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# *******************************************************************************
# * Copyright (c) 2011 Wind River Systems, Inc. and others.
# * All rights reserved. This program and the accompanying materials
# * are made available under the terms of the Eclipse Public License v1.0
# * which accompanies this distribution, and is available at
# * http://www.eclipse.org/legal/epl-v10.html
# *
# * Contributors:
# * Wind River Systems - initial API and implementation
# *******************************************************************************
"""
ITerminalsService allows to launch a new terminal on the remote target system.
"""
from tcf import services
# This service name, as it appears on the wire - a TCF name of the service.
NAME = "Terminals"
# Context property names.
# The TCF context ID
PROP_ID = "ID",
# The process ID of the login process of the terminal
PROP_PROCESS_ID = "ProcessID",
# The PTY type
PROP_PTY_TYPE = "PtyType",
# terminal encoding
PROP_ENCODING = "Encoding",
# window width size
PROP_WIDTH = "Width",
# window height size
PROP_HEIGHT = "Height",
# Process standard input stream ID
PROP_STDIN_ID = "StdInID",
# Process standard output stream ID
PROP_STDOUT_ID = "StdOutID",
# Process standard error stream ID
PROP_STDERR_ID = "StdErrID"
class TerminalContext(object):
def __init__(self, props):
self._props = props or {}
def __str__(self):
return "[Terminals Context %s]" % str(self._props)
def getID(self):
"""
Get context ID.
Same as getProperties().get("ID")
"""
return self._props.get(PROP_ID)
def getProcessID(self):
"""
Get process ID of the login process of the terminal.
Same as getProperties().get("ProcessID")
"""
return self._props.get(PROP_PROCESS_ID)
def getPtyType(self):
"""
Get terminal type.
Same as getProperties().get("PtyType")
"""
return self._props.get(PROP_PTY_TYPE)
def getEncoding(self):
"""
Get encoding.
Same as getProperties().get("Encoding")
"""
return self._props.get(PROP_ENCODING)
def getWidth(self):
"""
Get width.
Same as getProperties().get("Width")
"""
return self._props.get(PROP_WIDTH)
def getHeight(self):
"""
Get height.
Same as getProperties().get("Height")
"""
return self._props.get(PROP_HEIGHT)
def getProperties(self):
"""
Get all available context properties.
@return Map 'property name' -> 'property value'
"""
return self._props
def exit(self, done):
"""
Exit the terminal.
@param done - call back interface called when operation is completed.
@return pending command handle, can be used to cancel the command.
"""
raise NotImplementedError("Abstract method")
class TerminalsService(services.Service):
def getName(self):
return NAME
def getContext(self, id, done):
"""
Retrieve context info for given context ID.
A context corresponds to an terminal.
Context IDs are valid across TCF services, so it is allowed to issue
'ITerminals.getContext' command with a context that was obtained,
for example, from Memory service.
However, 'ITerminals.getContext' is supposed to return only terminal specific data,
If the ID is not a terminal ID, 'ITerminals.getContext' may not return any
useful information
@param id - context ID.
@param done - call back interface called when operation is completed.
"""
raise NotImplementedError("Abstract method")
def launch(self, type, encoding, environment, done):
"""
Launch a new terminal to remote machine.
@param type - requested terminal type for the new terminal.
@param encoding - requested encoding for the new terminal.
@param environment - Array of environment variable strings.
if None then default set of environment variables will be used.
@param done - call back interface called when operation is completed.
@return pending command handle, can be used to cancel the command.
"""
raise NotImplementedError("Abstract method")
def setWinSize(self, context_id, newWidth, newHeight, done):
"""
Set the terminal widows size
@param context_id - context ID.
@param signal - signal code.
@param done - call back interface called when operation is completed.
@return pending command handle, can be used to cancel the command.
"""
raise NotImplementedError("Abstract method")
def exit(self, context_id, done):
"""
Exit a terminal.
@param context_id - context ID.
@param done - call back interface called when operation is completed.
@return pending command handle, can be used to cancel the command.
"""
raise NotImplementedError("Abstract method")
def addListener(self, listener):
"""
Add terminals service event listener.
@param listener - event listener implementation.
"""
raise NotImplementedError("Abstract method")
def removeListener(self, listener):
"""
Remove terminals service event listener.
@param listener - event listener implementation.
"""
raise NotImplementedError("Abstract method")
class DoneGetContext(object):
"""
Client call back interface for getContext().
"""
def doneGetContext(self, token, error, context):
"""
Called when contexts data retrieval is done.
@param error - error description if operation failed, None if succeeded.
@param context - context data.
"""
pass
class DoneCommand(object):
def doneCommand(self, token, error):
pass
class DoneLaunch(object):
"""
Call-back interface to be called when "start" command is complete.
"""
def doneLaunch(self, token, error, terminal):
pass
class TerminalsListener(object):
"""
Process event listener is notified when a terminal exits.
Event are reported only for terminals that were started by 'launch' command.
"""
def exited(self, terminal_id, exit_code):
"""
Called when a terminal exits.
@param terminal_id - terminal context ID
@param exit_code - terminal exit code
"""
pass
def winSizeChanged (self, terminal_id, newWidth, newHeight):
"""
Called when a terminal exits.
@param terminal_id - terminal context ID
@param newWidth - new terminal width
@param newHeight - new terminal height
"""
pass
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