public Server(ServerConfiguration config)
{
_sendBigDataDelay = config.SendBigDataDelay;
_users = new UserMapCollection();
_queue = new ConcurrentQueue<IPEndPoint>();
_udpClient = new UdpClient(CreateBuilder(_queue), CreateServerState());
_sender = new BigDataSender(_udpClient, _users, _queue);
_udpClient.Bind(IPAddress.Any, config.Port);
}
static private void ExportCommentsMeta(Journal.OptionsRow or, ILJServer iLJ, SessionGenerateResponse sgr,
ref int serverMaxID, int localMaxID, UserMapCollection umc, CommentCollection cc)
{
// this is a an unfortunately necessary step
// we call export comments meta is to get the user map and to check if comment state has changed
// it would be better to be able to provide a lastsync, but alas
// see http://www.livejournal.com/developer/exporting.bml for more info
int maxID = -1;
while (maxID < serverMaxID)
{
Uri uri = new Uri(new Uri(or.ServerURL), string.Format(_exportcommentsmetapath, maxID + 1));
if (!or.IsUseJournalNull())
{
uri = new Uri(uri.AbsoluteUri + string.Format("&authas={0}", or.UseJournal));
}
HttpWebRequest w = HttpWebRequestFactory.Create(uri.AbsoluteUri, sgr.ljsession);
using (Stream s = w.GetResponse().GetResponseStream())
{
XmlTextReader xtr = new XmlTextReader(s);
while (xtr.Read())
{
if (xtr.NodeType == XmlNodeType.Element && xtr.Name == "usermap")
{
string id = xtr.GetAttribute("id");
string user = xtr.GetAttribute("user");
if (id != null && user != null && !umc.ContainsID(XmlConvert.ToInt32(id)))
{
umc.Add(new UserMap(XmlConvert.ToInt32(id), user));
}
}
else if (xtr.NodeType == XmlNodeType.Element && xtr.Name == "maxid")
{
xtr.Read();
serverMaxID = XmlConvert.ToInt32(xtr.Value);
socb(new SyncOperationEventArgs(SyncOperation.ExportCommentsMeta, Math.Max(maxID, 0), serverMaxID));
}
else if (xtr.NodeType == XmlNodeType.Element && xtr.Name == "comment")
{
string id = xtr.GetAttribute("id");
string posterid = xtr.GetAttribute("posterid");
string state = xtr.GetAttribute("state");
if (posterid == null)
{
posterid = "0";
}
if (state == null)
{
state = "A";
}
if (id != null)
{
cc.Add(new Comment(XmlConvert.ToInt32(id), XmlConvert.ToInt32(posterid),
state, 0, 0, string.Empty, string.Empty, DateTime.MinValue));
}
}
else if (xtr.NodeType == XmlNodeType.Element && xtr.Name == "h2")
{
xtr.Read();
if (xtr.Value == "Error" && !or.IsUseJournalNull())
{
throw new ExpectedSyncException(ExpectedError.CommunityAccessDenied, null);
}
}
}
xtr.Close();
}
maxID = cc.GetMaxID();
}
}
static private void Merge(Journal j, EventCollection ec, CommentCollection ccMeta,
CommentCollection ccBody, UserMapCollection umc, SyncItemCollection deletedsic, LoginResponse lr,
string communityPicURL, DateTime lastSync)
{
j.AcceptChanges(); // row states must be set to unchanged for loaddatarow to merge properly
// update moods
j.Moods.BeginLoadData();
foreach (Mood m in lr.moods)
{
j.Moods.LoadDataRow(new object[] { m.id, m.name, m.parent }, false);
}
j.Moods.EndLoadData();
// update userpics
j.UserPics.Clear();
j.UserPics.BeginLoadData();
for (int i = 0; i < lr.pickws.Length; ++i)
{
j.UserPics.AddUserPicsRow(lr.pickws[i], lr.pickwurls[i]);
}
j.UserPics.EndLoadData();
// update users
j.Users.BeginLoadData();
foreach (UserMap u in umc)
{
j.Users.LoadDataRow(new object[] { u.id, u.user }, false);
}
j.Users.LoadDataRow(new object[] { 0, "anonymous" }, false);
j.Users.EndLoadData();
// update new/updated journal events
j.Events.BeginLoadData();
foreach (Event e in ec)
{
j.Events.LoadDataRow(new object[] {
e.itemid,
DateTime.Parse(e.eventtime, CultureInfo.InvariantCulture),
e.security,
e.allowmask,
e.subject,
e.eventText,
e.poster,
e.anum,
e.props.current_mood,
e.props.current_moodid,
e.props.current_music,
e.props.opt_preformatted == 1,
e.props.opt_nocomments == 1,
e.props.picture_keyword,
e.props.opt_backdated == 1,
e.props.opt_noemail == 1,
e.props.unknown8bit == 1,
e.props.hasscreened == 1,
e.props.revnum,
e.props.commentalter,
e.props.syn_link,
e.props.syn_id,
new DateTime(1970, 1, 1).AddSeconds(e.props.revtime),
e.props.taglist
}, false);
}
j.Events.EndLoadData();
// update comment meta (posterid and state can change)
j.Comments.BeginLoadData();
foreach (Comment c in ccMeta)
{
Journal.CommentsRow cr = j.Comments.FindByID(c.id);
if (cr != null)
{
cr.PosterID = c.posterid;
cr.State = c.state;
}
}
j.Comments.EndLoadData();
// update comment bodies
j.Comments.BeginLoadData();
foreach (Comment c in ccBody)
{
j.Comments.LoadDataRow(new object[] {
c.id,
c.posterid,
c.state,
c.jitemid,
c.parentid,
c.body,
c.subject,
c.date
}, false);
}
j.Comments.EndLoadData();
// update deleted journal events
if (deletedsic != null)
{
foreach (SyncItem s in deletedsic)
{
Common.Journal.EventsRow er =
j.Events.FindByID(int.Parse(s.item.Substring(_syncitemtypelogprefix.Length)));
if (er != null)
{
j.Events.RemoveEventsRow(er);
}
}
}
// update options
j.Options.DefaultPicURL = (lr.defaultpicurl != null && lr.defaultpicurl.Length > 0 ?
lr.defaultpicurl : null);
j.Options.CommunityPicURL = communityPicURL;
j.Options.FullName = (lr.fullname != null && lr.fullname.Length > 0 ? lr.fullname : null);
j.Options.LastSync = lastSync;
}
static private void ThreadStart()
{
// The main threaded execution body for performing a sync.
// This method is chopped up into smaller methods for clarity and structure.
ILJServer iLJ;
Journal.OptionsRow or = null;
SyncItemCollection sic = null, deletedsic = null;
EventCollection ec = null;
CommentCollection ccbody = null, ccmeta = null;
UserMapCollection umc = null;
LoginResponse lr = new LoginResponse();
string communityPicURL = null;
DateTime lastSync = DateTime.MinValue;
SessionGenerateResponse sgr;
int serverMaxID, localMaxID;
try
{
// STEP 1: Initialize
socb(new SyncOperationEventArgs(SyncOperation.Initialize, 0, 0));
syncException = null;
or = j.Options;
iLJ = LJServerFactory.Create(or.ServerURL);
sic = new SyncItemCollection();
deletedsic = new SyncItemCollection();
ec = new EventCollection();
ccmeta = new CommentCollection();
ccbody = new CommentCollection();
umc = new UserMapCollection();
// STEP 2: Login
socb(new SyncOperationEventArgs(SyncOperation.Login, 0, 0));
lr = new LoginResponse();
Login(or, iLJ, ref lr, ref communityPicURL);
// STEP 3: SyncItems
socb(new SyncOperationEventArgs(SyncOperation.SyncItems, 0, 0));
lastSync = DateTime.MinValue;
SyncItems(or, iLJ, ref sic, ref deletedsic, ref lastSync);
// STEP 4: GetEvents
socb(new SyncOperationEventArgs(SyncOperation.GetEvents, 0, 0));
GetEvents(or, iLJ, ref sic, ref deletedsic, ref ec);
if (or.GetComments)
{
// STEP 5: SessionGenerate
socb(new SyncOperationEventArgs(SyncOperation.SessionGenerate, 0, 0));
sgr = new SessionGenerateResponse();
SessionGenerate(or, iLJ, ref sgr);
// STEP 6: ExportCommentsMeta
socb(new SyncOperationEventArgs(SyncOperation.ExportCommentsMeta, 0, 0));
localMaxID = serverMaxID = j.GetMaxCommentID();
ExportCommentsMeta(or, iLJ, sgr, ref serverMaxID, localMaxID, umc, ccmeta);
// STEP 7: ExportCommentsBody
socb(new SyncOperationEventArgs(SyncOperation.ExportCommentsBody, 0, 0));
ExportCommentsBody(or, iLJ, sgr, serverMaxID, localMaxID, ccbody);
}
}
catch (Exception ex)
{
ParseException(ex, ref syncException);
if (ex.GetType() == typeof(ThreadAbortException))
{
socb(new SyncOperationEventArgs(SyncOperation.Failure, 0, 0)); // do this before thread terminates
return;
}
}
// STEP 8: Merge
try
{
if (syncException == null)
{
socb(new SyncOperationEventArgs(SyncOperation.Merge, 0, 0));
Merge(j, ec, ccmeta, ccbody, umc, deletedsic, lr, communityPicURL, lastSync);
socb(new SyncOperationEventArgs(SyncOperation.Success, ec.Count, ccbody.Count));
}
else if (syncException.GetType() == typeof(ExpectedSyncException) &&
(((ExpectedSyncException)syncException).ExpectedError == ExpectedError.ServerNotResponding ||
((ExpectedSyncException)syncException).ExpectedError ==
ExpectedError.ExportCommentsNotSupported ||
((ExpectedSyncException)syncException).ExpectedError ==
ExpectedError.CommunityAccessDenied) &&
lr.moods != null)
{
socb(new SyncOperationEventArgs(SyncOperation.Merge, 0, 0));
if (sic.Count > 0)
{
lastSync = DateTime.Parse(sic.GetOldest().time, CultureInfo.InvariantCulture).AddSeconds(-1);
}
Merge(j, ec, ccmeta, ccbody, umc, deletedsic, lr, communityPicURL, lastSync);
socb(new SyncOperationEventArgs(SyncOperation.PartialSync, ec.Count, ccbody.Count));
}
else
{
socb(new SyncOperationEventArgs(SyncOperation.Failure, 0, 0));
}
}
catch (Exception ex)
{
syncException = ex;
socb(new SyncOperationEventArgs(SyncOperation.Failure, 0, 0));
}
}
