public override CommandResultCode Execute(IExecutionContext context, CommandArguments args)
{
PropertyRegistry properties = Properties;
if (properties == null) {
Application.Error.WriteLine("the current context does not support properties.");
return CommandResultCode.ExecutionFailed;
}
if (args.MoveNext()) {
string name = args.Current;
PropertyHolder holder = properties.GetProperty(name);
if (holder == null)
return CommandResultCode.ExecutionFailed;
PrintDescription(name, holder, Application.Error);
return CommandResultCode.Success;
}
ProperiesColumns[0].ResetWidth();
ProperiesColumns[1].ResetWidth();
TableRenderer table = new TableRenderer(ProperiesColumns, Application.Out);
foreach(KeyValuePair<string, PropertyHolder> entry in properties) {
ColumnValue[] row = new ColumnValue[3];
PropertyHolder holder = entry.Value;
row[0] = new ColumnValue(entry.Key);
row[1] = new ColumnValue(holder.Value);
row[2] = new ColumnValue(holder.ShortDescription);
table.AddRow(row);
}
table.CloseTable();
return CommandResultCode.Success;
}
public override CommandResultCode Execute(IExecutionContext context, CommandArguments args)
{
ISettingsHandler handler = Application as ISettingsHandler;
if (handler == null) {
Error.WriteLine("The application doesn't support settings.");
return CommandResultCode.ExecutionFailed;
}
if (args.MoveNext())
return CommandResultCode.SyntaxError;
VarColumns[0].ResetWidth();
VarColumns[1].ResetWidth();
TableRenderer table = new TableRenderer(VarColumns, Out);
table.EnableHeader = true;
table.EnableFooter = true;
foreach(KeyValuePair<string, string> setting in handler.Settings) {
if (setting.Key == ApplicationSettings.SpecialLastCommand)
continue;
ColumnValue[] row = new ColumnValue[4];
row[0] = new ColumnValue(setting.Key);
row[1] = new ColumnValue(setting.Value);
table.AddRow(row);
}
table.CloseTable();
Error.WriteLine();
return CommandResultCode.Success;
}
public override CommandResultCode Execute(IExecutionContext context, CommandArguments args)
{
Columns[0].ResetWidth();
Columns[1].ResetWidth();
TableRenderer table = new TableRenderer(Columns, Out);
foreach(KeyValuePair<string, string> alias in Application.Commands.Aliases) {
ColumnValue[] row = new ColumnValue[2];
row[0] = new ColumnValue(alias.Key);
row[1] = new ColumnValue(alias.Value);
table.AddRow(row);
}
table.CloseTable();
return CommandResultCode.Success;
}
public override CommandResultCode Execute(IExecutionContext context, CommandArguments args)
{
Columns[0].ResetWidth();
Columns[1].ResetWidth();
TableRenderer table = new TableRenderer(Columns, Out);
foreach (KeyValuePair <string, string> alias in Application.Commands.Aliases)
{
ColumnValue[] row = new ColumnValue[2];
row[0] = new ColumnValue(alias.Key);
row[1] = new ColumnValue(alias.Value);
table.AddRow(row);
}
table.CloseTable();
return(CommandResultCode.Success);
}
public override CommandResultCode Execute(IExecutionContext context, CommandArguments args)
{
IInformationProvider provider = Application as IInformationProvider;
if (provider == null)
{
Error.WriteLine("The current context does not support information.");
return(CommandResultCode.ExecutionFailed);
}
if (!args.MoveNext())
{
return(CommandResultCode.SyntaxError);
}
string infoName = args.Current;
if (!provider.IsInfoSupported(infoName))
{
Error.WriteLine("Information " + infoName + " is not supported by the current context.");
return(CommandResultCode.ExecutionFailed);
}
ColumnDesign[] columns = provider.GetColumns(infoName);
for (int i = 0; i < columns.Length; i++)
{
columns[i].ResetWidth();
}
TableRenderer renderer = new TableRenderer(columns, Out);
// TODO: make it configurable ...
renderer.EnableHeader = true;
renderer.EnableFooter = true;
IList <ColumnValue[]> values = provider.GetValues(infoName);
for (int i = 0; i < values.Count; i++)
{
ColumnValue[] rowValues = values[i];
renderer.AddRow(rowValues);
}
renderer.Flush();
renderer.CloseTable();
return(CommandResultCode.Success);
}
private void ShowFree(NetworkContext context)
{
// Refresh
context.Network.Refresh();
MachineProfile[] machines = context.Network.GetAllMachineProfiles();
if (machines.Length == 0)
{
Out.WriteLine("No machines in the network.");
}
else
{
ColumnDesign[] columns = new ColumnDesign[4];
columns[0] = new ColumnDesign("Machine");
columns[1] = new ColumnDesign("Used Memory");
columns[2] = new ColumnDesign("Used Disk");
columns[3] = new ColumnDesign("Notes");
TableRenderer table = new TableRenderer(columns, Out);
foreach (var machine in machines)
{
ColumnValue[] row = new ColumnValue[4];
if (machine.IsError)
{
row[3] = new ColumnValue(" ERROR: " + machine.ErrorMessage);
}
else
{
row[0] = new ColumnValue(machine.ServiceAddress.ToString());
row[1] = new ColumnValue(MemoryReport(machine.MemoryUsed, machine.MemoryTotal));
row[2] = new ColumnValue(MemoryReport(machine.DiskUsed, machine.DiskTotal));
if (machine.DiskUsed > ((double)machine.DiskTotal * 0.85d))
{
row[3] = new ColumnValue(" WARNING: Node is close to full - used storage within 85% of total");
}
}
table.AddRow(row);
}
table.CloseTable();
}
}
public override CommandResultCode Execute(IExecutionContext context, CommandArguments args)
{
ISettingsHandler handler = Application as ISettingsHandler;
if (handler == null)
{
Error.WriteLine("The application doesn't support settings.");
return(CommandResultCode.ExecutionFailed);
}
if (args.MoveNext())
{
return(CommandResultCode.SyntaxError);
}
VarColumns[0].ResetWidth();
VarColumns[1].ResetWidth();
TableRenderer table = new TableRenderer(VarColumns, Out);
table.EnableHeader = true;
table.EnableFooter = true;
foreach (KeyValuePair <string, string> setting in handler.Settings)
{
if (setting.Key == ApplicationSettings.SpecialLastCommand)
{
continue;
}
ColumnValue[] row = new ColumnValue[4];
row[0] = new ColumnValue(setting.Key);
row[1] = new ColumnValue(setting.Value);
table.AddRow(row);
}
table.CloseTable();
Error.WriteLine();
return(CommandResultCode.Success);
}
public override CommandResultCode Execute(IExecutionContext context, CommandArguments args)
{
PropertyRegistry properties = Properties;
if (properties == null)
{
Application.Error.WriteLine("the current context does not support properties.");
return(CommandResultCode.ExecutionFailed);
}
if (args.MoveNext())
{
string name = args.Current;
PropertyHolder holder = properties.GetProperty(name);
if (holder == null)
{
return(CommandResultCode.ExecutionFailed);
}
PrintDescription(name, holder, Application.Error);
return(CommandResultCode.Success);
}
ProperiesColumns[0].ResetWidth();
ProperiesColumns[1].ResetWidth();
TableRenderer table = new TableRenderer(ProperiesColumns, Application.Out);
foreach (KeyValuePair <string, PropertyHolder> entry in properties)
{
ColumnValue[] row = new ColumnValue[3];
PropertyHolder holder = entry.Value;
row[0] = new ColumnValue(entry.Key);
row[1] = new ColumnValue(holder.Value);
row[2] = new ColumnValue(holder.ShortDescription);
table.AddRow(row);
}
table.CloseTable();
return(CommandResultCode.Success);
}
public override CommandResultCode Execute(IExecutionContext context, CommandArguments args)
{
IInformationProvider provider = Application as IInformationProvider;
if (provider == null) {
Error.WriteLine("The current context does not support information.");
return CommandResultCode.ExecutionFailed;
}
if (!args.MoveNext())
return CommandResultCode.SyntaxError;
string infoName = args.Current;
if (!provider.IsInfoSupported(infoName)) {
Error.WriteLine("Information " + infoName + " is not supported by the current context.");
return CommandResultCode.ExecutionFailed;
}
ColumnDesign[] columns = provider.GetColumns(infoName);
for (int i = 0; i < columns.Length; i++)
columns[i].ResetWidth();
TableRenderer renderer = new TableRenderer(columns, Out);
// TODO: make it configurable ...
renderer.EnableHeader = true;
renderer.EnableFooter = true;
IList<ColumnValue[]> values = provider.GetValues(infoName);
for (int i = 0; i < values.Count; i++) {
ColumnValue[] rowValues = values[i];
renderer.AddRow(rowValues);
}
renderer.Flush();
renderer.CloseTable();
return CommandResultCode.Success;
}
private void ShowStatus(NetworkContext context)
{
ColumnDesign[] columns = new ColumnDesign[3];
columns[0] = new ColumnDesign("Status");
columns[1] = new ColumnDesign("Service");
columns[2] = new ColumnDesign("Address");
TableRenderer table = new TableRenderer(columns, Out);
context.Network.Refresh();
IDictionary <IServiceAddress, ServiceStatus> statusInfo = null;
// Manager servers status,
MachineProfile[] managers = context.Network.GetManagerServers();
if (managers.Length > 0)
{
foreach (var manager in managers)
{
ColumnValue[] row = new ColumnValue[3];
row[0] = new ColumnValue("UP");
row[1] = new ColumnValue("Manager");
row[2] = new ColumnValue(manager.ServiceAddress.ToString());
try {
statusInfo = context.Network.GetBlocksStatus();
} catch (NetworkAdminException e) {
Error.WriteLine("Error retrieving manager status info: " + e.Message);
}
table.AddRow(row);
}
}
else
{
Error.WriteLine("! Manager server not available");
}
// Status of root servers
MachineProfile[] roots = context.Network.GetRootServers();
if (roots.Length == 0)
{
Out.WriteLine("! Root servers not available");
}
foreach (MachineProfile r in roots)
{
ColumnValue[] row = new ColumnValue[3];
if (r.IsError)
{
row[0] = new ColumnValue("DOWN");
}
else
{
row[0] = new ColumnValue("UP");
}
row[1] = new ColumnValue("Root");
row[2] = new ColumnValue(r.ServiceAddress.ToString());
if (r.IsError)
{
Out.Write(" ");
Out.WriteLine(r.ErrorMessage);
}
table.AddRow(row);
}
// The block servers we fetch from the map,
List <IServiceAddress> blocks = new List <IServiceAddress>();
if (statusInfo != null)
{
foreach (IServiceAddress s in statusInfo.Keys)
{
blocks.Add(s);
}
}
else
{
MachineProfile[] sblocks = context.Network.GetBlockServers();
foreach (MachineProfile b in sblocks)
{
blocks.Add(b.ServiceAddress);
}
}
blocks.Sort();
if (blocks.Count == 0)
{
Out.WriteLine("! Block servers not available");
}
foreach (IServiceAddress b in blocks)
{
ColumnValue[] row = new ColumnValue[3];
if (statusInfo != null)
{
ServiceStatus status = statusInfo[b];
if (status == ServiceStatus.Up)
{
// Manager reported up
row[0] = new ColumnValue("UP");
}
else if (status == ServiceStatus.DownClientReport)
{
// Manager reported down from client report of error
row[0] = new ColumnValue("D-CR");
}
else if (status == ServiceStatus.DownHeartbeat)
{
// Manager reported down from heart beat check on the server
row[0] = new ColumnValue("D-HB");
}
else if (status == ServiceStatus.DownShutdown)
{
// Manager reported down from shut down request
row[0] = new ColumnValue("D-SD");
}
else
{
row[0] = new ColumnValue("?ERR");
}
}
else
{
// Try and get status from machine profile
MachineProfile r = context.Network.GetMachineProfile(b);
if (r.IsError)
{
row[0] = new ColumnValue("DOWN");
}
else
{
row[0] = new ColumnValue("UP");
}
}
row[1] = new ColumnValue("Block");
row[2] = new ColumnValue(b.ToString());
table.AddRow(row);
}
table.CloseTable();
}
private void ShowNetwork(NetworkContext context)
{
int managerCount = 0;
int rootCount = 0;
int blockCount = 0;
ColumnDesign[] columns = new ColumnDesign[2];
columns[0] = new ColumnDesign("MRB");
columns[0].Width = 20;
columns[1] = new ColumnDesign("Address");
TableRenderer table = new TableRenderer(columns, Out);
context.Network.Refresh();
MachineProfile[] profiles = context.Network.GetAllMachineProfiles();
foreach (MachineProfile p in profiles)
{
if (p.IsError)
{
ColumnValue[] row = new ColumnValue[2];
row[0] = new ColumnValue(p.ErrorMessage);
row[1] = new ColumnValue(p.ServiceAddress.ToString());
table.AddRow(row);
}
else
{
string mrb = String.Empty;
mrb += p.IsManager ? "M" : ".";
mrb += p.IsRoot ? "R" : ".";
mrb += p.IsBlock ? "B" : ".";
ColumnValue[] row = new ColumnValue[2];
row[0] = new ColumnValue(mrb);
row[1] = new ColumnValue(p.ServiceAddress.ToString());
table.AddRow(row);
managerCount += p.IsManager ? 1 : 0;
rootCount += p.IsRoot ? 1 : 0;
blockCount += p.IsBlock ? 1 : 0;
}
}
table.CloseTable();
Out.WriteLine();
if (profiles.Length == 1)
{
Out.WriteLine("one machine in the network.");
}
else
{
Out.WriteLine(profiles.Length + " machines in the network.");
}
if (managerCount == 0)
{
Out.Write("none manager");
}
else if (managerCount == 1)
{
Out.Write("one manager");
}
else
{
Out.Write(managerCount + " managers");
}
Out.Write(", ");
if (rootCount == 0)
{
Out.Write("none root");
}
else if (rootCount == 1)
{
Out.Write("one root");
}
else
{
Out.Write(rootCount + " roots");
}
Out.Write(", ");
if (blockCount == 0)
{
Out.Write("none block");
}
else if (blockCount == 1)
{
Out.Write("one block");
}
else
{
Out.Write(blockCount + " blocks");
}
Out.WriteLine();
}
