fix some data race

Author: qicosmos

include/ylt/easylog/appender.hpp

@@ -179,7 +179,7 @@ class appender {
 
   template <bool sync = false, bool enable_console = false>
   void write_record(record_t &record) {
-    std::lock_guard guard(get_mutex<sync>());
+    std::unique_lock guard(get_mutex<sync>());
     if constexpr (sync == true) {
       if (max_files_ > 0 && file_size_ > max_file_size_ &&
           static_cast<size_t>(-1) != file_size_) {
@@ -204,6 +204,8 @@ class appender {
     write_file(msg);
 
     if constexpr (enable_console) {
+      guard.unlock();
+      std::unique_lock guard1(get_mutex<true>());
       add_color(record.get_severity());
       std::cout << time_str;
       clean_color(record.get_severity());
@@ -405,7 +407,7 @@ class appender {
   bool has_init_ = false;
   std::string filename_;
 
-  bool enable_console_ = false;
+  std::atomic<bool> enable_console_ = false;
   bool flush_every_time_;
   size_t file_size_ = 0;
   size_t max_file_size_ = 0;

include/ylt/standalone/cinatra/session_manager.hpp

@@ -60,6 +60,7 @@ class session_manager {
   }
 
   void start_check_session_timer() {
+    std::lock_guard lock(timer_mtx_);
     std::weak_ptr<asio::steady_timer> timer = check_session_timer_;
     check_session_timer_->expires_after(check_session_duration_);
     check_session_timer_->async_wait([this, timer](auto ec) {
@@ -79,6 +80,12 @@ class session_manager {
 
   void set_check_session_duration(auto duration) {
     check_session_duration_ = duration;
+    {
+      std::lock_guard lock(timer_mtx_);
+      std::error_code ec;
+      check_session_timer_->cancel(ec);
+    }
+
     start_check_session_timer();
   }
 
@@ -100,6 +107,7 @@ class session_manager {
   // session_timeout_ should be no less than 0
   std::size_t session_timeout_ = 86400;
   std::atomic<bool> stop_timer_ = false;
+  std::mutex timer_mtx_;
   std::shared_ptr<asio::steady_timer> check_session_timer_;
   std::atomic<std::chrono::steady_clock::duration> check_session_duration_ = {
       std::chrono::seconds(15)};