public async Task LearnsOfNewTermThroughAppend()
{
// Start a follower in term 1.
this.persistentState.CurrentTerm.Returns(_ => 1);
this.journal.Entries.AddRange(new[] { new LogEntry <int>(new LogEntryId(1, 1), 27) });
await this.role.Enter();
// Append an entry from a new term.
var request = new AppendRequest <int>
{
Term = 2,
PreviousLogEntry = new LogEntryId(1, 1),
Entries = new List <LogEntry <int> > {
new LogEntry <int>(new LogEntryId(2, 2), 38)
}
};
var response = await this.role.Append(request);
// Check that the call succeeded and that the log entries were written.
response.Success.Should().BeTrue();
response.Term.Should().Be(2);
response.LastLogEntryId.Should().Be(this.journal.LastLogEntryId);
await this.journal.Received().AppendOrOverwrite(Arg.Any <IEnumerable <LogEntry <int> > >());
this.journal.Entries.Skip(1).Should().BeEquivalentTo(request.Entries);
// Ensure that the term was updated.
await this.persistentState.Received().UpdateTermAndVote(null, 2);
}
public async Task <AppendValuesResponse> AppendAsync(string range, ValueRange body)
{
AppendRequest request = _service.Spreadsheets.Values.Append(body, SheetId(), range);
request.ValueInputOption = AppendRequest.ValueInputOptionEnum.USERENTERED;
return(await request.ExecuteAsync());
}
public Response HandleAppendMessages(BinaryStream buffer)
{
var request = AppendRequest.ReadFromStream(buffer);
if (!_storage.ValidatePartitionNumber(request.Topic, request.Partition))
{
return(null);
}
for (int i = 0; i < request.Messages.Count; i++)
{
var message = request.Messages[i];
//For testing purpose only
if (message.Payload.Length < 20)
{
var text = Encoding.UTF8.GetString(message.Payload);
if (text == "end!//")
{
Console.WriteLine("Done!");
}
}
_storage.Append(request.Topic, request.Partition, message.Payload);
// Flushing to OS cashe
_storage.Flush();
}
return(null);
}
public async Task DoesNotAppendEntries()
{
await this.role.Enter();
this.persistentState.CurrentTerm.Returns(_ => 2);
this.persistentState.VotedFor.Returns(_ => this.identity.Id);
this.coordinator.ClearReceivedCalls();
var request = new AppendRequest <int>
{
Term = 1,
Entries = new List <LogEntry <int> > {
new LogEntry <int>(new LogEntryId(1, 1), 8)
}
};
// Check that append fails.
var response = await this.role.Append(request);
response.Success.Should().BeFalse();
response.Term.Should().Be(2);
// Check that the no entries were written to the log.
await this.journal.DidNotReceive().AppendOrOverwrite(Arg.Any <IEnumerable <LogEntry <int> > >());
// Check that the role did not transition into a follower.
await this.coordinator.DidNotReceive().BecomeFollowerForTerm(Arg.Any <long>());
}
public async Task AppendRemovesConflictingEntries()
{
// Start a follower with some log entries.
this.persistentState.CurrentTerm.Returns(_ => 2);
this.journal.Entries.AddRange(new[] { new LogEntry <int>(new LogEntryId(1, 1), 27) });
await this.role.Enter();
// Attempt to append an entry when the previous entry is not in the log.
var request = new AppendRequest <int>
{
Term = 2,
PreviousLogEntry = default(LogEntryId),
Entries = new List <LogEntry <int> > {
new LogEntry <int>(new LogEntryId(2, 1), 38)
}
};
var response = await this.role.Append(request);
// Check that the call succeeded and that the old entry was replaced.
response.Success.Should().BeTrue();
response.Term.Should().Be(2);
response.LastLogEntryId.Should().Be(this.journal.LastLogEntryId);
await this.journal.Received().AppendOrOverwrite(request.Entries);
this.journal.Entries.Count.Should().Be(1);
this.journal.Entries[0].Should().Be(request.Entries[0]);
}
public async Task DenyAppendIfPreviousEntryNotInLog()
{
// Start a follower with some log entries.
this.persistentState.CurrentTerm.Returns(_ => 2);
this.journal.Entries.AddRange(
new[] { new LogEntry <int>(new LogEntryId(1, 1), 27), new LogEntry <int>(new LogEntryId(2, 2), 45) });
await this.role.Enter();
// Attempt to append an entry when the previous entry is not in the log.
var request = new AppendRequest <int>
{
Term = 2,
PreviousLogEntry = new LogEntryId(2, 3),
Entries = new List <LogEntry <int> > {
new LogEntry <int>(new LogEntryId(2, 4), 38)
}
};
var response = await this.role.Append(request);
// Check that the call failed and that no new entries were added to the log.
response.Success.Should().BeFalse();
response.Term.Should().Be(2);
response.LastLogEntryId.Should().Be(this.journal.LastLogEntryId);
await this.journal.DidNotReceive().AppendOrOverwrite(Arg.Any <IEnumerable <LogEntry <int> > >());
await this.persistentState.DidNotReceive().UpdateTermAndVote(Arg.Any <string>(), Arg.Any <long>());
}
/// <summary>
/// Appends some entries to the log, specifying that some entries are also committed on the leader.
/// </summary>
/// <returns>A <see cref="Task"/> representing the work performed.</returns>
private async Task AppendValidEntriesWithSomeCommitted()
{
this.persistentState.CurrentTerm.Returns(_ => 1);
this.journal.Entries.Add(new LogEntry <int>(new LogEntryId(1, 1), 27));
// Become a follower
await this.role.Enter();
// Append some entries.
var request = new AppendRequest <int>
{
Term = 1,
PreviousLogEntry = this.journal.LastLogEntryId,
Entries =
new List <LogEntry <int> >
{
new LogEntry <int>(new LogEntryId(1, 2), 38),
new LogEntry <int>(new LogEntryId(1, 3), 98)
},
LeaderCommitIndex = 2
};
var response = await this.role.Append(request);
// Check that the call succeeded and that the entries were written to the log.
response.Success.Should().BeTrue();
response.Term.Should().Be(1);
await this.journal.Received().AppendOrOverwrite(Arg.Any <IEnumerable <LogEntry <int> > >());
this.journal.Entries.Skip(1).Should().BeEquivalentTo(request.Entries);
// If a follower is in the same term as the leader, a call to UpdateTermAndVote should not occur.
await this.persistentState.DidNotReceive().UpdateTermAndVote(Arg.Any <string>(), Arg.Any <long>());
}
public AppendValuesResponse Append(string range, ValueRange body)
{
AppendRequest request = _service.Spreadsheets.Values.Append(body, SheetId(), range);
request.ValueInputOption = AppendRequest.ValueInputOptionEnum.USERENTERED;
return(request.Execute());
}
public static void ForceExec(ForceExecOptions opts)
{
CoreLib.Messages.Config.SgxConfig config = null;
if (!string.IsNullOrEmpty(opts.ConfigPath) && !TryReadConfig(opts.ConfigPath, out config))
{
return;
}
if (!TryConnectRpc(opts, out SgxDaemon.SgxDaemonClient client))
{
return;
}
Peer peer = config.Peers
.First(p => p.Addr.EndPoint.Port == opts.RpcPort);
AppendRequest req = new AppendRequest
{
CommitIndex = 0,
Entries = new[]
{
new Entry
{
Event = peer.Event,
Term = 9999,
Index = 9999,
Tag = new CommandTag
{
Type = CommandTag.CommandType.Exec,
Uid = new Uid()
}
}
}
};
string eventName = config?.Workflow.Events.First(e => e.Uid == peer.Event).Name;
System.Console.WriteLine();
System.Console.ForegroundColor = ConsoleColor.DarkYellow;
System.Console.WriteLine($"exec {req.Entries[0].Tag.Uid}");
System.Console.ResetColor();
System.Console.WriteLine($"euid {peer.Event}");
if (eventName != null)
{
System.Console.WriteLine($"event {eventName}");
}
try
{
client.Send(new Container
{
Payload = req,
Sender = peer.Uid
}.ToWire());
}
catch (Exception ex)
{
System.Console.WriteLine($"\nError while executing: {ex.Message}");
}
}
/// <summary>
/// Send binary message to specified topic with specified key, using specified partitioner.
/// </summary>
public void Send(String topic, byte[] payload, Object key, IPartitioner partitioner)
{
var partitionsNumber = GetNumberOfPartitionsForTopic(topic);
var partition = _partitioner.SelectPartition(null, partitionsNumber);
var request = new AppendRequest(topic, partition, Message.CreateMessage(payload));
_pushSender.Push(request);
}
public ActionResult Append(string key, [FromBody] AppendRequest request)
{
if (!_valueStorage.Append(key, request.Values, request.ExpirationInSeconds))
{
return(Conflict());
}
return(Created(new Uri(key, UriKind.Relative), _valueStorage.Get(key)));
}
private void WriteActivityLogRowsToSheet(SheetsService service, List <IList <object> > rows)
{
CreateLogSheet(service);
AppendRequest appendRequest = service.Spreadsheets.Values.Append(new ValueRange {
Values = rows
}, Spreadsheet, "PixelBotLog!A2:E");
appendRequest.InsertDataOption = AppendRequest.InsertDataOptionEnum.INSERTROWS;
appendRequest.ValueInputOption = AppendRequest.ValueInputOptionEnum.USERENTERED;
_ = appendRequest.Execute();
}
public async Task <AppendResponse> Append(AppendRequest <TOperation> request)
{
// If RPC request or response contains term T > currentTerm: set currentTerm = T, convert to follower (§5.1)
if (await this.coordinator.StepDownIfGreaterTerm(request))
{
return(await this.coordinator.Role.Append(request));
}
this.logger.LogWarn($"Denying append from {request.Leader}.");
return(new AppendResponse {
Success = false, Term = this.persistentState.CurrentTerm
});
}
/// <summary>
/// Adiciona os valores informados na planilha.
/// </summary>
/// <param name="values">Os valores da linha a ser adicionada.</param>
/// <returns>Resposta do request da operação.</returns>
public AppendValuesResponse AddValues(List <object> values)
{
ValueRange valueRange = new ValueRange();
valueRange.Values = new List <IList <object> > {
values
};
AppendRequest appendRequest = service.Spreadsheets.Values.Append(valueRange, spreadsheetId, "A:A");
appendRequest.ValueInputOption = AppendRequest.ValueInputOptionEnum.USERENTERED;
return(appendRequest.Execute());
}
public async Task <AppendResponse> Append(AppendRequest <TOperation> request)
{
// If AppendEntries RPC received from new leader: convert to follower.
if (request.Term >= this.persistentState.CurrentTerm)
{
await this.local.BecomeFollowerForTerm(request.Term);
return(await this.local.Role.Append(request));
}
// The requester is from an older term.
this.logger.LogInfo($"Denying append from {request.Leader}.");
return(new AppendResponse {
Success = false, Term = this.persistentState.CurrentTerm
});
}
public async Task LearnsOfNewLeaderThroughAppend()
{
await this.role.Enter();
this.persistentState.CurrentTerm.Returns(_ => 1);
this.persistentState.VotedFor.Returns(_ => this.identity.Id);
this.coordinator.ClearReceivedCalls();
var request = new AppendRequest <int> {
Term = 1
};
await this.role.Append(request);
await this.coordinator.Received().BecomeFollowerForTerm(1);
}
public async Task LearnsOfNewTermThroughAppend()
{
await this.role.Enter();
this.persistentState.CurrentTerm.Returns(_ => 1);
this.persistentState.VotedFor.Returns(_ => this.identity.Id);
this.coordinator.ClearReceivedCalls();
var request = new AppendRequest <int> {
Term = 2
};
await this.role.Append(request);
await this.coordinator.Received().StepDownIfGreaterTerm(request);
}
private void CreateLogSheet(SheetsService service)
{
// Only run this the first time
if (!_First)
{
return;
}
_First = false;
var thisSpreadsheet = service.Spreadsheets.Get(Spreadsheet).Execute();
if (!thisSpreadsheet.Sheets.Any(s => s.Properties.Title == "PixelBotLog"))
{
var newSheetRequest = new AddSheetRequest()
{
Properties = new SheetProperties
{
Title = "PixelBotLog"
}
};
service.Spreadsheets.BatchUpdate(
new BatchUpdateSpreadsheetRequest
{
Requests = new[] {
new Request {
AddSheet = newSheetRequest
}
}
}, Spreadsheet).Execute();
var newRecords = new List <IList <object> >();
var newRow = new List <object>();
newRow.Add("Date");
newRow.Add("Acting User");
newRow.Add("Record Updated");
newRow.Add("Command");
newRow.Add("Pixels Changed");
newRecords.Add(newRow);
AppendRequest appendRequest = service.Spreadsheets.Values.Append(new ValueRange {
Values = newRecords
}, Spreadsheet, "PixelBotLog!A1:E");
appendRequest.InsertDataOption = AppendRequest.InsertDataOptionEnum.INSERTROWS;
appendRequest.ValueInputOption = AppendRequest.ValueInputOptionEnum.USERENTERED;
_ = appendRequest.Execute();
}
}
public void AppendToSheet(Note note, string spreadsheetID, string sheetRange, string attachmentsFolderLink)
{
string spreadsheetId = spreadsheetID;
string range = sheetRange;
AppendRequest.ValueInputOptionEnum valueInputOption = AppendRequest.ValueInputOptionEnum.USERENTERED;
AppendRequest.InsertDataOptionEnum insertDataOption = AppendRequest.InsertDataOptionEnum.INSERTROWS;
var arr = new string[] { note.NoteType, note.NoteContent, note.NoteRecordtime, attachmentsFolderLink };
RequestBody.Values = new List <IList <object> > {
arr
};
Request = service.Spreadsheets.Values.Append(RequestBody, spreadsheetId, range);
Request.ValueInputOption = valueInputOption;
Request.InsertDataOption = insertDataOption;
Request.Execute();
}
public async Task EntrySendsHeartbeat()
{
// Setup: configure grains to always grant votes
this.OnRaftGrainCreated = (id, grain) =>
{
grain.Append(Arg.Any <AppendRequest <int> >())
.Returns(Task.FromResult(new AppendResponse {
Term = 1, Success = true
}));
};
this.persistentState.CurrentTerm.Returns(4);
this.journal.Entries.Add(new LogEntry <int>(new LogEntryId(3, 1), 4));
await this.role.Enter();
// A timer should have been registered for the heartbeat;
this.timers.Registrations.Should().HaveCount(1);
// Fire the timer.
await this.timers[0].Callback(this.timers[0].State);
var expectedRequest = new AppendRequest <int>
{
Leader = this.identity.Id,
Term = this.persistentState.CurrentTerm,
LeaderCommitIndex = this.volatileState.CommitIndex,
PreviousLogEntry = new LogEntryId(3, 1)
};
// Check that all of the followers received a heartbeat request.
foreach (var server in this.members.OtherServers)
{
var grain = this.grainFactory.GetGrain <IRaftGrain <int> >(server);
grain.ReceivedCalls().Should().ContainSingle().Which.IsSameOrEqualTo(expectedRequest);
}
}
public async Task DenyAppendFromPreviousTerm()
{
// Start a follower with some log entries.
this.persistentState.CurrentTerm.Returns(_ => 2);
this.journal.Entries.AddRange(new[] { new LogEntry <int>(new LogEntryId(1, 1), 27) });
await this.role.Enter();
// Attempt to append an entry from a deposed leader.
var request = new AppendRequest <int>
{
Term = 1,
PreviousLogEntry = new LogEntryId(1, 1),
Entries = new List <LogEntry <int> > {
new LogEntry <int>(new LogEntryId(1, 2), 38)
}
};
var response = await this.role.Append(request);
// Check that the call failed and that no new entries were added to the log.
response.Success.Should().BeFalse();
response.Term.Should().Be(2);
response.LastLogEntryId.Should().Be(this.journal.LastLogEntryId);
await this.journal.DidNotReceive().AppendOrOverwrite(Arg.Any <IEnumerable <LogEntry <int> > >());
}
public async Task AppendRemovesConflictingEntries()
{
// Start a follower with some log entries.
this.persistentState.CurrentTerm.Returns(_ => 2);
this.journal.Entries.AddRange(new[] { new LogEntry<int>(new LogEntryId(1, 1), 27) });
await this.role.Enter();
// Attempt to append an entry when the previous entry is not in the log.
var request = new AppendRequest<int>
{
Term = 2,
PreviousLogEntry = default(LogEntryId),
Entries = new List<LogEntry<int>> { new LogEntry<int>(new LogEntryId(2, 1), 38) }
};
var response = await this.role.Append(request);
// Check that the call succeeded and that the old entry was replaced.
response.Success.Should().BeTrue();
response.Term.Should().Be(2);
response.LastLogEntryId.Should().Be(this.journal.LastLogEntryId);
await this.journal.Received().AppendOrOverwrite(request.Entries);
this.journal.Entries.Count.Should().Be(1);
this.journal.Entries[0].Should().Be(request.Entries[0]);
}
public async Task EntrySendsHeartbeat()
{
// Setup: configure grains to always grant votes
this.OnRaftGrainCreated = (id, grain) =>
{
grain.Append(Arg.Any<AppendRequest<int>>())
.Returns(Task.FromResult(new AppendResponse { Term = 1, Success = true }));
};
this.persistentState.CurrentTerm.Returns(4);
this.journal.Entries.Add(new LogEntry<int>(new LogEntryId(3, 1), 4));
await this.role.Enter();
// A timer should have been registered for the heartbeat;
this.timers.Registrations.Should().HaveCount(1);
// Fire the timer.
await this.timers[0].Callback(this.timers[0].State);
var expectedRequest = new AppendRequest<int>
{
Leader = this.identity.Id,
Term = this.persistentState.CurrentTerm,
LeaderCommitIndex = this.volatileState.CommitIndex,
PreviousLogEntry = new LogEntryId(3, 1)
};
// Check that all of the followers received a heartbeat request.
foreach (var server in this.members.OtherServers)
{
var grain = this.grainFactory.GetGrain<IRaftGrain<int>>(server);
grain.ReceivedCalls().Should().ContainSingle().Which.IsSameOrEqualTo(expectedRequest);
}
}
public async Task LearnsOfNewTermThroughAppend()
{
await this.role.Enter();
this.persistentState.CurrentTerm.Returns(_ => 1);
this.persistentState.VotedFor.Returns(_ => this.identity.Id);
this.coordinator.ClearReceivedCalls();
var request = new AppendRequest<int> { Term = 2 };
await this.role.Append(request);
await this.coordinator.Received().StepDownIfGreaterTerm(request);
}
public async Task DoesNotAppendEntries()
{
await this.role.Enter();
this.persistentState.CurrentTerm.Returns(_ => 2);
this.persistentState.VotedFor.Returns(_ => this.identity.Id);
this.coordinator.ClearReceivedCalls();
var request = new AppendRequest<int>
{
Term = 1,
Entries = new List<LogEntry<int>> { new LogEntry<int>(new LogEntryId(1, 1), 8) }
};
// Check that append fails.
var response = await this.role.Append(request);
response.Success.Should().BeFalse();
response.Term.Should().Be(2);
// Check that the no entries were written to the log.
await this.journal.DidNotReceive().AppendOrOverwrite(Arg.Any<IEnumerable<LogEntry<int>>>());
// Check that the role did not transition into a follower.
await this.coordinator.DidNotReceive().BecomeFollowerForTerm(Arg.Any<long>());
}
public Task <AppendResponse> Append(AppendRequest <TOperation> request) => this.coordinator.Role.Append(request);
public async Task <AppendResponse> Append(AppendRequest <TOperation> request)
{
bool success;
// If the request has a higher term than this follower, persist the updated term.
if (request.Term > this.persistentState.CurrentTerm)
{
await this.persistentState.UpdateTermAndVote(null, request.Term);
}
// 1. Reply false if term < currentTerm (§5.1)
if (request.Term < this.persistentState.CurrentTerm)
{
this.logger.LogWarn(
$"Denying append {request}: Term is older than current term, {this.persistentState.CurrentTerm}.");
success = false;
}
// 2. Reply false if log doesn’t contain an entry at prevLogIndex whose term matches prevLogTerm (§5.3)
else if (!this.journal.Contains(request.PreviousLogEntry))
{
this.messagesSinceLastElectionExpiry++;
this.logger.LogWarn(
$"Denying append {request}: Local log does not contain previous entry. "
+ $"Local: {this.journal.ProgressString()}");
success = false;
}
else
{
this.messagesSinceLastElectionExpiry++;
// Set the current leader, so that clients can be redirected.
this.volatileState.LeaderId = request.Leader;
if (request.Entries == null || request.Entries.Count == 0)
{
//this.journalInfo($"heartbeat from {request.Leader}.");
}
else
{
// 3. If an existing entry conflicts with a new one (same index but different terms),
// delete the existing entry and all that follow it (§5.3)
// 4. Append any new entries not already in the log.
await this.journal.AppendOrOverwrite(request.Entries);
this.logger.LogInfo($"Accepted append. Log is now: {this.journal.ProgressString()}");
}
// 5. If leaderCommit > commitIndex, set commitIndex = min(leaderCommit, index of last new entry).
if (request.LeaderCommitIndex > this.volatileState.CommitIndex)
{
this.volatileState.CommitIndex = Math.Min(
request.LeaderCommitIndex,
this.journal.LastLogEntryId.Index);
if (this.settings.ApplyEntriesOnFollowers)
{
// If commitIndex > lastApplied: increment lastApplied, apply log[lastApplied] to state machine(§5.3)
await this.ApplyRemainingCommittedEntries();
}
}
success = true;
}
return(new AppendResponse
{
Success = success,
Term = this.persistentState.CurrentTerm,
LastLogEntryId = this.journal.LastLogEntryId
});
}
private async Task AppendEntriesOnServer(string serverId, FollowerProgress followerProgress)
{
this.callTimer.Restart();
var serverGrain = this.grainFactory.GetGrain <IRaftGrain <TOperation> >(serverId);
while (!this.cancellation.IsCancellationRequested)
{
var nextIndex = followerProgress.NextIndex;
var request = new AppendRequest <TOperation>
{
Leader = this.identity.Id,
LeaderCommitIndex = this.volatileState.CommitIndex,
Term = this.persistentState.CurrentTerm,
Entries =
this.journal.GetCursor((int)Math.Max(0, nextIndex - 1))
.Take(this.settings.MaxLogEntriesPerAppendRequest)
.ToList()
};
if (nextIndex >= 2 && this.journal.LastLogEntryId.Index > nextIndex - 2)
{
request.PreviousLogEntry = this.journal.Get((int)nextIndex - 1).Id;
}
this.lastMessageSentTime = DateTime.UtcNow;
if (request.Entries.Count > 0)
{
this.logger.LogInfo(
$"Replicating to '{serverId}': prev: {request.PreviousLogEntry},"
+ $" entries: [{string.Join(", ", request.Entries.Select(_ => _.Id))}]"
+ $", next: {nextIndex}, match: {followerProgress.MatchIndex}");
}
var response = await serverGrain.Append(request);
if (response.Success)
{
// The follower's log matches the included logs.
var newMatchIndex = Math.Max(
followerProgress.MatchIndex,
(long)request.Entries?.LastOrDefault().Id.Index);
// The send was successful, so the next entry to send is the subsequent entry in the leader's log.
followerProgress.NextIndex = newMatchIndex + 1;
// For efficiency, only consider updating the committedIndex if matchIndex has changed.
if (newMatchIndex != followerProgress.MatchIndex)
{
this.logger.LogInfo(
$"Successfully appended entries {request.Entries?.FirstOrDefault().Id} to {newMatchIndex} on {serverId}");
followerProgress.MatchIndex = newMatchIndex;
this.madeProgress = true;
}
return;
}
this.logger.LogWarn($"Received failure response for append call with term of {response.Term}");
if (await this.coordinator.StepDownIfGreaterTerm(response))
{
// This node is no longer a leader, so retire.
return;
}
if (followerProgress.NextIndex > response.LastLogEntryId.Index)
{
// If the follower is lagging, jump immediately to its last log entry.
followerProgress.NextIndex = response.LastLogEntryId.Index;
this.logger.LogInfo(
$"Follower's last log is {response.LastLogEntryId}, jumping nextIndex to that index.");
}
else if (followerProgress.NextIndex > 0)
{
// Log mismatch, decrement and try again later.
--followerProgress.NextIndex;
this.logger.LogWarn(
$"Log mismatch must have occured on '{serverId}', decrementing nextIndex to {followerProgress.NextIndex}.");
}
// In an attempt to maintain fairness and retain leader status, bail out of catchup if the call has taken
// more than the allotted time.
if (this.callTimer.ElapsedMilliseconds
>= this.settings.HeartbeatTimeoutMilliseconds / (this.membershipProvider.AllServers.Count - 1))
{
this.logger.LogInfo(
$"Bailing on '{serverId}' catch-up due to fairness. Elapsed: {this.callTimer.ElapsedMilliseconds}.");
break;
}
}
}
public async Task <ActionResult <List <int> > > Append([FromBody] AppendRequest request)
{
if (!await _authManager.HasSitePermissionsAsync(request.SiteId,
MenuUtils.SitePermissions.Channels))
{
return(Unauthorized());
}
var site = await _siteRepository.GetAsync(request.SiteId);
if (site == null)
{
return(NotFound());
}
var parent = await _channelRepository.GetAsync(request.ParentId);
if (parent == null)
{
return(this.Error("无法确定父栏目"));
}
var insertedChannelIdHashtable = new Hashtable {
[1] = request.ParentId
}; //key为栏目的级别，1为第一级栏目
var channelTemplateId = request.ChannelTemplateId;
var contentTemplateId = request.ContentTemplateId;
if (request.IsParentTemplates)
{
channelTemplateId = parent.ChannelTemplateId;
contentTemplateId = parent.ContentTemplateId;
}
var channelNames = request.Channels.Split('\n');
IList <string> nodeIndexNameList = null;
var expandedChannelIds = new List <int>
{
request.SiteId
};
foreach (var item in channelNames)
{
if (string.IsNullOrEmpty(item))
{
continue;
}
//count为栏目的级别
var count = StringUtils.GetStartCount('－', item) == 0 ? StringUtils.GetStartCount('-', item) : StringUtils.GetStartCount('－', item);
var channelName = item.Substring(count, item.Length - count);
var indexName = string.Empty;
count++;
if (!string.IsNullOrEmpty(channelName) && insertedChannelIdHashtable.Contains(count))
{
if (request.IsIndexName)
{
indexName = channelName.Trim();
}
if (channelName.Contains('(') && channelName.Contains(')'))
{
var length = channelName.IndexOf(')') - channelName.IndexOf('(');
if (length > 0)
{
indexName = channelName.Substring(channelName.IndexOf('(') + 1, length);
channelName = channelName.Substring(0, channelName.IndexOf('('));
}
}
channelName = channelName.Trim();
indexName = indexName.Trim(' ', '(', ')');
if (!string.IsNullOrEmpty(indexName))
{
if (nodeIndexNameList == null)
{
nodeIndexNameList = (await _channelRepository.GetIndexNamesAsync(request.SiteId)).ToList();
}
if (nodeIndexNameList.Contains(indexName))
{
indexName = string.Empty;
}
else
{
nodeIndexNameList.Add(indexName);
}
}
var parentId = (int)insertedChannelIdHashtable[count];
var insertedChannelId = await _channelRepository.InsertAsync(request.SiteId, parentId, channelName, indexName, parent.ContentModelPluginId, channelTemplateId, contentTemplateId);
insertedChannelIdHashtable[count + 1] = insertedChannelId;
expandedChannelIds.Add(insertedChannelId);
await _createManager.CreateChannelAsync(request.SiteId, insertedChannelId);
}
}
return(expandedChannelIds);
}
public Dictionary <string, object> Append(AppendRequest appendRequest)
{
UserData.ModifyData(DataMethod.Append, appendRequest.Key, appendRequest.Value, null);
return(GetMessage(Status.Ok, null, string.Format("Added to '{0}' successfully", appendRequest.Key)));
}
public void TestConstructors()
{
//var annotation = new Annotation (AnnotationEntry.AltSubject);
//annotation.Properties[AnnotationAttribute.PrivateValue] = string.Format ("Alternate subject");
//var annotations = new Annotation[] { annotation };
var keywords = new string[] { "$Forwarded", "$Junk" };
var keywordSet = new HashSet <string> (keywords);
var flags = MessageFlags.Seen | MessageFlags.Draft;
var internalDate = DateTimeOffset.Now;
var message = new MimeMessage();
AppendRequest request;
request = new AppendRequest(message);
Assert.AreEqual(message, request.Message, "Message #1");
Assert.AreEqual(MessageFlags.None, request.Flags, "Flags #1");
Assert.IsNull(request.Keywords, "Keywords #1");
Assert.IsNull(request.InternalDate, "InternalDate #1");
Assert.IsNull(request.Annotations, "Annotations #1");
request = new AppendRequest(message, flags);
Assert.AreEqual(message, request.Message, "Message #2");
Assert.AreEqual(flags, request.Flags, "Flags #2");
Assert.IsNull(request.Keywords, "Keywords #2");
Assert.IsNull(request.InternalDate, "InternalDate #2");
Assert.IsNull(request.Annotations, "Annotations #2");
request = new AppendRequest(message, flags, keywords);
Assert.AreEqual(message, request.Message, "Message #3");
Assert.AreEqual(flags, request.Flags, "Flags #3");
Assert.IsInstanceOf <HashSet <string> > (request.Keywords, "Keywords Type #3");
Assert.AreEqual(keywords.Length, request.Keywords.Count, "Keywords #3");
Assert.IsNull(request.InternalDate, "InternalDate #3");
Assert.IsNull(request.Annotations, "Annotations #3");
request = new AppendRequest(message, flags, keywordSet);
Assert.AreEqual(message, request.Message, "Message #4");
Assert.AreEqual(flags, request.Flags, "Flags #4");
Assert.IsInstanceOf <HashSet <string> > (request.Keywords, "Keywords Type #4");
Assert.AreEqual(keywordSet, request.Keywords, "Keywords #4");
Assert.IsNull(request.InternalDate, "InternalDate #4");
Assert.IsNull(request.Annotations, "Annotations #4");
request = new AppendRequest(message, flags, internalDate);
Assert.AreEqual(message, request.Message, "Message #5");
Assert.AreEqual(flags, request.Flags, "Flags #5");
Assert.IsNull(request.Keywords, "Keywords #5");
Assert.AreEqual(internalDate, request.InternalDate.Value, "InternalDate #5");
Assert.IsNull(request.Annotations, "Annotations #5");
request = new AppendRequest(message, flags, keywords, internalDate);
Assert.AreEqual(message, request.Message, "Message #6");
Assert.AreEqual(flags, request.Flags, "Flags #6");
Assert.IsInstanceOf <HashSet <string> > (request.Keywords, "Keywords Type #6");
Assert.AreEqual(keywords.Length, request.Keywords.Count, "Keywords #6");
Assert.AreEqual(internalDate, request.InternalDate.Value, "InternalDate #6");
Assert.IsNull(request.Annotations, "Annotations #6");
request = new AppendRequest(message, flags, keywordSet, internalDate);
Assert.AreEqual(message, request.Message, "Message #7");
Assert.AreEqual(flags, request.Flags, "Flags #7");
Assert.IsInstanceOf <HashSet <string> > (request.Keywords, "Keywords Type #7");
Assert.AreEqual(keywordSet, request.Keywords, "Keywords #7");
Assert.AreEqual(internalDate, request.InternalDate.Value, "InternalDate #7");
Assert.IsNull(request.Annotations, "Annotations #7");
}
public async Task DenyAppendIfPreviousEntryNotInLog()
{
// Start a follower with some log entries.
this.persistentState.CurrentTerm.Returns(_ => 2);
this.journal.Entries.AddRange(
new[] { new LogEntry<int>(new LogEntryId(1, 1), 27), new LogEntry<int>(new LogEntryId(2, 2), 45) });
await this.role.Enter();
// Attempt to append an entry when the previous entry is not in the log.
var request = new AppendRequest<int>
{
Term = 2,
PreviousLogEntry = new LogEntryId(2, 3),
Entries = new List<LogEntry<int>> { new LogEntry<int>(new LogEntryId(2, 4), 38) }
};
var response = await this.role.Append(request);
// Check that the call failed and that no new entries were added to the log.
response.Success.Should().BeFalse();
response.Term.Should().Be(2);
response.LastLogEntryId.Should().Be(this.journal.LastLogEntryId);
await this.journal.DidNotReceive().AppendOrOverwrite(Arg.Any<IEnumerable<LogEntry<int>>>());
await this.persistentState.DidNotReceive().UpdateTermAndVote(Arg.Any<string>(), Arg.Any<long>());
}
public async Task LearnsOfNewTermThroughAppend()
{
// Start a follower in term 1.
this.persistentState.CurrentTerm.Returns(_ => 1);
this.journal.Entries.AddRange(new[] { new LogEntry<int>(new LogEntryId(1, 1), 27) });
await this.role.Enter();
// Append an entry from a new term.
var request = new AppendRequest<int>
{
Term = 2,
PreviousLogEntry = new LogEntryId(1, 1),
Entries = new List<LogEntry<int>> { new LogEntry<int>(new LogEntryId(2, 2), 38) }
};
var response = await this.role.Append(request);
// Check that the call succeeded and that the log entries were written.
response.Success.Should().BeTrue();
response.Term.Should().Be(2);
response.LastLogEntryId.Should().Be(this.journal.LastLogEntryId);
await this.journal.Received().AppendOrOverwrite(Arg.Any<IEnumerable<LogEntry<int>>>());
this.journal.Entries.Skip(1).Should().BeEquivalentTo(request.Entries);
// Ensure that the term was updated.
await this.persistentState.Received().UpdateTermAndVote(null, 2);
}
public async Task DenyAppendFromPreviousTerm()
{
// Start a follower with some log entries.
this.persistentState.CurrentTerm.Returns(_ => 2);
this.journal.Entries.AddRange(new[] { new LogEntry<int>(new LogEntryId(1, 1), 27) });
await this.role.Enter();
// Attempt to append an entry from a deposed leader.
var request = new AppendRequest<int>
{
Term = 1,
PreviousLogEntry = new LogEntryId(1, 1),
Entries = new List<LogEntry<int>> { new LogEntry<int>(new LogEntryId(1, 2), 38) }
};
var response = await this.role.Append(request);
// Check that the call failed and that no new entries were added to the log.
response.Success.Should().BeFalse();
response.Term.Should().Be(2);
response.LastLogEntryId.Should().Be(this.journal.LastLogEntryId);
await this.journal.DidNotReceive().AppendOrOverwrite(Arg.Any<IEnumerable<LogEntry<int>>>());
}
/// <summary>
/// Appends some entries to the log, specifying that some entries are also committed on the leader.
/// </summary>
/// <returns>A <see cref="Task"/> representing the work performed.</returns>
private async Task AppendValidEntriesWithSomeCommitted()
{
this.persistentState.CurrentTerm.Returns(_ => 1);
this.journal.Entries.Add(new LogEntry<int>(new LogEntryId(1, 1), 27));
// Become a follower
await this.role.Enter();
// Append some entries.
var request = new AppendRequest<int>
{
Term = 1,
PreviousLogEntry = this.journal.LastLogEntryId,
Entries =
new List<LogEntry<int>>
{
new LogEntry<int>(new LogEntryId(1, 2), 38),
new LogEntry<int>(new LogEntryId(1, 3), 98)
},
LeaderCommitIndex = 2
};
var response = await this.role.Append(request);
// Check that the call succeeded and that the entries were written to the log.
response.Success.Should().BeTrue();
response.Term.Should().Be(1);
await this.journal.Received().AppendOrOverwrite(Arg.Any<IEnumerable<LogEntry<int>>>());
this.journal.Entries.Skip(1).Should().BeEquivalentTo(request.Entries);
// If a follower is in the same term as the leader, a call to UpdateTermAndVote should not occur.
await this.persistentState.DidNotReceive().UpdateTermAndVote(Arg.Any<string>(), Arg.Any<long>());
}
public async Task LearnsOfNewLeaderThroughAppend()
{
await this.role.Enter();
this.persistentState.CurrentTerm.Returns(_ => 1);
this.persistentState.VotedFor.Returns(_ => this.identity.Id);
this.coordinator.ClearReceivedCalls();
var request = new AppendRequest<int> { Term = 1 };
await this.role.Append(request);
await this.coordinator.Received().BecomeFollowerForTerm(1);
}