Lesson 35 - Get Compute Auth Token Working

Plugins/GameLiftPlugin/Source/AWSSDK/Include/aws/common/clock.h

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+#ifndef AWS_COMMON_CLOCK_H
+#define AWS_COMMON_CLOCK_H
+
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+
+#include <aws/common/common.h>
+#include <aws/common/math.h>
+
+AWS_PUSH_SANE_WARNING_LEVEL
+
+enum aws_timestamp_unit {
+    AWS_TIMESTAMP_SECS = 1,
+    AWS_TIMESTAMP_MILLIS = 1000,
+    AWS_TIMESTAMP_MICROS = 1000000,
+    AWS_TIMESTAMP_NANOS = 1000000000,
+};
+
+AWS_EXTERN_C_BEGIN
+
+/**
+ * Converts 'timestamp' from unit 'convert_from' to unit 'convert_to', if the units are the same then 'timestamp' is
+ * returned. If 'remainder' is NOT NULL, it will be set to the remainder if convert_from is a more precise unit than
+ * convert_to. To avoid unnecessary branching, 'remainder' is not zero initialized in this function, be sure to set it
+ * to 0 first if you care about that kind of thing. If conversion would lead to integer overflow, the timestamp
+ * returned will be the highest possible time that is representable, i.e. UINT64_MAX.
+ */
+AWS_STATIC_IMPL uint64_t aws_timestamp_convert(
+    uint64_t timestamp,
+    enum aws_timestamp_unit convert_from,
+    enum aws_timestamp_unit convert_to,
+    uint64_t *remainder);
+
+/**
+ * More general form of aws_timestamp_convert that takes arbitrary frequencies rather than the timestamp enum.
+ */
+AWS_STATIC_IMPL uint64_t
+    aws_timestamp_convert_u64(uint64_t ticks, uint64_t old_frequency, uint64_t new_frequency, uint64_t *remainder);
+
+/**
+ * Get ticks in nanoseconds (usually 100 nanosecond precision) on the high resolution clock (most-likely TSC). This
+ * clock has no bearing on the actual system time. On success, timestamp will be set.
+ */
+AWS_COMMON_API
+int aws_high_res_clock_get_ticks(uint64_t *timestamp);
+
+/**
+ * Get ticks in nanoseconds (usually 100 nanosecond precision) on the system clock. Reflects actual system time via
+ * nanoseconds since unix epoch. Use with care since an inaccurately set clock will probably cause bugs. On success,
+ * timestamp will be set.
+ */
+AWS_COMMON_API
+int aws_sys_clock_get_ticks(uint64_t *timestamp);
+
+AWS_EXTERN_C_END
+
+#ifndef AWS_NO_STATIC_IMPL
+#    include <aws/common/clock.inl>
+#endif /* AWS_NO_STATIC_IMPL */
+
+AWS_POP_SANE_WARNING_LEVEL
+
+#endif /* AWS_COMMON_CLOCK_H */