Mercurial > hg > orthanc-transfers
annotate Framework/TransferBucket.cpp @ 33:44a0430d7899
upgrade to year 2021
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 06 Jan 2021 18:07:47 +0100 |
| parents | 17f775299b4a |
| children | 1e396fb509ca |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Transfers accelerator plugin for Orthanc | |
|
33
44a0430d7899
upgrade to year 2021
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
20
diff
changeset
|
3 * Copyright (C) 2018-2021 Osimis S.A., Belgium |
| 0 | 4 * |
| 5 * This program is free software: you can redistribute it and/or | |
| 6 * modify it under the terms of the GNU Affero General Public License | |
| 7 * as published by the Free Software Foundation, either version 3 of | |
| 8 * the License, or (at your option) any later version. | |
| 9 * | |
| 10 * This program is distributed in the hope that it will be useful, but | |
| 11 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 * Affero General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU Affero General Public License | |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 **/ | |
| 18 | |
| 19 | |
| 20 #include "TransferBucket.h" | |
| 21 | |
| 20 | 22 #include <Logging.h> |
| 23 #include <OrthancException.h> | |
| 0 | 24 |
| 25 | |
| 26 namespace OrthancPlugins | |
| 27 { | |
| 28 TransferBucket::TransferBucket() : | |
| 29 totalSize_(0), | |
| 30 extensible_(true) | |
| 31 { | |
| 32 } | |
| 33 | |
| 34 | |
| 35 TransferBucket::TransferBucket(const Json::Value& serialized) : | |
| 36 totalSize_(0), | |
| 37 extensible_(false) | |
| 38 { | |
| 39 if (serialized.type() != Json::arrayValue) | |
| 40 { | |
| 41 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 42 } | |
| 43 | |
| 44 chunks_.reserve(serialized.size()); | |
| 45 | |
| 46 for (Json::Value::ArrayIndex i = 0; i < serialized.size(); i++) | |
| 47 { | |
| 48 if (serialized[i].type() != Json::objectValue || | |
| 49 !serialized[i].isMember(KEY_ID) || | |
| 50 !serialized[i].isMember(KEY_OFFSET) || | |
| 51 !serialized[i].isMember(KEY_SIZE) || | |
| 52 serialized[i][KEY_ID].type() != Json::stringValue || | |
| 53 serialized[i][KEY_OFFSET].type() != Json::stringValue || | |
| 54 serialized[i][KEY_SIZE].type() != Json::stringValue) | |
| 55 { | |
| 56 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 57 } | |
| 58 else | |
| 59 { | |
| 60 try | |
| 61 { | |
| 62 Chunk chunk; | |
| 63 chunk.instanceId_ = serialized[i][KEY_ID].asString(); | |
| 64 chunk.offset_ = boost::lexical_cast<size_t>(serialized[i][KEY_OFFSET].asString()); | |
| 65 chunk.size_ = boost::lexical_cast<size_t>(serialized[i][KEY_SIZE].asString()); | |
| 66 | |
| 67 chunks_.push_back(chunk); | |
| 68 totalSize_ += chunk.size_; | |
| 69 } | |
| 70 catch (boost::bad_lexical_cast&) | |
| 71 { | |
| 72 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 73 } | |
| 74 } | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 | |
| 79 void TransferBucket::Serialize(Json::Value& target) const | |
| 80 { | |
| 81 target = Json::arrayValue; | |
| 82 | |
| 83 for (size_t i = 0; i < chunks_.size(); i++) | |
| 84 { | |
| 85 Json::Value item = Json::objectValue; | |
| 86 item[KEY_ID] = chunks_[i].instanceId_; | |
| 87 item[KEY_OFFSET] = boost::lexical_cast<std::string>(chunks_[i].offset_); | |
| 88 item[KEY_SIZE] = boost::lexical_cast<std::string>(chunks_[i].size_); | |
| 89 target.append(item); | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 void TransferBucket::Clear() | |
| 94 { | |
| 95 chunks_.clear(); | |
| 96 totalSize_ = 0; | |
| 97 extensible_ = true; | |
| 98 } | |
| 99 | |
| 100 | |
| 101 void TransferBucket::AddChunk(const DicomInstanceInfo& instance, | |
| 102 size_t chunkOffset, | |
| 103 size_t chunkSize) | |
| 104 { | |
| 105 if (chunkOffset + chunkSize > instance.GetSize()) | |
| 106 { | |
| 107 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 108 } | |
| 109 | |
| 110 if (!extensible_) | |
| 111 { | |
| 112 LOG(ERROR) << "Cannot add a new chunk after a truncated instance"; | |
| 113 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 114 } | |
| 115 | |
| 116 if (!chunks_.empty() && | |
| 117 chunkOffset != 0) | |
| 118 { | |
| 119 LOG(ERROR) << "Only the first chunk can have non-zero offset in a transfer bucket"; | |
| 120 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 121 } | |
| 122 | |
| 123 if (chunkSize == 0) | |
| 124 { | |
| 125 // Ignore empty chunks | |
| 126 return; | |
| 127 } | |
| 128 | |
| 129 if (!chunks_.empty() && | |
| 130 chunkSize != instance.GetSize()) | |
| 131 { | |
| 132 // Prevents adding new chunk after an incomplete instance | |
| 133 extensible_ = false; | |
| 134 } | |
| 135 | |
| 136 Chunk chunk; | |
| 137 chunk.instanceId_ = instance.GetId(); | |
| 138 chunk.offset_ = chunkOffset; | |
| 139 chunk.size_ = chunkSize; | |
| 140 | |
| 141 chunks_.push_back(chunk); | |
| 142 totalSize_ += chunkSize; | |
| 143 } | |
| 144 | |
| 145 | |
| 146 const std::string& TransferBucket::GetChunkInstanceId(size_t index) const | |
| 147 { | |
| 148 if (index >= chunks_.size()) | |
| 149 { | |
| 150 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 151 } | |
| 152 else | |
| 153 { | |
| 154 return chunks_[index].instanceId_; | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 | |
| 159 size_t TransferBucket::GetChunkOffset(size_t index) const | |
| 160 { | |
| 161 if (index >= chunks_.size()) | |
| 162 { | |
| 163 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 164 } | |
| 165 else | |
| 166 { | |
| 167 return chunks_[index].offset_; | |
| 168 } | |
| 169 } | |
| 170 | |
| 171 | |
| 172 size_t TransferBucket::GetChunkSize(size_t index) const | |
| 173 { | |
| 174 if (index >= chunks_.size()) | |
| 175 { | |
| 176 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 177 } | |
| 178 else | |
| 179 { | |
| 180 return chunks_[index].size_; | |
| 181 } | |
| 182 } | |
| 183 | |
| 184 | |
| 185 void TransferBucket::ComputePullUri(std::string& uri, | |
| 186 BucketCompression compression) const | |
| 187 { | |
| 188 if (chunks_.empty()) | |
| 189 { | |
| 190 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 191 } | |
| 192 | |
| 193 bool first = true; | |
| 194 uri = std::string(URI_CHUNKS) + "/"; | |
| 195 | |
| 196 for (size_t i = 0; i < chunks_.size(); i++) | |
| 197 { | |
| 198 if (first) | |
| 199 { | |
| 200 first = false; | |
| 201 } | |
| 202 else | |
| 203 { | |
| 204 uri += "."; | |
| 205 } | |
| 206 | |
| 207 uri += chunks_[i].instanceId_; | |
| 208 | |
| 209 assert(i == 0 || chunks_[i].offset_ == 0); | |
| 210 } | |
| 211 | |
| 212 uri += ("?offset=" + boost::lexical_cast<std::string>(chunks_[0].offset_) + | |
| 213 "&size=" + boost::lexical_cast<std::string>(totalSize_)); | |
| 214 | |
| 215 switch (compression) | |
| 216 { | |
| 217 case BucketCompression_None: | |
| 218 uri += "&compression=none"; | |
| 219 break; | |
| 220 | |
| 221 case BucketCompression_Gzip: | |
| 222 uri += "&compression=gzip"; | |
| 223 break; | |
| 224 | |
| 225 default: | |
| 226 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 227 } | |
| 228 } | |
| 229 } |