2 Copyright (C) 2014-2015 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <boost/algorithm/string.hpp>
22 #include <curl/curl.h>
23 #include <libcxml/cxml.h>
24 #include <dcp/raw_convert.h>
27 #include "ui_signaller.h"
28 #include "safe_stringstream.h"
32 #define BUFFER_SIZE 1024
38 using dcp::raw_convert;
39 using boost::is_any_of;
40 using boost::ends_with;
42 /** Singleton instance */
43 UpdateChecker* UpdateChecker::_instance = 0;
46 write_callback_wrapper (void* data, size_t size, size_t nmemb, void* user)
48 return reinterpret_cast<UpdateChecker*>(user)->write_callback (data, size, nmemb);
51 /** Construct an UpdateChecker. This sets things up and starts a thread to
54 UpdateChecker::UpdateChecker ()
55 : _buffer (new char[BUFFER_SIZE])
62 curl_global_init (CURL_GLOBAL_ALL);
63 _curl = curl_easy_init ();
65 curl_easy_setopt (_curl, CURLOPT_URL, "http://dcpomatic.com/update");
66 curl_easy_setopt (_curl, CURLOPT_WRITEFUNCTION, write_callback_wrapper);
67 curl_easy_setopt (_curl, CURLOPT_WRITEDATA, this);
68 curl_easy_setopt (_curl, CURLOPT_TIMEOUT, 20);
70 string const agent = "dcpomatic/" + string (dcpomatic_version);
71 curl_easy_setopt (_curl, CURLOPT_USERAGENT, agent.c_str ());
73 _thread = new boost::thread (boost::bind (&UpdateChecker::thread, this));
76 UpdateChecker::~UpdateChecker ()
78 /* We are not cleaning up our thread, but hey well */
80 curl_easy_cleanup (_curl);
81 curl_global_cleanup ();
85 /** Start running the update check */
89 boost::mutex::scoped_lock lm (_process_mutex);
91 _condition.notify_one ();
95 UpdateChecker::thread ()
98 /* Block until there is something to do */
99 boost::mutex::scoped_lock lock (_process_mutex);
100 while (_to_do == 0) {
101 _condition.wait (lock);
109 /* Perform the request */
111 int r = curl_easy_perform (_curl);
117 /* Parse the reply */
119 _buffer[_offset] = '\0';
121 cxml::Document doc ("Update");
124 /* Read the current stable and test version numbers */
130 boost::mutex::scoped_lock lm (_data_mutex);
131 stable = doc.string_child ("Stable");
132 test = doc.string_child ("Test");
135 if (version_less_than (dcpomatic_version, stable)) {
139 if (Config::instance()->check_for_test_updates() && version_less_than (dcpomatic_version, test)) {
143 if (_stable || _test) {
155 UpdateChecker::write_callback (void* data, size_t size, size_t nmemb)
157 size_t const t = min (size * nmemb, size_t (BUFFER_SIZE - _offset - 1));
158 memcpy (_buffer + _offset, data, t);
164 UpdateChecker::set_state (State s)
167 boost::mutex::scoped_lock lm (_data_mutex);
172 ui_signaller->emit (boost::bind (boost::ref (StateChanged)));
176 UpdateChecker::instance ()
179 _instance = new UpdateChecker ();
186 UpdateChecker::version_less_than (string const & a, string const & b)
189 split (ap, a, is_any_of ("."));
191 split (bp, b, is_any_of ("."));
193 DCPOMATIC_ASSERT (ap.size() == 3 && bp.size() == 3);
195 if (ap[0] != bp[0]) {
196 return raw_convert<int> (ap[0]) < raw_convert<int> (bp[0]);
199 if (ap[1] != bp[1]) {
200 return raw_convert<int> (ap[1]) < raw_convert<int> (bp[1]);
203 if (ends_with (ap[2], "devel")) {
204 am = raw_convert<int> (ap[2].substr (0, ap[2].length() - 5)) + 0.5;
206 am = raw_convert<int> (ap[2]);
210 if (ends_with (bp[2], "devel")) {
211 bm = raw_convert<int> (bp[2].substr (0, bp[2].length() - 5)) + 0.5;
213 bm = raw_convert<int> (bp[2]);