1e66f31c5Sopenharmony_ci/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. 2e66f31c5Sopenharmony_ci* 3e66f31c5Sopenharmony_ci* Permission is hereby granted, free of charge, to any person obtaining a copy 4e66f31c5Sopenharmony_ci* of this software and associated documentation files (the "Software"), to 5e66f31c5Sopenharmony_ci* deal in the Software without restriction, including without limitation the 6e66f31c5Sopenharmony_ci* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 7e66f31c5Sopenharmony_ci* sell copies of the Software, and to permit persons to whom the Software is 8e66f31c5Sopenharmony_ci* furnished to do so, subject to the following conditions: 9e66f31c5Sopenharmony_ci* 10e66f31c5Sopenharmony_ci* The above copyright notice and this permission notice shall be included in 11e66f31c5Sopenharmony_ci* all copies or substantial portions of the Software. 12e66f31c5Sopenharmony_ci* 13e66f31c5Sopenharmony_ci* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14e66f31c5Sopenharmony_ci* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15e66f31c5Sopenharmony_ci* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16e66f31c5Sopenharmony_ci* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17e66f31c5Sopenharmony_ci* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 18e66f31c5Sopenharmony_ci* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 19e66f31c5Sopenharmony_ci* IN THE SOFTWARE. 20e66f31c5Sopenharmony_ci*/ 21e66f31c5Sopenharmony_ci 22e66f31c5Sopenharmony_ci#include <assert.h> 23e66f31c5Sopenharmony_ci#include <stdlib.h> 24e66f31c5Sopenharmony_ci#include <stdio.h> 25e66f31c5Sopenharmony_ci#include <string.h> 26e66f31c5Sopenharmony_ci 27e66f31c5Sopenharmony_ci#include "uv.h" 28e66f31c5Sopenharmony_ci#include "internal.h" 29e66f31c5Sopenharmony_ci 30e66f31c5Sopenharmony_ci 31e66f31c5Sopenharmony_cistatic void uv__getnameinfo_work(struct uv__work* w) { 32e66f31c5Sopenharmony_ci uv_getnameinfo_t* req; 33e66f31c5Sopenharmony_ci int err; 34e66f31c5Sopenharmony_ci socklen_t salen; 35e66f31c5Sopenharmony_ci 36e66f31c5Sopenharmony_ci req = container_of(w, uv_getnameinfo_t, work_req); 37e66f31c5Sopenharmony_ci 38e66f31c5Sopenharmony_ci if (req->storage.ss_family == AF_INET) 39e66f31c5Sopenharmony_ci salen = sizeof(struct sockaddr_in); 40e66f31c5Sopenharmony_ci else if (req->storage.ss_family == AF_INET6) 41e66f31c5Sopenharmony_ci salen = sizeof(struct sockaddr_in6); 42e66f31c5Sopenharmony_ci else 43e66f31c5Sopenharmony_ci abort(); 44e66f31c5Sopenharmony_ci 45e66f31c5Sopenharmony_ci err = getnameinfo((struct sockaddr*) &req->storage, 46e66f31c5Sopenharmony_ci salen, 47e66f31c5Sopenharmony_ci req->host, 48e66f31c5Sopenharmony_ci sizeof(req->host), 49e66f31c5Sopenharmony_ci req->service, 50e66f31c5Sopenharmony_ci sizeof(req->service), 51e66f31c5Sopenharmony_ci req->flags); 52e66f31c5Sopenharmony_ci req->retcode = uv__getaddrinfo_translate_error(err); 53e66f31c5Sopenharmony_ci} 54e66f31c5Sopenharmony_ci 55e66f31c5Sopenharmony_cistatic void uv__getnameinfo_done(struct uv__work* w, int status) { 56e66f31c5Sopenharmony_ci uv_getnameinfo_t* req; 57e66f31c5Sopenharmony_ci char* host; 58e66f31c5Sopenharmony_ci char* service; 59e66f31c5Sopenharmony_ci 60e66f31c5Sopenharmony_ci req = container_of(w, uv_getnameinfo_t, work_req); 61e66f31c5Sopenharmony_ci uv__req_unregister(req->loop, req); 62e66f31c5Sopenharmony_ci host = service = NULL; 63e66f31c5Sopenharmony_ci 64e66f31c5Sopenharmony_ci if (status == UV_ECANCELED) { 65e66f31c5Sopenharmony_ci assert(req->retcode == 0); 66e66f31c5Sopenharmony_ci req->retcode = UV_EAI_CANCELED; 67e66f31c5Sopenharmony_ci } else if (req->retcode == 0) { 68e66f31c5Sopenharmony_ci host = req->host; 69e66f31c5Sopenharmony_ci service = req->service; 70e66f31c5Sopenharmony_ci } 71e66f31c5Sopenharmony_ci 72e66f31c5Sopenharmony_ci if (req->getnameinfo_cb) 73e66f31c5Sopenharmony_ci req->getnameinfo_cb(req, req->retcode, host, service); 74e66f31c5Sopenharmony_ci} 75e66f31c5Sopenharmony_ci 76e66f31c5Sopenharmony_ci/* 77e66f31c5Sopenharmony_ci* Entry point for getnameinfo 78e66f31c5Sopenharmony_ci* return 0 if a callback will be made 79e66f31c5Sopenharmony_ci* return error code if validation fails 80e66f31c5Sopenharmony_ci*/ 81e66f31c5Sopenharmony_ciint uv_getnameinfo(uv_loop_t* loop, 82e66f31c5Sopenharmony_ci uv_getnameinfo_t* req, 83e66f31c5Sopenharmony_ci uv_getnameinfo_cb getnameinfo_cb, 84e66f31c5Sopenharmony_ci const struct sockaddr* addr, 85e66f31c5Sopenharmony_ci int flags) { 86e66f31c5Sopenharmony_ci if (req == NULL || addr == NULL) 87e66f31c5Sopenharmony_ci return UV_EINVAL; 88e66f31c5Sopenharmony_ci 89e66f31c5Sopenharmony_ci if (addr->sa_family == AF_INET) { 90e66f31c5Sopenharmony_ci memcpy(&req->storage, 91e66f31c5Sopenharmony_ci addr, 92e66f31c5Sopenharmony_ci sizeof(struct sockaddr_in)); 93e66f31c5Sopenharmony_ci } else if (addr->sa_family == AF_INET6) { 94e66f31c5Sopenharmony_ci memcpy(&req->storage, 95e66f31c5Sopenharmony_ci addr, 96e66f31c5Sopenharmony_ci sizeof(struct sockaddr_in6)); 97e66f31c5Sopenharmony_ci } else { 98e66f31c5Sopenharmony_ci return UV_EINVAL; 99e66f31c5Sopenharmony_ci } 100e66f31c5Sopenharmony_ci 101e66f31c5Sopenharmony_ci uv__req_init(loop, (uv_req_t*)req, UV_GETNAMEINFO); 102e66f31c5Sopenharmony_ci 103e66f31c5Sopenharmony_ci req->getnameinfo_cb = getnameinfo_cb; 104e66f31c5Sopenharmony_ci req->flags = flags; 105e66f31c5Sopenharmony_ci req->type = UV_GETNAMEINFO; 106e66f31c5Sopenharmony_ci req->loop = loop; 107e66f31c5Sopenharmony_ci req->retcode = 0; 108e66f31c5Sopenharmony_ci 109e66f31c5Sopenharmony_ci if (getnameinfo_cb) { 110e66f31c5Sopenharmony_ci uv__work_submit(loop, 111e66f31c5Sopenharmony_ci#ifdef USE_FFRT 112e66f31c5Sopenharmony_ci (uv_req_t*)req, 113e66f31c5Sopenharmony_ci#endif 114e66f31c5Sopenharmony_ci &req->work_req, 115e66f31c5Sopenharmony_ci UV__WORK_SLOW_IO, 116e66f31c5Sopenharmony_ci uv__getnameinfo_work, 117e66f31c5Sopenharmony_ci uv__getnameinfo_done); 118e66f31c5Sopenharmony_ci return 0; 119e66f31c5Sopenharmony_ci } else { 120e66f31c5Sopenharmony_ci uv__getnameinfo_work(&req->work_req); 121e66f31c5Sopenharmony_ci uv__getnameinfo_done(&req->work_req, 0); 122e66f31c5Sopenharmony_ci return req->retcode; 123e66f31c5Sopenharmony_ci } 124e66f31c5Sopenharmony_ci} 125