7 @@ namespace godzilla {
 class Logger {
 public:
     Logger();
+    Logger(String name);
     ~Logger();
 
     /// Set log file name
@@ -52,6 +54,7 @@ class Logger {
     }
 
 private:
+    std::string logger_name;
     std::shared_ptr<spdlog::logger> spdlgr;
     std::mutex flusher_mutex;
     std::unique_ptr<spdlog::details::periodic_worker> periodic_flusher;

src/App.cpp

@@ -65,7 +65,7 @@ App::App(mpi::Communicator comm, Registry & registry, String name) :
     name(name),
     mpi_comm(comm),
     registry(registry),
-    logger(Qtr<Logger>::alloc()),
+    logger(Qtr<Logger>::alloc(name)),
     verbosity_level(1),
     cout_buf_(nullptr),
     cerr_buf_(nullptr),

src/Logger.cpp

@@ -8,23 +8,29 @@
 
 namespace godzilla {
 
-Logger::Logger()
+Logger::Logger() : logger_name("file_logger")
 {
     CALL_STACK_MSG();
-    this->spdlgr = spdlog::null_logger_mt("file_logger");
+    this->spdlgr = spdlog::null_logger_mt(this->logger_name);
+}
+
+Logger::Logger(String name) : logger_name(fmt::format("file_logger:{}", name))
+{
+    CALL_STACK_MSG();
+    this->spdlgr = spdlog::null_logger_mt(logger_name);
 }
 
 Logger::~Logger()
 {
-    spdlog::drop("file_logger");
+    spdlog::drop(this->logger_name);
 }
 
 void
 Logger::set_log_file_name(fs::path file_name)
 {
     CALL_STACK_MSG();
-    spdlog::drop("file_logger");
-    this->spdlgr = spdlog::basic_logger_mt("file_logger", file_name, true);
+    spdlog::drop(this->logger_name);
+    this->spdlgr = spdlog::basic_logger_mt(this->logger_name, file_name, true);
     this->spdlgr->set_pattern("[%Y %b %d %H:%M:%S.%e] [%l] %v");
 }