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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32 #include "FilesystemHttpSender.h"
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33
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34 #include "../Toolbox.h"
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35
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36 #include <stdio.h>
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37
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38 namespace Orthanc
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39 {
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40 void FilesystemHttpSender::Setup()
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41 {
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42 boost::filesystem::path p(path_);
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43 SetFilename(p.filename().string());
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44 SetContentType(Toolbox::AutodetectMimeType(p.filename().string()));
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45 }
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46
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47 uint64_t FilesystemHttpSender::GetFileSize()
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48 {
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49 return Toolbox::GetFileSize(path_);
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50 }
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51
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52 bool FilesystemHttpSender::SendData(HttpOutput& output)
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53 {
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54 FILE* fp = fopen(path_.c_str(), "rb");
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55 if (!fp)
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56 {
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57 return false;
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58 }
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59
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60 std::vector<uint8_t> buffer(1024 * 1024); // Chunks of 1MB
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61
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62 for (;;)
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63 {
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64 size_t nbytes = fread(&buffer[0], 1, buffer.size(), fp);
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65 if (nbytes == 0)
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66 {
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67 break;
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68 }
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69 else
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70 {
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71 output.Send(&buffer[0], nbytes);
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72 }
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73 }
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74
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75 fclose(fp);
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76
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77 return true;
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78 }
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79
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80 FilesystemHttpSender::FilesystemHttpSender(const char* path) : path_(path)
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81 {
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82 Setup();
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83 }
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84
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85 FilesystemHttpSender::FilesystemHttpSender(const FileStorage& storage,
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86 const std::string& uuid)
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87 {
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88 path_ = storage.GetPath(uuid).string();
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89 Setup();
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90 }
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91 }
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