Files
pycapnp/examples/example_capability.py
2013-11-14 20:59:21 -08:00

38 lines
1006 B
Python

from __future__ import print_function
import capnp
import example_capability_capnp as capability
import socket
class Server:
def __init__(self, val=1):
self.val = val
def foo(self, context):
context.results.x = str(context.params.i * 5 + self.val)
def example_simple_rpc():
def _restore(ref_id):
return capability.TestInterface.new_server(Server(100))
loop = capnp.EventLoop()
import os
read, write = os.pipe()
read_stream = capnp.FdAsyncIoStream(write)
write_stream = capnp.FdAsyncIoStream(read)
restorer = capnp.Restorer(capability.TestSturdyRefObjectId, _restore)
server = capnp.RpcServer(loop, write_stream, restorer)
client = capnp.RpcClient(loop, read_stream)
ref = capability.TestSturdyRefObjectId.new_message()
cap = client.restore(ref.as_reader())
cap = cap.cast_as(capability.TestInterface)
remote = cap.foo(i=5)
response = loop.wait(remote)
assert response.x == '125'
example_simple_rpc()