diff options
Diffstat (limited to 'indra/viewer_components/updater/llupdatechecker.cpp')
| -rw-r--r-- | indra/viewer_components/updater/llupdatechecker.cpp | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/indra/viewer_components/updater/llupdatechecker.cpp b/indra/viewer_components/updater/llupdatechecker.cpp new file mode 100644 index 0000000000..c6aa9b0f11 --- /dev/null +++ b/indra/viewer_components/updater/llupdatechecker.cpp @@ -0,0 +1,194 @@ +/** + * @file llupdaterservice.cpp + * + * $LicenseInfo:firstyear=2010&license=viewerlgpl$ + * 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 "linden_common.h" +#include <stdexcept> +#include <boost/format.hpp> +#include "llhttpclient.h" +#include "llsd.h" +#include "llupdatechecker.h" +#include "lluri.h" + + +#if LL_WINDOWS +#pragma warning (disable : 4355) // 'this' used in initializer list: yes, intentionally +#endif + + +class LLUpdateChecker::CheckError: + public std::runtime_error +{ +public: + CheckError(const char * message): + std::runtime_error(message) + { + ; // No op. + } +}; + + +class LLUpdateChecker::Implementation: + public LLHTTPClient::Responder +{ +public: + Implementation(Client & client); + ~Implementation(); + void check(std::string const & protocolVersion, std::string const & hostUrl, + std::string const & servicePath, std::string channel, std::string version); + + // Responder: + virtual void completed(U32 status, + const std::string & reason, + const LLSD& content); + virtual void error(U32 status, const std::string & reason); + +private: + static const char * sProtocolVersion; + + Client & mClient; + LLHTTPClient mHttpClient; + bool mInProgress; + std::string mVersion; + + std::string buildUrl(std::string const & protocolVersion, std::string const & hostUrl, + std::string const & servicePath, std::string channel, std::string version); + + LOG_CLASS(LLUpdateChecker::Implementation); +}; + + + +// LLUpdateChecker +//----------------------------------------------------------------------------- + + +LLUpdateChecker::LLUpdateChecker(LLUpdateChecker::Client & client): + mImplementation(new LLUpdateChecker::Implementation(client)) +{ + ; // No op. +} + + +void LLUpdateChecker::check(std::string const & protocolVersion, std::string const & hostUrl, + std::string const & servicePath, std::string channel, std::string version) +{ + mImplementation->check(protocolVersion, hostUrl, servicePath, channel, version); +} + + + +// LLUpdateChecker::Implementation +//----------------------------------------------------------------------------- + + +const char * LLUpdateChecker::Implementation::sProtocolVersion = "v1.0"; + + +LLUpdateChecker::Implementation::Implementation(LLUpdateChecker::Client & client): + mClient(client), + mInProgress(false) +{ + ; // No op. +} + + +LLUpdateChecker::Implementation::~Implementation() +{ + ; // No op. +} + + +void LLUpdateChecker::Implementation::check(std::string const & protocolVersion, std::string const & hostUrl, + std::string const & servicePath, std::string channel, std::string version) +{ + llassert(!mInProgress); + + if(protocolVersion != sProtocolVersion) throw CheckError("unsupported protocol"); + + mInProgress = true; + mVersion = version; + std::string checkUrl = buildUrl(protocolVersion, hostUrl, servicePath, channel, version); + LL_INFOS("UpdateCheck") << "checking for updates at " << checkUrl << llendl; + + // The HTTP client will wrap a raw pointer in a boost::intrusive_ptr causing the + // passed object to be silently and automatically deleted. We pass a self- + // referential intrusive pointer to which we add a reference to keep the + // client from deleting the update checker implementation instance. + LLHTTPClient::ResponderPtr temporaryPtr(this); + boost::intrusive_ptr_add_ref(temporaryPtr.get()); + mHttpClient.get(checkUrl, temporaryPtr); +} + +void LLUpdateChecker::Implementation::completed(U32 status, + const std::string & reason, + const LLSD & content) +{ + mInProgress = false; + + if(status != 200) { + LL_WARNS("UpdateCheck") << "html error " << status << " (" << reason << ")" << llendl; + mClient.error(reason); + } else if(!content.asBoolean()) { + LL_INFOS("UpdateCheck") << "up to date" << llendl; + mClient.upToDate(); + } else if(content["required"].asBoolean()) { + LL_INFOS("UpdateCheck") << "version invalid" << llendl; + LLURI uri(content["url"].asString()); + mClient.requiredUpdate(content["version"].asString(), uri, content["hash"].asString()); + } else { + LL_INFOS("UpdateCheck") << "newer version " << content["version"].asString() << " available" << llendl; + LLURI uri(content["url"].asString()); + mClient.optionalUpdate(content["version"].asString(), uri, content["hash"].asString()); + } +} + + +void LLUpdateChecker::Implementation::error(U32 status, const std::string & reason) +{ + mInProgress = false; + LL_WARNS("UpdateCheck") << "update check failed; " << reason << llendl; + mClient.error(reason); +} + + +std::string LLUpdateChecker::Implementation::buildUrl(std::string const & protocolVersion, std::string const & hostUrl, + std::string const & servicePath, std::string channel, std::string version) +{ +#ifdef LL_WINDOWS + static const char * platform = "win"; +#elif LL_DARWIN + static const char * platform = "mac"; +#else + static const char * platform = "lnx"; +#endif + + LLSD path; + path.append(servicePath); + path.append(protocolVersion); + path.append(channel); + path.append(version); + path.append(platform); + return LLURI::buildHTTP(hostUrl, path).asString(); +} |