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windows, unix: getnameinfo implementation for #852
Address to name translation using getnameinfo. The implementation adds new public function uv_getnameinfo with support for IPv4 and IPv6. Two basic tests are provided in test-getnameinfo for IPv4 and IPv6.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| /* 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 <malloc.h> | ||
| #include <stdio.h> | ||
| #include <string.h> | ||
|
|
||
| #include "uv.h" | ||
| #include "internal.h" | ||
|
|
||
|
|
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| static void uv__getnameinfo_work(struct uv__work* w) { | ||
| uv_getnameinfo_t* req; | ||
| int err; | ||
|
|
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| req = container_of(w, uv_getnameinfo_t, work_req); | ||
| err = getnameinfo((struct sockaddr*)&req->storage, | ||
| sizeof(req->storage), | ||
| req->host, | ||
| sizeof(req->host), | ||
| req->service, | ||
| sizeof(req->service), | ||
| req->flags); | ||
| req->retcode = err; | ||
| } | ||
|
|
||
| static void uv__getnameinfo_done(struct uv__work* w, int status) { | ||
| uv_getnameinfo_t* req; | ||
| char* host; | ||
| char* service; | ||
|
|
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| req = container_of(w, uv_getnameinfo_t, work_req); | ||
| uv__req_unregister(req->loop, req); | ||
|
|
||
| if (req->retcode == 0) { | ||
| host = req->host; | ||
| service = req->service; | ||
| } else { | ||
| host = NULL; | ||
| service = NULL; | ||
| } | ||
|
|
||
| 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 || getnameinfo_cb == 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; | ||
| } | ||
|
|
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| uv__req_init(loop, (uv_req_t*)req, UV_GETNAMEINFO); | ||
|
|
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| req->getnameinfo_cb = getnameinfo_cb; | ||
| req->flags = flags; | ||
| req->type = UV_GETNAMEINFO; | ||
| req->loop = loop; | ||
|
|
||
| uv__work_submit(loop, | ||
| &req->work_req, | ||
| uv__getnameinfo_work, | ||
| uv__getnameinfo_done); | ||
|
|
||
| return 0; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| /* 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 <malloc.h> | ||
| #include <stdio.h> | ||
|
|
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| #include "uv.h" | ||
| #include "internal.h" | ||
| #include "req-inl.h" | ||
|
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|
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| /* getnameinfo worker thread implementation */ | ||
| static DWORD WINAPI getnameinfo_thread_proc(void* parameter) { | ||
| uv_getnameinfo_t* req = (uv_getnameinfo_t*)parameter; | ||
| uv_loop_t* loop = req->loop; | ||
| WCHAR host[NI_MAXHOST]; | ||
| WCHAR service[NI_MAXSERV]; | ||
| int ret = 0; | ||
|
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| assert(req != NULL); | ||
|
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| ret = GetNameInfoW((struct sockaddr*)&req->storage, | ||
| sizeof(req->storage), | ||
| host, | ||
| sizeof(host), | ||
| service, | ||
| sizeof(service), | ||
| req->flags); | ||
| req->retcode = ret; | ||
|
|
||
| /* convert results to UTF-8 */ | ||
| WideCharToMultiByte(CP_UTF8, | ||
| 0, | ||
| host, | ||
| -1, | ||
| req->host, | ||
| sizeof(req->host), | ||
| NULL, | ||
| NULL); | ||
|
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| WideCharToMultiByte(CP_UTF8, | ||
| 0, | ||
| service, | ||
| -1, | ||
| req->service, | ||
| sizeof(req->service), | ||
| NULL, | ||
| NULL); | ||
|
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| /* post getnameinfo completed */ | ||
| POST_COMPLETION_FOR_REQ(loop, req); | ||
|
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| return 0; | ||
| } | ||
|
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|
|
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| /* | ||
| * Called from uv_run when complete. | ||
| */ | ||
| void uv_process_getnameinfo_req(uv_loop_t* loop, uv_getnameinfo_t* req) { | ||
| char* host; | ||
| char* service; | ||
|
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| if (req->retcode == 0) { | ||
| host = req->host; | ||
| service = req->service; | ||
| } else { | ||
| host = NULL; | ||
| service = NULL; | ||
| } | ||
|
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| uv__req_unregister(loop, req); | ||
| req->getnameinfo_cb(req, req->retcode, host, service); | ||
| } | ||
|
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||
|
|
||
| /* | ||
| * 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 || getnameinfo_cb == 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; | ||
| } | ||
|
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| uv_req_init(loop, (uv_req_t*)req); | ||
|
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| req->getnameinfo_cb = getnameinfo_cb; | ||
| req->flags = flags; | ||
| req->type = UV_GETNAMEINFO; | ||
| req->loop = loop; | ||
|
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| /* Ask thread to run. Treat this as a long operation. */ | ||
| if (QueueUserWorkItem(&getnameinfo_thread_proc, | ||
| req, | ||
| WT_EXECUTELONGFUNCTION) == 0) { | ||
| return uv_translate_sys_error(GetLastError()); | ||
| } | ||
|
|
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| uv__req_register(loop, req); | ||
|
|
||
| return 0; | ||
| } |
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