tests: Separate test files from Ryu module

To prevent redundant files (e.g., pcap files, json files for tests,
packet data generator) to be installed, this patch separates test
directory from Ryu module.

Signed-off-by: IWASE Yusuke <iwase.yusuke0@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

1 files changed, 127 insertions, 0 deletions

diff --git a/tests/mininet/l2/mpls/test_mpls.py b/tests/mininet/l2/mpls/test_mpls.py
new file mode 100644
index 00000000..3090a08c
--- /dev/null
+++ b/tests/mininet/l2/mpls/test_mpls.py
@@ -0,0 +1,127 @@
+# Copyright (C) 2012 Nippon Telegraph and Telephone Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import logging
+import struct
+
+from ryu.base import app_manager
+from ryu.controller import ofp_event
+from ryu.controller import dpset
+from ryu.controller.handler import MAIN_DISPATCHER
+from ryu.controller.handler import set_ev_cls
+from ryu.ofproto import ofproto_v1_2
+from ryu.ofproto import ether
+from ryu.lib.mac import haddr_to_str
+
+
+LOG = logging.getLogger(__name__)
+
+
+class RunTestMininet(app_manager.RyuApp):
+
+    _CONTEXTS = {'dpset': dpset.DPSet}
+    OFP_VERSIONS = [ofproto_v1_2.OFP_VERSION]
+
+    def __init__(self, *args, **kwargs):
+        super(RunTestMininet, self).__init__(*args, **kwargs)
+
+    def _add_flow(self, dp, match, actions):
+        inst = [dp.ofproto_parser.OFPInstructionActions(
+            dp.ofproto.OFPIT_APPLY_ACTIONS, actions)]
+
+        mod = dp.ofproto_parser.OFPFlowMod(
+            dp, cookie=0, cookie_mask=0, table_id=0,
+            command=dp.ofproto.OFPFC_ADD, idle_timeout=0, hard_timeout=0,
+            priority=0xff, buffer_id=0xffffffff,
+            out_port=dp.ofproto.OFPP_ANY, out_group=dp.ofproto.OFPG_ANY,
+            flags=0, match=match, instructions=inst)
+
+        dp.send_msg(mod)
+
+    def _define_flow(self, dp):
+        in_port = 1
+        out_port = 2
+
+        eth_IP = ether.ETH_TYPE_IP
+        eth_MPLS = ether.ETH_TYPE_MPLS
+
+        # MPLS(80) -> PopMPLS
+        LOG.debug("--- add_flow PopMPLS")
+        m_label = 80
+        match = dp.ofproto_parser.OFPMatch()
+        match.set_in_port(in_port)
+        match.set_dl_type(eth_MPLS)
+        match.set_mpls_label(m_label)
+        actions = [dp.ofproto_parser.OFPActionPopMpls(eth_IP),
+                   dp.ofproto_parser.OFPActionOutput(out_port, 0)]
+        self._add_flow(dp, match, actions)
+
+        # IP -> PushMPLS(90)
+        LOG.debug("--- add_flow PushMPLS")
+        s_label = 90
+        match = dp.ofproto_parser.OFPMatch()
+        match.set_in_port(in_port)
+        match.set_dl_type(eth_IP)
+        f = dp.ofproto_parser.OFPMatchField.make(
+            dp.ofproto.OXM_OF_MPLS_LABEL, s_label)
+        actions = [dp.ofproto_parser.OFPActionPushMpls(eth_MPLS),
+                   dp.ofproto_parser.OFPActionSetField(f),
+                   dp.ofproto_parser.OFPActionOutput(out_port, 0)]
+        self._add_flow(dp, match, actions)
+
+        # MPLS(100) -> PushMPLS(200)
+        LOG.debug("--- add_flow PushMPLS")
+        m_label = 100
+        s_label = 200
+        match = dp.ofproto_parser.OFPMatch()
+        match.set_in_port(in_port)
+        match.set_dl_type(eth_MPLS)
+        match.set_mpls_label(m_label)
+        f = dp.ofproto_parser.OFPMatchField.make(
+            dp.ofproto.OXM_OF_MPLS_LABEL, s_label)
+        actions = [dp.ofproto_parser.OFPActionPushMpls(eth_MPLS),
+                   dp.ofproto_parser.OFPActionSetField(f),
+                   dp.ofproto_parser.OFPActionOutput(out_port, 0)]
+        self._add_flow(dp, match, actions)
+
+        # MPLS(1000):MPLS -> PopMPLS
+        # LOG.debug("--- add_flow PopMPLS")
+        # SKIP: ovs not supported
+        m_label = 1000
+        match = dp.ofproto_parser.OFPMatch()
+        match.set_in_port(in_port)
+        match.set_dl_type(eth_MPLS)
+        match.set_mpls_label(m_label)
+        actions = [dp.ofproto_parser.OFPActionPopMpls(eth_MPLS),
+                   dp.ofproto_parser.OFPActionOutput(out_port, 0)]
+        # self._add_flow(dp, match, actions)
+
+    @set_ev_cls(dpset.EventDP, dpset.DPSET_EV_DISPATCHER)
+    def handler_datapath(self, ev):
+        if ev.enter:
+            self._define_flow(ev.dp)
+
+    @set_ev_cls(ofp_event.EventOFPPacketIn, MAIN_DISPATCHER)
+    def packet_in_handler(self, ev):
+        msg = ev.msg
+        dst, src, eth_type = struct.unpack_from('!6s6sH', buffer(msg.data), 0)
+        in_port = msg.match.fields[0].value
+
+        LOG.info("----------------------------------------")
+        LOG.info("* PacketIn")
+        LOG.info("in_port=%d, eth_type: %s", in_port, hex(eth_type))
+        LOG.info("packet reason=%d buffer_id=%d", msg.reason, msg.buffer_id)
+        LOG.info("packet in datapath_id=%s src=%s dst=%s",
+                 msg.datapath.id, haddr_to_str(src), haddr_to_str(dst))