Mercurial > hg > orthanc-stone

comparison Framework/Messages/IObserver.cpp @ 1048:f6be9412e42a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
cleaning up IObservable.h
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 10 Oct 2019 14:11:52 +0200
parents
children ca2058bd74ef
comparison
equal deleted inserted replaced
1047:efc5b62b9539 1048:f6be9412e42a
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #include "IObserver.h"
23
24 #include "IMessage.h"
25 #include "../StoneException.h"
26
27 #include <Core/Logging.h>
28 #include <Core/Toolbox.h>
29
30 namespace OrthancStone
31 {
32 IObserver::IObserver(MessageBroker& broker)
33 : broker_(broker)
34 , fingerprint_()
35 {
36 // we store the fingerprint_ as a char array to avoid problems when
37 // reading it in a deceased object.
38 // remember this is panic-level code to track zombie object usage
39 std::string fingerprint = Orthanc::Toolbox::GenerateUuid();
40 const char* fingerprintRaw = fingerprint.c_str();
41 memcpy(fingerprint_, fingerprintRaw, 37);
42 broker_.Register(*this);
43 }
44
45
46 IObserver::~IObserver()
47 {
48 try
49 {
50 LOG(TRACE) << "IObserver(" << std::hex << this << std::dec << ")::~IObserver : fingerprint_ == " << fingerprint_;
51 const char* deadMarker = "deadbeef-dead-dead-0000-0000deadbeef";
52 ORTHANC_ASSERT(strlen(deadMarker) == 36);
53 memcpy(fingerprint_, deadMarker, 37);
54 broker_.Unregister(*this);
55 }
56 catch (const Orthanc::OrthancException& e)
57 {
58 if (e.HasDetails())
59 {
60 LOG(ERROR) << "OrthancException in ~IObserver: " << e.What() << " Details: " << e.GetDetails();
61 }
62 else
63 {
64 LOG(ERROR) << "OrthancException in ~IObserver: " << e.What();
65 }
66 }
67 catch (const std::exception& e)
68 {
69 LOG(ERROR) << "std::exception in ~IObserver: " << e.what();
70 }
71 catch (...)
72 {
73 LOG(ERROR) << "Unknown exception in ~IObserver";
74 }
75 }
76
77
78 bool IObserver::DoesFingerprintLookGood() const
79 {
80 for (size_t i = 0; i < 36; ++i) {
81 bool ok = false;
82 if (fingerprint_[i] >= 'a' && fingerprint_[i] <= 'f')
83 ok = true;
84 if (fingerprint_[i] >= '0' && fingerprint_[i] <= '9')
85 ok = true;
86 if (fingerprint_[i] == '-')
87 ok = true;
88 if (!ok)
89 return false;
90 }
91 return fingerprint_[36] == 0;
92 }
93 }