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Merge pull request #26 from mininet/devel/install-oneiric

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Devel/install oneiric
This commit is contained in:
Brandon Heller
2012-03-13 15:11:29 -07:00
parent d990eb0717 5562e66a2d
commit 99222e70f7
8 changed files with 513 additions and 185 deletions
Download Patch File Download Diff File Expand all files Collapse all files
.gitignore
+3
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@@ -1,3 +1,6 @@
mnexec mnexec
*.pyc *.pyc
*~
mininet.egg-info mininet.egg-info
build
dist
.pylint
+1 -1
View File
@@ -53,7 +53,7 @@ disable-msg-cat=IR
#enable-msg= #enable-msg=
# Disable the message(s) with the given id(s). # Disable the message(s) with the given id(s).
disable-msg=W0704,C0103,W0231,E1102,W0511,W0142,R0902,R0903,R0904,R0913,R0914,R0801 disable=W0704,C0103,W0231,E1102,W0511,W0142,R0902,R0903,R0904,R0913,R0914,R0801,I0011
[REPORTS] [REPORTS]
examples/miniedit.py
+1 -1
View File
@@ -602,7 +602,7 @@ class MiniEdit( Frame ):
cleanUpScreens() cleanUpScreens()
self.net = None self.net = None
def xterm( self, ignore=None ): def xterm( self, _ignore=None ):
"Make an xterm when a button is pressed." "Make an xterm when a button is pressed."
if ( self.selection is None or if ( self.selection is None or
self.net is None or self.net is None or
mininet/node.py
+7 -7
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@@ -116,19 +116,19 @@ class Node( object ):
self.shell = None self.shell = None
# Subshell I/O, commands and control # Subshell I/O, commands and control
def read( self, bytes=1024 ): def read( self, maxbytes=1024 ):
"""Buffered read from node, non-blocking. """Buffered read from node, non-blocking.
bytes: maximum number of bytes to return""" maxbytes: maximum number of bytes to return"""
count = len( self.readbuf ) count = len( self.readbuf )
if count < bytes: if count < maxbytes:
data = os.read( self.stdout.fileno(), bytes - count ) data = os.read( self.stdout.fileno(), maxbytes - count )
self.readbuf += data self.readbuf += data
if bytes >= len( self.readbuf ): if maxbytes >= len( self.readbuf ):
result = self.readbuf result = self.readbuf
self.readbuf = '' self.readbuf = ''
else: else:
result = self.readbuf[ :bytes ] result = self.readbuf[ :maxbytes ]
self.readbuf = self.readbuf[ bytes: ] self.readbuf = self.readbuf[ maxbytes: ]
return result return result
def readline( self ): def readline( self ):
mininet/util.py
+3 -3
View File
@@ -136,13 +136,13 @@ def createLink( node1, node2, port1=None, port2=None ):
# IP and Mac address formatting and parsing # IP and Mac address formatting and parsing
def _colonHex( val, bytes ): def _colonHex( val, count ):
"""Generate colon-hex string. """Generate colon-hex string.
val: input as unsigned int val: input as unsigned int
bytes: number of bytes to convert count: number of bytes to convert
returns: chStr colon-hex string""" returns: chStr colon-hex string"""
pieces = [] pieces = []
for i in range( bytes - 1, -1, -1 ): for i in range( count - 1, -1, -1 ):
piece = ( ( 0xff << ( i * 8 ) ) & val ) >> ( i * 8 ) piece = ( ( 0xff << ( i * 8 ) ) & val ) >> ( i * 8 )
pieces.append( '%02x' % piece ) pieces.append( '%02x' % piece )
chStr = ':'.join( pieces ) chStr = ':'.join( pieces )
util/install.sh
+64 -38
View File
@@ -1,5 +1,5 @@
#!/usr/bin/env bash #!/usr/bin/env bash
# Mininet install script for Debian # Mininet install script for Ubuntu (and Debian Lenny)
# Brandon Heller (brandonh@stanford.edu) # Brandon Heller (brandonh@stanford.edu)
# Fail on error # Fail on error
@@ -11,8 +11,22 @@ set -o nounset
# Location of CONFIG_NET_NS-enabled kernel(s) # Location of CONFIG_NET_NS-enabled kernel(s)
KERNEL_LOC=http://www.openflow.org/downloads/mininet KERNEL_LOC=http://www.openflow.org/downloads/mininet
# Attempt to identify Linux release
DIST=Unknown
RELEASE=Unknown
CODENAME=Unknown
test -e /etc/debian_version && DIST="Debian" test -e /etc/debian_version && DIST="Debian"
grep Ubuntu /etc/lsb-release &> /dev/null && DIST="Ubuntu" grep Ubuntu /etc/lsb-release &> /dev/null && DIST="Ubuntu"
if [ "$DIST" = "Ubuntu" ] || [ "$DIST" = "Debian" ]; then
sudo apt-get install -y lsb-release
fi
if which lsb_release &> /dev/null; then
DIST=`lsb_release -is`
RELEASE=`lsb_release -rs`
CODENAME=`lsb_release -cs`
fi
echo "Detected Linux distribution: $DIST $RELEASE $CODENAME"
# Kernel params # Kernel params
@@ -21,30 +35,32 @@ if [ "$DIST" = "Debian" ]; then
KERNEL_HEADERS=linux-headers-${KERNEL_NAME}_${KERNEL_NAME}-10.00.Custom_i386.deb KERNEL_HEADERS=linux-headers-${KERNEL_NAME}_${KERNEL_NAME}-10.00.Custom_i386.deb
KERNEL_IMAGE=linux-image-${KERNEL_NAME}_${KERNEL_NAME}-10.00.Custom_i386.deb KERNEL_IMAGE=linux-image-${KERNEL_NAME}_${KERNEL_NAME}-10.00.Custom_i386.deb
elif [ "$DIST" = "Ubuntu" ]; then elif [ "$DIST" = "Ubuntu" ]; then
if [ "$RELEASE" = "10.04" ]; then
KERNEL_NAME='3.0.0-15-generic'
else
KERNEL_NAME=`uname -r` KERNEL_NAME=`uname -r`
fi
KERNEL_HEADERS=linux-headers-${KERNEL_NAME} KERNEL_HEADERS=linux-headers-${KERNEL_NAME}
else else
echo "Install.sh currently only supports Ubuntu and Debian." echo "Install.sh currently only supports Ubuntu and Debian."
exit 1 exit 1
fi fi
echo "Detected Linux distribution: $DIST"
# Kernel Deb pkg to be removed: # Kernel Deb pkg to be removed:
KERNEL_IMAGE_OLD=linux-image-2.6.26-2-686 KERNEL_IMAGE_OLD=linux-image-2.6.26-2-686
DRIVERS_DIR=/lib/modules/${KERNEL_NAME}/kernel/drivers/net DRIVERS_DIR=/lib/modules/${KERNEL_NAME}/kernel/drivers/net
OVS_RELEASE=v1.1.1 OVS_RELEASE=v1.2.2
OVS_DIR=~/openvswitch OVS_SRC=~/openvswitch
OVS_KMOD=openvswitch_mod.ko OVS_BUILD=$OVS_SRC/build-$KERNEL_NAME
OVS_KMODS=($OVS_BUILD/datapath/linux/{openvswitch_mod.ko,brcompat_mod.ko})
function kernel { function kernel {
echo "Install Mininet-compatible kernel" echo "Install Mininet-compatible kernel if necessary"
sudo apt-get update sudo apt-get update
if [ "$DIST" = "Debian" ]; then if [ "$DIST" = "Debian" ]; then
# The easy approach: download pre-built linux-image and linux-headers packages: # The easy approach: download pre-built linux-image and linux-headers packages:
wget -c $KERNEL_LOC/$KERNEL_HEADERS wget -c $KERNEL_LOC/$KERNEL_HEADERS
wget -c $KERNEL_LOC/$KERNEL_IMAGE wget -c $KERNEL_LOC/$KERNEL_IMAGE
@@ -63,9 +79,13 @@ function kernel {
# Ensure /boot/grub/menu.lst boots with initrd image: # Ensure /boot/grub/menu.lst boots with initrd image:
sudo update-grub sudo update-grub
# The default should be the new kernel. Otherwise, you may need to modify /boot/grub/menu.lst to set the default to the entry corresponding to the kernel you just installed. # The default should be the new kernel. Otherwise, you may need to modify
# /boot/grub/menu.lst to set the default to the entry corresponding to the
# kernel you just installed.
fi
if [ "$DIST" = "Ubuntu" ] && [ "$RELEASE" = "10.04" ]; then
sudo apt-get -y install linux-image-$KERNEL_NAME
fi fi
} }
function kernel_clean { function kernel_clean {
@@ -84,12 +104,13 @@ function mn_deps {
sudo aptitude install -y gcc make screen psmisc xterm ssh iperf iproute \ sudo aptitude install -y gcc make screen psmisc xterm ssh iperf iproute \
python-setuptools python-networkx python-setuptools python-networkx
if [ "$DIST" = "Ubuntu" ] && [ "`lsb_release -sr`" = "10.04" ]; then if [ "$DIST" = "Ubuntu" ] && [ "$RELEASE" = "10.04" ]; then
echo "Upgrading networkx to avoid deprecation warning" echo "Upgrading networkx to avoid deprecation warning"
sudo easy_install --upgrade networkx sudo easy_install --upgrade networkx
fi fi
#Add sysctl parameters as noted in the INSTALL file to increase kernel limits to support larger setups: # Add sysctl parameters as noted in the INSTALL file to increase kernel
# limits to support larger setups:
sudo su -c "cat $HOME/mininet/util/sysctl_addon >> /etc/sysctl.conf" sudo su -c "cat $HOME/mininet/util/sysctl_addon >> /etc/sysctl.conf"
# Load new sysctl settings: # Load new sysctl settings:
@@ -111,7 +132,8 @@ function of {
echo "Installing OpenFlow and its tools..." echo "Installing OpenFlow and its tools..."
cd ~/ cd ~/
sudo apt-get install -y git-core automake m4 pkg-config libtool make libc6-dev autoconf autotools-dev gcc sudo apt-get install -y git-core automake m4 pkg-config libtool \
make libc6-dev autoconf autotools-dev gcc
git clone git://openflowswitch.org/openflow.git git clone git://openflowswitch.org/openflow.git
cd ~/openflow cd ~/openflow
@@ -134,7 +156,8 @@ function of {
mkdir -p ~/.wireshark mkdir -p ~/.wireshark
cp ~/mininet/util/colorfilters ~/.wireshark cp ~/mininet/util/colorfilters ~/.wireshark
# Remove avahi-daemon, which may cause unwanted discovery packets to be sent during tests, near link status changes: # Remove avahi-daemon, which may cause unwanted discovery packets to be
# sent during tests, near link status changes:
sudo apt-get remove -y avahi-daemon sudo apt-get remove -y avahi-daemon
# Disable IPv6. Add to /etc/modprobe.d/blacklist: # Disable IPv6. Add to /etc/modprobe.d/blacklist:
@@ -146,12 +169,12 @@ function of {
sudo sh -c "echo 'blacklist net-pf-10\nblacklist ipv6' >> $BLACKLIST" sudo sh -c "echo 'blacklist net-pf-10\nblacklist ipv6' >> $BLACKLIST"
} }
# Install OpenVSwitch # Install Open vSwitch
# Instructions derived from OVS INSTALL, INSTALL.OpenFlow and README files. # Instructions derived from OVS INSTALL, INSTALL.OpenFlow and README files.
function ovs { function ovs {
echo "Installing OpenVSwitch..." echo "Installing Open vSwitch..."
if [ "$DIST" = "Debian" ]; then if [ "$DIST" = "Debian" ] && [ "$CODENAME" == "lenny" ]; then
sudo aptitude -y install pkg-config gcc make git-core python-dev libssl-dev sudo aptitude -y install pkg-config gcc make git-core python-dev libssl-dev
# Install Autoconf 2.63+ backport from Debian Backports repo: # Install Autoconf 2.63+ backport from Debian Backports repo:
# Instructions from http://backports.org/dokuwiki/doku.php?id=instructions # Instructions from http://backports.org/dokuwiki/doku.php?id=instructions
@@ -168,7 +191,7 @@ function ovs {
# Install OVS from release # Install OVS from release
cd ~/ cd ~/
git clone git://openvswitch.org/openvswitch git clone git://openvswitch.org/openvswitch
cd $OVS_DIR cd $OVS_SRC
git checkout $OVS_RELEASE git checkout $OVS_RELEASE
./boot.sh ./boot.sh
BUILDDIR=/lib/modules/${KERNEL_NAME}/build BUILDDIR=/lib/modules/${KERNEL_NAME}/build
@@ -176,10 +199,14 @@ function ovs {
echo "Creating build sdirectory $BUILDDIR" echo "Creating build sdirectory $BUILDDIR"
sudo mkdir -p $BUILDDIR sudo mkdir -p $BUILDDIR
fi fi
opts="--with-l26=$BUILDDIR" opts="--with-linux=$BUILDDIR"
./configure $opts mkdir -p $OVS_BUILD
cd $OVS_BUILD
../configure $opts
make make
sudo make install sudo make install
# openflowd is deprecated, but for now copy it in
sudo cp tests/test-openflowd /usr/local/bin/ovs-openflowd
} }
# Install NOX with tutorial files # Install NOX with tutorial files
@@ -187,7 +214,8 @@ function nox {
echo "Installing NOX w/tutorial files..." echo "Installing NOX w/tutorial files..."
# Install NOX deps: # Install NOX deps:
sudo apt-get -y install autoconf automake g++ libtool python python-twisted swig libxerces-c2-dev libssl-dev make sudo apt-get -y install autoconf automake g++ libtool python python-twisted \
swig libssl-dev make
if [ "$DIST" = "Debian" ]; then if [ "$DIST" = "Debian" ]; then
sudo apt-get -y install libboost1.35-dev sudo apt-get -y install libboost1.35-dev
elif [ "$DIST" = "Ubuntu" ]; then elif [ "$DIST" = "Ubuntu" ]; then
@@ -198,21 +226,22 @@ function nox {
# Install NOX optional deps: # Install NOX optional deps:
sudo apt-get install -y libsqlite3-dev python-simplejson sudo apt-get install -y libsqlite3-dev python-simplejson
#Install NOX: # Fetch NOX destiny
cd ~/ cd ~/
git clone git://openflowswitch.org/nox-tutorial noxcore git clone git://noxrepo.org/nox noxcore
cd noxcore cd noxcore
git checkout -b destiny remotes/origin/destiny
# With later autoconf versions this doesn't quite work: # Apply patches
./boot.sh --apps-core || true git checkout -b tutorial-destiny
if [ "$DIST" = "Debian" ]; then git am ~/mininet/util/nox-patches/*.patch
# So use this instead:
autoreconf --install --force # Build
fi ./boot.sh
mkdir build mkdir build
cd build cd build
../configure --with-python=yes ../configure
make make -j3
#make check #make check
# Add NOX_CORE_DIR env var: # Add NOX_CORE_DIR env var:
@@ -293,16 +322,13 @@ function other {
function modprobe { function modprobe {
echo "Setting up modprobe for OVS kmod..." echo "Setting up modprobe for OVS kmod..."
sudo cp $OVS_DIR/datapath/linux-2.6/$OVS_KMOD $DRIVERS_DIR sudo cp $OVS_KMODS $DRIVERS_DIR
sudo depmod -a ${KERNEL_NAME} sudo depmod -a ${KERNEL_NAME}
} }
function all { function all {
echo "Running all commands..." echo "Running all commands..."
if [ "$DIST" != "Ubuntu" ]; then
# Ubuntu ships with Mininet-compatible kernel
kernel kernel
fi
mn_deps mn_deps
of of
ovs ovs
@@ -326,7 +352,7 @@ function vm_clean {
history -c # note this won't work if you have multiple bash sessions history -c # note this won't work if you have multiple bash sessions
rm -f ~/.bash_history # need to clear in memory and remove on disk rm -f ~/.bash_history # need to clear in memory and remove on disk
rm -f ~/.ssh/id_rsa* ~/.ssh/known_hosts rm -f ~/.ssh/id_rsa* ~/.ssh/known_hosts
sudo rm -f ~/.ssh/authorized_keys2 sudo rm -f ~/.ssh/authorized_keys*
# Remove Mininet files # Remove Mininet files
#sudo rm -f /lib/modules/python2.5/site-packages/mininet* #sudo rm -f /lib/modules/python2.5/site-packages/mininet*
@@ -347,8 +373,8 @@ function usage {
printf 'Usage: %s [-acdfhkmntvxy]\n\n' $(basename $0) >&2 printf 'Usage: %s [-acdfhkmntvxy]\n\n' $(basename $0) >&2
printf 'This install script attempts to install useful packages\n' >&2 printf 'This install script attempts to install useful packages\n' >&2
printf 'for Mininet. It should (hopefully) work on Ubuntu 10.04 and\n' >&2 printf 'for Mininet. It should (hopefully) work on Ubuntu 10.04, 11.10\n' >&2
printf 'Debian 5.0 (Lenny). If you run into trouble, try\n' >&2 printf 'and Debian 5.0 (Lenny). If you run into trouble, try\n' >&2
printf 'installing one thing at a time, and looking at the \n' >&2 printf 'installing one thing at a time, and looking at the \n' >&2
printf 'specific installation function in this script.\n\n' >&2 printf 'specific installation function in this script.\n\n' >&2
util/nox-patches/0001-OpenFlow-tutorial-port-nox-destiny.patch
+298
View File
@@ -0,0 +1,298 @@
From 5c9610ffb88c89b0f36359ad3c7547831482a3ff Mon Sep 17 00:00:00 2001
From: Bob Lantz <rlantz@cs.stanford.edu>
Date: Fri, 3 Feb 2012 14:48:58 -0800
Subject: [PATCH] OpenFlow tutorial port nox-destiny.
---
src/nox/coreapps/examples/Makefile.am | 2 +-
src/nox/coreapps/examples/tutorial/Makefile.am | 25 ++++
src/nox/coreapps/examples/tutorial/meta.json | 12 ++
src/nox/coreapps/examples/tutorial/pytutorial.py | 67 +++++++++++
src/nox/coreapps/examples/tutorial/tutorial.cc | 134 ++++++++++++++++++++++
5 files changed, 239 insertions(+), 1 deletions(-)
create mode 100644 src/nox/coreapps/examples/tutorial/Makefile.am
create mode 100644 src/nox/coreapps/examples/tutorial/__init__.py
create mode 100644 src/nox/coreapps/examples/tutorial/meta.json
create mode 100644 src/nox/coreapps/examples/tutorial/pytutorial.py
create mode 100644 src/nox/coreapps/examples/tutorial/tutorial.cc
diff --git a/src/nox/coreapps/examples/Makefile.am b/src/nox/coreapps/examples/Makefile.am
index 126f32e..1a0458c 100644
--- a/src/nox/coreapps/examples/Makefile.am
+++ b/src/nox/coreapps/examples/Makefile.am
@@ -1,6 +1,6 @@
include ../../../Make.vars
-SUBDIRS = t
+SUBDIRS = tutorial t
EXTRA_DIST =\
meta.json\
diff --git a/src/nox/coreapps/examples/tutorial/Makefile.am b/src/nox/coreapps/examples/tutorial/Makefile.am
new file mode 100644
index 0000000..51cf921
--- /dev/null
+++ b/src/nox/coreapps/examples/tutorial/Makefile.am
@@ -0,0 +1,25 @@
+include ../../../../Make.vars
+
+EXTRA_DIST =\
+ meta.xml \
+ __init__.py \
+ pytutorial.py
+
+if PY_ENABLED
+AM_CPPFLAGS += $(PYTHON_CPPFLAGS)
+endif # PY_ENABLED
+
+pkglib_LTLIBRARIES = \
+ tutorial.la
+
+tutorial_la_CPPFLAGS = $(AM_CPPFLAGS) -I $(top_srcdir)/src/nox -I $(top_srcdir)/src/nox/coreapps/
+tutorial_la_SOURCES = tutorial.cc
+tutorial_la_LDFLAGS = -module -export-dynamic
+
+NOX_RUNTIMEFILES = meta.json \
+ __init__.py \
+ pytutorial.py
+
+all-local: nox-all-local
+clean-local: nox-clean-local
+install-exec-hook: nox-install-local
diff --git a/src/nox/coreapps/examples/tutorial/__init__.py b/src/nox/coreapps/examples/tutorial/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/nox/coreapps/examples/tutorial/meta.json b/src/nox/coreapps/examples/tutorial/meta.json
new file mode 100644
index 0000000..7a9f227
--- /dev/null
+++ b/src/nox/coreapps/examples/tutorial/meta.json
@@ -0,0 +1,12 @@
+{
+ "components": [
+ {
+ "name": "tutorial",
+ "library": "tutorial"
+ },
+ {
+ "name": "pytutorial",
+ "python": "nox.coreapps.examples.tutorial.pytutorial"
+ }
+ ]
+}
diff --git a/src/nox/coreapps/examples/tutorial/pytutorial.py b/src/nox/coreapps/examples/tutorial/pytutorial.py
new file mode 100644
index 0000000..1e21c0b
--- /dev/null
+++ b/src/nox/coreapps/examples/tutorial/pytutorial.py
@@ -0,0 +1,67 @@
+# Tutorial Controller
+# Starts as a hub, and your job is to turn this into a learning switch.
+
+import logging
+
+from nox.lib.core import *
+import nox.lib.openflow as openflow
+from nox.lib.packet.ethernet import ethernet
+from nox.lib.packet.packet_utils import mac_to_str, mac_to_int
+
+log = logging.getLogger('nox.coreapps.tutorial.pytutorial')
+
+
+class pytutorial(Component):
+
+ def __init__(self, ctxt):
+ Component.__init__(self, ctxt)
+ # Use this table to store MAC addresses in the format of your choice;
+ # Functions already imported, including mac_to_str, and mac_to_int,
+ # should prove useful for converting the byte array provided by NOX
+ # for packet MAC destination fields.
+ # This table is initialized to empty when your module starts up.
+ self.mac_to_port = {} # key: MAC addr; value: port
+
+ def learn_and_forward(self, dpid, inport, packet, buf, bufid):
+ """Learn MAC src port mapping, then flood or send unicast."""
+
+ # Initial hub behavior: flood packet out everything but input port.
+ # Comment out the line below when starting the exercise.
+ self.send_openflow(dpid, bufid, buf, openflow.OFPP_FLOOD, inport)
+
+ # Starter psuedocode for learning switch exercise below: you'll need to
+ # replace each pseudocode line with more specific Python code.
+
+ # Learn the port for the source MAC
+ #self.mac_to_port = <fill in>
+ #if (destination MAC of the packet is known):
+ # Send unicast packet to known output port
+ #self.send_openflow( <fill in params> )
+ # Later, only after learning controller works:
+ # push down flow entry and remove the send_openflow command above.
+ #self.install_datapath_flow( <fill in params> )
+ #else:
+ #flood packet out everything but the input port
+ #self.send_openflow(dpid, bufid, buf, openflow.OFPP_FLOOD, inport)
+
+ def packet_in_callback(self, dpid, inport, reason, len, bufid, packet):
+ """Packet-in handler"""
+ if not packet.parsed:
+ log.debug('Ignoring incomplete packet')
+ else:
+ self.learn_and_forward(dpid, inport, packet, packet.arr, bufid)
+
+ return CONTINUE
+
+ def install(self):
+ self.register_for_packet_in(self.packet_in_callback)
+
+ def getInterface(self):
+ return str(pytutorial)
+
+def getFactory():
+ class Factory:
+ def instance(self, ctxt):
+ return pytutorial(ctxt)
+
+ return Factory()
diff --git a/src/nox/coreapps/examples/tutorial/tutorial.cc b/src/nox/coreapps/examples/tutorial/tutorial.cc
new file mode 100644
index 0000000..e7240cc
--- /dev/null
+++ b/src/nox/coreapps/examples/tutorial/tutorial.cc
@@ -0,0 +1,134 @@
+#include "component.hh"
+#include "config.h"
+#include "packet-in.hh"
+#include "flow.hh"
+#include "assert.hh"
+#include "netinet++/ethernetaddr.hh"
+#include "netinet++/ethernet.hh"
+#include <boost/shared_array.hpp>
+#include <boost/bind.hpp>
+#ifdef LOG4CXX_ENABLED
+#include <boost/format.hpp>
+#include "log4cxx/logger.h"
+#else
+#include "vlog.hh"
+#endif
+
+using namespace std;
+using namespace vigil;
+using namespace vigil::container;
+
+namespace
+{
+ static Vlog_module lg("tutorial");
+
+ /** Learning switch.
+ */
+ class tutorial
+ : public Component
+ {
+ public:
+ /** Constructor.
+ */
+ tutorial(const Context* c, const json_object* node)
+ : Component(c)
+ { }
+
+ /** Configuration.
+ * Add handler for packet-in event.
+ */
+ void configure(const Configuration*)
+ {
+ register_handler<Packet_in_event>
+ (boost::bind(&tutorial::handle, this, _1));
+ }
+
+ /** Just simply install.
+ */
+ void install()
+ {
+ lg.dbg(" Install called ");
+ }
+
+ /** Function to setup flow.
+ */
+ void setup_flow(Flow& flow, datapathid datapath_id ,
+ uint32_t buffer_id, uint16_t out_port)
+ {
+ ofp_flow_mod* ofm;
+ size_t size = sizeof *ofm + sizeof(ofp_action_output);
+ boost::shared_array<char> raw_of(new char[size]);
+ ofm = (ofp_flow_mod*) raw_of.get();
+
+ ofm->header.version = OFP_VERSION;
+ ofm->header.type = OFPT_FLOW_MOD;
+ ofm->header.length = htons(size);
+ ofm->match.wildcards = htonl(0);
+ ofm->match.in_port = htons(flow.in_port);
+ ofm->match.dl_vlan = flow.dl_vlan;
+ memcpy(ofm->match.dl_src, flow.dl_src.octet, sizeof ofm->match.dl_src);
+ memcpy(ofm->match.dl_dst, flow.dl_dst.octet, sizeof ofm->match.dl_dst);
+ ofm->match.dl_type = flow.dl_type;
+ ofm->match.nw_src = flow.nw_src;
+ ofm->match.nw_dst = flow.nw_dst;
+ ofm->match.nw_proto = flow.nw_proto;
+ ofm->match.tp_src = flow.tp_src;
+ ofm->match.tp_dst = flow.tp_dst;
+ ofm->command = htons(OFPFC_ADD);
+ ofm->buffer_id = htonl(buffer_id);
+ ofm->idle_timeout = htons(5);
+ ofm->hard_timeout = htons(OFP_FLOW_PERMANENT);
+ ofm->priority = htons(OFP_DEFAULT_PRIORITY);
+ ofp_action_output& action = *((ofp_action_output*)ofm->actions);
+ memset(&action, 0, sizeof(ofp_action_output));
+ action.type = htons(OFPAT_OUTPUT);
+ action.len = htons(sizeof(ofp_action_output));
+ action.max_len = htons(0);
+ action.port = htons(out_port);
+ send_openflow_command(datapath_id, &ofm->header, true);
+ }
+
+ /** Function to handle packets.
+ * @param datapath_id datapath id of switch
+ * @param in_port port packet is received
+ * @param buffer_id buffer id of packet
+ * @param source source mac address in host order
+ * @param destination destination mac address in host order
+ */
+ void handle_packet(datapathid datapath_id, uint16_t in_port, uint32_t buffer_id,
+ uint64_t source, uint64_t destination)
+ {
+ send_openflow_packet(datapath_id, buffer_id, OFPP_FLOOD,
+ in_port, true);
+ }
+
+ /** Packet-on handler.
+ */
+ Disposition handle(const Event& e)
+ {
+ const Packet_in_event& pi = assert_cast<const Packet_in_event&>(e);
+ uint32_t buffer_id = pi.buffer_id;
+ Flow flow(pi.in_port, *pi.get_buffer());
+
+ // drop LLDP packets
+ if (flow.dl_type == ethernet::LLDP)
+ return CONTINUE;
+
+ // pass handle of unicast packet, else flood
+ if (!flow.dl_src.is_multicast())
+ handle_packet(pi.datapath_id, pi.in_port, buffer_id,
+ flow.dl_src.hb_long(), flow.dl_dst.hb_long());
+ else
+ send_openflow_packet(pi.datapath_id, buffer_id, OFPP_FLOOD,
+ pi.in_port, true);
+
+ return CONTINUE;
+ }
+
+ private:
+};
+
+REGISTER_COMPONENT(container::Simple_component_factory<tutorial>,
+ tutorial);
+
+} // unnamed namespace
--
1.7.5.4
util/nox-patches/README
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This patch adds the OpenFlow tutorial module source code to nox-destiny.