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* | lib: shm_du_map: Clean sdus upon exitdimitri staessens2016-07-061-0/+1
|/ | | | | | | | When an application closes the shm_du_map, it will clean all remaining sdu's for that application. Adds a function to clean the shm_du_map on close. Fixes #20.
* irmd: Move registry to its own sourcesdimitri staessens2016-07-051-0/+3
| | | | | All registry functionality has been extracted from the IRMd to improve modularity and legibility of the code.
* lib, irmd: Fix clang and CI compilation errorsSander Vrijders2016-07-052-2/+1
| | | | | | This commit fixes some errors reported during compilation that were undiscovered by my gcc compiler but found by clang, and errors not found on my system but found by the CI platform.
* lib: Provide first implementation of revised CDAPSander Vrijders2016-07-056-153/+107
| | | | | | | | This commit introduces a first version of the revised CDAP specification. CACEP (for authentication purposes) has been separated from CDAP. Application developers may use CDAP if they find it useful. Within Ouroboros CDAP will be used to perform operations on the RIB of an IPCP.
* lib: shm_du_map full multi-block supportdimitri staessens2016-07-031-1/+2
| | | | | | | shm_du_map now fully supports multi-block SDU's when the SHM_DU_MAP_MULTI_BLOCK compilation flag is set (enabled by default). Fixes #11.
* lib: robust locking in shared memory and crash recoverydimitri staessens2016-07-023-34/+22
| | | | | | | | | | | | | | This PR enhances the shared memory providing recovery if a process crashes. It adds a SHM_DU_TIMEOUT_MICROS variable, setting an expiration time for SDU's when shared memory is full. If an application doesn't read a blocking SDU within this time, the shared memory will be cleansed of all SDU's for this application and the application's rbuff will be cleared. Some refactoring of the API's. Fixed wrong pthread checks in IRMd. Fixes #13 Fixes #14
* lib, ipcpd: removed du_buff and pcidimitri staessens2016-06-291-50/+0
| | | | Fixes #3
* lib, irmd, ipcpd: Change pid to apiSander Vrijders2016-06-282-16/+16
| | | | Changes the variable name as well to API instead of PID.
* lib, irmd, ipcpd: Change of IRM APISander Vrijders2016-06-285-121/+106
| | | | | | | | | | | | | | This changes the IRM API after discussions with Dimitri. The register operation is now split into a bind and register operation. The same for unregister; unbind and unregister. PIDs are now used as the application instance name. A name for a PID is only provided for scriptability in bash. It is therefore also no longer passed down to the IPCP. Every operation on an IPCP through the IRM API has to use the PID. Quering of the PIDs by name is possible. The IRM tool has been updated to use this new API as well. A subcommand 'ipcp' has been added for operations that take effect on IPCPs only. Fixes #12
* build: Fix installation prefixSander Vrijders2016-06-272-2/+2
| | | | | | The installation prefix was taking a trailing backslash, while it is common not to do so. Fixed it so that any trailing backslash is removed by the compilation and installation scripts.
* lib: Change DA header to NSMSander Vrijders2016-06-223-11/+17
| | | | | | Functionality that was previously thought to be part of the DIF Allocator is actually namespace management. Hence the file has been renamed and the API updated.
* lib: Remove implementation specific errnosSander Vrijders2016-06-221-4/+2
| | | | | This removes any implementation specific error numbers. Only errors that are implementation independent should be returned.
* lib: Add errnos specific for OuroborosSander Vrijders2016-06-226-8/+42
| | | | | | | This adds error numbers specificly for Ouroboros. It also refactors some of the header files that are installed. Fixes #2
* lib, irmd, ipcp: robust mutexesdimitri staessens2016-06-213-47/+8
| | | | | | | | Update to POSIX 200112L to allow use of robust mutexes in the shm_du_map. Removed the implementation of the rw_lock in favor of pthread_rwlock_t. Placeholder for the shm_du_map_sanitize function.
* lib, irmd: Change sockets and shm pathSander Vrijders2016-06-201-1/+1
| | | | | | Reverting from previous commit. Even when running Ouroboros sandboxed, the sockets and shared memory should be created in the default system paths.
* build: Change install directories and set correct permissionsSander Vrijders2016-06-202-3/+6
| | | | | | | | | This sets the correct install directories for all the binaries, library and header files. It also sets the right permissions on the sockets and shared memory so that regular users can also use the ouroboros library. Root privileges are required to run the irmd. Fixes #7
* irmd, lib: use shm_du_map as lockfile.dimitri staessens2016-06-171-0/+2
| | | | | | | | | | | | Added the pid of the irmd to the shm_du_map. The IRMd will check for an existing shm_du_map. If there is an existing file, it will exit if the owner IRMd is running or remove it if the owner IRMd is not running. Also simplifies calculation of the shm_du_map pointers and corrects exiting calls for the IRMd. Fixes #8.
* Merge remote-tracking branch 'upstream/be' into be-llcSander Vrijders2016-06-144-14/+17
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| * lib, dev: fixed commentdimitri staessens2016-06-141-1/+1
| | | | | | | | | | Comment updated to reflect removal of the AP name from flow allocation.
| * lib, irmd, tools, ipcpd: updates to dev API.dimitri staessens2016-06-134-13/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The registration function has been moved to the irm tool, applications now need to be registered by an administrator. Currently only supports one instance per registered name, and an AP can be registered under only one name. The irmd can now start a registered server application on demand. For the full functionality of the tool, execute "irm register". AP name removed from flow allocation. Flow allocation does not send the source ap name as it is quite useless. The accept() call now only returns the AE name.
* | ipcpd: Adds a shim over IEEE 802.2 over IEEE 802.3Sander Vrijders2016-06-142-11/+17
|/ | | | | This adds a shim over LLC over Ethernet. It uses the raw socket API to send messages directly over an interface.
* ipcpd: IPCP over local memorydimitri staessens2016-05-282-0/+2
| | | | | | | | | | | | | This introduces an IPC process that relays data between two local AP's over the shm_du_map. Only configuration it has is a DIF name. It required small modification elsewhere: lib: added support for the IPCP_LOCAL type irm: added support for the IPCP_LOCAL type dif_config: added the IPCP_LOCAL type tools: added support for the IPCP_LOCAL type
* tools: updated cbr with flood and sleep optionsdimitri staessens2016-05-272-2/+2
| | | | | | | The cbr client will now use busy waiting by default to control the sending rate. A --sleep option has been added to allow low CPU usage when sending at low data rates. A --flood option has been added that writes SDU's as fast as possible.
* lib: fixed time difference for timevalsdimitri staessens2016-05-241-2/+4
| | | | the structure is tv->tv_usec, not tv->tv_nsec
* tools: fixes comments on d74d67adimitri staessens2016-05-241-4/+7
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* tools, lib: cbr tool for bandwidth testingdimitri staessens2016-05-242-0/+76
| | | | | | | | The tool sends constant bandwidth traffic between a client and a server. cbr --help for more info. Adds time_utils.h to the library containing useful functions for arithmetic with timespec and timeval structures.
* lib, ipcpd, irmd: fixes deallocation and fast pathdimitri staessens2016-05-221-2/+3
| | | | | | The fast path has been rewritten to have certainty to read the correct flow. Deallocation will not release port_id's or fd's until they are explicitly released locally.
* lib: allow parallel connectionsdimitri staessens2016-05-201-0/+1
| | | | | | dev.c: read now only reads an SDU if is is for the correct port_id shm_ap_rbuff: added a function peek() that returns the port_id of the tail.
* lib: Add missing modulo calculationSander Vrijders2016-05-162-12/+12
| | | | | | Adds a missing modulo calculation that would result in index -1 being returned instead of zero when the ringbuffer skipped back to the beginning.
* lib: Fix header inclusionSander Vrijders2016-05-145-26/+27
| | | | | | This fixes wrong header inclusion that would make programs which are not developed within ouroboros fail upon compilation, since they would not find certain headers on their system.
* Merge remote-tracking branch 'upstream/be' into beSander Vrijders2016-05-141-0/+41
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| * lib: implementation of read/write locksdimitri staessens2016-05-132-0/+42
| | | | | | | | | | This adds read/write locks, allowing for concurrent reads on the locked datastructure. This is needed for the fast path.
* | lib, ipcpd, irmd: Add QoS cube definitionSander Vrijders2016-05-146-34/+59
|/ | | | | | | | | | This adds the QoS cube definition, which is an enum to select which QoS is needed in the IPCP. An application has to use the qos_spec in qos.h to define what it needs. The IRMd will map this unto a qos cube definition. Some headers are now also no longer installed on the system, since they are only to be used within the irmd and ipcps.
* include: added flow.h to CMakelistsdimitri staessens2016-05-121-0/+1
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* lib: dev: implementation of flow_cntldimitri staessens2016-05-122-1/+4
| | | | | allows setting the oflags to make flow_read and flow_write blocking or non-blocking (FLOW_O_NONBLOCK).
* ipcpd: Allow disabling of DNSSander Vrijders2016-05-101-2/+3
| | | | | | This allows someone to disable the use of DNS in the shim UDP. It also adds a config file specific for the shim UDP (which holds the nsupdate location). Certain defines were also moved to the global config file.
* lib: changed port_id to intdimitri staessens2016-05-081-14/+14
| | | | | returning -1 as uint32_t leads to bugs. also changed types in GPB to sint to use zigzag encoding.
* lib: changed SHM_AP_RBUFF to SHM_AP_RBUFF_PREFIXdimitri staessens2016-05-081-1/+1
| | | | This better reflects the use as the pid is appended to that name.
* irmd: flow allocation and fast pathdimitri staessens2016-05-077-14/+127
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit has a first implementation of flow allocation (the "slow path") and read/write (the "fast path") for ouroboros. It provides basic but unstable communications over the shared memory. It required a lot of changes all over the stack, and fixes a number of previously undetected issues. This PR still need heavy revision regarding data model, locking and cleanup. lib/dev: modifications to the API. It now uses an ap_init() call to set the AP name and sets the Instance ID to the pid of the process. It also binds the AP to the shared memory and creates tables for mappings in the fast path. A call to ap_fini() releases the resources. lib/shm_ap_rbuff: added ring buffer for data exchange between processes in the fast path. It passes an index in the shm_du_map. lib/shm_du_map: rewrote API to work with calls from dev.c. Garbage collector added. Tests updated to new API. ipcpd/ipcp-data: removed everything related to flows, as these are universal for all ap's and kept in ap_data (dev.c), or similar structs for shim ipcps. shim-udp: added flow allocator and read/write functions and shm elements. irmd: revised data model and structures necessary for flow allocation. tools: echo updated to new dev.h API. messaging system was updated to comply with new flow allocation messages. All exchanges use pid and port_id to bootstrap the fast path.
* ipcpd: Add registration to DNS serverSander Vrijders2016-04-271-0/+1
| | | | | This adds support for adding the application name to a BIND DNS server through the nsupdate utility.
* lib: client-side flow allocationdimitri staessens2016-04-271-0/+3
| | | | | flow allocation now propagates on the client side up to the IPCP. added UNKNOWN_AP and UNKNOWN_AE definitions to dev.h
* lib: irm.h create_ipcp now returns pid_tdimitri staessens2016-04-261-2/+4
| | | | | ipcp_create now returns the pid of the created process to allow for more efficient scripting.
* lib: instance ID's are now set to the process PIDdimitri staessens2016-04-262-4/+4
| | | | | | | | All instance-id's in ouroboros will be set by the system to the pid of the process associated with this application process instance. This means that the user has no way to choose the instance id's. Function calls that assumed manually defined instance id's have been replaced throughout the system.
* irmd: reg/unreg whatevercast namesdimitri staessens2016-04-221-11/+10
| | | | | | | | | | | | Unregistering ap's now works. An AP now registers/unregisters its AP-I by sending its AP name and its pid to the IRMd. The IPCPs register whatevercast names. An AP name is currently mapped on a whatevercast name represented by the same string literal. The IRMd allows registration of only one AP-I per AP. A Name Space Management system is needed in the processing system so we can resolve this completely. Changing the stack to register whatevercast names required some changes all over the ipcpd implemented and in the library.
* lib: moved flow header and source to ipcpddimitri staessens2016-04-192-64/+0
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* ipcpd: initial IPC processesdimitri staessens2016-04-183-12/+18
| | | | | | | | | | | Basic functions for implementation of IPC processes, and implementation of core functions of the shim IPCP over UDP. Updates to the build system to compile these IPC processes, as well as some fixes in the irmd (rudimentary capturing exit signals) and some fixes in the library, mainly relating to the messaging. Basic implementation of creation / bootstrapping / deletion of the shim UDP. Placeholders for other functions.
* lib: Change ipcp typesSander Vrijders2016-04-111-2/+2
| | | | | This changes the name of the IPCP types after discussions with Dimitri.
* lib, irmd, irm: Add dif_configSander Vrijders2016-04-087-32/+81
| | | | | | | | | This adds dif_config to the prototype, in which one is able to specify the parameters a DIF should have. The bootstrap operation of an IPCP takes this as parameter and is oblivious to whether it is a shim or a normal IPCP. The dif_config struct is also correctly serialized and deserialized and passed opaquely to the correct IPCP. This IPCP is in charge of deserializing it correctly.
* lib: Move strdup to utilsSander Vrijders2016-04-022-1/+4
| | | | This moves strdup to utils to make it globally available.
* lib: Implementation of flow related opsSander Vrijders2016-03-312-11/+9
| | | | | | This adds the messages that are sent to the IPCPs related to flows. Some messages are also sent to the IRMd (e.g. when a new flow arrives).
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