/// <summary>
/// Try to create a PartialSymbol from a string.
/// </summary>
/// <returns>Return the parser result indicating success, or what was wrong with the parsing.</returns>
public static ParseResult TryCreate <T>(StringTable table, T partialSymbol, out PartialSymbol result, out int characterWithError)
where T : struct, ICharSpan <T>
{
Contract.Requires(table != null);
Contract.Ensures((Contract.Result <ParseResult>() == ParseResult.Success) == Contract.ValueAtReturn(out result).IsValid);
using (var wrap = Pools.GetStringIdList())
{
List <StringId> components = wrap.Instance;
int index = 0;
int start = 0;
int last = partialSymbol.Length - 1;
while (index < partialSymbol.Length)
{
var ch = partialSymbol[index];
// trivial reject of invalid characters
if (!SymbolCharacters.IsValidDottedIdentifierChar(ch))
{
characterWithError = index;
result = Invalid;
return(ParseResult.FailureDueToInvalidCharacter);
}
if (ch == SymbolCharacters.DottedIdentifierSeparatorChar)
{
// found a component separator
if (index == start || index == last)
{
characterWithError = index;
result = Invalid;
return(ParseResult.LeadingOrTrailingDot);
}
else if (index > start)
{
// make a identifier atom out of [start..index]
SymbolAtom atom;
int charError;
SymbolAtom.ParseResult papr = SymbolAtom.TryCreate(
table,
partialSymbol.Subsegment(start, index - start),
out atom,
out charError);
if (papr != SymbolAtom.ParseResult.Success)
{
characterWithError = index + charError;
result = Invalid;
return(ParseResult.FailureDueToInvalidCharacter);
}
components.Add(atom.StringId);
}
// skip over the dot
index++;
start = index;
continue;
}
index++;
}
if (index > start)
{
// make a identifier atom out of [start..index]
SymbolAtom atom;
int charError;
SymbolAtom.ParseResult papr = SymbolAtom.TryCreate(
table,
partialSymbol.Subsegment(start, index - start),
out atom,
out charError);
if (papr != SymbolAtom.ParseResult.Success)
{
characterWithError = index + charError;
result = Invalid;
return(ParseResult.FailureDueToInvalidCharacter);
}
components.Add(atom.StringId);
}
result = new PartialSymbol(components.ToArray());
characterWithError = -1;
return(ParseResult.Success);
}
}
/// <summary>
/// Compute machine perf info to get more human-readable resource usage info
/// </summary>
/// <param name="ensureSample">when true and no performance measurement samples are registered, immediately forces a collection of a performance
/// measurement sample</param>
public MachinePerfInfo ComputeMachinePerfInfo(bool ensureSample = false)
{
if (ensureSample && Volatile.Read(ref m_sampleCount) == 0)
{
m_parent.CollectOnce();
}
MachinePerfInfo perfInfo = default(MachinePerfInfo);
using (var sbPool = Pools.GetStringBuilder())
using (var sbPool2 = Pools.GetStringBuilder())
{
StringBuilder consoleSummary = sbPool.Instance;
StringBuilder logFileSummary = sbPool2.Instance;
perfInfo.CpuUsagePercentage = SafeConvert.ToInt32(MachineCpu.Latest);
consoleSummary.AppendFormat("CPU:{0}%", perfInfo.CpuUsagePercentage);
logFileSummary.AppendFormat("CPU:{0}%", perfInfo.CpuUsagePercentage);
if (MachineTotalPhysicalMB.Latest > 0)
{
var availableRam = SafeConvert.ToInt32(MachineAvailablePhysicalMB.Latest);
var totalRam = SafeConvert.ToInt32(MachineTotalPhysicalMB.Latest);
var ramUsagePercentage = SafeConvert.ToInt32(((100.0 * (totalRam - availableRam)) / totalRam));
Contract.Assert(ramUsagePercentage >= 0 && ramUsagePercentage <= 100);
perfInfo.RamUsagePercentage = ramUsagePercentage;
perfInfo.TotalRamMb = totalRam;
perfInfo.AvailableRamMb = availableRam;
consoleSummary.AppendFormat(" RAM:{0}%", ramUsagePercentage);
logFileSummary.AppendFormat(" RAM:{0}%", ramUsagePercentage);
}
if (CommitLimitMB.Latest > 0)
{
var commitTotal = SafeConvert.ToInt32(CommitTotalMB.Latest);
var commitLimit = SafeConvert.ToInt32(CommitLimitMB.Latest);
var commitUsagePercentage = SafeConvert.ToInt32(((100.0 * commitTotal) / commitLimit));
perfInfo.CommitUsagePercentage = commitUsagePercentage;
perfInfo.CommitTotalMb = commitTotal;
perfInfo.CommitLimitMb = commitLimit;
}
if (MachineBandwidth.Latest > 0)
{
perfInfo.MachineBandwidth = (long)MachineBandwidth.Latest;
perfInfo.MachineKbitsPerSecSent = MachineKbitsPerSecSent.Latest;
perfInfo.MachineKbitsPerSecReceived = MachineKbitsPerSecReceived.Latest;
}
if (DiskStats != null)
{
perfInfo.DiskUsagePercentages = new int[DiskStats.Count];
perfInfo.DiskQueueDepths = new int[DiskStats.Count];
string worstDrive = "N/A";
int highestActiveTime = -1;
int highestQueueDepth = 0;
// Loop through and find the worst looking disk
int diskIndex = 0;
foreach (var disk in DiskStats)
{
if (disk.ReadTime.Maximum == 0)
{
perfInfo.DiskUsagePercentages[diskIndex] = 0;
perfInfo.DiskQueueDepths[diskIndex] = 0;
diskIndex++;
// Don't consider samples unless some activity has been registered
continue;
}
var activeTime = disk.CalculateActiveTime(lastOnly: true);
var queueDepth = SafeConvert.ToInt32(disk.QueueDepth.Latest);
perfInfo.DiskUsagePercentages[diskIndex] = activeTime;
perfInfo.DiskQueueDepths[diskIndex] = queueDepth;
diskIndex++;
logFileSummary.Append(FormatDiskUtilization(disk.Drive, activeTime));
if (activeTime > highestActiveTime)
{
worstDrive = disk.Drive;
highestActiveTime = activeTime;
highestQueueDepth = queueDepth;
}
}
if (highestActiveTime != -1)
{
consoleSummary.Append(FormatDiskUtilization(worstDrive, highestActiveTime));
}
}
perfInfo.ProcessCpuPercentage = SafeConvert.ToInt32(ProcessCpu.Latest);
logFileSummary.AppendFormat(" DominoCPU:{0}%", perfInfo.ProcessCpuPercentage);
perfInfo.ProcessWorkingSetMB = SafeConvert.ToInt32(ProcessWorkingSetMB.Latest);
logFileSummary.AppendFormat(" DominoRAM:{0}MB", perfInfo.ProcessWorkingSetMB);
perfInfo.ConsoleResourceSummary = consoleSummary.ToString();
perfInfo.LogResourceSummary = logFileSummary.ToString();
}
return(perfInfo);
}
/// <summary>
/// Internal api to try to create a RelativePath from a string.
/// </summary>
/// <remarks>This function serves as an internal overload for tryCreate when called from AbsolutePath so we do not get the DotDotOutOfScope error when traversing beyond the root.</remarks>
/// <param name="table">StringTable instance.</param>
/// <param name="relativePath">Relative path to pass in.</param>
/// <param name="result">Output relative path after parsing.</param>
/// <param name="characterWithError">Output the character that had the error.</param>
/// <param name="allowDotDotOutOfScope">Whether to allow the function to parse .. beyond the root.</param>
/// <returns>Return the parser result indicating success, or what was wrong with the parsing.</returns>
internal static ParseResult TryCreateInternal <T>(StringTable table, T relativePath, out RelativePath result, out int characterWithError, bool allowDotDotOutOfScope = false)
where T : struct, ICharSpan <T>
{
Contract.Requires(table != null);
//Contract.Ensures((Contract.Result<ParseResult>() == ParseResult.Success) == Contract.ValueAtReturn(out result).IsValid);
using (var wrap = Pools.GetStringIdList())
{
List <StringId> components = wrap.Instance;
int index = 0;
int start = 0;
while (index < relativePath.Length)
{
var ch = relativePath[index];
// trivial reject of invalid characters
if (!IsValidRelativePathChar(ch))
{
characterWithError = index;
result = Invalid;
return(ParseResult.FailureDueToInvalidCharacter);
}
if (ch == '\\' || ch == '/')
{
// found a component separator
if (index > start)
{
// make a path atom out of [start..index]
PathAtom.ParseResult papr = PathAtom.TryCreate(
table,
relativePath.Subsegment(start, index - start),
out PathAtom atom,
out int charError);
if (papr != PathAtom.ParseResult.Success)
{
characterWithError = index + charError;
result = Invalid;
return(ParseResult.FailureDueToInvalidCharacter);
}
components.Add(atom.StringId);
}
// skip over the slash
index++;
start = index;
continue;
}
if (ch == '.' && index == start)
{
// component starts with a .
if ((index == relativePath.Length - 1) ||
(relativePath[index + 1] == '\\') ||
(relativePath[index + 1] == '/'))
{
// component is a sole . so skip it
index += 2;
start = index;
continue;
}
if (relativePath[index + 1] == '.')
{
// component starts with ..
if ((index == relativePath.Length - 2) ||
(relativePath[index + 2] == '\\') ||
(relativePath[index + 2] == '/'))
{
// component is a sole .. so try to go up
if (components.Count == 0 && !allowDotDotOutOfScope)
{
characterWithError = index;
result = Invalid;
return(ParseResult.FailureDueToDotDotOutOfScope);
}
if (components.Count != 0)
{
components.RemoveAt(components.Count - 1);
}
index += 3;
start = index;
continue;
}
}
}
index++;
}
if (index > start)
{
// make a path atom out of [start..index]
PathAtom.ParseResult papr = PathAtom.TryCreate(
table,
relativePath.Subsegment(start, index - start),
out PathAtom atom,
out int charError);
if (papr != PathAtom.ParseResult.Success)
{
characterWithError = index + charError;
result = Invalid;
return(ParseResult.FailureDueToInvalidCharacter);
}
components.Add(atom.StringId);
}
result = new RelativePath(components.ToArray());
characterWithError = -1;
return(ParseResult.Success);
}
}
