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* ipcpd: Use the term "layer" and deprecate "shim"Dimitri Staessens2017-12-191-1167/+0
| | | | | | | | | | | | | | 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: Remove protocol buffers from shim-udpSander Vrijders2017-12-041-60/+67
| | | | | | | | This will remove google protocol buffers from the shim-udp. It now uses packed structs, as supported by the compilers of choice. 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 Staessens2017-12-021-15/+13
| | | | | | | | | | | 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>
* lib: Deprecate ouroboros_init and ourboros_finidimitri staessens2017-10-141-1/+1
| | | | | | | | | | | | | | This commit deprecates ouroboros_init and ouroboros_fini and adds them as a constructor or destructor, causing these function to be run automatically when a program that links to the library calls and exits main(). For this to fully work, the library had to be split so that we can avoid the irmd calling these functions (the IRMd has to create the shm structures on which these calls depend). The library is split in 3 parts: libouroboros-dev, libouroboros-irm and libouroboros-common. The latter is linked to the other two so that including libouroboros-dev or libouroboros-irm will also link libouroboros-common.
* ipcpd: Fix data race in shim-udpdimitri staessens2017-09-231-2/+3
| | | | | This fixes a data race in the shim-udp where the alloc_lock was released before the ipcpi.alloc_id was set.
* ipcpd: Cancel threads in IPCPsdimitri staessens2017-09-211-35/+55
| | | | | | This reduces CPU consumption and shutdown times. Invalidates #43
* build: Fix DDNS tool detection for shim-udpdimitri staessens2017-09-131-8/+8
| | | | | | This fixes output when detecting DDNS tools and homogenizes output and the APIs used to pass variables between the build system and the sources. Fixes some minor issues and typos).
* ipcpd: Add check if name was already registeredSander Vrijders2017-08-301-10/+2
| | | | | This adds a check in the shims if a name was already registered, since it should not return an error.
* dev: Revise fqueue API and add man pagesdimitri staessens2017-08-291-9/+9
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* lib, ipcpd, irmd: Fix bugs reported by static analysisSander Vrijders2017-08-291-4/+2
| | | | This fixes several bugs as reported by the clang static analyzer.
* tools: Add tool to connect IPCP componentsdimitri staessens2017-08-281-1/+3
| | | | | | | | | | | | This enables user-written tools to instruct IPCPs to establish and tear down connections (a.k.a. adjacencies) between its internal components (Management and Data Transfer). For more info, do "irm ipcp connect" or "irm ipcp disconnect" on the command line. This commit exposes a deletion bug in the RIB where FSO's fail to unpack/parse. This will be fixed when the RIB is deprecated.
* build: Revise the build systemdimitri staessens2017-08-211-13/+27
| | | | | | | | | | This revises the build system to have configuration per system component. System settings can now be set using cmake. The standard compliance defines were removed from configuration header and are set in the sources where needed. Also some small code refactors, such as moving the data for shims out of the ipcp structure to the respective shims were performed.
* build: Replace fsf snail mail with contact URLdimitri staessens2017-08-131-1/+1
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* ipcpd: Fix pthread_cond_timedwait deadlinesdimitri staessens2017-08-031-4/+14
| | | | | | This fixes pthread_condtimedwaits in the flow allocator of all IPCPs that had bad deadlines set (the interval instead of the actual absolute time).
* ipcpd, lib, irmd: Hardcode shim hash algorithmsSander Vrijders2017-07-121-2/+0
| | | | | | | This will hardcode the shim hash algorithms as they don't have an enrollment phase. Fixes #44
* ipcpd: Shutdown shim-udp without cancellationdimitri staessens2017-07-121-17/+14
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* lib, ipcpd, irmd: Add full-fledged QoSSander Vrijders2017-06-211-9/+5
| | | | | | | This adds more Quality of Service support to Ouroboros. One part is the network specific characteristics such as bandwidth, delay, ... The other part is end-to-end QoS like reliability, window based flow control, ...
* Merged in dstaesse/ouroboros/be-macro (pull request #514)dimitri staessens2017-06-051-1/+1
|\ | | | | | | include: Fix macro for printing hash
| * include: Fix macro for printing hashdimitri staessens2017-06-041-1/+1
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* | ipcpd: Fix flow allocation over UDP shimdimitri staessens2017-06-041-1/+1
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* ipcpd: Allow specifying fixed syntaxdimitri staessens2017-05-151-1/+1
| | | | | | This commits adds the functions and messages to specify a fixed protocol syntax during CACEP. It also revises the messages for specifying the DT protocol syntax from the irm tool.
* lib: Add call to reserve blocks in rdrbuffdimitri staessens2017-04-261-2/+2
| | | | | | | This adds a call ipcp_sdb_reserve to reserve memory in the rdrbuff without directly writing to a flow. The ipcp_flow_del function was renamed to ipcp_sdb_release. The functions operating on sdbs are moved to their own header.
* ipcpd: Allow specifying the hash algorithm to usedimitri staessens2017-04-161-6/+6
| | | | Currently CRC32, MD5, and SHA3 (224, 256, 384 and 512 bit) are supported.
* lib, ipcpd, irmd: Register hash instead of namedimitri staessens2017-04-131-204/+63
| | | | | | | | | All information passed over the IRMd/IPCP boundary for using IPC services (flow allocation, registration) is now hashed. This effectively fixes the shared namespace between DIFs and the IRMDs. This PR also fixes some API issues (adding const identifiers), shuffles the include headers a bit and some small bugs.
* ipcpd: Fix race condition with concurrent allocsdimitri staessens2017-04-061-5/+37
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* ipcpd: Add lock for allocation requestsSander Vrijders2017-04-051-0/+4
| | | | | This adds a lock to prevent a race condition between flow_req_arr and flow_alloc_resp.
* ipcpd: Fix some bad lockingdimitri staessens2017-04-031-24/+23
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* Change email addresses to ugent.beSander Vrijders2017-03-031-1/+2
| | | | | | | Our mailserver was migrated from intec.ugent.be to the central ugent.be emailserver. This PR updates the header files to reflect this change as well. Some header files were also homogenized if the parameters within the functions were badly aligned.
* lib: Remove application entity nameSander Vrijders2017-02-241-10/+2
| | | | | The AE name should not be passed over the layer boundaries. If an application has more than one AE it should exchange this in CACEP.
* ipcpd: Remove logging if not initialized yetSander Vrijders2017-02-101-1/+0
| | | | | | This removes the logs that would print to stdout if the IPCP fails to initialize. If the user had asked that logs would be printed to the syslog this would be unwanted behaviour.
* ipcpd, lib: Report IPCP creation failuredimitri staessens2017-02-091-1/+4
| | | | | | | | The IPCP will now respond with an ipcp_create_r message when it fails, informing the IRMd. Also adds some const qualifiers in the public headers and fixes some formatting in dev.c.
* lib: Log to the logging systemdimitri staessens2017-02-081-88/+77
| | | | | | | | | | This removes the logfile and outputs log messages to the logging system. The creation of the logfiles (as well as the ap_init() call) were moved into ipcp_init() to simplify the IPCP creation and shutdown. Fixes #25 Fixes #27
* ipcpd: Refactor ipcpi structdimitri staessens2017-02-071-12/+18
| | | | | | | | | The ipcp-ops header was removed and merged into ipcp.h. The common components dif_name and ipcp_type have been moved to the main ipcp struct. After this move, ipcp_data only contained shim information, so it was renamed to shim_data. The ipcp_init() function checks the type and will only include the shim_data if the type is not an IPCP_NORMAL. All ipcps have been adapted to this change in API.
* ipcpd: Remove strdup() from ipcp main loopdimitri staessens2017-02-031-1/+9
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* ipcpd: Don't strdup() the dif_name in main loopdimitri staessens2017-01-291-3/+0
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* ipcpd: Let IPCPs bind a nameSander Vrijders2017-01-091-7/+1
| | | | | | | This allows IPCPs to bind a name, so that they can announce their name to neighbors which can then allocate a flow to them. Registering of the name happens by an administrator. It also moves the irmd_api to common ground, since it is used by all IPCPs.
* ipcpd: Add boot and shutdown operationsdimitri staessens2017-01-041-2/+13
| | | | | | | These operations separe the starting and joining of the main ipcp threads into ipcp_boot() and ipcp_shutdown() operations. This allows the proper cleanup of user data and user threads after the IPCP is requested to shut down.
* Merged in dstaesse/ouroboros/be-normal-refactor (pull request #331)Sander Vrijders2017-01-041-2/+1
|\ | | | | | | ipcpd: Refactor normal ipcp, initial commit
| * ipcpd: Refactor of normal IPCPdimitri staessens2017-01-041-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Reorganizes the normal IPCP a bit to make sure internal components do not need to access the state of the IPCP. The IPCP has now a thread calling accept and delegating it to the correct component based on the AE name (this used to be in the fmgr). Internal components are initialized upon enrollment or bootstrap of the IPCP. If a step fails, the IPCP goes back to the INIT state, if all components boot correctly, it goes to the operational state. RIB synchronization is still done by sending a CDAP start/stop and syncing with a ribmgr state, but needs revision later on.
* | lib, ipcpd, irmd: Proof of concept QoSdimitri staessens2017-01-031-12/+20
|/ | | | | | | | | | Now correctly relays the qoscube end-to-end in the stack. A simple function specifying the cube in the spec is used for initial testing. The translation is now done in dev.c, but it could be moved elsewhere when qos cabability matures and the need arises.
* ouroboros: Correct license statementsdimitri staessens2016-12-241-3/+2
| | | | | This corrects the license statements on all files. Installed headers are LGPLv2.1, the rest of the code is GPLv2.
* ipcpd, lib, irmd: Update to use qoscube_tdimitri staessens2016-12-241-4/+4
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* ipcpd: Change IPCP_RUNNING to IPCP_OPERATIONALSander Vrijders2016-12-061-7/+7
| | | | Changes a state of the IPCP to a more correct terminology.
* ipcpd: Split IPCP state PENDING_ENROLSander Vrijders2016-11-301-7/+7
| | | | | | | | This will split the IPCP state PENDING_ENROL into IPCP_CONFIG and IPCP_BOOTING. IPCP_CONFIG is concerned only with configuring the IPCP with the bare essence. When in IPCP_BOOTING, the IPCP will complete its configuration by starting its policies, and thus making the IPCP completely functioning.
* lib, ipcpd: Improve flow allocationdimitri staessens2016-10-311-22/+36
| | | | | | | All calls for opening rbuffs are now concentrated on the dev side. This allows some simplifications in the np1 calls. The ipcp_fini call will not destroy the mutex associated with the state, since the final state needs to be checked before shutting down an IPCP.
* ipcpd: Remove unnecessary include of fcntldimitri staessens2016-10-311-1/+0
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* ipcpd: Clean shutdown when bootstrap failsdimitri staessens2016-10-311-10/+16
| | | | | Fixes a double free (conf->dif_name) and the handling of non-created threads when the bootstrap of an IPCP fails
* ipcpd: Fix bad lock in shim-udpdimitri staessens2016-10-261-11/+10
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* lib, ipcpd: Further stabilization of flowsdimitri staessens2016-10-261-81/+4
| | | | | | | | | | | The steps for flow deallocation have been further refined. An operation ipcp_flow_fini() which wait for all SDUs to be read from a flow has been added. The shim IPCPs and the local IPCP have been adapted to this new API. Deallocation messages have been removed from the shim IPCPs, since there is insufficient state synchronisation between them to make this work reliably.
* ipcpd: shim-udp: Add check for directory entrySander Vrijders2016-10-261-0/+5
| | | | | | A check was missing in the shim UDP if the destination was already present in the directory, in which case no further queries were needed.
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