mirror of https://gerrit.osmocom.org/libosmocore
336 lines
8.4 KiB
C
336 lines
8.4 KiB
C
/* Rate counter and statsd test application */
|
|
/* (C) 2022 by by sysmocom - s.f.m.c. GmbH
|
|
* All Rights Reserved
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU 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 General Public License for more details.
|
|
*
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <getopt.h>
|
|
#include <signal.h>
|
|
#include <unistd.h>
|
|
#include <inttypes.h>
|
|
|
|
#include <osmocom/core/select.h>
|
|
#include <osmocom/core/application.h>
|
|
#include <osmocom/core/stats.h>
|
|
#include <osmocom/ctrl/control_if.h>
|
|
#include <osmocom/ctrl/control_vty.h>
|
|
#include <osmocom/vty/vty.h>
|
|
#include <osmocom/vty/telnet_interface.h>
|
|
#include <osmocom/vty/command.h>
|
|
#include <osmocom/vty/ports.h>
|
|
#include <osmocom/vty/tdef_vty.h>
|
|
#include <osmocom/vty/logging.h>
|
|
#include <osmocom/vty/stats.h>
|
|
#include <osmocom/vty/misc.h>
|
|
|
|
#include "config.h"
|
|
|
|
void *tall_statdummy_ctx = NULL;
|
|
static bool quit = false;
|
|
static bool config_given = false;
|
|
struct rate_ctr_group *g_ctrg;
|
|
|
|
enum dummy_rate_ctr_idx {
|
|
DUMMY_VTY = 0,
|
|
DUMMY_AUTO,
|
|
};
|
|
|
|
static void print_help(void)
|
|
{
|
|
printf("Some useful options:\n"
|
|
" -h --help This text\n"
|
|
" -c --config-file Specify the filename of the config file\n"
|
|
" -V --version Print version\n"
|
|
"\nVTY reference generation:\n"
|
|
" --vty-ref-mode MODE VTY reference generation mode (e.g. 'expert').\n"
|
|
" --vty-ref-xml Generate the VTY reference XML output and exit.\n"
|
|
);
|
|
}
|
|
|
|
static void handle_long_options(const char *prog_name, const int long_option)
|
|
{
|
|
static int vty_ref_mode = VTY_REF_GEN_MODE_DEFAULT;
|
|
|
|
switch (long_option) {
|
|
case 1:
|
|
vty_ref_mode = get_string_value(vty_ref_gen_mode_names, optarg);
|
|
if (vty_ref_mode < 0) {
|
|
fprintf(stderr, "%s: Unknown VTY reference generation mode '%s'\n", prog_name, optarg);
|
|
exit(2);
|
|
}
|
|
break;
|
|
case 2:
|
|
fprintf(stderr, "Generating the VTY reference in mode '%s' (%s)\n",
|
|
get_value_string(vty_ref_gen_mode_names, vty_ref_mode),
|
|
get_value_string(vty_ref_gen_mode_desc, vty_ref_mode));
|
|
vty_dump_xml_ref_mode(stdout, (enum vty_ref_gen_mode) vty_ref_mode);
|
|
exit(0);
|
|
default:
|
|
fprintf(stderr, "%s: error parsing cmdline options\n", prog_name);
|
|
exit(2);
|
|
}
|
|
}
|
|
|
|
static char *handle_options(int argc, char **argv)
|
|
{
|
|
char *config_file = NULL;
|
|
|
|
while (1) {
|
|
int option_idx = 0, c;
|
|
static int long_option = 0;
|
|
static const struct option long_options[] = {
|
|
{ "help", 0, 0, 'h' },
|
|
{ "config-file", 1, 0, 'c' },
|
|
{ "version", 0, 0, 'V' },
|
|
{ "vty-ref-mode", 1, &long_option, 1 },
|
|
{ "vty-ref-xml", 0, &long_option, 2 },
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
|
|
c = getopt_long(argc, argv, "hc:V", long_options, &option_idx);
|
|
if (c == -1)
|
|
break;
|
|
|
|
switch (c) {
|
|
case 'h':
|
|
print_help();
|
|
exit(0);
|
|
break;
|
|
case 0:
|
|
handle_long_options(argv[0], long_option);
|
|
break;
|
|
case 'c':
|
|
if (config_file)
|
|
free(config_file);
|
|
config_file = optarg;
|
|
config_given = true;
|
|
break;
|
|
case 'V':
|
|
print_version(1);
|
|
exit(0);
|
|
break;
|
|
default:
|
|
fprintf(stderr, "Unknown option '%c'\n", c);
|
|
exit(0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!config_file)
|
|
return "osmo-stat-dummy.cfg";
|
|
|
|
return config_file;
|
|
}
|
|
|
|
void sighandler(int sigset)
|
|
{
|
|
if (sigset == SIGPIPE)
|
|
return;
|
|
|
|
fprintf(stderr, "Signal %d received.\n", sigset);
|
|
|
|
switch (sigset) {
|
|
case SIGINT:
|
|
case SIGTERM:
|
|
/* If another signal is received afterwards, the program
|
|
* is terminated without finishing shutdown process.
|
|
*/
|
|
signal(SIGINT, SIG_DFL);
|
|
signal(SIGTERM, SIG_DFL);
|
|
signal(SIGPIPE, SIG_DFL);
|
|
signal(SIGABRT, SIG_DFL);
|
|
signal(SIGUSR1, SIG_DFL);
|
|
signal(SIGUSR2, SIG_DFL);
|
|
|
|
quit = 1;
|
|
break;
|
|
case SIGABRT:
|
|
/* in case of abort, we want to obtain a talloc report and
|
|
* then run default SIGABRT handler, who will generate coredump
|
|
* and abort the process. abort() should do this for us after we
|
|
* return, but program wouldn't exit if an external SIGABRT is
|
|
* received.
|
|
*/
|
|
talloc_report_full(tall_statdummy_ctx, stderr);
|
|
signal(SIGABRT, SIG_DFL);
|
|
raise(SIGABRT);
|
|
break;
|
|
case SIGUSR1:
|
|
case SIGUSR2:
|
|
talloc_report_full(tall_statdummy_ctx, stderr);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int rate_ctr_timer_cb(struct osmo_fd *ofd, unsigned int what)
|
|
{
|
|
uint64_t expire_count;
|
|
int rc;
|
|
|
|
/* check that the timer has actually expired */
|
|
if (!(what & OSMO_FD_READ))
|
|
return 0;
|
|
|
|
/* read from timerfd: number of expirations of periodic timer */
|
|
rc = read(ofd->fd, (void *) &expire_count, sizeof(expire_count));
|
|
if (rc < 0 && errno == EAGAIN)
|
|
return 0;
|
|
|
|
OSMO_ASSERT(rc == sizeof(expire_count));
|
|
|
|
if (expire_count > 1)
|
|
LOGP(DLGLOBAL, LOGL_NOTICE, "Stats timer expire_count=%" PRIu64 ": We missed %" PRIu64 " timers\n",
|
|
expire_count, expire_count-1);
|
|
|
|
/* Increment the counter value */
|
|
rate_ctr_inc(rate_ctr_group_get_ctr(g_ctrg, DUMMY_AUTO));
|
|
|
|
return 0;
|
|
}
|
|
|
|
DEFUN(update_rate_ctr, update_rate_ctr_cmd,
|
|
"update-rate-ctr <0-100000>",
|
|
"Update dummy rate counter\n"
|
|
"Value to add to rate counter\n")
|
|
{
|
|
rate_ctr_add(rate_ctr_group_get_ctr(g_ctrg, DUMMY_VTY), atoi(argv[0]));
|
|
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
static int statdummy_vty_init(void)
|
|
{
|
|
install_element_ve(&update_rate_ctr_cmd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
struct log_info log_info = {};
|
|
char *config_file;
|
|
void *ctx = tall_statdummy_ctx = talloc_named_const(NULL, 0, "osmo-stat-dummy");
|
|
struct ctrl_handle *ctrl;
|
|
struct osmo_fd rate_ctr_timer = { .fd = -1 };
|
|
struct timespec ts_interval = { .tv_sec = 0, .tv_nsec = 500000000 }; /* 0.5 seconds */
|
|
int rc = 0;
|
|
|
|
const char vty_copyright[] =
|
|
"Copyright (C) 2022 by by sysmocom - s.f.m.c. GmbH\r\n"
|
|
"Author: Max Suraev <msuraev@sysmocom.de>\r\n"
|
|
"License GNU GPL version 3 or later\r\n"
|
|
"This is free software: you are free to change and redistribute it.\r\n"
|
|
"There is NO WARRANTY, to the extent permitted by law.\r\n";
|
|
|
|
struct vty_app_info vty_info = {
|
|
.name = "OsmoSTATdummy",
|
|
.version = PACKAGE_VERSION,
|
|
.copyright = vty_copyright,
|
|
.tall_ctx = ctx
|
|
};
|
|
|
|
const struct rate_ctr_desc dummy_ctr_desc[] = {
|
|
[DUMMY_VTY] = { "dummy:vty", "Dummy counter updated via VTY" },
|
|
[DUMMY_AUTO] = { "dummy:auto", "Dummy counter autoupdated via timer" },
|
|
};
|
|
|
|
const struct rate_ctr_group_desc dummy_ctrg_desc = {
|
|
"dummy",
|
|
"dummy stat tester",
|
|
OSMO_STATS_CLASS_GLOBAL,
|
|
ARRAY_SIZE(dummy_ctr_desc),
|
|
dummy_ctr_desc,
|
|
};
|
|
|
|
osmo_init_logging2(ctx, &log_info);
|
|
log_set_use_color(osmo_stderr_target, 0);
|
|
log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE);
|
|
log_set_log_level(osmo_stderr_target, LOGL_INFO);
|
|
|
|
msgb_talloc_ctx_init(ctx, 0);
|
|
|
|
vty_init(&vty_info);
|
|
ctrl_vty_init(ctx);
|
|
logging_vty_add_cmds();
|
|
osmo_stats_vty_add_cmds();
|
|
osmo_talloc_vty_add_cmds();
|
|
|
|
config_file = handle_options(argc, argv);
|
|
|
|
statdummy_vty_init();
|
|
rc = vty_read_config_file(config_file, NULL);
|
|
if (rc < 0) {
|
|
if (config_given) {
|
|
fprintf(stderr, "Failed to parse the config file: '%s'\n", config_file);
|
|
exit(1);
|
|
}
|
|
fprintf(stderr, "No config file: '%s' Using default config.\n", config_file);
|
|
}
|
|
|
|
rc = telnet_init_default(ctx, NULL, -1);
|
|
if (rc < 0) {
|
|
fprintf(stderr, "Error initializing telnet\n");
|
|
exit(1);
|
|
}
|
|
|
|
ctrl = ctrl_interface_setup(NULL, 1234, NULL);
|
|
if (!ctrl) {
|
|
fprintf(stderr, "Failed to initialize control interface. Exiting.\n");
|
|
exit(1);
|
|
}
|
|
|
|
g_ctrg = rate_ctr_group_alloc(ctx, &dummy_ctrg_desc, 0);
|
|
if (!g_ctrg) {
|
|
fprintf(stderr, "Failed to initialize rate counters. Exiting.\n");
|
|
return -1;
|
|
}
|
|
|
|
osmo_stats_init(ctx);
|
|
rate_ctr_init(ctx);
|
|
|
|
rc = osmo_timerfd_setup(&rate_ctr_timer, rate_ctr_timer_cb, NULL);
|
|
if (rc < 0) {
|
|
LOGP(DLGLOBAL, LOGL_ERROR, "Failed to setup the timer with error code %d (fd=%d)\n",
|
|
rc, rate_ctr_timer.fd);
|
|
return rc;
|
|
}
|
|
|
|
rc = osmo_timerfd_schedule(&rate_ctr_timer, NULL, &ts_interval);
|
|
if (rc < 0) {
|
|
LOGP(DLGLOBAL, LOGL_ERROR, "Failed to schedule the timer with error code %d (fd=%d)\n",
|
|
rc, rate_ctr_timer.fd);
|
|
}
|
|
|
|
signal(SIGINT, sighandler);
|
|
signal(SIGTERM, sighandler);
|
|
signal(SIGPIPE, sighandler);
|
|
signal(SIGABRT, sighandler);
|
|
signal(SIGUSR1, sighandler);
|
|
signal(SIGUSR2, sighandler);
|
|
osmo_init_ignore_signals();
|
|
|
|
while (!quit) {
|
|
osmo_select_main(0);
|
|
}
|
|
|
|
telnet_exit();
|
|
|
|
talloc_report_full(tall_statdummy_ctx, stderr);
|
|
talloc_free(tall_statdummy_ctx);
|
|
|
|
return 0;
|
|
}
|