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@page "/Rooms"
@using LibMatrix.Filters
@using LibMatrix.Helpers
@using LibMatrix.Extensions
@using LibMatrix.Responses
@using System.Collections.ObjectModel
@using System.Diagnostics
@using ArcaneLibs.Extensions
@using MatrixRoomUtils.Abstractions
@inject ILogger<Index> logger
<h3>Room list</h3>
<p>@Status</p>
<p>@Status2</p>
<LinkButton href="/Rooms/Create">Create new room</LinkButton>
<RoomList Rooms="Rooms" GlobalProfile="@GlobalProfile" @bind-StillFetching="RenderContents"></RoomList>
@code {
private ObservableCollection<RoomInfo> Rooms { get; } = new();
private UserProfileResponse GlobalProfile { get; set; }
private AuthenticatedHomeserverGeneric? Homeserver { get; set; }
private static SyncFilter filter = new() {
AccountData = new SyncFilter.EventFilter {
NotTypes = new List<string> { "*" },
Limit = 1
},
Presence = new SyncFilter.EventFilter {
NotTypes = new List<string> { "*" },
Limit = 1
},
Room = new SyncFilter.RoomFilter {
AccountData = new SyncFilter.RoomFilter.StateFilter {
NotTypes = new List<string> { "*" },
Limit = 1
},
Ephemeral = new SyncFilter.RoomFilter.StateFilter {
NotTypes = new List<string> { "*" },
Limit = 1
},
State = new SyncFilter.RoomFilter.StateFilter {
Types = new List<string> {
"m.room.create",
"m.room.name",
"m.room.avatar",
"org.matrix.mjolnir.shortcode",
"m.room.power_levels",
}
},
Timeline = new SyncFilter.RoomFilter.StateFilter {
NotTypes = new List<string> { "*" },
Limit = 1
}
}
};
// private static SyncFilter profileUpdateFilter = new() {
// AccountData = new SyncFilter.EventFilter {
// NotTypes = new List<string> { "*" },
// Limit = 1
// },
// Presence = new SyncFilter.EventFilter {
// NotTypes = new List<string> { "*" },
// Limit = 1
// },
// Room = new SyncFilter.RoomFilter {
// AccountData = new SyncFilter.RoomFilter.StateFilter {
// NotTypes = new List<string> { "*" },
// Limit = 1
// },
// Ephemeral = new SyncFilter.RoomFilter.StateFilter {
// NotTypes = new List<string> { "*" },
// Limit = 1
// },
// State = new SyncFilter.RoomFilter.StateFilter {
// Types = new List<string> {
// "m.room.member"
// },
// Senders = new()
// },
// Timeline = new SyncFilter.RoomFilter.StateFilter {
// NotTypes = new List<string> { "*" },
// Limit = 1
// }
// }
// };
private SyncHelper syncHelper;
// SyncHelper profileSyncHelper;
protected override async Task OnInitializedAsync() {
Homeserver = await MRUStorage.GetCurrentSessionOrNavigate();
if (Homeserver is null) return;
var rooms = await Homeserver.GetJoinedRooms();
// SemaphoreSlim _semaphore = new(160, 160);
var roomTasks = rooms.Select(async room => {
RoomInfo ri;
// await _semaphore.WaitAsync();
ri = new() { Room = room };
await Task.WhenAll((filter.Room?.State?.Types ?? []).Select(x => ri.GetStateEvent(x)));
return ri;
}).ToAsyncEnumerable();
await foreach (var room in roomTasks) {
Rooms.Add(room);
StateHasChanged();
// await Task.Delay(50);
// _semaphore.Release();
}
if (rooms.Count >= 150) RenderContents = true;
GlobalProfile = await Homeserver.GetProfileAsync(Homeserver.WhoAmI.UserId);
syncHelper = new SyncHelper(Homeserver, logger) {
Timeout = 30000,
Filter = filter,
MinimumDelay = TimeSpan.FromMilliseconds(5000)
};
// profileSyncHelper = new SyncHelper(Homeserver, logger) {
// Timeout = 10000,
// Filter = profileUpdateFilter,
// MinimumDelay = TimeSpan.FromMilliseconds(5000)
// };
// profileUpdateFilter.Room.State.Senders.Add(Homeserver.WhoAmI.UserId);
RunSyncLoop(syncHelper);
// RunSyncLoop(profileSyncHelper);
RunQueueProcessor();
await base.OnInitializedAsync();
}
private async Task RunQueueProcessor() {
var renderTimeSw = Stopwatch.StartNew();
var isInitialSync = true;
while (true) {
try {
while (queue.Count == 0) {
Console.WriteLine("Queue is empty, waiting...");
await Task.Delay(isInitialSync ? 100 : 2500);
}
Console.WriteLine($"Queue no longer empty after {renderTimeSw.Elapsed}!");
int maxUpdates = 10;
isInitialSync = false;
while (maxUpdates-- > 0 && queue.TryDequeue(out var queueEntry)) {
var (roomId, roomData) = queueEntry;
Console.WriteLine($"Dequeued room {roomId}");
RoomInfo room;
if (Rooms.Any(x => x.Room.RoomId == roomId)) {
room = Rooms.First(x => x.Room.RoomId == roomId);
Console.WriteLine($"QueueWorker: {roomId} already known with {room.StateEvents?.Count ?? 0} state events");
}
else {
Console.WriteLine($"QueueWorker: encountered new room {roomId}!");
room = new RoomInfo() {
Room = Homeserver.GetRoom(roomId)
};
Rooms.Add(room);
}
if (room.StateEvents is null) {
Console.WriteLine($"QueueWorker: {roomId} does not have state events on record?");
throw new InvalidDataException("Somehow this is null???");
}
if (roomData.State?.Events is { Count: > 0 })
room.StateEvents.MergeStateEventLists(roomData.State.Events);
else {
Console.WriteLine($"QueueWorker: could not merge state for {room.Room.RoomId} as new data contains no state events!");
}
}
Console.WriteLine($"QueueWorker: {queue.Count} entries left in queue, {maxUpdates} maxUpdates left, RenderContents: {RenderContents}");
Status = $"Got {Rooms.Count} rooms so far! {queue.Count} entries in processing queue...";
RenderContents |= queue.Count == 0;
await Task.Delay(Rooms.Count);
}
catch (Exception e) {
Console.WriteLine("QueueWorker exception: " + e);
}
}
}
private bool RenderContents { get; set; } = false;
private string _status;
public string Status {
get => _status;
set {
_status = value;
StateHasChanged();
}
}
private string _status2;
public string Status2 {
get => _status2;
set {
_status2 = value;
StateHasChanged();
}
}
private Queue<KeyValuePair<string, SyncResponse.RoomsDataStructure.JoinedRoomDataStructure>> queue = new();
private async Task RunSyncLoop(SyncHelper syncHelper) {
Status = "Initial syncing...";
Console.WriteLine("starting sync");
var syncs = syncHelper.EnumerateSyncAsync();
await foreach (var sync in syncs) {
Console.WriteLine("trying sync");
if (sync is null) continue;
Status = $"Got sync with {sync.Rooms?.Join?.Count ?? 0} room updates, next batch: {sync.NextBatch}!";
if (sync?.Rooms?.Join != null)
foreach (var joinedRoom in sync.Rooms.Join)
if ( /*joinedRoom.Value.AccountData?.Events?.Count > 0 ||*/ joinedRoom.Value.State?.Events?.Count > 0) {
joinedRoom.Value.State.Events.RemoveAll(x => x.Type == "m.room.member" && x.StateKey != Homeserver.WhoAmI?.UserId);
// We can't trust servers to give us what we ask for, and this ruins performance
// Thanks, Conduit.
joinedRoom.Value.State.Events.RemoveAll(x => filter.Room?.State?.Types?.Contains(x.Type) == false);
if (filter.Room?.State?.NotSenders?.Any() ?? false)
joinedRoom.Value.State.Events.RemoveAll(x => filter.Room?.State?.NotSenders?.Contains(x.Sender) ?? false);
queue.Enqueue(joinedRoom);
}
if (sync.Rooms.Leave is {Count: > 0})
foreach (var leftRoom in sync.Rooms.Leave)
if (Rooms.Any(x => x.Room.RoomId == leftRoom.Key))
Rooms.Remove(Rooms.First(x => x.Room.RoomId == leftRoom.Key));
Status = $"Got {Rooms.Count} rooms so far! {queue.Count} entries in processing queue... " +
$"{sync?.Rooms?.Join?.Count ?? 0} new updates!";
Status2 = $"Next batch: {sync.NextBatch}";
}
}
}
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