Example #1
0
    def __init__(self, prefix, callback):
        self.gui_callback = callback
        self.friendly_names = {}

        self.handle = pyndn.NDN()
        self.chat_uri = pyndn.Name(prefix)
        self.members_uri = self.chat_uri + "members"

        self.net_pull = VersionedPull(self.chat_uri, None, handle=self.handle)

        self.default_key = self.handle.getDefaultKey()
        digest = fix_digest(self.default_key.publicKeyID)
        self.friendly_names[digest] = getpass.getuser()
Example #2
0
 def __init__(self, name, mydata, **kwargs):
     self.name = pyndn.Name(name) #not include segment number and version number
     self.handle = pyndn.NDN()
     self.exclusions = pyndn.ExclusionFilter()
     self.interest_schema = kwargs.get("interest_schema", "id")
     self.mod = kwargs.get("mod", "non-adatpive")
     self.default_block_size = kwargs.get("default_block_size", DEFAULT_BLOCK_SIZE)
     
     self.mydata = mydata
     s = os.path.basename(name)
     if os.path.exists(s):
         log.info("file %s will be replaced " %(s))
     self.file_out = open(s, "w")
     
     self.chunkinfo = None
Example #3
0
    def __init__(self, prefix, nick=getpass.getuser()):
        self.handle = pyndn.NDN()
        self.flow = FlowController(prefix, self.handle)

        #XXX: temporary, until we allow fetching key from key storage
        self.key = self.handle.getDefaultKey()
        self.keylocator = pyndn.KeyLocator(self.key)

        self.prefix = pyndn.Name(prefix)
        self.members_uri = self.prefix + "members"

        member_name = self.members_uri.appendKeyID(
            fix_digest(self.key.publicKeyID))
        self.member_message = self.publish(member_name, nick)
        self.flow.put(self.member_message)
Example #4
0
def main(args):
	if len(sys.argv) != 2:
		usage()

	name = pyndn.Name(sys.argv[1])
	data = ndnb_enumerate(generate_names())

	key = pyndn.NDN.getDefaultKey()
	name = name.append('\xc1.E.be').appendKeyID(key).appendVersion()

	wrapper = Wrapper(name, key)
	sgmtr = segmenter(data, wrapper)

	handle = pyndn.NDN()
	for seg in sgmtr:
		handle.put(seg)

	return 0
Example #5
0
    def __init__(self,
                 base_name,
                 callback,
                 handle=None,
                 version=None,
                 latest=True):
        handle = handle or pyndn.NDN()

        # some constants
        self.version_marker = '\xfd'
        self.first_version_marker = self.version_marker
        self.last_version_marker = '\xfe\x00\x00\x00\x00\x00\x00'

        self.base_name = pyndn.Name(base_name)
        self.callback = callback
        self.handle = handle
        self.latest_version = version or self.first_version_marker
        self.start_with_latest = latest
Example #6
0
    def __init__(self, name, mydata, content_path=None, **kwargs):
        self.name = pyndn.Name(
            name)  #not include segment number and version number
        self.handle = pyndn.NDN()
        self.exclusions = pyndn.ExclusionFilter()

        self.mod = kwargs.get("mod", "non-adatpive")
        self.default_block_size = kwargs.get("default_block_size",
                                             DEFAULT_BLOCK_SIZE)

        self.mydata = mydata
        s = content_path
        if s == None:
            s = os.path.basename(name)

        if os.path.exists(s):
            log.info("file %s will be published with name %s " % (s, name))
        else:
            log.error("%s is not exist under %s directory" %
                      (s, "current" if content_path == None else "the"))
            exit(0)

        self.file_in = open(s, "rb")
        self.file_size = os.path.getsize(s)
Example #7
0
        return bytes(x)


class sendMessage(threading.Thread):
    def run(self):
        po = Popen(['ndnput', '-x', '5', '-t', 'ENCR', 'ndn:/messages/hello'],
                   stdin=PIPE)
        po.communicate(arrgh("Hello everyone"))
        #		po.stdin.close()
        po.wait()


thread = sendMessage()

name = pyndn.Name("ndn:/messages/hello")
handle = pyndn.NDN()

thread.start()
co = handle.get(name)
thread.join()

print(co)
print(co.content)
print(type(co.content))

assert co.content == bytearray(b"Hello everyone")
print(co.name)
assert str(co.name) == "/messages/hello"

signedinfo = co.signedInfo
assert signedinfo.type == pyndn.CONTENT_ENCR
Example #8
0
 def __init__(self, root, handle=None):
     self.root = pyndn.Name(root)
     self.exclusions = pyndn.ExclusionFilter()
     self.handle = handle or pyndn.NDN()
Example #9
0
 def __init__(self, name, content):
     self.handle = pyndn.NDN()
     self.name = pyndn.Name(name)
     self.content = self.prepareContent(content,
                                        self.handle.getDefaultKey())
Example #10
0
        # SignedInfo
        si = pyndn.SignedInfo()
        si.type = pyndn.CONTENT_DATA
        si.finalBlockID = pyndn.Name.num2seg(0)
        si.publisherPublicKeyDigest = key.publicKeyID
        si.keyLocator = keylocator

        # ContentObject
        co = pyndn.ContentObject()
        co.content = content
        co.name = co_name
        co.signedInfo = si

        co.sign(key)
        return co

    def callback(kind, info):
        print(info.ContentObject.content)

    fc = FlowController("/test", pyndn.NDN())
    fc.put(publish('/test/1', 'one'))
    fc.put(publish('/test/2', 'two'))
    fc.put(publish('/test/3', 'three'))
    vp = VersionedPull("/chat", callback)
    el = pyndn.EventLoop(fc.handle, vp.handle)

    while True:
        vp.requestNext()
        el.run_once()
        time.sleep(1)