osmux: Allow to enforce using Osmux for the client
Some systems only want to use Osmux. In case only Osmux
should be used fail if it has not be offered/acked.
Client:
Verified On, Off and Only with X-Osmux: 3 and without this field.
<000b> mgcp_protocol.c:823 Osmux only and no osmux offered on 0x14
<000b> mgcp_protocol.c:884 Resource error on 0x14
NAT:
Not tested and implemented
Fixes: OW#1492
diff --git a/openbsc/src/libmgcp/mgcp_vty.c b/openbsc/src/libmgcp/mgcp_vty.c
index 2b76436..c478b0a 100644
--- a/openbsc/src/libmgcp/mgcp_vty.c
+++ b/openbsc/src/libmgcp/mgcp_vty.c
@@ -139,8 +139,19 @@
if (g_cfg->bts_force_ptime > 0)
vty_out(vty, " rtp force-ptime %d%s", g_cfg->bts_force_ptime, VTY_NEWLINE);
vty_out(vty, " transcoder-remote-base %u%s", g_cfg->transcoder_remote_base, VTY_NEWLINE);
- vty_out(vty, " osmux %s%s",
- g_cfg->osmux == 1 ? "on" : "off", VTY_NEWLINE);
+
+ switch (g_cfg->osmux) {
+ case OSMUX_USAGE_ON:
+ vty_out(vty, " osmux on%s", VTY_NEWLINE);
+ break;
+ case OSMUX_USAGE_ONLY:
+ vty_out(vty, " osmux only%s", VTY_NEWLINE);
+ break;
+ case OSMUX_USAGE_OFF:
+ default:
+ vty_out(vty, " osmux off%s", VTY_NEWLINE);
+ break;
+ }
if (g_cfg->osmux) {
vty_out(vty, " osmux batch-factor %d%s",
g_cfg->osmux_batch, VTY_NEWLINE);
@@ -1249,18 +1260,24 @@
#define OSMUX_STR "RTP multiplexing\n"
DEFUN(cfg_mgcp_osmux,
cfg_mgcp_osmux_cmd,
- "osmux (on|off)",
- OSMUX_STR "Enable OSMUX\n" "Disable OSMUX\n")
+ "osmux (on|off|only)",
+ OSMUX_STR "Enable OSMUX\n" "Disable OSMUX\n" "Only use OSMUX\n")
{
- if (strcmp(argv[0], "on") == 0) {
- g_cfg->osmux = 1;
- if (g_cfg->trunk.audio_loop) {
- vty_out(vty, "Cannot use `loop' with `osmux'.%s",
- VTY_NEWLINE);
- return CMD_WARNING;
- }
- } else if (strcmp(argv[0], "off") == 0)
- g_cfg->osmux = 0;
+ if (strcmp(argv[0], "off") == 0) {
+ g_cfg->osmux = OSMUX_USAGE_OFF;
+ return CMD_SUCCESS;
+ }
+
+ if (strcmp(argv[0], "on") == 0)
+ g_cfg->osmux = OSMUX_USAGE_ON;
+ else if (strcmp(argv[0], "only") == 0)
+ g_cfg->osmux = OSMUX_USAGE_ONLY;
+
+ if (g_cfg->trunk.audio_loop) {
+ vty_out(vty, "Cannot use `loop' with `osmux'.%s",
+ VTY_NEWLINE);
+ return CMD_WARNING;
+ }
return CMD_SUCCESS;
}