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comparison Core/HttpServer/FilesystemHttpSender.cpp @ 208:de640de989b8

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HttpFileSender
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 28 Nov 2012 17:00:46 +0100
parents
children 1ac3aacd10a5
comparison
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207:7f74209ea0f8 208:de640de989b8
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
4 * Belgium
5 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * In addition, as a special exception, the copyright holders of this
12 * program give permission to link the code of its release with the
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
14 * that use the same license as the "OpenSSL" library), and distribute
15 * the linked executables. You must obey the GNU General Public License
16 * in all respects for all of the code used other than "OpenSSL". If you
17 * modify file(s) with this exception, you may extend this exception to
18 * your version of the file(s), but you are not obligated to do so. If
19 * you do not wish to do so, delete this exception statement from your
20 * version. If you delete this exception statement from all source files
21 * in the program, then also delete it here.
22 *
23 * This program is distributed in the hope that it will be useful, but
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 **/
31
32 #include "FilesystemHttpSender.h"
33
34 #include "../Toolbox.h"
35
36 #include <stdio.h>
37
38 namespace Orthanc
39 {
40 void FilesystemHttpSender::Setup()
41 {
42 boost::filesystem::path p(path_);
43 SetFilename(p.filename().string());
44 SetContentType(Toolbox::AutodetectMimeType(p.filename().string()));
45 }
46
47 uint64_t FilesystemHttpSender::GetFileSize()
48 {
49 return Toolbox::GetFileSize(path_);
50 }
51
52 bool FilesystemHttpSender::SendData(HttpOutput& output)
53 {
54 FILE* fp = fopen(path_.c_str(), "rb");
55 if (!fp)
56 {
57 return false;
58 }
59
60 std::vector<uint8_t> buffer(1024 * 1024); // Chunks of 1MB
61
62 for (;;)
63 {
64 size_t nbytes = fread(&buffer[0], 1, buffer.size(), fp);
65 if (nbytes == 0)
66 {
67 break;
68 }
69 else
70 {
71 output.Send(&buffer[0], nbytes);
72 }
73 }
74
75 fclose(fp);
76
77 return true;
78 }
79
80 FilesystemHttpSender::FilesystemHttpSender(const char* path) : path_(path)
81 {
82 Setup();
83 }
84
85 FilesystemHttpSender::FilesystemHttpSender(const FileStorage& storage,
86 const std::string& uuid)
87 {
88 path_ = storage.GetPath(uuid).string();
89 Setup();
90 }
91 }