private byte[] core_open_stream_channel(byte[] args)
{
List <byte> request = new List <byte>(args);
int stream_id = Struct.extractInt32(request);
byte passthrough_byte = Struct.extractByte(request);
bool passthrough = false;
if (passthrough_byte == 1)
{
passthrough = true;
}
// check if stream is present
bool exists = this.hasStream(stream_id);
if (!exists)
{
throw new Exception(String.Format("Stream with ID '{0}' doesn't exist", stream_id));
}
// create stream channel
Stream stream = this.getStream(stream_id);
StreamChannel sc = new StreamChannel(stream, this.callbackChannelOutputPresent, this.triggerProcessingNeeded, passthrough);
//add stream channel to transport layer channels
this.AddChannel(sc);
//return stream id
UInt32 result = sc.ID;
List <byte> response = Struct.packUInt32(result);
return(response.ToArray());
}
private byte[] core_create_proc(byte[] args)
{
List <byte> data = new List <byte>(args);
// first byte indicates if STDIN, STDOUT and STDERR should be streamed to channels
bool use_channels = (Struct.extractByte(data) != 0);
string proc_filename = Struct.extractNullTerminatedString(data);
string proc_args = Struct.extractNullTerminatedString(data);
ClientProcess proc = new ClientProcess(proc_filename, proc_args, use_channels, this.callbackChannelOutputPresent, this.triggerProcessingNeeded); //starts the process already
proc.registerOnExitCallback(this.onProcessExit);
if (use_channels)
{
this.AddChannel(proc.Ch_stdin);
this.AddChannel(proc.Ch_stdout);
this.AddChannel(proc.Ch_stderr);
/*
* proc.Ch_stdin = this.tl.CreateChannel(Channel.Types.IN, Channel.Encodings.UTF8);
* proc.Ch_stdout = this.tl.CreateChannel(Channel.Types.OUT, Channel.Encodings.UTF8);
* proc.Ch_stderr = this.tl.CreateChannel(Channel.Types.OUT, Channel.Encodings.UTF8);
*/
}
//generate method response
List <byte> resp = Struct.packUInt32((UInt32)proc.Id);
if (use_channels)
{
resp = Struct.packByte(1, resp);
resp = Struct.packUInt32(proc.Ch_stdin.ID, resp);
resp = Struct.packUInt32(proc.Ch_stdout.ID, resp);
resp = Struct.packUInt32(proc.Ch_stderr.ID, resp);
}
else
{
resp = Struct.packByte(0, resp);
resp = Struct.packUInt32(0, resp);
resp = Struct.packUInt32(0, resp);
resp = Struct.packUInt32(0, resp);
}
Monitor.Enter(this.pendingClientProcessesLock);
this.pending_client_processes.Add(proc.Id, proc);
Monitor.Exit(this.pendingClientProcessesLock);
//throw new ClientMethodException(String.Format("Not implemented: Trying to start proc '{0}' with args: {1}", proc_filename, proc_args));
return(resp.ToArray());
}
public override void EnqueueInput(byte[] data)
{
List <byte> data_list = new List <byte>(data);
byte data_type = Struct.extractByte(data_list);
if (data_type == 0) //normal data
{
data = data_list.ToArray();
this.stream.Write(data, 0, data.Length);
Console.WriteLine(String.Format("Written to stream: {0}", data));
}
else
{
dispatchControlMessage(data_list);
}
}
/*
* //REMOVE, obsolete
* private byte[] core_create_filechannel(byte[] args)
* {
* List<byte> request = new List<byte>(args);
* String local_filename = Struct.extractNullTerminatedString(request);
* String local_file_access_mode = Struct.extractNullTerminatedString(request);
* Byte local_file_target = Struct.extractByte(request); //0 = disc, 1 = in memory
* Byte local_file_force = Struct.extractByte(request); //0 = don't force, 1= force (if force is set, non existing file get overwritten on WRITE, and non existing files are created on READWRITE
*
*
* //create the file channel, on error an exception will be thrown and handled by the caller
* FileChannel fc = new FileChannel(this.tl.setOutputProcessingNeeded, local_filename, local_file_access_mode, local_file_target, (local_file_force == 1));
*
* //String response = String.Format("Created file channel for '{0}', access '{1}', mode: {2}, force {3}", local_filename, local_file_access_mode, local_file_target, local_file_force);
*
* //if we are here, channel creation succeded and we return the channel ID as response
* List<byte> response = Struct.packUInt32(fc.ID);
* return response.ToArray();
* }
*/
private byte[] core_fs_open_file(byte[] args)
{
List <byte> request = new List <byte>(args);
String filename = Struct.extractNullTerminatedString(request);
FileMode fm = (FileMode)Struct.extractByte(request);
FileAccess fa = (FileAccess)Struct.extractByte(request);
FileStream fs = File.Open(filename, fm, fa);
this.addStream(fs); //store this in global list of opened streams
int result = fs.GetHashCode(); //return stream id
//if we are here, channel creation succeded and we return the channel ID as response
List <byte> response = Struct.packInt32(result);
return(response.ToArray());
}
