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diff --git a/FreeRTOS-Labs/Source/FreeRTOS-IoT-Libraries/c_sdk/platform/types/iot_platform_types.h b/FreeRTOS-Labs/Source/FreeRTOS-IoT-Libraries/c_sdk/platform/types/iot_platform_types.h
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+/*
+ * IoT Platform V1.1.0
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * @file iot_platform_types.h
+ * @brief Types of the platform layer.
+ */
+
+#ifndef IOT_PLATFORM_TYPES_H_
+#define IOT_PLATFORM_TYPES_H_
+
+/* The config header is always included first. */
+#include "iot_config.h"
+
+/* Linear containers (lists and queues) include for metrics types. */
+#include "iot_linear_containers.h"
+
+/*------------------------- Thread management types -------------------------*/
+
+/**
+ * @brief A value representing the system default for new thread priority.
+ */
+#ifndef IOT_THREAD_DEFAULT_PRIORITY
+#define IOT_THREAD_DEFAULT_PRIORITY      0
+#endif
+
+/**
+ * @brief A value representing the system default for new thread stack size.
+ */
+#ifndef IOT_THREAD_DEFAULT_STACK_SIZE
+#define IOT_THREAD_DEFAULT_STACK_SIZE    0
+#endif
+
+/**
+ * @ingroup platform_datatypes_handles
+ * @brief The type used to represent mutexes, configured with the type
+ * `_IotSystemMutex_t`.
+ *
+ * For the provided ports, `_IotSystemMutex_t` will be automatically configured.
+ * For other ports, `_IotSystemMutex_t` should be set in `iot_config.h`.
+ *
+ * Mutexes should only be released by the threads that take them.
+ *
+ * <b>Example</b> <br>
+ * To change the type of #IotMutex_t to `long`:
+ * @code{c}
+ * typedef long _IotSystemMutex_t;
+ * #include "iot_threads.h"
+ * @endcode
+ */
+typedef _IotSystemMutex_t       IotMutex_t;
+
+/**
+ * @ingroup platform_datatypes_handles
+ * @brief The type used to represent semaphores, configured with the type
+ * `_IotSystemSemaphore_t`.
+ *
+ * For the provided ports, `_IotSystemSemaphore_t` will be automatically configured.
+ * For other ports, `_IotSystemSemaphore_t` should be set in `iot_config.h`.
+ *
+ * Semaphores must be counting, and any thread may take (wait on) or release
+ * (post to) a semaphore.
+ *
+ * <b>Example</b> <br>
+ * To change the type of #IotSemaphore_t to `long`:
+ * @code{c}
+ * typedef long _IotSystemSemaphore_t;
+ * #include "iot_threads.h"
+ * @endcode
+ */
+typedef _IotSystemSemaphore_t   IotSemaphore_t;
+
+/**
+ * @brief Thread routine function.
+ *
+ * @param[in] void * The argument passed to the @ref
+ * platform_threads_function_createdetachedthread. For application use.
+ */
+typedef void ( * IotThreadRoutine_t )( void * );
+
+/*-------------------------- Clock and timer types --------------------------*/
+
+/**
+ * @ingroup platform_datatypes_handles
+ * @brief The type used to represent timers, configured with the type
+ * `_IotSystemTimer_t`.
+ *
+ * For the provided ports, `_IotSystemTimer_t` will be automatically configured.
+ * For other ports, `_IotSystemTimer_t` should be set in `iot_config.h`.
+ *
+ * <b>Example</b> <br>
+ * To change the type of #IotTimer_t to `long`:
+ * @code{c}
+ * typedef long _IotSystemTimer_t;
+ * #include "iot_clock.h"
+ * @endcode
+ */
+typedef _IotSystemTimer_t IotTimer_t;
+
+/*--------------------------- Network stack types ---------------------------*/
+
+/**
+ * @ingroup platform_datatypes_handles
+ * @brief The type used to represent network server info, configured with the
+ * type `_IotNetworkServerInfo_t`.
+ *
+ * For the provided ports, `_IotNetworkServerInfo_t` will be automatically configured.
+ * For other ports, `_IotNetworkServerInfo_t` should be set in `iot_config.h`.
+ *
+ * All of the provided ports configure this to #IotNetworkServerInfo, which provides
+ * the necessary information to connect to a TCP peer. For other network protocols,
+ * this type should be set to an alternate structure as needed by the other protocol.
+ */
+typedef _IotNetworkServerInfo_t IotNetworkServerInfo_t;
+
+/**
+ * @ingroup platform_datatypes_handles
+ * @brief The type used to represent network credentials, configured with the
+ * type `_IotNetworkCredentials_t`.
+ *
+ * For the provided ports, `_IotNetworkCredentials_t` will be automatically configured.
+ * For other ports, `_IotNetworkCredentials_t` should be set in `iot_config.h`.
+ *
+ * All of the provided ports configure this to #IotNetworkCredentials, which provides
+ * the necessary information to connect to a TLS server over TCP. For other network
+ * protocols, this type should be set to an alternate structure as needed by the other
+ * protocol.
+ */
+typedef _IotNetworkCredentials_t IotNetworkCredentials_t;
+
+/**
+ * @ingroup platform_datatypes_handles
+ * @brief The type used to represent network connections, configured with the
+ * type `_IotNetworkConnection_t`.
+ *
+ * For the provided ports, `_IotNetworkConnection_t` will be automatically configured.
+ * For other ports, `_IotNetworkConnection_t` should be set in `iot_config.h`.
+ */
+typedef _IotNetworkConnection_t IotNetworkConnection_t;
+
+/*------------------------------ Metrics types ------------------------------*/
+
+/**
+ * @brief The length of the buffer used to store IP addresses for metrics.
+ *
+ * This is the length of the longest IPv6 address plus space for the port number
+ * and NULL terminator.
+ */
+#define IOT_METRICS_IP_ADDRESS_LENGTH    54
+
+/**
+ * @brief Represents a TCP connection to a remote IPv4 server.
+ *
+ * A list of these is provided by @ref platform_metrics_function_gettcpconnections.
+ */
+typedef struct IotMetricsTcpConnection
+{
+    IotLink_t link;         /**< @brief List link member. */
+    void * pNetworkContext; /**< @brief Context that may be used by metrics or Defender. */
+    size_t addressLength;   /**< @brief The length of the address stored in #IotMetricsTcpConnection_t.pRemoteAddress. */
+
+    /**
+     * @brief NULL-terminated IP address and port in text format.
+     *
+     * IPv4 addresses will be in the format `xxx.xxx.xxx.xxx:port`.
+     * IPv6 addresses will be in the format `[xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx]:port`.
+     */
+    char pRemoteAddress[ IOT_METRICS_IP_ADDRESS_LENGTH ];
+} IotMetricsTcpConnection_t;
+
+#endif /* ifndef IOT_PLATFORM_TYPES_H_ */