* @brief UpdateChecker class.
*/
+#include <curl/curl.h>
#include <boost/signals2.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition.hpp>
#include <boost/thread.hpp>
-#include <curl/curl.h>
+
+struct update_checker_test;
/** Class to check for the existance of an update for DCP-o-matic on a remote server */
-class UpdateChecker
+class UpdateChecker : public boost::noncopyable
{
public:
UpdateChecker ();
return _state;
}
- /** @return the version string of the latest stable version (if _state == YES or NO) */
- std::string stable () {
+ /** @return new stable version, if there is one */
+ boost::optional<std::string> stable () {
boost::mutex::scoped_lock lm (_data_mutex);
return _stable;
}
- /** @return the version string of the latest test version (if _state == YES or NO) */
- std::string test () {
+ /** @return new test version, if there is one and Config is set to look for it */
+ boost::optional<std::string> test () {
boost::mutex::scoped_lock lm (_data_mutex);
return _test;
}
static UpdateChecker* instance ();
-private:
+private:
+ friend struct update_checker_test;
+
static UpdateChecker* _instance;
+ static bool version_less_than (std::string const & a, std::string const & b);
+
void set_state (State);
void thread ();
/** mutex to protect _state, _stable, _test and _emits */
mutable boost::mutex _data_mutex;
State _state;
- std::string _stable;
- std::string _test;
+ boost::optional<std::string> _stable;
+ boost::optional<std::string> _test;
int _emits;
boost::thread* _thread;