mirror of https://gerrit.osmocom.org/osmo-sysmon
163 lines
3.8 KiB
C
163 lines
3.8 KiB
C
/* Simple Osmocom System Monitor (osysmon) */
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/* (C) 2018 by Harald Welte <laforge@gnumonks.org>
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* All Rights Reserved.
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*
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* SPDX-License-Identifier: GPL-2.0+
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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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <signal.h>
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#include "config.h"
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#include "osysmon.h"
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#include "value_node.h"
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/application.h>
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static struct log_info log_info = {};
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static int osysmon_go_parent(struct vty *vty)
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{
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switch (vty->node) {
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case CTRL_CLIENT_NODE:
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case CTRL_CLIENT_GETVAR_NODE:
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return osysmon_ctrl_go_parent(vty);
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}
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return vty->node;
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}
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static int osysmon_is_config_node(struct vty *vty, int node)
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{
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switch (node) {
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/* no non-config-nodes */
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default:
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return 1;
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}
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}
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static struct vty_app_info vty_info = {
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.name = "osysmon",
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.copyright =
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"Copyright (C) 2008-2018 Harald Welte\r\n"
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"License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl-2.0.html>\r\n"
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"This is free software: you are free to change and redistribute it.\r\n"
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"There is NO WARRANTY, to the extent permitted by law.\r\n",
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.version = PACKAGE_VERSION,
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.go_parent_cb = osysmon_go_parent,
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.is_config_node = osysmon_is_config_node,
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};
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static const char *config_file = "osysmon.cfg";
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struct osysmon_state *g_oss;
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static void print_node(struct value_node *node, unsigned int indent)
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{
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unsigned int i;
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if (node->value) {
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for (i = 0; i < indent; i++)
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fputc(' ', stdout);
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printf("%s: %s\n", node->name, node->value);
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} else {
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struct value_node *vn;
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for (i = 0; i < indent; i++)
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fputc(' ', stdout);
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printf("%s\n", node->name);
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llist_for_each_entry(vn, &node->children, list)
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print_node(vn, indent+2);
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}
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}
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static void display_update(struct value_node *root)
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{
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print_node(root, 0);
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}
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static void signal_handler(int signal)
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{
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fprintf(stderr, "Signal %u received", signal);
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switch(signal) {
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case SIGUSR1:
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talloc_report(g_oss, stderr);
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break;
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default:
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break;
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}
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}
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static void exit_help(void)
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{
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printf("Usage:\n");
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printf("\tosmo-ctrl-client HOST PORT get VARIABLE\n");
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printf("\tosmo-ctrl-client HOST PORT set VARIABLE VALUE\n");
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printf("\tosmo-ctrl-client HOST PORT monitor\n");
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exit(2);
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}
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int main(int argc, char **argv)
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{
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int rc;
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osmo_init_logging2(NULL, &log_info);
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g_oss = talloc_zero(NULL, struct osysmon_state);
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INIT_LLIST_HEAD(&g_oss->ctrl_clients);
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INIT_LLIST_HEAD(&g_oss->netdevs);
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INIT_LLIST_HEAD(&g_oss->files);
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vty_init(&vty_info);
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osysmon_sysinfo_init();
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osysmon_ctrl_init();
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osysmon_rtnl_init();
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osysmon_file_init();
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rc = vty_read_config_file(config_file, NULL);
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if (rc < 0) {
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fprintf(stderr, "Failed to parse the config file\n");
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exit(2);
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}
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signal(SIGUSR1, &signal_handler);
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signal(SIGUSR2, &signal_handler);
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osmo_init_ignore_signals();
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while (1) {
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struct value_node *root = value_node_add(g_oss, NULL, "root", NULL);
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osysmon_sysinfo_poll(root);
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osysmon_ctrl_poll(root);
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osysmon_rtnl_poll(root);
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osysmon_file_poll(root);
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display_update(root);
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value_node_del(root);
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sleep(1);
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}
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exit(0);
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}
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