Commit Graph

13 Commits

Author SHA1 Message Date
Holger Hans Peter Freyther a777c9ee3d osmux: Allow to listen to a specific address
For a setup with multiple network interfaces be able to pick
the one that osmux should be used/visible.
2015-10-12 20:06:16 +02:00
Holger Hans Peter Freyther 1afe7c7fe5 osmux: Remember the allocated CID and make sure it is released
There appears to be a leak of CIDs:
 <000b> mgcp_osmux.c:544 All Osmux circuits are in use!

There are paths that a CID had been requested and never released
of the NAT. Remember the allocated CID inside the endpoint so it
can always be released. It is using a new variable as the behavior
for the NAT and MGCP MGW is different.

The allocated_cid must be signed so that we can assign outside
of the 0-255 range of it.

Fixes: OW#1493
2015-10-12 09:11:25 +02:00
Holger Hans Peter Freyther b45e4d80b6 osmux: Do not divide the number of bytes by eight.
sizeof(uint8_t) == 1 and there is no need to create an array
with 16 bytes and then only use the first two of them. This
means the CID range is from 0 to 127 and we should be able
to extend this to 256 by changing the array size to 32. Update
the testcase now that we can have more than 16 calls with Osmux.
2015-10-12 09:11:25 +02:00
Holger Hans Peter Freyther 641d387409 osmux: Test cid allocation and de-allocation
* Test that one can get an id
* That they are assigned predicatble right now
* That returning them will make the number of used ones go down
* That allocating more will fail
2015-10-12 09:11:25 +02:00
Pablo Neira Ayuso 57e95a22f0 osmux: add option to pad the circuit with dummy messages
Iridium is a satellite network which operates a GPRS-like that allows you to
get speeds up to 128kbit/s. However, it takes from 5 to 6 secs to get the
bandwidth allocated, so the conversation is garbled during the time.

This patch uses the new dummy padding support in libosmo-netif that is
controlled through the osmux osmux_xfrm_input_open_circuit().

This includes a new VTY option for osmux.
2015-08-19 00:17:31 +02:00
Holger Hans Peter Freyther 9be675ea52 mgcp: Honor the rtp IP_TOS settings for Osmux
Honor the IP_TOS settings for Osmux as well. Re-use the RTP
setting as it makes sense to classify the audio packets the
same way.

Fixes: OW#1369
2015-01-21 11:43:03 +01:00
Pablo Neira Ayuso ee11bc0f5c osmux: send osmux stats in MGCP DLCX responses
This allows us to know what number of messages and bytes has been
received per active osmux endpoint.

Note that an Osmux message is composed of several chunks. Each chunk
contains an osmux header plus several voice data frames.

 P: PS=385, OS=11188, PR=195, OR=5655, PL=0, JI=49
 X-Osmo-CP: EC TIS=0, TOS=0, TIR=0, TOR=0
 X-Osmux-ST: CR=51, BR=3129

The new 'X-Osmux-ST:' notifies the received chunks and bytes.
2014-09-17 19:34:25 +02:00
Pablo Neira Ayuso 115e81ee19 osmux: account extracted traffic from the osmux batch
Use struct mgcp_rtp_end statistics to account the RTP messages
that has been extracted from the osmux batch and transmitted.
2014-09-16 14:32:37 +02:00
Pablo Neira Ayuso 03ab79abac osmux: add 'osmux batch-size NUM' option to mgcp vty
This allows you to specify the osmux batch frame size. If zero, the
library uses the default value.
2014-08-29 12:30:38 +02:00
Pablo Neira Ayuso 308d5f8912 osmux: set default port from mgcp_parse_config() 2014-08-29 12:21:58 +02:00
Pablo Neira Ayuso 4ef66b1c5f osmux: fix leak in osmux_deliver()
The callback is responsible for releasing the batch message that
libosmo-netif builds.
2014-08-28 20:14:12 +02:00
Pablo Neira Ayuso caa0aace21 osmux: fix access to uninitialized memory area in scheduled_tx_*_cb
mgcp_send() needs some initialized address when printing a log message.
Nothing really serious but let's calm down valgrind.
2014-08-28 19:50:41 +02:00
Pablo Neira Ayuso 7a83f4d264 osmux: rename osmux.c to mgcp_osmux.c
So we can easily identify in the log message what refers to
libosmo-netif and what to libmgcp.
2014-08-28 19:40:51 +02:00