Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 3 | import sys |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 4 | import subprocess |
| 5 | import gobject |
| 6 | import dbus |
| 7 | import dbus.service |
| 8 | import dbus.mainloop.glib |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame^] | 9 | #import xml.etree.ElementTree as ET |
| 10 | import os |
| 11 | import PropertyManager |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 12 | |
| 13 | if (len(sys.argv) < 2): |
| 14 | print "Usage: system_manager.py [system name]" |
| 15 | exit(1) |
| 16 | |
| 17 | System = __import__(sys.argv[1]) |
| 18 | import Openbmc |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 19 | |
| 20 | DBUS_NAME = 'org.openbmc.managers.System' |
| 21 | OBJ_NAME = '/org/openbmc/managers/System' |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 22 | HEARTBEAT_CHECK_INTERVAL = 20000 |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 23 | |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 24 | |
| 25 | class SystemManager(dbus.service.Object): |
| 26 | def __init__(self,bus,name): |
| 27 | dbus.service.Object.__init__(self,bus,name) |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame^] | 28 | #self.sensor_manager_running = False |
| 29 | #self.fru_manager_running = False |
| 30 | #self.inited = False |
| 31 | |
| 32 | ## Signal handlers |
| 33 | bus.add_signal_receiver(self.NewBusHandler, |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 34 | dbus_interface = 'org.freedesktop.DBus', |
| 35 | signal_name = "NameOwnerChanged") |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame^] | 36 | #bus.add_signal_receiver(self.FruRunningHandler, |
| 37 | # dbus_interface = 'org.openbmc.managers.Frus' |
| 38 | # signal_name = "OpenBmcRunning") |
| 39 | #bus.add_signal_receiver(self.SensorRunningHandler, |
| 40 | # dbus_interface = 'org.openbmc.managers.Sensors' |
| 41 | # signal_name = "OpenBmcRunning") |
| 42 | bus.add_signal_receiver(self.CacheMeHandler, |
| 43 | signal_name = 'CacheMe', path_keyword='path',interface_keyword='interface') |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 44 | |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame^] | 45 | |
| 46 | try: |
| 47 | # launch dbus object processes |
| 48 | for bus_name in System.SYSTEM_CONFIG.keys(): |
| 49 | self.start_process(bus_name) |
| 50 | except Exception as e: |
| 51 | ## TODO: error handling |
| 52 | pass |
| 53 | |
| 54 | bus.add_signal_receiver(self.HeartbeatHandler, signal_name = "Heartbeat") |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 55 | gobject.timeout_add(HEARTBEAT_CHECK_INTERVAL, self.heartbeat_check) |
| 56 | |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame^] | 57 | def CacheMeHandler(self,busname,path=None,interface=None): |
| 58 | #interface_name = 'org.openbmc.Fru' |
| 59 | print "CacheME: "+busname+","+path+","+interface |
| 60 | data = {} |
| 61 | cache = System.CACHED_INTERFACES.has_key(interface) |
| 62 | PropertyManager.saveProperties(bus,busname,path,interface,cache,data) |
| 63 | |
| 64 | |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 65 | def start_process(self,bus_name): |
| 66 | exe_name = System.SYSTEM_CONFIG[bus_name]['exe_name'] |
| 67 | cmdline = [ ] |
| 68 | cmdline.append(exe_name) |
| 69 | for instance in System.SYSTEM_CONFIG[bus_name]['instances']: |
| 70 | cmdline.append(instance['name']) |
| 71 | try: |
| 72 | print "Starting process: "+" ".join(cmdline) |
| 73 | System.SYSTEM_CONFIG[bus_name]['popen'] = subprocess.Popen(cmdline); |
| 74 | except Exception as e: |
| 75 | ## TODO: error |
| 76 | print "Error starting process: "+" ".join(cmdline) |
| 77 | |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 78 | def heartbeat_check(self): |
| 79 | print "heartbeat check" |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 80 | for bus_name in System.SYSTEM_CONFIG.keys(): |
| 81 | ## even if process doesn't request heartbeat check, |
| 82 | ## make sure process is still alive |
| 83 | p = System.SYSTEM_CONFIG[bus_name]['popen'] |
| 84 | p.poll() |
| 85 | if (p.returncode != None): |
| 86 | print "Process for "+bus_name+" appears to be dead" |
| 87 | self.start_process(bus_name) |
| 88 | |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame^] | 89 | ## process is alive, now check if heartbeat received |
| 90 | ## during previous interval |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 91 | elif (System.SYSTEM_CONFIG[bus_name]['heartbeat'] == 'yes'): |
| 92 | if (System.SYSTEM_CONFIG[bus_name]['heartbeat_count'] == 0): |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 93 | print "Heartbeat error: "+bus_name |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 94 | p = System.SYSTEM_CONFIG[bus_name]['popen'] |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame^] | 95 | ## TODO: error checking |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 96 | p.poll() |
| 97 | if (p.returncode == None): |
| 98 | print "Process must be hung, so killing" |
| 99 | p.kill() |
| 100 | |
| 101 | self.start_process(bus_name) |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 102 | else: |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 103 | System.SYSTEM_CONFIG[bus_name]['heartbeat_count'] = 0 |
| 104 | print "Heartbeat ok: "+bus_name |
| 105 | |
| 106 | return True |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 107 | |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame^] | 108 | def HeartbeatHandler(self,bus_name): |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 109 | System.SYSTEM_CONFIG[bus_name]['heartbeat_count']=1 |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 110 | |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame^] | 111 | def NewBusHandler(self, bus_name, a, b): |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 112 | if (len(b) > 0 and bus_name.find(Openbmc.BUS_PREFIX) == 0): |
| 113 | if (System.SYSTEM_CONFIG.has_key(bus_name)): |
| 114 | System.SYSTEM_CONFIG[bus_name]['heartbeat_count'] = 0 |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame^] | 115 | obj_root = "/"+bus_name.replace('.','/') |
| 116 | obj_paths = [] |
| 117 | |
| 118 | ## Loads object properties from system config file |
| 119 | ## then overlays saved properties from file |
| 120 | for instance in System.SYSTEM_CONFIG[bus_name]['instances']: |
| 121 | obj_path = obj_root+'/'+instance['name'] |
| 122 | obj_paths.append(obj_path) |
| 123 | if (instance.has_key('properties')): |
| 124 | PropertyManager.loadProperties(bus,bus_name,obj_path, instance['properties']) |
| 125 | |
| 126 | ## After object properties are setup, call init method if requested |
| 127 | if (System.SYSTEM_CONFIG[bus_name].has_key('init_methods')): |
| 128 | for obj_path in obj_paths: |
| 129 | for init_interface in System.SYSTEM_CONFIG[bus_name]['init_methods']: |
| 130 | obj = bus.get_object(bus_name,obj_path) |
| 131 | intf = dbus.Interface(obj,init_interface) |
| 132 | print "calling init:" +init_interface |
| 133 | intf.init() |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 134 | |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 135 | |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 136 | |
| 137 | @dbus.service.method(DBUS_NAME, |
| 138 | in_signature='s', out_signature='sis') |
| 139 | def gpioInit(self,name): |
| 140 | gpio_path = '' |
| 141 | gpio_num = 0 |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 142 | if (System.GPIO_CONFIG.has_key(name) == False): |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 143 | # TODO: Error handling |
| 144 | print "ERROR: "+name+" not found in GPIO config table" |
| 145 | return ['',0,''] |
| 146 | else: |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 147 | gpio_num = System.GPIO_CONFIG[name]['gpio_num'] |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 148 | |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 149 | return [Openbmc.GPIO_DEV, gpio_num, System.GPIO_CONFIG[name]['direction']] |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 150 | |
| 151 | |
| 152 | if __name__ == '__main__': |
| 153 | dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) |
| 154 | bus = dbus.SessionBus() |
| 155 | name = dbus.service.BusName(DBUS_NAME,bus) |
| 156 | obj = SystemManager(bus,OBJ_NAME) |
| 157 | mainloop = gobject.MainLoop() |
| 158 | |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 159 | print "Running SystemManager" |
| 160 | mainloop.run() |
| 161 | |