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-rw-r--r--host/include/uhd/CMakeLists.txt1
-rw-r--r--host/include/uhd/log.hpp64
-rw-r--r--host/lib/CMakeLists.txt1
-rw-r--r--host/lib/log.cpp133
4 files changed, 199 insertions, 0 deletions
diff --git a/host/include/uhd/CMakeLists.txt b/host/include/uhd/CMakeLists.txt
index 74dc4a7d6..dca32089e 100644
--- a/host/include/uhd/CMakeLists.txt
+++ b/host/include/uhd/CMakeLists.txt
@@ -26,6 +26,7 @@ INSTALL(FILES
convert.hpp
device.hpp
exception.hpp
+ log.hpp
version.hpp
wax.hpp
DESTINATION ${INCLUDE_DIR}/uhd
diff --git a/host/include/uhd/log.hpp b/host/include/uhd/log.hpp
new file mode 100644
index 000000000..8c9f4cec6
--- /dev/null
+++ b/host/include/uhd/log.hpp
@@ -0,0 +1,64 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program 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 General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#ifndef INCLUDED_UHD_LOG_HPP
+#define INCLUDED_UHD_LOG_HPP
+
+#include <uhd/config.hpp>
+#include <boost/current_function.hpp>
+#include <ostream>
+#include <string>
+
+//! uhd logger macro with default verbosity
+#define UHD_LOG \
+ uhd::_log::log(uhd::_log::regularly, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION)
+
+//! uhd logger macro with configurable verbosity
+#define UHD_LOGV(verbosity) \
+ uhd::_log::log(uhd::_log::verbosity, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION)
+
+namespace uhd{ namespace _log{
+
+ //! Verbosity levels for the logger
+ enum verbosity_t{
+ always = 1,
+ often = 2,
+ regularly = 3,
+ rarely = 4,
+ very_rarely = 5,
+ };
+
+ //! Internal logging object (called by UHD_LOG macros)
+ struct UHD_API log{
+ log(
+ const verbosity_t verbosity,
+ const std::string &file,
+ const unsigned int line,
+ const std::string &function
+ );
+ ~log(void);
+
+ std::ostream &get(void);
+
+ template <typename T> std::ostream &operator<<(const T &x){
+ return get() << x;
+ }
+ };
+
+}} //namespace uhd::_log
+
+#endif /* INCLUDED_UHD_LOG_HPP */
diff --git a/host/lib/CMakeLists.txt b/host/lib/CMakeLists.txt
index fca4730d8..03b79c036 100644
--- a/host/lib/CMakeLists.txt
+++ b/host/lib/CMakeLists.txt
@@ -93,6 +93,7 @@ SET_SOURCE_FILES_PROPERTIES(
LIBUHD_APPEND_SOURCES(
${CMAKE_CURRENT_SOURCE_DIR}/device.cpp
${CMAKE_CURRENT_SOURCE_DIR}/exception.cpp
+ ${CMAKE_CURRENT_SOURCE_DIR}/log.cpp
${CMAKE_CURRENT_SOURCE_DIR}/version.cpp
${CMAKE_CURRENT_SOURCE_DIR}/wax.cpp
)
diff --git a/host/lib/log.cpp b/host/lib/log.cpp
new file mode 100644
index 000000000..fb68da39d
--- /dev/null
+++ b/host/lib/log.cpp
@@ -0,0 +1,133 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program 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 General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#include <uhd/log.hpp>
+#include <uhd/utils/static.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/format.hpp>
+#include <boost/thread/mutex.hpp>
+#include <boost/date_time/posix_time/posix_time.hpp>
+#ifdef BOOST_MSVC
+#define USE_GET_TEMP_PATH
+#include <Windows.h> //GetTempPath
+#endif
+#include <stdio.h> //P_tmpdir
+#include <cstdlib> //getenv
+#include <fstream>
+
+namespace fs = boost::filesystem;
+namespace pt = boost::posix_time;
+
+/***********************************************************************
+ * Helper function to get the system's temporary path
+ **********************************************************************/
+static fs::path get_temp_path(void){
+ const char *tmp_path = NULL;
+
+ //try the official uhd temp path environment variable
+ tmp_path = std::getenv("UHD_TEMP_PATH");
+ if (tmp_path != NULL) return tmp_path;
+
+ //try the windows function if available
+ #ifdef USE_GET_TEMP_PATH
+ LPTSTR lpBuffer[2048];
+ if (GetTempPath(sizeof(lpBuffer)/sizeof(*lpBuffer), lpBuffer)) return lpBuffer;
+ #endif
+
+ //try windows environment variables
+ tmp_path = std::getenv("TMP");
+ if (tmp_path != NULL) return tmp_path;
+
+ tmp_path = std::getenv("TEMP");
+ if (tmp_path != NULL) return tmp_path;
+
+ //try the stdio define if available
+ #ifdef P_tmpdir
+ return P_tmpdir;
+ #endif
+
+ //try unix environment variables
+ tmp_path = std::getenv("TMPDIR");
+ if (tmp_path != NULL) return tmp_path;
+
+ //give up and use the unix default
+ return "/tmp";
+}
+
+/***********************************************************************
+ * The library's streamer resource (static initialization)
+ **********************************************************************/
+class uhd_logger_stream_resource_class{
+public:
+ uhd_logger_stream_resource_class(void){
+ const std::string log_path = (get_temp_path() / "uhd.log").string();
+ _streamer.open(log_path.c_str(), std::fstream::out | std::fstream::app);
+ }
+
+ ~uhd_logger_stream_resource_class(void){
+ _streamer.close();
+ }
+
+ std::ostream &get(void){
+ return _streamer;
+ }
+
+ void aquire(bool lock){
+ if (lock) _mutex.lock();
+ else _mutex.unlock();
+ }
+
+private:
+ std::ofstream _streamer;
+ boost::mutex _mutex;
+};
+
+UHD_SINGLETON_FCN(uhd_logger_stream_resource_class, uhd_logger_stream_resource);
+
+/***********************************************************************
+ * The logger function implementation
+ **********************************************************************/
+uhd::_log::log::log(
+ const verbosity_t verbosity,
+ const std::string &file,
+ const unsigned int line,
+ const std::string &function
+){
+ uhd_logger_stream_resource().aquire(true);
+ const std::string time = pt::to_simple_string(pt::microsec_clock::local_time());
+ const std::string header = str(boost::format(
+ "-- %s - lvl %d - %s @ %s:%u"
+ ) % time % int(verbosity) % function % fs::path(file).leaf() % line);
+ uhd_logger_stream_resource().get()
+ << std::endl
+ << std::string(header.size(), '-') << std::endl
+ << header << std::endl
+ << std::string(header.size(), '-') << std::endl
+ ;
+}
+
+uhd::_log::log::~log(void){
+ uhd_logger_stream_resource().aquire(false);
+}
+
+std::ostream & uhd::_log::log::get(void){
+ return uhd_logger_stream_resource().get();
+}
+
+UHD_STATIC_BLOCK(logger_begin){
+ UHD_LOG << "Logger has started" << std::endl;
+}
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