get-replication.ps1 #1

## p4get-replicationConfig
## aaron bockelie
function p4get-replicationState
{param($clusterName)
	
	$topology = p4get-replicationTopology #get the topology xml framework
	$configuration = p4get "configure show allservers" #get the server configuration
	$nodeSelectArray = $topology.parent.children | %{$_.hostname} #create an array of children to append data to.
	foreach ($hostname in $nodeSelectArray)
	{
		$p4ReplicationState = $null #clear state for each server.
		$p4replParamNames = $null #need to clear each run to get a consistent result. Otherwise sometimes a non functioning node may report empty counters and data.
		$nodeIndex = ($nodeSelectArray.indexof($hostname)) #get the array index of our list of children nodes
		$p4configParameters = $configuration | ?{$_.servername -eq $hostname} | Select-Object name,value #get the configuration object and select params we want.
		try
		{
			$p4ReplicationState = p4get-replicaHostState $hostname #get the replication state for this node. As soon as the state is grabbed, it's probably out of date since the command starts a pull.
		}
		catch
		{
			write-error $error[0] #return the error stack.
		}
		foreach ($parameter in $p4configParameters) #roll through the static configuration parameters pulled from p4 configure relevant to this replica node
		{
			$topology.parent.children[$nodeIndex].p4config.SetAttribute($parameter.name,$parameter.value) #add the attribute nodes from the p4 config node.
		}
		$topology.parent.children[$nodeIndex].p4config.SetAttribute("hostname",$hostname) #add a hostname for ease of identifying a group of configs.
		#get index of parameters from replication state
		if ($p4ReplicationState)
		{
			$p4replParamNames = $p4ReplicationState | gm | ?{$_.MemberType -eq "NoteProperty"} | %{$_.name} #get a clean list of parameters from the replication state
		}
		foreach ($parameter in $p4replParamNames) #just insert the parameters matching noteproperty 
		{
			$topology.parent.children[$nodeIndex].p4replstate.SetAttribute($parameter,$p4ReplicationState.$parameter) #use the parameter noteproperty names to reference each property and add to xml properties.
		}
		$topology.parent.children[$nodeIndex].p4replstate.SetAttribute("hostname",$hostname)#add a hostname for ease of identifying a group of replication states.
	}
	$topology #return the topology.
}

## p4get-replicationtopology
## aaron bockelie
function p4get-replicationTopology
{param($clusterName,[switch]$all)
	if (!$env:depotsxml)
	{
		write-error "Could not locate depots.xml configuration file."
		break
	}
	$static = ([xml](gc $env:depotsxml))
	if ($all)
	{
		$static.perforce.cluster
	}
	else
	{
		if ($clusterName)
		{
			$result = $static.perforce.cluster | ?{$_.name -match $clusterName}
			if ($result)
			{
				$result
			}
			else
			{
				write-error "No cluster found named $clusterName"
			}
		}
		else
		{
			if ($env:p4server)
			{
				$result = $static.perforce.cluster | ?{$_.name -eq ($static.perforce.depot | ?{$_.name -eq $env:p4server}).clusterName}
				if ($result)
				{
					$result
				}
			}
			else
			{
				write-warning "Not logged in via p4login. Returning topology of all replica groups."
				$static.perforce.cluster
			}
		}
	}
}


## p4get-replicaHostState
## aaron bockelie
function p4get-replicaHostState
{param($clusterMember)
	function getReplState #internal function to pull replication state and fix timedate stamp in resultant data
	{
		$servercheck = p4get-server #get state of logged in
		$replTopology = p4get-replicationTopology -clusterName ($static.perforce.depot | ?{$_.name -eq $env:p4server} | %{$_.clusterName}) #fetch the topology matching this server.
		if ($replTopology.parent.hostname -notcontains $servercheck.server) #if the master in the topology does not match this server return state
		{
			$object = p4get "pull -l -j"
			$object.replicaTime = convertUnixTime $object.replicaTime
			$object.replicaStatefileModified = convertUnixTime $object.replicaStatefileModified
			$object
		}
		else
		{ #if the server master matches logged in server, write a warning.
			write-warning "Cannot pull replication state on master server."
		}
	}
	if (!$env:depotsxml) #look for depots.xml, it's key to repl topology
	{
		write-error "Could not locate depots.xml configuration file."
		break
	}
	$originalServer = $env:p4server #store original server in case we're logged into a master server (can't pull repl state from master)
	$servercheck = p4get-server #get state of logged in
	if ($servercheck.pingsuccess.equals($true)) #if we're valid login
	{
		$static = ([xml](gc $env:depotsxml)) #parse xml object
		if ($clusterMember) #if the clustermember switch is specified, query that specific server.
		{
			$null = p4sudo $clusterMember 2>&1#sign into target
			getReplState #get state
			$null = p4sudo $originalserver 2>&1 #return to original server signin
		}
		else
		{
			getReplState
		}
	}
}