Merge pull request #2 from apopple/master
Added example BT/IPMI to DBus implemention in Python
diff --git a/bin/ipmid.py b/bin/ipmid.py
new file mode 100644
index 0000000..99f88a9
--- /dev/null
+++ b/bin/ipmid.py
@@ -0,0 +1,79 @@
+#!/usr/bin/env python
+
+import sys
+import subprocess
+import dbus
+import string
+import os
+import fcntl
+import glib
+import gobject
+import dbus.service
+import dbus.mainloop.glib
+
+DBUS_NAME = 'org.openbmc.HostIpmi'
+OBJ_NAME = '/org/openbmc/HostIpmi/1'
+
+def print_packet(seq, netfn, cmd, data):
+ print 'seq: 0x%02x\nnetfn: 0x%02x\ncmd: 0x%02x\ndata: [%s]' % (
+ seq, netfn, cmd,
+ ", ".join(['0x%02x' % x for x in data]))
+
+
+class Ipmid(dbus.service.Object):
+ def __init__(self, bus, name):
+ dbus.service.Object.__init__(self,bus,name)
+
+ def setReader(self, reader):
+ self.reader = reader
+
+ @dbus.service.signal(DBUS_NAME, "yyyay")
+ def ReceivedMessage(self, seq, netfn, cmd, data):
+ print("IPMI packet from host. Seq = 0x%x Netfn = 0x%x Cmd = 0x%x" %
+ (ord(seq), ord(netfn), ord(cmd)))
+
+ @dbus.service.method(DBUS_NAME, "", "")
+ def test(self):
+ print("TEST")
+
+ @dbus.service.method(DBUS_NAME, "yyyay", "x")
+ def sendMessage(self, seq, netfn, cmd, data):
+ print("IPMI packet sent to host. Seq = 0x%x Netfn = 0x%x Cmd = 0x%x" %
+ (int(seq), int(netfn), int(cmd)))
+
+ self.reader.write(seq, netfn, cmd, data)
+
+ return 0
+
+class BtReader(object):
+ def __init__(self, ipmi_obj):
+ self.ipmi_obj = ipmi_obj
+ flags = os.O_NONBLOCK | os.O_RDWR
+ self.bt = os.open("/dev/bt", flags)
+ glib.io_add_watch(self.bt, glib.IO_IN, self.io_callback)
+ ipmi_obj.setReader(self)
+
+ def write(self, seq, netfn, cmd, data):
+ # Untested
+ val = chr(netfn) + chr(seq) + chr(cmd)
+ val += reduce(lambda a, b: a + chr(b), data, "")
+ val = chr(len(val)) + val
+ os.write(self.bt, val)
+
+ def io_callback(self, fd, condition):
+ data = os.read(self.bt, 128)
+ self.ipmi_obj.ReceivedMessage(data[2], data[1], data[3], data[4:])
+ return True
+
+def main():
+ dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
+ bus = dbus.SessionBus()
+ name = dbus.service.BusName(DBUS_NAME, bus)
+ obj = Ipmid(bus, OBJ_NAME)
+ r = BtReader(obj)
+ mainloop = gobject.MainLoop()
+ print("Started")
+ mainloop.run()
+
+if __name__ == '__main__':
+ sys.exit(main())