diff options
Diffstat (limited to 'openbsc/src/libmgcp/mgcp_osmux.c')
| -rw-r--r-- | openbsc/src/libmgcp/mgcp_osmux.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/openbsc/src/libmgcp/mgcp_osmux.c b/openbsc/src/libmgcp/mgcp_osmux.c index 90b73680b..2d39b2c5e 100644 --- a/openbsc/src/libmgcp/mgcp_osmux.c +++ b/openbsc/src/libmgcp/mgcp_osmux.c @@ -492,6 +492,19 @@ void osmux_disable_endpoint(struct mgcp_endpoint *endp) osmux_handle_put(endp->osmux.in); } +void osmux_release_cid(struct mgcp_endpoint *endp) +{ + if (endp->osmux.allocated_cid >= 0) + osmux_put_cid(endp->osmux.allocated_cid); + endp->osmux.allocated_cid = -1; +} + +void osmux_allocate_cid(struct mgcp_endpoint *endp) +{ + osmux_release_cid(endp); + endp->osmux.allocated_cid = osmux_get_cid(); +} + /* We don't need to send the dummy load for osmux so often as another endpoint * may have already punched the hole in the firewall. This approach is simple * though. @@ -532,11 +545,25 @@ int osmux_send_dummy(struct mgcp_endpoint *endp) /* bsc-nat allocates/releases the Osmux circuit ID */ static uint8_t osmux_cid_bitmap[16]; +int osmux_used_cid(void) +{ + int i, j, used = 0; + + for (i = 0; i < sizeof(osmux_cid_bitmap); i++) { + for (j = 0; j < 8; j++) { + if (osmux_cid_bitmap[i] & (1 << j)) + used += 1; + } + } + + return used; +} + int osmux_get_cid(void) { int i, j; - for (i = 0; i < sizeof(osmux_cid_bitmap) / 8; i++) { + for (i = 0; i < sizeof(osmux_cid_bitmap); i++) { for (j = 0; j < 8; j++) { if (osmux_cid_bitmap[i] & (1 << j)) continue; |