The user may want to check the flags in order to know if the content
pointed at by msgb is an sctp_notification structure, and not in-band
data.
This is useful for the user in order to gain connection state such as
SCTP RESET notification, which means the client reconnected reusing the
same socket, loosing all higher layers state.
The MSG_NOTIFICATION from netinet/sctp.h is not reused, and instead an
osmocom specific flag (and bitmask) is used. This is done in order to
fit the flags in one byte, since for instance MSG_NOTIFICATION requires
2 bytes in my system (0x8000).
Related: SYS#6113
Change-Id: I0ee94846a15a23950b9d70eaaef1251267296bdd
This API will be later used to set multiple addresses for SCTP sockets.
Depends: libosmocore.git Ic8681d9e093216c99c6bca4be81c31ef83688ed1
Related: OS#3608
Change-Id: I09f0d989f2309abdeb304fe570355abed2cd107b
This API will be later used to set multiple addresses for SCTP sockets.
Depends: libosmocore.git Ic8681d9e093216c99c6bca4be81c31ef83688ed1
Related: OS#3608
Change-Id: I0fe62f518e195db4e34f3b0ad1762bb57ba9d92a
This supposed to be variant of osmo_stream_cli_open() with explicit
control over reconnection logic but it's plain broken: doxygen docs
contradict the code, actual reconnection logic is affected by timeout
parameter directly which is set in different function.
It seems like we haven't been affected by this so far because we always
use it in auto-reconnection mode which is triggered by default due to
positive reconnection timeout value (5 sec) automatically used in the
absense of explicitly set timeout.
Looking at commit history, this function already been source of
confusion in the past. Instead of trying to fix this mess, let's just
deprecate it entirely and properly document use of
osmo_stream_cli_set_reconnect_timeout() to control reconnection logic.
The only known user is libosmo-sccp which won't use it as of
0a93a683f3cb8e5977eb4a666ab207db6e7d7af9 commit.
Change-Id: Id988ed0274b363db049f59cbf6a193727c8c3c8a
Add functions to get the description of a server link or client
connection which examine data on corresponding socket.
Those functions use static buffers and intended for single use in
log/printf statements as illustarted by corresponding example changes.
Change-Id: If9a8e211da85956781479862a63c4fc6e53ed6be
stream.h uses msgb from libosmocore without corresponding #include
It's odd that we haven't hit this issue earlier.
Change-Id: Ib8b4f4965af0fefa7dac3f2a56a5a4b76a03fd57
Introduce osmo_stream_srv_set_flush_and_destroy() which marks a
stream to be 'flushed and destroyed'. No new messages will be
received on this stream, and no new messages can be queued.
Once the Tx queue has been drained, the connection is destroyed.
The API user is given a chance to perform cleanup operations
in the closed_cb() callback for the connection.
The same mechanism will be added for client-side connections
in a follow-up patch.
Change-Id: I8ed78fe39c463e9018756700d13ee5ebe003b57f
Related: OS#2789
Suggested-by: Harald Welte
Functions introduced in 9ec26583cd are
using the bool type without referencing stdbool.h as include file.
Change-Id: I736cb04629d516c10c7d5f42f792ed3d5ae6658f
Using this function, the user can configure if sockets related to the
respective stream client or server should have the NODELAY socket
option set in order to avoid Nagle algorithm or related algorithms
that may introduce packet delay on the transmitter side.
Change-Id: Ibeb9ba227bab18f7f4f16518c0022c4f003cc8e9
This uses the new osmo_sock_init2() features introduced in libosmocore
Change-Id Idab124bcca47872f55311a82d6818aed590965e6 to bind *and*
connect a given socket during creation.
Change-Id: I013f4cc10b26d332d52d231f252bb0f03df8c54b
We should have doxygen documentation for all libosmo-* APIs.
libosmo-netif is currently devoid of any API docs. Let's start with the
stream and datagram socket related functions.
Change-Id: I589a5e60d9df2b8a65fbaf68f80e3ae0039d8c2a
In case the application is using the read-callback and a read returns 0,
then the application itself would want to trigger the reconnect. This
is different from the osmo_stream_cli_recv() case where the reconnect
can be handled internally to the library.
Change-Id: I41314bad4a9f44e8a61b9d2ba33d1a76b25bd145
So far, when the first connection attempt failed in
osmo_stream_cli_open(), we returned a terminal errro without any
re-connection attempts. While this may be useful in some cases, our
general idea of the stream client logic is to handle the reconnection
attempts insid the library. We introduce a new osmo_stream_cli_open2()
function while keping the old behavior for backwards compatibility.
Wih this change, osmo_stream_ client and server API can be used not only
for TCP but also for SCTP. The latter is needed in SIGTRAN ad Iuh
applications, for example.
This patch adds the generic channel infrastructure that allows to
create channel of different types. Each channel has their own
configuration functions.
struct osmo_chan *chan;
chan = osmo_chan_create(tall_example, CHAN_ABIS_IPA_SERVER);
...
/* specific configuration functions per supported channel. */
osmo_chan_abis_ipa_server_set_cb_signalmsg(chan, signal_msg_cb);
osmo_chan_abis_ipa_unit_add(chan, 1801, 0);
/* open channel. */
osmo_chan_open(chan);
The input path requires a callback to be registered. The output path
is handled through:
int osmo_chan_enqueue(struct osmo_chan *c, struct msgb *msg);
The msg->dst must be set (it can be taken from the original message
to route one reply).
This patch also adds A-bis IPA server support. It has been tested with
e1inp_ipa_bsc_test available in libosmo-abis.
Add new functions:
osmo_stream_server_link_get_data
osmo_stream_server_conn_get_data
osmo_stream_client_conn_get_data
To obtain private data from osmo_stream_* handlers.
This patch also introduces missing osmo_stream_server_conn_set_data.
Pau Espin
Max
Harald Welte