void main_init() { /* one-time initialization */
#ifdef USE_SYSTEMD
int i;
systemd_fds=sd_listen_fds(1);
if(systemd_fds<0)
fatal("systemd initialization failed");
listen_fds_start=SD_LISTEN_FDS_START;
/* set non-blocking mode on systemd file descriptors */
for(i=0; i<systemd_fds; ++i)
set_nonblock(listen_fds_start+i, 1);
#else
systemd_fds=0; /* no descriptors received */
listen_fds_start=3; /* the value is not really important */
#endif
/* basic initialization contains essential functions required for logging
* subsystem to function properly, thus all errors here are fatal */
if(ssl_init()) /* initialize SSL library */
fatal("SSL initialization failed");
if(sthreads_init()) /* initialize critical sections & SSL callbacks */
fatal("Threads initialization failed");
if(cron_init()) /* initialize periodic events */
fatal("Cron initialization failed");
options_defaults();
options_apply();
#ifndef USE_FORK
get_limits(); /* required by setup_fd() */
#endif
fds=s_poll_alloc();
if(signal_pipe_init())
fatal("Signal pipe initialization failed: "
"check your personal firewall");
stunnel_info(LOG_NOTICE);
}
void n230_init(void)
{
//TODO: We may need to remove the debug UART before we release.
//Initialize the debug UART first.
wb_uart_init(WB_DBG_UART_BASE, CPU_CLOCK_FREQ/DBG_UART_BAUD);
init_printf(NULL, putc);
//Now we can init the rest with prints
UHD_FW_TRACE_FSTR(INFO, "[ZPU Init Begin -- CPU CLOCK is %d MHz]", (CPU_CLOCK_FREQ/1000000));
//Initialize cron and the per millisecond cron job
UHD_FW_TRACE(INFO, "Initializing cron...");
cron_init(get_counter_val, CPU_CLOCK_FREQ);
cron_job_init(PER_MILLISEC_CRON_JOBID, 1);
cron_job_init(PER_SECOND_CRON_JOBID, 1000);
//Initialize rate for I2C cores
UHD_FW_TRACE(INFO, "Initializing I2C...");
for (uint32_t i = 0; i < N230_NUM_ETH_PORTS; i++) {
wb_i2c_init((i==1)?WB_ETH1_I2C_BASE:WB_ETH0_I2C_BASE, CPU_CLOCK_FREQ);
}
//Initialize eeprom
read_n230_eeprom();
UHD_FW_TRACE(INFO, "Initializing network stack...");
init_network_stack();
}
int main(int argc, char **argv) {
int exit_code = EXIT_FAILURE;
int i;
bool help = false;
bool version = false;
bool check_config = false;
bool daemon = false;
const char *debug_filter = NULL;
int pid_fd = -1;
for (i = 1; i < argc; ++i) {
if (strcmp(argv[i], "--help") == 0) {
help = true;
} else if (strcmp(argv[i], "--version") == 0) {
version = true;
} else if (strcmp(argv[i], "--check-config") == 0) {
check_config = true;
} else if (strcmp(argv[i], "--daemon") == 0) {
daemon = true;
} else if (strcmp(argv[i], "--debug") == 0) {
if (i + 1 < argc && strncmp(argv[i + 1], "--", 2) != 0) {
debug_filter = argv[++i];
} else {
debug_filter = "";
}
} else {
fprintf(stderr, "Unknown option '%s'\n\n", argv[i]);
print_usage();
return EXIT_FAILURE;
}
}
if (help) {
print_usage();
return EXIT_SUCCESS;
}
if (version) {
printf("%s\n", VERSION_STRING);
return EXIT_SUCCESS;
}
read_image_version();
_x11_enabled = access("/etc/tf_x11_enabled", F_OK) == 0;
if (prepare_paths() < 0) {
return EXIT_FAILURE;
}
if (check_config) {
return config_check(_config_filename) < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
config_init(_config_filename);
if (config_has_error()) {
fprintf(stderr, "Error(s) occurred while reading config file '%s'",
_config_filename);
goto error_config;
}
log_init();
if (daemon) {
pid_fd = daemon_start(_log_filename, _pid_filename, 1);
} else {
pid_fd = pid_file_acquire(_pid_filename, getpid());
if (pid_fd == PID_FILE_ALREADY_ACQUIRED) {
fprintf(stderr, "Already running according to '%s'\n", _pid_filename);
}
}
if (pid_fd < 0) {
goto error_pid_file;
}
if (daemon && _x11_enabled) {
log_info("RED Brick API Daemon %s started (daemonized, X11 enabled) on %s image",
VERSION_STRING, _image_version);
} else if (daemon) {
log_info("RED Brick API Daemon %s started (daemonized) on %s image",
VERSION_STRING, _image_version);
} else if (_x11_enabled) {
log_info("RED Brick API Daemon %s started (X11 enabled) on %s image",
VERSION_STRING, _image_version);
} else {
log_info("RED Brick API Daemon %s started on %s image",
VERSION_STRING, _image_version);
}
if (debug_filter != NULL) {
log_enable_debug_override(debug_filter);
}
if (config_has_warning()) {
log_warn("Warning(s) in config file '%s', run with --check-config option for details",
_config_filename);
}
if (event_init() < 0) {
goto error_event;
}
if (signal_init(handle_sighup, NULL) < 0) {
goto error_signal;
}
if (process_monitor_init() < 0) {
goto error_process_monitor;
}
if (cron_init() < 0) {
goto error_cron;
}
if (inventory_init() < 0) {
goto error_inventory;
}
if (api_init() < 0) {
goto error_api;
}
if (network_init(_brickd_socket_filename, _cron_socket_filename) < 0) {
goto error_network;
}
if (inventory_load_programs() < 0) {
goto error_load_programs;
}
if (event_run(network_cleanup_brickd_and_socats) < 0) {
goto error_run;
}
exit_code = EXIT_SUCCESS;
error_run:
inventory_unload_programs();
error_load_programs:
network_exit();
error_network:
api_exit();
error_api:
inventory_exit();
error_inventory:
cron_exit();
error_cron:
process_monitor_exit();
error_process_monitor:
signal_exit();
error_signal:
event_exit();
error_event:
log_info("RED Brick API Daemon %s stopped", VERSION_STRING);
error_pid_file:
if (pid_fd >= 0) {
pid_file_release(_pid_filename, pid_fd);
}
log_exit();
error_config:
config_exit();
return exit_code;
}
