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osmo-bsc
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osmo-bsc: Command bts_connection_status with TRAPS

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Daniel Willmann 2011-11-03 16:23:08 +01:00 committed by Holger Hans Peter Freyther
parent 806d6549f8
commit 7a7c2f8567
1 changed files with 75 additions and 0 deletions
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75
openbsc/src/osmo-bsc/osmo_bsc_ctrl.c
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@ -111,6 +111,75 @@ static int msc_connection_status_trap_cb(unsigned int subsys, unsigned int signa
return 0;
}
CTRL_CMD_DEFINE(bts_connection_status, "bts_connection_status");
static int bts_connection_status = 0;
static int get_bts_connection_status(struct ctrl_cmd *cmd, void *data)
{
if (bts_connection_status)
cmd->reply = "connected";
else
cmd->reply = "disconnected";
return CTRL_CMD_REPLY;
}
static int set_bts_connection_status(struct ctrl_cmd *cmd, void *data)
{
return CTRL_CMD_ERROR;
}
static int verify_bts_connection_status(struct ctrl_cmd *cmd, const char *value, void *data)
{
cmd->reply = "Read-only property";
return 1;
}
static int bts_connection_status_trap_cb(unsigned int subsys, unsigned int signal, void *handler_data, void *signal_data)
{
struct ctrl_cmd *cmd;
struct gsm_network *gsmnet = (struct gsm_network *)handler_data;
struct gsm_bts *bts;
int bts_current_status;
if (signal != S_L_INP_TEI_DN && signal != S_L_INP_TEI_UP) {
return 0;
}
bts_current_status = 0;
/* Check if OML on at least one BTS is up */
llist_for_each_entry(bts, &gsmnet->bts_list, list) {
if (bts->oml_link) {
bts_current_status = 1;
break;
}
}
if (bts_connection_status == 0 && bts_current_status == 1) {
LOGP(DCTRL, LOGL_DEBUG, "BTS connection (re)established, sending TRAP.\n");
} else if (bts_connection_status == 1 && bts_current_status == 0) {
LOGP(DCTRL, LOGL_DEBUG, "No more BTS connected, sending TRAP.\n");
} else {
return 0;
}
cmd = ctrl_cmd_create(tall_bsc_ctx, CTRL_TYPE_TRAP);
if (!cmd) {
LOGP(DCTRL, LOGL_ERROR, "Trap creation failed.\n");
return 0;
}
bts_connection_status = bts_current_status;
cmd->id = "0";
cmd->variable = "bts_connection_status";
get_bts_connection_status(cmd, NULL);
ctrl_cmd_send_to_all(gsmnet->ctrl, cmd);
talloc_free(cmd);
return 0;
}
static int get_bts_loc(struct ctrl_cmd *cmd, void *data);
@ -365,6 +434,12 @@ int bsc_ctrl_cmds_install(struct gsm_network *net)
if (rc)
goto end;
rc = osmo_signal_register_handler(SS_MSC, &msc_connection_status_trap_cb, net);
if (rc)
goto end;
rc = ctrl_cmd_install(CTRL_NODE_ROOT, &cmd_bts_connection_status);
if (rc)
goto end;
rc = osmo_signal_register_handler(SS_L_INPUT, &bts_connection_status_trap_cb, net);
end:
return rc;
}