diff options
| author | Philipp Maier <pmaier@sysmocom.de> | 2017-11-07 17:19:25 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2018-02-05 22:28:43 +0000 |
| commit | 621ba032bdf60383f5431ca936040c620551a3d5 (patch) | |
| tree | 0fd222b08503b64e6d4109a7f3c0b678b16bf1ec /src/libmsc/iucs.c | |
| parent | 64dbc5464c7ef8f0ba2acbb1c924d4eef3e6e72e (diff) | |
mgcp: use osmo-mgw to switch rtp streams
in the current implementation we still use osmo-bsc_mgcp, which
has many problems and is also obsoleted by osmo-mgw.
integrate osmo-mgw and re-implement the current switching using
an osmo fsm.
Depends: osmo-mgw Iab6a6038e7610c62f34e642cd49c93d11151252c
Depends: osmo-iuh I3c1a0455c5f25cae41ee19229d6daf299e023062
Closes: OS#2605
Change-Id: Ieea9630358b3963261fa1993cf1f3b563ff23538
Diffstat (limited to 'src/libmsc/iucs.c')
| -rw-r--r-- | src/libmsc/iucs.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/libmsc/iucs.c b/src/libmsc/iucs.c index c89e41266..7bb45b2a2 100644 --- a/src/libmsc/iucs.c +++ b/src/libmsc/iucs.c @@ -30,8 +30,22 @@ #include <osmocom/msc/gsm_data.h> #include <osmocom/msc/gsm_subscriber.h> +#include <osmocom/msc/transaction.h> #include <osmocom/msc/osmo_msc.h> #include <osmocom/msc/vlr.h> +#include <osmocom/core/byteswap.h> + +#include "../../bscconfig.h" + +#ifdef BUILD_IU +#include <osmocom/ranap/iu_client.h> +extern struct msgb *ranap_new_msg_rab_assign_voice(uint8_t rab_id, + uint32_t rtp_ip, + uint16_t rtp_port, + bool use_x213_nsap); +#else +#include <osmocom/msc/iu_dummy.h> +#endif /* BUILD_IU */ /* For A-interface see libbsc/bsc_api.c subscr_con_allocate() */ static struct gsm_subscriber_connection *subscr_conn_allocate_iu(struct gsm_network *network, @@ -187,3 +201,53 @@ int gsm0408_rcvmsg_iucs(struct gsm_network *network, struct msgb *msg, return rc; } + +int iu_rab_act_cs(struct gsm_trans *trans) +{ + struct gsm_subscriber_connection *conn; + struct msgb *msg; + bool use_x213_nsap; + uint32_t conn_id; + struct ranap_ue_conn_ctx *uectx; + uint8_t rab_id; + uint32_t rtp_ip; + uint16_t rtp_port; + + conn = trans->conn; + uectx = conn->iu.ue_ctx; + rab_id = conn->iu.rab_id; + rtp_ip = osmo_htonl(inet_addr(conn->rtp.local_addr_ran)); + rtp_port = conn->rtp.local_port_ran; + conn_id = uectx->conn_id; + + if (rtp_ip == INADDR_NONE) { + LOGP(DIUCS, LOGL_DEBUG, + "Assigning RAB: conn_id=%u, rab_id=%d, invalid RTP IP-Address\n", + conn_id, rab_id); + return -EINVAL; + } + if (rtp_port == 0) { + LOGP(DIUCS, LOGL_DEBUG, + "Assigning RAB: conn_id=%u, rab_id=%d, invalid RTP Port\n", + conn_id, rab_id); + return -EINVAL; + } + + use_x213_nsap = + (uectx->rab_assign_addr_enc == RANAP_NSAP_ADDR_ENC_X213); + + LOGP(DIUCS, LOGL_DEBUG, + "Assigning RAB: conn_id=%u, rab_id=%d, rtp=%x:%u, use_x213_nsap=%d\n", + conn_id, rab_id, rtp_ip, rtp_port, use_x213_nsap); + + msg = ranap_new_msg_rab_assign_voice(rab_id, rtp_ip, rtp_port, + use_x213_nsap); + msg->l2h = msg->data; + + if (ranap_iu_rab_act(uectx, msg)) + LOGP(DIUCS, LOGL_ERROR, + "Failed to send RAB Assignment: conn_id=%d rab_id=%d rtp=%x:%u\n", + conn_id, rab_id, rtp_ip, rtp_port); + return 0; +} + |