<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 TRANSITIONAL//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=UTF-8"> <META NAME="GENERATOR" CONTENT="GtkHTML/3.28.3"> </HEAD> <BODY> well, it seems that all relevant fd's are there. However, I still get the dbus timeout... Any clue appreciated. Thanks I attached the strace log, maybe someone can see it on the first glance <PRE> write(1, "tube state changed to  : open\n", 30) = 30 write(1, "Tube OPENED\n", 12)           = 12 fcntl64(8, F_GETFL)                     = 0x2 (flags O_RDWR) fcntl64(8, F_SETFL, O_RDWR|O_NONBLOCK)  = 0 fcntl64(8, F_GETFD)                     = 0 fcntl64(8, F_SETFD, FD_CLOEXEC)         = 0 fstat64(8, {st_mode=S_IFSOCK|0777, st_size=0, ...}) = 0 fcntl64(8, F_GETFL)                     = 0x802 (flags O_RDWR|O_NONBLOCK) write(1, "TUBE <dbus.connection.Connection"..., 54) = 54 poll([{fd=8, events=POLLOUT}], 1, 0)    = 1 ([{fd=8, revents=POLLOUT}]) write(8, "\0", 1)                       = 1 write(8, "AUTH EXTERNAL 31303030\r\n", 24) = 24 fstat64(8, {st_mode=S_IFSOCK|0777, st_size=0, ...}) = 0 fcntl64(8, F_GETFL)                     = 0x802 (flags O_RDWR|O_NONBLOCK) write(1, "<ProxyObject wrapping <dbus.conn"..., 105) = 105 poll([{fd=8, events=POLLIN}], 1, 0)     = 1 ([{fd=8, revents=POLLIN}]) read(8, "OK 60da741365a226f57f3031414c6e9"..., 2048) = 37 fstat64(8, {st_mode=S_IFSOCK|0777, st_size=0, ...}) = 0 fcntl64(8, F_GETFL)                     = 0x802 (flags O_RDWR|O_NONBLOCK) poll([{fd=4, events=POLLIN}, {fd=6, events=POLLIN}, {fd=3, events=POLLIN}, {fd=8, events=POLLOUT}], 4, 24998) = 1 ([{fd=8, revents=POLLOUT}]) write(8, "BEGIN\r\n", 7)                = 7 fstat64(8, {st_mode=S_IFSOCK|0777, st_size=0, ...}) = 0 fcntl64(8, F_GETFL)                     = 0x802 (flags O_RDWR|O_NONBLOCK) writev(8, [{"l\1\0\1\0\0\0\0\1\0\0\0[\0\0\0\1\1o\0\16\0\0\0/tv/vfre"..., 112}, {"", 0}], 2) = 112 writev(8, [{"l\4\1\1\20\0\0\0\2\0\0\0G\0\0\0\1\1o\0\16\0\0\0/tv/vfre"..., 88}, {"\v\0\0\0Local hello\0", 16}], 2) = 104 poll([{fd=4, events=POLLIN}, {fd=6, events=POLLIN}, {fd=3, events=POLLIN}, {fd=8, events=POLLIN}], 4, 24997) = 1 ([{fd=8, revents=POLLIN}]) read(8, "l\1\0\1\0\0\0\0\1\0\0\0s\0\0\0\1\1o\0\16\0\0\0/tv/vfre"..., 2048) = 136 read(8, 0x8f80310, 2048)                = -1 EAGAIN (Resource temporarily unavailable) poll([{fd=4, events=POLLIN}, {fd=6, events=POLLIN}, {fd=3, events=POLLIN}, {fd=8, events=POLLIN}], 4, 0) = 0 (Timeout) writev(8, [{"l\2\1\1$\2\0\0\3\0\0\0\17\0\0\0\5\1u\0\1\0\0\0\10\1g\0\1s\0\0", 32}, {"\37\2\0\0<!DOCTYPE node PUBLIC \"-//fr"..., 548}], 2) = 580 poll([{fd=4, events=POLLIN}, {fd=6, events=POLLIN}, {fd=3, events=POLLIN}, {fd=8, events=POLLIN}], 4, 24865) = 1 ([{fd=8, revents=POLLIN}]) read(8, "l\2\1\1\243\0\0\0\2\0\0\0\17\0\0\0\5\1u\0\1\0\0\0\10\1g\0\1s\0\0"..., 2048) = 195 read(8, 0x8f80310, 2048)                = -1 EAGAIN (Resource temporarily unavailable) poll([{fd=4, events=POLLIN}, {fd=6, events=POLLIN}, {fd=3, events=POLLIN}, {fd=8, events=POLLIN}], 4, 0) = 0 (Timeout) writev(8, [{"l\1\0\1\0\0\0\0\4\0\0\0B\0\0\0\1\1o\0\16\0\0\0/tv/vfre"..., 88}, {"", 0}], 2) = 88 poll([{fd=4, events=POLLIN}, {fd=6, events=POLLIN}, {fd=3, events=POLLIN}, {fd=8, events=POLLIN}], 4, 25000) = 0 (Timeout) poll([{fd=4, events=POLLIN}, {fd=6, events=POLLIN}, {fd=3, events=POLLIN}, {fd=8, events=POLLIN}], 4, 0) = 0 (Timeout) write(1, "Error: (DBusException(dbus.Strin"..., 253) = 253 poll([{fd=4, events=POLLIN}, {fd=6, events=POLLIN}, {fd=3, events=POLLIN}, {fd=8, events=POLLIN}], 4, -1 </PRE> On Thu, 2010-08-19 at 16:01 +0100, Alban Crequy wrote: <BLOCKQUOTE TYPE=CITE> <PRE> connect(8, {sa_family=AF_FILE, path="/tmp/dbus-gabble-eJmvd0ho"}, 27) =0 So it connects fine to the D-Bus tube and use the file descriptor 8. When your process is waiting in poll() or select(), is the file descriptor 8 included in the list of fd to watch? If not, dbus-python is not using the mainloop correctly... I don't remember the syntax, but something like that: from dbus.mainloop.glib import DBusGMainLoop DBusGMainLoop(set_as_default=True) tube = dbus.connection.Connection(self.tube_addr, mainloop=DBusGMainLoop()) BR, Alban Le Thu, 19 Aug 2010 14:23:23 +0200, tomw <<A HREF="mailto:tomw@ubilix.com">tomw@ubilix.com</A>> a écrit : > Alban, > > thanks for your quick reply, > > the "SERVICE" is the service the tube was created for, e.g. > "org.example.Service" and I'm using a 1-1 DBus tube. > > I was tracing the remote app with strace but it does not seem to > receive any communication on the socket. I guess I need to digg > deeper... > > br, tomw > > On Thu, 2010-08-19 at 12:37 +0100, Alban Crequy wrote: > > Le Thu, 19 Aug 2010 08:34:35 +0200, > > tomw <<A HREF="mailto:tomw@ubilix.com">tomw@ubilix.com</A>> a écrit : > > > > > Hi folks, > > > > > > I'm trying to use a remote Object over a DBus tube. So far > > > everything works fine. The tube is open and upon the > > > tube_channel_state_change I get a dbus.connection.Connection > > > object with the related address like > > > unix:path=/tmp/dbus-gabble-6k8gfh-V. If I proceed then with: > > > > > > if state == TUBE_CHANNEL_STATE_OPEN: > > > tube = dbus.connection.Connection(self.tube_addr) > > > tube.add_signal_receiver(self.signal_cb) > > > remote = tube.get_object(SERVICE, PATH) > > > > What is "SERVICE" here? Are you using a 1-1 D-Bus tube or MUC D-Bus > > tubes? > > > > In D-Bus tubes (both 1-1 and MUC), there is no bus driver > > implementing org.freedesktop.DBus, so there is no well-known names. > > > > In the case of MUC D-Bus tubes, you can find the D-Bus unique name > > (to use instead of "SERVICE") of a contact with the "DBusNames" > > property on your tube channel: > > <A HREF="http://telepathy.freedesktop.org/spec/Channel_Type_DBus_Tube.html#org.freedesktop.Telepathy.Channel.Type.DBusTube.DBusNames">http://telepathy.freedesktop.org/spec/Channel_Type_DBus_Tube.html#org.freedesktop.Telepathy.Channel.Type.DBusTube.DBusNames</A> > > > > > remote.Method(reply_handler=self.tube_reply_cb, > > > error_handler=self.tube_error_cb) > > > > > > Calling Method on the remote object always creates a DBus timeout: > > > "DBusException(dbus.String(u'Did not receive a reply..." > > > The remote object is running on the DBUs and locally works like it > > > should. So, what am I missing here? > > > > You can use strace on your application to see if it receives a D-Bus > > message on the tube socket. > > > > > BTW, the telepathy framework is really a great piece of work > > > (once you grasp it :-) > > > > BR, > > Alban > > _______________________________________________ > > telepathy mailing list > > <A HREF="mailto:telepathy@lists.freedesktop.org">telepathy@lists.freedesktop.org</A> > > <A HREF="http://lists.freedesktop.org/mailman/listinfo/telepathy">http://lists.freedesktop.org/mailman/listinfo/telepathy</A> > > _______________________________________________ telepathy mailing list <A HREF="mailto:telepathy@lists.freedesktop.org">telepathy@lists.freedesktop.org</A> <A HREF="http://lists.freedesktop.org/mailman/listinfo/telepathy">http://lists.freedesktop.org/mailman/listinfo/telepathy</A> </PRE> </BLOCKQUOTE> </BODY> </HTML>