def increment_using_rpc(current_node):
# create a server socket
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# connect to the server socket
s.connect(('localhost', 50001))
# Connects via socket to RPC peer node
rpc = JSONRpc(s)
# Get a RPC peer proxy object
server = rpc.get_peer_proxy()
# Serialize the graph as a dictionary
# Dictionary structure
# {"root_object_id": {"name": "root",
# "level": 0,
# "value": 0,
# "children":["leaf1_object_id", "leaf1_object_id", "leaf2_object_id"]
# },
# "leaf1_object_id": {.....
# }
ser_graph = object_to_dictionary(current_node)
# Remote procedure call using the serialized tree and the root node name
result = server.server_increment(ser_graph)
# Close thr RPC.
# Closes the socket 's' also
rpc.close()
# construct the tree using objects
# from the serialized output received from the RPC
current_node = dictionary_to_object(result)
# return the root node
return current_node
# minimalistic client example from
# https://github.com/seprich/py-bson-rpc/blob/master/README.md#quickstart
import socket
from bsonrpc import JSONRpc
from bsonrpc.exceptions import FramingError
from bsonrpc.framing import (JSONFramingNetstring, JSONFramingNone,
JSONFramingRFC7464)
# Cut-the-corners TCP Client:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(('localhost', 50002))
rpc = JSONRpc(s, framing_cls=JSONFramingNone)
server = rpc.get_peer_proxy()
# Execute in server:
result = server.swapper('Hello World!')
# "!dlroW olleH"
print(result)
print(server.nop({1: [2, 3]}))
rpc.close() # Closes the socket 's' also
def startConnection(s):
rpc = JSONRpc(s, framing_cls=JSONFramingNone)
server = rpc.get_peer_proxy()
return server, rpc
