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* ipcpd: Set IPCP states in common sourcesDimitri Staessens2023-08-301-4/+12
| | | | | | | | The state of the IPCP was set and checked in the main files, but it's more convenient to do it in the common source. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* icpdp: Fix layer information for ipcpd-udpDimitri Staessens2023-03-241-4/+3
| | | | | | | | | | | | | 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>
* irmd: Add configuration file supportDimitri Staessens2023-03-081-64/+12
| | | | | | | | | | | | | | | | | | | | | 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>
* lib: Refactor hash internalsDimitri Staessens2023-02-231-20/+2
| | | | | | | | 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 Staessens2023-02-131-290/+341
| | | | | | | | | | 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 Staessens2023-02-131-1/+1
| | | | | | | 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 Staessens2023-02-131-5/+5
| | | | | | | Found by Clang version 15. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Refactor main functionsDimitri Staessens2022-07-131-20/+37
| | | | | | | | | | | | | | | | | | | 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>
* build: Update copyright to 2022Dimitri Staessens2022-04-031-1/+1
| | | | | | | Growing pains. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Add np1_flow_read and np1_flow_write callsDimitri Staessens2022-03-301-6/+4
| | | | | | | | | | | | | | | | Reading/writing to (N + 1)-flows from the IPCP was using a raw QoS flow to bypass some functions in the ipcp_flow_read call. But this call was broken for keepalive packets. Fixing the ipcp_flow_read call for (N - 1) flows causes the IPCPs to drop 0-byte keepalive packets coming from (N + 1) client flows. >From now on, there is a dedicated call for (N + 1) reads/writes from the IPCPs that's more efficient and cleaner. The (N + 1) flow internal QoS is now also defaulted to a qos_np1 qosspec, instead of tampering with the qosspec requested by the (N + 1) client. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd, ipcp: Remove socket option in acceptloopDimitri Staessens2022-03-031-6/+1
| | | | | | | | | | | | | We cancel the thread, so the SO_RCVTIMEO is not needed anymore (it dated from when we checked the state every so often. The address sanitizer is complaining about the the cleanup handlers in the acceptloops after the thread gets cancelled in the read(). I've tried to resolve it, but no avail. Pretty convinced it's a false-positive, so ASan will ignore these functions for now. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Remove unused wait_state functionDimitri Staessens2022-02-181-31/+0
| | | | | | | Probably a leftover from previous shutdown logic. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Fix waiting for FRCP to time outDimitri Staessens2021-12-221-1/+1
| | | | | | | | | | The timeout variable was not correctly passed to the IPCP, causing flow IDs to be reused immediately instead of waiting for the full Delta-t to expire. This caused all kinds of havoc with retransmissions in reliable flows. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Fix fallthrough warningsDimitri Staessens2021-12-061-0/+4
| | | | | | | Some cases were not guarded by explicit fallthrough where needed. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Don't include prctl.h on non-linux systemsDimitri Staessens2021-09-051-2/+4
| | | | | | | prctl.h is linux only. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Don't use sigwaitinfo() on OS XDimitri Staessens2021-09-051-1/+13
| | | | | | | | | Apparently that function isn't implemented on some versions of OS X. On these systems, we can just use sigwait, but now the IPCP will also accept signals not coming from the IRMd. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Reduce Linux slack timerDimitri Staessens2021-07-121-0/+4
| | | | | | | | | This will reduce the linux high resolution slack timer in IPCPs. Linux default for userspace processes is 50us. It is configurable at build using IPCP_LINUX_SLACKTIMER_NS. Default is now 1us. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Fix layer info RIBDimitri Staessens2021-06-301-3/+8
| | | | | | | | Layer info was not converted to parse the full path with the latest RIB change. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Remove struct stat from RIB APIDimitri Staessens2021-06-281-22/+10
| | | | | | | | | | The RIB API had a struct stat in the getattr() function, which made all components that exposed variables via the RIB dependent on <sys/stat.h>. The rib now has its own struct rib_attr to set attributes such as size and last modified time. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib, ipcpd, irmd: Wrap pthread unlocks for cleanupDimitri Staessens2021-06-231-12/+6
| | | | | | | | | | | | This add an ouroboros/pthread.h header that wraps the pthread_..._unlock() functions for cleanup using pthread_cleanup_push() as this casting is not safe (and there were definitely bad casts in the code). The close() function is now also wrapped for cleanup in ouroboros/sockets.h. This allows enabling more compiler checks. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Move RIB initialization to common groundDimitri Staessens2021-06-211-5/+133
| | | | | | | | | | | | | | This moves Resource Information Base (RIB) initialization into the ipcp_init() function, so all IPCPs initialize a RIB. The RIB not shows some common IPCP information, such as the IPCP name, IPCP state and the layer name if the IPCP is part of a layer. The initialization of the hash algorithm and layer name was moved out of the common ipcp source because IPCPs may only know this information after enrollment. Some IPCPs were not even storing this information. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Single UDP port for the ipcpd-udp0.18.0Dimitri Staessens2021-01-031-2/+1
| | | | | | | | | | | | | | | | | | The UDP layer will now use a single (configurable) UDP port, default 3435. This makes it easer to allocate flows as a client from behind a NAT firewall without having to configure port forwarding rules. So basically, from now on Ouroboros traffic is transported over a bidirectional <src><port>:<dst><port> UDP tunnel. The reason for not using/allowing different client/server ports is that it would require reading from different sockets using select() or something similar, but since we need the EID anyway (mgmt packets arrive on the same server UDP port), there's not a lot of benefit in doing it. Now the operation is similar to the ipcpd-eth, with the port somewhat functioning as a "layer name", where in UDP, the Ethertype functions as a "layer name". Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* build: Update email addressesDimitri Staessens2021-01-031-2/+2
| | | | | | | | The ugent email addresses are shut down, updated to Ouroboros mail addresses. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* build: Update copyright to 2021Dimitri Staessens2021-01-031-1/+1
| | | | | | | Happy New Year, Ouroboros! Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Add congestion avoidance policiesDimitri Staessens2020-12-021-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds congestion avoidance policies to the unicast IPCP. The default policy is a multi-bit explicit congestion avoidance algorithm based on data-center TCP congestion avoidance (DCTCP) to relay information about the maximum queue depth that packets experienced to the receiver. There's also a "nop" policy to disable congestion avoidance for testing and benchmarking purposes. The (initial) API for congestion avoidance policies is: void * (* ctx_create)(void); void (* ctx_destroy)(void * ctx); These calls create / and or destroy a context for congestion control for a specific flow. Thread-safety of the context is the responsability of the flow allocator (operations on the ctx should be performed under a lock). ca_wnd_t (* ctx_update_snd)(void * ctx, size_t len); This is the sender call to update the context, and should be called for every packet that is sent on the flow. The len parameter in this API is the packet length, which allows calculating the bandwidth. It returns an opaque union type that is used for the call to check/wait if the congestion window is open or closed (and allowing to release locks before waiting). bool (* ctx_update_rcv)(void * ctx, size_t len, uint8_t ecn, uint16_t * ece); This is the call to update the flow congestion context on the receiver side. It should be called for every received packet. It gets the ecn value from the packet and its length, and returns the ECE (explicit congestion experienced) value to be sent to the sender in case of congestion. The boolean returned signals whether or not a congestion update needs to be sent. void (* ctx_update_ece)(void * ctx, uint16_t ece); This is the call for the sending side top update the context when it receives an ECE update from the receiver. void (* wnd_wait)(ca_wnd_t wnd); This is a (blocking) call that waits for the congestion window to clear. It should be stateless (to avoid waiting under locks). This may change later on if passing the context is needed for different algorithms. uint8_t (* calc_ecn)(int fd, size_t len); This is the call that intermediate IPCPs(routers) should use to update the ECN field on passing packets. The multi-bit ECN policy bases the value for the ECN field on the depth of the rbuff queue packets will be sent on. I created another call to grab the queue depth as fccntl is write-locking the application. We can further optimize this to avoid most locking on the rbuff. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib, ipcpd: piggyback ECDHE on flow allocationDimitri Staessens2020-02-251-3/+12
| | | | | | | | | | | 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>
* ipcpd: Configure PFF from routing policyDimitri Staessens2020-02-161-1/+0
| | | | | | | | | | | | 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>
* build: Update copyright to 20200.16.0Dimitri Staessens2020-01-021-1/+1
| | | | | Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* build: Refactor normal to unicastDimitri Staessens2019-07-291-1/+1
| | | | | | | | 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>
* ipcpd: Handle local IPCP case when parsing configDimitri Staessens2019-03-281-1/+3
| | | | | | | | | The default case in the configuration parsing prints an erroneous "Unknown IPCP type" message when a local IPCP is bootstrapped. The IPCP_LOCAL type is now handled separately (no action needed). Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Revise UDP IPCPDimitri Staessens2019-03-181-16/+18
| | | | | | | | | | | 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>
* build: Update copyright to 2019Dimitri Staessens2019-02-051-1/+1
| | | | | | | 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>
* include: Add a flow_join operation for broadcastDimitri Staessens2018-12-271-0/+33
| | | | | | | | | | | | 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>
* ipcpd: Add broadcast IPCPDimitri Staessens2018-10-241-2/+8
| | | | | | | | | | 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>
* tools: Specify QoS cube for data transfer flows0.13.0Dimitri Staessens2018-10-191-1/+3
| | | | | | | | | 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>
* ipcpd, irmd: Handle signal in main threadDimitri Staessens2018-10-181-60/+52
| | | | | | | | | The signals are now handled in the main thread instead of an asynchronous signal handler. The acceptloop is now correctly cancelled and the associated timeouts are removed. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib: Rename port_id to flow_idDimitri Staessens2018-10-051-8/+8
| | | | | | | Renames port_id to flow_id according to updated nomenclature. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib: Pass qosspec at flow allocationDimitri Staessens2018-10-051-2/+11
| | | | | | | | | | | | The flow allocator now passes the full qos specification to the endpoint, instead of just a cube. This is a more flexible architecture, as it makes QoS cubes internal to the layers. Adds endianness transforms for the flow allocator protocol in the normal IPCP. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* include: Remove _DEFAULT_SOURCE in endian.hDimitri Staessens2018-09-271-0/+4
| | | | | | | | This removes the _DEFAULT_SOURCE definition in the endian header as it should not be there. This avoids double and conflicting definitions. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* ipcpd: Fix parameter in debug logDimitri Staessens2018-05-081-2/+2
| | | | | | | | The cpu was a size_t but printed as an unsigned long, giving compilation errors on 32 bit machines. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib: Make UNIX socket buffer size configurable0.11.3Sander Vrijders2018-05-031-2/+2
| | | | | | | | | | This makes the buffer size used by the UNIX sockets configurable. In case of a lot of IPCPs in the system it might become too small with the default value, resulting in irm command failures. The user can now easily configure it with an adequate value. Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* ipcpd: Remove signal handler from ipcp.hDimitri Staessens2018-04-051-3/+4
| | | | | | | | The signal handler is completely embedded in the source file. There was no more need to call it from elsewhere. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* ipcpd: Enable locking threads to a CPU coreDimitri Staessens2018-04-051-0/+29
| | | | | | | | | This adds a function that locks a thread to a random core. This greatly improves performance on multi-cpu systems. There is no portable way to do this, this only implements it for GNU/Linux. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib: Simplify reg/unreg APIDimitri Staessens2018-03-221-7/+5
| | | | | | | | | | | | | | | | | | | | 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>
* ipcpd: Add IPCP over DIX EthernetDimitri Staessens2018-03-101-1/+6
| | | | | | | | | | | | | | | | | | 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>
* ipcpd: Revise Data Transfer component0.10.0Dimitri Staessens2018-02-131-23/+24
| | | | | | | | | | | This makes the TTL non-optional and allows the maximum (initial) value of the TTL to be specified at bootstrap (the default is set to 60). The fd in the DT PCI is now called EID (Endpoint ID). The names "dif" and "ae" have been replaced by "layer" and "component" respectively in all sources. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* include, src: Update copyright to 2018Dimitri Staessens2018-01-091-1/+1
| | | | | | | Happy New Year, Ouroboros. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* ipcpd: Use the term "layer" and deprecate "shim"Dimitri Staessens2017-12-191-4/+4
| | | | | | | | | | | | | | This changes the terminology to use layer instead of DIF and deprecate the word "shim" for the IPCPs that attach to Ethernet LLC and UDP .The terminology has not yet been changed in the variable names etc. This reflects the design choices in Ouroboros to make IPCPs pure resource allocators instead of also providing an "IPC service". The Ouroboros IPCPs that attach to Ethernet and UDP implement the allocator and are thus not really shims. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* ipcpd: Make hash algorithm configurableSander Vrijders2017-12-041-25/+23
| | | | | | | | | | This makes the hashing algorithm configurable once more for the local and the shim-eth-llc, since their scope is so small that it is up to the network administrator to select a correct algorithm for the whole network. Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* lib, tools: Rename application process and instanceDimitri Staessens2017-12-021-4/+4
| | | | | | | | | | | This refactors ouroboros to use "program" instead of "application process" and "process" instead of "application process instance" to align with current naming in current Operating Systems courses instead of the ISO nomenclature adopted by RINA. This change permeates through the entire implementation. Also contains some minor other refactors. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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