/*
* Registers an agent with the coordinator, or updates the ping time
*
* Returns true if a restart is required
*/
public static PingResponse Ping( AgentInfo UpdatedInfo )
{
AgentsDirty = true;
// Add a known set of configuration items
UpdatedInfo.Configuration["LastPingTime"] = DateTime.UtcNow;
// Retreive information the agent can provide for us and supply defaults
if( !UpdatedInfo.Configuration.ContainsKey( "GroupName" ) )
{
UpdatedInfo.Configuration["GroupName"] = "Default";
}
// If the Agent is working for someone, replace the local user name with
// the user name on the machine that it's working for
if( UpdatedInfo.Configuration.ContainsKey( "WorkingFor" ) )
{
// Look up the other user name
string BossAgentName = UpdatedInfo.Configuration["WorkingFor"] as string;
if( ( Agents.ContainsKey( BossAgentName ) ) &&
( Agents[BossAgentName].Configuration.ContainsKey( "UserName" ) ) )
{
UpdatedInfo.Configuration["UserName"] = Agents[BossAgentName].Configuration["UserName"];
}
}
else
{
UpdatedInfo.Configuration["WorkingFor"] = "";
}
if( !UpdatedInfo.Configuration.ContainsKey( "AssignedTo" ) )
{
UpdatedInfo.Configuration["AssignedTo"] = "";
UpdatedInfo.Configuration["AssignedTime"] = DateTime.UtcNow;
}
if( !UpdatedInfo.Configuration.ContainsKey( "UserName" ) )
{
UpdatedInfo.Configuration["UserName"] = "******";
}
// If the agent is remote, ping the machine to make sure we can talk to it
// but only if the Agent didn't provide an IP address for us
if( !UpdatedInfo.Configuration.ContainsKey( "IPAddress" ) )
{
// By default, we'll set the IP address to the loopback value
UpdatedInfo.Configuration["IPAddress"] = IPAddress.Loopback;
bool IPAddressUpdateSuccess = false;
if( UpdatedInfo.Name != Environment.MachineName )
{
try
{
// Use the name, which can fail if DNS isn't enabled or if there's no host file
Ping PingSender = new Ping();
PingReply Reply = PingSender.Send( UpdatedInfo.Name );
if( Reply.Status == IPStatus.Success )
{
// With a success, update the known IP address for this agent
UpdatedInfo.Configuration["IPAddress"] = Reply.Address;
IPAddressUpdateSuccess = true;
}
}
catch( Exception )
{
// Any exception is a total failure
}
}
// With a failure, update the agent's state to prevent usage
if( !IPAddressUpdateSuccess )
{
UpdatedInfo.State = AgentState.Blocked;
}
}
PingResponse Response;
lock( Agents )
{
if( !Agents.ContainsKey( UpdatedInfo.Name ) )
{
// If this is a new agent, tell it to restart itself to pick up the latest version
Response = PingResponse.Restart;
}
else if( Agents[UpdatedInfo.Name].State == AgentState.Restarting )
{
Response = PingResponse.Restart;
// If this agent has been instructed to restart, keep overriding the
// state until it's freed up to actually restart
if( UpdatedInfo.State == AgentState.Available )
{
UpdatedInfo.State = AgentState.Restarted;
}
else
{
// Keep us in this cycle on the next ping
UpdatedInfo.State = AgentState.Restarting;
}
}
else
{
Response = PingResponse.Success;
AgentInfo PreviousInfo = Agents[UpdatedInfo.Name];
// If the WorkingFor changed, update the time
string PreviousWorkingFor = PreviousInfo.Configuration["WorkingFor"] as string;
string UpdatedWorkingFor = UpdatedInfo.Configuration["WorkingFor"] as string;
DateTime UpdatedWorkingTime = DateTime.MaxValue;
if( UpdatedWorkingFor != PreviousWorkingFor )
{
UpdatedWorkingTime = DateTime.UtcNow;
}
else if( PreviousInfo.Configuration.ContainsKey( "WorkingTime" ) )
{
UpdatedWorkingTime = ( DateTime )PreviousInfo.Configuration["WorkingTime"];
}
UpdatedInfo.Configuration["WorkingTime"] = UpdatedWorkingTime;
// Based on whether or not the agent is Working currently, update some state
if( UpdatedInfo.State != AgentState.Working )
{
// No other agent should be AssignedTo it
foreach( AgentInfo Agent in Agents.Values )
{
if( ( Agent.Configuration["AssignedTo"] as string ) == UpdatedInfo.Name )
{
Agent.Configuration["AssignedTo"] = "";
Agent.Configuration["AssignedTime"] = DateTime.UtcNow;
}
}
// If the previous state was Working for the same agent it's AssignedTo,
// then we can clear the AssignedTo field
if( PreviousInfo.State == AgentState.Working )
{
string PreviousAssignedTo = PreviousInfo.Configuration["AssignedTo"] as string;
if( PreviousAssignedTo == PreviousWorkingFor )
{
PreviousInfo.Configuration["AssignedTo"] = "";
PreviousInfo.Configuration["AssignedTime"] = DateTime.UtcNow;
}
}
}
else
{
// If it's WorkingFor someone, but not AssignedTo anyone else, update the AssignedTo
if( ( ( UpdatedInfo.Configuration["WorkingFor"] as string ) != "" ) &&
( ( PreviousInfo.Configuration["AssignedTo"] as string ) == "" ) )
{
PreviousInfo.Configuration["AssignedTo"] = UpdatedInfo.Configuration["WorkingFor"];
PreviousInfo.Configuration["AssignedTime"] = DateTime.UtcNow;
}
}
string UpdatedAssignedTo = PreviousInfo.Configuration["AssignedTo"] as string;
UpdatedInfo.Configuration["AssignedTo"] = UpdatedAssignedTo;
UpdatedInfo.Configuration["AssignedTime"] = DateTime.UtcNow;
}
// Set or reset the agent info to the latest
Agents[UpdatedInfo.Name] = UpdatedInfo;
}
return Response;
}
public PingResponse Ping( AgentInfo Agent )
{
return ( Coordinator.Ping( Agent ) );
}
// Available < Busy < Other (Working)
private static int AliveAgentSorter( AgentInfo A, AgentInfo B )
{
if( A.State == AgentState.Available )
{
if( B.State == AgentState.Available )
{
return 0;
}
else
{
return -1;
}
}
else
{
if( B.State == AgentState.Available )
{
return 1;
}
else
{
// Neither are Available, sort on Busy
if( A.State == AgentState.Busy )
{
if( B.State == AgentState.Busy )
{
return 0;
}
else
{
return -1;
}
}
else
{
if( B.State == AgentState.Busy )
{
return 1;
}
else
{
return 0;
}
}
}
}
}
private bool ValidateDeterministicDistributionRequirements()
{
// If there's no record of the last run, then fail immediately
if( Manager.LastSuccessfulJobRecord == null )
{
return false;
}
AgentJobRecord LastSuccessfulJobRecord = Manager.LastSuccessfulJobRecord;
bool DeterministicModeValidated = false;
// First, compare the job specification
bool ExecutableNameMatches = false;
string ThisOriginalExecutableName;
if( Specification.DependenciesOriginalNames.TryGetValue( Specification.ExecutableName, out ThisOriginalExecutableName ) )
{
string LastOriginalExecutableName;
if( LastSuccessfulJobRecord.Specification.DependenciesOriginalNames.TryGetValue( LastSuccessfulJobRecord.Specification.ExecutableName, out LastOriginalExecutableName ) )
{
if( ThisOriginalExecutableName == LastOriginalExecutableName )
{
ExecutableNameMatches = true;
}
else
{
Manager.Log( EVerbosityLevel.Critical, ELogColour.Red, "[Deterministic] Failed to validate Job, executable name is different" );
}
}
}
// If the executable name matches, check the set of tasks
if( ExecutableNameMatches )
{
bool AllTasksMatch = false;
// Next, make sure that all the tasks in the current specification are in the last job
List<AgentTask> ListOfTasks = new List<AgentTask>( PendingTasks.ToArray() );
if( ListOfTasks.Count == LastSuccessfulJobRecord.AllTasks.Count )
{
AgentTask NextTask;
Int32 MatchedTaskCount = 0;
foreach( AgentTask Task in ListOfTasks )
{
if( LastSuccessfulJobRecord.AllTasks.TryGetValue( Task.Specification.TaskGuid, out NextTask ) )
{
// For now, just compare the parameters and the cost
if( ( NextTask.Specification.Parameters == Task.Specification.Parameters ) &&
( NextTask.Specification.Cost == Task.Specification.Cost ) )
{
MatchedTaskCount++;
}
else
{
string OldTaskDetails = String.Format( "[Deterministic] Old Task: {0}, {1}, {2}",
NextTask.Specification.TaskGuid,
NextTask.Specification.Parameters,
NextTask.Specification.Cost );
string NewTaskDetails = String.Format( "[Deterministic] New Task: {0}, {1}, {2}",
Task.Specification.TaskGuid,
Task.Specification.Parameters,
Task.Specification.Cost );
Manager.Log( EVerbosityLevel.Critical, ELogColour.Red, "[Deterministic] Failed to validate Job, task is different" );
Manager.Log( EVerbosityLevel.Critical, ELogColour.Red, OldTaskDetails );
Manager.Log( EVerbosityLevel.Critical, ELogColour.Red, NewTaskDetails );
}
}
}
if( MatchedTaskCount == LastSuccessfulJobRecord.AllTasks.Count )
{
// Found all current tasks in the last job record
AllTasksMatch = true;
// Now verify and initialize the running work queues
LastSuccessfulJobRecord.AgentToTaskQueueMapping.Clear();
foreach( string WorkerName in LastSuccessfulJobRecord.WorkerAgentNames )
{
Queue<AgentTask> TaskQueue;
if( LastSuccessfulJobRecord.AgentToGoldenTaskQueueMapping.TryGetValue( WorkerName, out TaskQueue ) )
{
LastSuccessfulJobRecord.AgentToTaskQueueMapping.Add( WorkerName, new Queue<AgentTask>( TaskQueue ) );
}
else
{
// If we fail to set the enumerators, fail to validate
AllTasksMatch = false;
}
}
}
}
else
{
Manager.Log( EVerbosityLevel.Critical, ELogColour.Red, "[Deterministic] Failed to validate Job, overall task count is different" );
}
// If all tasks are the same (enough), make sure we can acquire the same set of agents for the job
if( AllTasksMatch )
{
// If all tasks match, try to connection to each of the
// remote agents from the previous job
Int32 WorkerAgentsEmployed = 0;
for( Int32 i = 0; i < LastSuccessfulJobRecord.WorkerAgentNames.Count; i++ )
{
string WorkerAgentName = LastSuccessfulJobRecord.WorkerAgentNames[i];
string WorkerAgentIPAddress = LastSuccessfulJobRecord.WorkerAgentIPAddresses[i];
// Don't try to connect to self and only if this name is allowed
if( ( WorkerAgentName != Environment.MachineName ) &&
( Manager.AgentNamePassesAllowedAgentsFilter( WorkerAgentName ) ) )
{
// Make sure we can open the connection and get a valid remote connection back
RemoteConnection Remote;
AgentInfo NewWorkerInfo = new AgentInfo();
NewWorkerInfo.Name = WorkerAgentName;
NewWorkerInfo.Configuration["IPAddress"] = WorkerAgentIPAddress;
if( ( Manager.TryOpenRemoteConnection( Owner as LocalConnection, NewWorkerInfo, false, DateTime.MinValue, out Remote ) == Constants.SUCCESS ) &&
( Remote != null ) )
{
WorkerAgentsEmployed++;
}
else
{
Manager.Log( EVerbosityLevel.Critical, ELogColour.Red, "[Deterministic] Could not acquire connection to " + WorkerAgentName + " necessary for job" );
}
}
else
{
// We always count ourselves
WorkerAgentsEmployed++;
}
}
if( WorkerAgentsEmployed == LastSuccessfulJobRecord.WorkerAgentNames.Count )
{
// If all necessary agents are employed, we've verified everything
// we can -> success
Manager.Log( EVerbosityLevel.Informative, ELogColour.Green, "[Deterministic] Job validated, deterministic distribution enabled" );
DeterministicModeValidated = true;
}
else
{
Manager.Log( EVerbosityLevel.Critical, ELogColour.Red, "[Deterministic] Failed to validate Job, could not acquire all agents necessary" );
}
}
}
return DeterministicModeValidated;
}
/**
* Maintain a connection to the coordinator
*/
public bool PingCoordinator( bool ForcePing )
{
StartTiming( "PingCoordinator-Internal", true );
bool CoordinatorPinged = false;
// Determine if we should ping
#if !__MonoCS__ // @todo Mac
bool ShouldPing =
( ForcePing ) ||
(DateTime.UtcNow > LastCoordinatorPingTime + TimeSpan.FromMinutes(1));
#else
bool ShouldPing = false;
#endif
if( ShouldPing )
{
// Determine if we can ping
bool CouldPing =
( Coordinator != null ) &&
( CoordinatorResponding ) &&
( PingRemoteHost( AgentApplication.Options.CoordinatorRemotingHost, AgentApplication.Options.CoordinatorRemotingHost ) );
if( CouldPing )
{
LastCoordinatorPingTime = DateTime.UtcNow;
// Try to ping the coordinator
try
{
// The AgentInfo defaults cover almost everything, fill in the state
AgentInfo AgentInfoUpdate = new AgentInfo();
AgentInfoUpdate.Version = CurrentVersion;
// We'll only advertise the number of cores we'll have available for remote connections
AgentInfoUpdate.Configuration["LocalAvailableCores"] = AgentApplication.DeveloperOptions.LocalJobsDefaultProcessorCount;
AgentInfoUpdate.Configuration["RemoteAvailableCores"] = AgentApplication.DeveloperOptions.RemoteJobsDefaultProcessorCount;
// Update with our build group, etc.
AgentInfoUpdate.Configuration["UserName"] = Environment.UserName.ToUpperInvariant();
AgentInfoUpdate.Configuration["GroupName"] = AgentApplication.Options.AgentGroupName;
AgentInfoUpdate.Configuration["WorkingFor"] = WorkingFor;
#if !__MonoCS__ // @todo Mac
IPAddress[] CoordinatorAddresses = Dns.GetHostAddresses(AgentApplication.Options.CoordinatorRemotingHost);
IPAddress[] LocalAddresses = Dns.GetHostAddresses(Dns.GetHostName());
if(CoordinatorAddresses.Any(CoordinatorAddress => IPAddress.IsLoopback(CoordinatorAddress) || LocalAddresses.Contains(CoordinatorAddress)))
{
AgentInfoUpdate.Configuration["IPAddress"] = IPAddress.Loopback;
}
else
{
var NetworkInterface = NetworkUtils.GetBestInterface(
CoordinatorAddresses.Where(CoordinatorAddress => CoordinatorAddress.AddressFamily == AddressFamily.InterNetwork).First()
);
AgentInfoUpdate.Configuration["IPAddress"] = NetworkUtils.GetInterfaceIPv4Address(NetworkInterface);
}
#else
AgentInfoUpdate.Configuration["IPAddress"] = "192.168.0.203";//.2.9";
#endif
// Check if standalone mode is enabled and use that unless we're closing down
if( ( CurrentState != AgentState.Closed ) &&
( AgentApplication.Options.EnableStandaloneMode ) )
{
AgentInfoUpdate.State = AgentState.Standalone;
}
else
{
// Otherwise, pass through the real state
AgentInfoUpdate.State = CurrentState;
}
// A positive return value from the Ping is a request for restart
PingResponse Response = Coordinator.Ping( AgentInfoUpdate );
if( Response == PingResponse.Restart )
{
Log( EVerbosityLevel.Informative, ELogColour.Green, "[PingCoordinator] Restart has been requested" );
#if !__MonoCS__
// Only restart if we're running the published (and restartable) version
if( ApplicationDeployment.IsNetworkDeployed )
{
// Only update the value if we're not already restarting
if( !AgentIsRestarting )
{
// If we've got a signal to restart, request that the agent shutdown
RequestRestart();
}
}
else
{
Log( EVerbosityLevel.Informative, ELogColour.Green, "[PingCoordinator] Restart request ignored for non-published agents" );
}
#endif
}
CoordinatorPinged = true;
}
catch( Exception Ex )
{
// If we fail for any reason, just log it and try again later
Log( EVerbosityLevel.Informative, ELogColour.Orange, "[Ping] Communication with the coordinator failed, job distribution will be disabled until the connection is established" );
Log( EVerbosityLevel.ExtraVerbose, ELogColour.Orange, "Exception details: " + Ex.ToString() );
// Until all open connections are closed, the coordinator is abandoned
CoordinatorResponding = false;
}
}
else
{
AgentApplication.Log( EVerbosityLevel.ExtraVerbose, ELogColour.Green, "[PingCoordinator] Determined that we couldn't ping the coordinator" );
if( Coordinator == null )
{
AgentApplication.Log( EVerbosityLevel.ExtraVerbose, ELogColour.Green, "[PingCoordinator] Coordinator is null" );
}
else if( CoordinatorResponding == false )
{
AgentApplication.Log( EVerbosityLevel.ExtraVerbose, ELogColour.Green, "[PingCoordinator] CoordinatorResponding is false" );
}
else
{
AgentApplication.Log( EVerbosityLevel.ExtraVerbose, ELogColour.Green, "[PingCoordinator] Coordinator ping failed" );
}
}
}
else
{
AgentApplication.Log( EVerbosityLevel.SuperVerbose, ELogColour.Green, "[PingCoordinator] Determined that we shouldn't ping the coordinator right now" );
}
StopTiming();
return CoordinatorPinged;
}
///////////////////////////////////////////////////////////////////////////
/**
* Standard constructor
*/
public RemoteConnection( Int32 ConnectionHandle,
AgentInfo NewRemoteAgentInfo,
RemoteConnectionInterfaceWrapper NewRemoteInterface )
: base(ConnectionHandle)
{
Info = NewRemoteAgentInfo;
Interface = NewRemoteInterface;
}
/**
* Used internally to try to open connections to remote agents
*/
public Int32 TryOpenRemoteConnection( LocalConnection ParentConnection, AgentInfo RemoteAgentInfo, bool IsAssigned, DateTime AssignedTimestamp, out RemoteConnection OpenedRemoteConnection )
{
// Initialize the return values
Int32 ErrorCode = Constants.INVALID;
OpenedRemoteConnection = null;
string RemoteAgentName = RemoteAgentInfo.Name;
string RemoteAgentIPAddress = RemoteAgentInfo.Configuration["IPAddress"].ToString();
Log( EVerbosityLevel.Verbose, ELogColour.Green, "[Connect] Trying to open a remote connection to " + RemoteAgentName + " at " + RemoteAgentIPAddress );
bool bHostNameValid = true;
try
{
ValidateHostName(RemoteAgentIPAddress);
}
catch (Exception)
{
ErrorCode = Constants.ERROR_EXCEPTION;
bHostNameValid = false;
}
// First, ping the remote host to make sure we can talk to it
if (bHostNameValid && PingRemoteHost(RemoteAgentName, RemoteAgentIPAddress))
{
// Get the new unique handle that this connection will be known by
Int32 NewConnectionHandle = GetUniqueHandle();
// Get the remote Agent interface object
string RemoteAgentURL = String.Format( "tcp://{0}:{1}/SwarmAgent",
RemoteAgentIPAddress,
Properties.Settings.Default.AgentRemotingPort.ToString() );
Agent RemoteAgentInterface = ( Agent )Activator.GetObject( typeof( Agent ), RemoteAgentURL );
RemoteConnectionInterfaceWrapper WrappedRemoteAgentInterface = new RemoteConnectionInterfaceWrapper( NewConnectionHandle, RemoteAgentName, RemoteAgentIPAddress, RemoteAgentInterface );
Log( EVerbosityLevel.Verbose, ELogColour.Green, "[Connect] Remote agent interface object obtained for " + RemoteAgentName + " at " + RemoteAgentIPAddress );
// With the interface in hand, try to open a bi-directional connection.
// Create the new RemoteConnection object and add it to the set
// of pending connections, waiting for the incoming confirmation
// which will move it to the active connection set. See
// ConfirmRemoteConnection for where this happens.
RemoteConnection NewRemoteConnection = new RemoteConnection( NewConnectionHandle,
RemoteAgentInfo,
WrappedRemoteAgentInterface );
PendingConnections.Add( NewConnectionHandle, NewRemoteConnection );
// Try to open the connection
try
{
// Send the connection handle and the machine name that will
// be used to construct the return URL for bi-directional
// connection
if( WrappedRemoteAgentInterface.OpenRemoteConnection( Environment.MachineName, NewConnectionHandle, LoggingFlags, IsAssigned, AssignedTimestamp ) >= 0 )
{
// Successful confirmation, double check that the connection has moved
if( PendingConnections.ContainsKey( NewConnectionHandle ) == false )
{
if( Connections.ContainsKey( NewConnectionHandle ) )
{
// Connection was successfully moved to the active connection set
// thus the bi-directional communication link is established
Log( EVerbosityLevel.Informative, ELogColour.Green, "[Connect] Successfully opened a remote connection with " + RemoteAgentName );
// Establish the parent-child relationship
NewRemoteConnection.Parent = ParentConnection;
NewRemoteConnection.Job = ParentConnection.Job;
ParentConnection.RemoteChildren.Add( NewConnectionHandle, NewRemoteConnection );
ParentConnection.RemoteChildrenSeen++;
ParentConnection.ChildrenSeen++;
// Update the visualizer indicating that another remote connection is online
if( NewRemoteConnection.Job.OwnerIsInstigator )
{
AgentApplication.UpdateMachineState( RemoteAgentName, -1, EProgressionState.RemoteConnected );
}
// Return the new handle for this connection
OpenedRemoteConnection = NewRemoteConnection;
ErrorCode = Constants.SUCCESS;
}
else
{
// Woah. Bad news.
}
}
}
else
{
// The connection failed to open, but didn't timeout and die, so it's likely just busy.
// Return with a success code, but with no remote agent, signaling that it's possible
// to try this one again later.
ErrorCode = Constants.SUCCESS;
}
}
catch( Exception Ex )
{
Log( EVerbosityLevel.Verbose, ELogColour.Red, "[Connect] Exception: " + RemoteAgentName + ": " + Ex.ToString() );
ErrorCode = Constants.ERROR_EXCEPTION;
}
if( ErrorCode < 0 )
{
Log( EVerbosityLevel.Verbose, ELogColour.Red, "[Connect] Failed to open a remote connection with " + RemoteAgentName );
}
// Regardless of how we got here, make sure the connection has been removed
// from the pending set (this is a safe call to make anytime)
PendingConnections.Remove( NewConnectionHandle );
}
else
{
// Failed to ping, simply return with an appropriate error code
ErrorCode = Constants.ERROR_CONNECTION_NOT_FOUND;
}
return ErrorCode;
}
/**
* Maintain a connection to the coordinator
*/
public bool PingCoordinator( bool ForcePing )
{
StartTiming( "PingCoordinator-Internal", true );
bool CoordinatorPinged = false;
// Determine if we should ping
#if !__MonoCS__ // @todo Mac
bool ShouldPing =
( ForcePing ) ||
(DateTime.UtcNow > LastCoordinatorPingTime + TimeSpan.FromMinutes(1));
#else
bool ShouldPing = false;
#endif
if( ShouldPing )
{
// Determine if we can ping
bool CouldPing =
( Coordinator != null ) &&
( CoordinatorResponding ) &&
( PingRemoteHost( AgentApplication.Options.CoordinatorRemotingHost, AgentApplication.Options.CoordinatorRemotingHost ) );
if( CouldPing )
{
LastCoordinatorPingTime = DateTime.UtcNow;
// Try to ping the coordinator
try
{
// The AgentInfo defaults cover almost everything, fill in the state
AgentInfo AgentInfoUpdate = new AgentInfo();
AgentInfoUpdate.Version = CurrentVersion;
// We'll only advertise the number of cores we'll have available for remote connections
AgentInfoUpdate.Configuration["LocalAvailableCores"] = AgentApplication.DeveloperOptions.LocalJobsDefaultProcessorCount;
AgentInfoUpdate.Configuration["RemoteAvailableCores"] = AgentApplication.DeveloperOptions.RemoteJobsDefaultProcessorCount;
// Update with our build group, etc.
AgentInfoUpdate.Configuration["UserName"] = Environment.UserName.ToUpperInvariant();
AgentInfoUpdate.Configuration["GroupName"] = AgentApplication.Options.AgentGroupName;
AgentInfoUpdate.Configuration["WorkingFor"] = WorkingFor;
#if !__MonoCS__ // @todo Mac
// Send our IP address for others to use
ManagementObjectSearcher ObjectSearcher = new ManagementObjectSearcher( "SELECT * FROM Win32_NetworkAdapterConfiguration WHERE IPEnabled = 'TRUE'" );
ManagementObjectCollection ObjectCollection = ObjectSearcher.Get();
bool bFoundAddress = false;
bool bFoundAddressWithDNS = false;
foreach( ManagementObject NextObject in ObjectCollection )
{
// Get the first IP addresses of the first IPEnabled network adapter
string[] AddressList = ( string[] )NextObject["IPAddress"];
string DNSDomain = (string)NextObject["DNSDomain"];
// Use the first address in the enumerator, or the first address with a DNS gateway if one exists
// Checking the DNS gateway allows adapters connected to networks to win over adapters earlier in the enumeration that are on a private network, eg connected to console
if (!bFoundAddress || !bFoundAddressWithDNS)
{
AgentInfoUpdate.Configuration["IPAddress"] = IPAddress.Parse(AddressList[0]);
bFoundAddress = true;
if (DNSDomain != null && DNSDomain.Length > 0)
{
bFoundAddressWithDNS = true;
}
}
}
#else
AgentInfoUpdate.Configuration["IPAddress"] = "192.168.0.203";//.2.9";
#endif
// Check if standalone mode is enabled and use that unless we're closing down
if( ( CurrentState != AgentState.Closed ) &&
( AgentApplication.Options.EnableStandaloneMode ) )
{
AgentInfoUpdate.State = AgentState.Standalone;
}
else
{
// Otherwise, pass through the real state
AgentInfoUpdate.State = CurrentState;
}
// A positive return value from the Ping is a request for restart
PingResponse Response = Coordinator.Ping( AgentInfoUpdate );
if( Response == PingResponse.Restart )
{
Log( EVerbosityLevel.Informative, ELogColour.Green, "[PingCoordinator] Restart has been requested" );
#if !__MonoCS__
// Only restart if we're running the published (and restartable) version
if( ApplicationDeployment.IsNetworkDeployed )
{
// Only update the value if we're not already restarting
if( !AgentIsRestarting )
{
// If we've got a signal to restart, request that the agent shutdown
RequestRestart();
}
}
else
{
Log( EVerbosityLevel.Informative, ELogColour.Green, "[PingCoordinator] Restart request ignored for non-published agents" );
}
#endif
}
CoordinatorPinged = true;
}
catch( Exception Ex )
{
// If we fail for any reason, just log it and try again later
Log( EVerbosityLevel.Informative, ELogColour.Orange, "[Ping] Communication with the coordinator failed, job distribution will be disabled until the connection is established" );
Log( EVerbosityLevel.ExtraVerbose, ELogColour.Orange, "Exception details: " + Ex.ToString() );
// Until all open connections are closed, the coordinator is abandoned
CoordinatorResponding = false;
}
}
else
{
AgentApplication.Log( EVerbosityLevel.ExtraVerbose, ELogColour.Green, "[PingCoordinator] Determined that we couldn't ping the coordinator" );
if( Coordinator == null )
{
AgentApplication.Log( EVerbosityLevel.ExtraVerbose, ELogColour.Green, "[PingCoordinator] Coordinator is null" );
}
else if( CoordinatorResponding == false )
{
AgentApplication.Log( EVerbosityLevel.ExtraVerbose, ELogColour.Green, "[PingCoordinator] CoordinatorResponding is false" );
}
else
{
AgentApplication.Log( EVerbosityLevel.ExtraVerbose, ELogColour.Green, "[PingCoordinator] Coordinator ping failed" );
}
}
}
else
{
AgentApplication.Log( EVerbosityLevel.SuperVerbose, ELogColour.Green, "[PingCoordinator] Determined that we shouldn't ping the coordinator right now" );
}
StopTiming();
return CoordinatorPinged;
}
