/// <exception cref="System.IO.IOException"/>
public virtual void ReadFields(DataInput @in)
{
numActiveTrackers = @in.ReadInt();
int numTrackerNames = @in.ReadInt();
if (numTrackerNames > 0)
{
for (int i = 0; i < numTrackerNames; i++)
{
string name = StringInterner.WeakIntern(Org.Apache.Hadoop.IO.Text.ReadString(@in)
);
activeTrackers.AddItem(name);
}
}
numBlacklistedTrackers = @in.ReadInt();
int blackListTrackerInfoSize = @in.ReadInt();
if (blackListTrackerInfoSize > 0)
{
for (int i = 0; i < blackListTrackerInfoSize; i++)
{
ClusterStatus.BlackListInfo info = new ClusterStatus.BlackListInfo();
info.ReadFields(@in);
blacklistedTrackersInfo.AddItem(info);
}
}
numExcludedNodes = @in.ReadInt();
ttExpiryInterval = @in.ReadLong();
map_tasks = @in.ReadInt();
reduce_tasks = @in.ReadInt();
max_map_tasks = @in.ReadInt();
max_reduce_tasks = @in.ReadInt();
status = WritableUtils.ReadEnum <Cluster.JobTrackerStatus>(@in);
grayListedTrackers = @in.ReadInt();
}
/// <exception cref="System.IO.IOException"/>
public virtual void ReadFields(DataInput @in)
{
this.taskid.ReadFields(@in);
this.progress = @in.ReadFloat();
this.state = StringInterner.WeakIntern(Text.ReadString(@in));
this.startTime = @in.ReadLong();
this.finishTime = @in.ReadLong();
diagnostics = WritableUtils.ReadStringArray(@in);
counters = new Counters();
counters.ReadFields(@in);
currentStatus = WritableUtils.ReadEnum <TIPStatus>(@in);
if (currentStatus == TIPStatus.Running)
{
int num = WritableUtils.ReadVInt(@in);
for (int i = 0; i < num; i++)
{
TaskAttemptID t = new TaskAttemptID();
t.ReadFields(@in);
runningAttempts.AddItem(t);
}
}
else
{
if (currentStatus == TIPStatus.Complete)
{
successfulAttempt.ReadFields(@in);
}
}
}
/// <exception cref="System.IO.IOException"/>
public virtual void ReadFields(DataInput @in)
{
lock (this)
{
this.jobid = new JobID();
this.jobid.ReadFields(@in);
this.setupProgress = @in.ReadFloat();
this.mapProgress = @in.ReadFloat();
this.reduceProgress = @in.ReadFloat();
this.cleanupProgress = @in.ReadFloat();
this.runState = WritableUtils.ReadEnum <JobStatus.State>(@in);
this.startTime = @in.ReadLong();
this.user = StringInterner.WeakIntern(Text.ReadString(@in));
this.priority = WritableUtils.ReadEnum <JobPriority>(@in);
this.schedulingInfo = StringInterner.WeakIntern(Text.ReadString(@in));
this.finishTime = @in.ReadLong();
this.isRetired = @in.ReadBoolean();
this.historyFile = StringInterner.WeakIntern(Text.ReadString(@in));
this.jobName = StringInterner.WeakIntern(Text.ReadString(@in));
this.trackingUrl = StringInterner.WeakIntern(Text.ReadString(@in));
this.jobFile = StringInterner.WeakIntern(Text.ReadString(@in));
this.isUber = @in.ReadBoolean();
// De-serialize the job's ACLs
int numACLs = @in.ReadInt();
for (int i = 0; i < numACLs; i++)
{
JobACL aclType = WritableUtils.ReadEnum <JobACL>(@in);
AccessControlList acl = new AccessControlList(" ");
acl.ReadFields(@in);
this.jobACLs[aclType] = acl;
}
}
}
private void HandleJobFailedEvent(JobUnsuccessfulCompletionEvent @event)
{
info.finishTime = @event.GetFinishTime();
info.finishedMaps = @event.GetFinishedMaps();
info.finishedReduces = @event.GetFinishedReduces();
info.jobStatus = StringInterner.WeakIntern(@event.GetStatus());
info.errorInfo = StringInterner.WeakIntern(@event.GetDiagnostics());
}
private void HandleTaskFailedEvent(TaskFailedEvent @event)
{
JobHistoryParser.TaskInfo taskInfo = info.tasksMap[@event.GetTaskId()];
taskInfo.status = TaskStatus.State.Failed.ToString();
taskInfo.finishTime = @event.GetFinishTime();
taskInfo.error = StringInterner.WeakIntern(@event.GetError());
taskInfo.failedDueToAttemptId = @event.GetFailedAttemptID();
taskInfo.counters = @event.GetCounters();
}
/// <exception cref="System.IO.IOException"/>
public virtual void ReadFields(DataInput @in)
{
jobid.ReadFields(@in);
this.jobFile = StringInterner.WeakIntern(Text.ReadString(@in));
this.url = StringInterner.WeakIntern(Text.ReadString(@in));
this.user = StringInterner.WeakIntern(Text.ReadString(@in));
this.name = StringInterner.WeakIntern(Text.ReadString(@in));
this.queueName = StringInterner.WeakIntern(Text.ReadString(@in));
}
/// <exception cref="System.IO.IOException"/>
public override void ReadFields(DataInput @in)
{
lock (this)
{
name = StringInterner.WeakIntern(Text.ReadString(@in));
displayName = @in.ReadBoolean() ? StringInterner.WeakIntern(Text.ReadString(@in))
: name;
value = WritableUtils.ReadVLong(@in);
}
}
private void HandleJobSubmittedEvent(JobSubmittedEvent @event)
{
info.jobid = @event.GetJobId();
info.jobname = @event.GetJobName();
info.username = StringInterner.WeakIntern(@event.GetUserName());
info.submitTime = @event.GetSubmitTime();
info.jobConfPath = @event.GetJobConfPath();
info.jobACLs = @event.GetJobAcls();
info.jobQueueName = StringInterner.WeakIntern(@event.GetJobQueueName());
}
public ContainerRemoteLaunchEvent(TaskAttemptId taskAttemptID, ContainerLaunchContext
containerLaunchContext, Container allocatedContainer, Task remoteTask)
: base(taskAttemptID, allocatedContainer.GetId(), StringInterner.WeakIntern(allocatedContainer
.GetNodeId().ToString()), allocatedContainer.GetContainerToken(), ContainerLauncher.EventType
.ContainerRemoteLaunch)
{
this.allocatedContainer = allocatedContainer;
this.containerLaunchContext = containerLaunchContext;
this.task = remoteTask;
}
public virtual void TestWeakIntern()
{
string weakInternLiteralABC = StringInterner.WeakIntern("ABC");
string weakInternSubstringABC = StringInterner.WeakIntern(Runtime.Substring
("ABCDE", 0, 3));
string weakInternHeapABC = StringInterner.WeakIntern(new string("ABC"));
NUnit.Framework.Assert.AreSame(weakInternLiteralABC, weakInternSubstringABC);
NUnit.Framework.Assert.AreSame(weakInternLiteralABC, weakInternHeapABC);
NUnit.Framework.Assert.AreSame(weakInternSubstringABC, weakInternHeapABC);
}
private void HandleTaskAttemptFinishedEvent(TaskAttemptFinishedEvent @event)
{
JobHistoryParser.TaskInfo taskInfo = info.tasksMap[@event.GetTaskId()];
JobHistoryParser.TaskAttemptInfo attemptInfo = taskInfo.attemptsMap[@event.GetAttemptId
()];
attemptInfo.finishTime = @event.GetFinishTime();
attemptInfo.status = StringInterner.WeakIntern(@event.GetTaskStatus());
attemptInfo.state = StringInterner.WeakIntern(@event.GetState());
attemptInfo.counters = @event.GetCounters();
attemptInfo.hostname = StringInterner.WeakIntern(@event.GetHostname());
info.completedTaskAttemptsMap[@event.GetAttemptId()] = attemptInfo;
}
/// <exception cref="System.IO.IOException"/>
public virtual void ReadFields(DataInput @in)
{
lock (this)
{
int version = WritableUtils.ReadVInt(@in);
if (version != groupFactory.Version())
{
throw new IOException("Counters version mismatch, expected " + groupFactory.Version
() + " got " + version);
}
int numFGroups = WritableUtils.ReadVInt(@in);
fgroups.Clear();
AbstractCounters.GroupType[] groupTypes = AbstractCounters.GroupType.Values();
while (numFGroups-- > 0)
{
AbstractCounters.GroupType groupType = groupTypes[WritableUtils.ReadVInt(@in)];
G group;
switch (groupType)
{
case AbstractCounters.GroupType.Filesystem:
{
// with nothing
group = groupFactory.NewFileSystemGroup();
break;
}
case AbstractCounters.GroupType.Framework:
{
// with group id
group = groupFactory.NewFrameworkGroup(WritableUtils.ReadVInt(@in));
break;
}
default:
{
// Silence dumb compiler, as it would've thrown earlier
throw new IOException("Unexpected counter group type: " + groupType);
}
}
group.ReadFields(@in);
fgroups[group.GetName()] = group;
}
int numGroups = WritableUtils.ReadVInt(@in);
while (numGroups-- > 0)
{
limits.CheckGroups(groups.Count + 1);
G group = groupFactory.NewGenericGroup(StringInterner.WeakIntern(Text.ReadString(
@in)), null, limits);
group.ReadFields(@in);
groups[group.GetName()] = group;
}
}
}
/// <exception cref="System.IO.IOException"/>
private Type ReadClass(DataInput @in)
{
string className = StringInterner.WeakIntern(Text.ReadString(@in));
try
{
return(conf.GetClassByName(className));
}
catch (TypeLoadException e)
{
throw new RuntimeException("readObject can't find class", e);
}
}
static void Main()
{
// this line is to defeat the inbuilt compiler interner
char[] test = { 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd' };
string a = new string(test), b = new string(test);
Console.WriteLine(ReferenceEquals(a, b)); // false
StringInterner cache = new StringInterner();
string c = cache[a], d = cache[b];
Console.WriteLine(ReferenceEquals(c, d)); // true
}
// found nothing
/// <summary>Parse a pre 0.21 counters string into a counter object.</summary>
/// <?/>
/// <?/>
/// <?/>
/// <param name="compactString">to parse</param>
/// <param name="counters">an empty counters object to hold the result</param>
/// <returns>the counters object holding the result</returns>
/// <exception cref="Sharpen.ParseException"/>
public static T ParseEscapedCompactString <C, G, T>(string compactString, T counters
)
where C : Counter
where G : CounterGroupBase <C>
where T : AbstractCounters <C, G>
{
IntWritable index = new IntWritable(0);
// Get the group to work on
string groupString = GetBlock(compactString, GroupOpen, GroupClose, index);
while (groupString != null)
{
IntWritable groupIndex = new IntWritable(0);
// Get the actual name
string groupName = StringInterner.WeakIntern(GetBlock(groupString, UnitOpen, UnitClose
, groupIndex));
groupName = StringInterner.WeakIntern(Unescape(groupName));
// Get the display name
string groupDisplayName = StringInterner.WeakIntern(GetBlock(groupString, UnitOpen
, UnitClose, groupIndex));
groupDisplayName = StringInterner.WeakIntern(Unescape(groupDisplayName));
// Get the counters
G group = counters.GetGroup(groupName);
group.SetDisplayName(groupDisplayName);
string counterString = GetBlock(groupString, CounterOpen, CounterClose, groupIndex
);
while (counterString != null)
{
IntWritable counterIndex = new IntWritable(0);
// Get the actual name
string counterName = StringInterner.WeakIntern(GetBlock(counterString, UnitOpen,
UnitClose, counterIndex));
counterName = StringInterner.WeakIntern(Unescape(counterName));
// Get the display name
string counterDisplayName = StringInterner.WeakIntern(GetBlock(counterString, UnitOpen
, UnitClose, counterIndex));
counterDisplayName = StringInterner.WeakIntern(Unescape(counterDisplayName));
// Get the value
long value = long.Parse(GetBlock(counterString, UnitOpen, UnitClose, counterIndex
));
// Add the counter
Counter counter = group.FindCounter(counterName);
counter.SetDisplayName(counterDisplayName);
counter.Increment(value);
// Get the next counter
counterString = GetBlock(groupString, CounterOpen, CounterClose, groupIndex);
}
groupString = GetBlock(compactString, GroupOpen, GroupClose, index);
}
return(counters);
}
public void SameInstancesStayTheSame()
{
// Arrange
var aBefore = "a";
var bBefore = aBefore;
var interner = new StringInterner();
// Act
var aAfter = interner.Intern(aBefore);
var bAfter = interner.Intern(aBefore);
// Assert
Assert.Same(aBefore, bBefore);
Assert.Same(aAfter, bAfter);
}
public static void AddToEnvironment(IDictionary <string, string> environment, string
variable, string value, string classPathSeparator)
{
string val = environment[variable];
if (val == null)
{
val = value;
}
else
{
val = val + classPathSeparator + value;
}
environment[StringInterner.WeakIntern(variable)] = StringInterner.WeakIntern(val);
}
public void DifferentInstancesBecomeTheSame()
{
// Arrange
var aBefore = new StringBuilder("a").Append("b").ToString();
var bBefore = new StringBuilder("a").Append("b").ToString();
var interner = new StringInterner();
// Act
var aAfter = interner.Intern(aBefore);
var bAfter = interner.Intern(aBefore);
// Assert
Assert.NotSame(aBefore, bBefore);
Assert.Same(aAfter, bAfter);
}
private void HandleAMStartedEvent(AMStartedEvent @event)
{
JobHistoryParser.AMInfo amInfo = new JobHistoryParser.AMInfo();
amInfo.appAttemptId = @event.GetAppAttemptId();
amInfo.startTime = @event.GetStartTime();
amInfo.containerId = @event.GetContainerId();
amInfo.nodeManagerHost = StringInterner.WeakIntern(@event.GetNodeManagerHost());
amInfo.nodeManagerPort = @event.GetNodeManagerPort();
amInfo.nodeManagerHttpPort = @event.GetNodeManagerHttpPort();
if (info.amInfos == null)
{
info.amInfos = new List <JobHistoryParser.AMInfo>();
}
info.amInfos.AddItem(amInfo);
info.latestAmInfo = amInfo;
}
/// <exception cref="System.IO.IOException"/>
public virtual void ReadFields(DataInput @in)
{
lock (this)
{
displayName = StringInterner.WeakIntern(Text.ReadString(@in));
counters.Clear();
int size = WritableUtils.ReadVInt(@in);
for (int i = 0; i < size; i++)
{
T counter = NewCounter();
counter.ReadFields(@in);
counters[counter.GetName()] = counter;
limits.IncrCounters();
}
}
}
private void HandleTaskAttemptStartedEvent(TaskAttemptStartedEvent @event)
{
TaskAttemptID attemptId = @event.GetTaskAttemptId();
JobHistoryParser.TaskInfo taskInfo = info.tasksMap[@event.GetTaskId()];
JobHistoryParser.TaskAttemptInfo attemptInfo = new JobHistoryParser.TaskAttemptInfo
();
attemptInfo.startTime = @event.GetStartTime();
attemptInfo.attemptId = @event.GetTaskAttemptId();
attemptInfo.httpPort = @event.GetHttpPort();
attemptInfo.trackerName = StringInterner.WeakIntern(@event.GetTrackerName());
attemptInfo.taskType = @event.GetTaskType();
attemptInfo.shufflePort = @event.GetShufflePort();
attemptInfo.containerId = @event.GetContainerId();
taskInfo.attemptsMap[attemptId] = attemptInfo;
}
/// <exception cref="System.IO.IOException"/>
public virtual void ReadFields(DataInput @in)
{
this.taskid.ReadFields(@in);
SetProgress(@in.ReadFloat());
this.numSlots = @in.ReadInt();
this.runState = WritableUtils.ReadEnum <TaskStatus.State>(@in);
SetDiagnosticInfo(StringInterner.WeakIntern(Text.ReadString(@in)));
SetStateString(StringInterner.WeakIntern(Text.ReadString(@in)));
this.phase = WritableUtils.ReadEnum <TaskStatus.Phase>(@in);
this.startTime = @in.ReadLong();
this.finishTime = @in.ReadLong();
counters = new Counters();
this.includeAllCounters = @in.ReadBoolean();
this.outputSize = @in.ReadLong();
counters.ReadFields(@in);
nextRecordRange.ReadFields(@in);
}
/// <exception cref="System.IO.IOException"/>
public virtual void ReportDiagnosticInfo(TaskAttemptID taskAttemptID, string diagnosticInfo
)
{
diagnosticInfo = StringInterner.WeakIntern(diagnosticInfo);
Log.Info("Diagnostics report from " + taskAttemptID.ToString() + ": " + diagnosticInfo
);
TaskAttemptId attemptID = TypeConverter.ToYarn(taskAttemptID);
taskHeartbeatHandler.Progressing(attemptID);
// This is mainly used for cases where we want to propagate exception traces
// of tasks that fail.
// This call exists as a hadoop mapreduce legacy wherein all changes in
// counters/progress/phase/output-size are reported through statusUpdate()
// call but not diagnosticInformation.
context.GetEventHandler().Handle(new TaskAttemptDiagnosticsUpdateEvent(attemptID,
diagnosticInfo));
}
private void HandleTaskAttemptFailedEvent(TaskAttemptUnsuccessfulCompletionEvent
@event)
{
JobHistoryParser.TaskInfo taskInfo = info.tasksMap[@event.GetTaskId()];
if (taskInfo == null)
{
Log.Warn("TaskInfo is null for TaskAttemptUnsuccessfulCompletionEvent" + " taskId: "
+ @event.GetTaskId().ToString());
return;
}
JobHistoryParser.TaskAttemptInfo attemptInfo = taskInfo.attemptsMap[@event.GetTaskAttemptId
()];
if (attemptInfo == null)
{
Log.Warn("AttemptInfo is null for TaskAttemptUnsuccessfulCompletionEvent" + " taskAttemptId: "
+ @event.GetTaskAttemptId().ToString());
return;
}
attemptInfo.finishTime = @event.GetFinishTime();
attemptInfo.error = StringInterner.WeakIntern(@event.GetError());
attemptInfo.status = StringInterner.WeakIntern(@event.GetTaskStatus());
attemptInfo.hostname = StringInterner.WeakIntern(@event.GetHostname());
attemptInfo.port = @event.GetPort();
attemptInfo.rackname = StringInterner.WeakIntern(@event.GetRackName());
attemptInfo.shuffleFinishTime = @event.GetFinishTime();
attemptInfo.sortFinishTime = @event.GetFinishTime();
attemptInfo.mapFinishTime = @event.GetFinishTime();
attemptInfo.counters = @event.GetCounters();
if (TaskStatus.State.Succeeded.ToString().Equals(taskInfo.status))
{
//this is a successful task
if (attemptInfo.GetAttemptId().Equals(taskInfo.GetSuccessfulAttemptId()))
{
// the failed attempt is the one that made this task successful
// so its no longer successful. Reset fields set in
// handleTaskFinishedEvent()
taskInfo.counters = null;
taskInfo.finishTime = -1;
taskInfo.status = null;
taskInfo.successfulAttemptId = null;
}
}
info.completedTaskAttemptsMap[@event.GetTaskAttemptId()] = attemptInfo;
}
internal static Counters FromAvro(JhCounters counters)
{
Counters result = new Counters();
if (counters != null)
{
foreach (JhCounterGroup g in counters.groups)
{
CounterGroup group = result.AddGroup(StringInterner.WeakIntern(g.name.ToString())
, StringInterner.WeakIntern(g.displayName.ToString()));
foreach (JhCounter c in g.counts)
{
group.AddCounter(StringInterner.WeakIntern(c.name.ToString()), StringInterner.WeakIntern
(c.displayName.ToString()), c.value);
}
}
}
return(result);
}
/// <exception cref="System.IO.IOException"/>
public virtual void ReadFields(DataInput @in)
{
queueName = StringInterner.WeakIntern(Text.ReadString(@in));
queueState = WritableUtils.ReadEnum <QueueState>(@in);
schedulingInfo = StringInterner.WeakIntern(Text.ReadString(@in));
int length = @in.ReadInt();
stats = new JobStatus[length];
for (int i = 0; i < length; i++)
{
stats[i] = new JobStatus();
stats[i].ReadFields(@in);
}
int count = @in.ReadInt();
children.Clear();
for (int i_1 = 0; i_1 < count; i_1++)
{
Org.Apache.Hadoop.Mapreduce.QueueInfo childQueueInfo = new Org.Apache.Hadoop.Mapreduce.QueueInfo
();
childQueueInfo.ReadFields(@in);
children.AddItem(childQueueInfo);
}
}
static UsageDataMessage FetchDataForUpload(SQLiteConnection connection, bool fetchIncompleteSessions)
{
UsageDataMessage message = new UsageDataMessage();
// Retrieve the User ID
using (SQLiteCommand cmd = connection.CreateCommand()) {
cmd.CommandText = "SELECT value FROM Properties WHERE name = 'userID';";
string userID = (string)cmd.ExecuteScalar();
message.UserID = new Guid(userID);
}
// Retrieve the list of sessions
using (SQLiteCommand cmd = connection.CreateCommand()) {
if (fetchIncompleteSessions) {
cmd.CommandText = @"SELECT id, startTime, endTime FROM Sessions;";
} else {
// Fetch all sessions which are either closed or inactive for more than 24 hours
cmd.CommandText = @"SELECT id, startTime, endTime FROM Sessions
WHERE (endTime IS NOT NULL)
OR (ifnull((SELECT max(time) FROM FeatureUses WHERE FeatureUses.session = Sessions.id), Sessions.startTime)
< datetime('now','-1 day'));";
}
using (SQLiteDataReader reader = cmd.ExecuteReader()) {
while (reader.Read()) {
UsageDataSession session = new UsageDataSession();
session.SessionID = reader.GetInt64(0);
session.StartTime = reader.GetDateTime(1);
if (!reader.IsDBNull(2))
session.EndTime = reader.GetDateTime(2);
message.Sessions.Add(session);
}
}
}
string commaSeparatedSessionIDList = GetCommaSeparatedIDList(message.Sessions);
StringInterner stringInterning = new StringInterner();
// Retrieve the environment
using (SQLiteCommand cmd = connection.CreateCommand()) {
cmd.CommandText = "SELECT session, name, value FROM Environment WHERE session IN (" + commaSeparatedSessionIDList + ");";
using (SQLiteDataReader reader = cmd.ExecuteReader()) {
while (reader.Read()) {
long sessionID = reader.GetInt64(0);
UsageDataSession session = message.FindSession(sessionID);
session.EnvironmentProperties.Add(
new UsageDataEnvironmentProperty {
Name = stringInterning.Intern(reader.GetString(1)),
Value = stringInterning.Intern(reader.GetString(2))
});
}
}
}
// Retrieve the feature uses
using (SQLiteCommand cmd = connection.CreateCommand()) {
cmd.CommandText = "SELECT session, time, endTime, feature, activationMethod FROM FeatureUses WHERE session IN (" + commaSeparatedSessionIDList + ");";
using (SQLiteDataReader reader = cmd.ExecuteReader()) {
while (reader.Read()) {
long sessionID = reader.GetInt64(0);
UsageDataSession session = message.FindSession(sessionID);
UsageDataFeatureUse featureUse = new UsageDataFeatureUse();
featureUse.Time = reader.GetDateTime(1);
if (!reader.IsDBNull(2))
featureUse.EndTime = reader.GetDateTime(2);
featureUse.FeatureName = stringInterning.Intern(reader.GetString(3));
if (!reader.IsDBNull(4))
featureUse.ActivationMethod = stringInterning.Intern(reader.GetString(4));
session.FeatureUses.Add(featureUse);
}
}
}
// Retrieve the exceptions
using (SQLiteCommand cmd = connection.CreateCommand()) {
cmd.CommandText = "SELECT session, time, type, stackTrace FROM Exceptions WHERE session IN (" + commaSeparatedSessionIDList + ");";
using (SQLiteDataReader reader = cmd.ExecuteReader()) {
while (reader.Read()) {
long sessionID = reader.GetInt64(0);
UsageDataSession session = message.FindSession(sessionID);
UsageDataException exception = new UsageDataException();
exception.Time = reader.GetDateTime(1);
exception.ExceptionType = stringInterning.Intern(reader.GetString(2));
if (!reader.IsDBNull(3))
exception.StackTrace = stringInterning.Intern(reader.GetString(3));
session.Exceptions.Add(exception);
}
}
}
return message;
}
/// <exception cref="System.IO.IOException"/>
public virtual void ReadFields(DataInput @in)
{
queueName = StringInterner.WeakIntern(Text.ReadString(@in));
operations = WritableUtils.ReadStringArray(@in);
}
/// <exception cref="System.IO.IOException"/>
public virtual void ReadFields(DataInput @in)
{
trackerName = StringInterner.WeakIntern(Text.ReadString(@in));
reasonForBlackListing = StringInterner.WeakIntern(Text.ReadString(@in));
blackListReport = StringInterner.WeakIntern(Text.ReadString(@in));
}
static UsageDataMessage FetchDataForUpload(SQLiteConnection connection, bool fetchIncompleteSessions)
{
UsageDataMessage message = new UsageDataMessage();
// Retrieve the User ID
using (SQLiteCommand cmd = connection.CreateCommand()) {
cmd.CommandText = "SELECT value FROM Properties WHERE name = 'userID';";
string userID = (string)cmd.ExecuteScalar();
message.UserID = new Guid(userID);
}
// Retrieve the list of sessions
using (SQLiteCommand cmd = connection.CreateCommand()) {
if (fetchIncompleteSessions)
{
cmd.CommandText = @"SELECT id, startTime, endTime FROM Sessions;";
}
else
{
// Fetch all sessions which are either closed or inactive for more than 24 hours
cmd.CommandText = @"SELECT id, startTime, endTime FROM Sessions
WHERE (endTime IS NOT NULL)
OR (ifnull((SELECT max(time) FROM FeatureUses WHERE FeatureUses.session = Sessions.id), Sessions.startTime)
< datetime('now','-1 day'));" ;
}
using (SQLiteDataReader reader = cmd.ExecuteReader()) {
while (reader.Read())
{
UsageDataSession session = new UsageDataSession();
session.SessionID = reader.GetInt64(0);
session.StartTime = reader.GetDateTime(1);
if (!reader.IsDBNull(2))
{
session.EndTime = reader.GetDateTime(2);
}
message.Sessions.Add(session);
}
}
}
string commaSeparatedSessionIDList = GetCommaSeparatedIDList(message.Sessions);
StringInterner stringInterning = new StringInterner();
// Retrieve the environment
using (SQLiteCommand cmd = connection.CreateCommand()) {
cmd.CommandText = "SELECT session, name, value FROM Environment WHERE session IN (" + commaSeparatedSessionIDList + ");";
using (SQLiteDataReader reader = cmd.ExecuteReader()) {
while (reader.Read())
{
long sessionID = reader.GetInt64(0);
UsageDataSession session = message.FindSession(sessionID);
session.EnvironmentProperties.Add(
new UsageDataEnvironmentProperty {
Name = stringInterning.Intern(reader.GetString(1)),
Value = stringInterning.Intern(reader.GetString(2))
});
}
}
}
// Retrieve the feature uses
using (SQLiteCommand cmd = connection.CreateCommand()) {
cmd.CommandText = "SELECT session, time, endTime, feature, activationMethod FROM FeatureUses WHERE session IN (" + commaSeparatedSessionIDList + ");";
using (SQLiteDataReader reader = cmd.ExecuteReader()) {
while (reader.Read())
{
long sessionID = reader.GetInt64(0);
UsageDataSession session = message.FindSession(sessionID);
UsageDataFeatureUse featureUse = new UsageDataFeatureUse();
featureUse.Time = reader.GetDateTime(1);
if (!reader.IsDBNull(2))
{
featureUse.EndTime = reader.GetDateTime(2);
}
featureUse.FeatureName = stringInterning.Intern(reader.GetString(3));
if (!reader.IsDBNull(4))
{
featureUse.ActivationMethod = stringInterning.Intern(reader.GetString(4));
}
session.FeatureUses.Add(featureUse);
}
}
}
// Retrieve the exceptions
using (SQLiteCommand cmd = connection.CreateCommand()) {
cmd.CommandText = "SELECT session, time, type, stackTrace FROM Exceptions WHERE session IN (" + commaSeparatedSessionIDList + ");";
using (SQLiteDataReader reader = cmd.ExecuteReader()) {
while (reader.Read())
{
long sessionID = reader.GetInt64(0);
UsageDataSession session = message.FindSession(sessionID);
UsageDataException exception = new UsageDataException();
exception.Time = reader.GetDateTime(1);
exception.ExceptionType = stringInterning.Intern(reader.GetString(2));
if (!reader.IsDBNull(3))
{
exception.StackTrace = stringInterning.Intern(reader.GetString(3));
}
session.Exceptions.Add(exception);
}
}
}
return(message);
}
private string Intern(string key)
{
return(StringInterner.WeakIntern(key));
}
