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 |
Norman James | 6f8d042 | 2015-09-14 18:48:00 -0500 | [diff] [blame] | 5 | #from gi.repository import GObject |
| 6 | import gobject |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 7 | import dbus |
| 8 | import dbus.service |
| 9 | import dbus.mainloop.glib |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame] | 10 | import os |
| 11 | import PropertyManager |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 12 | |
Norman James | 9e6acf9 | 2015-09-08 07:00:04 -0500 | [diff] [blame] | 13 | import Openbmc |
| 14 | |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 15 | if (len(sys.argv) < 2): |
| 16 | print "Usage: system_manager.py [system name]" |
| 17 | exit(1) |
| 18 | |
| 19 | System = __import__(sys.argv[1]) |
| 20 | import Openbmc |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 21 | |
| 22 | DBUS_NAME = 'org.openbmc.managers.System' |
| 23 | OBJ_NAME = '/org/openbmc/managers/System' |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 24 | HEARTBEAT_CHECK_INTERVAL = 20000 |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 25 | |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 26 | |
| 27 | class SystemManager(dbus.service.Object): |
| 28 | def __init__(self,bus,name): |
| 29 | dbus.service.Object.__init__(self,bus,name) |
Norman James | 5d78b4d | 2015-09-05 13:34:34 -0500 | [diff] [blame] | 30 | self.property_manager = PropertyManager.PropertyManager(bus,System.CACHE_PATH) |
Norman James | 9e6acf9 | 2015-09-08 07:00:04 -0500 | [diff] [blame] | 31 | |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame] | 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 | 9e6acf9 | 2015-09-08 07:00:04 -0500 | [diff] [blame] | 36 | bus.add_signal_receiver(self.HeartbeatHandler, signal_name = "Heartbeat") |
Norman James | 362a80f | 2015-09-14 14:04:39 -0500 | [diff] [blame] | 37 | bus.add_signal_receiver(self.SystemStateHandler,signal_name = "GotoSystemState") |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame] | 38 | |
Norman James | 362a80f | 2015-09-14 14:04:39 -0500 | [diff] [blame] | 39 | self.current_state = "" |
| 40 | self.system_states = {} |
| 41 | self.IPMI_ID_LOOKUP = {} |
| 42 | for bus_name in System.SYSTEM_CONFIG.keys(): |
| 43 | sys_state = System.SYSTEM_CONFIG[bus_name]['system_state'] |
| 44 | if (self.system_states.has_key(sys_state) == False): |
| 45 | self.system_states[sys_state] = [] |
| 46 | self.system_states[sys_state].append(bus_name) |
| 47 | self.SystemStateHandler("INIT") |
| 48 | print "SystemManager Init Done" |
| 49 | |
| 50 | |
| 51 | def SystemStateHandler(self,state_name): |
| 52 | print "Running System State: "+state_name |
| 53 | if (self.system_states.has_key(state_name)): |
| 54 | for bus_name in self.system_states[state_name]: |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame] | 55 | self.start_process(bus_name) |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame] | 56 | |
Norman James | 362a80f | 2015-09-14 14:04:39 -0500 | [diff] [blame] | 57 | if (state_name == "INIT"): |
| 58 | ## Add poll for heartbeat |
Norman James | 6f8d042 | 2015-09-14 18:48:00 -0500 | [diff] [blame] | 59 | gobject.timeout_add(HEARTBEAT_CHECK_INTERVAL, self.heartbeat_check) |
Norman James | 9e6acf9 | 2015-09-08 07:00:04 -0500 | [diff] [blame] | 60 | |
Norman James | 362a80f | 2015-09-14 14:04:39 -0500 | [diff] [blame] | 61 | if (System.ENTER_STATE_CALLBACK.has_key(state_name)): |
| 62 | cb = System.ENTER_STATE_CALLBACK[state_name] |
| 63 | obj = bus.get_object(cb['bus_name'],cb['obj_name']) |
| 64 | method = obj.get_dbus_method(cb['method_name'],cb['interface_name']) |
| 65 | method() |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 66 | |
Norman James | 362a80f | 2015-09-14 14:04:39 -0500 | [diff] [blame] | 67 | current_state = state_name |
| 68 | |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 69 | def start_process(self,bus_name): |
Norman James | 5d78b4d | 2015-09-05 13:34:34 -0500 | [diff] [blame] | 70 | if (System.SYSTEM_CONFIG[bus_name]['start_process'] == True): |
| 71 | process_name = System.BIN_PATH+System.SYSTEM_CONFIG[bus_name]['process_name'] |
| 72 | cmdline = [ ] |
| 73 | cmdline.append(process_name) |
| 74 | for instance in System.SYSTEM_CONFIG[bus_name]['instances']: |
| 75 | cmdline.append(instance['name']) |
| 76 | try: |
Norman James | 362a80f | 2015-09-14 14:04:39 -0500 | [diff] [blame] | 77 | print "Starting process: "+" ".join(cmdline)+": "+bus_name |
Norman James | 5d78b4d | 2015-09-05 13:34:34 -0500 | [diff] [blame] | 78 | System.SYSTEM_CONFIG[bus_name]['popen'] = subprocess.Popen(cmdline); |
| 79 | except Exception as e: |
| 80 | ## TODO: error |
| 81 | print "Error starting process: "+" ".join(cmdline) |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 82 | |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 83 | def heartbeat_check(self): |
Norman James | 362a80f | 2015-09-14 14:04:39 -0500 | [diff] [blame] | 84 | #print "heartbeat check" |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 85 | for bus_name in System.SYSTEM_CONFIG.keys(): |
Norman James | 362a80f | 2015-09-14 14:04:39 -0500 | [diff] [blame] | 86 | if (System.SYSTEM_CONFIG[bus_name]['start_process'] == True and |
Norman James | 6f8d042 | 2015-09-14 18:48:00 -0500 | [diff] [blame] | 87 | System.SYSTEM_CONFIG[bus_name].has_key('popen') and |
| 88 | System.SYSTEM_CONFIG[bus_name]['monitor_process'] == True): |
Norman James | 5d78b4d | 2015-09-05 13:34:34 -0500 | [diff] [blame] | 89 | ## even if process doesn't request heartbeat check, |
| 90 | ## make sure process is still alive |
| 91 | p = System.SYSTEM_CONFIG[bus_name]['popen'] |
| 92 | p.poll() |
| 93 | if (p.returncode != None): |
| 94 | print "Process for "+bus_name+" appears to be dead" |
| 95 | self.start_process(bus_name) |
| 96 | |
| 97 | ## process is alive, now check if heartbeat received |
| 98 | ## during previous interval |
| 99 | elif (System.SYSTEM_CONFIG[bus_name]['heartbeat'] == 'yes'): |
| 100 | if (System.SYSTEM_CONFIG[bus_name]['heartbeat_count'] == 0): |
| 101 | print "Heartbeat error: "+bus_name |
| 102 | p = System.SYSTEM_CONFIG[bus_name]['popen'] |
| 103 | ## TODO: error checking |
| 104 | p.poll() |
| 105 | if (p.returncode == None): |
| 106 | print "Process must be hung, so killing" |
| 107 | p.kill() |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 108 | |
Norman James | 5d78b4d | 2015-09-05 13:34:34 -0500 | [diff] [blame] | 109 | self.start_process(bus_name) |
| 110 | else: |
| 111 | System.SYSTEM_CONFIG[bus_name]['heartbeat_count'] = 0 |
Norman James | 362a80f | 2015-09-14 14:04:39 -0500 | [diff] [blame] | 112 | #print "Heartbeat ok: "+bus_name |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 113 | |
| 114 | return True |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 115 | |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame] | 116 | def HeartbeatHandler(self,bus_name): |
Norman James | 362a80f | 2015-09-14 14:04:39 -0500 | [diff] [blame] | 117 | #print "Heartbeat seen: "+bus_name |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 118 | System.SYSTEM_CONFIG[bus_name]['heartbeat_count']=1 |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 119 | |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame] | 120 | def NewBusHandler(self, bus_name, a, b): |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 121 | if (len(b) > 0 and bus_name.find(Openbmc.BUS_PREFIX) == 0): |
| 122 | if (System.SYSTEM_CONFIG.has_key(bus_name)): |
| 123 | System.SYSTEM_CONFIG[bus_name]['heartbeat_count'] = 0 |
Norman James | 362a80f | 2015-09-14 14:04:39 -0500 | [diff] [blame] | 124 | objects = {} |
| 125 | Openbmc.get_objs(bus,bus_name,Openbmc.OBJ_PREFIX,objects) |
| 126 | |
| 127 | for instance_name in objects.keys(): |
| 128 | obj_path = objects[instance_name]['PATH'] |
| 129 | for instance in System.SYSTEM_CONFIG[bus_name]['instances']: |
| 130 | if (instance.has_key('properties') and instance['name'] == instance_name): |
| 131 | props = instance['properties'] |
| 132 | print "Load Properties: "+obj_path |
| 133 | self.property_manager.loadProperties(bus_name,obj_path,props) |
| 134 | ## create a lookup for ipmi id to object path |
| 135 | if (props.has_key('org.openbmc.SensorValue')): |
| 136 | if (props['org.openbmc.SensorValue'].has_key('ipmi_id')): |
| 137 | ipmi_id = props['org.openbmc.SensorValue']['ipmi_id'] |
| 138 | ## TODO: check for duplicate ipmi id |
| 139 | self.IPMI_ID_LOOKUP[ipmi_id]=[bus_name,obj_path] |
Norman James | 90baede | 2015-09-02 20:32:49 -0500 | [diff] [blame] | 140 | |
Norman James | 362a80f | 2015-09-14 14:04:39 -0500 | [diff] [blame] | 141 | ## If object has an init method, call it |
| 142 | for init_intf in objects[instance_name]['INIT']: |
| 143 | obj = bus.get_object(bus_name,obj_path) |
| 144 | intf = dbus.Interface(obj,init_intf) |
| 145 | print "Calling init method: " +obj_path+" : "+init_intf |
| 146 | intf.init() |
| 147 | # |
| 148 | @dbus.service.method(DBUS_NAME, |
| 149 | in_signature='y', out_signature='ss') |
| 150 | def getObjFromIpmi(self,ipmi_id): |
| 151 | obj_path = "" |
| 152 | ## TODO: handle lookup failing |
| 153 | if (self.IPMI_ID_LOOKUP.has_key(ipmi_id) == True): |
| 154 | obj_info = self.IPMI_ID_LOOKUP[ipmi_id] |
| 155 | return obj_info |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 156 | |
| 157 | @dbus.service.method(DBUS_NAME, |
| 158 | in_signature='s', out_signature='sis') |
| 159 | def gpioInit(self,name): |
| 160 | gpio_path = '' |
| 161 | gpio_num = 0 |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 162 | if (System.GPIO_CONFIG.has_key(name) == False): |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 163 | # TODO: Error handling |
| 164 | print "ERROR: "+name+" not found in GPIO config table" |
| 165 | return ['',0,''] |
| 166 | else: |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 167 | gpio_num = System.GPIO_CONFIG[name]['gpio_num'] |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 168 | |
Norman James | 471ab59 | 2015-08-30 22:29:40 -0500 | [diff] [blame] | 169 | return [Openbmc.GPIO_DEV, gpio_num, System.GPIO_CONFIG[name]['direction']] |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 170 | |
| 171 | |
| 172 | if __name__ == '__main__': |
| 173 | dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) |
| 174 | bus = dbus.SessionBus() |
| 175 | name = dbus.service.BusName(DBUS_NAME,bus) |
| 176 | obj = SystemManager(bus,OBJ_NAME) |
Norman James | 6f8d042 | 2015-09-14 18:48:00 -0500 | [diff] [blame] | 177 | mainloop = gobject.MainLoop() |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 178 | |
Norman James | 89de916 | 2015-08-27 21:41:36 -0500 | [diff] [blame] | 179 | print "Running SystemManager" |
| 180 | mainloop.run() |
| 181 | |