Kinetic C/C++ Client
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incoming_string_value.cc
1 /*
2  * kinetic-cpp-client
3  * Copyright (C) 2014 Seagate Technology.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  *
19  */
20 
21 #include "kinetic/incoming_value.h"
22 
23 #include <fcntl.h>
24 #include <unistd.h>
25 
26 #include <algorithm>
27 
28 #include "glog/logging.h"
29 
30 #include "kinetic/reader_writer.h"
31 
32 namespace kinetic {
33 
34 IncomingStringValue::IncomingStringValue(const std::string &s)
35  : s_(s), defunct_(false) {}
36 
37 size_t IncomingStringValue::size() {
38  return s_.size();
39 }
40 
41 bool IncomingStringValue::TransferToFile(int fd) {
42  if (defunct_) {
43  return false;
44  }
45  defunct_ = true;
46 
47  ReaderWriter reader_writer(fd);
48  return reader_writer.Write(s_.data(), s_.size());
49 }
50 
51 bool IncomingStringValue::ToString(std::string *result) {
52  if (defunct_) {
53  return false;
54  }
55  defunct_ = true;
56 
57  *result = s_;
58  return true;
59 }
60 
61 void IncomingStringValue::Consume() {
62  defunct_ = true;
63 }
64 
65 } // namespace kinetic