code

Plugins/MqttClient/Source/DTMqtt/MqttC/MQTTTime.h

@@ -0,0 +1,36 @@
+// Copyright 2023 Dexter.Wan. All Rights Reserved. 
+// EMail: 45141961@qq.com
+
+#if !defined(MQTTTIME_H)
+#define MQTTTIME_H
+
+#include <stdint.h>
+
+#if defined(_WIN32) || defined(_WIN64)
+#include <windows.h>
+#if WINVER >= _WIN32_WINNT_VISTA
+#define START_TIME_TYPE ULONGLONG
+#define START_TIME_ZERO 0
+#else
+#define START_TIME_TYPE DWORD
+#define START_TIME_ZERO 0
+#endif
+#elif defined(AIX)
+#define START_TIME_TYPE struct timespec
+#define START_TIME_ZERO {0, 0}
+#else
+#include <sys/time.h>
+#define START_TIME_TYPE struct timeval
+#define START_TIME_ZERO {0, 0}
+#endif
+
+#define ELAPSED_TIME_TYPE uint64_t
+#define DIFF_TIME_TYPE int64_t
+
+void MQTTTime_sleep(ELAPSED_TIME_TYPE milliseconds);
+START_TIME_TYPE MQTTTime_start_clock(void);
+START_TIME_TYPE MQTTTime_now(void);
+ELAPSED_TIME_TYPE MQTTTime_elapsed(START_TIME_TYPE milliseconds);
+DIFF_TIME_TYPE MQTTTime_difftime(START_TIME_TYPE t_new, START_TIME_TYPE t_old);
+
+#endif