192 lines
4.5 KiB
C
192 lines
4.5 KiB
C
/* SNMP-like status interface. Look-up of BTS/TRX
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*
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* (C) 2010-2011 by Daniel Willmann <daniel@totalueberwachung.de>
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* (C) 2010-2011 by On-Waves
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <errno.h>
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#include <osmocom/vty/command.h>
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#include <osmocom/ctrl/control_if.h>
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#include <openbsc/debug.h>
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#include <openbsc/gsm_data.h>
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extern vector ctrl_node_vec;
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static int get_num(vector vline, int i, long *num)
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{
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char *token, *tmp;
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if (i >= vector_active(vline))
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return 0;
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token = vector_slot(vline, i);
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errno = 0;
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if (token[0] == '\0')
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return 0;
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*num = strtol(token, &tmp, 10);
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if (tmp[0] != '\0' || errno != 0)
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return 0;
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return 1;
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}
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int bsc_ctrl_cmd_handle(struct ctrl_cmd *cmd, void *data)
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{
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char *token, *request;
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long num;
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int i, j, ret, node;
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struct gsm_network *net = data;
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struct gsm_bts *bts = NULL;
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struct gsm_bts_trx *trx = NULL;
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struct gsm_bts_trx_ts *ts = NULL;
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vector vline, cmdvec, cmds_vec;
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ret = CTRL_CMD_ERROR;
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cmd->reply = NULL;
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node = CTRL_NODE_ROOT;
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cmd->node = net;
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request = talloc_strdup(tall_bsc_ctx, cmd->variable);
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if (!request)
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goto err;
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for (i=0;i<strlen(request);i++) {
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if (request[i] == '.')
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request[i] = ' ';
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}
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vline = cmd_make_strvec(request);
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talloc_free(request);
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if (!vline) {
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cmd->reply = "cmd_make_strvec failed.";
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goto err;
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}
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for (i=0;i<vector_active(vline);i++) {
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token = vector_slot(vline, i);
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/* TODO: We need to make sure that the following chars are digits
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* and/or use strtol to check if number conversion was successful
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* Right now something like net.bts_stats will not work */
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if (!strcmp(token, "bts")) {
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if (!net)
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goto err_missing;
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i++;
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if (!get_num(vline, i, &num))
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goto err_index;
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bts = gsm_bts_num(net, num);
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if (!bts)
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goto err_missing;
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cmd->node = bts;
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node = CTRL_NODE_BTS;
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} else if (!strcmp(token, "trx")) {
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if (!bts)
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goto err_missing;
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i++;
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if (!get_num(vline, i, &num))
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goto err_index;
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trx = gsm_bts_trx_num(bts, num);
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if (!trx)
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goto err_missing;
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cmd->node = trx;
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node = CTRL_NODE_TRX;
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} else if (!strcmp(token, "ts")) {
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if (!trx)
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goto err_missing;
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i++;
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if (!get_num(vline, i, &num))
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goto err_index;
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if ((num >= 0) && (num < TRX_NR_TS))
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ts = &trx->ts[num];
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if (!ts)
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goto err_missing;
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cmd->node = ts;
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node = CTRL_NODE_TS;
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} else {
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/* If we're here the rest must be the command */
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cmdvec = vector_init(vector_active(vline)-i);
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for (j=i; j<vector_active(vline); j++) {
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vector_set(cmdvec, vector_slot(vline, j));
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}
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/* Get the command vector of the right node */
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cmds_vec = vector_lookup(ctrl_node_vec, node);
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if (!cmds_vec) {
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cmd->reply = "Command not found.";
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vector_free(cmdvec);
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break;
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}
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ret = ctrl_cmd_exec(cmdvec, cmd, cmds_vec, data);
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vector_free(cmdvec);
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break;
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}
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if (i+1 == vector_active(vline))
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cmd->reply = "Command not present.";
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}
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cmd_free_strvec(vline);
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err:
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if (!cmd->reply) {
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if (ret == CTRL_CMD_ERROR) {
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cmd->reply = "An error has occured.";
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LOGP(DCTRL, LOGL_NOTICE,
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"%s: cmd->reply has not been set (ERROR).\n",
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cmd->variable);
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} else if (ret == CTRL_CMD_REPLY) {
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LOGP(DCTRL, LOGL_NOTICE,
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"%s: cmd->reply has not been set (type = %d).\n",
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cmd->variable, cmd->type);
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cmd->reply = "";
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} else {
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cmd->reply = "Command has been handled.";
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}
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}
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if (ret == CTRL_CMD_ERROR)
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cmd->type = CTRL_TYPE_ERROR;
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return ret;
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err_missing:
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cmd_free_strvec(vline);
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cmd->type = CTRL_TYPE_ERROR;
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cmd->reply = "Error while resolving object";
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return ret;
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err_index:
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cmd_free_strvec(vline);
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cmd->type = CTRL_TYPE_ERROR;
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cmd->reply = "Error while parsing the index.";
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return ret;
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}
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struct ctrl_handle *bsc_controlif_setup(struct gsm_network *net, uint16_t port)
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{
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return controlif_setup(net, port, bsc_ctrl_cmd_handle);
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}
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