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wip: a_iface: MSC sided reset

This commit is contained in:
Philipp Maier 2017-06-20 14:13:37 +02:00
parent bbd32cddf8
commit c621464e11
2 changed files with 41 additions and 1 deletions
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40
openbsc/src/libmsc/a_iface.c
View File

@ -37,6 +37,7 @@
#include <openbsc/mgcpgw_client.h>
#include <osmocom/core/byteswap.h>
#include <osmocom/sccp/sccp_types.h>
#include <openbsc/a_reset.h>
#define SSN_BSSAP 254 /* SCCP_SSN_BSSAP */
#define SENDER_PC 1 /* Our local point code */
@ -46,6 +47,16 @@
* when calling a_init() */
static struct gsm_network *gsm_network = NULL;
struct bsc_context {
struct llist_head list;
struct a_reset_ctx reset;
struct osmo_sccp_addr addr;
};
static LLIST_HEAD(bsc_context_list);
/* Send DTAP message via A-interface */
int a_iface_tx_dtap(struct msgb *msg)
{
@ -382,6 +393,17 @@ static int sccp_sap_up(struct osmo_prim_hdr *oph, void *_scu)
return rc;
}
/* Callback function: Close all open connections */
static void a_reset_cb(void *priv)
{
struct msgb *msg;
struct osmo_sccp_addr *addr = (struct osmo_sccp_addr*) priv;
LOGP(DMSC, LOGL_NOTICE, "Sending RESET to BSC %s\n", osmo_sccp_addr_dump(addr));
msg = gsm0808_create_reset();
// osmo_sccp_tx_unitdata_msg(msc->msc_con->sccp_user, &msc->msc_con->g_calling_addr,
// &msc->msc_con->g_called_addr, msg);
}
/* Initalize A interface connection between to MSC and BSC */
int a_init(void *ctx, const char *name, uint32_t local_pc,
const char *listen_addr, const char *remote_addr, uint16_t local_port, struct gsm_network *network)
@ -394,11 +416,29 @@ int a_init(void *ctx, const char *name, uint32_t local_pc,
gsm_network = network;
osmo_ss7_init();
/* Add some BSCs to the context list */
/* FIXME: Make this configurable */
struct bsc_context *bsc_ctx;
bsc_ctx = talloc_zero(NULL, struct bsc_context);
bsc_ctx->reset.priv = &bsc_ctx->addr;
bsc_ctx->reset.cb = a_reset_cb;
llist_add_tail(&bsc_ctx->list, &bsc_context_list);
bsc_ctx->addr.presence = OSMO_SCCP_ADDR_T_SSN | OSMO_SCCP_ADDR_T_PC;
bsc_ctx->addr.ssn = SCCP_SSN_BSSAP;
bsc_ctx->addr.ri = OSMO_SCCP_RI_SSN_PC;
bsc_ctx->addr.pc = 1;
bsc_ctx = NULL;
/* SCCP Protocol stack */
sccp =
osmo_sccp_simple_client(NULL, "osmo-msc", SENDER_PC, OSMO_SS7_ASP_PROT_M3UA, 0, NULL, M3UA_PORT,
"127.0.0.1");
osmo_sccp_user_bind(sccp, "osmo-msc", sccp_sap_up, SSN_BSSAP);
/* Start reset procedure for all BSC connections */
llist_for_each_entry(bsc_ctx, &bsc_context_list, list) {
a_reset_start(&bsc_ctx->reset);
}
return 0;
}

2
openbsc/tests/msc_vlr/Makefile.am
View File

@ -41,8 +41,8 @@ EXTRA_DIST = \
$(NULL)
LDADD = \
$(top_builddir)/src/libcommon-cs/libcommon-cs.a \
$(top_builddir)/src/libmsc/libmsc.a \
$(top_builddir)/src/libcommon-cs/libcommon-cs.a \
$(top_builddir)/src/libvlr/libvlr.a \
$(top_builddir)/src/libbsc/libbsc.a \
$(top_builddir)/src/libtrau/libtrau.a \