diff options
Diffstat (limited to 'src/logging.h')
| -rw-r--r-- | src/logging.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/logging.h b/src/logging.h index e37c0c823b..9ed41c2b98 100644 --- a/src/logging.h +++ b/src/logging.h @@ -77,6 +77,9 @@ namespace BCLog { std::string LogTimestampStr(const std::string& str); + /** Slots that connect to the print signal */ + std::list<std::function<void(const std::string&)>> m_print_callbacks /* GUARDED_BY(m_cs) */ {}; + public: bool m_print_to_console = false; bool m_print_to_file = false; @@ -95,7 +98,22 @@ namespace BCLog { bool Enabled() const { std::lock_guard<std::mutex> scoped_lock(m_cs); - return m_buffering || m_print_to_console || m_print_to_file; + return m_buffering || m_print_to_console || m_print_to_file || !m_print_callbacks.empty(); + } + + /** Connect a slot to the print signal and return the connection */ + std::list<std::function<void(const std::string&)>>::iterator PushBackCallback(std::function<void(const std::string&)> fun) + { + std::lock_guard<std::mutex> scoped_lock(m_cs); + m_print_callbacks.push_back(std::move(fun)); + return --m_print_callbacks.end(); + } + + /** Delete a connection */ + void DeleteCallback(std::list<std::function<void(const std::string&)>>::iterator it) + { + std::lock_guard<std::mutex> scoped_lock(m_cs); + m_print_callbacks.erase(it); } /** Start logging (and flush all buffered messages) */ |