The first implementation of GLog in dpctl

Author: vlad-perevezentsev

libsyclinterface/CMakeLists.txt

@@ -68,6 +68,9 @@ if(DPCTL_ENABLE_LO_PROGRAM_CREATION)
     endif()
 endif()
 
+find_package(Threads REQUIRED)
+find_package(glog CONFIG REQUIRED)
+
 configure_file(
     ${CMAKE_SOURCE_DIR}/include/Config/dpctl_config.h.in
     ${CMAKE_SOURCE_DIR}/include/Config/dpctl_config.h
@@ -161,11 +164,15 @@ target_include_directories(DPCTLSyclInterface
     ${CMAKE_SOURCE_DIR}/include/
     ${CMAKE_SOURCE_DIR}/helper/include/
     ${IntelSycl_SYCL_INCLUDE_DIR}
+    ${GLOG_INCLUDE_DIRS}
 )
 
+link_directories(${GLOG_LIB_DIR})
+
 target_link_libraries(DPCTLSyclInterface
     PRIVATE ${IntelSycl_SYCL_LIBRARY}
     PRIVATE ${IntelSycl_OPENCL_LIBRARY}
+    glog::glog
 )
 
 include(GetProjectVersion)

libsyclinterface/helper/source/dpctl_error_handlers.cpp

@@ -25,6 +25,7 @@
 
 #include "dpctl_error_handlers.h"
 #include <cstring>
+#include <glog/logging.h>
 
 void DPCTL_AsyncErrorHandler::operator()(
     const cl::sycl::exception_list &exceptions)
@@ -40,6 +41,29 @@ void DPCTL_AsyncErrorHandler::operator()(
     }
 }
 
+class GLogHelper
+{
+public:
+    GLogHelper()
+    {
+        google::InitGoogleLogging("");
+        google::EnableLogCleaner(0);
+        google::InstallFailureSignalHandler();
+        FLAGS_colorlogtostderr = true;
+        FLAGS_stderrthreshold = google::FATAL;
+        if (FLAGS_log_dir.empty()) {
+            FLAGS_log_dir = "/tmp";
+        }
+    }
+
+    ~GLogHelper()
+    {
+        google::ShutdownGoogleLogging();
+    }
+};
+
+static GLogHelper gloginit;
+
 inline int get_requested_level(void)
 {
     int requested_level = 0;
@@ -67,10 +91,9 @@ void error_handler(const std::exception &e,
     int requested_level = get_requested_level();
     int error_level = static_cast<int>(error_type);
 
-    if (requested_level <= error_level) {
-        std::cerr << e.what() << " in " << func_name << " at " << file_name
-                  << ":" << line_num << std::endl;
-    }
+    LOG_IF(ERROR, requested_level >= error_level)
+        << e.what() << " in " << func_name << " at " << file_name << ":"
+        << line_num << std::endl;
 }
 
 void error_handler(const std::string &what,
@@ -82,8 +105,7 @@ void error_handler(const std::string &what,
     int error_level = static_cast<int>(error_type);
     int requested_level = get_requested_level();
 
-    if (requested_level <= error_level) {
-        std::cerr << what << " In " << func_name << " at " << file_name << ":"
-                  << line_num << std::endl;
-    }
+    LOG_IF(INFO, requested_level >= error_level)
+        << what << " In " << func_name << " at " << file_name << ":" << line_num
+        << std::endl;
 }