在Bluez5示例testprofile中,有一个python代码块:
class Profile(dbus.service.Object):
fd = -1
@dbus.service.method("org.bluez.Profile1",
in_signature="", out_signature="")
def Cancel(self):
print("Cancel")
@dbus.service.method("org.bluez.Profile1",
in_signature="oha{sv}", out_signature="")
def NewConnection(self, path, fd, properties):
self.fd = fd.take()
print("NewConnection(%s, %d)" % (path, self.fd))
for key in properties.keys():
if key == "Version" or key == "Features":
print(" %s = 0x%04x" % (key, properties[key]))
else:
print(" %s = %s" % (key, properties[key]))
我是Python和Bluez的新手,下面是一些问题:
什么是fd?它是文件描述符的int
?这是什么意思?int类型可以有方法吗?在
bluez 5接口文件中未定义Cancel方法。哪一个是正确的?在
^{pr2}$
目前没有回答
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