Added Size1 and Size2 options

coapthon/client/coap.py

@@ -75,7 +75,7 @@ class CoAP(object):
             event.set()
         if self._receiver_thread is not None:
             self._receiver_thread.join()
-        self._socket.close()
+        # self._socket.close()
 
     @property
     def current_mid(self):
@@ -290,6 +290,7 @@ class CoAP(object):
                 self._messageLayer.receive_empty(message)
 
         logger.debug("Exiting receiver Thread due to request")
+        self._socket.close()
 
     def _send_ack(self, transaction):
         """

coapthon/defines.py

@@ -124,6 +124,7 @@ class OptionRegistry(object):
     LOCATION_QUERY = OptionItem(20,"Location-Query",STRING,  True, None)
     BLOCK2 =        OptionItem(23, "Block2",        INTEGER, False, None)
     BLOCK1 =        OptionItem(27, "Block1",        INTEGER, False, None)
+    SIZE2 =         OptionItem(28, "Size2",         INTEGER, False, None)
     PROXY_URI =     OptionItem(35, "Proxy-Uri",     STRING,  False, None)
     PROXY_SCHEME =  OptionItem(39, "Proxy-Schema",  STRING,  False, None)
     SIZE1 =         OptionItem(60, "Size1",         INTEGER, False, None)
@@ -147,6 +148,7 @@ class OptionRegistry(object):
         20: LOCATION_QUERY,
         23: BLOCK2,
         27: BLOCK1,
+        28: SIZE2,
         35: PROXY_URI,
         39: PROXY_SCHEME,
         60: SIZE1,

coapthon/forward_proxy/coap.py

@@ -88,19 +88,24 @@ class CoAP(object):
                 # Allow multiple copies of this program on one machine
                 # (not strictly needed)
                 self._socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-                self._socket.bind((defines.ALL_COAP_NODES, self.server_address[1]))
+                self._socket.bind(('', self.server_address[1]))
+
                 mreq = struct.pack("4sl", socket.inet_aton(defines.ALL_COAP_NODES), socket.INADDR_ANY)
                 self._socket.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
                 self._unicast_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
                 self._unicast_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
                 self._unicast_socket.bind(self.server_address)
             else:
+                # Bugfix for Python 3.6 for Windows ... missing IPPROTO_IPV6 constant
+                if not hasattr(socket, 'IPPROTO_IPV6'):
+                    socket.IPPROTO_IPV6 = 41
+
                 self._socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
 
                 # Allow multiple copies of this program on one machine
                 # (not strictly needed)
                 self._socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-                self._socket.bind((defines.ALL_COAP_NODES_IPV6, self.server_address[1]))
+                self._socket.bind(('', self.server_address[1]))
 
                 addrinfo_multicast = socket.getaddrinfo(defines.ALL_COAP_NODES_IPV6, 5683)[0]
                 group_bin = socket.inet_pton(socket.AF_INET6, addrinfo_multicast[4][0])
@@ -159,7 +164,7 @@ class CoAP(object):
         self.stopped.set()
         for event in self.to_be_stopped:
             event.set()
-        self._socket.close()
+        # self._socket.close()
 
     def receive_datagram(self, args):
         """

coapthon/layers/blocklayer.py

@@ -67,7 +67,11 @@ class BlockLayer(object):
             host, port = transaction.request.source
             key_token = hash(str(host) + str(port) + str(transaction.request.token))
             num, m, size = transaction.request.block1
+            if transaction.request.size1 is not None:
+                # What to do if the size1 is larger than the maximum resource size or the maxium server buffer
+                pass
             if key_token in self._block1_receive:
+                # n-th block
                 content_type = transaction.request.content_type
                 if num != self._block1_receive[key_token].num \
                         or content_type != self._block1_receive[key_token].content_type:
@@ -145,6 +149,8 @@ class BlockLayer(object):
             else:
                 item.m = 1
             request.block1 = (item.num, item.m, item.size)
+            # The original request already has this option set
+            # request.size1 = len(item.payload)
         elif transaction.response.block2 is not None:
 
             num, m, size = transaction.response.block2
@@ -225,10 +231,13 @@ class BlockLayer(object):
 
                 self._block2_receive[key_token] = BlockItem(byte, num, m, size)
 
-            if len(transaction.response.payload) > (byte + size):
+            # correct m
-                m = 1
+            m = 0 if ((num * size) + size) > len(transaction.response.payload) else 1
-            else:
+            # add size2 if requested or if payload is bigger than one datagram
-                m = 0
+            del transaction.response.size2
+            if (transaction.request.size2 is not None and transaction.request.size2 == 0) or \
+               (transaction.response.payload is not None and len(transaction.response.payload) > defines.MAX_PAYLOAD):
+                transaction.response.size2 = len(transaction.response.payload)
             transaction.response.payload = transaction.response.payload[byte:byte + size]
             del transaction.response.block2
             transaction.response.block2 = (num, m, size)
@@ -258,7 +267,10 @@ class BlockLayer(object):
                 num = 0
                 m = 1
                 size = defines.MAX_PAYLOAD
-
+            # correct m
+            m = 0 if ((num * size) + size) > len(request.payload) else 1
+            del request.size1
+            request.size1 = len(request.payload)
             self._block1_sent[key_token] = BlockItem(size, num, m, size, request.payload, request.content_type)
             request.payload = request.payload[0:size]
             del request.block1

coapthon/messages/message.py

@@ -641,6 +641,44 @@ class Message(object):
         """
         self.del_option_by_number(defines.OptionRegistry.BLOCK2.number)
 
+    @property
+    def size1(self):
+        value = None
+        for option in self.options:
+            if option.number == defines.OptionRegistry.SIZE1.number:
+                value = option.value if option.value is not None else 0
+        return value
+
+    @size1.setter
+    def size1(self, value):
+        option = Option()
+        option.number = defines.OptionRegistry.SIZE1.number
+        option.value = value
+        self.add_option(option)
+
+    @size1.deleter
+    def size1(self):
+        self.del_option_by_number(defines.OptionRegistry.SIZE1.number)
+
+    @property
+    def size2(self):
+        value = None
+        for option in self.options:
+            if option.number == defines.OptionRegistry.SIZE2.number:
+                value = option.value if option.value is not None else 0
+        return value
+
+    @size2.setter
+    def size2(self, value):
+        option = Option()
+        option.number = defines.OptionRegistry.SIZE2.number
+        option.value = value
+        self.add_option(option)
+
+    @size2.deleter
+    def size2(self):
+        self.del_option_by_number(defines.OptionRegistry.SIZE2.number)
+
     @property
     def line_print(self):
         """

coapthon/reverse_proxy/coap.py

@@ -81,6 +81,8 @@ class CoAP(object):
             # Use given socket, could be a DTLS socket
             self._socket = sock
 
+            self.parse_config()
+
         elif self.multicast:  # pragma: no cover
 
             # Create a socket
@@ -94,19 +96,24 @@ class CoAP(object):
                 # Allow multiple copies of this program on one machine
                 # (not strictly needed)
                 self._socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-                self._socket.bind((defines.ALL_COAP_NODES, self.server_address[1]))
+                self._socket.bind(('', self.server_address[1]))
+
                 mreq = struct.pack("4sl", socket.inet_aton(defines.ALL_COAP_NODES), socket.INADDR_ANY)
                 self._socket.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
                 self._unicast_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
                 self._unicast_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
                 self._unicast_socket.bind(self.server_address)
             else:
+                # Bugfix for Python 3.6 for Windows ... missing IPPROTO_IPV6 constant
+                if not hasattr(socket, 'IPPROTO_IPV6'):
+                    socket.IPPROTO_IPV6 = 41
+
                 self._socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
 
                 # Allow multiple copies of this program on one machine
                 # (not strictly needed)
                 self._socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-                self._socket.bind((defines.ALL_COAP_NODES_IPV6, self.server_address[1]))
+                self._socket.bind(('', self.server_address[1]))
 
                 addrinfo_multicast = socket.getaddrinfo(defines.ALL_COAP_NODES_IPV6, 5683)[0]
                 group_bin = socket.inet_pton(socket.AF_INET6, addrinfo_multicast[4][0])
@@ -251,7 +258,7 @@ class CoAP(object):
         self.stopped.set()
         for event in self.to_be_stopped:
             event.set()
-        self._socket.close()
+        # self._socket.close()
 
     def receive_datagram(self, args):
         """

coverage_test.py

@@ -536,6 +536,27 @@ class Tests(unittest.TestCase):
         print("TEST_GET_BLOCK")
         path = "/big"
 
+        req = Request()
+        req.code = defines.Codes.GET.number
+        req.uri_path = path
+        req.type = defines.Types["CON"]
+        req._mid = self.current_mid
+        req.destination = self.server_address
+        req.payload = None
+        # req.block2 = (0, 0, 512)
+
+        expected = Response()
+        expected.type = defines.Types["ACK"]
+        expected._mid = None
+        expected.code = defines.Codes.CONTENT.number
+        expected.token = None
+        expected.payload = None
+        expected.block2 = (0, 1, defines.MAX_PAYLOAD)
+        expected.size2 = 2041
+
+        exchange0 = (req, expected)
+        self.current_mid += 1
+
         req = Request()
         req.code = defines.Codes.GET.number
         req.uri_path = path
@@ -552,6 +573,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (0, 1, 512)
+        expected.size2 = 2041
 
         exchange1 = (req, expected)
         self.current_mid += 1
@@ -572,6 +594,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (1, 1, 256)
+        expected.size2 = 2041
 
         exchange2 = (req, expected)
         self.current_mid += 1
@@ -592,6 +615,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (2, 1, 128)
+        expected.size2 = 2041
 
         exchange3 = (req, expected)
         self.current_mid += 1
@@ -612,6 +636,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (3, 1, 64)
+        expected.size2 = 2041
 
         exchange4 = (req, expected)
         self.current_mid += 1
@@ -632,6 +657,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (4, 1, 32)
+        expected.size2 = 2041
 
         exchange5 = (req, expected)
         self.current_mid += 1
@@ -652,6 +678,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (5, 1, 16)
+        expected.size2 = 2041
 
         exchange6 = (req, expected)
         self.current_mid += 1
@@ -671,7 +698,8 @@ class Tests(unittest.TestCase):
         expected.code = defines.Codes.CONTENT.number
         expected.token = None
         expected.payload = None
-        expected.block2 = (6, 1, 1024)
+        expected.block2 = (6, 0, 1024)
+        expected.size2 = 2041
 
         exchange7 = (req, expected)
         self.current_mid += 1
@@ -692,11 +720,12 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (7, 0, 1024)
+        expected.size2 = 2041
 
         exchange8 = (req, expected)
         self.current_mid += 1
 
-        self._test_plugtest([exchange1, exchange2, exchange3, exchange4, exchange5, exchange6, exchange7, exchange8])
+        self._test_plugtest([exchange0, exchange1, exchange2, exchange3, exchange4, exchange5, exchange6, exchange7, exchange8])
 
     def test_post_block_big(self):
         print("TEST_POST_BLOCK_BIG")

coverage_test_proxy.py

@@ -31,12 +31,12 @@ class Tests(unittest.TestCase):
         self.queue = Queue()
 
     def tearDown(self):
-        self.server.close()
-        self.server_thread.join(timeout=25)
-        self.server = None
         self.proxy.close()
         self.proxy_thread.join(timeout=25)
         self.proxy = None
+        self.server.close()
+        self.server_thread.join(timeout=25)
+        self.server = None
 
     def _test_with_client(self, message_list):  # pragma: no cover
         client = HelperClient(self.server_address)
@@ -509,6 +509,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (0, 1, 512)
+        expected.size2 = 2041
 
         exchange1 = (req, expected)
         self.current_mid += 1
@@ -529,6 +530,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (1, 1, 256)
+        expected.size2 = 2041
 
         exchange2 = (req, expected)
         self.current_mid += 1
@@ -549,6 +551,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (2, 1, 128)
+        expected.size2 = 2041
 
         exchange3 = (req, expected)
         self.current_mid += 1
@@ -569,6 +572,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (3, 1, 64)
+        expected.size2 = 2041
 
         exchange4 = (req, expected)
         self.current_mid += 1
@@ -589,6 +593,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (4, 1, 32)
+        expected.size2 = 2041
 
         exchange5 = (req, expected)
         self.current_mid += 1
@@ -609,6 +614,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (5, 1, 16)
+        expected.size2 = 2041
 
         exchange6 = (req, expected)
         self.current_mid += 1
@@ -628,7 +634,8 @@ class Tests(unittest.TestCase):
         expected.code = defines.Codes.CONTENT.number
         expected.token = None
         expected.payload = None
-        expected.block2 = (6, 1, 1024)
+        expected.block2 = (6, 0, 1024)
+        expected.size2 = 2041
 
         exchange7 = (req, expected)
         self.current_mid += 1
@@ -649,14 +656,13 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (7, 0, 1024)
+        expected.size2 = 2041
 
         exchange8 = (req, expected)
         self.current_mid += 1
 
         self._test_plugtest([exchange1, exchange2, exchange3, exchange4, exchange5, exchange6, exchange7, exchange8])
 
-        #self._test_plugtest([exchange1])
-
     def test_post_block_big(self):
         print("TEST_POST_BLOCK_BIG")
         req = Request()

coverage_test_reverse_proxy.py

@@ -33,12 +33,12 @@ class Tests(unittest.TestCase):
         self.queue = Queue()
 
     def tearDown(self):
-        self.server.close()
-        self.server_thread.join(timeout=25)
-        self.server = None
         self.proxy.close()
         self.proxy_thread.join(timeout=25)
         self.proxy = None
+        self.server.close()
+        self.server_thread.join(timeout=25)
+        self.server = None
 
     def _test_with_client(self, message_list):  # pragma: no cover
         client = HelperClient(self.server_address)
@@ -560,6 +560,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (0, 1, 512)
+        expected.size2 = 2041
 
         exchange1 = (req, expected)
         self.current_mid += 1
@@ -580,6 +581,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (1, 1, 256)
+        expected.size2 = 2041
 
         exchange2 = (req, expected)
         self.current_mid += 1
@@ -600,6 +602,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (2, 1, 128)
+        expected.size2 = 2041
 
         exchange3 = (req, expected)
         self.current_mid += 1
@@ -620,6 +623,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (3, 1, 64)
+        expected.size2 = 2041
 
         exchange4 = (req, expected)
         self.current_mid += 1
@@ -640,6 +644,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (4, 1, 32)
+        expected.size2 = 2041
 
         exchange5 = (req, expected)
         self.current_mid += 1
@@ -660,6 +665,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (5, 1, 16)
+        expected.size2 = 2041
 
         exchange6 = (req, expected)
         self.current_mid += 1
@@ -679,7 +685,8 @@ class Tests(unittest.TestCase):
         expected.code = defines.Codes.CONTENT.number
         expected.token = None
         expected.payload = None
-        expected.block2 = (6, 1, 1024)
+        expected.block2 = (6, 0, 1024)
+        expected.size2 = 2041
 
         exchange7 = (req, expected)
         self.current_mid += 1
@@ -700,6 +707,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (7, 0, 1024)
+        expected.size2 = 2041
 
         exchange8 = (req, expected)
         self.current_mid += 1

plugtest.py

@@ -566,6 +566,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (0, 1, 1024)
+        expected.size2 = 1990
 
         exchange1 = (req, expected)
         self.current_mid += 1
@@ -586,6 +587,7 @@ class Tests(unittest.TestCase):
         expected.token = None
         expected.payload = None
         expected.block2 = (1, 0, 1024)
+        expected.size2 = 1990
 
         exchange2 = (req, expected)
         self.current_mid += 1
@@ -632,6 +634,7 @@ I say, looked for all the world like a strip of that same patchwork quilt. Indee
  when I first awoke, I could hardly tell it from the quilt, they so blended their hues together; and it was only by
  the sense of weight and pressure that I could tell that Queequeg was hugging"""
         expected.block2 = (1, 0, 1024)
+        expected.size2 = 1990
 
         exchange1 = (req, expected)
         self.current_mid += 1
@@ -677,6 +680,7 @@ I say, looked for all the world like a strip of that same patchwork quilt. Indee
  when I first awoke, I could hardly tell it from the quilt, they so blended their hues together; and it was only by
  the sense of weight and pressure that I could tell that Queequeg was hugging"""
         expected.block2 = (1, 0, 1024)
+        expected.size2 = 1990
 
         exchange1 = (req, expected)
         self.current_mid += 1
@@ -702,6 +706,7 @@ I say, looked for all the world like a strip of that same patchwork quilt. Indee
         expected.token = None
         expected.payload = None
         expected.block2 = (0, 1, 1024)
+        expected.size2 = 1990
 
         exchange1 = (req, expected)
         self.current_mid += 1
@@ -722,6 +727,7 @@ I say, looked for all the world like a strip of that same patchwork quilt. Indee
         expected.token = None
         expected.payload = None
         expected.block2 = (1, 0, 1024)
+        expected.size2 = 1990
 
         exchange2 = (req, expected)
         self.current_mid += 1

setup.py

@@ -3,14 +3,29 @@ from distutils.core import setup
 setup(
     name='CoAPthon3',
     version='1.0.1',
-    packages=['coapthon', 'coapthon.caching', 'coapthon.layers', 'coapthon.client', 'coapthon.server', 'coapthon.messages',
+    packages=[
-              'coapthon.forward_proxy', 'coapthon.resources', 'coapthon.reverse_proxy'],
+        'coapthon',
+        'coapthon.caching',
+        'coapthon.client',
+        'coapthon.forward_proxy',
+        'coapthon.layers',
+        'coapthon.messages',
+        'coapthon.resources',
+        'coapthon.reverse_proxy',
+        'coapthon.server',
+    ],
     url='https://github.com/Tanganelli/CoAPthon3',
     license='MIT License',
     author='Giacomo Tanganelli',
     author_email='giacomo.tanganelli@for.unipi.it',
     download_url='https://github.com/Tanganelli/CoAPthon3/archive/1.0.1.tar.gz',
     description='CoAPthon is a python library to the CoAP protocol. ',
-    scripts=['coapserver.py', 'coapclient.py', 'exampleresources.py', 'coapforwardproxy.py', 'coapreverseproxy.py'],
+    scripts=[
+        'coapclient.py',
+        'coapforwardproxy.py',
+        'coapreverseproxy.py',
+        'coapserver.py',
+        'exampleresources.py',
+    ],
     requires=['sphinx', 'cachetools']
 )