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This adds a Woodpecker CI workflow for compilation testing.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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This is a rewrite of the DHT for name-to-address resolution in the
unicast layer. It is now integrated as a proper directory policy. The
dir_wait_running function is removed, instead the a DHT peer is passed
on during IPCP enrolment.
Each DHT request/response gets a random 64-bit ID ('cookie'). DHT
messages to the same peer are deduped, except in the case when the DHT
is low on contacts. In that case, it will contact the per it received
at enrolment for more contacts. To combat packet loss, these messages
are not deduped by means of a 'magic cookie', chosen at random when
the DHT starts.
The DHT parameters (Kademlia) can be set using the configfile or the
IRM command line tools:
if DIRECTORY_POLICY == DHT
[dht_alpha <search factor> (default: 3)]
[dht_k <replication factor> (default: 8)]
[dht_t_expire <expiration (s)> (default: 86400)]
[dht_t_refresh <contact refresh (s)> (default: 900)]
[dht_t_replicate <replication (s)> (default: 900)]
This commit also adds support for a protocol debug level (PP).
Protocol debugging for the DHT can be enabled using the
DEBUG_PROTO_DHT build flag.
The DHT has the following message types:
DHT_STORE, sent to k peers. Not acknowledged.
DHT_STORE --> [2861814146dbf9b5|ed:d9:e2:c4].
key: bcc236ab6ec69e65 [32 bytes]
val: 00000000c4e2d9ed [8 bytes]
exp: 2025-08-03 17:29:44 (UTC).
DHT_FIND_NODE_REQ, sent to 'alpha' peers, with a corresponding
response. This is used to update the peer routing table to iteratively
look for the nodes with IDs closest to the requested key.
DHT_FIND_NODE_REQ --> [a62f92abffb451c4|ed:d9:e2:c4].
cookie: 2d4b7acef8308210
key: a62f92abffb451c4 [32 bytes]
DHT_FIND_NODE_RSP <-- [2861814146dbf9b5|ed:d9:e2:c4].
cookie: 2d4b7acef8308210
key: a62f92abffb451c4 [32 bytes]
contacts: [1]
[a62f92abffb451c4|9f:0d:c1:fb]
DHT_FIND_VALUE_REQ, sent to 'k' peers, with a corresponding
response. Used to find a value for a key. Will also send its closest
known peers in the response.
DHT_FIND_VALUE_REQ --> [2861814146dbf9b5|ed:d9:e2:c4].
cookie: 80a1adcb09a2ff0a
key: 42dee3b0415b4f69 [32 bytes]
DHT_FIND_VALUE_RSP <-- [2861814146dbf9b5|ed:d9:e2:c4].
cookie: 80a1adcb09a2ff0a
key: 42dee3b0415b4f69 [32 bytes]
values: [1]
00000000c4e2d9ed [8 bytes]
contacts: [1]
[a62f92abffb451c4|9f:0d:c1:fb]
Also removes ubuntu 20 from appveyor config as it is not supported anymore.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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The configuration parameter was not correctly passed, which caused the
build system to build with debug symbols (configuration does not match
"Release" and not set CONFIG_OUROBOROS_DEBUG, causing the compiler to
include the debugging code. Fixed appveyor command. The build will now
fail on an unknown CMAKE_BUILD_TYPE.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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Some files had a newline at the end, others didn't. Now they all do.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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We were building on an Ubuntu1804. Probably best to change to newer
versions.
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
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A yml file is included in the repository, which is parsed by the
appveyor CI when a build is triggered upon pushing. It allows checking
the build on Ubuntu 16.04 and 18.04, on x86 and x64, and in release
and debug configuration.
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
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