Python socket.sendall() Examples

def escape(self, data):
        """\
        This generator function is for the user. All outgoing data has to be
        properly escaped, so that no IAC character in the data stream messes up
        the Telnet state machine in the server.

        socket.sendall(escape(data))
        """
        for byte in iterbytes(data):
            if byte == IAC:
                yield IAC
                yield IAC
            else:
                yield byte

    # - incoming data filter 

def escape(self, data):
        """\
        This generator function is for the user. All outgoing data has to be
        properly escaped, so that no IAC character in the data stream messes up
        the Telnet state machine in the server.

        socket.sendall(escape(data))
        """
        for byte in iterbytes(data):
            if byte == IAC:
                yield IAC
                yield IAC
            else:
                yield byte

    # - incoming data filter 

def should_block_on_frame(self, frame):
        if not should_debug_code(frame.f_code):
            return False
        # It is still possible that we're somewhere in standard library code, but that code was invoked by our
        # internal debugger machinery (e.g. socket.sendall or text encoding while tee'ing print output to VS).
        # We don't want to block on any of that, either, so walk the stack and see if we hit debugger frames
        # at some point below the non-debugger ones.
        while frame is not None:
            # There is usually going to be a debugger frame at the very bottom of the stack - the one that
            # invoked user code on this thread when starting debugging. If we reached that, then everything
            # above is user code, so we know that we do want to block here.
            if frame.f_code in DEBUG_ENTRYPOINTS:
                break
            # Otherwise, check if it's some other debugger code.
            filename = path.normcase(frame.f_code.co_filename)
            is_debugger_frame = False
            for debugger_file in DONT_DEBUG:
                if is_same_py_file(filename, debugger_file):
                    # If it is, then the frames above it on the stack that we have just walked through
                    # were for debugger internal purposes, and we do not want to block here.
                    return False
            frame = frame.f_back
        return True 

def send_and_receive(self, socket, stream, save_cookies=False):
		res = []
		i = socket.sendall(self.serialize())
		if self.method == AjpForwardRequest.POST:
			return res

		r = AjpResponse.receive(stream)
		assert r.prefix_code == AjpResponse.SEND_HEADERS
		res.append(r)
		if save_cookies and 'Set-Cookie' in r.response_headers:
			self.headers['SC_REQ_COOKIE'] = r.response_headers['Set-Cookie']

		# read body chunks and end response packets
		while True:
			r = AjpResponse.receive(stream)
			res.append(r)
			if r.prefix_code == AjpResponse.END_RESPONSE:
				break
			elif r.prefix_code == AjpResponse.SEND_BODY_CHUNK:
				continue
			else:
				raise NotImplementedError
				break

		return res 

def send_and_receive(self, socket, stream, save_cookies=False):
		res = []
		i = socket.sendall(self.serialize())
		if self.method == AjpForwardRequest.POST:
			return res

		r = AjpResponse.receive(stream)
		assert r.prefix_code == AjpResponse.SEND_HEADERS
		res.append(r)
		if save_cookies and 'Set-Cookie' in r.response_headers:
			self.headers['SC_REQ_COOKIE'] = r.response_headers['Set-Cookie']

		# read body chunks and end response packets
		while True:
			r = AjpResponse.receive(stream)
			res.append(r)
			if r.prefix_code == AjpResponse.END_RESPONSE:
				break
			elif r.prefix_code == AjpResponse.SEND_BODY_CHUNK:
				continue
			else:
				raise NotImplementedError
				break

		return res 

def escape(self, data):
        """\
        this generator function is for the user. all outgoing data has to be
        properly escaped, so that no IAC character in the data stream messes up
        the Telnet state machine in the server.

        socket.sendall(escape(data))
        """
        for byte in data:
            if byte == IAC:
                yield IAC
                yield IAC
            else:
                yield byte

    # - incoming data filter 

def write(self, data):
        """\
        Output the given string over the serial port. Can block if the
        connection is blocked. May raise SerialException if the connection is
        closed.
        """
        if not self._isOpen: raise portNotOpenError
        self._write_lock.acquire()
        try:
            try:
                self._socket.sendall(to_bytes(data).replace(IAC, IAC_DOUBLED))
            except socket.error, e:
                raise SerialException("connection failed (socket error): %s" % e) # XXX what exception if socket connection fails
        finally:
            self._write_lock.release()
        return len(data) 

def send_and_receive(self, socket, stream, save_cookies=False):
        res = []
        i = socket.sendall(self.serialize())
        if self.method == AjpForwardRequest.POST:
            return res

        r = AjpResponse.receive(stream)
        assert r.prefix_code == AjpResponse.SEND_HEADERS
        res.append(r)
        if save_cookies and 'Set-Cookie' in r.response_headers:
            self.headers['SC_REQ_COOKIE'] = r.response_headers['Set-Cookie']

        # read body chunks and end response packets
        while True:
            r = AjpResponse.receive(stream)
            res.append(r)
            if r.prefix_code == AjpResponse.END_RESPONSE:
                break
            elif r.prefix_code == AjpResponse.SEND_BODY_CHUNK:
                continue
            else:
                raise NotImplementedError
                break

        return res 

def write(self, data):
        """\
        Output the given string over the serial port. Can block if the
        connection is blocked. May raise SerialException if the connection is
        closed.
        """
        if not self._isOpen: raise portNotOpenError
        self._write_lock.acquire()
        try:
            try:
                self._socket.sendall(to_bytes(data).replace(IAC, IAC_DOUBLED))
            except socket.error, e:
                raise SerialException("connection failed (socket error): %s" % e) # XXX what exception if socket connection fails
        finally:
            self._write_lock.release()
        return len(data) 

def should_block_on_frame(self, frame):
        if not should_debug_code(frame.f_code):
            return False
        # It is still possible that we're somewhere in standard library code, but that code was invoked by our
        # internal debugger machinery (e.g. socket.sendall or text encoding while tee'ing print output to VS).
        # We don't want to block on any of that, either, so walk the stack and see if we hit debugger frames
        # at some point below the non-debugger ones.
        while frame is not None:
            # There is usually going to be a debugger frame at the very bottom of the stack - the one that
            # invoked user code on this thread when starting debugging. If we reached that, then everything
            # above is user code, so we know that we do want to block here.
            if frame.f_code in DEBUG_ENTRYPOINTS:
                break
            # Otherwise, check if it's some other debugger code.
            filename = path.normcase(frame.f_code.co_filename)
            is_debugger_frame = False
            for debugger_file in DONT_DEBUG:
                if is_same_py_file(filename, debugger_file):
                    # If it is, then the frames above it on the stack that we have just walked through
                    # were for debugger internal purposes, and we do not want to block here.
                    return False
            frame = frame.f_back
        return True 

def escape(self, data):
        """\
        this generator function is for the user. all outgoing data has to be
        properly escaped, so that no IAC character in the data stream messes up
        the Telnet state machine in the server.

        socket.sendall(escape(data))
        """
        for byte in data:
            if byte == IAC:
                yield IAC
                yield IAC
            else:
                yield byte

    # - incoming data filter 

def should_block_on_frame(self, frame):
        if not should_debug_code(frame.f_code):
            return False
        # It is still possible that we're somewhere in standard library code, but that code was invoked by our
        # internal debugger machinery (e.g. socket.sendall or text encoding while tee'ing print output to VS).
        # We don't want to block on any of that, either, so walk the stack and see if we hit debugger frames
        # at some point below the non-debugger ones.
        while frame is not None:
            # There is usually going to be a debugger frame at the very bottom of the stack - the one that
            # invoked user code on this thread when starting debugging. If we reached that, then everything
            # above is user code, so we know that we do want to block here.
            if frame.f_code in DEBUG_ENTRYPOINTS:
                break
            # Otherwise, check if it's some other debugger code.
            filename = path.normcase(frame.f_code.co_filename)
            is_debugger_frame = False
            for debugger_file in DONT_DEBUG:
                if is_same_py_file(filename, debugger_file):
                    # If it is, then the frames above it on the stack that we have just walked through
                    # were for debugger internal purposes, and we do not want to block here.
                    return False
            frame = frame.f_back
        return True 

def should_block_on_frame(self, frame):
        if not should_debug_code(frame.f_code):
            return False
        # It is still possible that we're somewhere in standard library code, but that code was invoked by our
        # internal debugger machinery (e.g. socket.sendall or text encoding while tee'ing print output to VS).
        # We don't want to block on any of that, either, so walk the stack and see if we hit debugger frames
        # at some point below the non-debugger ones.
        while frame is not None:
            # There is usually going to be a debugger frame at the very bottom of the stack - the one that
            # invoked user code on this thread when starting debugging. If we reached that, then everything
            # above is user code, so we know that we do want to block here.
            if frame.f_code in DEBUG_ENTRYPOINTS:
                break
            # Otherwise, check if it's some other debugger code.
            filename = path.normcase(frame.f_code.co_filename)
            is_debugger_frame = False
            for debugger_file in DONT_DEBUG:
                if is_same_py_file(filename, debugger_file):
                    # If it is, then the frames above it on the stack that we have just walked through
                    # were for debugger internal purposes, and we do not want to block here.
                    return False
            frame = frame.f_back
        return True 

def client(ip, port, message):
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.connect((ip, port))
    try:
        sock.sendall(message)
        response = sock.recv(1024).encode
        print ("Received: {}".format(response))
    finally:
        sock.close() 

def _send_error_response(rpc_session, socket, request, emsg):
    response = rpc_session.create_error_response(request[RPC_IDX_MSG_ID],
                                                 str(emsg))
    socket.sendall(response)


# Network controller singleton 

def sendMRLCOMMMsg(self, method, value):
    socket = bpy.mrl.virtualDevices[self.name].serialHandler.request
    print("sending bytes")
    print(bytes([170, method, 1, value]))
    # MRLCOMM PROTOCOL
    # MAGIC_NUMBER|NUM_BYTES|FUNCTION|DATA0|DATA1|....|DATA(N)
    #              NUM_BYTES - is the number of bytes after NUM_BYTES to the end
    
    socket.sendall(bytes([170, 2, method, value])) 

def attach(name, type):
  global readyToAttach
  # adding name an type to new virtual device
  newDevice = VirtualDevice(name, type)
  # constructing the correct type
  newDevice.service = eval(type + "('" + name + "')")
  bpy.mrl.virtualDevices[name] = newDevice
  readyToAttach = name
  print("onAttach " + str(name) + " " + str(type) + " SUCCESS - ready for serial connection")
  # print("<--- sending control onAttach(" + str(name) + ")")
  # control.request.sendall(createJsonMsg("onAttach", name))
  return name 

def onError(msg):
  print(msg)
  request = bpy.mrl.control.request
  request.sendall(createJsonMsg("onError", msg)) 

def _send_raw(self, websocket_message):
        logger.debug('send raw: %s', websocket_message)
        self.socket.sendall(websocket_message) 

def output(self, output_list):
        """Create a socket stream and send the payload as output."""
        separator = output_common.get_separator(self.options['separator'], self._SEPARATORS)
        line = separator.join([self.convert_item(item) for item in output_list])
        if self.options['final_separator']:
            line += separator
        protocol = Socket._VERSIONS[self.options['ip_version']]
        # TODO: handle exceptions?
        s = socket.socket(protocol, socket.SOCK_STREAM)
        s.connect((self.options['host'], self.options['port']))
        if self.options['await_banner']:
            s.recv(Socket._BANNER_LENGTH)
        s.sendall(line)
        s.close() 

def onError(msg):
  print(msg)
  request = bpy.mrl.control.request
  request.sendall(createJsonMsg("onError", msg)) 

def sendMRLCOMMMsg(self, method, value):
    socket = bpy.mrl.virtualDevices[self.name].serialHandler.request
    print("sending bytes")
    print(bytes([170, method, 1, value]))
    # MRLCOMM PROTOCOL
    # MAGIC_NUMBER|NUM_BYTES|FUNCTION|DATA0|DATA1|....|DATA(N)
    #              NUM_BYTES - is the number of bytes after NUM_BYTES to the end
    
    socket.sendall(bytes([170, 2, method, value])) 

def client(ip, port, message):
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.connect((ip, port))
    try:
        sock.sendall(message)
        response = sock.recv(1024).encode
        print ("Received: {}".format(response))
    finally:
        sock.close() 

def send_progress(socket, min, max, current):
    if socket:
        s = "p:min={},max={},current={}\n".format(min, max, current)
        try:
            r = socket.sendall(s)
        except:
            print("Error sending progress information") 

def write(self, data):
        """\
        Output the given byte string over the serial port. Can block if the
        connection is blocked. May raise SerialException if the connection is
        closed.
        """
        if not self.is_open:
            raise portNotOpenError
        # XXX use protocol_socket's write
        with self._write_lock:
            try:
                self._socket.sendall(to_bytes(data).replace(IAC, IAC_DOUBLED))
            except socket.error as e:
                raise SerialException("connection failed (socket error): {}".format(e))
        return len(data) 

def _internal_raw_write(self, data):
        """internal socket write with no data escaping. used to send telnet stuff."""
        with self._write_lock:
            self._socket.sendall(data) 

def send_data(data, socket, timeout=None):
    if timeout is not None and timeout < 0:
        raise Exception("Timeout cannot be lower than 0")
    msg = pickle.dumps(data)
    msg = bytes(f"{len(msg):<{HEADERSIZE}}", 'utf-8') + msg
    socket.settimeout(timeout)
    socket.sendall(msg) 

def _sendall(self, msg):
        return self._sock_wrap(self._socket.sendall)(msg) 

def write(self, data):
        """\
        Output the given byte string over the serial port. Can block if the
        connection is blocked. May raise SerialException if the connection is
        closed.
        """
        if not self.is_open:
            raise portNotOpenError
        with self._write_lock:
            try:
                self._socket.sendall(to_bytes(data).replace(IAC, IAC_DOUBLED))
            except socket.error as e:
                raise SerialException("connection failed (socket error): {}".format(e))
        return len(data) 

def _internal_raw_write(self, data):
        """internal socket write with no data escaping. used to send telnet stuff."""
        with self._write_lock:
            self._socket.sendall(data)