| Commit message (Collapse) | Author | Age | Files | Lines |
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This is more in line with the write() system call and prepares for
partial writes. Partial writes are disabled by default (and not yet
implemented).
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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This revises the naming API to treat names (or reg_name in the source)
as first-class citizens of the architecture. This is more in line with
the way they are described in the article.
Operations have been added to create/destroy names independently of
registering. This was previously done only as part of register, and
there was no way to delete a name from the IRMd. The create call now
allows specifying a policy for load-balancing incoming flows for a
name. The default is the new round-robin load-balancer, the previous
behaviour is still available as a spillover load-balancer.
The register calls will still create a name if it doesn't exist, with
the default round-robin load-balancer.
The tools now have a "name" section, so the format is now
irm name <operation> <name> ...
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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The initial implementation for the ECDHE key exchange was doing the
key exchange after a flow was established. The public keys are now
sent allowg on the flow allocation messages, so that an encrypted
tunnel can be created within 1 RTT. The flow allocation steps had to
be extended to pass the opaque data ('piggybacking').
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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This adds an equal-cost multipath routing policy to Ouroboros, based
on Nick Aerts' code. When selected, flows will send packets over all
paths with equal cost (hop count). Path selection is round-robin. It
does not yet take into account flows that are down.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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The Packet Forwarding Function (PFF) was user-configurable using the
irm tool. However, this isn't really wanted since the PFF is dictated
by the routing algorithm. This moves the responsability for selecting
the correct PFF from the network admin to the unicast IPCP
implementation. Each routing policy now has to specify which PFF it
will use.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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The --name option is not of optional_argument type.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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This adds a -C, --crypt option to the ovpn tool to easily create AES
encrypted IP tunnels.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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The ocbr tool was still using the non-public time_utils from the
library instead of the version in tools.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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This completes the renaming of the normal IPCP to the unicast IPCP in
the sources, to get everything consistent with the documentation.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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The UDP IPCP now uses a fixed server UDP port (default 3435) for all
communications. This allows passing firewalls more easily since only a
single port needs to be opened. The client port can be fixed as well
if needed (default random). It uses an internal eid, so the MTU of the
UDP layer is reduced by 4 bytes, similar to the Ethernet IPCPs.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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Updates the copyright notice in all sources to 2019.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The irm enroll tool had a semantic to enroll with a layer name, but
this is not checked. Now the enroll command will retrieve the correct
layer name that the IPCP got from the actual enrollment procedure.
The irm enroll now has two string parameters, a dst and a layer, which
cannot be both NULL. If only dst is specified, the IPCP will enroll
with that name; autobind will bind with the layer name. If only layer
is specified, the IPCP will enroll with the layer name, and perform a
check that the layer name retrieved from enrollment is indeed the
layer name before possibly autobinding. If both dst and layer are
specified, the IPCP will enroll with dst and perform a check that the
enrollment was in the expected layer. Basically only specifying the
layer name is a shorthand for dst == layer.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This renames the normal IPCP to unicast in the irm toolkit.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This adds a new flow_join operaiton for broadcast, which is a much
safer solution than overloading destination name semantics. The
internal API now also has a different IPCP_FLOW_JOIN operation. The
IRMd doesn't need to query broadcasts IPCPs for the name, it can just
check if an IPCP with the layer name exists. The broadcast IPCP
doesn't need to implement the query proxy call anymore.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The --server-name option was mistyped with an underscore in the
argument parser.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The flag IFF_NO_PI is needed to make sure that no extra protocol
header is added to the payload that is received on the TUN interface.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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This adds a broadcast IPCP that allows us to easily create multicast
applications. The broadcast IPCP accepts flows for "<layer_name>.mc".
A tool, obc (Ouroboros broadcast), is added that sends and reads a
message to a broadcast layer.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This adds the ovpn application which allows to send TCP/IP traffic
over Ouroboros. This is done by opening a TUN interface and allocating
a flow to another ovpn application so that applications using TCP/IP
can be used over Ouroboros as well.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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The ipcp connect command can now set a specific qos cube for data
transfer flows. For management flows, the tool ignores this and
defaults to raw until data flows are stable enough.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This will change SDU (Service Data Unit) to packet everywhere. SDU is
OSI terminology, whereas packet is Ouroboros terminology.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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This fixes some memleaks and potential buffer overflows in the irm
tool.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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This enhances the irm connect and irm disconnect command to allow
creating connections between IPCPs based on wildcard matching for the
component name. In case no component was specified it sets up
connections between all possible components.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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This adds a unidirectional test to operf, which is handy for testing
unidirectional streams.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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This replaces the time utility functions with macros. This avoids
using library functions in the tools and also slightly speeds up the
implementation.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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There were some missing newlines in printf statements in oping. This
adds them.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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This adds a data qos cube that is reliable. Reliable qos can be
selected by setting the loss parameter of the qosspec to 0.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This adds a --quiet -Q option to oping so it will only print the
statistics summary. Also fixes a division by 0 if duration is
specified with interval 0.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The oping tool can now select a qos spec to use. Allowed specs are
predefined an chosen using "raw", "best", "video" or "voice".
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This adds a -d, --duration option to oping. Now all durations can be
specified in milliseconds (ms, default), seconds (s), minutes (m),
hours (h), or days(d).
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This adds out-of-order statistics to the oping tool. A packet is
considered out-of-order if its sequence number is lower than the
highest sequence number already received.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This adds a timestamp option to oping, similar to the one in regular
ping and rinaperf, so that we can more easily correlate time and
latency.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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The pattern was matched to the string instead of the string to the
pattern, which means it only worked if it was a perfect match.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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This fixes two memleaks which were reported by cppcheck.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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The oping tool was using a 1500 byte buffer, but didn't account for
partial reads when sending 1500 byte packets. This disables the
partial reads.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This adds a check in the irm ipcp list command to see if
irm_list_ipcps returned an error or not. Before it was only checking
if there were zero IPCPs in the system.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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The type check failed incorrectly if the type was specified because
the specified type was not set.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The new command 'irm ipcp list' was not being printed upon printing
the usage of 'irm ipcp'. It also fixes an unchecked return value.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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A bad check caused failure to set the hash algorithm for IPCPs.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The ocbr server had a 1500 byte read buffer, which caused it to
perform partial reads on larger SDUs, slowing it down considerably
when sendin large packets. The buffer has been increased to 512KB,
partial reads disabled, and the client will give an error when larger
frames are sent. It will also warn if the size overflows (avoiding a
SEGV).
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The list_ipcps call had a memleak in the failure case. Also fixes a
compiler warning for a possible uninitialized variable and renumbers
the gpb ipcpd message fields.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The reg/unreg API is simplified to registering and unregistering a
single name with a single IPCP. The functionality associated with
registering names was moved from the IRMd to the irm tool. The
function to list IPCPs was simplified to return all IPCPs in the
system with their basic properties needed for management.
The above changes led to some needed changes in the irm tool and the
management functions that were depending on the previous behaviour of
list_ipcps.
Command line functionality to list IPCPs in the system is also added
to the irm tool.
Some older code was refactored.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The oecho tool still used its old "echo-app" name in the usage() output.
The destination name is also changed to oecho.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The oping and ocbr servers were using non-blocking read/writes. This
caused writes to fail on high-performance tests if the buffer got
full, instead of waiting for a slot in the buffer. The write failure
caused the server to quit. This fixes the tools by setting the I/O to
blocking write and non-blocking read.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This will check if the Ethertype value is a valid Ethertype in the irm
tool and the eth-dix IPCPd.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This adds an IPC Process that uses DIX Ethernet with an Ethertype that
is configurable at bootstrap. This allows parallel DIX layers over the
same Ethernet network with different Ethertypes (and one LLC
layer). It allows jumbo frames in the future, and should avoid the
problems we have with some routers not handling LLC traffic very
well. The destination endpoint ID is sent as a 16 bit integer, so the
maximum payload is 1498 bytes in standard Ethernet, and 8998 bytes
when Jumbo frames are used.
The implementation is very similar to the Ethernet LLC IPCP, so it is
implemented using preprocessor macros in the single source instead of
duplicating code.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The rbuff uses the PTHREAD_COND_CLOCK for its condition variables, but
the flow_read was passing a time it got from the CLOCK_REALTIME_COARSE
clock. This causes the blocking reads not to timeout correctly.
The oping was updated to detect server timeouts and finish gracefully.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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The reader thread was cancelled as soon as the writer was finished,
which resulted in missed responses and misreported packet loss.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This removes the dependencies for the tools on some ouroboros internal
headers (endian.h and time_utils.h) so they can be built out-of-tree.
The echo-app tool has been renamed oecho and the cbr tool has been
renamed ocbr.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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