Merge
This commit is contained in:
Marco Pesenti Gritti
parent
d3c5da1a66
commit
f5173c33d0
@ -14,6 +14,7 @@ import gtk, gobject
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from sugar.shell import activity
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from sugar.p2p.Group import Group
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from sugar.p2p import Buddy
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from sugar.p2p.Group import LocalGroup
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from sugar.p2p.Service import Service
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from sugar.p2p.Stream import Stream
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@ -34,6 +35,7 @@ GROUP_CHAT_SERVICE_PORT = 6200
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class Chat(activity.Activity):
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def __init__(self, controller):
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Buddy.recognize_buddy_service_type(CHAT_SERVICE_TYPE)
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self._controller = controller
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activity.Activity.__init__(self)
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self._stream_writer = None
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@ -389,7 +391,7 @@ class BuddyChat(Chat):
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self.activity_set_can_close(True)
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self.activity_set_tab_icon_name("im")
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self.activity_show_icon(True)
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self._stream_writer = self._controller.new_buddy_writer(self._buddy.get_service_name())
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self._stream_writer = self._controller.new_buddy_writer(self._buddy)
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def recv_message(self, sender, msg):
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Chat.recv_message(self, self._buddy, msg)
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@ -433,17 +435,17 @@ class GroupChat(Chat):
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def get_group(self):
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return self._group
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def new_buddy_writer(self, buddy_name):
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service = self._group.get_service(buddy_name, CHAT_SERVICE_TYPE)
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return self._buddy_stream.new_writer(service)
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def new_buddy_writer(self, buddy, threaded=False):
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service = buddy.get_service(CHAT_SERVICE_TYPE)
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return self._buddy_stream.new_writer(service, threaded=threaded)
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def _start(self):
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self._group = LocalGroup()
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self._group.add_presence_listener(self._on_group_presence_event)
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self._group.add_service_listener(self._on_group_service_event)
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self._group.join()
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name = self._group.get_owner().get_service_name()
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name = self._group.get_owner().get_nick_name()
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# Group controls the Stream for incoming messages for
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# specific buddy chats
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@ -557,14 +559,18 @@ class GroupChat(Chat):
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self._chats[buddy] = chat
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chat.activity_connect_to_shell()
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def _request_buddy_icon(self, buddy):
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writer = self.new_buddy_writer(buddy.get_service_name())
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icon = writer.custom_request("get_buddy_icon")
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def _request_buddy_icon_cb(self, response, user_data):
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icon = response
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buddy = user_data
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if icon and len(icon):
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icon = base64.b64decode(icon)
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print "Setting buddy icon for '%s' to %s" % (buddy.get_nick_name(), icon)
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print "Buddy icon for '%s' is size %d" % (buddy.get_nick_name(), len(icon))
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buddy.set_icon(icon)
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def _request_buddy_icon(self, buddy):
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writer = self.new_buddy_writer(buddy, threaded=True)
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icon = writer.custom_request("get_buddy_icon", self._request_buddy_icon_cb, buddy)
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def _on_group_service_event(self, action, service):
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if action == Group.SERVICE_ADDED:
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# Look for the olpc chat service
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@ -574,6 +580,7 @@ class GroupChat(Chat):
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if buddy and buddy.get_address() == service.get_address():
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# Try to get the buddy's icon
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if buddy.get_nick_name() != self._group.get_owner().get_nick_name():
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print "Requesting buddy icon from '%s'." % buddy.get_nick_name()
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self._request_buddy_icon(buddy)
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elif action == Group.SERVICE_REMOVED:
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pass
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@ -651,6 +658,7 @@ if len(sys.argv) > 1 and sys.argv[1] == "--console":
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ChatShell.get_instance().open_group_chat()
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try:
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gtk.threads_init()
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gtk.main()
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except KeyboardInterrupt:
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pass
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@ -2,38 +2,63 @@ import pwd
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import os
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from Service import Service
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from sugar import env
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PRESENCE_SERVICE_TYPE = "_olpc_presence._tcp"
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PRESENCE_SERVICE_PORT = 6000
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class BuddyBase:
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def __init__(self, service, nick_name):
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self._service = service
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self._nick_name = nick_name
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__buddy_service_types = [PRESENCE_SERVICE_TYPE]
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def recognize_buddy_service_type(stype):
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if stype not in __buddy_service_types:
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__buddy_service_types.append(stype)
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def get_recognized_buddy_service_types():
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return __buddy_service_types[:]
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class Buddy(object):
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def __init__(self, service):
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self._services = {}
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self._services[service.get_type()] = service
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self._nick_name = service.get_name()
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self._address = service.get_address()
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def get_icon(self):
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"""Return the buddies icon, if any."""
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return self._icon
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def get_address(self):
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return self._service.get_address()
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return self._address
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def get_service_name(self):
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return self._service.get_name()
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def add_service(self, service):
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if service.get_name() != self._nick_name:
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return False
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if service.get_address() != self._address:
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return False
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if self._services.has_key(service.get_type()):
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return False
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self._services[service.get_type()] = service
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def remove_service(self, stype):
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if self._services.has_key(stype):
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del self._services[stype]
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def get_service(self, stype):
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if self._services.has_key(stype):
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return self._services[stype]
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return None
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def get_nick_name(self):
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return self._nick_name
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class Buddy(BuddyBase):
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"""Normal buddy class."""
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def set_icon(self, icon):
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"""Can only set icon for other buddies. The Owner
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takes care of setting it's own icon."""
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self._icon = icon
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class Owner(BuddyBase):
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class Owner(Buddy):
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"""Class representing the owner of this machine/instance."""
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def __init__(self, group):
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self._group = group
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@ -42,19 +67,20 @@ class Owner(BuddyBase):
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if not nick or not len(nick):
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nick = "n00b"
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service = Service(nick, PRESENCE_SERVICE_TYPE, PRESENCE_SERVICE_PORT)
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BuddyBase.__init__(self, service, nick)
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self._presence_service = Service(nick, PRESENCE_SERVICE_TYPE, PRESENCE_SERVICE_PORT)
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Buddy.__init__(self, self._presence_service)
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sugar_dir = os.path.abspath(os.path.expanduser("~/.sugar"))
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icon = None
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for fname in os.listdir(sugar_dir):
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for fname in os.listdir(env.get_user_dir()):
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if not fname.startswith("buddy-icon."):
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continue
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fd = open(os.path.join(sugar_dir, fname), "r")
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fd = open(os.path.join(env.get_user_dir(), fname), "r")
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self._icon = fd.read()
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fd.close()
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break
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def set_icon(self, icon):
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"""Can only set icon in constructor for now."""
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pass
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def register(self):
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self._service.register(self._group)
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self._presence_service.register(self._group)
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@ -1,6 +1,7 @@
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import avahi
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from Buddy import Buddy
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from Buddy import get_recognized_buddy_service_types
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from Buddy import Owner
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from Buddy import PRESENCE_SERVICE_TYPE
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from Service import Service
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@ -106,8 +107,14 @@ class LocalGroup(Group):
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self._pdiscovery.resolve_service(interface, protocol, name, stype, domain,
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self._on_service_resolved)
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elif action == presence.ACTION_SERVICE_REMOVED:
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if stype == PRESENCE_SERVICE_TYPE:
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self._remove_buddy(name)
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if stype in get_recognized_buddy_service_types():
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buddy = self.get_buddy(name)
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if buddy:
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buddy.remove_service(stype)
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# Removal of the presence service removes the buddy too
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if stype == PRESENCE_SERVICE_TYPE:
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self._remove_buddy(name)
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self.remove_service((name, stype))
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elif stype.startswith(_OLPC_SERVICE_TYPE_PREFIX):
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self.remove_service((name, stype))
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@ -119,9 +126,20 @@ class LocalGroup(Group):
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for prop in avahi.txt_array_to_string_array(txt):
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(key, value) = prop.split('=')
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if key == 'group_address':
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service.set_group_address(value)
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service.set_group_address(value)
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if stype == PRESENCE_SERVICE_TYPE:
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self._add_buddy(Buddy(service, name))
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elif stype.startswith(_OLPC_SERVICE_TYPE_PREFIX):
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# print "ServiceResolved: name=%s, stype=%s, port=%s, address=%s" % (name, stype, port, address)
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if stype in get_recognized_buddy_service_types():
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# Service recognized as Buddy services either create a new
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# buddy if one doesn't exist yet, or get added to the existing
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# buddy
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buddy = self.get_buddy(name)
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if buddy:
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buddy.add_service(service)
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else:
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self._add_buddy(Buddy(service))
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self.add_service(service)
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elif stype.startswith(_OLPC_SERVICE_TYPE_PREFIX):
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# These services aren't associated with buddies
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self.add_service(service)
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@ -1,6 +1,12 @@
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import xmlrpclib
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import socket
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import traceback
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import threading
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import pygtk
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pygtk.require('2.0')
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import gobject
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import network
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from MostlyReliablePipe import MostlyReliablePipe
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@ -32,7 +38,7 @@ class Stream(object):
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self._callback(self._group.get_buddy(nick_name), data)
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class UnicastStreamWriter(object):
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class UnicastStreamWriterBase(object):
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def __init__(self, stream, service, owner_nick_name):
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# set up the writer
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if not service:
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@ -42,6 +48,10 @@ class UnicastStreamWriter(object):
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self._address = self._service.get_address()
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self._port = self._service.get_port()
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self._xmlrpc_addr = "http://%s:%d" % (self._address, self._port)
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class UnicastStreamWriter(UnicastStreamWriterBase):
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def __init__(self, stream, service, owner_nick_name):
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UnicastStreamWriterBase.__init__(self, stream, service, owner_nick_name)
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self._writer = xmlrpclib.ServerProxy(self._xmlrpc_addr)
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def write(self, data):
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@ -63,6 +73,60 @@ class UnicastStreamWriter(object):
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return None
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class ThreadedRequest(threading.Thread):
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def __init__(self, controller, addr, method, response_cb, user_data, *args):
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threading.Thread.__init__(self)
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self._controller = controller
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self._method = method
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self._args = args
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self._response_cb = response_cb
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self._user_data = user_data
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self._writer = xmlrpclib.ServerProxy(addr)
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def run(self):
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response = None
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try:
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method = getattr(self._writer, self._method)
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response = method(*self._args)
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except (socket.error, xmlrpclib.Fault, xmlrpclib.ProtocolError):
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traceback.print_exc()
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if self._response_cb:
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gobject.idle_add(self._response_cb, response, self._user_data)
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self._controller.notify_request_done(self)
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class ThreadedUnicastStreamWriter(UnicastStreamWriterBase):
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def __init__(self, stream, service, owner_nick_name):
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self._requests_lock = threading.Lock()
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self._requests = []
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UnicastStreamWriterBase.__init__(self, stream, service, owner_nick_name)
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def _add_request(self, request):
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self._requests_lock.acquire()
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if not request in self._requests:
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self._requests.append(request)
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self._requests_lock.release()
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def write(self, response_cb, user_data, data):
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"""Write some data to the default endpoint of this pipe on the remote server."""
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request = ThreadedRequest(self, self._xmlrpc_addr, "message", response_cb,
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user_data, self._owner_nick_name, data)
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self._add_request(request)
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request.start()
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def custom_request(self, method_name, response_cb, user_data, *args):
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"""Call a custom XML-RPC method on the remote server."""
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request = ThreadedRequest(self, self._xmlrpc_addr, method_name, response_cb,
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user_data, *args)
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self._add_request(request)
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request.start()
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def notify_request_done(self, request):
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self._requests_lock.acquire()
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if request in self._requests:
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self._requests.remove(request)
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self._requests_lock.release()
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class UnicastStream(Stream):
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def __init__(self, service, group):
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Stream.__init__(self, service, group)
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@ -94,8 +158,11 @@ class UnicastStream(Stream):
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raise ValueError("Handler name 'message' is a reserved handler.")
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self._reader.register_function(handler, name)
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def new_writer(self, service):
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return UnicastStreamWriter(self, service, self._owner_nick_name)
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def new_writer(self, service, threaded=False):
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if threaded:
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return ThreadedUnicastStreamWriter(self, service, self._owner_nick_name)
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else:
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return UnicastStreamWriter(self, service, self._owner_nick_name)
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class MulticastStream(Stream):
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@ -115,5 +182,5 @@ class MulticastStream(Stream):
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[ nick_name, data ] = data.split(" |**| ", 2)
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self.recv(nick_name, data)
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def new_writer(self, service=None):
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def new_writer(self, service=None, threaded=False):
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return self
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