1 /**************************************************************************/ 2 /* */ 3 /* Copyright (c) Microsoft Corporation. All rights reserved. */ 4 /* */ 5 /* This software is licensed under the Microsoft Software License */ 6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */ 7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ 8 /* and in the root directory of this software. */ 9 /* */ 10 /**************************************************************************/ 11 12 13 /**************************************************************************/ 14 /**************************************************************************/ 15 /** */ 16 /** NetX Component */ 17 /** */ 18 /** Transmission Control Protocol (TCP) */ 19 /** */ 20 /**************************************************************************/ 21 /**************************************************************************/ 22 23 #define NX_SOURCE_CODE 24 25 26 /* Include necessary system files. */ 27 28 #include "nx_api.h" 29 #include "nx_tcp.h" 30 31 32 /**************************************************************************/ 33 /* */ 34 /* FUNCTION RELEASE */ 35 /* */ 36 /* _nx_tcp_socket_peer_info_get PORTABLE C */ 37 /* 6.1 */ 38 /* AUTHOR */ 39 /* */ 40 /* Yuxin Zhou, Microsoft Corporation */ 41 /* */ 42 /* DESCRIPTION */ 43 /* */ 44 /* This function retrieves IP address and port number of the peer */ 45 /* connected to the specified TCP socket. */ 46 /* */ 47 /* INPUT */ 48 /* */ 49 /* socket_ptr Pointer to the TCP sockete */ 50 /* peer_ip_address Pointer to the IP address */ 51 /* of the peer. */ 52 /* peer_port Pointer to the port number */ 53 /* of the peer. */ 54 /* */ 55 /* OUTPUT */ 56 /* */ 57 /* status Completion status */ 58 /* */ 59 /* CALLS */ 60 /* */ 61 /* tx_mutex_get Obtain protection */ 62 /* tx_mutex_put Release protection */ 63 /* _nxd_tcp_socket_peer_info_get Obtain TCP socket information */ 64 /* */ 65 /* CALLED BY */ 66 /* */ 67 /* Application Code */ 68 /* */ 69 /* RELEASE HISTORY */ 70 /* */ 71 /* DATE NAME DESCRIPTION */ 72 /* */ 73 /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */ 74 /* 09-30-2020 Yuxin Zhou Modified comment(s), */ 75 /* resulting in version 6.1 */ 76 /* */ 77 /**************************************************************************/ _nx_tcp_socket_peer_info_get(NX_TCP_SOCKET * socket_ptr,ULONG * peer_ip_address,ULONG * peer_port)78UINT _nx_tcp_socket_peer_info_get(NX_TCP_SOCKET *socket_ptr, 79 ULONG *peer_ip_address, 80 ULONG *peer_port) 81 { 82 #ifndef NX_DISABLE_IPV4 83 UINT status; 84 NXD_ADDRESS ip_address; 85 86 status = _nxd_tcp_socket_peer_info_get(socket_ptr, &ip_address, peer_port); 87 if (status == NX_SUCCESS) 88 { 89 90 /*lint -e{644} suppress variable might not be initialized, since "ip_address" was initialized as long as status is NX_SUCCESS. */ 91 *peer_ip_address = ip_address.nxd_ip_address.v4; 92 } 93 94 95 /* Return successful completion status. */ 96 return(status); 97 #else 98 NX_PARAMETER_NOT_USED(socket_ptr); 99 NX_PARAMETER_NOT_USED(peer_ip_address); 100 NX_PARAMETER_NOT_USED(peer_port); 101 102 return(NX_NOT_SUPPORTED); 103 #endif /* NX_DISABLE_IPV4 */ 104 } 105 106