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* 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).
* lib: Add flow related ops to ipcp.hSander Vrijders2016-03-311-11/+48
| | | | | This adds the operations related to flows to ipcp.h. Previously it only contained operations on the IPCP level.
* Merged in sandervrijders/ouroboros/be-irmd (pull request #48)Dimitri Staessens2016-03-303-9/+5
|\ | | | | | | lib, irmd: Update communication with IRMd
| * lib, irmd: Update communication with IRMdSander Vrijders2016-03-303-9/+5
| | | | | | | | | | All messages sent to the IRMd now also get a reply back with the result of the operation.
* | Merge branch 'be' of bitbucket.org:ouroboros-rina/ouroboros into be-flowdimitri staessens2016-03-306-57/+44
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| * lib: fixes for instance_namedimitri staessens2016-03-301-2/+2
| | | | | | | | | | fixes wrong check, checks now use lazy evaluation changed the order of instance_name_cpy to (dst, src)
| * lib: renamed rina_name_t to instance_name_tdimitri staessens2016-03-306-57/+44
| | | | | | | | | | all functions taking a char * ap_name and uint id now take either a instance_name_t or instance_name_t *
* | lib: further fixes to flow APIdimitri staessens2016-03-301-1/+1
| | | | | | | | | | FLOW_O_INVALID now defined in terms of conflicting options bugfix in setopts
* | Merge branch 'be' of bitbucket.org:ouroboros-rina/ouroboros into HEADdimitri staessens2016-03-304-93/+41
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| * lib: Add ipcp_messages proto fileSander Vrijders2016-03-282-36/+18
| | | | | | | | | | This removes the custom ser/des methods for communicating with the IPCP daemon and also uses GPB instead.
| * lib, irmd: Use GPB for dev.c and IRMdSander Vrijders2016-03-281-47/+2
| | | | | | | | | | IRMd and dev.c now also use GPB instead of our own ser/des. irm_msg struct has been dropped as well as the methods associated with it.
| * lib: Update irm.h APISander Vrijders2016-03-282-13/+24
| | | | | | | | | | | | Removes rina_name_t from that API. Passing ap_name and api_id as params instead. The IRM tool has been updated accordingly. Some errors in the build related to protobuf-c have also been resolved.
| * build: Add protobuf-c commands for cmakeSander Vrijders2016-03-251-1/+1
| | | | | | | | | | | | This adds a cmake file so that the build can ask to generate protobuf-c files from .proto files. The messages between the IRM and the library are compiled into the library.
* | lib: api for handling flowsdimitri staessens2016-03-302-0/+62
|/ | | | | moved the flow definition to the library and made it public. thread-safety implemented without compiler checks.
* lib/ipcpd: fixed logging mistakedimitri staessens2016-03-251-3/+0
| | | | logs should be included in source, not in header
* lib: Shared Memorydimitri staessens2016-03-241-7/+4
| | | | | | | | Updated tests. Added code to drop a corner case (packet where the tail PCI would cross the edge of the ring buffer) because solving this very rare case is not worth the performance hit on the ringbuffer the extra code would incur. This means the ringbuffer might drop a very small percentage of packets.
* Merge branch 'be' of bitbucket.org:ouroboros-rina/ouroboros into be-shmdimitri staessens2016-03-246-33/+60
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| * Merged in sandervrijders/ouroboros/be-irm-msg (pull request #40)Dimitri Staessens2016-03-245-25/+40
| |\ | | | | | | | | | lib: Adds IRMd messages for the dev.h API calls
| | * lib: Adds IRMd messages for the dev.h API callsSander Vrijders2016-03-245-25/+40
| | | | | | | | | | | | | | | | | | This adds several messages for the dev.h API calls to communicate with the IRM daemon. The deserializing of these messages is still missing and the irmd hasn't been updated with them either.
| * | lib: updated log message formattingdimitri staessens2016-03-241-8/+20
| |/ | | | | | | | | | | | | | | | | logs will now display as follows: (EE): error, in red (WW): warning, in yellow (II): info, in green (NI): missing code, in blue (DB): debug messages in white
* | Merge branch 'be' of bitbucket.org:ouroboros-rina/ouroboros into be-shmdimitri staessens2016-03-232-18/+16
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| * tools: Simple echo applicationSander Vrijders2016-03-212-18/+16
| | | | | | | | | | | | This adds a simple echo application written to show application how to use the API. It also updates the dev.h header file with the insights gained from performing this excercise.
* | lib: optimization of ringbufferDimitri Staessens2016-03-201-1/+1
| | | | | | | | | | | | | | | | Got rid of divisions and modulo operations. Change in the meaning of a #define. SHM_DU_MAP_SIZE: is now an exponent of 2. Default is 10, allowing for 1024 blocks in the map.
* | lib: updated shm_du_map to be a hybrid ring bufferDimitri Staessens2016-03-191-3/+2
| | | | | | | | | | | | Elements must be created/destroyed in order, but IPCPs can access PCI while the PDU is in the ring buffer. Test updated, no more waits are needed.
* | lib: shared memory mapDimitri Staessens2016-03-192-0/+76
|/ | | | | | | | | | | | | | | | | | The shared memory map will allow passing SDU's between IPCPs efficiently. It is a single block of managed memory. SDU's are stored in a shm_du_buff datastructure, which is a list of blocks inside the shared memory region. The mechanism for passing SDU's is not yet implemented and could be either within the region or using another local IPC mechanism. The following things are configured at compile time: SHM_FILE_NAME : the name. Default is "ouroboros_du_map". SHM_DU_BUFF_BLOCK_SIZE: size of a block inside the shared memory region. Default is the pagesize of the system. SHM_DU_MAP_SIZE : the approximate size in bytes of the shared memory map. The actual filesize may differ by a small margin. Default is 4MB.
* lib: Add communication with IPCP daemonSander Vrijders2016-03-171-12/+38
| | | | | This adds the messages required for the IRMd to communicate with an IPC Process through the library.
* lib, irmd: Fix memleaksSander Vrijders2016-03-171-0/+2
| | | | | This removes some memleaks present in the sockets layer. It also fixes the bad initialization of the difs_size param in the irm_msg.
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