139 lines
3.9 KiB
C
139 lines
3.9 KiB
C
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <assert.h>
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#include <malloc.h>
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#include <stdio.h>
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#include "uv.h"
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#include "internal.h"
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#include "req-inl.h"
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/* getnameinfo worker thread implementation */
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static DWORD WINAPI getnameinfo_thread_proc(void* parameter) {
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uv_getnameinfo_t* req = (uv_getnameinfo_t*)parameter;
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uv_loop_t* loop = req->loop;
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WCHAR host[NI_MAXHOST];
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WCHAR service[NI_MAXSERV];
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int ret = 0;
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assert(req != NULL);
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ret = GetNameInfoW((struct sockaddr*)&req->storage,
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sizeof(req->storage),
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host,
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sizeof(host),
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service,
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sizeof(service),
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req->flags);
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req->retcode = uv__getaddrinfo_translate_error(ret);
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/* convert results to UTF-8 */
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WideCharToMultiByte(CP_UTF8,
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0,
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host,
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-1,
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req->host,
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sizeof(req->host),
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NULL,
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NULL);
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WideCharToMultiByte(CP_UTF8,
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0,
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service,
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-1,
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req->service,
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sizeof(req->service),
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NULL,
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NULL);
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/* post getnameinfo completed */
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POST_COMPLETION_FOR_REQ(loop, req);
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return 0;
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}
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/*
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* Called from uv_run when complete.
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*/
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void uv_process_getnameinfo_req(uv_loop_t* loop, uv_getnameinfo_t* req) {
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char* host;
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char* service;
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if (req->retcode == 0) {
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host = req->host;
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service = req->service;
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} else {
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host = NULL;
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service = NULL;
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}
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uv__req_unregister(loop, req);
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req->getnameinfo_cb(req, req->retcode, host, service);
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}
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/*
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* Entry point for getnameinfo
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* return 0 if a callback will be made
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* return error code if validation fails
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*/
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int uv_getnameinfo(uv_loop_t* loop,
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uv_getnameinfo_t* req,
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uv_getnameinfo_cb getnameinfo_cb,
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const struct sockaddr* addr,
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int flags) {
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if (req == NULL || getnameinfo_cb == NULL || addr == NULL)
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return UV_EINVAL;
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if (addr->sa_family == AF_INET) {
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memcpy(&req->storage,
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addr,
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sizeof(struct sockaddr_in));
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} else if (addr->sa_family == AF_INET6) {
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memcpy(&req->storage,
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addr,
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sizeof(struct sockaddr_in6));
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} else {
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return UV_EINVAL;
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}
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uv_req_init(loop, (uv_req_t*)req);
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req->getnameinfo_cb = getnameinfo_cb;
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req->flags = flags;
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req->type = UV_GETNAMEINFO;
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req->loop = loop;
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/* Ask thread to run. Treat this as a long operation. */
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if (QueueUserWorkItem(&getnameinfo_thread_proc,
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req,
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WT_EXECUTELONGFUNCTION) == 0) {
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return uv_translate_sys_error(GetLastError());
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}
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uv__req_register(loop, req);
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return 0;
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}
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