+++ /dev/null
-/*
- Copyright (C) 2014-2015 Carl Hetherington <cth@carlh.net>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#include "update.h"
-#include "version.h"
-#include "safe_stringstream.h"
-#include "config.h"
-#include "util.h"
-#include "raw_convert.h"
-#include <libcxml/cxml.h>
-#include <curl/curl.h>
-#include <boost/algorithm/string.hpp>
-#include <string>
-
-#define BUFFER_SIZE 1024
-
-using std::cout;
-using std::min;
-using std::string;
-using std::vector;
-using boost::is_any_of;
-using boost::ends_with;
-
-/** Singleton instance */
-UpdateChecker* UpdateChecker::_instance = 0;
-
-static size_t
-write_callback_wrapper (void* data, size_t size, size_t nmemb, void* user)
-{
- return reinterpret_cast<UpdateChecker*>(user)->write_callback (data, size, nmemb);
-}
-
-/** Construct an UpdateChecker. This sets things up and starts a thread to
- * do the work.
- */
-UpdateChecker::UpdateChecker ()
- : _buffer (new char[BUFFER_SIZE])
- , _offset (0)
- , _curl (0)
- , _state (NOT_RUN)
- , _emits (0)
- , _to_do (0)
-{
- _curl = curl_easy_init ();
-
- curl_easy_setopt (_curl, CURLOPT_URL, "http://dcpomatic.com/update");
- curl_easy_setopt (_curl, CURLOPT_WRITEFUNCTION, write_callback_wrapper);
- curl_easy_setopt (_curl, CURLOPT_WRITEDATA, this);
- curl_easy_setopt (_curl, CURLOPT_TIMEOUT, 20);
-
- string const agent = "dcpomatic/" + string (dcpomatic_version);
- curl_easy_setopt (_curl, CURLOPT_USERAGENT, agent.c_str ());
-
- _thread = new boost::thread (boost::bind (&UpdateChecker::thread, this));
-}
-
-UpdateChecker::~UpdateChecker ()
-{
- /* We are not cleaning up our thread, but hey well */
-
- curl_easy_cleanup (_curl);
- delete[] _buffer;
-}
-
-/** Start running the update check */
-void
-UpdateChecker::run ()
-{
- boost::mutex::scoped_lock lm (_process_mutex);
- _to_do++;
- _condition.notify_one ();
-}
-
-void
-UpdateChecker::thread ()
-{
- while (true) {
- /* Block until there is something to do */
- boost::mutex::scoped_lock lock (_process_mutex);
- while (_to_do == 0) {
- _condition.wait (lock);
- }
- --_to_do;
- lock.unlock ();
-
- try {
- _offset = 0;
-
- /* Perform the request */
-
- int r = curl_easy_perform (_curl);
- if (r != CURLE_OK) {
- set_state (FAILED);
- return;
- }
-
- /* Parse the reply */
-
- _buffer[_offset] = '\0';
- string s (_buffer);
- cxml::Document doc ("Update");
- doc.read_string (s);
-
- /* Read the current stable and test version numbers */
-
- string stable;
- string test;
-
- {
- boost::mutex::scoped_lock lm (_data_mutex);
- stable = doc.string_child ("Stable");
- test = doc.string_child ("Test");
- }
-
- if (version_less_than (dcpomatic_version, stable)) {
- _stable = stable;
- }
-
- if (Config::instance()->check_for_test_updates() && version_less_than (dcpomatic_version, test)) {
- _test = test;
- }
-
- if (_stable || _test) {
- set_state (YES);
- } else {
- set_state (NO);
- }
- } catch (...) {
- set_state (FAILED);
- }
- }
-}
-
-size_t
-UpdateChecker::write_callback (void* data, size_t size, size_t nmemb)
-{
- size_t const t = min (size * nmemb, size_t (BUFFER_SIZE - _offset - 1));
- memcpy (_buffer + _offset, data, t);
- _offset += t;
- return t;
-}
-
-void
-UpdateChecker::set_state (State s)
-{
- {
- boost::mutex::scoped_lock lm (_data_mutex);
- _state = s;
- _emits++;
- }
-
- emit (boost::bind (boost::ref (StateChanged)));
-}
-
-UpdateChecker *
-UpdateChecker::instance ()
-{
- if (!_instance) {
- _instance = new UpdateChecker ();
- }
-
- return _instance;
-}
-
-bool
-UpdateChecker::version_less_than (string const & a, string const & b)
-{
- vector<string> ap;
- split (ap, a, is_any_of ("."));
- vector<string> bp;
- split (bp, b, is_any_of ("."));
-
- DCPOMATIC_ASSERT (ap.size() == 3 && bp.size() == 3);
-
- if (ap[0] != bp[0]) {
- return raw_convert<int> (ap[0]) < raw_convert<int> (bp[0]);
- }
-
- if (ap[1] != bp[1]) {
- return raw_convert<int> (ap[1]) < raw_convert<int> (bp[1]);
- }
- float am;
- if (ends_with (ap[2], "devel")) {
- am = raw_convert<int> (ap[2].substr (0, ap[2].length() - 5)) + 0.5;
- } else {
- am = raw_convert<int> (ap[2]);
- }
-
- float bm;
- if (ends_with (bp[2], "devel")) {
- bm = raw_convert<int> (bp[2].substr (0, bp[2].length() - 5)) + 0.5;
- } else {
- bm = raw_convert<int> (bp[2]);
- }
-
- return am < bm;
-}
projects / dcpomatic.git / blobdiff