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| * ipcpd: normal: Add alternate hop PFFSander Vrijders2017-09-217-13/+482
| | | | | | | | | | This adds a PFF that returns an alternate hop as next hop in case the hop that would have been returned is down.
* | ipcpd: Use the kernel scheduler for QoSdimitri staessens2017-09-211-58/+85
|/ | | | | | | | | 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.
* lib: Pass the fuse struct to the handling threaddimitri staessens2017-09-211-1/+1
| | | | 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.
* | ipcpd: normal: Make PFF policy-basedSander Vrijders2017-09-2014-135/+398
|/ | | | | 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-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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* | ipcpd: Fix contact list in DHTdimitri staessens2017-09-191-3/+3
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* ipcpd: Enroll DHT when creating dt connectiondimitri staessens2017-09-197-90/+139
| | | | | | | | | The DHT will now enroll or sync when a data transfer connection is added. This avoids the need to create a temporary data transfer connection during enrollment (and speeds it up considerably). The notifier system was modified to take an opaque pointer to the object that registers as a parameter.
* ipcpd, lib: Add flow down eventsSander Vrijders2017-09-192-8/+18
| | | | | | | | This adds the flow down event to Ouroboros. In the shim-eth-llc, a netlink socket is opened which listens to device up/down events. For each event the flow is then adjusted with fccntl to notify the user the flow is down or back up again. In the normal IPCP an event is thrown if a write reports that the flow is down.
* ipcpd: Fix src and dst in link-state advertisementsdimitri staessens2017-09-181-2/+2
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* lib: Provide RIB API to export internals via fusedimitri staessens2017-09-182-13/+132
| | | | | | | This adds a virtual RIB that is accessible as a filesystem that is accessed through a fuse mountpoint (configurable , default is /tmp/ouroboros). Currently, each IPCP will export its link state database.
* ipcpd: Revise internals of normal IPCPdimitri staessens2017-09-1224-1167/+569
| | | | | | | | This removes the RIB as a datastructure and CDAP as the protocol between IPCPs. CDAP, the rib and related sources are deprecated. The link-state protocol policy is udpated to use its own protocol based on a simple broadcast strategy along a tree. The neighbors struct is deprecated and moved to the library as a generic notifier component.
* Merged in dstaesse/ouroboros/be-dht-deadlock (pull request #588)dimitri staessens2017-09-081-6/+4
|\ | | | | | | ipcpd: Shutdown DHT work thread first at destroy
| * ipcpd: Shutdown DHT work thread first at destroydimitri staessens2017-09-071-6/+4
| | | | | | | | This prevents a potential deadlock on the wrlock.
* | ipcpd: Fix double finalization after some failuresdimitri staessens2017-09-071-5/+4
|/ | | | | When enroll or bootstrap failed, finalize_components could be called twice, resulting in double frees or use-after-free.
* ipcpd: normal: Avoid redefining a typedefSander Vrijders2017-09-061-2/+1
| | | | | This avoids a redefinition of a typedef which is a C11 feature, and thus not supported by clang when the c89 switch is enabled.
* ipcpd: normal: Simplify enroll APISander Vrijders2017-09-015-12/+10
| | | | | | | This will remove the dst parameter from enroll_boot, since it was only being used in logging. It also turns some other debug logs into info logs, and makes the component names as they are used in logs all lowercase.
* ipcpd: Fix thread leaks in normal IPCPdimitri staessens2017-08-292-2/+2
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* ipcpd: Fix missing unlock in dhtdimitri staessens2017-08-291-1/+2
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* Merged in dstaesse/ouroboros/be-dht (pull request #577)dimitri staessens2017-08-291-16/+23
|\ | | | | | | ipcpd: Fix state in dht lookup at lookup_wait
| * ipcpd: Fix state in dht lookup at lookup_waitdimitri staessens2017-08-291-16/+23
| | | | | | | | | | | | | | | | | | | | | | The correct state was returned but not set internally in the lookup_struct, causing lookup_wait to return a lookup in LU_PENDING if the wait timedout. This also unlocks the IRMd during register calls and fixes some cleanup if lookup_wait gets interrupted. Fixes #48
* | Merged in sandervrijders/ouroboros/be-fix-authors (pull request #575)Sander Vrijders2017-08-293-6/+6
|\ \ | |/ |/| | | lib, ipcpd: Fix e-mail addresses in protobuf files
| * lib, ipcpd: Fix e-mail addresses in protobuf filesSander Vrijders2017-08-293-6/+6
| | | | | | | | This fixes the wrong e-mail addresses in the protobuf files.
* | dev: Revise fqueue API and add man pagesdimitri staessens2017-08-291-9/+9
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* lib, ipcpd, irmd: Fix bugs reported by static analysisSander Vrijders2017-08-292-3/+5
| | | | This fixes several bugs as reported by the clang static analyzer.
* ipcpd: Address comments on 176698edimitri staessens2017-08-285-10/+4
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* tools: Add tool to connect IPCP componentsdimitri staessens2017-08-287-31/+136
| | | | | | | | | | | | This enables user-written tools to instruct IPCPs to establish and tear down connections (a.k.a. adjacencies) between its internal components (Management and Data Transfer). For more info, do "irm ipcp connect" or "irm ipcp disconnect" on the command line. This commit exposes a deletion bug in the RIB where FSO's fail to unpack/parse. This will be fixed when the RIB is deprecated.
* ipcpd: Deprecate gam as autonomous componentdimitri staessens2017-08-2832-1270/+856
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The graph adjacency manager has been deprecated in favor of providing an external interface into the connectivity manager so that adjacencies can be controlled from the command line, user scripts or user applications. The gam and its associated policies were removed from the normal IPCP and the IRM configuration tools. The "/members" part of the RIB was deprecated. Removal of the gam means that initial connectivity based on changes in the RIB can't be provided, so some changes were required throughout the normal IPCP. The enrollment procedure was revised to establish its own connectivity. First, it gets boot information from a peer by establishing a connection to the remote enrollment component and downloading the IPCP configuratoin. This is now done using its own protocol buffers message in anticipation of deprecation of the RIB and CDAP for communication within a DIF. After the boot information is downloaded, it establishes a data transfer flow for enrolling the directory (DHT). After the DHT has enrolled, it signals the peer to that enrollment is done, and the data transfer connection is torn down. Signaling connections is done via the nbs struct, which is now passed to the connmgr, which enables control of the connectivity graph from external sources.
* lib, ipcpd, irmd: Fix several memleaksSander Vrijders2017-08-232-1/+5
| | | | | This fixes several memleaks as reported by valgrind. It also fixes some calls to close() with -1.
* ipcpd: Fix data race in connmgrdimitri staessens2017-08-221-0/+5
| | | | The removal of the mutex and signal in 198b709 was a mistake.
* ipcpd: Improve locking in connmgrdimitri staessens2017-08-223-66/+93
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* build: Revise the build systemdimitri staessens2017-08-2121-23/+60
| | | | | | | | | | This revises the build system to have configuration per system component. System settings can now be set using cmake. The standard compliance defines were removed from configuration header and are set in the sources where needed. Also some small code refactors, such as moving the data for shims out of the ipcp structure to the respective shims were performed.
* ipcpd: Fix missing clock_gettime in flow allocatordimitri staessens2017-08-161-0/+2
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* ipcpd: Refactor normal IPCP failure handlingdimitri staessens2017-08-161-35/+24
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* build: Replace fsf snail mail with contact URLdimitri staessens2017-08-1348-51/+48
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* Merged in dstaesse/ouroboros/be-tpm (pull request #550)dimitri staessens2017-08-131-7/+28
|\ | | | | | | lib: Fix instability in threadpool manager
| * ipcpd: Fix tracking of outstanding DHT requestsdimitri staessens2017-08-131-7/+28
| | | | | | | | | | | | The DHT failed when receiving multiple responses in a short timeframe. The lookup struct now keeps track of the number of outstanding requests.
* | build: Fix compilation on OS X Sierradimitri staessens2017-08-111-0/+4
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* lib, ipcpd, tools: Fix enum assignmentsSander Vrijders2017-08-101-1/+1
| | | | This fixes several assignments to the wrong enum type.
* build, lib, ipcpd, irmd: Add support for libgcryptdimitri staessens2017-08-091-1/+0
| | | | | | | | | | | | | | | | This adds support for libgcrypt. If at least version 1.7.0 of libgcrypt is present, it may be used for secure random number generation and is used for hashing in the irmd/ipcp. The hash definitions are moved to the internal hash.h header, and defined independently of the hashes that are defined as part of the directory policy for the normal IPCP. The translation is moved from the IRMd to ipcpd/ipcp.h. The bootstrap call from the IRMd expects the IPCP to return the correct hash algorithm with a dif_info struct, which is in line with the behavior of the enroll call. This also improves how some platform checks in the build system are handled.
* ipcpd: Fix assignment of fd's in flow allocatorDimitri Staessens2017-08-081-2/+4
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* ipcpd: Fix finding values in DHTDimitri Staessens2017-08-051-5/+18
| | | | | | | | | The DHT lookup would stop if a node returned no new useful information (i.e. the value for the key or unknown nodes closer to the key) without waiting for other pending requests that could still return useful information. Now it correctly tracks the number of outstanding requests or returns if it doesn't get a response for KAD_T_RESP seconds. This fixes multi-hop flow allocation over the normal.
* Merge remote-tracking branch 'origin/testing-deadlines' into beDimitri Staessens2017-08-031-4/+12
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| * ipcpd: Fix pthread_cond_timedwait deadlinesdimitri staessens2017-08-031-4/+12
| | | | | | | | | | | | This fixes pthread_condtimedwaits in the flow allocator of all IPCPs that had bad deadlines set (the interval instead of the actual absolute time).
* | ipcpd: Fix registration bug in DHTdimitri staessens2017-07-291-2/+2
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* | ipcpd: Add multithreading to schedulerdimitri staessens2017-07-291-25/+43
| | | | | | | | | | | | | | | | The scheduler in the normal IPCP is now multithreaded. While useful in itself for scalability, it currently solves thread starvation in case of executing post_sdu operations that may require a response. This could be further revised in the future to split the SDU handling threads from the component tasks.
* | ipcpd: Cleanup sdb after unpackeddimitri staessens2017-07-291-6/+3
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* | ipcpd: Harmonize logs in directorydimitri staessens2017-07-291-1/+5
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