/**
* Pulls a remote channel from the remote agent via the remote connection parameter.
*
* @param Remote Remote connection.
* @param ChannelName The name of the file to pull.
* @param JobGuid A guid of the job.
* @param RetriesOnFailure How many times should the pull fail until return a failure.
*
* @returns True on success. False otherwise.
*/
public bool PullChannel(RemoteConnection Remote, string ChannelName, AgentGuid JobGuid, int RetriesOnFailure = int.MaxValue)
{
StartTiming("PullChannel-Internal", true);
// The remote connection's handle can be used for all interaction because
// it has the same meaning on both ends of the connection
Int32 ConnectionHandle = Remote.Handle;
// Request the file, which will push it back, and keep doing so until we get it
// or until the connection is dead, which ever comes first
bool bChannelTransferred = false;
int TryId = 0;
while ((Remote.Interface.IsAlive()) &&
(bChannelTransferred == false) &&
(TryId < RetriesOnFailure))
{
try
{
bChannelTransferred = Remote.Interface.RequestChannel(ConnectionHandle, ChannelName, JobGuid);
}
catch (Exception Ex)
{
Log(EVerbosityLevel.Verbose, ELogColour.Red, "[PullChannel] Exception message: " + Ex.ToString());
}
if(!bChannelTransferred)
{
Log(EVerbosityLevel.Verbose, ELogColour.Red, string.Format("[PullChannel] Pulling the channel {0} has failed! Retry {1} of {2}.", ChannelName, TryId + 1, RetriesOnFailure));
}
++TryId;
}
StopTiming();
return bChannelTransferred;
}
/**
* Pushes a local channel to the remote agent via the remote connection parameter
* by calling SendChannel on the remote agent
*/
public bool PushChannel(RemoteConnection Remote, string ChannelName, AgentGuid JobGuid)
{
StartTiming("PushChannel-Internal", true);
bool bChannelTransferred = false;
// The remote connection's handle can be used for all interaction because
// it has the same meaning on both ends of the connection
Int32 ConnectionHandle = Remote.Handle;
EChannelFlags ChannelFlags = EChannelFlags.ACCESS_READ;
if (JobGuid == null)
{
ChannelFlags |= EChannelFlags.TYPE_PERSISTENT;
}
else
{
ChannelFlags |= EChannelFlags.TYPE_JOB_ONLY;
}
Hashtable OpenInParameters = new Hashtable();
OpenInParameters["Version"] = ESwarmVersionValue.VER_1_0;
OpenInParameters["ChannelName"] = ChannelName;
OpenInParameters["ChannelFlags"] = ChannelFlags;
Hashtable OpenOutParameters = null;
Int32 LocalChannelHandle = OpenChannel_1_0(ConnectionHandle, OpenInParameters, ref OpenOutParameters);
if (LocalChannelHandle >= 0)
{
try
{
string FullChannelName;
if (JobGuid == null)
{
FullChannelName = Path.Combine(AgentApplication.Options.CacheFolder, ChannelName);
}
else
{
string AllJobsFolder = Path.Combine(AgentApplication.Options.CacheFolder, "Jobs");
string ThisJobFolder = Path.Combine(AllJobsFolder, "Job-" + JobGuid.ToString());
FullChannelName = Path.Combine(ThisJobFolder, ChannelName);
}
// Read the entire file into a byte stream
byte[] ChannelData = File.ReadAllBytes(FullChannelName);
// Send the entire channel at once
bChannelTransferred = Remote.Interface.SendChannel(ConnectionHandle, ChannelName, ChannelData, JobGuid);
// If the channel was transferred, track the number of bytes that actually moved across the network
if (bChannelTransferred)
{
FileInfo ChannelInfo = new FileInfo(FullChannelName);
Remote.NetworkBytesSent += ChannelInfo.Length;
if (Remote.Job != null)
{
Remote.Job.NetworkBytesSent += ChannelInfo.Length;
}
if (Remote.Parent != null)
{
Remote.Parent.NetworkBytesSent += ChannelInfo.Length;
}
}
}
catch (Exception Ex)
{
Log(EVerbosityLevel.Verbose, ELogColour.Red, "[PushChannel] Exception message: " + Ex.ToString());
}
Hashtable CloseInParameters = new Hashtable();
CloseInParameters["Version"] = ESwarmVersionValue.VER_1_0;
CloseInParameters["ChannelHandle"] = LocalChannelHandle;
Hashtable CloseOutParameters = null;
CloseChannel_1_0(ConnectionHandle, CloseInParameters, ref CloseOutParameters);
if (bChannelTransferred)
{
Log(EVerbosityLevel.Verbose, ELogColour.Green, "[Channel] Successful channel push of " + ChannelName);
}
else
{
Log(EVerbosityLevel.Verbose, ELogColour.Red, string.Format("[PushChannel] Pushing the channel {0} has failed!", ChannelName));
}
}
else
{
Log(EVerbosityLevel.Informative, ELogColour.Red, string.Format("[PushChannel] Cannot open local channel {0}.", ChannelName));
}
StopTiming();
return bChannelTransferred;
}
public OpenJobOnRemoteData( AgentJob NewJob, RemoteConnection NewRemote )
{
Job = NewJob;
Remote = NewRemote;
}
