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* lib: Add lazy copy of flow_setdimitri staessens2016-09-071-8/+16
| | | | | | The flow_set now has a safe copy which is threadsafe for the select call without needing a lock. This greatly speeds up consecutive select calls.
* lib: dev: Provide a set of fds to flow_selectdimitri staessens2016-09-062-14/+165
| | | | | | | The flow_select call now takes as a parameter a flow_set_t, which specifies a set of flow descriptors that will unblock the select call when an SDU for one of them arrives. The select call has been moved to its own header.
* lib: dev: Add fd lookup tabledimitri staessens2016-09-031-23/+25
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* lib: dev: Refactordimitri staessens2016-09-031-182/+188
| | | | | Renamed _ap_instance to ai, adds a char * daf_name (to be set by ipcps in ipcp-dev.h, later to be set when we generalise enrolment to DAFs).
* Merged in dstaesse/ouroboros/be-split-fp (pull request #239)Sander Vrijders2016-09-021-2/+2
|\ | | | | | | src: Fix grammar (SDU's -> SDUs)
| * src: Fix grammar (SDU's -> SDUs)dimitri staessens2016-09-021-2/+2
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* | Merged in dstaesse/ouroboros/be-split-fp (pull request #238)Sander Vrijders2016-09-023-12/+49
|\| | | | | | | lib: Add northbound ringbuffers
| * lib: Add northbound ringbuffersdimitri staessens2016-09-023-12/+49
| | | | | | | | Fast path is split in north and southbound paths.
* | Merged in dstaesse/ouroboros/be-ipcp-dev (pull request #237)Sander Vrijders2016-09-021-33/+35
|\ \ | |/ |/| | | lib: ipcp: Decouple flow_dealloc
| * lib: ipcp: Decouple flow_deallocdimitri staessens2016-09-021-33/+35
| | | | | | | | Sending a dealloc to the irmd moved to its own call.
* | lib: Change rdrbuff API to use correct typesSander Vrijders2016-09-011-8/+8
|/ | | | | | The head and tail alloc and release operations were taking an int to identify the idx instead of a ssize_t. The size was a ssize_t instead of a size_t.
* lib, rdrbuff: Fix fast path lockupdimitri staessens2016-09-011-2/+5
| | | | Adds missing condition signals.
* lib, shm_rdrbuff: Fix preprocessor definedimitri staessens2016-08-311-15/+15
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* lib, ipcp: Compile on Apple junkdimitri staessens2016-08-304-34/+104
| | | | | | Disables robust mutexes and clock attributes for condition variables for compatibility with OSX (SUSv2). Implements clock_gettime and adds some defines for OSX compatibility in time_utils.
* lib: Refactor shm_du_map to shm_rdrbuffdimitri staessens2016-08-295-785/+850
| | | | | | | | | | The shm_du_map is renamed to shm_rdrbuff to reflect the Random Deletion Ringbuffer used in the implementation. The close_on_exit call is removed and SDUs are cleaned up by the application in the ap_fini() call. This required a non-blocking peek() operation in the shm_ap_rbuff. Some initial implementation for future support of qos cubes has been added to the shm_rdrbuff.
* lib, cdap: Fix message handlerdimitri staessens2016-08-291-1/+1
| | | | When getting a DELETE opcode, create was called instead of delete.
* cdap: Fix destructiondimitri staessens2016-08-271-6/+3
| | | | | Destroying NULL should succeed. Resources need to be freed even if flow_dealloc fails.
* irmd, lib: Rebuild the IRMd data modeldimitri staessens2016-08-214-81/+135
| | | | | | | | | | | | | | | | | | | | | | The complete data model inside the IRMd has been restructured. The bind operation was revised to allow binding of AP and AP instances and register those names with different DIFs (see "irm bind" for details). Server applications require to call ap_init with a server name argument, client application that do not the be reachable over any DIF can call ap_init(NULL). Calling ap_init for a client with a specified name will not have adverse consequences for the application, but will consume unnecessary resources in the IRMd. Application servers can now be started at any point after the IRMd has been started. Starting servers, binding AP names and registering names in DIFs can be performed in any order that does not defy temporal logic. Supports naming instances by their pid. In case of IPCP Instances created with the IRM tool, the name assigned during "irm ipcp create" can be used. All the changes required updates in the tools.
* ipcpd: normal: Handle enrollment repliesSander Vrijders2016-08-192-63/+92
| | | | | | | | This adds a condition variable with a timeout to the CDAP request so that we can respond correctly to the answer from the remote. It also adds a timeout to the condition variable waiting on completion of enrollment. Furthermore, for every CDAP callback a new thread is now spawned, to avoid deadlocking in case a callback is stuck.
* Merged in dstaesse/ouroboros/be-api-bind (pull request #203)Sander Vrijders2016-08-102-24/+61
|\ | | | | | | lib, irmd: Bind AP instances to AP_subsets
| * lib, irmd: Bind AP instances to AP_subsetsdimitri staessens2016-08-102-24/+61
| | | | | | | | | | | | | | This call will allow grouping AP instances of a certain AP together which are configured identically. Adds the bind operation to dev and updates the applications to make use of this call. Flow_alloc is now only called with the pid and doesn't send the apn anymore.
* | lib, irmd, ipcp: Add socket timeoutSander Vrijders2016-08-103-5/+26
|/ | | | | | This will add a timeout to the socket so that a process won't be blocked by the actions of the process with which it is communicating over the socket.
* ipcp, irmd, lib: Notify IRMd upon IPCP initializationSander Vrijders2016-08-102-17/+43
| | | | | | This will notify the IRMd when the IPCP is initialized and ready to receive messages. Previously a bootstrap could fail since the IPCP was not listening to the socket yet.
* lib: Fix cleanup for sending messagesdimitri staessens2016-08-092-35/+8
| | | | Cleanup handlers were not always popped.
* lib: dev.c: Release locks before blocking callsdimitri staessens2016-08-091-8/+23
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* lib: Various fixesdimitri staessens2016-08-093-22/+5
| | | | | Fix missing set of api upon flow_alloc. Various locking fixes.
* lib: shm_ap_rbuff: Fix cleanup of locksdimitri staessens2016-08-091-29/+20
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* lib: shm_ap_rbuff: Fix endless waitdimitri staessens2016-08-081-17/+37
| | | | | When the rbuff was empty, the blocking read would wait forever for a read.
* ipcpd: normal: Allow exchange of static DIF informationSander Vrijders2016-08-083-134/+76
| | | | | | This adds the functionality of exchanging the static DIF information between 2 DIF members. After exchange the enrollment is stopped, and the IPCP that initiated enrollment transitions to the enrolled state.
* lib, tools: Add POSIX version to source filesSander Vrijders2016-08-082-0/+2
| | | | | Sometimes the POSIX version was not set in source files. This caused the compiler to not find the timespec struct, since we are using C89.
* lib: shm_ap_rbuff: Remove obsolete clean functiondimitri staessens2016-08-061-15/+0
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* lib: shm_du_map: Fix wrong paddingdimitri staessens2016-08-061-3/+3
| | | | Padding was miscalculated, causing lockups in the fast path.
* lib:shm_du_map: Fix wrong element accessdimitri staessens2016-08-051-4/+5
| | | | The check whether the du map is empty should be first.
* lib: shm_du_map: Fix disabling MULTI_BLOCKdimitri staessens2016-08-041-2/+2
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* lib: ipcp.c: Fix memleak upon cancellationdimitri staessens2016-08-041-8/+14
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* lib: sockets: Fix cancellation cleanupdimitri staessens2016-08-041-2/+13
| | | | | When cancelled in read() the fd should be closed and the allocated memory freed.
* lib: shm_ap_rbuff: Fix memleakdimitri staessens2016-08-041-0/+1
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* lib: shm_du_map: Fix memory leakdimitri staessens2016-08-041-3/+2
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* lib: Revise blocking I/Odimitri staessens2016-08-033-120/+272
| | | | | | | | | Blocking I/O now uses condition variables in the shared memory instead of busy waiting. Timeouts can be specified. This requires the size of the rbuffs and du_map to be the same, to guarantee that when the shm_du_map is not full, the ap_rbuffs can't be full either. Added the timeout option to the flow for future use.
* lib: dev: Add select-like calldimitri staessens2016-08-033-66/+125
| | | | | | | This adds a flow_select() call that will sleep until an SDU can be read on a flow. It returns the file descriptor for which an SDU is ready. It takes as optional argument a timespec struct to specify a timeout.
* Merged in sandervrijders/ouroboros/be-enrolment (pull request #182)dimitri staessens2016-08-012-24/+28
|\ | | | | | | Be enrolment
| * ipcpd: normal: Allow initiating enrollmentSander Vrijders2016-08-012-1/+5
| | | | | | | | | | | | | | This will add more functionality for enrolling two normal IPCPs with each other. Some bugs were fixed in CDAP. Now on enrolling, an IPCP will send a START message to the other IPCP. Next step is syncing the RIBs.
| * Merge remote-tracking branch 'upstream/be' into be-enrolmentSander Vrijders2016-07-271-2/+0
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| * | ipcpd: normal: Provide initial steps for enrollmentSander Vrijders2016-07-271-23/+23
| | | | | | | | | | | | | | | | | | This provides the normal IPCP with bootstrapping and the initial steps for enrollment. Next step is actually reacting to an enrollment request and sending the data transfer constants.
* | | lib: Portability to FreeBSDdimitri staessens2016-07-293-5/+5
| |/ |/| | | | | | | | | | | | | | | | | Various portability fixes for FreeBSD. POSIX requires shm file names to start with a "/" to be portable. lseek(2) can be undefined on POSIX shm, replaced with ftruncate(2). IRMd check on existing lockfile more portable. FreeBSD 11.0 is preferred as it natively supports robust mutexes. Full working LLC implementation pending.
* | build: Fix wrong inclusionSander Vrijders2016-07-261-2/+0
|/ | | | | | The protobuf include directory was not being correctly handed to the compiler when building. Now the include directory is added project-wide. And the protobuf package is searched for only once.
* lib: Remove src_ap_name from ipcpd messagesdimitri staessens2016-07-121-8/+7
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* lib: Remove N-1 DIF param from enroll operationSander Vrijders2016-07-122-21/+18
| | | | | | This removes the parameter N-1 DIF from the enroll operation. IPCPs should just allocate a flow to a DIF name and let the N-1 DIF resolve it.
* lib: shm_du_map: PCI allocation / deallocationdimitri staessens2016-07-111-34/+90
| | | | | | Correct implementation of allocation for the Protocol Control Information. Also removes stale code checking for a corner case when the du map still wrapped multi-block SDU's.
* ipcpd: Deprecate ipcp_reg/ipcp_unregdimitri staessens2016-07-082-73/+6
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