| /* |
| * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org> |
| * (C) 2010 by On-Waves |
| * All Rights Reserved |
| * |
| * 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 <snmp_mtp.h> |
| #include <osmocore/talloc.h> |
| |
| static void add_pdu_var(netsnmp_pdu *pdu, const char *mib_name, int id, const char *value) |
| { |
| oid oid_name[MAX_OID_LEN]; |
| size_t name_length; |
| |
| char buf[4096]; |
| buf[4095] = '\0'; |
| snprintf(buf, sizeof(buf)-1, "%s.%d", mib_name, id); |
| |
| name_length = MAX_OID_LEN; |
| if (snmp_parse_oid(buf, oid_name, &name_length) == NULL) { |
| snmp_perror(buf); |
| return; |
| } |
| |
| if (snmp_add_var(pdu, oid_name, name_length, '=', value)) { |
| snmp_perror(buf); |
| return; |
| } |
| } |
| |
| static void send_pdu(netsnmp_session *ss, netsnmp_pdu *pdu) |
| { |
| int status; |
| netsnmp_pdu *response; |
| |
| status = snmp_synch_response(ss, pdu, &response); |
| if (status == STAT_ERROR) { |
| snmp_sess_perror("set failed", ss); |
| } else if (status == STAT_TIMEOUT) { |
| fprintf(stderr, "Timeout for SNMP.\n"); |
| } |
| |
| if (response) |
| snmp_free_pdu(response); |
| } |
| |
| void snmp_mtp_start_c7_datalink(struct snmp_mtp_session *session, int link_id) |
| { |
| netsnmp_pdu *pdu; |
| pdu = snmp_pdu_create(SNMP_MSG_SET); |
| |
| add_pdu_var(pdu, "PTI-NexusWareC7-MIB::nwc7DatalinkCommand", link_id, "nwc7DatalinkCmdPowerOn"); |
| add_pdu_var(pdu, "PTI-NexusWareC7-MIB::nwc7Mtp2Active", link_id, "true"); |
| send_pdu(session->ss, pdu); |
| } |
| |
| void snmp_mtp_stop_c7_datalink(struct snmp_mtp_session *session, int link_id) |
| { |
| netsnmp_pdu *pdu; |
| pdu = snmp_pdu_create(SNMP_MSG_SET); |
| |
| add_pdu_var(pdu, "PTI-NexusWareC7-MIB::nwc7Mtp2Active", link_id, "false"); |
| send_pdu(session->ss, pdu); |
| } |
| |
| struct snmp_mtp_session *snmp_mtp_session_create(char *host) |
| { |
| struct snmp_mtp_session *session = talloc_zero(NULL, struct snmp_mtp_session); |
| if (!session) |
| return NULL; |
| |
| init_snmp("cellmgr_ng"); |
| snmp_sess_init(&session->session); |
| session->session.peername = host; |
| session->session.version = SNMP_VERSION_1; |
| session->session.community = (unsigned char *) "private"; |
| session->session.community_len = strlen((const char *) session->session.community); |
| |
| session->ss = snmp_open(&session->session); |
| if (!session->ss) { |
| snmp_perror("create failure"); |
| snmp_log(LOG_ERR, "Could not connect to the remote.\n"); |
| talloc_free(session); |
| return NULL; |
| } |
| |
| return session; |
| } |
| |
| void snmp_mtp_deactivate(struct snmp_mtp_session *session, int index) |
| { |
| snmp_mtp_stop_c7_datalink(session, index); |
| } |
| |
| void snmp_mtp_activate(struct snmp_mtp_session *session, int index) |
| { |
| snmp_mtp_start_c7_datalink(session, index); |
| } |