62cdfc3 added systemd units including a ubus.socket unit, but didn't
actually add socket activation support to ubusd. This would cause the first
connection that activated ubusd to hang (as ubusd ignored it), and stopping
ubusd would break it completely (as ubusd removed the socket file).
The ENABLE_SYSTEMD default is changed to OFF as the socket activation uses
libsystemd, so setting ENABLE_SYSTEMD to ON will now require libsystemd.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
If the ubus_reconnect() call fails in ubus_connect_ctx(), the msgbuf.data
newly allocated buffer is freed, but its pointer in the ubus_context is not
removed.
This leads to a double free error if ubus_auto_shutdown() is called for cleanup
after ubus_auto_connect() failed to connect to ubusd.
Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Currently 'ubus listen' command does not respect the timeout parameter,
i.e., whether timeout parameter is provided, 'ubus listen' will always
run infinitely. This patch let 'ubus listen' command support the timeout
parameter. For example, 'ubus listen -t 60' will cause the command to
exit after 60 seconds.
Signed-off-by: Zhao, Gang <gang.zhao.42@gmail.com>
Function ubus_cli_listen() is called only once, and function uloop_run()
and uloop_done() which need struct ubus_event_handler listener are
called within this function, so it's not needed to mark struct
ubus_event_handler listener as static. The same as pointer struct
ubus_context *ctx in main function.
Global struct commands is only used in this file, so it should be marked
static.
Signed-off-by: Zhao, Gang <gang.zhao.42@gmail.com>
Changing the ubus message header fields from 'host' order to 'network' order
allows passing ubus messages between hosts with different endianity.
Example use (creating a ubus proxy):
on host A (e.g. big endian router already running ubusd), run:
$ socat TCP-LISTEN:5699,fork UNIX:/var/run/ubus.sock &
On host B (e.g. little endian development PC) run:
$ socat UNIX-LISTEN:/var/run/ubus.sock,fork TCP:<host A IP>:5699 &
Now ubus applications can be run on host B and seamlessly interact with ubus
applications on host A.
Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Add ubus_auto_shutdown function, which ensures any pending uloop_timer is cancelled before calling ubus_shutdown on the context.
This avoids a condition where ubus_shutdown() is called during ubus_auto_connect attempting a reconnection.
Signed-off-by: Ben Kelly <ben@benjii.net>
At the moment, we do our own null checks before calling ubus_free().
The likely-hood of 'ctx' being null (in ubus_free()) is low,
but since free() handles null, might make sense for ubus_free() to do so as well.
Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
As the man page explains:
"Specifying a timeout of zero causes poll() to return immediately,
even if no file descriptors are ready."
The use of 0 as timeout could cause libubus to busy loop if the
socket was non-blocking. For blocking sockets, this was less
apparent as the subsequent read() would then block.
Signed-off-by: Karl Vogel <karl.vogel@gmail.com>
Append ubus notification messages to the tail of the pending list
so they're processed in the order as they're put onto the pending list
Signed-off-by: Xinxing Hu <xinxing.huchn@gmail.com>
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
The value from getglobal wasn't being removed from the stack,
resulting in an ever growing stack in the ubus event handler.
Signed-off-by: Karl Vogel <karl.vogel@gmail.com>
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
ubus_connect_ctx() is equivalent to ubus_connect() but accepts a
pointer to a previously allocated ubus_context struct.
ubus_shutdown() is made available as an alternative to ubus_free()
to clean up contexts initialised by ubus_connect_ctx().
Signed-off-by: Delio Brignoli <dbrignoli@audioscience.com>
