private static IEnumerable <bool> CheckUpdateVersion()
{
//Exit if the update check is not enabled
if (!GetUpdaterEnabled())
{
Log.Trace("Updater not enabled");
yield return(false);
}
//Fill the cache if it's empty
if (_cachedNextCheckTime == null)
{
Log.Trace("Caching next update time");
_cachedNextCheckTime = GetUpdateState().NextCheck;
}
//Exit if the next update check isn't due yet
if (_cachedNextCheckTime.Value >= DateTime.UtcNow)
{
Log.Trace("Updater not yet time to check");
yield return(false);
}
//Take a single frame break before starting the update check process
yield return(true);
var state = GetUpdateState();
Log.Trace("Beginning version check. Current state:'{0}' Current version:'{1}'", state, DissonanceComms.Version);
//setup some helpers for later
//On failure, check again after a short time
//On success, check again after a long time
var random = new System.Random();
Action failed = () => SetUpdateState(new UpdateState(state.ShownForVersion, DateTime.UtcNow + TimeSpan.FromMinutes(random.Next(10, 70))));
Action <SemanticVersion> success = v => SetUpdateState(new UpdateState(v, DateTime.UtcNow + TimeSpan.FromHours((random.Next(24, 144)))));
//Begin downloading the manifest of all Dissonance updates
using (var request = UnityWebRequest.Get(string.Format("https://placeholder-software.co.uk/dissonance/releases/latest-published.html{0}", EditorMetadata.GetQueryString("update_checker"))))
{
//Wait until request is complete
var wait = request.SendWebRequest();
while (!wait.isDone)
{
yield return(true);
}
//If it's an error give up and schedule the next check fairly soon
if (request.isNetworkError)
{
request.Dispose();
failed();
Log.Trace("Update request failed");
yield return(false);
}
//Get the response bytes and discard the request
var bytes = request.downloadHandler.data;
request.Dispose();
//Parse the response data. If we fail give up and schedule the next check fairly soon
SemanticVersion latest;
if (!TryParse(bytes, out latest) || latest == null)
{
failed();
Log.Trace("Update response parsing failed");
yield return(false);
}
else
{
Log.Trace("Received updater response, remote latest version is: '{0}'", latest);
//Check if we've already shown the window for a greater version
if (latest.CompareTo(state.ShownForVersion) <= 0)
{
success(state.ShownForVersion);
Log.Trace("Update success, window already shown for higher version '{0}'", state.ShownForVersion);
yield return(false);
}
//Check if the new version is greater than the currently installed version
if (latest.CompareTo(DissonanceComms.Version) <= 0)
{
success(state.ShownForVersion);
Log.Trace("Update success, newer version '{0}' already installed", DissonanceComms.Version);
yield return(false);
}
//Update the state so that the window does not show up again for this version
success(latest);
UpdateWindow.Show(latest, DissonanceComms.Version);
Log.Trace("Update success, showing update notification window for version '{0}'", latest);
}
}
}
private static IEnumerable <bool> CheckUpdateVersion()
{
//Exit if the update check is not enabled
if (!GetUpdaterEnabled())
{
yield return(false);
}
//Exit if the next update isn't due yet
var state = GetUpdateState();
if (state.NextCheck >= DateTime.UtcNow)
{
yield return(false);
}
//setup some helpers for later
var random = new System.Random();
Action failed = () => SetUpdateState(new UpdateState(state.ShownForVersion, DateTime.UtcNow + TimeSpan.FromMinutes(random.Next(10, 70))));
Action success = () => SetUpdateState(new UpdateState(state.ShownForVersion, DateTime.UtcNow + TimeSpan.FromHours((random.Next(12, 72)))));
//Begin downloading the manifest of all Dissonance updates
var request = UnityWebRequest.Get(string.Format("https://placeholder-software.co.uk/dissonance/releases/latest-published.html{0}", EditorMetadata.GetQueryString()));
request.Send();
//Wait until request is complete
while (!request.isDone && !request.isError)
{
yield return(true);
}
//If it's an error give up and schedule the next check fairly soon
if (request.isError)
{
request.Dispose();
failed();
yield return(false);
}
//Get the response bytes and discard the request
var bytes = request.downloadHandler.data;
request.Dispose();
//Parse the response data. If we fail give up and schedule the next check fairly soon
SemanticVersion latest;
if (!TryParse(bytes, out latest) || latest == null)
{
failed();
yield return(false);
}
else
{
//Check if we've already shown the window for a greater version
if (latest.CompareTo(state.ShownForVersion) <= 0)
{
success();
yield return(false);
}
//Check if the new version is greater than the currently installed version
if (latest.CompareTo(DissonanceComms.Version) <= 0)
{
success();
yield return(false);
}
//Update the state so that the window does not show up again for this version
SetUpdateState(new UpdateState(latest, DateTime.UtcNow + TimeSpan.FromHours((random.Next(12, 72)))));
UpdateWindow.Show(latest, DissonanceComms.Version);
success();
}
}