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authorOle Troan <ot@cisco.com>2018-06-22 11:32:12 +0200
committerFlorin Coras <florin.coras@gmail.com>2018-06-25 20:19:40 +0000
commit381e9a90748bb659f56081123052e3e95501a4b4 (patch)
treefbc166ecf8637b8b9ea262f3ac4181396149d534 /src/plugins/examples
parente4d5a652a392c9f74501da5778a7fe161b183476 (diff)
MAP: Move MAP-E/T to a plugin.
Only remaining traces of MAP in the src/vnet is now in buffer.h. Awaiting a new buffer opaque API (hint, hint). Change-Id: Ie165561484731f1d7ed6e0f604b43624e06db3f0 Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/plugins/examples')
-rwxr-xr-xsrc/plugins/examples/gen-rules.py186
-rw-r--r--src/plugins/examples/health_check.c109
-rwxr-xr-xsrc/plugins/examples/test_map.py141
3 files changed, 436 insertions, 0 deletions
diff --git a/src/plugins/examples/gen-rules.py b/src/plugins/examples/gen-rules.py
new file mode 100755
index 00000000000..7964aa9a359
--- /dev/null
+++ b/src/plugins/examples/gen-rules.py
@@ -0,0 +1,186 @@
+#!/usr/bin/env python3
+
+# Copyright (c) 2015 Cisco and/or its affiliates.
+# 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 ipaddress
+import argparse
+import sys
+
+# map add domain ip4-pfx <pfx> ip6-pfx ::/0 ip6-src <ip6-src> ea-bits-len 0 psid-offset 6 psid-len 6
+# map add rule index <0> psid <psid> ip6-dst <ip6-dst>
+
+def_ip4_pfx = '192.0.2.0/24'
+def_ip6_pfx = '2001:db8::/32'
+def_ip6_src = '2001:db8::1'
+def_psid_offset = 6
+def_psid_len = 6
+def_ea_bits_len = 0
+
+parser = argparse.ArgumentParser(description='MAP VPP configuration generator')
+parser.add_argument('-t', action="store", dest="mapmode")
+parser.add_argument('-f', action="store", dest="format", default="vpp")
+parser.add_argument('--ip4-prefix', action="store", dest="ip4_pfx", default=def_ip4_pfx)
+parser.add_argument('--ip6-prefix', action="store", dest="ip6_pfx", default=def_ip6_pfx)
+parser.add_argument('--ip6-src', action="store", dest="ip6_src", default=def_ip6_src)
+parser.add_argument('--psid-len', action="store", dest="psid_len", default=def_psid_len)
+parser.add_argument('--psid-offset', action="store", dest="psid_offset", default=def_psid_offset)
+parser.add_argument('--ea-bits-len', action="store", dest="ea_bits_len", default=def_ea_bits_len)
+args = parser.parse_args()
+
+#
+# Print domain
+#
+def domain_print(i, ip4_pfx, ip6_pfx, ip6_src, eabits_len, psid_offset, psid_len):
+ if format == 'vpp':
+ print("map add domain ip4-pfx " + ip4_pfx + " ip6-pfx", ip6_pfx, "ip6-src " + ip6_src +
+ " ea-bits-len", eabits_len, "psid-offset", psid_offset, "psid-len", psid_len)
+ if format == 'confd':
+ print("vpp softwire softwire-instances softwire-instance", i, "br-ipv6 " + ip6_src +
+ " ipv6-prefix " + ip6_pfx + " ipv4-prefix " + ip4_pfx +
+ " ea-bits-len", eabits_len, "psid-offset", psid_offset, "psid-len", psid_len)
+ if format == 'xml':
+ print("<softwire-instance>")
+ print("<id>", i, "</id>");
+ print(" <br-ipv6>" + ip6_src + "</br-ipv6>")
+ print(" <ipv6-prefix>" + ip6_pfx + "</ipv6-prefix>")
+ print(" <ipv4-prefix>" + ip4_pfx + "</ipv4-prefix>")
+ print(" <ea-len>", eabits_len, "</ea-len>")
+ print(" <psid-len>", psid_len, "</psid-len>")
+ print(" <psid-offset>", psid_offset, "</psid-offset>")
+
+def domain_print_end():
+ if format == 'xml':
+ print("</softwire-instance>")
+
+def rule_print(i, psid, dst):
+ if format == 'vpp':
+ print("map add rule index", i, "psid", psid, "ip6-dst", dst)
+ if format == 'confd':
+ print("binding", psid, "ipv6-addr", dst)
+ if format == 'xml':
+ print(" <binding>")
+ print(" <psid>", psid, "</psid>")
+ print(" <ipv6-addr>", dst, "</ipv6-addr>")
+ print(" </binding>")
+
+#
+# Algorithmic mapping Shared IPv4 address
+#
+def algo(ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, psid_len, ip6_src_ecmp = False):
+ domain_print(0, ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, psid_len)
+ domain_print_end()
+
+#
+# 1:1 Full IPv4 address
+#
+def lw46(ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, psid_len, ip6_src_ecmp = False):
+ ip4_pfx = ipaddress.ip_network(ip4_pfx_str)
+ ip6_src = ipaddress.ip_address(ip6_src_str)
+ ip6_dst = ipaddress.ip_network(ip6_pfx_str)
+ psid_len = 0
+ mod = ip4_pfx.num_addresses / 1024
+
+ for i in range(ip4_pfx.num_addresses):
+ domain_print(i, str(ip4_pfx[i]) + "/32", str(ip6_dst[i]) + "/128", str(ip6_src), 0, 0, 0)
+ domain_print_end()
+ if ip6_src_ecmp and not i % mod:
+ ip6_src = ip6_src + 1
+
+#
+# 1:1 Shared IPv4 address, shared BR (16) VPP CLI
+#
+def lw46_shared(ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, psid_len, ip6_src_ecmp = False):
+ ip4_pfx = ipaddress.ip_network(ip4_pfx_str)
+ ip6_src = ipaddress.ip_address(ip6_src_str)
+ ip6_dst = ipaddress.ip_network(ip6_pfx_str)
+ mod = ip4_pfx.num_addresses / 1024
+
+ for i in range(ip4_pfx.num_addresses):
+ domain_print(i, str(ip4_pfx[i]) + "/32", "::/0", str(ip6_src), 0, 0, psid_len)
+ for psid in range(0x1 << int(psid_len)):
+ rule_print(i, psid, str(ip6_dst[(i * (0x1<<int(psid_len))) + psid]))
+ domain_print_end()
+ if ip6_src_ecmp and not i % mod:
+ ip6_src = ip6_src + 1
+
+
+#
+# 1:1 Shared IPv4 address, shared BR
+#
+def lw46_shared_b(ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, psid_len, ip6_src_ecmp = False):
+ ip4_pfx = ipaddress.ip_network(ip4_pfx_str)
+ ip6_src = ipaddress.ip_address(ip6_src_str)
+ ip6_dst = list(ipaddress.ip_network(ip6_pfx_str).subnets(new_prefix=56))
+ mod = ip4_pfx.num_addresses / 1024
+
+ for i in range(ip4_pfx.num_addresses):
+ domain_print(i, str(ip4_pfx[i]) + "/32", "::/0", str(ip6_src), 0, 0, psid_len)
+ for psid in range(0x1 << psid_len):
+ enduserprefix = list(ip6_dst.pop(0).subnets(new_prefix=64))[255-1]
+ rule_print(i, psid, enduserprefix[(i * (0x1<<psid_len)) + psid])
+ domain_print_end()
+ if ip6_src_ecmp and not i % mod:
+ ip6_src = ip6_src + 1
+
+
+def xml_header_print():
+ print('''
+<?xml version="1.0" encoding="UTF-8"?>
+ <hello xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
+ <capabilities>
+ <capability>urn:ietf:params:netconf:base:1.0</capability>
+ </capabilities>
+ </hello>
+]]>]]>
+
+<?xml version="1.0" encoding="UTF-8"?>
+ <rpc xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" message-id="1">
+ <edit-config>
+ <target>
+ <candidate/>
+ </target>
+ <config>
+
+ <vpp xmlns="http://www.cisco.com/yang/cisco-vpp">
+ <softwire>
+ <softwire-instances>
+
+ ''')
+
+def xml_footer_print():
+ print('''
+</softwire-instances>
+</softwire>
+</vpp>
+ </config>
+ </edit-config>
+ </rpc>
+
+]]>]]>
+
+<?xml version="1.0" encoding="UTF-8"?>
+ <rpc xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" message-id="2">
+ <close-session/>
+ </rpc>
+
+]]>]]>
+ ''')
+
+
+format = args.format
+if format == 'xml':
+ xml_header_print()
+globals()[args.mapmode](args.ip4_pfx, args.ip6_pfx, args.ip6_src, args.ea_bits_len, args.psid_offset, args.psid_len)
+if format == 'xml':
+ xml_footer_print()
diff --git a/src/plugins/examples/health_check.c b/src/plugins/examples/health_check.c
new file mode 100644
index 00000000000..5f0d85fec08
--- /dev/null
+++ b/src/plugins/examples/health_check.c
@@ -0,0 +1,109 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <netinet/ip_icmp.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+#include <stdbool.h>
+#include <errno.h>
+
+static void
+usage (void) {
+ fprintf(stderr,
+ "Usage: health_check"
+ " -d debug"
+ " -I interface"
+ "\n");
+ exit(2);
+}
+
+int
+main (int argc, char **argv)
+{
+ int sd, ch;
+ uint8_t *opt, *pkt;
+ struct ifreq ifr;
+ char *interface = NULL;
+ bool debug = false;
+
+ while ((ch = getopt(argc, argv, "h?" "I:" "d")) != EOF) {
+ switch(ch) {
+ case 'I':
+ interface = optarg;
+ break;
+ case 'd':
+ debug = true;
+ break;
+ default:
+ usage();
+ break;
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (!interface)
+ usage();
+
+ /* Request a socket descriptor sd. */
+ if ((sd = socket (AF_INET6, SOCK_RAW, IPPROTO_IPIP)) < 0) {
+ perror ("Failed to get socket descriptor ");
+ exit (EXIT_FAILURE);
+ }
+
+ memset(&ifr, 0, sizeof(ifr));
+ snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s", interface);
+
+ /* Bind socket to interface of this node. */
+ if (setsockopt (sd, SOL_SOCKET, SO_BINDTODEVICE, (void *) &ifr, sizeof (ifr)) < 0) {
+ perror ("SO_BINDTODEVICE failed");
+ exit (EXIT_FAILURE);
+ }
+ if (debug) printf("Binding to interface %s\n", interface);
+
+ while (1) {
+ struct sockaddr_in6 src_addr;
+ socklen_t addrlen = sizeof(src_addr);
+ char source[INET6_ADDRSTRLEN+1];
+ int len;
+ uint8_t inpack[IP_MAXPACKET];
+
+ if ((len = recvfrom(sd, inpack, sizeof(inpack), 0, (struct sockaddr *)&src_addr, &addrlen)) < 0) {
+ perror("recvfrom failed ");
+ }
+ if (inet_ntop(AF_INET6, &src_addr.sin6_addr, source, INET6_ADDRSTRLEN) == NULL) {
+ perror("inet_ntop() failed.");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Reply */
+ struct iphdr *ip = (struct iphdr *)inpack;
+ uint32_t saddr;
+ struct icmphdr *icmp;
+
+ saddr = ip->saddr;
+ ip->saddr = ip->daddr;
+ ip->daddr = saddr;
+
+ switch (ip->protocol) {
+ case 1:
+ if (debug) printf ("ICMP Echo request from %s\n", source);
+ icmp = (struct icmphdr *)&ip[1];
+ icmp->type = ICMP_ECHOREPLY;
+ break;
+ default:
+ fprintf(stderr, "Unsupported protocol %d", ip->protocol);
+ }
+ if (len = sendto(sd, inpack, len, 0, (struct sockaddr *)&src_addr, addrlen) < 0) {
+ perror("sendto failed ");
+ }
+ }
+
+ close (sd);
+
+ return (EXIT_SUCCESS);
+}
diff --git a/src/plugins/examples/test_map.py b/src/plugins/examples/test_map.py
new file mode 100755
index 00000000000..21388d49526
--- /dev/null
+++ b/src/plugins/examples/test_map.py
@@ -0,0 +1,141 @@
+#!/usr/bin/env python
+
+import time,argparse,sys,cmd, unittest
+from ipaddress import *
+
+parser = argparse.ArgumentParser(description='VPP MAP test')
+parser.add_argument('-i', nargs='*', action="store", dest="inputdir")
+args = parser.parse_args()
+
+for dir in args.inputdir:
+ sys.path.append(dir)
+from vpp_papi import *
+
+#
+# 1:1 Shared IPv4 address, shared BR (16) VPP CLI
+#
+def lw46_shared(ip4_pfx_str, ip6_pfx_str, ip6_src_str, ea_bits_len, psid_offset, psid_len, ip6_src_ecmp = False):
+ ip4_pfx = ip_network(ip4_pfx_str)
+ ip6_src = ip_address(ip6_src_str)
+ ip6_dst = ip_network(ip6_pfx_str)
+ ip6_nul = IPv6Address(u'0::0')
+ mod = ip4_pfx.num_addresses / 1024
+
+ for i in range(ip4_pfx.num_addresses):
+ a = time.clock()
+ t = map_add_domain(0, ip6_nul.packed, ip4_pfx[i].packed, ip6_src.packed, 0, 32, 128, ea_bits_len, psid_offset, psid_len, 0, 0)
+ #print "Return from map_add_domain", t
+ if t == None:
+ print "map_add_domain failed"
+ continue
+ if t.retval != 0:
+ print "map_add_domain failed", t
+ continue
+ for psid in range(0x1 << int(psid_len)):
+ r = map_add_del_rule(0, t.index, 1, (ip6_dst[(i * (0x1<<int(psid_len))) + psid]).packed, psid)
+ #print "Return from map_add_del_rule", r
+
+ if ip6_src_ecmp and not i % mod:
+ ip6_src = ip6_src + 1
+
+ print "Running time:", time.clock() - a
+
+class TestMAP(unittest.TestCase):
+ '''
+ def test_delete_all(self):
+ t = map_domain_dump(0)
+ self.assertNotEqual(t, None)
+ print "Number of domains configured: ", len(t)
+ for d in t:
+ ts = map_del_domain(0, d.domainindex)
+ self.assertNotEqual(ts, None)
+ t = map_domain_dump(0)
+ self.assertNotEqual(t, None)
+ print "Number of domains configured: ", len(t)
+ self.assertEqual(len(t), 0)
+
+ '''
+
+ def test_a_million_rules(self):
+ ip4_pfx = u'192.0.2.0/24'
+ ip6_pfx = u'2001:db8::/32'
+ ip6_src = u'2001:db8::1'
+ psid_offset = 6
+ psid_len = 6
+ ea_bits_len = 0
+ lw46_shared(ip4_pfx, ip6_pfx, ip6_src, ea_bits_len, psid_offset, psid_len)
+
+#
+# RX thread, that should sit on blocking vpe_api_read()
+
+#
+
+
+#
+#
+#
+import threading
+class RXThread (threading.Thread):
+ def __init__(self):
+ threading.Thread.__init__(self)
+
+ def run(self):
+ print "Starting "
+ i = 0
+ while True:
+ msg = vpe_api_read()
+ if msg:
+ #print msg
+ id = unpack('>H', msg[0:2])
+ size = unpack('>H', msg[2:4])
+ print "Received", id, "of size", size
+ i += 1
+ #del msg
+ continue
+
+ #time.sleep(0.001)
+ return
+
+# Create RX thread
+rxthread = RXThread()
+rxthread.setDaemon(True)
+
+print "Connect", connect_to_vpe("client124")
+import timeit
+rxthread.start()
+print "After thread started"
+
+#pneum_kill_thread()
+print "After thread killed"
+
+#t = show_version(0)
+#print "Result from show version", t
+
+print timeit.timeit('t = show_version(0)', number=1000, setup="from __main__ import show_version")
+time.sleep(10)
+#print timeit.timeit('control_ping(0)', number=10, setup="from __main__ import control_ping")
+
+
+disconnect_from_vpe()
+sys.exit()
+
+
+print t.program, t.version,t.builddate,t.builddirectory
+
+'''
+
+t = map_domain_dump(0)
+if not t:
+ print('show map domain failed')
+
+for d in t:
+ print("IP6 prefix:",str(IPv6Address(d.ip6prefix)))
+ print( "IP4 prefix:",str(IPv4Address(d.ip4prefix)))
+'''
+
+suite = unittest.TestLoader().loadTestsFromTestCase(TestMAP)
+unittest.TextTestRunner(verbosity=2).run(suite)
+
+disconnect_from_vpe()
+
+