Exemple #1
0
class LocalListener(Thread):
    def __init__(self, addr, user_list):
        Thread.__init__(self)
        self.pipe = PIPE()

        self.user_list = user_list

        self.sock = socket.socket()
        self.sock.bind(addr)
        self.sock.listen(20)

    def new_user(self):
        return self.pipe.read()

    def connect(self, addr, uid):
        s = socket.socket()
        try:
            uid = uid.ljust(20)
            s.connect(addr)
            s.sendall(uid)
        except:
            #print 'connect error'
            return None
        return s

    def run(self):
        while True:
            conn, addr = self.sock.accept()
            try:
                user_id = conn.recv(20)
                self.user_list[user_id] = conn
                self.pipe.write(user_id)
            except:
                #print 'recv user_id error'
                continue
Exemple #2
0
    def __init__(self, userId, castSelector, clientManager, logManager):
        super(ABCASTManager, self).__init__()
        self.clock = 0
        self.clockMutex = threading.Lock()
        self.logManager = logManager

        self.userId = userId
        self.inputPipe = PIPE()
        self.outputPipe = PIPE()
        self.castManager = castSelector

        self.responseReceiver = {}
        self.receiverMutex = threading.Lock()

        self.clientList = clientManager.fetch_user_list()
        self.clientListMutex = threading.Lock()
        self.clientManager = clientManager

        self.processQueue = Heap()
        self.heapMutex = threading.Lock()

        self.recvProc = CustomThread(self._startReceiveMessage)
        self.sendProc = CustomThread(self._startSendBroadCast)

        self.pauseFlag = False
        self.startFlag = False
        self.waitCondition = threading.Condition()
Exemple #3
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class LocalListener(Thread):
    def __init__(self, addr, user_list):
        Thread.__init__(self)
        self.pipe = PIPE()

        self.user_list = user_list

        self.sock = socket.socket()
        self.sock.bind(addr)
        self.sock.listen(20)

    def new_user(self):
        return self.pipe.read()

    def connect(self, addr, uid):
        s = socket.socket()
        try:
            uid = uid.ljust(20)
            s.connect(addr)
            s.sendall(uid)
        except:
            #print 'connect error'
            return None
        return s

    def run(self):
        while True:
            conn, addr = self.sock.accept()
            try:
                user_id = conn.recv(20)
                self.user_list[user_id] = conn
                self.pipe.write(user_id)
            except:
                #print 'recv user_id error'
                continue
Exemple #4
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    def __init__(self, addr, user_list):
        Thread.__init__(self)
        self.pipe = PIPE()

        self.user_list = user_list

        self.sock = socket.socket()
        self.sock.bind(addr)
        self.sock.listen(20)
Exemple #5
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    def __init__(self): 
        self.output_pipe = PIPE()
        self.signal_pipe = PIPE()

        self.mtcp = MTCP(self.output_pipe, self.signal_pipe)

        self.socks = {} #key=addr, value=socket
        self.input_pipes = {} #key=addr, value=input_pipes

        self.sending_lock = threading.Lock()
Exemple #6
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    def __init__(self):
        self.output_pipe = PIPE()
        self.signal_pipe = PIPE()

        self.mtcp = MTCP(self.output_pipe, self.signal_pipe)

        self.socks = {}  #key=addr, value=socket
        self.input_pipes = {}  #key=addr, value=input_pipes

        self.sending_lock = threading.Lock()
Exemple #7
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    def __init__(self, addr, user_list):
        Thread.__init__(self)
        self.pipe = PIPE()

        self.user_list = user_list

        self.sock = socket.socket()
        self.sock.bind(addr)
        self.sock.listen(20)
Exemple #8
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    def add_addr(self, addr, sock):
        if addr in self.socks:
            #print addr, "already in the socket list"
            return None  # error

        self.socks[addr] = sock

        input_pipe = PIPE()
        self.input_pipes[addr] = input_pipe

        if (sock == None):
            return None
        self.mtcp.new_connect(sock, addr, input_pipe)
Exemple #9
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class CASTSelecter(Thread):
    def __init__(self, broadcast):
        Thread.__init__(self)
        self.cbpipe = PIPE()
        self.gbpipe = PIPE()
        self.abpipe = PIPE()
        self.b = broadcast

    def sendCB(self, data, addr=None):
        time.sleep(0.01)
        _data = "CBCAST" + data
        if addr == None:
            self.b.sendall(_data)
        else:
            self.b.send(addr, _data)

    def sendGB(self, data, addr=None):
        time.sleep(0.01)
        _data = "GBCAST" + data
        if addr == None:
            self.b.sendall(_data)
        else:
            self.b.send(addr, _data)

    def sendAB(self, data, addr=None):
        pass

    def recvCB(self):
        return self.cbpipe.read()

    def recvGB(self):
        return self.gbpipe.read()

    def recv(self):
        time.sleep(0.01)
        _data = self.b.read()
        header = _data[:6]
        data = _data[6:]
        if header == "CBCAST":
            self.cbpipe.write(data)
        if header == "GBCAST":
            self.gbpipe.write(data)

    def run(self):
        while True:
            self.recv()
Exemple #10
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class CASTSelecter(Thread):
    def __init__(self, broadcast):
        Thread.__init__(self)
        self.cbpipe = PIPE()
        self.gbpipe = PIPE()
        self.abpipe = PIPE()
        self.b = broadcast
    def sendCB(self, data, addr = None):
        time.sleep(0.01)
        _data = "CBCAST" + data
        if addr == None:
            self.b.sendall(_data)
        else:
            self.b.send(addr, _data)
    def sendGB(self, data, addr = None):
        time.sleep(0.01)
        _data = "GBCAST" + data
        if addr == None:
            self.b.sendall(_data)
        else:
            self.b.send(addr, _data)

    def sendAB(self, data, addr = None):
        pass


    def recvCB(self):
        return self.cbpipe.read()
    def recvGB(self):
        return self.gbpipe.read()

    def recv(self):
        time.sleep(0.01)
        _data = self.b.read()
        header = _data[:6]
        data = _data[6:]
        if header == "CBCAST":
            self.cbpipe.write(data)
        if header == "GBCAST":
            self.gbpipe.write(data)

    def run(self):
        while True:
            self.recv()
Exemple #11
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    import sys

    def pause_script():
        raw_input("pause")

    class read_pipe(Thread):
        def __init__(self, pipe):
            Thread.__init__(self)
            self.pipe = pipe

        def run(self):
            while True:
                print self.pipe.read()

    if sys.argv[1] == "server":
        signal_pipe = PIPE()
        output_pipe = PIPE()
        input_pipes = [PIPE(), PIPE(), PIPE()]
        #server
        server = socket.socket()
        server.bind(("localhost", 12222))
        server.listen(10)
        number = 0

        t_signal = read_pipe(signal_pipe)
        t_output = read_pipe(output_pipe)
        t_signal.setDaemon(True)
        t_output.setDaemon(True)
        t_signal.start()
        t_output.start()
Exemple #12
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 def __init__(self, broadcast):
     Thread.__init__(self)
     self.cbpipe = PIPE()
     self.gbpipe = PIPE()
     self.abpipe = PIPE()
     self.b = broadcast
Exemple #13
0
    def writeA(args):
        for x in xrange(0, args[1]):
            args[0].write('A' + str(x))

    def writeB(args):
        for x in xrange(0, args[1]):
            args[0].write('B' + str(x))

    def writeC(args):
        for x in xrange(0, args[1]):
            args[0].write('C' + str(x))

    selectorA = FakeCASTSelecter('a')
    selectorB = FakeCASTSelecter('b')
    selectorC = FakeCASTSelecter('c')
    pa = PIPE()
    pb = PIPE()
    pc = PIPE()
    selectorA.pipes = {'a': pa, 'b': pb, 'c': pc}
    selectorB.pipes = {'a': pa, 'b': pb, 'c': pc}
    selectorC.pipes = {'a': pa, 'b': pb, 'c': pc}

    cm = FakeClientList(['a', 'b', 'c'])
    abcA = ABCASTManager('a', selectorA, cm, LogManager())
    abcB = ABCASTManager('b', selectorB, cm, LogManager())
    abcC = ABCASTManager('c', selectorC, cm, LogManager())

    abcA.start()
    abcB.start()
    abcC.start()
Exemple #14
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 def __init__(self, addr):
     # self.pipes = {}
     self.adapter = {'a': PIPE(), 'b': PIPE(), 'c': PIPE()}
     self.addr = addr
Exemple #15
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 def __init__(self, broadcast):
     Thread.__init__(self)
     self.cbpipe = PIPE()
     self.gbpipe = PIPE()
     self.abpipe = PIPE()
     self.b = broadcast
Exemple #16
0
    init_colors()
    stdscr.bkgd(1, curses.COLOR_BLACK)
    gui = EditorGUI(stdscr, name, filename)

    coop = cooperator(gui, 1)
    coops[name] = coop
    gui._cooperators.append(coop)
    # TODO gui._cooperators.append(cooperator(gui, 1))
    #gui._cooperators.append(cooperator(gui, 2))
    #gui._cooperators.append(cooperator(gui, 3))

    addr = ("localhost", 12222)
    s = socket.socket()
    s.connect(addr)

    signal_pipe = PIPE()
    output_pipe = PIPE()
    input_pipe = PIPE()
    '''
    #t_signal = read_pipe(signal_pipe)
    #t_output = read_pipe(output_pipe)
    t_signal.setDaemon(True)
    t_output.setDaemon(True)
    t_signal.start()
    t_output.start()
    '''

    t1 = TSTCP(s, addr, input_pipe, signal_pipe)
    t1.setDaemon(True)
    t1.start()
Exemple #17
0
class ABCASTManager(object):
    """Manager for sending ABCAST"""
    def __init__(self, userId, castSelector, clientManager, logManager):
        super(ABCASTManager, self).__init__()
        self.clock = 0
        self.clockMutex = threading.Lock()
        self.logManager = logManager

        self.userId = userId
        self.inputPipe = PIPE()
        self.outputPipe = PIPE()
        self.castManager = castSelector

        self.responseReceiver = {}
        self.receiverMutex = threading.Lock()

        self.clientList = clientManager.fetch_user_list()
        self.clientListMutex = threading.Lock()
        self.clientManager = clientManager

        self.processQueue = Heap()
        self.heapMutex = threading.Lock()

        self.recvProc = CustomThread(self._startReceiveMessage)
        self.sendProc = CustomThread(self._startSendBroadCast)

        self.pauseFlag = False
        self.startFlag = False
        self.waitCondition = threading.Condition()

    def start(self):
        self.recvProc.setDaemon(True)
        self.sendProc.setDaemon(True)
        self.recvProc.start()
        self.sendProc.start()
        self.startFlag = True

    def read(self):
        #parsed value
        return self.outputPipe.read()

    def write(self, message):
        self.inputPipe.write(message)

    #for CT
    def block(self):
        self.pauseFlag = True

    def waitAllDone(self):
        if not self.processQueue.empty() or len(self.responseReceiver) > 0:
            self.waitCondition.acquire()
            self.waitCondition.wait()
            self.waitCondition.release()
        return True

    def resume(self):
        self.pauseFlag = False
        if not self.sendProc.isAlive():
            self.sendProc = CustomThread(self._startSendBroadCast)
            self.sendProc.setDaemon(True)
            self.sendProc.start()

    def synchronize(self, operationList):
        for op in operationList:
            self.outputPipe.write(op)

    def addUser(self, userId):
        self.clientListMutex.acquire()
        self.clientList = self.clientManager.fetch_user_list()
        self.clientListMutex.release()

    def removeUser(self, userId):
        # print 'ABCASTManager remove user'
        self.receiverMutex.acquire()
        for (k, v) in self.responseReceiver.items():
            cList = v[0]
            lastObj = v[1]
            if userId in cList:
                cList.remove(userId)
                if len(cList) == 0:
                    if not lastObj is None:
                        self._sendMessageObjBroadCast(MessageObj(self.userId, None, lastObj.oid, lastObj.mid, self.clientManager.view_id, 'F'))
                    del self.responseReceiver[msgObj.uniqueId()]
        self.receiverMutex.release()
        self.clientListMutex.acquire()
        # print 'fetch user list from user manager'
        self.clientList = self.clientManager.fetch_user_list()
        self.clientListMutex.release()
        # print self.clientList

    def restoreData(self, userId, msgList):
        self.heapMutex.acquire()
        for pair in msgList:
            msgKey = userId + '_' + str(pair[0])
            if pair[1] >= 0:
                self.processQueue.update(msgKey, pair[1])
            else:
                for obj in self.processQueue.getAllObjects():
                    if obj.uniqueId() == msgKey:
                        obj.discard = True
                    break
        self.heapMutex.release()

    #block thread
    def _startReceiveMessage(self):
        while True:
            # print 'receiving msg'
            msg = self.castManager.recvCB()
            # print 'msg received'
            # print self.clientList
            msgObj = fromStr(msg)
            if msgObj.vid != self.clientManager.view_id:
                continue
            #selector
            #for A::
            if msgObj.type == 'A':
                # print '%s receive A-Msg %s' % (self.userId, msg)
                # self.clientListMutex.acquire()
                if msgObj.sender in self.clientList:
                    self.heapMutex.acquire()
                    self.processQueue.push(msgObj)
                    self.logManager.insertPrepare(msgObj.sender, msgObj.oid)
                    self.clockMutex.acquire()
                    clk = self.clock = max(self.clock, self.processQueue.maxObj.mid) + 1
                    self.clockMutex.release()
                    self.heapMutex.release()
                    obj = MessageObj(msgObj.sender, None, msgObj.oid, clk, self.clientManager.view_id, 'P')
                    obj.replier = self.userId
                    self._sendMessageObjBroadCast(obj, msgObj.sender)
                    # print 'P msg sent'
                # self.clientListMutex.release()
            elif msgObj.type == 'P':
            #for P::
                # print '%s receive P-Msg %s' % (self.userId, msg)
                self.receiverMutex.acquire()
                if msgObj.uniqueId() in self.responseReceiver:
                    cList, lastObj = self.responseReceiver[msgObj.uniqueId()]
                    # print '%s wait for %s, %d left' % (self.userId, msgObj.uniqueId(), len(cList))
                    # print cList
                    if msgObj.replier in cList:
                        cList.remove(msgObj.replier)
                        if not lastObj or lastObj.smallerThan(msgObj):
                            self.responseReceiver[msgObj.uniqueId()] = (cList, msgObj)
                            lastObj = msgObj
                        if len(cList) == 0:
                            self._sendMessageObjBroadCast(MessageObj(self.userId, None, lastObj.oid, lastObj.mid, self.clientManager.view_id, 'F'))
                            del self.responseReceiver[msgObj.uniqueId()]
                self.receiverMutex.release()
            #for F::
            else:
                # print '%s receive F-Msg %s' % (self.userId, msg)
                self.clientListMutex.acquire()
                if msgObj.sender in self.clientList:
                    self.heapMutex.acquire()
                    self.processQueue.update(msgObj.uniqueId(), msgObj.mid)
                    self.logManager.updatePrepare(msgObj.sender, msgObj.oid, msgObj.mid)
                    # print '%s is ready: %s' % (self.processQueue.top().uniqueId(), self.processQueue.top().delivered)
                    while not self.processQueue.empty() and self.processQueue.top().delivered and not self.processQueue.top().discard:
                        poppedObj = self.processQueue.pop()
                        # print poppedObj.content
                        if not poppedObj.discard:
                            self.outputPipe.write(poppedObj.content)
                            self.logManager.appendRecord(poppedObj.content)
                        if self.processQueue.empty() and len(self.responseReceiver) == 0:
                            self.waitCondition.acquire()
                            self.waitCondition.notify()
                            self.waitCondition.release()
                    self.heapMutex.release()
                self.clientListMutex.release()

    #No lock allowed for this call if A::msg
    def _sendMessageObjBroadCast(self, msgObj, target=None):
        if msgObj.type == 'A':
            #are these locks neccessary?
            self.receiverMutex.acquire()
            # self.clientListMutex.acquire()
            clist = copy.deepcopy(self.clientList)
            # self.clientListMutex.release()
            self.responseReceiver[msgObj.uniqueId()] = (clist, None)
            self.receiverMutex.release()
        if target is None:
            # print 'msg sent'
            # print self.clientList
            self.castManager.sendCB(str(msgObj))
        else:
            self.castManager.sendCB(str(msgObj), target)

    #block thread
    def _startSendBroadCast(self):
        while not self.pauseFlag:
            msg = self.inputPipe.read()
            self.clockMutex.acquire()
            self.clock += 1
            msgObj = MessageObj(self.userId, msg, self.clock, self.clock, self.clientManager.view_id, 'A')
            self.clockMutex.release()
            self._sendMessageObjBroadCast(msgObj)
Exemple #18
0
class BroadCast():
    def __init__(self):
        self.output_pipe = PIPE()
        self.signal_pipe = PIPE()

        self.mtcp = MTCP(self.output_pipe, self.signal_pipe)

        self.socks = {}  #key=addr, value=socket
        self.input_pipes = {}  #key=addr, value=input_pipes

        self.sending_lock = threading.Lock()

    def add_addr(self, addr, sock):
        if addr in self.socks:
            #print addr, "already in the socket list"
            return None  # error

        self.socks[addr] = sock

        input_pipe = PIPE()
        self.input_pipes[addr] = input_pipe

        if (sock == None):
            return None
        self.mtcp.new_connect(sock, addr, input_pipe)

    def remove_addr(self, addr):
        #This will send the socket.close()

        if addr not in self.socks:
            #print addr, "not in the socket list"
            return False

        sock = self.socks[addr]
        input_pipe = self.input_pipes[addr]

        sock.close()
        input_pipe.close()

        self.mtcp.close(addr)

        self.socks[addr] = None
        self.input_pipes[addr] = None
        del self.socks[addr]
        del self.input_pipes[addr]

        return True

    def get_addrs(self):
        return self.socks.keys()

    def get_sock(self, addr):
        if addr not in self.socks:
            return None
        return self.socks[addr]

    def get_pipe(self, addr):
        if addr not in self.input_pipes:
            return None
        return self.input_pipes[addr]

    def read(self):
        return self.output_pipe.read()

    def send(self, addr, message):  #return the input_pipe
        self.sending_lock.acquire()
        if self.socks[addr] == None:
            self.output_pipe.write(message)
            self.sending_lock.release()
            return self.output_pipe
        if addr not in self.input_pipes:
            #print addr, "not in input_pipe"
            self.sending_lock.release()
            return None

        input_pipe = self.input_pipes[addr]
        input_pipe.write(message)
        self.sending_lock.release()
        return input_pipe

    def sendall(self, message):
        return self.broadcast(message)

    def broadcast(self, message):  #return how many message has been sent
        self.sending_lock.acquire()
        #print 'start to broadcast'
        for addr in self.input_pipes.keys():
            #print 'pipe selection'
            pipe = self.input_pipes[addr]
            #print 'end of pipe selection'
            if (self.socks[addr] == None):
                #print 'write to locol'
                self.output_pipe.write(message)
                #print 'write locol succ'
            else:
                try:
                    #print 'pipe write'
                    pipe.write(message)
                    #print 'pipe write succ'
                except:
                    self.sending_lock.release()
                    self.remove_addr(addr)

        self.sending_lock.release()
        #print 'end of broadcast'
        return len(self.input_pipes)

    def get_signal_message(self):
        return self.signal_pipe.read()
Exemple #19
0
class BroadCast():
    def __init__(self): 
        self.output_pipe = PIPE()
        self.signal_pipe = PIPE()

        self.mtcp = MTCP(self.output_pipe, self.signal_pipe)

        self.socks = {} #key=addr, value=socket
        self.input_pipes = {} #key=addr, value=input_pipes

        self.sending_lock = threading.Lock()
    def add_addr(self, addr, sock):
        if addr in self.socks:
            #print addr, "already in the socket list"
            return None# error

        self.socks[addr] = sock

        input_pipe = PIPE()
        self.input_pipes[addr] = input_pipe

        if (sock == None):
            return None
        self.mtcp.new_connect(sock, addr, input_pipe)

    def remove_addr(self, addr):
        #This will send the socket.close()

        if addr not in self.socks:
            #print addr, "not in the socket list"
            return False

        sock = self.socks[addr]
        input_pipe = self.input_pipes[addr]

        sock.close()
        input_pipe.close()

        self.mtcp.close(addr)

        self.socks[addr] = None
        self.input_pipes[addr] = None
        del self.socks[addr]
        del self.input_pipes[addr]

        return True


    def get_addrs(self):
        return self.socks.keys()

    def get_sock(self, addr):
        if addr not in self.socks:
            return None
        return self.socks[addr]

    def get_pipe(self, addr):
        if addr not in self.input_pipes:
            return None
        return self.input_pipes[addr]

    def read(self):
        return self.output_pipe.read()

    def send(self, addr, message): #return the input_pipe
        self.sending_lock.acquire()
        try:
            if self.socks[addr] == None:
                self.output_pipe.write(message)
                self.sending_lock.release()
                return self.output_pipe
            if addr not in self.input_pipes:
                #print addr, "not in input_pipe"
                self.sending_lock.release()
                return None

            input_pipe = self.input_pipes[addr]
            input_pipe.write(message)
        except:
            print 'sending error'
        self.sending_lock.release()
        return None

    def sendall(self,message):
        return self.broadcast(message)
    def broadcast(self, message): #return how many message has been sent
        self.sending_lock.acquire()
        #print 'start to broadcast'
        for addr in self.input_pipes.keys():
            #print 'pipe selection'
            pipe = self.input_pipes[addr]
            #print 'end of pipe selection'
            if (self.socks[addr] == None):
                #print 'write to locol'
                self.output_pipe.write(message)
                #print 'write locol succ'
            else:
                try:
                    #print 'pipe write'
                    pipe.write(message)
                    #print 'pipe write succ'
                except:
                    self.sending_lock.release()
                    self.remove_addr(addr)

        self.sending_lock.release()
        #print 'end of broadcast'
        return len(self.input_pipes)

    def get_signal_message(self):
        return self.signal_pipe.read()
Exemple #20
0
    if sys.argv[1] == "curl_test":
        import os
        os.system("timeout 5 curl localhost:12222&")
        os.system("timeout 2 curl localhost:12222&")
        os.system("sleep 1; timeout 2 curl localhost:12222&")
        time.sleep(5)

    if sys.argv[1] == "client":
        addr = ("localhost", 12222)
        s = socket.socket()
        s.connect(addr)

        signal_pipe = PIPE()
        output_pipe = PIPE()
        input_pipe = PIPE()

        t_signal = read_pipe(signal_pipe)
        t_output = read_pipe(output_pipe)
        t_signal.setDaemon(True)
        t_output.setDaemon(True)
        t_signal.start()
        t_output.start()

        t1 = TSTCP(s, addr, input_pipe, signal_pipe)
        t1.setDaemon(True)
        t1.start()

        t2 = TRTCP(s, addr, output_pipe, signal_pipe)
        t2.setDaemon(True)
        t2.start()