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/usr/bin/ladish_control is in ladish 1+dfsg0-5.1.

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#! /usr/bin/python
#
# LADI Session Handler (ladish)
#
# Copyright (C) 2008, 2009, 2010, 2011 Nedko Arnaudov <nedko@arnaudov.name>
#
#*************************************************************************
# This file contains code of the commandline control app
#*************************************************************************
#
# LADI Session Handler is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LADI Session Handler is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
# or write to the Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

service_name = 'org.ladish'

control_object_path = "/org/ladish/Control"
studio_object_path = "/org/ladish/Studio"

control_interface_name = 'org.ladish.Control'
studio_interface_name = 'org.ladish.Studio'
app_supervisor_interface_name = 'org.ladish.AppSupervisor'
room_interface_name = 'org.ladish.Room'
patchbay_interface_name = 'org.jackaudio.JackPatchbay'

import sys
import os
import time
from traceback import print_exc

import dbus

def bool_convert(str_value):
    if str_value.lower() == "false":
        return False

    if str_value.lower() == "off":
        return False

    if str_value.lower() == "no":
        return False

    if str_value == "0":
        return False

    if str_value.lower() == "(null)":
        return False

    return bool(str_value)

def dbus_type_to_python_type(dbus_value):
    if type(dbus_value) == dbus.Boolean:
        return bool(dbus_value)
    if type(dbus_value) == dbus.Int32 or type(dbus_value) == dbus.UInt32:
        return int(dbus_value)
    return dbus_value

def dbus_type_to_type_string(dbus_value):
    if type(dbus_value) == dbus.Boolean:
        return "bool"
    if type(dbus_value) == dbus.Int32:
        return "sint"
    if type(dbus_value) == dbus.UInt32:
        return "uint"
    if type(dbus_value) == dbus.Byte:
        return "char"
    if type(dbus_value) == dbus.String:
        return "str"

    return None                         # throw exception here?

def dbus_typesig_to_type_string(type_char):
    type_char = str(type_char)
    if type_char == 'i':
        return "sint"
    if type_char == 'u':
        return "uint"
    if type_char == 'y':
        return "char"
    if type_char == 's':
        return "str"
    if type_char == 'b':
        return "bool"

    print('unknown dbus typesig')
    return None                         # throw exception here?

def parse_new_app_args(params_array):
    #print params_array
    cmdline = params_array[0]
    index = 1

    name = ''
    level = '0'
    term = False

    if index < len(params_array):
        if params_array[index] == '-':
            return index + 1, cmdline, name, level, term
        name = params_array[index]
        index += 1

    if index < len(params_array):
        if params_array[index] == '-':
            return index + 1, cmdline, name, level, term
        # direct conversion to dbus.Byte is wrong because ord() is used ("1" -> 0x31 instead of "1" -> 0x01)
        level = params_array[index]
        index += 1

    if index < len(params_array):
        if params_array[index] == '-':
            return index + 1, cmdline, name, level, term
        if params_array[index] == 'term':
            term = True
            index += 1

    if index < len(params_array) and  params_array[index] == '-':
        index += 1

    return index, cmdline, name, level, term

def add_app(obj, cmdline, name, level, term):
    dbus.Interface(obj, app_supervisor_interface_name).RunCustom2(term, cmdline, name, level)

def get_room_obj_by_name(bus, studio_iface, room_name):
    for room in studio_iface.GetRoomList():
        #print repr(room)
        opath = room[0]
        name = room[1]["name"]
        if name == room_name:
            return bus.get_object(service_name, opath)

def dump_graph(obj):
    patchbay_iface = dbus.Interface(obj, patchbay_interface_name)
    graph = patchbay_iface.GetGraph(0)
    for client in graph[1]:
        print '"%s"' % client[1]
        for port in client[2]:
            port_flags = port[2]
            if (port_flags & 1) != 0:
                port_flags = "input"
            elif (port_flags & 2) != 0:
                port_flags = "output"
            else:
                port_flags = "unknown"

            port_type = port[3]
            if port_type == 0:
                port_type = "audio"
            elif port_type == 1:
                port_type = "midi"
            else:
                port_type = "unknown"

            print '  "%s" [%s %s]' % (port[1], port_flags, port_type)
    print
    if len(graph[2]):
        if len(graph[2]) == 1:
            print "1 connection:"
        else:
            print "%u connections:" % len(graph[2])
        for connection in graph[2]:
            print '"%s":"%s" -> "%s":"%s"' % (connection[1], connection[3], connection[5], connection[7])
    else:
        print "0 connections."

def main():
    if len(sys.argv) == 1:
        argv0 = os.path.basename(sys.argv[0])
        print("Usage: %s [command] [command] ..." % argv0)
        print("Commands:")
        print("    exit                      - exit ladish dbus service")
        print("    slist                     - list studios")
        print("    alist                     - list apps")
        print("    sload <studioname>        - load studio")
        print("    sdel <studioname>         - delete studio")
        print("    snew [studioname]         - new studio")
        print("    sisloaded                 - is studio loaded?")
        print("    sname                     - get studio name")
        print("    ssave                     - save studio")
        print("    sunload                   - unload studio")
        print("    srename <studioname>      - rename studio")
        print("    sstart                    - start studio")
        print("    sstop                     - stop studio")
        print("    rtlist                    - list room templates")
        print("    rtdel <roomtemplatename>  - delete room template")
        print("    rtnew <roomtemplatename>  - create new room template")
        print("    snewroom <rname> <rtname> - create new studio room")
        print("    srlist                    - list studio rooms")
        print("    sdelroom <rname>          - delete studio room")
        print("    pload <rname> <proj_dir>  - load project into room")
        print("    punload <rname>           - unload project from room")
        print("    psave <rname>             - save project")
        print("    psaveas <rname> <proj_dir> <proj_name>  - save as project")
        print("    snewapp <appargs>         - add new app to studio (see below for more info)")
        print("    rnewapp <rname> <appargs> - add new app to room (see below for more info)")
        print("    sgdump                    - studio graph dump")
        print("    rgdump <rname>            - room graph dump")
        print("    sconnect <client1> <port1> <client2> <port2>            - connect ports in studio");
        print("    sdisconnect <client1> <port1> <client2> <port2>         - disconnect ports in studio");
        print("    rconnect <rname> <client1> <port1> <client2> <port2>    - connect ports in studio");
        print("    rdisconnect <rname> <client1> <port1> <client2> <port2> - disconnect ports in room");
        print("");
        print("Add new app arguments:");
        print("    <commandline> [<name> [<level>] [term]] [-]");
        print("");
        print("    <commandline> - the commandline to execut");
        print("    <name>  - app name");
        print("    <level> - level, default is 0");
        print("    term    - if specified, app will be run in terminal");
        print("    -       - marks end of new app params, useful if there are other commands following");
        print("");
        print("Examples:");
        print("");
        print(" * Add to studio jack_mixer instance named \"mixer\", at level 1, without terminal");
        print("");
        print("    $ %s snewapp jack_mixer mixer 1" % argv0);
        print("");
        print(" * Add to room \"main\" fluidjack instance named \"fluid\", at level 0, with terminal");
        print("");
        print("    $ %s rnewapp main \"fluidjack FluidR3.SF2\" fluid 0 term" % argv0);
        print("");
        sys.exit(0)
    
    bus = dbus.SessionBus()
    control_obj = None
    studio_obj = None

    # check arguments
    index = 1
    while index < len(sys.argv):
        arg = sys.argv[index]
        index += 1
        try:
            if not control_obj:
                control_obj = bus.get_object(service_name, control_object_path)
                control_iface = dbus.Interface(control_obj, control_interface_name)
            
            if arg == "exit":
                print("--- exit")
                control_iface.Exit()
                time.sleep(1)
                # we have deactivated the object and we need to get new connection if there are more commands
                control_obj = None
                control_iface = None
            elif arg == 'slist':
                print("--- studio list")
                for studio in control_iface.GetStudioList():
                    name = studio[0]
                    mtime = studio[1]['Modification Time']
                    print('"%s" last modified on %s' % (name, time.ctime(mtime)))
            elif arg == 'alist':
                print("--- app list")
                for app in control_iface.GetApplicationList():
                    print(app)
            elif arg == 'sload':
                print("--- studio load")
                if index >= len(sys.argv):
                    print("load studio command requires studio name argument")
                    sys.exit()

                arg = sys.argv[index]
                index += 1

                open_options = {}
                #open_options["option1"] = "asd"
                #open_options["option2"] = True

                control_iface.LoadStudio(arg, open_options)
            elif arg == 'sdel':
                print("--- studio delete")
                if index >= len(sys.argv):
                    print("delete studio command requires studio name argument")
                    sys.exit()

                arg = sys.argv[index]
                index += 1

                control_iface.DeleteStudio(arg)
            elif arg == 'snew':
                print("--- studio new")
                name = ""
                if index < len(sys.argv):
                    name = sys.argv[index]
                    index += 1

                control_iface.NewStudio(name)
            elif arg == 'sisloaded':
                print("--- studio is loaded")
                if control_iface.IsStudioLoaded():
                    print("yes")
                else:
                    print("no")
            elif arg == 'rtlist':
                print("--- list room templates")
                for studio in control_iface.GetRoomTemplateList():
                    name = studio[0]
                    print('"%s"' % name)
            elif arg == 'rtnew':
                print("--- create new room template")
                if index >= len(sys.argv):
                    print("create new room template command requires room template name argument")
                    sys.exit()

                arg = sys.argv[index]
                index += 1

                control_iface.CreateRoomTemplate(arg)
            elif arg == 'rtdel':
                print("--- delete room template")
                if index >= len(sys.argv):
                    print("delete room template command requires room template name argument")
                    sys.exit()

                arg = sys.argv[index]
                index += 1

                control_iface.DeleteRoomTemplate(arg)
            else:
                if not studio_obj:
                    studio_obj = bus.get_object(service_name, studio_object_path)
                    studio_iface = dbus.Interface(studio_obj, studio_interface_name)

                if arg == 'sname':
                    print("--- studio get name")
                    print("\"%s\"" % studio_iface.GetName())
                elif arg == 'ssave':
                    print("--- studio save")
                    studio_iface.Save()
                elif arg == 'sunload':
                    print("--- studio unload")
                    studio_iface.Unload()
                    studio_obj = None
                    studio_iface = None
                elif arg == 'srename':
                    print("--- studio rename")
                    if index >= len(sys.argv):
                        print("rename studio command requires studio name argument")
                        sys.exit()

                    arg = sys.argv[index]
                    index += 1

                    studio_iface.Rename(arg)
                elif arg == 'sstart':
                    print("--- studio start")
                    studio_iface.Start()
                elif arg == 'sstop':
                    print("--- studio stop")
                    studio_iface.Stop()
                elif arg == 'snewroom':
                    print("--- create new studio room")
                    if index + 1 >= len(sys.argv):
                        print("creation of studio room requires room name and room template name arguments")
                        sys.exit()

                    room_name = sys.argv[index]
                    index += 1
                    room_template_name = sys.argv[index]
                    index += 1

                    studio_iface.CreateRoom(room_name, room_template_name)
                elif arg == 'srlist':
                    print("--- list studio rooms")
                    for room in studio_iface.GetRoomList():
                        #print repr(room)
                        opath = room[0]
                        name = room[1]["name"]
                        if room[1].has_key("template"):
                            template = str(room[1]["template"])
                        else:
                            template = None

                        if template:
                            print('"%s" from template "%s" (%s)' % (name, template, opath))
                        else:
                            print('"%s" (%s)' % (name, opath))
                elif arg == 'sdelroom':
                    print("--- delete studio room")
                    if index >= len(sys.argv):
                        print("delete studio room command requires room name argument")
                        sys.exit()

                    arg = sys.argv[index]
                    index += 1

                    studio_iface.DeleteRoom(arg)
                elif arg == 'pload':
                    print("--- load project")
                    if index + 1 >= len(sys.argv):
                        print("load project command requires room name and project dir arguments")
                        sys.exit()

                    room_name = sys.argv[index]
                    index += 1
                    project_dir = sys.argv[index]
                    index += 1

                    dbus.Interface(get_room_obj_by_name(bus, studio_iface, room_name), room_interface_name).LoadProject(project_dir)
                elif arg == 'punload':
                    print("--- unload project")
                    if index >= len(sys.argv):
                        print("load project command requires room name argument")
                        sys.exit()

                    room_name = sys.argv[index]
                    index += 1

                    dbus.Interface(get_room_obj_by_name(bus, studio_iface, room_name), room_interface_name).UnloadProject()
                elif arg == 'psave':
                    print("--- save project")
                    if index >= len(sys.argv):
                        print("save project command requires room name argument")
                        sys.exit()

                    room_name = sys.argv[index]
                    index += 1

                    dbus.Interface(get_room_obj_by_name(bus, studio_iface, room_name), room_interface_name).SaveProject("", "")
                elif arg == 'psaveas':
                    print("--- save project as")
                    if index + 2 >= len(sys.argv):
                        print("save project as command requires room name, project dir and project name arguments")
                        sys.exit()

                    room_name = sys.argv[index]
                    index += 1
                    project_dir = sys.argv[index]
                    index += 1
                    project_name = sys.argv[index]
                    index += 1

                    dbus.Interface(get_room_obj_by_name(bus, studio_iface, room_name), room_interface_name).SaveProject(project_dir, project_name)
                elif arg == 'snewapp':
                    print("--- new studio app")
                    count, cmdline, name, level, term = parse_new_app_args(sys.argv[index:])
                    index += count
                    add_app(studio_obj, cmdline, name, level, term)
                elif arg == 'rnewapp':
                    print("--- new room app")
                    arg = sys.argv[index]
                    index += 1

                    count, cmdline, name, level, term = parse_new_app_args(sys.argv[index:])
                    index += count

                    add_app(get_room_obj_by_name(bus, studio_iface, arg), cmdline, name, level, term)
                elif arg == "sgdump":
                    print('--- dump studio graph')
                    dump_graph(studio_obj)
                elif arg == "rgdump":
                    if index >= len(sys.argv):
                        print("rgdump command requires room name argument")
                        sys.exit()
                    rname = sys.argv[index]
                    index += 1
                    print('--- dump room "' + rname + '" graph')
                    room_obj = get_room_obj_by_name(bus, studio_obj, rname)
                    dump_graph(room_obj)
                elif arg == "sconnect":
                    if index + 4 > len(sys.argv):
                        print("sconnect command requires client1, port1, client2 and port2 arguments")
                        sys.exit()
                    c1 = sys.argv[index]
                    p1 = sys.argv[index + 1]
                    c2 = sys.argv[index + 2]
                    p2 = sys.argv[index + 3]
                    index += 4
                    print('--- connect studio port "' + c1 + '":"' + p1 + '" to "' + c2 + '":"' + p2 + '"')
                    patchbay_iface = dbus.Interface(studio_obj, patchbay_interface_name)
                    patchbay_iface.ConnectPortsByName(c1, p1, c2, p2)
                elif arg == "sdisconnect":
                    if index + 4 > len(sys.argv):
                        print("sdisconnect command requires client1, port1, client2 and port2 arguments")
                        sys.exit()
                    c1 = sys.argv[index]
                    p1 = sys.argv[index + 1]
                    c2 = sys.argv[index + 2]
                    p2 = sys.argv[index + 3]
                    index += 4
                    print('--- disconnect studio port "' + c2 + '":"' + p2 + '" from "' + c1 + '":"' + p1 + '"')
                    patchbay_iface = dbus.Interface(studio_obj, patchbay_interface_name)
                    patchbay_iface.DisconnectPortsByName(c1, p1, c2, p2)
                elif arg == "rconnect":
                    if index + 5 > len(sys.argv):
                        print("rconnect command requires rname, client1, port1, client2 and port2 arguments")
                        sys.exit()
                    rname = sys.argv[index]
                    c1 = sys.argv[index + 1]
                    p1 = sys.argv[index + 2]
                    c2 = sys.argv[index + 3]
                    p2 = sys.argv[index + 4]
                    index += 5
                    print('--- connect room "' + rname + '" port "' + c1 + '":"' + p1 + '" to "' + c2 + '":"' + p2 + '"')
                    room_obj = get_room_obj_by_name(bus, studio_iface, rname)
                    patchbay_iface = dbus.Interface(room_obj, patchbay_interface_name)
                    patchbay_iface.ConnectPortsByName(c1, p1, c2, p2)
                elif arg == "rdisconnect":
                    if index + 5 > len(sys.argv):
                        print("rdisconnect command requires rname, client1, port1, client2 and port2 arguments")
                        sys.exit()
                    rname = sys.argv[index]
                    c1 = sys.argv[index + 1]
                    p1 = sys.argv[index + 2]
                    c2 = sys.argv[index + 3]
                    p2 = sys.argv[index + 4]
                    index += 5
                    print('--- disconnect room "' + rname + '" port "' + c2 + '":"' + p2 + '" from "' + c1 + '":"' + p1 + '"')
                    room_obj = get_room_obj_by_name(bus, studio_iface, rname)
                    patchbay_iface = dbus.Interface(room_obj, patchbay_interface_name)
                    patchbay_iface.DisconnectPortsByName(c1, p1, c2, p2)
                else:
                    print("Unknown command '%s'" % arg)
        except dbus.DBusException, e:
            print("DBus exception: %s" % str(e))

if __name__ == '__main__':
    main()