1 files changed, 89 insertions, 0 deletions
diff --git a/app/src/hmi-debug.h b/app/src/hmi-debug.h
new file mode 100644
index 0000000..96bbd1f
--- /dev/null
+++ b/app/src/hmi-debug.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2018 TOYOTA MOTOR CORPORATION
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __HMI_DEBUG_H__
+#define __HMI_DEBUG_H__
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+enum LOG_LEVEL {
+  LOG_LEVEL_NONE = 0,
+  LOG_LEVEL_ERROR,
+  LOG_LEVEL_WARNING,
+  LOG_LEVEL_NOTICE,
+  LOG_LEVEL_INFO,
+  LOG_LEVEL_DEBUG,
+  LOG_LEVEL_MAX = LOG_LEVEL_DEBUG
+};
+
+#define __FILENAME__ \
+  (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
+
+#define HMI_ERROR(prefix, args, ...)                                      \
+  _HMI_LOG(LOG_LEVEL_ERROR, __FILENAME__, __FUNCTION__, __LINE__, prefix, \
+           args, ##__VA_ARGS__)
+#define HMI_WARNING(prefix, args, ...)                                      \
+  _HMI_LOG(LOG_LEVEL_WARNING, __FILENAME__, __FUNCTION__, __LINE__, prefix, \
+           args, ##__VA_ARGS__)
+#define HMI_NOTICE(prefix, args, ...)                                      \
+  _HMI_LOG(LOG_LEVEL_NOTICE, __FILENAME__, __FUNCTION__, __LINE__, prefix, \
+           args, ##__VA_ARGS__)
+#define HMI_INFO(prefix, args, ...)                                            \
+  _HMI_LOG(LOG_LEVEL_INFO, __FILENAME__, __FUNCTION__, __LINE__, prefix, args, \
+           ##__VA_ARGS__)
+#define HMI_DEBUG(prefix, args, ...)                                      \
+  _HMI_LOG(LOG_LEVEL_DEBUG, __FILENAME__, __FUNCTION__, __LINE__, prefix, \
+           args, ##__VA_ARGS__)
+
+static char ERROR_FLAG[6][20] = {"NONE",   "ERROR", "WARNING",
+                                 "NOTICE", "INFO",  "DEBUG"};
+
+static void _HMI_LOG(enum LOG_LEVEL level,
+                     const char* file,
+                     const char* func,
+                     const int line,
+                     const char* prefix,
+                     const char* log,
+                     ...) {
+  const int log_level = (getenv("USE_HMI_DEBUG") == NULL)
+                            ? LOG_LEVEL_ERROR
+                            : atoi(getenv("USE_HMI_DEBUG"));
+  if (log_level < level) {
+    return;
+  }
+
+  char* message;
+  struct timespec tp;
+  unsigned int time;
+
+  clock_gettime(CLOCK_REALTIME, &tp);
+  time = (tp.tv_sec * 1000000L) + (tp.tv_nsec / 1000);
+
+  va_list args;
+  va_start(args, log);
+  if (log == NULL || vasprintf(&message, log, args) < 0)
+    message = NULL;
+  fprintf(stderr, "[%10.3f] [%s %s] [%s, %s(), Line:%d] >>> %s \n",
+          time / 1000.0, prefix, ERROR_FLAG[level], file, func, line, message);
+  va_end(args);
+  free(message);
+}
+
+#endif  //__HMI_DEBUG_H__