Mercurial > hg > orthanc
annotate OrthancFramework/Sources/SQLite/StatementReference.cpp @ 4870:43e613a7756b
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 11 Jan 2022 11:15:42 +0100 |
| parents | 7053502fbf97 |
| children | 0ea402b4d901 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * |
| 3063 | 4 * Copyright (C) 2012-2016 Sebastien Jodogne <s.jodogne@orthanc-labs.com>, |
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5 * Medical Physics Department, CHU of Liege, Belgium |
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6 * Copyright (C) 2017-2022 Osimis S.A., Belgium |
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7 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 0 | 8 * |
| 17 | 9 * Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 10 * | |
| 11 * Redistribution and use in source and binary forms, with or without | |
| 12 * modification, are permitted provided that the following conditions are | |
| 13 * met: | |
| 0 | 14 * |
| 17 | 15 * * Redistributions of source code must retain the above copyright |
| 16 * notice, this list of conditions and the following disclaimer. | |
| 17 * * Redistributions in binary form must reproduce the above | |
| 18 * copyright notice, this list of conditions and the following disclaimer | |
| 19 * in the documentation and/or other materials provided with the | |
| 20 * distribution. | |
| 21 * * Neither the name of Google Inc., the name of the CHU of Liege, | |
| 22 * nor the names of its contributors may be used to endorse or promote | |
| 23 * products derived from this software without specific prior written | |
| 24 * permission. | |
| 25 * | |
| 26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 27 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 28 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 29 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 30 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 31 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 32 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 33 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 34 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 35 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 36 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 0 | 37 **/ |
| 38 | |
| 39 | |
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40 #if ORTHANC_SQLITE_STANDALONE != 1 |
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41 #include "../PrecompiledHeaders.h" |
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42 #endif |
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43 |
| 0 | 44 #include "StatementReference.h" |
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45 #include "OrthancSQLiteException.h" |
| 0 | 46 |
| 1226 | 47 #if ORTHANC_SQLITE_STANDALONE != 1 |
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48 #include "../Logging.h" |
| 1226 | 49 #endif |
| 50 | |
| 1398 | 51 #include <string> |
| 0 | 52 #include <cassert> |
| 53 #include "sqlite3.h" | |
| 54 | |
| 59 | 55 namespace Orthanc |
| 0 | 56 { |
| 57 namespace SQLite | |
| 58 { | |
| 59 bool StatementReference::IsRoot() const | |
| 60 { | |
| 61 return root_ == NULL; | |
| 62 } | |
| 63 | |
| 64 StatementReference::StatementReference() | |
| 65 { | |
| 66 root_ = NULL; | |
| 67 refCount_ = 0; | |
| 68 statement_ = NULL; | |
| 69 assert(IsRoot()); | |
| 70 } | |
| 71 | |
| 72 StatementReference::StatementReference(sqlite3* database, | |
| 73 const char* sql) | |
| 74 { | |
| 75 if (database == NULL || sql == NULL) | |
| 76 { | |
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77 throw OrthancSQLiteException(ErrorCode_ParameterOutOfRange); |
| 0 | 78 } |
| 79 | |
| 80 root_ = NULL; | |
| 81 refCount_ = 0; | |
| 82 | |
| 83 int error = sqlite3_prepare_v2(database, sql, -1, &statement_, NULL); | |
| 84 if (error != SQLITE_OK) | |
| 85 { | |
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86 #if ORTHANC_SQLITE_STANDALONE != 1 |
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87 int extended = sqlite3_extended_errcode(database); |
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88 LOG(ERROR) << "SQLite: " << sqlite3_errmsg(database) << " (" << extended << ")"; |
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89 if (extended == SQLITE_IOERR_SHMSIZE /* 4874 */) |
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90 { |
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91 LOG(ERROR) << " This probably indicates that your filesystem is full"; |
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92 } |
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93 #endif |
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94 |
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95 throw OrthancSQLiteException(ErrorCode_SQLitePrepareStatement); |
| 0 | 96 } |
| 97 | |
| 98 assert(IsRoot()); | |
| 99 } | |
| 100 | |
| 101 StatementReference::StatementReference(StatementReference& other) | |
| 102 { | |
| 103 refCount_ = 0; | |
| 104 | |
| 105 if (other.IsRoot()) | |
| 106 { | |
| 107 root_ = &other; | |
| 108 } | |
| 109 else | |
| 110 { | |
| 111 root_ = other.root_; | |
| 112 } | |
| 113 | |
| 114 root_->refCount_++; | |
| 115 statement_ = root_->statement_; | |
| 116 | |
| 117 assert(!IsRoot()); | |
| 118 } | |
| 119 | |
| 120 StatementReference::~StatementReference() | |
| 121 { | |
| 122 if (IsRoot()) | |
| 123 { | |
| 124 if (refCount_ != 0) | |
| 125 { | |
| 656 | 126 // There remain references to this object. We cannot throw |
| 127 // an exception because: | |
| 128 // http://www.parashift.com/c++-faq/dtors-shouldnt-throw.html | |
| 129 | |
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130 #if ORTHANC_SQLITE_STANDALONE != 1 |
| 656 | 131 LOG(ERROR) << "Bad value of the reference counter"; |
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132 #endif |
| 0 | 133 } |
| 134 else if (statement_ != NULL) | |
| 135 { | |
| 136 sqlite3_finalize(statement_); | |
| 137 } | |
| 138 } | |
| 139 else | |
| 140 { | |
| 141 if (root_->refCount_ == 0) | |
| 142 { | |
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143 // There remain references to this object. We cannot throw |
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144 // an exception because: |
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145 // http://www.parashift.com/c++-faq/dtors-shouldnt-throw.html |
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146 |
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147 #if ORTHANC_SQLITE_STANDALONE != 1 |
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148 LOG(ERROR) << "Bad value of the reference counter"; |
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149 #endif |
| 0 | 150 } |
| 151 else | |
| 152 { | |
| 153 root_->refCount_--; | |
| 154 } | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 uint32_t StatementReference::GetReferenceCount() const | |
| 159 { | |
| 160 return refCount_; | |
| 161 } | |
| 4304 | 162 |
| 163 sqlite3_stmt *StatementReference::GetWrappedObject() const | |
| 164 { | |
| 165 assert(statement_ != NULL); | |
| 166 return statement_; | |
| 167 } | |
| 0 | 168 } |
| 169 } |