Hi,
I was wondering why the Manager object does not send a "offline"
StateChanged signal when I disconnect my only online service (in my
case ethernet).
connmand[13256]: Enabling DNS server 192.168.100.4
connmand[13256]: Enabling DNS server 192.168.100.1
connmand[13256]: Removing DNS server 192.168.100.4
connmand[13256]: Removing DNS server 192.168.100.1
connmand[13256]: Adding DNS server 192.168.100.4
connmand[13256]: Adding DNS server 192.168.100.1
connmand[13256]: src/notifier.c:__connman_notifier_connect() type 2
connmand[13256]: Enabling DNS server 192.168.100.4
connmand[13256]: Enabling DNS server 192.168.100.1
connmand[13256]: Disabling DNS server 192.168.100.4
connmand[13256]: Disabling DNS server 192.168.100.1
connmand[13256]: Removing DNS server 192.168.100.4
connmand[13256]: Removing DNS server 192.168.100.1
connmand[13256]: src/notifier.c:__connman_notifier_disconnect() type 2
From the log files I saw that
__connman_notifier_connect() is called just in front of the
__connman_notifier_disconnect(). __connman_notifer_connect() will
increase the count of all the technologies before it decreases it in
__connman_notifier_disconnect() again. So the this is more or less a
no op. Therefore I never see StateChaned from online to offline.
gdb) bt full
#0 __connman_notifier_connect (type=CONNMAN_SERVICE_TYPE_ETHERNET) at
src/notifier.c:311
__connman_debug_desc = {name = 0x0, file = 0x475cc0 "src/notifier.c",
flags = 1}
__FUNCTION__ = "__connman_notifier_connect"
#1 0x000000000044245f in __connman_service_indicate_state (service=0x6ab6c0,
new_state=
CONNMAN_SERVICE_STATE_DISCONNECT, type=CONNMAN_IPCONFIG_TYPE_IPV4) at
src/service.c:3563
proxy_config = CONNMAN_SERVICE_PROXY_METHOD_UNKNOWN
method = CONNMAN_IPCONFIG_METHOD_UNKNOWN
service_state = CONNMAN_SERVICE_STATE_ONLINE
state = CONNMAN_SERVICE_STATE_READY
iter = 0x0
__FUNCTION__ = "__connman_service_indicate_state"
#2 0x0000000000436fb8 in set_connected (user_data=0x6afef0) at
src/network.c:926
service = 0x6ab6c0
network = 0x6afef0
service = 0x6ab6c0
ipconfig_ipv4 = 0x6adab0
ipconfig_ipv6 = 0x6b8280
ipv4_method = CONNMAN_IPCONFIG_METHOD_DHCP
ipv6_method = CONNMAN_IPCONFIG_METHOD_AUTO
__FUNCTION__ = "set_connected"
#3 0x00000000004370f7 in connman_network_set_connected (network=0x6afef0,
connected=0)
at src/network.c:979
__FUNCTION__ = "connman_network_set_connected"
#4 0x000000000043737c in __connman_network_disconnect (network=0x6afef0) at
src/network.c:1084
err = 0
__FUNCTION__ = "__connman_network_disconnect"
#5 0x0000000000442fe8 in __connman_service_disconnect (service=0x6ab6c0) at
src/service.c:3942
err = 0
__FUNCTION__ = "__connman_service_disconnect"
#6 0x0000000000440de0 in disconnect_service (conn=0x69b6f0, msg=0x69e9e0,
user_data=0x6ab6c0)
at src/service.c:2807
service = 0x6ab6c0
err = 32767
__FUNCTION__ = "disconnect_service"
#7 0x000000000040f473 in process_message (connection=0x69b6f0,
message=0x69e9e0, method=
0x692f60, iface_user_data=0x6ab6c0) at gdbus/object.c:224
reply = 0x471300
#8 0x000000000040fb7a in generic_message (connection=0x69b6f0,
message=0x69e9e0, user_data=
0x6a7720) at gdbus/object.c:448
data = 0x6a7720
iface = 0x6afc70
method = 0x692f60
interface = 0x6a6598 "net.connman.Service"
#9 0x000000310841de11 in _dbus_object_tree_dispatch_and_unlock (tree=0x69b3a0,
message=
0x69e9e0) at dbus-object-tree.c:858
message_function = 0x40fa8a <generic_message>
user_data = <value optimized out>
next = 0x0
path = 0x6ab480
exact_match = 0
list = 0x69e4d8
link = <value optimized out>
result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED
subtree = <value optimized out>
#10 0x000000310840fbe2 in dbus_connection_dispatch (connection=0x69b6f0)
at dbus-connection.c:4691
message = 0x69e9e0
link = <value optimized out>
filter_list_copy = 0x0
message_link = 0x69e538
result = <value optimized out>
pending = <value optimized out>
reply_serial = <value optimized out>
status = <value optimized out>
__FUNCTION__ = "dbus_connection_dispatch"
#11 0x000000000040d00b in message_dispatch (data=0x69b6f0) at
gdbus/mainloop.c:80
conn = 0x69b6f0
#12 0x00000031078435eb in g_timeout_dispatch (source=<value optimized out>,
callback=<value optimized out>, user_data=<value optimized out>) at
gmain.c:3585
timeout_source = 0x6ab580
#13 0x0000003107841e33 in g_main_dispatch (context=0x6990e0) at gmain.c:2149
dispatch = 0x31078435d0 <g_timeout_dispatch>
was_in_call = 0
user_data = 0x69b6f0
callback = 0x40cfde <message_dispatch>
cb_funcs = 0x3107b05b50
cb_data = 0x6aba00
current_source_link = {data = 0x6ab580, next = 0x0}
need_destroy = <value optimized out>
source = 0x6ab580
current = 0x6abb50
i = <value optimized out>
#14 g_main_context_dispatch (context=0x6990e0) at gmain.c:2702
No locals.
#15 0x0000003107842610 in g_main_context_iterate (context=0x6990e0, block=1,
dispatch=1,
self=<value optimized out>) at gmain.c:2780
max_priority = 0
timeout = 0
some_ready = 1
nfds = 10
allocated_nfds = <value optimized out>
fds = <value optimized out>
#16 0x0000003107842c82 in g_main_loop_run (loop=0x69a1a0) at gmain.c:2988
__PRETTY_FUNCTION__ = "g_main_loop_run"
#17 0x000000000042ee5c in main (argc=1, argv=0x7fffffffe678) at src/main.c:304
context = 0x699010
error = 0x0
conn = 0x69b6f0
err = {name = 0x0, message = 0x0, dummy1 = 1, dummy2 = 0, dummy3 = 0,
dummy4 = 0,
dummy5 = 0, padding1 = 0x40b533}
sa = {__sigaction_handler = {sa_handler = 0x42e956 <sig_term>,
sa_sigaction =
0x42e956 <sig_term>}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags
= 0,
sa_restorer = 0}
old_umask = 18
config = 0x0
__connman_notifier_connect() is called from
__connman_service_indicate_state() because state is
CONNMAN_SERVICE_STATE_READY which comes from the IPv6
configuration. So I guess this is just another reason for fixing the
service state machine.
cheers,
daniel
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