Commit Graph

676 Commits

Author SHA1 Message Date
BrennanConroy 1c9607a1ed
Verify Verifiable spelling (#2114) 2018-04-22 21:33:57 -07:00
Andrew Stanton-Nurse d5f62f7b5a
Merge pull request #2122 from aspnet/release/2.1
CancellationToken EVERYWHERE (#2101)
2018-04-20 16:22:16 -07:00
Andrew Stanton-Nurse 47eafca4d8
CancellationToken EVERYWHERE (#2101) 2018-04-20 16:21:51 -07:00
Andrew Stanton-Nurse 36f05d42f5
Merge pull request #2118 from aspnet/release/2.1
Release/2.1
2018-04-20 13:49:53 -07:00
Andrew Stanton-Nurse 058830c9df
fix #2116 by requiring task return values from typed client (#2117) 2018-04-20 13:49:12 -07:00
BrennanConroy e6011ef69b
Use custom group names in tests to not collide with other tests running (#2102) 2018-04-20 09:26:26 -07:00
BrennanConroy 1e65802109 Merge branch 'release/2.1' into dev 2018-04-20 08:53:15 -07:00
BrennanConroy 9101ab636b
Always check for WebSockets close (#2100) 2018-04-20 08:21:04 -07:00
James Newton-King 5516a969e3
Change Hub and friends to abstract (#2108) 2018-04-20 20:53:01 +12:00
Andrew Stanton-Nurse ace9a0d414
fix #2097 by adding GetHttpContext to HubConnectionContext (#2099) 2018-04-19 19:14:39 -07:00
BrennanConroy 8571769f2f Merge branch 'release/2.1' into dev 2018-04-19 17:00:59 -07:00
BrennanConroy 1957655653
Run hub invocations serially (#2086) 2018-04-19 16:59:06 -07:00
Andrew Stanton-Nurse bea09f5f94
Merge pull request #2104 from aspnet/release/2.1
fix #2078 by adding locking (#2079)
2018-04-19 15:32:27 -07:00
Andrew Stanton-Nurse 6b6d890c8f
fix #2078 by adding locking (#2079) 2018-04-19 15:32:04 -07:00
James Newton-King da94e984ce
Merge pull request #2090 from aspnet/release/2.1
Global suppress low impact logging verification in tests (#2089)
2018-04-19 17:46:11 +12:00
James Newton-King ad52ba7316
Global suppress low impact logging verification in tests (#2089) 2018-04-19 16:50:02 +12:00
BrennanConroy f36313e585
Merge pull request #2088 from aspnet/release/2.1
Split lock into WriteLock and StateLock to prevent deadlocks and unne…
2018-04-18 17:45:08 -07:00
BrennanConroy e9937ffb66
Split lock into WriteLock and StateLock to prevent deadlocks and unneeded lock contention (#2081) 2018-04-18 17:44:05 -07:00
David Fowler 9a0c190f48
Merge pull request #2082 from aspnet/release/2.1
Added support for negotiate response to redirect the client to anothe…
2018-04-18 14:51:55 -07:00
David Fowler 903fe1e902
Added support for negotiate response to redirect the client to another SignalR endpoint (#2070)
- Add a SkipNegotiation flag to the .NET and ts client
to allow skipping the negotiation phase. Don't infer it based on the transport type.
-  Updated the negotiate protocol to support returning a redirect url
- Added support to .NET client to handle redirect negotiations
- Handle poorly written endpoints that sends infinite redirects
- Added access token support and an infinite redirect guard
- Add delete handler for stopping the transport
2018-04-18 14:22:45 -07:00
Andrew Stanton-Nurse ba75e5fdf7 Merge branch 'release/2.1' into dev 2018-04-18 09:08:52 -07:00
Andrew Stanton-Nurse b4046b5ed8
Fix #1989 by adding a 'binding failure' pseudo-message (#2064) 2018-04-17 20:08:07 -07:00
James Newton-King 61cce236fc
Derp 2018-04-18 10:37:23 +12:00
James Newton-King 0f0b9a73c1
Logger thread safety? 2018-04-18 10:13:12 +12:00
Mike Harder e19079bd50
Remove unused dependency on Microsoft.AspNetCore.Server.IntegrationTesting (#2062) 2018-04-17 12:18:34 -07:00
James Newton-King 707d79d3a1
Comment 2018-04-17 21:28:06 +12:00
James Newton-King 9f526b74af
This time? 2018-04-17 21:09:16 +12:00
James Newton-King 259dd04c99
Fix weird NRE 2018-04-17 20:58:18 +12:00
James Newton-King 8985fee4b5
Merge 2018-04-17 20:39:19 +12:00
David Fowler 05d6bbb782
Flush first long poll immediately (#2032)
There was a race condition between the first poll and any other http request that was sent. 
In particular, if you called StartAsync then StopAsync it was possible for the delete to happen before the poll started leading to 400 errors. This change fixes that by making the very first poll
return immediately so that the client can use that to determine if there was an error connecting.
2018-04-17 00:49:26 -07:00
James Newton-King 8241acf3a1
Boop 2018-04-17 18:00:04 +12:00
James Newton-King 818497de64
Improvements 2018-04-17 16:57:55 +12:00
Andrew Stanton-Nurse c05c5a6b2a
React to aspnet/KestrelHttpServer#2496: make IConnectionInherentKeepAliveFeature a boolean feature (#2041) 2018-04-16 11:34:12 -07:00
David Fowler a5d9930802
API review changes (#2043)
- Make SerializedHubMessage and SerializedMessage
public
- Made HubConnectionStore public
- Move SendUtils and Utils to the internal folder
- Make Microsoft.AspNetCore.Http.Connections.Common/Internal public.
- Move InvocationRequest to internal folder
2018-04-16 10:31:10 -07:00
David Fowler 680b51ed6c
Skip failing test (#2042) 2018-04-16 10:24:14 -07:00
James Newton-King b5d5f11ef8
Rename excludedIds to excludedConnectionIds (#2037) 2018-04-16 18:03:16 +12:00
James Newton-King 0da06fb5d2
Microsoft.AspNetCore.SignalR.Redis API review (#2036) 2018-04-16 15:56:49 +12:00
James Newton-King b3a9011698
API review changes for Microsoft.AspNetCore.SignalR (#2033) 2018-04-16 15:54:42 +12:00
James Newton-King 6eac7049ba
Update text and binary formatter helpers to be shared (#2035) 2018-04-16 15:19:34 +12:00
James Newton-King fbb13c4c1f
Improve response status logging 2018-04-16 09:38:47 +12:00
James Newton-King aec323d8d2
Clean up 2018-04-16 09:03:01 +12:00
James Newton-King 75ade2d674
y u no log? 2018-04-16 08:48:58 +12:00
James Newton-King 64f52d1098
y u no log? 2018-04-16 08:33:19 +12:00
James Newton-King 0a5dd8f6d3
Fix tests 2018-04-15 20:26:54 +12:00
James Newton-King 5a64429fd5
Improvements! 2018-04-15 20:21:45 +12:00
James Newton-King 5b188018f0
Log level 2018-04-15 19:56:46 +12:00
James Newton-King 1d900fe139
More logging! 2018-04-15 19:19:24 +12:00
James Newton-King 81b593fdbe
More logging! 2018-04-15 19:18:36 +12:00
James Newton-King 25aea395da
ah-ha! 2018-04-15 19:10:37 +12:00
James Newton-King 725bb33949
Lazy initialize HttpConnectionContext.Items (#2027) 2018-04-15 19:06:13 +12:00
James Newton-King 585bcc3ee0
How about this? 2018-04-15 19:02:56 +12:00
James Newton-King 05739820d2
Test 2018-04-15 18:40:53 +12:00
James Newton-King a13f3f4765
Clean up 2018-04-15 17:11:09 +12:00
James Newton-King 89922a399f
Capture server logs in tests 2018-04-15 14:43:56 +12:00
James Newton-King ddc905c219
Add VerifyNoErrorsScope (#1972) 2018-04-15 11:12:21 +12:00
James Newton-King 377ed1b834
JsonHubProtocol and MessagePackHubProtocol version fields now private (#2023) 2018-04-15 09:58:05 +12:00
David Fowler 4fe41dc6d0
Increase timeout of test (#2021)
- Seems like it was possible for the server timeout to happen *before* the invocation happened.
- Added logging to the test
2018-04-14 05:05:49 -07:00
David Fowler d6395a52bc
Send delete request after poll ends (#2020)
* Added test and fixed other test
2018-04-14 04:45:16 -07:00
James Newton-King e4d0f2980e
Microsoft.AspNetCore.SignalR.Client refactor (#2000) 2018-04-14 21:09:41 +12:00
Andrew Stanton-Nurse c7f7f36210
API Review for Http.Connections (#2010) 2018-04-13 16:35:07 -07:00
Mikael Mengistu 623ab63091
HubConnectionTests.Helper Header (#2011) 2018-04-13 21:32:26 +00:00
Andrew Stanton-Nurse 499d39b364
rename MsgPack assembly only (#2005) 2018-04-13 12:01:45 -07:00
Andrew Stanton-Nurse 43e6ab750a
Fix #1927 by using Synchronous Callbacks everywhere. (#2003) 2018-04-13 11:38:03 -07:00
David Fowler 3e69fdc4ad
Delegate disposable to the IConnectionFactory (#1999)
- Added DisposeAsync to the IConnectionFactory. It's responsible for disposing the connection after the pipe has closed.
- Added dispose callback to WithConnectionFactory
- Don't wait for poll request to end before unwinding from the transport
- Make sure all http requests are done before returning from StopAsync in both SSE and longpolling
2018-04-13 09:16:23 -07:00
David Fowler abe139ee16
Make the protocol and messages public (#1994)
* Move types to a .Protocol namespace
2018-04-13 01:53:41 -07:00
James Newton-King 198013bfa3
Microsoft.AspNetCore.Http.Connections.Client refactors (#1995) 2018-04-13 20:13:58 +12:00
David Fowler 83dec1093a
Fixed flaky longpolling tests (#1993)
- Wait for disposal and removal of the connection
2018-04-13 00:42:31 -07:00
David Fowler 4a568e90d2
API review changes (#1992)
- Changed GetMessageBytes to return ReadOnlyMemory
- Make HandshakeProtocol.SuccessHandshakeData a readonly field
2018-04-13 00:25:02 -07:00
Mikael Mengistu 70c63fe9e8
Http.Connections.Client API Review changes (#1987) 2018-04-13 06:52:27 +00:00
Ahson Khan 0ee4a86564 Collapse AsSpan().Slice(..) into AsSpan(..) (#1991) 2018-04-12 23:15:47 -07:00
Mikael Mengistu 0053124ca4
Make Proxies Internal (#1982) 2018-04-13 00:38:16 +00:00
= d5a4d9b8c5 Update usage of TestSink 2018-04-12 16:58:19 -07:00
Andrew Stanton-Nurse 24328b8e88
fix #1281 by adding support for DELETE endpoint on server (#1925) 2018-04-12 12:39:08 -07:00
Andrew Stanton-Nurse 0992db9fd2
fix #1914 by switching RedisProtocol to MsgPack (#1968) 2018-04-12 12:10:51 -07:00
David Fowler 8b1a7e9199
API review feedback (#1974)
- Remove SetHttpContext
- Remove HttpContextFeature
- Add and implement IHttpTransportFeature on HttpConnectionContext
- Remove ConnectionMetadataNames
2018-04-12 03:50:14 -07:00
James Newton-King 1ae901de3d
Fix incorrect test for long poll and web sockets requests (#1971) 2018-04-12 18:21:05 +12:00
BrennanConroy c9ab30e150
Enable detailed errors for redis tests (#1962) 2018-04-11 15:14:34 -07:00
David Fowler 8cc851ff9b
Clean up timer code with custom awaitable (#1935)
- Gets rid of locks by using an event loop
2018-04-11 10:39:29 -07:00
David Fowler cb5bba36fc
Get off the event loop before dispatch (#1952) 2018-04-11 10:39:09 -07:00
James Newton-King 12b69a0fdb
Refactor HttpOptions in client (#1942)
- Rename HttpOptions to HttpConfigurationOptions
- Remove HttpConfigurationOptions from SignalR client project
- Updated client HttpConnection ctors
2018-04-11 20:20:04 +12:00
James Newton-King b30c2fecbf
SSE formatting refactor (#1916) 2018-04-11 17:13:15 +12:00
Mikael Mengistu 83821a028d
Rename HubEndPointTestUtils folder (#1943) 2018-04-11 04:05:28 +00:00
James Newton-King c83baf2b76
Remove params from message ctors (#1931) 2018-04-11 12:11:13 +12:00
Mikael Mengistu e2169ceda6
Connect to Redis asynchronously (#1922) 2018-04-10 23:48:11 +00:00
Ben Adams 8a3516284e Add GetMessageBytes to IHubProtocol (#1915) 2018-04-10 07:14:09 -07:00
Vegard Løkken 31dfe91962 Support async access token factory (#1911) 2018-04-10 05:34:10 -07:00
BrennanConroy 6d050140e5
Swtich to MessagePack-CSharp (#1879) 2018-04-09 17:04:32 -07:00
James Newton-King bd78785f8d
Minor DefaultHubLifetimeManager improvements (#1904) 2018-04-09 12:31:14 +12:00
David Fowler 9fd713c73a
Make MemoryBufferWriter a Stream (#1907)
- Get rid of LimitArrayPoolWriteStream and use MemoryBufferWriter in its place in the MessagePackProtocol implementation.
- Added tests for MemoryPoolBufferWriter and fixed a bug in CopyToAsync
- Added CopyTo(`IBufferWriter<byte>`)
- Changed MemoryBufferWriter to fill the underlying arrays that back segments, the segment size is now a minimum.
2018-04-08 16:11:17 -07:00
James Newton-King 27d18578d0
Use expression body properties and implicit arrays where possible (#1906) 2018-04-08 21:40:01 +12:00
James Newton-King 0f663cadc4
readonly all the things (#1901) 2018-04-08 15:47:01 +12:00
David Fowler 0d9c3d8898
Buffer messages so we get a single outgoing request (#1898) 2018-04-07 16:41:52 -07:00
David Fowler c1049b722d
The grand unification of ConnectionContext (#1895)
This change rationalizes the 2 very similar abstractions that exist in Connections.Abstractions, IConnection and ConnectionContext. It also introduces an IConnectionFactory to SignalR that is used to create a new ConnectionContext for a HubConnection.

- HubConnection just completes both ends of the transport pipe instead of calling DisposeAsync.
- Implemented ConnectionContext on HttpConnection and added HttpConnectionFactory
-  Updated tests
2018-04-07 16:19:01 -07:00
David Fowler e3da7feab4
Clean up client ITransport interface (#1893)
- Transports own the pipe creation. The fact they are 2 sides is an implementation detail.
2018-04-07 15:11:42 -07:00
David Fowler 86083c0302
Removing native support for IObservable<T> (#1890)
- There are too many issues and questions with respect to back pressure and the buffering policy we should use when the client being streamed to can't support the data being pushed via OnNext.
As a result, we're dropping support for IObservable but keeping ChannelReader and we'll eventually support IAsyncEnumerable when that makes it into the BCL.
- Add sample showing Observable -> ChannelReader adaption
2018-04-07 15:10:39 -07:00
James Newton-King acc0b7ad0d
Serialize NegotiateResponse with IBufferWriter (#1881) 2018-04-07 15:50:13 +12:00
David Fowler f632330d7f
Allocate pipe writer stream per connection (#1885)
- Don't create the PipeWriterStream per operation, make it per Connection
- Reduce the buffer size for CopyToAsync operations to 4K where possible instead of 81K (the default)
2018-04-06 14:36:35 -07:00
David Fowler e51676fb47 Policheck errors 2018-04-06 13:01:20 -07:00
David Fowler e3d90bdf6a
Fix graceful closing of pipes (#1882)
- Closing pipes gracefully in most cases. The only case where we forcefully close the pipes is during application shutdown
- Return 404 if sending to connection after disposal
- Added tests
2018-04-06 10:59:40 -07:00
Mikael Mengistu 4ddf8664c0
Don't throw from Observer's OnNext (#1872) 2018-04-06 00:35:04 -07:00
James Newton-King 36edadabb4
Lock when sending data to connection (#1876) 2018-04-06 16:25:47 +12:00
James Newton-King cb5ece8a24
HttpTransportType refactor (#1873)
- Rename file to HttpTransportType.cs
- Add HttpTransportType.None
- Move All to static readonly field
- Make TransportType on client and service HttpConnectionOptions consistent
- Move setting defaults into ctor
2018-04-06 16:18:47 +12:00
James Newton-King 921986d561
Fix AccessTokenFactory not being called with each request (#1880) 2018-04-06 15:46:36 +12:00
BrennanConroy b0c4e9d0f7
0 byte read in WebSockets (#1878) 2018-04-05 18:50:30 -07:00
BrennanConroy 307ed01051
ReEnable SSETransportStopsSendAndReceiveLoopsWhenTransportStopped (#1877) 2018-04-05 17:16:39 -07:00
Andrew Stanton-Nurse 19b2fea0d8
Preserialize for all formats when sending through Redis (#1843) 2018-04-05 13:48:14 -07:00
David Fowler 39f693b9ed
Found these while looking at a flaky test (#1871)
- Fix crashing test
- Dispose the ClientWebsocket in StopAsync
2018-04-05 12:47:39 -07:00
David Fowler 11343ea15d
Add logging by default to HubConnectionBuilder (#1867)
- Use the AddLogging extension method by default in the HubConnection
- Removed WithConsoleLogger extension methods
- Removed WithLoggerFactory extension method (moved to test only)
- Added WithLogger that uses the new the new ILoggerBuilder
2018-04-05 10:05:07 -07:00
David Fowler 61c3d0c403
Added Microsoft.AspNetCore.SignalR.Protocols.Json (#1861)
- Fixed package descriptions
- Call AddJsonProtocol from both the SignalR.Core (client and server)
2018-04-05 01:32:10 -07:00
James Newton-King e9db9e64c7
Add streaming benchmarks (#1854) 2018-04-05 20:27:37 +12:00
James Newton-King f7fc2647de
var all the things (#1855) 2018-04-05 18:41:13 +12:00
Andrew Stanton-Nurse fccc9d1b50
fix #1815 by disposing linked cts (#1849) 2018-04-04 21:12:21 -07:00
BrennanConroy 32b4d5cc6c
Set X-Requested-With on all requests (#1848) 2018-04-04 17:12:50 -07:00
BrennanConroy 80f87e7730
Add Handshake timeout to C# Client (#1840) 2018-04-04 15:54:42 -07:00
David Fowler 490fd088f9 Merge branch 'release/2.1' into dev 2018-04-04 15:02:47 -07:00
David Fowler 1c7ca7fa3a
Remove lazily initialization of the pipes (#1850)
- This fixes race condition
2018-04-04 14:43:34 -07:00
James Newton-King e7b84b753b
Refactor HubConnectionBuilder (#1830) 2018-04-04 21:19:13 +12:00
Mikael Mengistu 7c2d9e87e9
Clean up pipe pair on transport start failure (#1836) 2018-04-03 17:08:04 -07:00
Mikael Mengistu ba0131a731
Rename TransportTypes to HttpTransportTypes (#1839) 2018-04-03 16:00:20 -07:00
Pavel Krymets d23f2beafc
Merge release/2.1 into dev (#1834) 2018-04-03 10:45:44 -07:00
James Newton-King 416b27c6d6
Fix build (#1825) 2018-04-03 11:45:05 +12:00
Pavel Krymets 6a1367ff70
Reaction to *Memory changes (#1824) 2018-04-02 16:44:31 -07:00
James Newton-King 3460d44848
Fix non-serializable tests (#1820) 2018-04-03 09:31:52 +12:00
BrennanConroy 5ce672dfe6
ThreadStatic MemoryBufferWriter (#1821) 2018-04-02 11:25:04 -07:00
BrennanConroy 6640f14e35
Detailed errors enabled for functional tests (#1822) 2018-04-02 10:42:26 -07:00
David Fowler e6e45cea05
Change how HttpConnection sets headers (#1806)
- Removed SendUtils.PrepareRequst and instead used HttpClient.DefaultRequstHeaders to set the common headers to apply HttpOptions to all outbound requests
- Modified how we check for the user agent request testing
2018-03-31 22:23:09 -07:00
James Newton-King 04a22f23dd
Deserializing ISO formatted strings in method arguments (#1812) 2018-04-01 12:26:30 +12:00
BrennanConroy 903a9ea6a0
Use IBufferWriter in IHubProtocol (#1791) 2018-03-30 17:30:08 -07:00
David Fowler eb7dc14c39
Handle uninitialized connections in disposal (#1786)
- We made a change to not initialize pipes up front
on connection creation. That change make it null ref in disposal because we didn't check if the pipes were initialized.
- Added a test
- Also fixed the EchoConnectionHandler in the functional ts tests.
2018-03-30 15:44:30 -07:00
Andrew Stanton-Nurse 6b3a27e73c
Bedrock Renames (#1777) 2018-03-30 15:09:19 -07:00
James Newton-King 0362905a70
Re-enable ConnectionCanSendAndReceiveMessages + logging (#1778) 2018-03-31 08:45:33 +13:00
Mikael Mengistu 313133131f
Check for Websockets in Fallback functional tests (#1772) 2018-03-30 12:33:42 -07:00
BrennanConroy 44b667b3e6
Add detailed error option (#1763) 2018-03-30 11:30:07 -07:00
David Fowler a26e6f5a30
Make shutdown logic for SSE and LongPolling more similar to WebSockets (#1779)
- Cancel reading from the application when initiating a transport stop
- Complete each side of the pipe in the place where the pipe is being consumed
- Errors from sending end up getting sent to the application
- The Running task never throws
- Removes ContinueWith
2018-03-30 01:50:30 -07:00
BrennanConroy 46f27cdd0b
Fix internal HubConnection state when handshake fails (#1774) 2018-03-29 16:35:31 -07:00
David Fowler 7a53e07623
Parse data as it comes in off the wire in the .NET client and server (#1766)
- Change websockets and the POST end point to send data unbuffered.
- Update tests to handle partial frames
2018-03-29 10:03:59 -07:00
James Newton-King 7f86b92f7e
Handshake and negotiation optimization (#1731) 2018-03-29 17:50:45 +13:00
Mikael Mengistu eb2fa9bacd
Fix more flaky tests (#1750) 2018-03-28 15:27:40 -07:00
James Newton-King 8c84518ecc
Message writing optimization (#1683) 2018-03-29 11:03:40 +13:00
Mikael Mengistu 890c8566d6
Fix WebSocketsSupportedConditionAttribute version check (#1751) 2018-03-28 14:56:03 -07:00
David Fowler 19b9dca268
Change IHubProtocol interface to support partial parsing (#1745)
- These are the finishing touches before we disable batching on the
C# client and on the server. We're changing the IHubProtocol interface to
modify the input buffer with what was consumed. We're also changing it
to parse a single message at a time to be match what output writing does.
- Added TryParseResponseMessage and made it look like TryParseRequestMessage
2018-03-28 12:08:16 -07:00
Mikael Mengistu c631b87c6d
Check for Websockets to fix flaky tests (#1740) 2018-03-28 00:49:37 -07:00
Andrew Stanton-Nurse cfaa123eb8 IConnection refactoring (#1718)
- IConnection is now single-use and HubConnection creates a new instance
for reconnecting
- IConnection is just a Pipe now, no more events
2018-03-27 23:02:07 -07:00
Mikael Mengistu 5b85e8309e
Adding File Header (#1741) 2018-03-27 21:54:11 -07:00
David Fowler 185453908f
Remove HubConnectionContext parameter from IHubProtocolResolver (#1735) 2018-03-27 10:25:00 -07:00
David Fowler 7a9160f3e0
React to https://github.com/aspnet/KestrelHttpServer/pull/2428 (#1734) 2018-03-27 02:02:29 -07:00
James Newton-King 79b51ad642
Added logging of .NET client HTTP requests (#1723) 2018-03-27 12:57:13 +13:00
David Fowler b8285b8356
Don't create the span on netstandard (#1721)
- Directly pin the char[]
- Changed Utf8BufferTextReader to use the Utf8Decoder
- It copies whatever it can into the char buffer allocated in a stateful way (it's more efficient).
- Added tests for unicode and ascii reading
- Added a thread static cache
2018-03-26 14:36:08 -07:00
James Newton-King 4f5bc7046e
Add conditional test attribute for WebSockets (#1709) 2018-03-25 18:53:49 +13:00
David Fowler cb05ce4e0b
Progress towards deleting Sockets.Abstractions (#1705)
* Progress towards deleting Sockets.Abstractions
- Moved our custom DefaultConnectionContext to Sockets.Http and renamed it to HttpConnectionContext.
- Renamed ConnectionManager to HttpConnectionManager
- Use DefaultConnection in tests and benchmarks
- Delete ConnectionMetadata
2018-03-24 04:21:47 -07:00