2 * IoT Platform V1.1.0
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3 * Copyright (C) 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software.
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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24 * @file iot_metrics.h
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25 * @brief Functions for retrieving [Device Defender](@ref defender) metrics.
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27 * The functions in this header are only required by Device Defender. They do not
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28 * need to be implemented if Device Defender is not used.
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31 #ifndef IOT_METRICS_H_
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32 #define IOT_METRICS_H_
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34 /* The config header is always included first. */
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35 #include "iot_config.h"
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37 /* Standard includes. */
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38 #include <stdbool.h>
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40 /* Linear containers (lists and queues) include. */
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41 #include "iot_linear_containers.h"
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44 * @functionspage{platform_metrics,platform metrics component,Metrics}
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45 * - @functionname{platform_metrics_function_init}
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46 * - @functionname{platform_metrics_function_cleanup}
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47 * - @functionname{platform_metrics_function_gettcpconnections}
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51 * @functionpage{IotMetrics_Init,platform_metrics,init}
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52 * @functionpage{IotMetrics_Cleanup,platform_metrics,cleanup}
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53 * @functionpage{IotMetrics_GetTcpConnections,platform_metrics,gettcpconnections}
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57 * @brief One-time initialization function for the platform metrics component.
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59 * This function initializes the platform metrics component. <b>It must be called
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60 * once (and only once) before calling any other metrics or [Device Defender function]
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61 * (@ref defender_functions).</b> Calling this function more than once without first
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62 * calling @ref platform_metrics_function_cleanup may result in a crash.
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64 * @return `true` is initialization succeeded; `false` otherwise.
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66 * @warning No thread-safety guarantees are provided for this function.
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68 /* @[declare_platform_metrics_init] */
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69 bool IotMetrics_Init( void );
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70 /* @[declare_platform_metrics_init] */
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73 * @brief One-time deinitialization function for the platform metrics component.
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75 * This function frees resources taken in @ref platform_metrics_function_init.
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76 * No other metrics or [Device Defender functions](@ref defender_functions) may
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77 * be called unless @ref platform_metrics_function_init is called again.
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79 * @warning No thread-safety guarantees are provided for this function.
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81 /* @[declare_platform_metrics_cleanup] */
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82 void IotMetrics_Cleanup( void );
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83 /* @[declare_platform_metrics_cleanup] */
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86 * @brief Retrieve a list of active TCP connections from the system.
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88 * The provided connections are reported by Device Defender.
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90 * @param[in] pContext Context passed as the first parameter of `metricsCallback`.
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91 * @param[in] metricsCallback Called by this function to provide the list of TCP
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92 * connections. The list given by this function is should not be used after the
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95 /* @[declare_platform_metrics_gettcpconnections] */
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96 void IotMetrics_GetTcpConnections( void * pContext,
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97 void ( * metricsCallback )( void *, const IotListDouble_t * ) );
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98 /* @[declare_platform_metrics_gettcpconnections] */
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100 #endif /* ifndef IOT_METRICS_H_ */
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