Mercurial > hg > orthanc-stone
diff Framework/Messages/IObserver.cpp @ 1048:f6be9412e42a
cleaning up IObservable.h
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 10 Oct 2019 14:11:52 +0200 |
parents | |
children | ca2058bd74ef |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Messages/IObserver.cpp Thu Oct 10 14:11:52 2019 +0200 @@ -0,0 +1,93 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2019 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Affero General Public License + * as published by the Free Software Foundation, either version 3 of + * the License, or (at your option) any later version. + * + * This program 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 + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "IObserver.h" + +#include "IMessage.h" +#include "../StoneException.h" + +#include <Core/Logging.h> +#include <Core/Toolbox.h> + +namespace OrthancStone +{ + IObserver::IObserver(MessageBroker& broker) + : broker_(broker) + , fingerprint_() + { + // we store the fingerprint_ as a char array to avoid problems when + // reading it in a deceased object. + // remember this is panic-level code to track zombie object usage + std::string fingerprint = Orthanc::Toolbox::GenerateUuid(); + const char* fingerprintRaw = fingerprint.c_str(); + memcpy(fingerprint_, fingerprintRaw, 37); + broker_.Register(*this); + } + + + IObserver::~IObserver() + { + try + { + LOG(TRACE) << "IObserver(" << std::hex << this << std::dec << ")::~IObserver : fingerprint_ == " << fingerprint_; + const char* deadMarker = "deadbeef-dead-dead-0000-0000deadbeef"; + ORTHANC_ASSERT(strlen(deadMarker) == 36); + memcpy(fingerprint_, deadMarker, 37); + broker_.Unregister(*this); + } + catch (const Orthanc::OrthancException& e) + { + if (e.HasDetails()) + { + LOG(ERROR) << "OrthancException in ~IObserver: " << e.What() << " Details: " << e.GetDetails(); + } + else + { + LOG(ERROR) << "OrthancException in ~IObserver: " << e.What(); + } + } + catch (const std::exception& e) + { + LOG(ERROR) << "std::exception in ~IObserver: " << e.what(); + } + catch (...) + { + LOG(ERROR) << "Unknown exception in ~IObserver"; + } + } + + + bool IObserver::DoesFingerprintLookGood() const + { + for (size_t i = 0; i < 36; ++i) { + bool ok = false; + if (fingerprint_[i] >= 'a' && fingerprint_[i] <= 'f') + ok = true; + if (fingerprint_[i] >= '0' && fingerprint_[i] <= '9') + ok = true; + if (fingerprint_[i] == '-') + ok = true; + if (!ok) + return false; + } + return fingerprint_[36] == 0; + } +}