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authorRobin Krahl <robin.krahl@ireas.org>2018-12-10 12:42:48 +0000
committerRobin Krahl <robin.krahl@ireas.org>2018-12-10 13:46:42 +0100
commit4615f5ecf96ef4637d814a4dfeab9c404b4a3667 (patch)
tree5bd65c78c1c913d44e8917c29e91895a9de450f6 /libnitrokey-v3.4/libnitrokey/log.h
parentb126c5ba1e5a9f00859868d75900043d02a0031c (diff)
downloadnitrokey-sys-rs-3.4.0.tar.gz
nitrokey-sys-rs-3.4.0.tar.bz2
Update to libnitrokey v3.4v3.4.0
Besides the changes listed in the changelog, this patch also changes the build system to be able to generate the version.cc file containing the library version.
Diffstat (limited to 'libnitrokey-v3.4/libnitrokey/log.h')
-rw-r--r--libnitrokey-v3.4/libnitrokey/log.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/libnitrokey-v3.4/libnitrokey/log.h b/libnitrokey-v3.4/libnitrokey/log.h
new file mode 100644
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--- /dev/null
+++ b/libnitrokey-v3.4/libnitrokey/log.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2015-2018 Nitrokey UG
+ *
+ * This file is part of libnitrokey.
+ *
+ * libnitrokey is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * libnitrokey is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with libnitrokey. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: LGPL-3.0
+ */
+
+#ifndef LOG_H
+#define LOG_H
+
+#include <string>
+#include <functional>
+
+namespace nitrokey {
+ namespace log {
+
+//for MSVC
+#ifdef ERROR
+#undef ERROR
+#endif
+
+
+ enum class Loglevel : int {
+ ERROR,
+ WARNING,
+ INFO,
+ DEBUG_L1,
+ DEBUG,
+ DEBUG_L2
+ };
+
+ class LogHandler {
+ public:
+ virtual void print(const std::string &, Loglevel lvl) = 0;
+ protected:
+ std::string loglevel_to_str(Loglevel);
+ std::string format_message_to_string(const std::string &str, const Loglevel &lvl);
+
+ };
+
+ class StdlogHandler : public LogHandler {
+ public:
+ virtual void print(const std::string &, Loglevel lvl);
+ };
+
+ class FunctionalLogHandler : public LogHandler {
+ using log_function_type = std::function<void(std::string)>;
+ log_function_type log_function;
+ public:
+ FunctionalLogHandler(log_function_type _log_function);
+ virtual void print(const std::string &, Loglevel lvl);
+
+ };
+
+ extern StdlogHandler stdlog_handler;
+
+ class Log {
+ public:
+ Log() : mp_loghandler(&stdlog_handler), m_loglevel(Loglevel::WARNING) {}
+
+ static Log &instance() {
+ if (mp_instance == nullptr) mp_instance = new Log;
+ return *mp_instance;
+ }
+
+ void operator()(const std::string &, Loglevel);
+ void set_loglevel(Loglevel lvl) { m_loglevel = lvl; }
+ void set_handler(LogHandler *handler) { mp_loghandler = handler; }
+
+ private:
+ LogHandler *mp_loghandler;
+ Loglevel m_loglevel;
+ static std::string prefix;
+ public:
+ static void setPrefix(std::string prefix = std::string());
+
+ private:
+
+ static Log *mp_instance;
+ };
+ }
+}
+
+
+#ifdef NO_LOG
+#define LOG(string, level) while(false){}
+#define LOGD(string) while(false){}
+#else
+#define LOG(string, level) nitrokey::log::Log::instance()((string), (level))
+#define LOGD1(string) nitrokey::log::Log::instance()((string), (nitrokey::log::Loglevel::DEBUG_L1))
+#define LOGD(string) nitrokey::log::Log::instance()((string), (nitrokey::log::Loglevel::DEBUG_L2))
+#endif
+
+#endif