kopia lustrzana https://github.com/weetmuts/wmbusmeters
1370 wiersze
46 KiB
C++
1370 wiersze
46 KiB
C++
/*
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Copyright (C) 2017-2020 Fredrik Öhrström
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include"cmdline.h"
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#include"config.h"
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#include"meters.h"
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#include"printer.h"
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#include"rtlsdr.h"
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#include"serial.h"
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#include"shell.h"
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#include"threads.h"
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#include"util.h"
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#include"version.h"
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#include"wmbus.h"
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#include <algorithm>
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#include <errno.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <semaphore.h>
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#include <set>
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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 <sys/stat.h>
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#include <sys/types.h>
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#include <syslog.h>
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#include <unistd.h>
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using namespace std;
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int main(int argc, char **argv);
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void check_if_multiple_wmbus_meters_running();
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void check_for_dead_wmbus_devices(Configuration *config);
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shared_ptr<Meter> create_meter(Configuration *config, MeterType type, MeterInfo *mi, const char *keymsg);
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shared_ptr<Printer> create_printer(Configuration *config);
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shared_ptr<WMBus> create_wmbus_object(Detected *detected, Configuration *config, shared_ptr<SerialCommunicationManager> manager);
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enum class DetectionType { STDIN_FILE_SIMULATION, ALL };
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void detect_and_configure_wmbus_devices(Configuration *config, DetectionType dt);
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SpecifiedDevice *find_specified_device_from_detected(Configuration *c, Detected *d);
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bool find_specified_device_and_update_detected(Configuration *c, Detected *d);
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void find_specified_device_and_mark_as_handled(Configuration *c, Detected *d);
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void list_fields(Configuration *config, string meter_type);
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void list_shell_envs(Configuration *config, string meter_type);
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void list_meters(Configuration *config);
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void log_start_information(Configuration *config);
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void oneshot_check(Configuration *config, Telegram *t, Meter *meter);
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void open_wmbus_device_and_set_linkmodes(Configuration *config, string how, Detected *detected);
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void perform_auto_scan_of_serial_devices(Configuration *config);
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void perform_auto_scan_of_swradio_devices(Configuration *config);
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void regular_checkup(Configuration *config);
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void remove_lost_serial_devices_from_ignore_list(vector<string> &devices);
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void remove_lost_swradio_devices_from_ignore_list(vector<string> &devices);
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bool start(Configuration *config);
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void start_using_config_files(string root, bool is_daemon, string device_override, string listento_override);
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void start_daemon(string pid_file, string device_override, string listento_override); // Will use config files.
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void setup_log_file(Configuration *config);
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void setup_meters(Configuration *config, MeterManager *manager);
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void write_pid(string pid_file, int pid);
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// The serial communication manager takes care of
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// monitoring the file descrtiptors for the ttys,
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// background shells, files and stdin. It also invokes
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// regular callbacks used for monitoring alarms and
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// detecting new devices.
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shared_ptr<SerialCommunicationManager> serial_manager_;
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// Manage registered meters to decode and relay.
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shared_ptr<MeterManager> meter_manager_;
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// Current active set of wmbus devices that can receive telegrams.
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// This can change during runtime, plugging/unplugging wmbus dongles.
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vector<shared_ptr<WMBus>> wmbus_devices_;
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RecursiveMutex wmbus_devices_mutex_("wmbus_devices_mutex");
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#define LOCK_WMBUS_DEVICES(where) WITH(wmbus_devices_mutex_, where)
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// Remember devices that were not detected as wmbus devices.
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// To avoid probing them again and again.
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set<string> not_serial_wmbus_devices_;
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// The software radio devices are always swradio devices
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// but they might not be available for wmbusmeters.
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set<string> not_swradio_wmbus_devices_;
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// When manually supplying stdin or a file, then, after
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// it has been read, do not open it again!
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set<string> do_not_open_file_again_;
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// Store simulation files here.
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set<string> simulation_files_;
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// Rendering the telegrams to json,fields or shell calls is
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// done by the printer.
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shared_ptr<Printer> printer_;
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// Set as true when the warning for no detected wmbus devices has been printed.
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bool printed_warning_ = false;
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// Then check if the rtl_sdr and/or rtl_wmbus is in the path.
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bool rtlsdr_found_ = false;
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bool rtlwmbus_found_ = false;
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int main(int argc, char **argv)
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{
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auto config = parseCommandLine(argc, argv);
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if (config->version)
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{
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printf("wmbusmeters: " VERSION "\n");
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printf(COMMIT "\n");
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exit(0);
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}
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if (config->license)
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{
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const char * license = R"LICENSE(
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Copyright (C) 2017-2020 Fredrik Öhrström
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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You can download the source here: https://github.com/weetmuts/wmbusmeters
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But you can also request the source from the person/company that
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provided you with this binary. Read the full license for all details.
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)LICENSE";
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puts(license);
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exit(0);
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}
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if (config->list_shell_envs)
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{
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list_shell_envs(config.get(), config->list_meter);
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exit(0);
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}
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if (config->list_fields)
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{
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list_fields(config.get(), config->list_meter);
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exit(0);
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}
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if (config->list_meters)
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{
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list_meters(config.get());
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exit(0);
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}
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if (config->need_help)
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{
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printf("wmbusmeters version: " VERSION "\n");
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const char *short_manual =
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#include"short_manual.h"
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puts(short_manual);
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exit(0);
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}
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if (config->daemon)
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{
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start_daemon(config->pid_file, config->device_override, config->listento_override);
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exit(0);
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}
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if (config->useconfig)
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{
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start_using_config_files(config->config_root, false, config->device_override, config->listento_override);
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exit(0);
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}
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else
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{
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// We want the data visible in the log file asap!
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setbuf(stdout, NULL);
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start(config.get());
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exit(0);
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}
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error("(main) internal error\n");
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}
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void check_if_multiple_wmbus_meters_running()
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{
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pid_t my_pid = getpid();
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vector<int> daemons;
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detectProcesses("wmbusmetersd", &daemons);
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for (int i : daemons)
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{
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if (i != my_pid)
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{
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info("Notice! Wmbusmeters daemon (pid %d) is running and it might hog any wmbus devices.\n", i);
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}
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}
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vector<int> processes;
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detectProcesses("wmbusmeters", &processes);
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for (int i : processes)
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{
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if (i != my_pid)
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{
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info("Notice! Other wmbusmeters (pid %d) is running and it might hog any wmbus devices.\n", i);
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}
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}
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}
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void check_for_dead_wmbus_devices(Configuration *config)
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{
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LOCK_WMBUS_DEVICES(check_for_wmbus_devices);
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trace("[MAIN] checking for dead wmbus devices...\n");
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vector<WMBus*> not_working;
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for (auto &w : wmbus_devices_)
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{
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if (!w->isWorking())
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{
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not_working.push_back(w.get());
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string id = w->getDeviceId();
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if (id != "") id = "["+id+"]";
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notice("Lost %s closing %s%s\n",
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w->device().c_str(),
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toLowerCaseString(w->type()),
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id.c_str());
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w->close();
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}
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}
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for (auto w : not_working)
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{
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auto i = wmbus_devices_.begin();
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while (i != wmbus_devices_.end())
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{
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if (w == (*i).get())
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{
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// The erased shared_ptr will delete the WMBus object.
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wmbus_devices_.erase(i);
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break;
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}
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i++;
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}
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}
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if (wmbus_devices_.size() == 0)
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{
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if (config->single_device_override)
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{
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if (!config->simulation_found)
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{
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// Expect stdin/file to work.
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// Simulation is special since it will self stop the serial manager.
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serial_manager_->expectDevicesToWork();
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}
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}
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else
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{
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if (config->nodeviceexit)
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{
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if (!printed_warning_)
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{
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notice("No wmbus device detected. Exiting!\n");
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serial_manager_->stop();
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printed_warning_ = true;
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}
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}
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else
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{
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if (!printed_warning_)
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{
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info("No wmbus device detected, waiting for a device to be plugged in.\n");
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check_if_multiple_wmbus_meters_running();
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printed_warning_ = true;
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}
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}
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}
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}
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else
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{
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printed_warning_ = false;
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}
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}
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shared_ptr<Meter> create_meter(Configuration *config, MeterType type, MeterInfo *mi, const char *keymsg)
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{
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shared_ptr<Meter> newm;
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switch (type)
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{
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#define X(mname,link,info,type,cname) \
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case MeterType::type: \
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{ \
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newm = create##cname(*mi); \
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newm->addConversions(config->conversions); \
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verbose("(main) configured \"%s\" \"" #mname "\" \"%s\" %s\n", \
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mi->name.c_str(), mi->id.c_str(), keymsg); \
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return newm; \
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} \
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break;
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LIST_OF_METERS
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#undef X
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case MeterType::UNKNOWN:
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error("No such meter type \"%s\"\n", mi->type.c_str());
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break;
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}
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return newm;
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}
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shared_ptr<WMBus> create_wmbus_object(Detected *detected, Configuration *config,
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shared_ptr<SerialCommunicationManager> manager)
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{
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shared_ptr<WMBus> wmbus;
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shared_ptr<SerialDevice> serial_override;
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if (detected->found_tty_override)
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{
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serial_override = manager->createSerialDeviceFile(detected->specified_device.file,
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string("override ")+detected->specified_device.file.c_str());
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verbose("(serial) override with devicefile: %s\n", detected->specified_device.file.c_str());
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}
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switch (detected->found_type)
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{
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case DEVICE_AUTO:
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assert(0);
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error("Internal error DEVICE_AUTO should not be used here!\n");
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break;
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case DEVICE_IM871A:
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verbose("(im871a) on %s\n", detected->found_file.c_str());
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wmbus = openIM871A(detected->found_file, manager, serial_override);
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break;
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case DEVICE_AMB8465:
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verbose("(amb8465) on %s\n", detected->found_file.c_str());
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wmbus = openAMB8465(detected->found_file, manager, serial_override);
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break;
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case DEVICE_SIMULATION:
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verbose("(simulation) in %s\n", detected->found_file.c_str());
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wmbus = openSimulator(detected->found_file, manager, serial_override);
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break;
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case DEVICE_RAWTTY:
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verbose("(rawtty) on %s\n", detected->found_file.c_str());
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wmbus = openRawTTY(detected->found_file, detected->found_bps, manager, serial_override);
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break;
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case DEVICE_RTLWMBUS:
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{
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string command;
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string identifier = detected->found_device_id;
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int id = 0;
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if (!detected->found_tty_override)
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{
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id = indexFromRtlSdrSerial(identifier);
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command = "";
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if (detected->found_command != "")
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{
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command = detected->found_command;
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identifier = "cmd_"+to_string(detected->specified_device.index);
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}
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string freq = "868.95M";
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if (detected->specified_device.fq != "")
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{
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freq = detected->specified_device.fq;
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}
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string prefix = "";
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if (config->daemon)
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{
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prefix = "/usr/bin/";
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if (command == "")
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{
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// Default command is used, check that the binaries are in place.
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if (!checkFileExists("/usr/bin/rtl_sdr"))
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{
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error("(rtlwmbus) error: when starting as daemon, wmbusmeters expects /usr/bin/rtl_sdr to exist!\n");
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}
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if (!checkFileExists("/usr/bin/rtl_wmbus"))
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{
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error("(rtlwmbus) error: when starting as daemon, wmbusmeters expects /usr/bin/rtl_wmbus to exist!\n");
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}
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}
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}
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if (command == "") {
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command = prefix+"rtl_sdr -d "+to_string(id)+" -f "+freq+" -s 1.6e6 - 2>/dev/null | "+prefix+"rtl_wmbus";
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}
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verbose("(rtlwmbus) using command: %s\n", command.c_str());
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}
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wmbus = openRTLWMBUS(identifier, command, manager,
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[command](){
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warning("(rtlwmbus) child process exited! "
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"Command was: \"%s\"\n", command.c_str());
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},
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serial_override);
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break;
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}
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case DEVICE_RTL433:
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{
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string command;
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string identifier = detected->found_file;
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int id = 0;
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if (!detected->found_tty_override)
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{
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id = indexFromRtlSdrName(identifier);
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command = "";
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if (detected->specified_device.command != "")
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{
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command = detected->specified_device.command;
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identifier = "cmd_"+to_string(detected->specified_device.index);
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}
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string freq = "868.95M";
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if (detected->specified_device.fq != "")
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{
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freq = detected->specified_device.fq;
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}
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string prefix = "";
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if (config->daemon) {
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prefix = "/usr/bin/";
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if (command == "")
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{
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// Default command is used, check that the binaries are in place.
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if (!checkFileExists("/usr/bin/rtl_433"))
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{
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error("(rtl433) error: when starting as daemon, wmbusmeters expects /usr/bin/rtl_433 to exist!\n");
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}
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}
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}
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if (command == "") {
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command = prefix+"rtl_433 -d "+to_string(id)+" -F csv -f "+freq;
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}
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verbose("(rtl433) using command: %s\n", command.c_str());
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}
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wmbus = openRTL433(identifier, command, manager,
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[command](){
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warning("(rtl433) child process exited! "
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"Command was: \"%s\"\n", command.c_str());
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},
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serial_override);
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break;
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}
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case DEVICE_CUL:
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{
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verbose("(cul) on %s\n", detected->found_file.c_str());
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wmbus = openCUL(detected->found_file, manager, serial_override);
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break;
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}
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case DEVICE_RC1180:
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{
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verbose("(rc1180) on %s\n", detected->found_file.c_str());
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wmbus = openRC1180(detected->found_file, manager, serial_override);
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break;
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}
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case DEVICE_UNKNOWN:
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warning("(main) internal error! cannot create an unknown device! exiting!\n");
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if (config->daemon) {
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// If starting as a daemon, wait a bit so that systemd have time to catch up.
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sleep(1);
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}
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exit(1);
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break;
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}
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if (detected->found_device_id != "" && !detected->found_tty_override)
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{
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string did = wmbus->getDeviceId();
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if (did != detected->found_device_id && detected->found_type != DEVICE_RTLWMBUS)
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{
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warning("Not the expected dongle (dongle said %s, you said %s!\n", did.c_str(), detected->found_device_id.c_str());
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return NULL;
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}
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}
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wmbus->setDetected(*detected);
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return wmbus;
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}
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shared_ptr<Printer> create_printer(Configuration *config)
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{
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return shared_ptr<Printer>(new Printer(config->json, config->fields,
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config->separator, config->meterfiles, config->meterfiles_dir,
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config->use_logfile, config->logfile,
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config->telegram_shells,
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config->meterfiles_action == MeterFileType::Overwrite,
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config->meterfiles_naming,
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config->meterfiles_timestamp));
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}
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|
|
void detect_and_configure_wmbus_devices(Configuration *config, DetectionType dt)
|
|
{
|
|
check_for_dead_wmbus_devices(config);
|
|
|
|
bool must_auto_find_ttys = false;
|
|
bool must_auto_find_rtlsdrs = false;
|
|
|
|
// The device=auto has been specified....
|
|
if (config->use_auto_device_detect && dt == DetectionType::ALL)
|
|
{
|
|
must_auto_find_ttys = true;
|
|
must_auto_find_rtlsdrs = true;
|
|
}
|
|
|
|
for (SpecifiedDevice &specified_device : config->supplied_wmbus_devices)
|
|
{
|
|
specified_device.handled = false;
|
|
if (dt != DetectionType::ALL)
|
|
{
|
|
if (specified_device.is_tty || (!specified_device.is_stdin && !specified_device.is_file && !specified_device.is_simulation))
|
|
{
|
|
// The event loop has not yet started and this is not stdin nor a file, nor a simulation file.
|
|
// Therefore, do not try to detect it yet!
|
|
continue;
|
|
}
|
|
}
|
|
if (specified_device.file == "" && specified_device.command == "")
|
|
{
|
|
// File/tty/command not specified, use auto scan later to find actual device file/tty.
|
|
must_auto_find_ttys |= usesTTY(specified_device.type);
|
|
must_auto_find_rtlsdrs |= usesRTLSDR(specified_device.type);
|
|
continue;
|
|
}
|
|
if (specified_device.command != "")
|
|
{
|
|
string identifier = "cmd_"+to_string(specified_device.index);
|
|
shared_ptr<SerialDevice> sd = serial_manager_->lookup(identifier);
|
|
if (sd != NULL)
|
|
{
|
|
trace("(main) command %s already configured\n", identifier.c_str());
|
|
specified_device.handled = true;
|
|
continue;
|
|
}
|
|
Detected detected = detectWMBusDeviceWithCommand(specified_device, config->default_device_linkmodes, serial_manager_);
|
|
specified_device.handled = true;
|
|
open_wmbus_device_and_set_linkmodes(config, "config", &detected);
|
|
}
|
|
if (specified_device.file != "")
|
|
{
|
|
shared_ptr<SerialDevice> sd = serial_manager_->lookup(specified_device.file);
|
|
if (sd != NULL)
|
|
{
|
|
trace("(main) %s already configured\n", sd->device().c_str());
|
|
specified_device.handled = true;
|
|
continue;
|
|
}
|
|
if (simulation_files_.count(specified_device.file) > 0)
|
|
{
|
|
debug("(main) %s already configured as simulation\n", specified_device.file.c_str());
|
|
specified_device.handled = true;
|
|
continue;
|
|
}
|
|
if (do_not_open_file_again_.count(specified_device.file) > 0)
|
|
{
|
|
// This was stdin/file, it should only be opened once.
|
|
trace("[MAIN] ignoring handled file %s\n", specified_device.file.c_str());
|
|
specified_device.handled = true;
|
|
continue;
|
|
}
|
|
|
|
if (not_serial_wmbus_devices_.count(specified_device.file) > 0)
|
|
{
|
|
// Enumerate all serial devices that might connect to a wmbus device.
|
|
vector<string> ttys = serial_manager_->listSerialTTYs();
|
|
// Did a non-wmbus-device get unplugged? Then remove it from the known-not-wmbus-device set.
|
|
remove_lost_serial_devices_from_ignore_list(ttys);
|
|
if (not_serial_wmbus_devices_.count(specified_device.file) > 0)
|
|
{
|
|
trace("[MAIN] ignoring failed file %s\n", specified_device.file.c_str());
|
|
specified_device.handled = true;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (!checkCharacterDeviceExists(specified_device.file.c_str(), false) &&
|
|
!checkFileExists(specified_device.file.c_str()) &&
|
|
specified_device.file != "stdin")
|
|
{
|
|
trace("Cannot open %s, no such device.\n", specified_device.file.c_str(),
|
|
specified_device.str().c_str());
|
|
continue;
|
|
}
|
|
|
|
Detected detected = detectWMBusDeviceWithFile(specified_device, config->default_device_linkmodes, serial_manager_);
|
|
|
|
if (detected.found_type == DEVICE_UNKNOWN)
|
|
{
|
|
if (checkCharacterDeviceExists(specified_device.file.c_str(), false))
|
|
{
|
|
// Yes, this device actually exists, there is a need to ignore it.
|
|
not_serial_wmbus_devices_.insert(specified_device.file);
|
|
}
|
|
}
|
|
|
|
if (detected.specified_device.is_stdin || detected.specified_device.is_file || detected.specified_device.is_simulation)
|
|
{
|
|
// Only read stdin and files once!
|
|
do_not_open_file_again_.insert(specified_device.file);
|
|
}
|
|
open_wmbus_device_and_set_linkmodes(config, "config", &detected);
|
|
}
|
|
|
|
specified_device.handled = true;
|
|
}
|
|
|
|
if (must_auto_find_ttys)
|
|
{
|
|
perform_auto_scan_of_serial_devices(config);
|
|
}
|
|
|
|
if (must_auto_find_rtlsdrs)
|
|
{
|
|
perform_auto_scan_of_swradio_devices(config);
|
|
}
|
|
|
|
for (shared_ptr<WMBus> &wmbus : wmbus_devices_)
|
|
{
|
|
assert(wmbus->getDetected() != NULL);
|
|
find_specified_device_and_mark_as_handled(config, wmbus->getDetected());
|
|
}
|
|
|
|
for (SpecifiedDevice &specified_device : config->supplied_wmbus_devices)
|
|
{
|
|
if (dt == DetectionType::ALL && !specified_device.handled)
|
|
{
|
|
time_t last_alarm = specified_device.last_alarm;
|
|
time_t now = time(NULL);
|
|
|
|
// If the device is missing, warn once per minute.
|
|
if (now - last_alarm > 60)
|
|
{
|
|
specified_device.last_alarm = now;
|
|
string device = specified_device.str();
|
|
string info = tostrprintf("the device %s is not working", device.c_str());
|
|
logAlarm(Alarm::SpecifiedDeviceNotFound, info);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
SpecifiedDevice *find_specified_device_from_detected(Configuration *c, Detected *d)
|
|
{
|
|
// Iterate over the supplied devices and look for an exact type+id match.
|
|
// This will find specified devices like: im871a[12345678]
|
|
for (SpecifiedDevice & sd : c->supplied_wmbus_devices)
|
|
{
|
|
if (sd.file == "" && sd.id != "" && sd.id == d->found_device_id && sd.type == d->found_type)
|
|
{
|
|
return &sd;
|
|
}
|
|
}
|
|
|
|
// Iterate over the supplied devices and look for a type match.
|
|
// This will find specified devices like: im871a, rtlwmbus
|
|
for (SpecifiedDevice & sd : c->supplied_wmbus_devices)
|
|
{
|
|
if (sd.file == "" && sd.id == "" && sd.type == d->found_type)
|
|
{
|
|
return &sd;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
bool find_specified_device_and_update_detected(Configuration *c, Detected *d)
|
|
{
|
|
SpecifiedDevice *sd = find_specified_device_from_detected(c, d);
|
|
|
|
if (sd)
|
|
{
|
|
d->specified_device = *sd;
|
|
debug("(main) found specified device (%s) that matches detected device (%s)\n",
|
|
sd->str().c_str(),
|
|
d->str().c_str());
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void find_specified_device_and_mark_as_handled(Configuration *c, Detected *d)
|
|
{
|
|
SpecifiedDevice *sd = find_specified_device_from_detected(c, d);
|
|
|
|
if (sd)
|
|
{
|
|
sd->handled = true;
|
|
}
|
|
}
|
|
|
|
void list_shell_envs(Configuration *config, string meter_type)
|
|
{
|
|
string ignore1, ignore2, ignore3;
|
|
vector<string> envs;
|
|
Telegram t;
|
|
MeterInfo mi;
|
|
shared_ptr<Meter> meter = create_meter(config, toMeterType(meter_type), &mi, "");
|
|
meter->printMeter(&t,
|
|
&ignore1,
|
|
&ignore2, config->separator,
|
|
&ignore3,
|
|
&envs,
|
|
&config->jsons,
|
|
&config->selected_fields);
|
|
|
|
for (auto &e : envs)
|
|
{
|
|
int p = e.find('=');
|
|
string key = e.substr(0,p);
|
|
printf("%s\n", key.c_str());
|
|
}
|
|
}
|
|
|
|
void list_fields(Configuration *config, string meter_type)
|
|
{
|
|
MeterInfo mi;
|
|
shared_ptr<Meter> meter = create_meter(config, toMeterType(meter_type), &mi, "");
|
|
|
|
int width = 0;
|
|
for (auto &p : meter->prints())
|
|
{
|
|
if ((int)p.field_name.size() > width) width = p.field_name.size();
|
|
}
|
|
|
|
string id = padLeft("id", width);
|
|
printf("%s The meter id number.\n", id.c_str());
|
|
string name = padLeft("name", width);
|
|
printf("%s Your name for the meter.\n", name.c_str());
|
|
string media = padLeft("media", width);
|
|
printf("%s What does the meter measure?\n", media.c_str());
|
|
string meterr = padLeft("meter", width);
|
|
printf("%s Meter driver.\n", meterr.c_str());
|
|
string timestamp = padLeft("timestamp", width);
|
|
printf("%s Timestamp when wmbusmeters received the telegram.\n", timestamp.c_str());
|
|
string device = padLeft("device", width);
|
|
printf("%s The wmbus device that received the telegram.\n", device.c_str());
|
|
string rssi = padLeft("rssi_dbm", width);
|
|
printf("%s The rssi for the received telegram as reported by the device.\n", rssi.c_str());
|
|
for (auto &p : meter->prints())
|
|
{
|
|
if (p.vname == "") continue;
|
|
string fn = padLeft(p.field_name, width);
|
|
printf("%s %s\n", fn.c_str(), p.help.c_str());
|
|
}
|
|
}
|
|
|
|
void list_meters(Configuration *config)
|
|
{
|
|
#define X(mname,link,info,type,cname) \
|
|
if (config->list_meters_search == "" || \
|
|
stringFoundCaseIgnored(#info, config->list_meters_search) || \
|
|
stringFoundCaseIgnored(#mname, config->list_meters_search)) \
|
|
printf("%-14s %s\n", #mname, #info);
|
|
LIST_OF_METERS
|
|
#undef X
|
|
}
|
|
|
|
void log_start_information(Configuration *config)
|
|
{
|
|
verbose("(wmbusmeters) version: " VERSION "\n");
|
|
|
|
if (config->exitafter != 0) {
|
|
verbose("(config) wmbusmeters will exit after %d seconds\n", config->exitafter);
|
|
}
|
|
|
|
if (config->meterfiles) {
|
|
verbose("(config) store meter files in: \"%s\"\n", config->meterfiles_dir.c_str());
|
|
}
|
|
|
|
for (SpecifiedDevice &specified_device : config->supplied_wmbus_devices)
|
|
{
|
|
verbose("(config) using device: %s \n", specified_device.str().c_str());
|
|
}
|
|
verbose("(config) number of meters: %d\n", config->meters.size());
|
|
}
|
|
|
|
void oneshot_check(Configuration *config, Telegram *t, Meter *meter)
|
|
{
|
|
if (!config->oneshot) return;
|
|
|
|
if (meter_manager_->hasAllMetersReceivedATelegram())
|
|
{
|
|
// All meters have received at least one update! Stop!
|
|
verbose("(main) all meters have received at least one update, stopping.\n");
|
|
serial_manager_->stop();
|
|
}
|
|
}
|
|
|
|
void open_wmbus_device_and_set_linkmodes(Configuration *config, string how, Detected *detected)
|
|
{
|
|
if (detected->found_type == WMBusDeviceType::DEVICE_UNKNOWN)
|
|
{
|
|
debug("(verbose) ignoring device %s\n", detected->specified_device.str().c_str());
|
|
return;
|
|
}
|
|
|
|
LOCK_WMBUS_DEVICES(open_wmbus_device);
|
|
|
|
debug("(main) opening %s\n", detected->specified_device.str().c_str());
|
|
|
|
/* if (detected->found_type == DEVICE_UNKNOWN)
|
|
{
|
|
// This is a manual config, lets detect and check the device properly.
|
|
AccessCheck ac = reDetectDevice(detected, serial_manager_);
|
|
if (ac != AccessCheck::AccessOK)
|
|
{
|
|
error("Could not open device %s\n", detected->specified_device.str().c_str());
|
|
}
|
|
}
|
|
*/
|
|
LinkModeSet lms = detected->specified_device.linkmodes;
|
|
if (lms.empty())
|
|
{
|
|
if (config->use_auto_device_detect)
|
|
{
|
|
lms = config->auto_device_linkmodes;
|
|
}
|
|
if (lms.empty())
|
|
{
|
|
lms = config->default_device_linkmodes;
|
|
}
|
|
}
|
|
string using_link_modes = lms.hr();
|
|
|
|
string id = detected->found_device_id.c_str();
|
|
if (id != "") id = "["+id+"]";
|
|
string fq = detected->specified_device.fq;
|
|
if (fq != "") fq = " using fq "+fq;
|
|
string file = detected->found_file.c_str();
|
|
if (file != "") file = " on "+file;
|
|
string cmd = detected->found_command.c_str();
|
|
if (cmd != "")
|
|
{
|
|
cmd = " using CMD("+cmd+")";
|
|
}
|
|
|
|
string started = tostrprintf("Started %s %s%s%s listening on %s%s%s\n",
|
|
how.c_str(),
|
|
toLowerCaseString(detected->found_type),
|
|
id.c_str(),
|
|
file.c_str(),
|
|
using_link_modes.c_str(),
|
|
fq.c_str(),
|
|
cmd.c_str());
|
|
|
|
// A newly plugged in device has been manually configured or automatically detected! Start using it!
|
|
if (config->use_auto_device_detect || detected->found_type != DEVICE_SIMULATION)
|
|
{
|
|
notice("%s", started.c_str());
|
|
}
|
|
else
|
|
{
|
|
// Hide the started when running simulations.
|
|
verbose("%s", started.c_str());
|
|
}
|
|
|
|
shared_ptr<WMBus> wmbus = create_wmbus_object(detected, config, serial_manager_);
|
|
if (wmbus == NULL) return;
|
|
wmbus_devices_.push_back(wmbus);
|
|
|
|
// By default, reset your dongle once every 23 hours,
|
|
// so that the reset is not at the exact same time every day.
|
|
int regular_reset = 23*3600;
|
|
if (config->resetafter != 0) regular_reset = config->resetafter;
|
|
wmbus->setResetInterval(regular_reset);
|
|
verbose("(main) regular reset of %s %s%s will happen every %d seconds\n",
|
|
toString(detected->found_type), file.c_str(), cmd.c_str(), regular_reset);
|
|
|
|
if (wmbus->canSetLinkModes(lms))
|
|
{
|
|
wmbus->setLinkModes(lms);
|
|
}
|
|
else
|
|
{
|
|
warning("Warning! Desired link modes %s cannot be set for device %s\n",
|
|
lms.hr().c_str(), wmbus->hr().c_str());
|
|
}
|
|
/*
|
|
LinkModeCalculationResult lmcr = calculateLinkModes(config, wmbus.get(), link_modes_matter);
|
|
if (lmcr.type != LinkModeCalculationResultType::Success)
|
|
{
|
|
error("%s\n", lmcr.msg.c_str());
|
|
}*/
|
|
|
|
bool simulated = false;
|
|
if (detected->found_type == DEVICE_SIMULATION)
|
|
{
|
|
simulated = true;
|
|
debug("(main) added %s to files\n", detected->found_file.c_str());
|
|
simulation_files_.insert(detected->specified_device.file);
|
|
}
|
|
wmbus->onTelegram([&, simulated](AboutTelegram &about,vector<uchar> data){return meter_manager_->handleTelegram(about, data, simulated);});
|
|
wmbus->setTimeout(config->alarm_timeout, config->alarm_expected_activity);
|
|
}
|
|
|
|
void perform_auto_scan_of_serial_devices(Configuration *config)
|
|
{
|
|
// Enumerate all serial devices that might connect to a wmbus device.
|
|
vector<string> ttys = serial_manager_->listSerialTTYs();
|
|
|
|
// Did a non-wmbus-device get unplugged? Then remove it from the known-not-wmbus-device set.
|
|
remove_lost_serial_devices_from_ignore_list(ttys);
|
|
|
|
for (string& tty : ttys)
|
|
{
|
|
trace("[MAIN] serial device %s\n", tty.c_str());
|
|
if (not_serial_wmbus_devices_.count(tty) > 0)
|
|
{
|
|
trace("[MAIN] skipping already probed not wmbus serial device %s\n", tty.c_str());
|
|
continue;
|
|
}
|
|
if (config->do_not_probe_ttys.count("all") > 0 ||
|
|
config->do_not_probe_ttys.count(tty) > 0)
|
|
{
|
|
trace("[MAIN] not probing forbidden tty %s\n", tty.c_str());
|
|
continue;
|
|
}
|
|
shared_ptr<SerialDevice> sd = serial_manager_->lookup(tty);
|
|
if (!sd)
|
|
{
|
|
// This serial device is not in use, but is there a device on it?
|
|
debug("(main) device %s not currently used, detect contents...\n", tty.c_str());
|
|
|
|
// What should the desired linkmodes be? We have no specified device since this an auto detect.
|
|
// But we might have an auto linkmodes?
|
|
LinkModeSet desired_linkmodes = config->auto_device_linkmodes;
|
|
if (desired_linkmodes.empty())
|
|
{
|
|
// Nope, lets fall back on the default_linkmodes.
|
|
desired_linkmodes = config->default_device_linkmodes;
|
|
}
|
|
Detected detected = detectWMBusDeviceOnTTY(tty, desired_linkmodes, serial_manager_);
|
|
if (detected.found_type != DEVICE_UNKNOWN)
|
|
{
|
|
// See if we had a specified device without a file,
|
|
// that matches this detected device.
|
|
bool found = find_specified_device_and_update_detected(config, &detected);
|
|
if (config->use_auto_device_detect || found)
|
|
{
|
|
// Open the device, only if auto is enabled, or if the device was specified.
|
|
open_wmbus_device_and_set_linkmodes(config, found?"config":"auto", &detected);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// This serial device was something that we could not recognize.
|
|
// A modem, an android phone, a teletype Model 33, etc....
|
|
// Mark this serial device as unknown, to avoid repeated detection attempts.
|
|
not_serial_wmbus_devices_.insert(tty);
|
|
verbose("(main) ignoring %s, it does not respond as any of the supported wmbus devices.\n", tty.c_str());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void perform_auto_scan_of_swradio_devices(Configuration *config)
|
|
{
|
|
// Enumerate all swradio devices, that can be used.
|
|
vector<string> serialnrs = listRtlSdrDevices();
|
|
|
|
if (serialnrs.size() > 0)
|
|
{
|
|
if (!rtlsdr_found_ || !rtlwmbus_found_)
|
|
{
|
|
rtlsdr_found_ = check_if_rtlsdr_exists_in_path();
|
|
rtlwmbus_found_ = check_if_rtlwmbus_exists_in_path();
|
|
}
|
|
if (!rtlsdr_found_)
|
|
{
|
|
warning("Warning! Auto scan has found an rtl_sdr dongle, but you have no rtl_sdr in the path!\n");
|
|
}
|
|
if (!rtlwmbus_found_)
|
|
{
|
|
warning("Warning! Auto scan has found an rtl_sdr dongle, but you have no rtl_wmbus in the path!\n");
|
|
}
|
|
}
|
|
|
|
// We are missing rtl_sdr and/or rtl_wmbus, stop here.
|
|
if (!rtlsdr_found_ || !rtlwmbus_found_) return;
|
|
|
|
// Did an unavailable swradio-device get unplugged? Then remove it from the known-not-swradio-device set.
|
|
remove_lost_swradio_devices_from_ignore_list(serialnrs);
|
|
|
|
for (string& serialnr : serialnrs)
|
|
{
|
|
trace("[MAIN] rtlsdr device %s\n", serialnr.c_str());
|
|
if (not_swradio_wmbus_devices_.count(serialnr) > 0)
|
|
{
|
|
trace("[MAIN] skipping already probed rtlsdr %s\n", serialnr.c_str());
|
|
continue;
|
|
}
|
|
shared_ptr<SerialDevice> sd = serial_manager_->lookup(serialnr);
|
|
if (!sd)
|
|
{
|
|
debug("(main) rtlsdr device %s not currently used.\n", serialnr.c_str());
|
|
Detected detected;
|
|
detected.specified_device.type = WMBusDeviceType::DEVICE_RTLWMBUS;
|
|
AccessCheck ac = detectRTLSDR(serialnr, &detected);
|
|
if (ac != AccessCheck::AccessOK)
|
|
{
|
|
// We cannot access this swradio device.
|
|
not_swradio_wmbus_devices_.insert(serialnr);
|
|
verbose("(main) ignoring rtlsdr %s since it is unavailable.\n", serialnr.c_str());
|
|
}
|
|
else
|
|
{
|
|
// Use the serialnr as the id.
|
|
detected.found_device_id = serialnr;
|
|
bool found = find_specified_device_and_update_detected(config, &detected);
|
|
if (config->use_auto_device_detect || found)
|
|
{
|
|
// Open the device, only if auto is enabled, or if the device was specified.
|
|
open_wmbus_device_and_set_linkmodes(config, found?"config":"auto", &detected);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
time_t last_info_print_ = 0;
|
|
|
|
void regular_checkup(Configuration *config)
|
|
{
|
|
if (config->daemon)
|
|
{
|
|
time_t now = time(NULL);
|
|
if (now - last_info_print_ > 3600*24)
|
|
{
|
|
last_info_print_= now;
|
|
size_t peak_rss = getPeakRSS();
|
|
size_t curr_rss = getCurrentRSS();
|
|
string prss = humanReadableTwoDecimals(peak_rss);
|
|
|
|
// Log memory usage once per day.
|
|
notice("(memory) rss %zu peak %s\n", curr_rss, prss.c_str());
|
|
}
|
|
}
|
|
|
|
if (serial_manager_ && config)
|
|
{
|
|
detect_and_configure_wmbus_devices(config, DetectionType::ALL);
|
|
}
|
|
|
|
{
|
|
LOCK_WMBUS_DEVICES(regular_checkup);
|
|
|
|
for (auto &w : wmbus_devices_)
|
|
{
|
|
if (w->isWorking())
|
|
{
|
|
w->checkStatus();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void remove_lost_serial_devices_from_ignore_list(vector<string> &devices)
|
|
{
|
|
vector<string> to_be_removed;
|
|
|
|
// Iterate over the devices known to NOT be wmbus devices.
|
|
for (const string& nots : not_serial_wmbus_devices_)
|
|
{
|
|
auto i = std::find(devices.begin(), devices.end(), nots);
|
|
if (i == devices.end())
|
|
{
|
|
// The device has been removed, therefore
|
|
// we have to forget that the device was not a wmbus device.
|
|
// Since next time someone plugs in a device, it might be a different
|
|
// one getting the same /dev/ttyUSBxx
|
|
to_be_removed.push_back(nots);
|
|
}
|
|
}
|
|
|
|
for (string& r : to_be_removed)
|
|
{
|
|
not_serial_wmbus_devices_.erase(r);
|
|
}
|
|
}
|
|
|
|
void remove_lost_swradio_devices_from_ignore_list(vector<string> &devices)
|
|
{
|
|
vector<string> to_be_removed;
|
|
|
|
// Iterate over the devices known to NOT be wmbus devices.
|
|
for (const string& nots : not_swradio_wmbus_devices_)
|
|
{
|
|
auto i = std::find(devices.begin(), devices.end(), nots);
|
|
if (i == devices.end())
|
|
{
|
|
// The device has been removed, therefore
|
|
// we have to forget that the device was not a wmbus device.
|
|
// Since next time someone plugs in a device, it might be a different
|
|
// one getting the same /dev/ttyUSBxx
|
|
to_be_removed.push_back(nots);
|
|
}
|
|
}
|
|
|
|
for (string& r : to_be_removed)
|
|
{
|
|
not_swradio_wmbus_devices_.erase(r);
|
|
}
|
|
}
|
|
|
|
void setup_log_file(Configuration *config)
|
|
{
|
|
if (config->use_logfile)
|
|
{
|
|
verbose("(wmbusmeters) using log file %s\n", config->logfile.c_str());
|
|
bool ok = enableLogfile(config->logfile, config->daemon);
|
|
if (!ok) {
|
|
if (config->daemon) {
|
|
warning("Could not open log file, will use syslog instead.\n");
|
|
} else {
|
|
error("Could not open log file.\n");
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
disableLogfile();
|
|
}
|
|
}
|
|
|
|
void setup_meters(Configuration *config, MeterManager *manager)
|
|
{
|
|
for (auto &m : config->meters)
|
|
{
|
|
const char *keymsg = (m.key[0] == 0) ? "not-encrypted" : "encrypted";
|
|
auto meter = create_meter(config, toMeterType(m.type), &m, keymsg);
|
|
manager->addMeter(meter);
|
|
}
|
|
}
|
|
|
|
bool start(Configuration *config)
|
|
{
|
|
// Configure where the logging information should end up.
|
|
setup_log_file(config);
|
|
|
|
if (config->meters.size() == 0 && config->all_device_linkmodes_specified.empty())
|
|
{
|
|
error("No meters supplied. You must supply which link modes to listen to. 11 Eg. auto:c1\n");
|
|
}
|
|
|
|
// Configure settings.
|
|
silentLogging(config->silent);
|
|
verboseEnabled(config->verbose);
|
|
logTelegramsEnabled(config->logtelegrams);
|
|
debugEnabled(config->debug);
|
|
internalTestingEnabled(config->internaltesting);
|
|
traceEnabled(config->trace);
|
|
stderrEnabled(config->use_stderr_for_log);
|
|
setAlarmShells(config->alarm_shells);
|
|
setIgnoreDuplicateTelegrams(config->ignore_duplicate_telegrams);
|
|
|
|
log_start_information(config);
|
|
|
|
// Create the manager monitoring all filedescriptors and invoking callbacks.
|
|
serial_manager_ = createSerialCommunicationManager(config->exitafter, true);
|
|
// If our software unexpectedly exits, then stop the manager, to try
|
|
// to achive a nice shutdown.
|
|
onExit(call(serial_manager_.get(),stop));
|
|
|
|
// Create the printer object that knows how to translate
|
|
// telegrams into json, fields that are written into log files
|
|
// or sent to shell invocations.
|
|
printer_ = create_printer(config);
|
|
|
|
meter_manager_ = createMeterManager();
|
|
|
|
// Create the Meter objects from the configuration.
|
|
setup_meters(config, meter_manager_.get());
|
|
|
|
// Attach a received-telegram-callback from the meter and
|
|
// attach it to the printer.
|
|
meter_manager_->forEachMeter(
|
|
[&](Meter *meter)
|
|
{
|
|
meter->onUpdate([&](Telegram *t,Meter *meter)
|
|
{
|
|
printer_->print(t, meter, &config->jsons, &config->selected_fields);
|
|
oneshot_check(config, t, meter);
|
|
});
|
|
}
|
|
);
|
|
|
|
// Detect and initialize any devices.
|
|
// Future changes are triggered through this callback.
|
|
printed_warning_ = true;
|
|
|
|
detect_and_configure_wmbus_devices(config, DetectionType::STDIN_FILE_SIMULATION);
|
|
|
|
serial_manager_->startEventLoop();
|
|
detect_and_configure_wmbus_devices(config, DetectionType::ALL);
|
|
|
|
if (wmbus_devices_.size() == 0)
|
|
{
|
|
if (config->nodeviceexit)
|
|
{
|
|
notice("No wmbus device detected. Exiting!\n");
|
|
serial_manager_->stop();
|
|
}
|
|
else
|
|
{
|
|
notice("No wmbus device detected, waiting for a device to be plugged in.\n");
|
|
check_if_multiple_wmbus_meters_running();
|
|
}
|
|
}
|
|
|
|
// Every 2 seconds detect any plugged in or removed wmbus devices.
|
|
serial_manager_->startRegularCallback("HOT_PLUG_DETECTOR",
|
|
2,
|
|
[&](){
|
|
regular_checkup(config);
|
|
});
|
|
|
|
if (config->daemon)
|
|
{
|
|
notice("(wmbusmeters) waiting for telegrams\n");
|
|
}
|
|
|
|
if (!meter_manager_->hasMeters() && serial_manager_->isRunning())
|
|
{
|
|
notice("No meters configured. Printing id:s of all telegrams heard!\n");
|
|
|
|
meter_manager_->onTelegram([](AboutTelegram &about, vector<uchar> frame) {
|
|
Telegram t;
|
|
t.about = about;
|
|
MeterKeys mk;
|
|
t.parse(frame, &mk, false); // Try a best effort parse, do not print any warnings.
|
|
t.print();
|
|
t.explainParse("(wmbus)",0);
|
|
logTelegram(t.original, t.frame, 0, 0);
|
|
return true;
|
|
});
|
|
}
|
|
|
|
for (auto &w : wmbus_devices_)
|
|
{
|
|
// Real devices do nothing, but the simulator device will simulate.
|
|
w->simulate();
|
|
}
|
|
|
|
// This thread now sleeps waiting for the serial communication manager to stop.
|
|
// The manager has already started one thread that performs select and then callbacks
|
|
// to decoding the telegrams, finally invoking the printer.
|
|
// The regular callback invoked to detect changes in the wmbus devices and
|
|
// the alarm checks, is started in a separate thread.
|
|
serial_manager_->waitForStop();
|
|
|
|
if (config->daemon)
|
|
{
|
|
notice("(wmbusmeters) shutting down\n");
|
|
}
|
|
|
|
// Destroy any remaining allocated objects.
|
|
wmbus_devices_.clear();
|
|
meter_manager_->removeAllMeters();
|
|
printer_.reset();
|
|
serial_manager_.reset();
|
|
|
|
restoreSignalHandlers();
|
|
return gotHupped();
|
|
}
|
|
|
|
void start_daemon(string pid_file, string device_override, string listento_override)
|
|
{
|
|
setlogmask(LOG_UPTO (LOG_INFO));
|
|
openlog("wmbusmetersd", LOG_CONS | LOG_PID | LOG_NDELAY, LOG_LOCAL1);
|
|
|
|
enableSyslog();
|
|
|
|
// Pre check that the pid file can be writte to.
|
|
// Exit before fork, if it fails.
|
|
write_pid(pid_file, 0);
|
|
|
|
pid_t pid = fork();
|
|
if (pid < 0)
|
|
{
|
|
error("Could not fork.\n");
|
|
}
|
|
if (pid > 0)
|
|
{
|
|
// Success! The parent stores the pid and exits.
|
|
write_pid(pid_file, pid);
|
|
return;
|
|
}
|
|
|
|
// Change the file mode mask
|
|
umask(0);
|
|
|
|
// Create a new SID for the daemon
|
|
pid_t sid = setsid();
|
|
if (sid < 0) {
|
|
// log
|
|
exit(-1);
|
|
}
|
|
|
|
if ((chdir("/")) < 0) {
|
|
error("Could not change to root as current working directory.");
|
|
}
|
|
|
|
close(STDIN_FILENO);
|
|
close(STDOUT_FILENO);
|
|
close(STDERR_FILENO);
|
|
|
|
if (open("/dev/null", O_RDONLY) == -1) {
|
|
error("Failed to reopen stdin while daemonising (errno=%d)",errno);
|
|
}
|
|
if (open("/dev/null", O_WRONLY) == -1) {
|
|
error("Failed to reopen stdout while daemonising (errno=%d)",errno);
|
|
}
|
|
if (open("/dev/null", O_RDWR) == -1) {
|
|
error("Failed to reopen stderr while daemonising (errno=%d)",errno);
|
|
}
|
|
start_using_config_files("", true, device_override, listento_override);
|
|
}
|
|
|
|
void start_using_config_files(string root, bool is_daemon, string device_override, string listento_override)
|
|
{
|
|
bool restart = false;
|
|
do
|
|
{
|
|
shared_ptr<Configuration> config = loadConfiguration(root, device_override, listento_override);
|
|
config->daemon = is_daemon;
|
|
restart = start(config.get());
|
|
if (restart)
|
|
{
|
|
notice("(wmbusmeters) HUP received, restarting and reloading config files.\n");
|
|
}
|
|
}
|
|
while (restart);
|
|
}
|
|
|
|
void write_pid(string pid_file, int pid)
|
|
{
|
|
FILE *pidf = fopen(pid_file.c_str(), "w");
|
|
if (!pidf) {
|
|
error("Could not open pid file \"%s\" for writing!\n", pid_file.c_str());
|
|
}
|
|
if (pid > 0) {
|
|
int n = fprintf(pidf, "%d\n", pid);
|
|
if (!n) {
|
|
error("Could not write pid (%d) to file \"%s\"!\n", pid, pid_file.c_str());
|
|
}
|
|
notice("(wmbusmeters) started %s\n", pid_file.c_str());
|
|
}
|
|
fclose(pidf);
|
|
return;
|
|
}
|