Source code for SimulaQron.general.hostConfig

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import sys, socket, struct
from twisted.spread import pb

[docs]class networkConfig(pb.Referenceable): def __init__(self, filename): """ Initialize by reading in the configuration file. """ # Dictionary where we will keep host details, indexed by node name (e.g. Alice) self.hostDict = {} # Read config file self.read_config(filename)
[docs] def read_config(self, filename): """ Reads the configuration file in which each line has the form: node name, hostname, port number. For example: Alice, localhost, 8888 """ with open(filename) as confFile: for line in confFile: if not line.startswith("#"): words = line.split(',') # We will simply ignore lines which are not of the right form if len(words) == 3: newHost = host(words[0].strip(), words[1].strip(), words[2].strip()) self.hostDict[words[0]] = newHost
[docs] def print_details(self, name): """ Prints the details of the specified node with name. """ host = self.hostDict[name] print("Host details of ", name, ": ", host.hostname, ":", host.port)
[docs]class host(pb.Referenceable): def __init__(self, name, hostname, port): """ Initialize the details of the host. For now, we just keep the following: name informal name of the host (e.g. Alice) hostname name of the node on the network (e.g. localhost or yournode.qutech.nl) port port number on hostname """ self.name = name self.hostname = hostname self.port = int(port) # Lookup IP address - store in network byte order(!) addr = socket.gethostbyname(hostname) packedIP = socket.inet_aton(addr) self.ip = struct.unpack("!L", packedIP)[0] # Connection identifiers used after connected self.factory = 0 self.root = 0 self.defer = 0