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* ipcpd: Simplify including common enrollment codeDimitri Staessens2023-08-305-31/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | The common enrollment code between the unicast and broadcast IPCP included the same C source from a source file in the unicast and broadcast directories. Now it's handled by defining COMMON_SOURCES for the unicast and broadcast IPCP. For now, only the enrollment component is common. Two things are needed for the connection manager: * Routing to be fixed to use a supporting broadcast layer. Then management flows can be removed from the unicast IPCP (as they are in fact data transfer flows of the broadcast layer that supports the routing dissemination traffic). * DHT to enroll as part of IPCP enrollment. Now it enrolls when a data transfer flow is established to be more akin to how Kademlia nodes join a Kademlia DHT, but this should be revised to adhere more to O7s enrollment concepts. After that, the connection manager code will also be completely shared between the unicast and broadcast layer and the connmgr will also be common code. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Add IDs to enrollmentDimitri Staessens2023-08-239-224/+322
| | | | | | | | The enrollment messages now have a 64-bit ID to easier track enrollments in the logs in larger scale tests. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* include: Add option to prefix logs with an IDDimitri Staessens2023-08-231-21/+53
| | | | | | | | | | | | | | | | | | | | | | This adds the log_xxx_id() macros to print a logline prefixed with a 64-bit identifier in hex format, for instance: [2a92d78c2f52b76a] Hello ouroboros! The ID is assumed to be 8 bytes in big endian format (it uses the HASH_FMT functions and hashes are stored in big endian byte arrays). The implementation uses the compiler-specific '##' operator to allow empty variadics. E.g. func(arg , ## __VA_ARGS__); will eat the comma if __VA_ARGS__ is empty and thus allow func(arg); Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* include: Revise printing hashesDimitri Staessens2023-08-2311-33/+245
| | | | | | | | | | | The code was a bit convoluted to print hashes as hex strings. Renamed to HASH_FMT32 and HASH_VAL32 to make clear we are printing the first 32 bits only, and added options to print 64 up to 512 bits as well. This doesn't depend on endianness anymore. Adds a small test for the hash (printing) functions. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Fix exit status when failing on configfileDimitri Staessens2023-08-231-2/+5
| | | | | | | | If there was an error reading the configuration file, the IRMd would shutdown, but still return EXIT_SUCCESS instead of EXIT_FAILURE. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix lengths of shared memory objectsDimitri Staessens2023-08-233-23/+18
| | | | | | | | Seems like all shared memory objects were truncated to a size that came up a byte short. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Check lockfile first on initDimitri Staessens2023-08-231-27/+41
| | | | | | | | The IRMd will now check the lockfile before initializing any other internals. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix lockfile lengthDimitri Staessens2023-08-231-55/+39
| | | | | | | | Off-by-one error in lockfile file length. Refactor to reduce code duplication. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix signed/unsigned mismatches on raspbianDimitri Staessens2023-08-232-3/+3
| | | | | | | | Compilation on raspberry pi revealed some previously undetected signed/unsigned comparisons in the library. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* build: Link libcrypt and fix cmake compatibilityDimitri Staessens2023-08-232-4/+5
| | | | | | | | | | | | | | | Compatibility with versions of CMake older than 3.5 is deprecated from CMake 3.27 onwards, and will be removed from a future version. Calls to cmake_minimum_required() or cmake_policy() that set the policy version to an older value now issue a deprecation diagnostic. Fixed by indicating a max tested value for cmake_minimum_required(). Changed linking with OpenSSL to link with libcrypto only, we don't require libssl. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Simplify ipcp and name listingDimitri Staessens2023-08-041-41/+69
| | | | | | | | These functions were too complex. This splits off the creation of the info messages for each ipcp/name. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Fix leaked filedescriptors in ipcpd-udpDimitri Staessens2023-07-311-2/+10
| | | | | | | Found by GCC static analyzer. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix memleak in bitmap testDimitri Staessens2023-05-121-12/+13
| | | | | | | There was a missing bmp_destroy, refactored exiting after a failure. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Use CMAKE_INSTALL_SBINDIR to spawn IPCPsDimitri Staessens2023-04-032-10/+10
| | | | | | | | The "/sbin/" was hard-coded, which will fail if the installation SBIN directory is configured to something else. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Use consistent function namingDimitri Staessens2023-03-243-70/+70
| | | | | | | | | | For instance ipcp_udp_* vs eth_ipcp_*. Now all functions are <type>_ipcp_*. Als cleans up some minor things. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* icpdp: Fix layer information for ipcpd-udpDimitri Staessens2023-03-243-5/+5
| | | | | | | | | | | | | The refactors removed the need to set the hash algorithm for the ipcpd-udp and the ipcpd-broadcast. However, the algorithm was not set at bootstrap, so the ipcpd-udp was trying to use an SHA3-256 instead of an MD5, causing flow allocation over the UDP to fail. The ipcpd-broadcast used the default, so there was no problem. Fixed by setting the correct algorithm for these ipcpds at bootstrap. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Fix condvar initialization in ipcpd-udpDimitri Staessens2023-03-241-2/+13
| | | | | | | The clock was not explicitly initialized in the ipcpd-udp. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Move registry objects to their own sourcesDimitri Staessens2023-03-2122-1767/+1826
| | | | | | | | | | | | | | Rename internal data structures so it's clear that they are the IRMd representation of these objects for management purposes. Split functionality for these objects off and and move them to their own source files. Rename internal functions of the IRMd to reflect this, with some small refactoring. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* tools: Add raw_crypt spec to oping help messageDimitri Staessens2023-03-181-23/+25
| | | | | | | | The oping tool supports an encrypted raw flow (qos_raw_crypt), but this was not mentioned in the help. Some minor refactoring. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Use buffer_t for piggybacked dataDimitri Staessens2023-03-186-157/+138
| | | | | | | | | | Instead of passing a const void * and len, it now passes buffer_t to operations that send piggybacked data (flow_req_arr and flow_reply) and a buffer_t * for operations that send and receive piggybacked data (flow_alloc and flow_accept). Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Use deadline instead of timeout in mainloopDimitri Staessens2023-03-183-33/+25
| | | | | | | | Reduces the places where we need to do this conversion for pthread_cond_timedwait. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Remove unused function reg_entry_wait_stateDimitri Staessens2023-03-182-43/+0
| | | | | Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Fix long log line in enrollmentDimitri Staessens2023-03-181-1/+2
| | | | | Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Remove while loop around frcti_window_waitDimitri Staessens2023-03-181-4/+3
| | | | | | | That while loop is not needed anymore. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Split flow_alloc from flow_joinDimitri Staessens2023-03-183-57/+183
| | | | | | | | Better to keep these separate during IRMd revision. Moves the qosspec default out of the protobuf message parsing. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Remove semicolon after protobuf messagesDimitri Staessens2023-03-184-9/+9
| | | | | | | | Doesn't seem to be needed, this makes it uniform in all protobuf files. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* build: Fix TOML library variableDimitri Staessens2023-03-081-5/+6
| | | | | | | | LIBTOML_LIBRARIES should be explicitly set to "" if the TOML C99 library is not present. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Add configuration file supportDimitri Staessens2023-03-0836-465/+2212
| | | | | | | | | | | | | | | | | | | | | This adds initial support for configuration files using the C99 TOML parser (to be installed separately from https://github.com/cktan/tomlc99). The default location for the IRMd configuration file is /etc/ouroboros/irmd.conf. This is configurable at build time. An example file will be installed in the configuration directory with the name irmd.conf.example. Config file support can be disabled using the DISABLE_CONFIGFILE build option. There were some refactors and changes to the configuration messages and protobuf files. This works towards consolidation of protobuf C as an option for more generic handling of serialization/deserialization of various messages. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Fix cleanup of failed flowsDimitri Staessens2023-03-083-3/+7
| | | | | | | | If a flow allocation failed, the flow was left in a pending state instead of a failed state, which caused the irmd to hang on exit. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Fix address conversion in ipcpd-udpDimitri Staessens2023-03-011-2/+2
| | | | | | | Bug introduced in 269f25d3. The wrong pointer was passed to inet_ntop. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Refactor hash internalsDimitri Staessens2023-02-235-62/+42
| | | | | | | | The internal hash enum now matches the public one w.r.t. directory hash policies. This removes some unnecessary conversion. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: refactor IPCP configurationDimitri Staessens2023-02-1315-504/+537
| | | | | | | | | | The ipcp configuration struct now has internal structures for the different IPCPs and for IPCP components of the unicast IPCP. Split the very long IPCP main loop into individual handler functions. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* build: Update copyright to 2023Dimitri Staessens2023-02-13202-202/+202
| | | | | | | 2022 was a rather slow year... Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix prototypes missing 'void'Dimitri Staessens2023-02-136-14/+16
| | | | | | | Found by Clang version 15. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* build: Add version and symlinks to shared objects0.19.3Marco Casaroli2022-08-062-1/+11
| | | | | | Building with Yocto was giving some package QA warnings. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
* irmd: Refactor main functionDimitri Staessens2022-07-131-162/+192
| | | | | | | | This splits the main function into init/start/sigwait/stop/fini to make it easier to read, similar to the IPCPs. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Refactor main functionsDimitri Staessens2022-07-137-92/+78
| | | | | | | | | | | | | | | | | | | The structure of main functions of the IPCPs was a bit strange with a ipcp_shutdown() call that combined waiting for a terminating signal with stopping the internal threads. This is now revised into a symmetrical design of ipcp_start(), which now includes the create response towards the IRMd. ipcp_sigwait(), which waits for a shutdown signal ipcp_stop() that then stops the internal threads. Now the main() functions of the IPCPs will make sense without checking what that ipcp_shutdown() functions actually does. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix dealloc with unread keepalivesDimitri Staessens2022-05-251-12/+20
| | | | | | | | | The dealloc call will now always do a non-blocking read before attempting to destroy the rbuff, ensuring all keepalives are processed. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Fix deadlock on exit in udp, local, ethDimitri Staessens2022-05-223-6/+6
| | | | | | | | | | | The IPCP flow_set was getting destroyed with the IPCP main loop still running, causing potential deadlocks. Reported-by: Thijs Paelman Confirmed-by: Dimitri Staessens <dimitri@ouroboros.rocks> Tested-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Rename timerwheel_ack timerwheel_delayed_ack0.19.2Dimitri Staessens2022-04-133-8/+6
| | | | | | | | | This makes it clear that we are scheduling a potential delayed acknowledgment instead of acknowledging a packet scheduled for retransmission. Also some small cosmetic fixes. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix RTO update on timeoutDimitri Staessens2022-04-033-12/+9
| | | | | | | | | | | | | This fixes the RTO doubling on timeout according to Karn/Partridge. Exponentially increasing RTO when it times out (e.g. doubling) fixes the problem that a sudden increase in real RTT starves the sRTT updates by never getting out of backoff as retransmitted packets can't update RTT. Added an parameter to make it less aggressive, default is doubling. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Remove timerwheel from instanceDimitri Staessens2022-04-031-2/+0
| | | | | | | | There was an unused struct timerwheel * lingering in the application instance. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* build: Update copyright to 2022Dimitri Staessens2022-04-03202-202/+202
| | | | | | | Growing pains. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix delayed ACK under high loadDimitri Staessens2022-04-031-3/+9
| | | | | | | | | | The delayed ACK was wrongly measuring the delay against the receiver activity instead of the sender activity. Also fixed receiver activity not being updated for non-data packets (and duplicates and other dropped traffic). Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Add support for Linux RTT estimatorDimitri Staessens2022-04-033-2/+13
| | | | | | | | | | | | | This adds the option to use the Round-Trip-Time (RTT) estimation algorithm as it is implemented in the TCP implementation in Linux. It looks like it outperforms the TCP default algorithm, so I enabled this one by default. Also adds the option to change the RTO timeout calculation to include more (or less) than 4 times the mdev (specified as a power of 2. Left the default value to 2 (so, 4 mdevs), but 3 (8 mdevs) gives better results in my tests. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix fqueue_next handling of deallocated flowsDimitri Staessens2022-04-012-3/+8
| | | | | | | | | If a flow was deallocated while there were still unprocessed events in an fqueue, it would cause a SEGV in fqueue_next because it was not checking the validity of the returned flow descriptor. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix timing of delayed ACKsDimitri Staessens2022-04-012-7/+26
| | | | | | | | | | Delayed ACKs are now sent after twice the internal tick time. Fixes initial ACK record (rcv_cr.seqno) being uninitialized (0) when the first ACK was to be sent. Adds some FRCT metrics for number of received delayed (bare) ACKs and the RTT estimator. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Use struct portevent internallyDimitri Staessens2022-03-303-23/+32
| | | | | | | | The fqueues were relying on the fact that the portevent were two integers. This cleans that up a bit. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix use-after-free of recv_msgDimitri Staessens2022-03-301-10/+7
| | | | | | | The protobuf message was free'd before usage in flow_init. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* tools: Fix SEGV in oping with missing param valuesDimitri Staessens2022-03-301-12/+18
| | | | | | | If not passed a value for the last parameter, oping would SEGV. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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