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Factor out a very simple p2p messaging system from chat

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This commit is contained in:
Marco Pesenti Gritti 2006-05-04 16:11:16 -04:00
parent 14d572e72a
commit 91670df8b2
3 changed files with 207 additions and 81 deletions
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23
browser/browser.py
View File

@ -115,6 +115,16 @@ class NavigationToolbar(gtk.Toolbar):
self.insert(self.reload, -1)
self.reload.show()
separator = gtk.SeparatorToolItem()
self.insert(separator, -1)
separator.show()
item = gtk.MenuToolButton(None, "Share")
item.set_menu(gtk.Menu())
item.connect("show-menu", self.__show_share_menu_cb)
toolbar.insert(item, -1)
item.show()
separator = gtk.SeparatorToolItem()
self.insert(separator, -1)
separator.show()
@ -145,7 +155,20 @@ class NavigationToolbar(gtk.Toolbar):
def __open_address_cb(self, address):
self.embed.load_address(address)
def __show_share_menu_cb(self, button):
menu = gtk.Menu()
item = gtk.MenuItem("Group", False)
item.connect("activate", self.__share_group_activate_cb)
menu.append(item)
item.show()
button.set_menu(menu)
def __share_group_activate_cb(self, item, link):
pass
class BrowserActivity(activity.Activity):
def __init__(self, uri):
activity.Activity.__init__(self)

107
chat/chat.py
View File

@ -10,8 +10,6 @@ pygtk.require('2.0')
import gtk, gobject
import sys
import os
import pwd
import socket
try:
@ -21,12 +19,9 @@ except ImportError:
from sugar import activity
from sugar.sugar_globals import *
import presence
import BuddyList
import network
import richtext
import xmlrpclib
import p2p
class Chat(activity.Activity):
def __init__(self, controller):
@ -166,7 +161,7 @@ class Chat(activity.Activity):
aniter = buffer.get_end_iter()
buffer.insert(aniter, message)
else:
(nick, realname) = self._controller.local_name()
nick = p2p.Owner.get_instance().get_nick()
self._insert_rich_message(nick, text)
class BuddyChat(Chat):
@ -175,72 +170,55 @@ class BuddyChat(Chat):
self._act_name = "Chat: %s" % buddy.nick()
Chat.__init__(self, controller)
def _start(self):
group = p2p.Group.get_instance()
input_pipe = InputPipe(group, "buddy-chat")
input_pipe.listen(self.recv_message)
self._output_pipe = OutputPipe(group, "buddy-chat")
def activity_on_connected_to_shell(self):
Chat.activity_on_connected_to_shell(self)
self.activity_set_can_close(True)
self.activity_set_tab_icon_name("im")
self.activity_show_icon(True)
def recv_message(self, msg):
def recv_message(self, sender, msg):
Chat.recv_message(self, self._buddy, msg)
def send_message(self, text):
if len(text) <= 0:
return
addr = "http://%s:%d" % (self._buddy.address(), self._buddy.port())
peer = xmlrpclib.ServerProxy(addr)
msg = text
success = True
try:
peer.message(text)
except (socket.error, xmlrpclib.Fault), e:
msg = str(e)
success = False
self._local_message(success, msg)
if len(text) > 0:
self._output_pipe.send(self._buddy, text)
self._local_message(success, msg)
def activity_on_close_from_user(self):
Chat.activity_on_close_from_user(self)
self._buddy.set_chat(None)
class ChatRequestHandler(object):
def __init__(self, parent):
self._parent = parent
def message(self, message):
client_address = network.get_authinfo()
buddy = self._parent.find_buddy_by_address(client_address[0])
if buddy:
chat = buddy.chat()
if not chat:
chat = BuddyChat(self._parent, buddy)
buddy.set_chat(chat)
chat.activity_connect_to_shell()
chat.recv_message(message)
return True
class GroupChat(Chat):
_MODEL_COL_NICK = 0
_MODEL_COL_ICON = 1
_MODEL_COL_BUDDY = 2
_CHAT_SERVER_PORT = 6666
def __init__(self):
self._act_name = "Chat"
self._pannounce = presence.PresenceAnnounce()
(self._nick, self._realname) = self._get_name()
self._buddy_list = BuddyList.BuddyList(self._realname)
self._buddy_list.add_buddy_listener(self._on_buddy_presence_event)
bus = dbus.SessionBus()
proxy_obj = bus.get_object('com.redhat.Sugar.Browser', '/com/redhat/Sugar/Browser')
self._browser_shell = dbus.Interface(proxy_obj, 'com.redhat.Sugar.BrowserShell')
Chat.__init__(self, self)
def _start(self):
group = p2p.Group.get_instance()
self._buddy_list = group.get_buddy_list()
self._buddy_list.add_buddy_listener(self._on_buddy_presence_event)
input_pipe = p2p.InputPipe(group, "group-chat")
input_pipe.listen(self.recv_message)
self._output_pipe = p2p.BroadcastOutputPipe(group, "group-chat")
def _create_sidebar(self):
vbox = gtk.VBox(False, 6)
@ -293,19 +271,6 @@ class GroupChat(Chat):
sidebar.show()
self._plug.show_all()
def _start(self):
self._buddy_list.start()
self._pannounce.register_service(self._realname, self._CHAT_SERVER_PORT, presence.OLPC_CHAT_SERVICE,
name = self._nick, realname = self._realname)
# Create the P2P chat XMLRPC server
self._p2p_req_handler = ChatRequestHandler(self)
self._p2p_server = network.GlibXMLRPCServer(("", self._CHAT_SERVER_PORT))
self._p2p_server.register_instance(self._p2p_req_handler)
self._gc_controller = network.GroupChatController('224.0.0.221', 6666, self._recv_group_message)
self._gc_controller.start()
def activity_on_connected_to_shell(self):
Chat.activity_on_connected_to_shell(self)
@ -321,16 +286,6 @@ class GroupChat(Chat):
Chat.activity_on_disconnected_from_shell(self)
gtk.main_quit()
def _get_name(self):
ent = pwd.getpwuid(os.getuid())
nick = ent[0]
if not nick or not len(nick):
nick = "n00b"
realname = ent[4]
if not realname or not len(realname):
realname = "Some Clueless User"
return (nick, realname)
def _on_buddyList_buddy_selected(self, widget, *args):
(model, aniter) = widget.get_selection().get_selected()
name = self._buddy_list_model.get(aniter, self._MODEL_COL_NICK)
@ -372,25 +327,15 @@ class GroupChat(Chat):
aniter = self._get_iter_for_buddy(buddy)
self._buddy_list_model.set(aniter, self._MODEL_COL_ICON, self._pixbuf_active_chat)
def find_buddy_by_address(self, address):
return self._buddy_list.find_buddy_by_address(address)
def local_name(self):
return (self._nick, self._realname)
def send_message(self, text):
if len(text) > 0:
self._gc_controller.send_msg(text)
self._output_pipe.send(text)
self._local_message(True, text)
def recv_message(self, buddy, msg):
self._insert_rich_message(buddy.nick(), msg)
self._controller.notify_new_message(self, None)
def _recv_group_message(self, msg):
buddy = self.find_buddy_by_address(msg['addr'])
if buddy:
self.recv_message(buddy, msg['data'])
self._insert_rich_message(buddy.nick(), msg)
self._controller.notify_new_message(self, None)
def run(self):
try:

158
chat/p2p.py Normal file
View File

@ -0,0 +1,158 @@
import os
import pwd
import presence
import BuddyList
import network
class GroupRequestHandler(object):
def __init__(self, group):
self._group = group
def message(self, message):
address = network.get_authinfo()
self._group.recv(address, message)
class Owner:
instance = None
def __init__(self):
ent = pwd.getpwuid(os.getuid())
self._nick = ent[0]
if not self._nick or not len(self._nick):
self._nick = "n00b"
self._realname = ent[4]
if not self._realname or not len(self._realname):
self._realname = "Some Clueless User"
def get_realname(self):
return self._realname
def get_nick(self):
return self._nick
def get_instance():
if not Owner.instance:
Owner.instance = Owner()
return Owner.instance
get_instance = staticmethod(get_instance)
class Group:
instance = None
_SERVER_PORT = 6666
def __init__(self):
self._pipes = {}
def get_instance():
if not Group.instance:
Group.instance = Group()
Group.instance.join()
return Group.instance
get_instance = staticmethod(get_instance)
def join(self):
self._pannounce = presence.PresenceAnnounce()
realname = Owner.get_instance().get_realname()
nick = Owner.get_instance().get_nick()
self._buddy_list = BuddyList.BuddyList(realname)
self._buddy_list.start()
self._pannounce.register_service(realname, self._SERVER_PORT, presence.OLPC_CHAT_SERVICE,
name = nick, realname = realname)
self._p2p_req_handler = GroupRequestHandler(self)
self._p2p_server = network.GlibXMLRPCServer(("", self._SERVER_PORT))
self._p2p_server.register_instance(self._p2p_req_handler)
self._gc_controller = network.GroupChatController('224.0.0.221', 6666, self._recv_group_message)
self._gc_controller.start()
def get_buddy_list(self):
return self._buddy_list
def _serialize_msg(self, pipe_id, msg):
return pipe_id + "|" + msg
def _deserialize_msg(self, msg):
sep_index = msg.find("|")
pipe_id = msg[0 : sep_index]
message = msg[sep_index + 1 :]
return [pipe_id, message]
def send(self, buddy, pipe_id, msg):
addr = "http://%s:%d" % (buddy.address(), buddy.port())
peer = xmlrpclib.ServerProxy(addr)
msg = text
success = True
try:
peer.message(self._serialize_msg(pipe_id, msg))
except (socket.error, xmlrpclib.Fault), e:
msg = str(e)
success = False
return success
def broadcast(self, pipe_id, msg):
self._gc_controller.send_msg(self._serialize_msg(pipe_id, msg))
def register_pipe(self, input_pipe):
self._pipes[input_pipe.get_id()] = input_pipe
def _recv_group_message(self, msg):
self.recv(msg['addr'], msg['data'])
def recv(self, address, message):
sender = self._buddy_list.find_buddy_by_address(address)
[pipe_id, msg] = self._deserialize_msg(message)
pipe = self._pipes[pipe_id]
if pipe:
pipe.recv(sender, msg)
class AbstractPipe:
def __init__(self, group, pipe_id=None):
self._group = group
self._pipe_id = pipe_id
def get_id(self):
return self._pipe_id
def send(self, msg):
pass
class AbstractOutputPipe(AbstractPipe):
def __init__(self, group, pipe_id=None):
AbstractPipe.__init__(self, group, pipe_id)
def send(self, msg):
pass
class OutputPipe(AbstractOutputPipe):
def __init__(self, group, buddy, pipe_id=None):
AbstractOutputPipe.__init__(self, group, pipe_id)
self._buddy = buddy
def send(self, msg):
self._group.send(self._buddy, self._pipe_id, msg)
class BroadcastOutputPipe(AbstractOutputPipe):
def __init__(self, group, pipe_id=None):
AbstractOutputPipe.__init__(self, group, pipe_id)
def send(self, msg):
self._group.broadcast(self._pipe_id, msg)
class InputPipe(AbstractPipe):
def __init__(self, group, pipe_id=None):
AbstractPipe.__init__(self, group, pipe_id)
group.register_pipe(self)
def listen(self, callback):
self.__callback = callback
def recv(self, sender, msg):
self.__callback(sender, msg)