Attention is currently required from: dexter, neels, pespin.
laforge has posted comments on this change. (
https://gerrit.osmocom.org/c/osmo-mgw/+/36361?usp=email )
Change subject: Change msgb ownership in processing of received msgb
......................................................................
Patch Set 3:
(3 comments)
File TODO-RELEASE:
https://gerrit.osmocom.org/c/osmo-mgw/+/36361/comment/a5bb56bf_d1a998f9
PS3, Line 42: libosmocore bump_dep; workaround Bump libosmocore version dependency after
I68328adb952ca8833ba047cb3b49ccc6f8a1f1b5
I'd usually simply write: […]
I might simply
remove the line and keep the local copy function, if we don't want to change msgb_copy
semantics itself.
File src/libosmo-mgcp/mgcp_network.c:
https://gerrit.osmocom.org/c/osmo-mgw/+/36361/comment/d60898b6_08eb543a
PS3, Line 75: static inline struct msgb *mgw_msgb_copy_c(void *ctx, struct msgb *msg,
const char *name)
AS I mentioned in that patch, it may be worth having
this API as a separate function in libosmocore.
yes; even in that case, I'd
introduce a local version here until those changes in libosmocore materialize.
https://gerrit.osmocom.org/c/osmo-mgw/+/36361/comment/1b66b8b5_88cb1ca2
PS3, Line 1375: if (conn_dst == conn)
I think if you do this, then you can drop the entire
block of code spanning lines 1360-1365: […]
I think it would have to be the other
way around:
```
switch (conn_dst->mode) {
case MGCP_CONN_SEND_ONLY:
case MGCP_CONN_RECV_SEND:
if (conn_dst == conn)
continue;
/* fall-through */
case MGCP_CONN_CONFECHO:
/* we have multiple recipients and must make copies for each recipient */
msg2 = mgw_msgb_copy_c(conn_dst, msg, "RTP Tx copy");
if (OSMO_LIKELY(msg2))
rc = mgcp_conn_rtp_dispatch_rtp(&conn_dst->u.rtp, msg2);
```
In any case, that's a separate optimization and not related to changing msgb
ownership.
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Gerrit-Project: osmo-mgw
Gerrit-Branch: master
Gerrit-Change-Id: I6a331f3c6b2eb51ea312ac6ef8c357185ddb79cf
Gerrit-Change-Number: 36361
Gerrit-PatchSet: 3
Gerrit-Owner: laforge <laforge(a)osmocom.org>
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