summaryrefslogtreecommitdiffstats
path: root/Utilities/cmlibuv/src/win/getnameinfo.c
diff options
context:
space:
mode:
Diffstat (limited to 'Utilities/cmlibuv/src/win/getnameinfo.c')
-rw-r--r--Utilities/cmlibuv/src/win/getnameinfo.c150
1 files changed, 150 insertions, 0 deletions
diff --git a/Utilities/cmlibuv/src/win/getnameinfo.c b/Utilities/cmlibuv/src/win/getnameinfo.c
new file mode 100644
index 0000000..66b64b8
--- /dev/null
+++ b/Utilities/cmlibuv/src/win/getnameinfo.c
@@ -0,0 +1,150 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to
+* deal in the Software without restriction, including without limitation the
+* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+* sell copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+* IN THE SOFTWARE.
+*/
+
+#include <assert.h>
+#include <stdio.h>
+
+#include "uv.h"
+#include "internal.h"
+#include "req-inl.h"
+
+#ifndef GetNameInfo
+int WSAAPI GetNameInfoW(
+ const SOCKADDR *pSockaddr,
+ socklen_t SockaddrLength,
+ PWCHAR pNodeBuffer,
+ DWORD NodeBufferSize,
+ PWCHAR pServiceBuffer,
+ DWORD ServiceBufferSize,
+ INT Flags
+);
+#endif
+
+static void uv__getnameinfo_work(struct uv__work* w) {
+ uv_getnameinfo_t* req;
+ WCHAR host[NI_MAXHOST];
+ WCHAR service[NI_MAXSERV];
+ int ret = 0;
+
+ req = container_of(w, uv_getnameinfo_t, work_req);
+ if (GetNameInfoW((struct sockaddr*)&req->storage,
+ sizeof(req->storage),
+ host,
+ ARRAY_SIZE(host),
+ service,
+ ARRAY_SIZE(service),
+ req->flags)) {
+ ret = WSAGetLastError();
+ }
+ req->retcode = uv__getaddrinfo_translate_error(ret);
+
+ /* convert results to UTF-8 */
+ WideCharToMultiByte(CP_UTF8,
+ 0,
+ host,
+ -1,
+ req->host,
+ sizeof(req->host),
+ NULL,
+ NULL);
+
+ WideCharToMultiByte(CP_UTF8,
+ 0,
+ service,
+ -1,
+ req->service,
+ sizeof(req->service),
+ NULL,
+ NULL);
+}
+
+
+/*
+* Called from uv_run when complete.
+*/
+static void uv__getnameinfo_done(struct uv__work* w, int status) {
+ uv_getnameinfo_t* req;
+ char* host;
+ char* service;
+
+ req = container_of(w, uv_getnameinfo_t, work_req);
+ uv__req_unregister(req->loop, req);
+ host = service = NULL;
+
+ if (status == UV_ECANCELED) {
+ assert(req->retcode == 0);
+ req->retcode = UV_EAI_CANCELED;
+ } else if (req->retcode == 0) {
+ host = req->host;
+ service = req->service;
+ }
+
+ if (req->getnameinfo_cb)
+ req->getnameinfo_cb(req, req->retcode, host, service);
+}
+
+
+/*
+* Entry point for getnameinfo
+* return 0 if a callback will be made
+* return error code if validation fails
+*/
+int uv_getnameinfo(uv_loop_t* loop,
+ uv_getnameinfo_t* req,
+ uv_getnameinfo_cb getnameinfo_cb,
+ const struct sockaddr* addr,
+ int flags) {
+ if (req == NULL || addr == NULL)
+ return UV_EINVAL;
+
+ if (addr->sa_family == AF_INET) {
+ memcpy(&req->storage,
+ addr,
+ sizeof(struct sockaddr_in));
+ } else if (addr->sa_family == AF_INET6) {
+ memcpy(&req->storage,
+ addr,
+ sizeof(struct sockaddr_in6));
+ } else {
+ return UV_EINVAL;
+ }
+
+ uv_req_init(loop, (uv_req_t*)req);
+ uv__req_register(loop, req);
+
+ req->getnameinfo_cb = getnameinfo_cb;
+ req->flags = flags;
+ req->type = UV_GETNAMEINFO;
+ req->loop = loop;
+ req->retcode = 0;
+
+ if (getnameinfo_cb) {
+ uv__work_submit(loop,
+ &req->work_req,
+ uv__getnameinfo_work,
+ uv__getnameinfo_done);
+ return 0;
+ } else {
+ uv__getnameinfo_work(&req->work_req);
+ uv__getnameinfo_done(&req->work_req, 0);
+ return req->retcode;
+ }
+}