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/* Control Interface Implementation for the Gb-proxy */
/*
* (C) 2018 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
* All Rights Reserved
*
* Author: Daniel Willmann
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <osmocom/core/talloc.h>
#include <osmocom/gprs/gprs_bssgp.h>
#include <osmocom/gprs/gprs_ns.h>
#include <osmocom/ctrl/control_if.h>
#include <osmocom/ctrl/control_cmd.h>
#include <osmocom/sgsn/gb_proxy.h>
#include <osmocom/sgsn/debug.h>
extern vector ctrl_node_vec;
struct nsvc_cb_data {
struct ctrl_cmd *cmd;
uint16_t nsei;
bool is_sgsn;
};
static int ctrl_nsvc_state_cb(struct gprs_ns2_vc *nsvc, void *ctx) {
struct nsvc_cb_data *data = (struct nsvc_cb_data *)ctx;
struct ctrl_cmd *cmd = (struct ctrl_cmd *)data->cmd;
cmd->reply = talloc_asprintf_append(cmd->reply, "%u,%s,%s,%s\n",
data->nsei, gprs_ns2_ll_str(nsvc), gprs_ns2_nsvc_state_name(nsvc),
data->is_sgsn ? "SGSN" : "BSS" );
return 0;
}
static int get_nsvc_state(struct ctrl_cmd *cmd, void *data)
{
struct gbproxy_config *cfg = data;
struct gprs_ns2_inst *nsi = cfg->nsi;
struct gprs_ns2_nse *nse;
struct gbproxy_nse *nse_peer;
int i;
cmd->reply = talloc_strdup(cmd, "");
/* NS-VCs for SGSN */
nse = gprs_ns2_nse_by_nsei(nsi, cfg->nsip_sgsn_nsei);
if (nse)
gprs_ns2_nse_foreach_nsvc(nse, &ctrl_nsvc_state_cb, cmd);
/* NS-VCs for BSS peers */
hash_for_each(cfg->bss_nses, i, nse_peer, list) {
nse = gprs_ns2_nse_by_nsei(nsi, nse_peer->nsei);
if (nse)
gprs_ns2_nse_foreach_nsvc(nse, &ctrl_nsvc_state_cb, cmd);
}
return CTRL_CMD_REPLY;
}
CTRL_CMD_DEFINE_RO(nsvc_state, "nsvc-state");
static int get_gbproxy_state(struct ctrl_cmd *cmd, void *data)
{
struct gbproxy_config *cfg = data;
struct gbproxy_nse *nse_peer;
int i, j;
cmd->reply = talloc_strdup(cmd, "");
hash_for_each(cfg->bss_nses, i, nse_peer, list) {
struct gbproxy_bvc *bvc;
hash_for_each(nse_peer->bvcs, j, bvc, list) {
struct gprs_ra_id raid;
gsm48_parse_ra(&raid, bvc->ra);
cmd->reply = talloc_asprintf_append(cmd->reply, "%u,%u,%u,%u,%u,%u,%s\n",
nse_peer->nsei, bvc->bvci,
raid.mcc, raid.mnc,
raid.lac, raid.rac,
bvc->blocked ? "BLOCKED" : "UNBLOCKED");
}
}
return CTRL_CMD_REPLY;
}
CTRL_CMD_DEFINE_RO(gbproxy_state, "gbproxy-state");
static int get_num_peers(struct ctrl_cmd *cmd, void *data)
{
struct gbproxy_config *cfg = data;
struct gbproxy_nse *nse_peer;
struct gbproxy_bvc *bvc;
uint32_t count = 0;
int i, j;
hash_for_each(cfg->bss_nses, i, nse_peer, list) {
hash_for_each(nse_peer->bvcs, j, bvc, list)
count++;
}
cmd->reply = talloc_strdup(cmd, "");
cmd->reply = talloc_asprintf_append(cmd->reply, "%u", count);
return CTRL_CMD_REPLY;
}
CTRL_CMD_DEFINE_RO(num_peers, "number-of-peers");
int gb_ctrl_cmds_install(void)
{
int rc = 0;
rc |= ctrl_cmd_install(CTRL_NODE_ROOT, &cmd_nsvc_state);
rc |= ctrl_cmd_install(CTRL_NODE_ROOT, &cmd_gbproxy_state);
rc |= ctrl_cmd_install(CTRL_NODE_ROOT, &cmd_num_peers);
return rc;
}
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