| /* |
| * (C) 2010-2011 by Holger Hans Peter Freyther <zecke@selfish.org> |
| * (C) 2010-2011 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 <net-snmp/net-snmp-config.h> |
| #include <net-snmp/utilities.h> |
| #include <net-snmp/net-snmp-includes.h> |
| |
| #include <cellmgr_debug.h> |
| |
| #define HSCOMM "PTI-NexusWare-HSCMCONN-MIB::" |
| |
| #define PTMC_STREAM_A_RX0 0 |
| #define PTMC_STREAM_A_TX0 128 |
| #define PTMC_STREAM_A_RX1 1024 |
| #define PTMC_STREAM_A_TX1 1152 |
| |
| |
| static netsnmp_session g_session, *g_ss; |
| |
| static void add_pdu_var(netsnmp_pdu *pdu, const char *mib_name, |
| int id1, int id2, 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.%d", mib_name, id1, id2); |
| |
| 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, 'i', value)) { |
| snmp_perror(buf); |
| return; |
| } |
| } |
| |
| static int rx_port_get(int port) |
| { |
| if (port > 60) |
| return PTMC_STREAM_A_RX1 + port; |
| else |
| return PTMC_STREAM_A_RX0 + port; |
| } |
| |
| static int tx_port_get(int port) |
| { |
| if (port > 60) |
| return PTMC_STREAM_A_TX1 + port; |
| else |
| return PTMC_STREAM_A_TX0 + port; |
| } |
| |
| int mgcp_snmp_init() |
| { |
| init_snmp("mgcp_mgw"); |
| snmp_sess_init(&g_session); |
| g_session.version = SNMP_VERSION_1; |
| g_session.community = (unsigned char *) "private"; |
| g_session.community_len = strlen((const char *) g_session.community); |
| |
| g_session.peername = "127.0.0.1"; |
| g_ss = snmp_open(&g_session); |
| if (!g_ss) { |
| snmp_perror("create failure"); |
| snmp_log(LOG_ERR, "Could not connect to the remote.\n"); |
| LOGP(DINP, LOGL_ERROR, "Failed to open a SNMP session.\n"); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| int mgcp_snmp_connect(int port, int trunk, int timeslot) |
| { |
| int status; |
| netsnmp_pdu *response = NULL; |
| netsnmp_pdu *pdu; |
| int _rx_port, _tx_port; |
| char tx_port[10]; |
| char trunk_name[13], tslot_name[13]; |
| |
| if (!g_ss) |
| return -1; |
| |
| /* have the trunk/timeslot as value */ |
| snprintf(trunk_name, sizeof(trunk_name), "%d", trunk); |
| snprintf(tslot_name, sizeof(tslot_name), "%d", timeslot); |
| |
| /* rx port, tx side for the port */ |
| _rx_port = rx_port_get(port); |
| _tx_port = tx_port_get(port); |
| snprintf(tx_port, sizeof(tx_port), "%d", _tx_port); |
| |
| pdu = snmp_pdu_create(SNMP_MSG_SET); |
| if (!pdu) { |
| LOGP(DINP, LOGL_ERROR, "Failed to allocate PDU.\n"); |
| return -1; |
| } |
| |
| /* This connects the TX side to the given trunk/timeslot */ |
| add_pdu_var(pdu, HSCOMM "hscmconnNewDataSourceType.hscmconnStreamTrunk", |
| trunk, timeslot, "hscmconnStreamPtmc"); |
| add_pdu_var(pdu, HSCOMM "hscmconnNewDataSourceTypeInstance.hscmconnStreamTrunk", |
| trunk, timeslot, "1"); |
| add_pdu_var(pdu, HSCOMM "hscmconnNewDataSourceTimeslot.hscmconnStreamTrunk", |
| trunk, timeslot, tx_port); |
| add_pdu_var(pdu, HSCOMM "hscmconnNewDataSourcePattern.hscmconnStreamTrunk", |
| trunk, timeslot, "0"); |
| add_pdu_var(pdu, HSCOMM "hscmconnNewDataSourceTimeslotCount.hscmconnStreamTrunk", |
| trunk, timeslot, "1"); |
| add_pdu_var(pdu, HSCOMM "hscmconnConnectBidirectional.hscmconnStreamTrunk", |
| trunk, timeslot, "false"); |
| |
| /* This connect the RX side to the given trunk/timeslot */ |
| add_pdu_var(pdu, HSCOMM "hscmconnNewDataSourceType.hscmconnStreamPtmc", |
| 1, _rx_port, "hscmconnStreamTrunk"); |
| add_pdu_var(pdu, HSCOMM "hscmconnNewDataSourceTypeInstance.hscmconnStreamPtmc", |
| 1, _rx_port, trunk_name); |
| add_pdu_var(pdu, HSCOMM "hscmconnNewDataSourceTimeslot.hscmconnStreamPtmc", |
| 1, _rx_port, tslot_name); |
| add_pdu_var(pdu, HSCOMM "hscmconnNewDataSourcePattern.hscmconnStreamPtmc", |
| 1, _rx_port, "0"); |
| add_pdu_var(pdu, HSCOMM "hscmconnNewDataSourceTimeslotCount.hscmconnStreamPtmc", |
| 1, _rx_port, "1"); |
| add_pdu_var(pdu, HSCOMM "hscmconnConnectBidirectional.hscmconnStreamPtmc", |
| 1, _rx_port, "false"); |
| |
| |
| status = snmp_synch_response(g_ss, pdu, &response); |
| if (status == STAT_ERROR) { |
| snmp_sess_perror("set failed", g_ss); |
| goto failure; |
| } else if (status == STAT_TIMEOUT) { |
| fprintf(stderr, "Timeout for SNMP.\n"); |
| goto failure; |
| } |
| |
| if (response) |
| snmp_free_pdu(response); |
| return 0; |
| |
| failure: |
| if (response) |
| snmp_free_pdu(response); |
| return -1; |
| } |