/** * @file llsrv.cpp * @brief Wrapper for DNS SRV record lookups * * $LicenseInfo:firstyear=2007&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #include "llviewerprecompiledheaders.h" #include "llsrv.h" #include "llares.h" struct Responder : public LLAres::UriRewriteResponder { std::vector<std::string> mUris; void rewriteResult(const std::vector<std::string> &uris) { for (size_t i = 0; i < uris.size(); i++) { llinfos << "[" << i << "] " << uris[i] << llendl; } mUris = uris; } }; std::vector<std::string> LLSRV::rewriteURI(const std::string& uri) { LLPointer<Responder> resp = new Responder; gAres->rewriteURI(uri, resp); gAres->processAll(); // It's been observed in deployment that c-ares can return control // to us without firing all of our callbacks, in which case the // returned vector will be empty, instead of a singleton as we // might wish. if (!resp->mUris.empty()) { return resp->mUris; } std::vector<std::string> uris; uris.push_back(uri); return uris; }