1 /* 2 * Copyright (c) 2021, The OpenThread Authors. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. Neither the name of the copyright holder nor the 13 * names of its contributors may be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "openthread-posix-config.h" 30 #include "platform-posix.h" 31 32 #include <arpa/inet.h> 33 34 namespace ot { 35 namespace Posix { 36 namespace Ip6Utils { 37 38 /** 39 * This utility class converts binary IPv6 address to text format. 40 * 41 */ 42 class Ip6AddressString 43 { 44 public: 45 /** 46 * The constructor of this converter. 47 * 48 * @param[in] aAddress A pointer to a buffer holding an IPv6 address. 49 * 50 */ Ip6AddressString(const void * aAddress)51 Ip6AddressString(const void *aAddress) 52 { 53 VerifyOrDie(inet_ntop(AF_INET6, aAddress, mBuffer, sizeof(mBuffer)) != nullptr, OT_EXIT_ERROR_ERRNO); 54 } 55 56 /** 57 * This method returns the string as a null-terminated C string. 58 * 59 * @returns The null-terminated C string. 60 * 61 */ AsCString(void) const62 const char *AsCString(void) const { return mBuffer; } 63 64 private: 65 char mBuffer[INET6_ADDRSTRLEN]; 66 }; 67 68 } // namespace Ip6Utils 69 } // namespace Posix 70 } // namespace ot 71