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/*
* Copyright (c) 2017-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* \file main.c
* \brief Face manager daemon entry point
*/
#include <getopt.h>
#include <limits.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h> // sleep
#include <hicn/facemgr.h>
#include <hicn/policy.h>
#include <hicn/util/ip_address.h>
#include <hicn/util/log.h>
#include <hicn/facemgr/cfg.h>
#include <hicn/facemgr/loop.h>
#include "cfg_file.h"
#include "util/map.h"
#define FACEMGR_TIMEOUT 3
#if 0
static struct event_base * loop;
#endif
static loop_t * loop = NULL;
#ifdef __linux__
#ifdef WITH_THREAD
static bool stop = false;
#endif /* WITH_THREAD */
#endif /* __linux__ */
static struct option long_options[] =
{
{"config", required_argument, 0, 'c'},
{0, 0, 0, 0}
};
typedef struct {
char * cfgfile;
} facemgr_options_t;
void usage(const char * progname)
{
printf("%s: Face manager daemon\n", progname);
printf("\n");
printf("Usage: %s [OPTIONS]\n", progname);
printf("\n");
printf("OPTIONS:\n");
printf(" -c --config [FILE|none] Sets the configuration file (unless none, default: /etc/facemgr.conf, ~/facemgr.conf)\n");
printf("\n");
}
void facemgr_signal_handler(int signal) {
fprintf(stderr, "Received ^C... quitting !\n");
if (loop) {
loop_break(loop);
#ifdef __linux__
#ifdef WITH_THREAD
stop = true;
#endif /* WITH_THREAD */
#endif /* __linux__ */
}
}
int parse_cmdline(int argc, char ** argv, facemgr_options_t * opts)
{
int c;
while ((c = getopt_long(argc, argv, "c:", long_options, NULL)) != -1) {
switch(c) {
case 'c':
opts->cfgfile = optarg;
break;
case ':':
case '?':
default:
usage(argv[0]);
exit(EXIT_FAILURE);
}
}
return 0;
}
#ifdef __linux__
#endif /* __linux__ */
int
dump_facelet(const facemgr_t * facemgr, const facelet_t * facelet,
void * user_data)
{
char facelet_s[MAXSZ_FACELET];
facelet_snprintf(facelet_s, MAXSZ_FACELET, facelet);
DEBUG("%s", facelet_s);
return 0;
}
int main(int argc, char ** argv)
{
facemgr_cfg_t * cfg = NULL;
facemgr_t * facemgr;
struct sigaction sigIntHandler;
sigIntHandler.sa_handler = facemgr_signal_handler;
sigemptyset(&sigIntHandler.sa_mask);
sigIntHandler.sa_flags = 0;
sigaction(SIGINT, &sigIntHandler, NULL);
char cfgfile[PATH_MAX];
// TODO: default < config < commandline on a per option basis
/* Commandline */
facemgr_options_t cmdline_opts = {0};
if (parse_cmdline(argc, argv, &cmdline_opts) < 0) {
ERROR("Error parsing commandline");
goto ERR_CMDLINE;
}
/* Configuration file */
//facemgr_options_t cfgfile_opts;
if (cmdline_opts.cfgfile) {
if (strcasecmp(cmdline_opts.cfgfile, "none") == 0)
goto NO_CFGFILE;
if (!realpath(cmdline_opts.cfgfile, (char*)&cfgfile))
goto ERR_PATH;
goto PARSE_CFGFILE;
}
/* No commandline path specifed, probe default locations... */
if (probe_cfgfile(cfgfile) < 0)
goto NO_CFGFILE;
PARSE_CFGFILE:
DEBUG("Using configuration file %s", cfgfile);
cfg = facemgr_cfg_create();
if (!cfg)
goto ERR_FACEMGR_CFG;
if (parse_config_file(cfgfile, cfg) < 0) {
ERROR("Error parsing configuration file %s", cfgfile);
goto ERR_PARSE;
}
facemgr = facemgr_create_with_config(cfg);
if (!facemgr)
goto ERR_FACEMGR_CONFIG;
goto MAIN_LOOP;
NO_CFGFILE:
facemgr = facemgr_create();
if (!facemgr)
goto ERR_FACEMGR;
MAIN_LOOP:
/* Main loop */
loop = loop_create();
#ifdef __linux__
facemgr_set_callback(facemgr, loop, (void*)loop_callback);
#endif /* __linux__ */
#ifdef __ANDROID__
facemgr_set_jvm(facemgr, NULL, NULL); // FIXME
#endif /* __ ANDROID__ */
DEBUG("Bootstrap...");
if (facemgr_bootstrap(facemgr) < 0 )
goto ERR_BOOTSTRAP;
if (loop_dispatch(loop) < 0) {
ERROR("Failed to run main loop");
return EXIT_FAILURE;
}
#ifdef __linux__
#ifdef WITH_THREAD
unsigned cpt = 0;
while(!stop) {
if (cpt == 10) {
DEBUG("<facelets>");
#if 1
facemgr_list_facelets(facemgr, dump_facelet, NULL);
#else
char * buffer;
int n = facemgr_list_facelets_json(facemgr, &buffer);
printf("%s\n", buffer);
free(buffer);
#endif
DEBUG("</facelets>");
cpt = 0;
}
usleep(500000);
cpt++;
}
#endif /* WITH_THREAD */
#endif /* __linux__ */
facemgr_stop(facemgr);
if (loop_undispatch(loop) < 0) {
ERROR("Failed to terminate main loop");
return EXIT_FAILURE;
}
facemgr_free(facemgr);
if (cfg)
facemgr_cfg_free(cfg);
loop_free(loop);
return EXIT_SUCCESS;
ERR_BOOTSTRAP:
facemgr_free(facemgr);
loop_free(loop);
ERR_FACEMGR_CONFIG:
ERR_FACEMGR:
ERR_PARSE:
if (cfg)
facemgr_cfg_free(cfg);
ERR_FACEMGR_CFG:
ERR_PATH:
ERR_CMDLINE:
return EXIT_FAILURE;
}
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