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| * lib: Cancel tpm threads instead of marking exitdimitri staessens2017-09-309-255/+261
|/ | | | | | | | | This makes the threadpool use pthread_cancel instead of setting an exit flag that threadpool managed threads check periodically. This drastically reduces CPU consumption in the irmd when running a lot of applications. It requires cancellation handlers in the ipcp and irmd to be implemented to ensure safe cancellation during operation and shutdown.
* Merged in sandervrijders/ouroboros/be-lfas (pull request #620)Sander Vrijders2017-09-2910-60/+285
|\ | | | | | | ipcpd: normal: Add Loop-Free Alternates routing
| * ipcpd: normal: React to flow events in link state policySander Vrijders2017-09-293-4/+56
| | | | | | | | | | | | This will let the link state policy react to flow up and down events by notifying the PFFs of the routing instances of this event so they can take an appropriate action.
| * ipcpd: normal: Add Loop-Free Alternates routingSander Vrijders2017-09-298-56/+229
|/ | | | | | This adds the Loop-Free Alternates (LFA) policy. In case a link goes down a LFA may be selected to route the SDUs on without causing loops instead of the main hop that just went down.
* Merged in sandervrijders/ouroboros/be-routing (pull request #617)Sander Vrijders2017-09-264-189/+288
|\ | | | | | | Be routing
| * ipcpd: normal: Add refcount to graph edgesSander Vrijders2017-09-263-22/+53
| | | | | | | | | | This adds a refcount to the graph edges so that it is only included in the calculation if both sides announced it.
| * ipcpd: normal: Keep index in vertex structSander Vrijders2017-09-252-27/+24
| | | | | | | | | | This keeps the index in the vertex struct so that is more easily available during Dijkstra.
| * ipcpd: normal: Simplify Dijkstra implementationSander Vrijders2017-09-251-25/+17
| | | | | | | | | | | | This simplifies the Dijkstra implementation by immediately setting the correct next hop during Dijkstra instead of looping through the list of predecessors afterwards.
| * ipcpd: normal: Simplify internal graph functionsSander Vrijders2017-09-251-38/+26
| | | | | | | | | | This simplifies several internal graph functions by passing an array of bools instead of an array of vertices.
| * ipcpd: normal: Return list as routing tableSander Vrijders2017-09-254-106/+197
| | | | | | | | | | | | This returns a list as routing table instead of a pointer to a pointer to a pointer, which simplifies the looping through the routing table and makes it more extensible for future additions.
* | Merged in sandervrijders/ouroboros/be-dht-fix (pull request #618)Sander Vrijders2017-09-261-3/+3
|\ \ | | | | | | | | | ipcpd: normal: Set clock to realtime clock
| * | ipcpd: normal: Set clock to realtime clockSander Vrijders2017-09-261-3/+3
| |/ | | | | | | | | | | A pthread_cond_wait was using the pthread_cond_clock and thereby timing out constantly, consuming 100% CPU. This changes it to use the realtime clock.
* | Merged in dstaesse/ouroboros/be-sched-mul (pull request #619)dimitri staessens2017-09-263-10/+14
|\ \ | |/ |/| | | ipcpd: Add multiplier to scale scheduler threads
| * ipcpd: Add multiplier to scale scheduler threadsdimitri staessens2017-09-253-10/+14
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* Merged in dstaesse/ouroboros/be-dht-deadlock-fix (pull request #616)dimitri staessens2017-09-241-27/+41
|\ | | | | | | ipcpd: Fix deadlock in DHT
| * ipcpd: Fix deadlock in DHTdimitri staessens2017-09-241-27/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | The lookup_update was waiting for the LU_INIT state to resolve under dht->lock which prevented that update. This PR fixes this bug, but leaves a (very rare) bug when the lookup_destroy is called while the lookup_update is waiting for the LU_INIT state to resolve. The solution also is a (harmless) lock inversion, but this is also not the best. Fixes #51 Fixes #52
* | Merged in dstaesse/ouroboros/be-dht-debugging (pull request #615)dimitri staessens2017-09-246-319/+417
|\| | | | | | | ipcpd: Fix compilation of DHT
| * ipcpd: Add threadpool manager to DHTdimitri staessens2017-09-246-319/+417
|/ | | | | | | | | | | This adds a threadpool manager to the DHT. This was needed because the detached thread could cause a data race on shutdown. The threadpool manager is revised to allow multiple instances in a single program. The irmd and ipcp now store commands in a buffer (list) instead of a single buffer before passing it to handler threads.
* Merged in dstaesse/ouroboros/be-bugfixes (pull request #614)dimitri staessens2017-09-233-81/+129
|\ | | | | | | Some bugfixes
| * ipcpd: Don't publish DHT entries under lockdimitri staessens2017-09-231-30/+85
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| * lib: Clean up bitmap implementationdimitri staessens2017-09-232-51/+44
| | | | | | | | | | | | There was a return -1 in the allocate call which is unsafe since -1 may be a valid id in the bitmap. Since it's a data structure for internal use, I replaced the NULL checks with assertions.
* | Merged in dstaesse/ouroboros/be-bugfixes (pull request #613)dimitri staessens2017-09-232-9/+17
|\| | | | | | | Some bugfixes
| * ipcpd: Lock dht before reading parametersdimitri staessens2017-09-231-7/+14
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| * 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.
* | Merged in sandervrijders/ouroboros/be-lockless (pull request #612)Sander Vrijders2017-09-221-2/+2
|\ \ | | | | | | | | | lib: Disable lockless rbuff by default
| * | lib: Disable lockless rbuff by defaultSander Vrijders2017-09-221-2/+2
|/ / | | | | | | | | This disables the lockless rbuff by default since it is less stable and tested.
* | Merged in dstaesse/ouroboros/be-dht-update-fix (pull request #611)dimitri staessens2017-09-221-1/+4
|\ \ | |/ |/| | | ipcpd: Fix DHT recursive lookup
| * ipcpd: Fix DHT recursive lookupdimitri staessens2017-09-221-1/+4
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* Merged in dstaesse/ouroboros/be-hashtable (pull request #610)dimitri staessens2017-09-212-0/+5
|\ | | | | | | lib: Include string.h in hashtable.c for memcpy
| * ipcpd: Mark len parameter as unused in simple_pffdimitri staessens2017-09-211-0/+4
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| * lib: Include string.h in hashtable.c for memcpydimitri staessens2017-09-211-0/+1
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* Merged in dstaesse/ouroboros/be-cancel (pull request #609)dimitri staessens2017-09-213-72/+85
|\ | | | | | | ipcpd: Cancel threads in IPCPs
| * ipcpd: Cancel threads in IPCPsdimitri staessens2017-09-213-72/+85
| | | | | | | | | | | | This reduces CPU consumption and shutdown times. Invalidates #43
* | Merged in sandervrijders/ouroboros/be-lfa-pff (pull request #607)Sander Vrijders2017-09-2112-77/+579
|\ \ | |/ |/| | | ipcpd: normal: Add alternate hop PFF
| * ipcpd: normal: Add alternate hop PFFSander Vrijders2017-09-2112-77/+579
| | | | | | | | | | This adds a PFF that returns an alternate hop as next hop in case the hop that would have been returned is down.
* | Merged in dstaesse/ouroboros/be-sched (pull request #608)dimitri staessens2017-09-213-61/+106
|\ \ | |/ |/| | | ipcpd: Use the kernel scheduler for QoS
| * ipcpd: Use the kernel scheduler for QoSdimitri staessens2017-09-213-61/+106
|/ | | | | | | | | This revises the sdu_scheduler of the normal IPCP to create a scheduler thread per QoS cube and let the kernel scheduler schedule them based on a priority. Priorities can be set at build time in a range of 0-100, which will be mapped onto a suitable priority for the kernel scheduler. The current scheduler policy is fixed to SCHED_RR since it is the most suitable scheduler defined by POSIX.
* Merged in dstaesse/ouroboros/be-rib (pull request #606)dimitri staessens2017-09-212-5/+3
|\ | | | | | | lib: Pass the fuse struct to the handling thread
| * lib: Pass the fuse struct to the handling threaddimitri staessens2017-09-212-5/+3
|/ | | | This avoids potential data races on rib.fuse.
* Merged in dstaesse/ouroboros/be-dht-revision (pull request #605)dimitri staessens2017-09-211-15/+58
|\ | | | | | | ipcpd: Handle DHT SDUs in different thread
| * ipcpd: Handle DHT SDUs in different threaddimitri staessens2017-09-201-15/+58
| | | | | | | | | | | | | | The DHT will now spawn a thread when receiving SDUs to avoid starvation of sdu scheduler threads. Also fixes some locking issues.
* | Merged in sandervrijders/ouroboros/be-pff (pull request #604)Sander Vrijders2017-09-2019-140/+422
|\ \ | | | | | | | | | ipcpd: normal: Make PFF policy-based
| * | ipcpd: normal: Make PFF policy-basedSander Vrijders2017-09-2019-140/+422
| | | | | | | | | | | | | | | This turns the PDU Forwarding Function of the IPCP into a policy. For now only the simple PFF policy is available.
* | | Merged in dstaesse/ouroboros/be-fuse-fix (pull request #603)dimitri staessens2017-09-201-0/+3
|\ \ \ | |/ / |/| / | |/ ipcpd: Fix shutdown of rib
| * ipcpd: Fix shutdown of ribdimitri staessens2017-09-201-0/+3
| | | | | | | | Fixes #50
* | Merged in dstaesse/ouroboros/be-gcrypt-init (pull request #602)dimitri staessens2017-09-204-3/+20
|\| | | | | | | irmd: Init libgcrypt before using it
| * irmd: Init libgcrypt before using itdimitri staessens2017-09-204-3/+20
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* Merged in dstaesse/ouroboros/be-dht-query-refuse (pull request #601)dimitri staessens2017-09-191-0/+3
|\ | | | | | | ipcpd: Refuse query when DHT not in running state
| * ipcpd: Refuse query when DHT not in running statedimitri staessens2017-09-191-0/+3
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* | Merged in dstaesse/ouroboros/be-fuse-msg (pull request #600)dimitri staessens2017-09-191-0/+2
|\ \ | | | | | | | | | build: Notify if FUSE is not installed
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