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* irmd: fixed unlock after freedimitri staessens2016-05-161-2/+4
| | | | unlock is now called before the object is destroyed.
* irmd: new locking implementationdimitri staessens2016-05-161-175/+221
| | | | | | | This locking should be more consistent, It now has three locks, one guarding flows and port_id's, one guarding the registered apps and ipcps, and one guarding the overall state of the irmd. There are two additional mutexes guarding the condition variables.
* lib: allow accepting any flowsdimitri staessens2016-05-151-7/+7
| | | | The application can call accept(fd, NULL, NULL);
* lib: cleanup file descriptors for shared memorydimitri staessens2016-05-153-2/+21
| | | | | cleanup of file descriptors for the shared memory. also adds a missing NULL check and some invalidation in dev.c
* ipcpd: Move lock in ipcp_udp_listenerSander Vrijders2016-05-151-2/+2
| | | | | This takes a lock before notifying the IRMd of a new flow request, to avoid race conditions when trying to retrieve the fd by port-id.
* ipcpd: shim-udp: added missing checksdimitri staessens2016-05-151-10/+10
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* lib: shm_ap_rbuff: simplified file offsetsdimitri staessens2016-05-151-13/+9
| | | | Used simpler pointer arithmetic to calculate the file offset pointers.
* lib: irmd: fixed flow deallocationdimitri staessens2016-05-152-7/+12
| | | | | Port_id's weren't correctly released. Also removes remaining debug logs from the library.
* ipcpd: shim-udp: fixed locking.dimitri staessens2016-05-141-15/+21
| | | | | The fd_to_port_id function has no internal locking and must now be called under lock.
* Merged in sandervrijders/ouroboros/be (pull request #84)dimitri staessens2016-05-1410-75/+59
|\ | | | | | | lib, ipcpd, irmd: Add QoS cube definition
| * lib: Fix header inclusionSander Vrijders2016-05-141-0/+1
| | | | | | | | | | | | 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 Vrijders2016-05-142-0/+128
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| * | lib, ipcpd, irmd: Add QoS cube definitionSander Vrijders2016-05-1410-75/+58
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* | | Merged in dstaesse/ouroboros/dev-initialise (pull request #85)Sander Vrijders2016-05-142-37/+179
|\ \ \ | | | | | | | | | | | | lib: dev.c: added locking
| * | | lib: dev.c: added lockingdimitri staessens2016-05-142-37/+179
| | |/ | |/| | | | | | | | | | Locking is required for multi-threaded applications. Flows are locked separately. Read/Write locks are used for concurrent reads.
| * | Merge branch 'be' of bitbucket.org:ouroboros-rina/ouroboros into be-rw_lockdimitri staessens2016-05-141-5/+4
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| | * lib: shm_ap_rbuff: removed bad memory allocationdimitri staessens2016-05-141-5/+4
| | | | | | | | | | | | | | | moved a malloc so there is no malloc/free when there is no data to be read from the shm_ap_rbuff.
* | | ipcpd: shim-udp: log error when failed sending SDUdimitri staessens2016-05-141-1/+2
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* | | ipcpd: shim-udp: complete lockingdimitri staessens2016-05-144-114/+390
|/ / | | | | | | | | | | | | Added necessary locks for the shim-udp. This PR also improves thread management, the main thread now starts a mainloop thread, which spawns sdu handler threads when it the IPCP is enrolled. If the IPCP exits the enrolled state, the sdu loop is cancelled.
* | lib: fixed a bug in the rw_lockdimitri staessens2016-05-141-3/+5
| | | | | | | | Locking the main mutex should happen while the counter is locked.
* | lib: implementation of read/write locksdimitri staessens2016-05-132-0/+126
|/ | | | | This adds read/write locks, allowing for concurrent reads on the locked datastructure. This is needed for the fast path.
* lib: shm_ap_rbuff: small fixesdimitri staessens2016-05-121-5/+0
| | | | Unnecessary filename string removed. Formatting fix.
* irmd: fixed bad locking and added cleanupdimitri staessens2016-05-121-1/+6
| | | | flow_alloc_res had missing cleanup, added missing unlock.
* dev: fixed wrong bracket placementdimitri staessens2016-05-121-2/+1
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* lib: dev: implementation of flow_cntldimitri staessens2016-05-122-9/+35
| | | | | allows setting the oflags to make flow_read and flow_write blocking or non-blocking (FLOW_O_NONBLOCK).
* irmd: cleanupdimitri staessens2016-05-121-12/+115
| | | | improved cleanup when killing the IRMd.
* ipcpd: threading and cleanup of ipcpd_udpdimitri staessens2016-05-111-98/+40
| | | | | The shim_udp now correctly destroys its ringbuffer on exit. Now handles sdu's in a single thread using select() with a 10 us timeout.
* ipcpd: Fix unitialized valueSander Vrijders2016-05-101-2/+2
| | | | | A value that was unitialized was being treated as an error in the release build with gcc.
* ipcpd: Add nslookup to shim UDPSander Vrijders2016-05-103-25/+156
| | | | | This adds nslookup support to the shim UDP, so that a custom DNS server can be queried.
* ipcpd: Allow disabling of DNSSander Vrijders2016-05-104-41/+81
| | | | | | 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.
* irmd: added dedicated locks for signalingdimitri staessens2016-05-101-9/+40
| | | | | it's more robust to use dedicated locks for pthread_cond_signal so no other threads can be waiting for the mutex.
* irmd: fixed potential data racesdimitri staessens2016-05-101-8/+10
| | | | | bmp_allocate should be called under lock. Helgrind does not give warnings anymore during flow allocation.
* IRMd: set number of thread back to 3 (minimum)dimitri staessens2016-05-101-1/+1
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* irmd: introduced lockingdimitri staessens2016-05-103-142/+287
| | | | | This commit adds locking to the IRMd with a single global lock. It also fixes some issues in cleaning up the daemon.
* Merge branch 'be' of bitbucket.org:ouroboros-rina/ouroboros into irmd-threadsdimitri staessens2016-05-103-9/+9
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| * Merged in sandervrijders/ouroboros/be (pull request #71)dimitri staessens2016-05-103-9/+9
| |\ | | | | | | | | | Fixes some log messages
| | * tools: Fix log messages in echo appSander Vrijders2016-05-102-8/+8
| | | | | | | | | | | | | | | This fixes bad indentation and log messages without a newline in the echo application.
| | * tools: Fix log message in irm toolSander Vrijders2016-05-101-1/+1
| | | | | | | | | | | | | | | A wrong log message was being printed if the bootstrap command was called with a wrong parameter.
* | | irmd: use pthread_cond_waitdimitri staessens2016-05-091-23/+29
|/ / | | | | | | | | | | The initial implementation looped on a nanosleep to wait for an incoming flow allocation request. This implementation is now corrected with the necessary locks and the thread sleeps on a condition variable.
* / lib/test: removed the test for the shm_du_mapdimitri staessens2016-05-093-197/+1
|/ | | | | | | The test had a synchronisation issue. Due to rebuild of the shm_du_map for random access, there was also a hack in the shm_du_map specifically to run this test. Because of this hack, the decision was made to drop this test.
* ipcpd-udp: fixed missing closedimitri staessens2016-05-081-0/+1
| | | | caused the shim to run out of file descriptors fast...
* lib: fixed enormous memory leak in shm_ap_rbuffdimitri staessens2016-05-081-3/+6
| | | | thanks Sander ;)
* lib: changed port_id to intdimitri staessens2016-05-089-62/+59
| | | | | 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 staessens2016-05-081-4/+4
| | | | This better reflects the use as the pid is appended to that name.
* lib/irmd/ipcpd/tools: fixes comments on eb9f443dimitri staessens2016-05-085-21/+38
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* irmd: flow allocation and fast pathdimitri staessens2016-05-0721-758/+1714
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Vrijders2016-04-272-19/+120
| | | | | This adds support for adding the application name to a BIND DNS server through the nsupdate utility.
* lib: client-side flow allocationdimitri staessens2016-04-274-13/+49
| | | | | flow allocation now propagates on the client side up to the IPCP. added UNKNOWN_AP and UNKNOWN_AE definitions to dev.h
* ipcpd: Hide IRMd messages and fix formattingSander Vrijders2016-04-273-64/+40
| | | | | This abstracts away the IRMd messages by calling the functions from ipcp.h in the ouroboros library. It also fixes some formatting issues.
* ipcpd: Fix shim-udp-testSander Vrijders2016-04-271-2/+2
| | | | | This fixes the shim-udp-test, which was using a non null-terminated string, which caused it to fail on some systems.
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