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| * | lib, irmd, ipcpd: Add name querying to IPCPsSander Vrijders2016-10-2615-276/+604
| | | | | | | | | | | | | | | | | | | | | | | | | | | This adds the ability to query IPCPs if a name can be reached through them, e.g. if a name is available in a DIF. This means that in the shim-udp a DNS query is performed, in the shim-eth-llc an ARP-like query has been added, in the local a check is done to see if the name is registered, and in the normal currently no application is reachable through it.
* | | irmd: Add log messages for flow allocationdimitri staessens2016-10-261-2/+9
| | | | | | | | | | | | | | | | | | In the rewrite of the flow allocator for per-port ring buffers, the messages were removed because they were not accurate anymore. This adds messages when a port is allocated.
* | | ipcpd: Fix memory leaksdimitri staessens2016-10-252-31/+35
| |/ |/| | | | | | | Fixes memory leaks associated with the dif_name (which doesn't need to be maintained in shim DIFs) and the fqueue for the N + 1 flows.
* | Merge branch 'be' of bitbucket.org:ouroboros-rina/ouroboros into bedimitri staessens2016-10-243-45/+78
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| * \ Merged in dstaesse/ouroboros/be-oping (pull request #277)Sander Vrijders2016-10-243-17/+26
| |\ \ | | |/ | |/| | | | tools: Fix memory leaks in oping
| * | Merged in dstaesse/ouroboros/be-fix-alloc (pull request #276)Sander Vrijders2016-10-244-42/+26
| |\ \ | | | | | | | | | | | | lib: Stabilise flow allocation
| * | | ipcpd: Fix log message and lockdimitri staessens2016-10-231-3/+2
| | | | | | | | | | | | | | | | | | | | Remote requests for a flow that's locally deallocated should not generate an error. Sending messages should not be under lock.
| * | | ipcpd: Improve locking in ipcp-datadimitri staessens2016-10-232-42/+76
| | | | | | | | | | | | | | | | This solves some potential data races in the shims.
* | | | ipcpd: Fix memleaks in local IPCPdimitri staessens2016-10-241-11/+14
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* | | tools: Fix memory leaks in opingdimitri staessens2016-10-243-17/+26
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* | lib: Stabilise flow allocationdimitri staessens2016-10-234-42/+26
|/ | | | | | | Deallocation was reverted to a synchronoous operation between the AP, IRMd and IPCP in order to avoid inconsistent states of the port_id. Fixes some memory leaks, particularly the shm_flow_set is now closed upon deallocation.
* dev, ipcp: Fix setting default flow optionsdimitri staessens2016-10-232-9/+3
| | | | | The default flow options were not set when a flow allocation request arrives remotely. This went unnoticed due to a previous bug.
* build: Remove the gethostbyname checkdimitri staessens2016-10-231-17/+0
| | | | | gethostbyname is included in POSIX 2001. Ouroboros requires at least POSIX 2001 and recommends POSIX 2008 for stable builds.
* tools: Fix setting flags in oping tooldimitri staessens2016-10-231-1/+1
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* ipcpd: Fix unused variabledimitri staessens2016-10-231-1/+4
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* lib: Fix closing applications with active flowsdimitri staessens2016-10-221-1/+2
| | | | The rdrbuff was previously closed before the remaining SDUs were removed.
* lib: Revert bad fqueue modificationdimitri staessens2016-10-222-2/+5
| | | | | An untested (and wrong) modification to the fqueue was mistakenly added to a previous commit. This corrects the bad code.
* irmd, tools: Fix missing initializersdimitri staessens2016-10-225-16/+18
| | | | | | | | | | | The BSD compiler requires explicit initializers for all fields with the -Wmissing-field-initializers flag enabled On branch be-fix-build # Changes to be committed: # modified: src/irmd/main.c # modified: src/tools/irm/irm.c # modified: src/tools/irm/irm_bind.c # modified: src/tools/irm/irm_ipcp.c # modified: src/tools/irm/irm_unbind.c # # Untracked files: # killouroboros.sh # start.sh #
* lib: Fix wrong comparisondimitri staessens2016-10-221-2/+2
| | | | FLOW_O_RDONLY is 0, so the previous statement would always be false.
* build: Fix missing includedimitri staessens2016-10-221-0/+1
| | | | | | CheckLibraryExists was not included. Apparently the CHECK_FUNCTION_EXISTS call fails with the strict prototyping flag turned on.
* build: Compile with strict conversiondimitri staessens2016-10-2251-268/+296
| | | | | This has the code checked with -Wcast-qual and -Wconversion flags. These flags were removed because SWIG generated code fails.
* build: Comply with -Wextra compiler flagdimitri staessens2016-10-2122-13/+114
| | | | | This reduces the risk for some bugs, for instance due to signed/unsigned mismatches and unused variables.
* Merged in dstaesse/ouroboros/be-demux (pull request #267)Sander Vrijders2016-10-2119-1070/+1537
|\ | | | | | | lib: Demultiplex the fast path
| * lib: Move rbuff creation/destruction to IRMddimitri staessens2016-10-216-84/+105
| | | | | | | | | | This stabilises flow allocation now that the rbuffs are created upon flow allocation. Only the IRMd can sync this process sufficiently.
| * lib: Demultiplex the fast pathdimitri staessens2016-10-2117-1051/+1497
| | | | | | | | | | | | | | | | The fast path will now use an incoming ring buffer per flow per process. This necessitated the development of a new method for the asynchronous io call, which is now based on an event queue system for scalability (fqueue). The ipcpd's and tools have been updated to this API.
* | ipcpd: normal: Avoid allocating flow over unenrolled IPCP.Sander Vrijders2016-10-171-0/+10
|/ | | | | There was no check to see if the normal IPCP was enrolled or not when a flow allocation request is done.
* lib, dev: Implement read/write options for flowsdimitri staessens2016-10-162-0/+19
| | | | | | | Added the missing implementation of setting read/write options for flows. This allows applications to block the fast path for remotes. IPCPs can use this to block the fast path for the N + 1 flow when receiving remote deallocation requests.
* lib: Stabilize fast flow deallocation over local IPCPdimitri staessens2016-10-153-49/+49
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* lib: Fix initialisation of flow_setdimitri staessens2016-10-151-2/+3
| | | | The safe copy was not correctly initialised.
* lib: Fix flow deallocation logicdimitri staessens2016-10-137-34/+35
| | | | | Both the N and N-1 entity must now call flow_dealloc for the port_id to be released.
* ipcpd: normal: Improve upon the internal designSander Vrijders2016-10-1211-574/+411
| | | | | | | | This commit will remove the RMT component from the normal IPCP, as some of its functionality would else be duplicated in the FMGR. Now all reading from flows, either N-1 or N+1 is done in the FMGR, then either passed to the FRCT or a lookup is performed in the PFF (not there yet) and the PDU is forwarded.
* Merge remote-tracking branch 'upstream/be' into be-connectionSander Vrijders2016-10-126-93/+177
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| * lib: Track SDUs in the fast pathdimitri staessens2016-10-113-88/+174
| | | | | | | | | | | | This will allow to finalize deallocating flows until all SDUs have been processed. Read and write calls will now block when a flow was deallocated. Replaces NULL checks in the fast path with asserts.
| * lib: Add a type for struct flow_setdimitri staessens2016-10-093-5/+3
| | | | | | | | | | | | The struct flow_set can now be accessed in applications as flow_set_t. Fixes some malformed lines and homogenizes output when receiving bad SDUs in the oping tool.
* | ipcpd: normal: First version of the fast path bootstrapSander Vrijders2016-10-1111-209/+697
|/ | | | | | | This is the first version of the fast path bootstrap in the normal IPCP. It sets up a connection with the other end, and creates the appropriate data structures. N+1 and N-1 SDUs are read and written and passed through the right components.
* lib: Add non-copy reading from fd for IPCPsdimitri staessens2016-10-073-10/+45
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* lib, dev: Add asynchronous deallocationdimitri staessens2016-10-074-55/+72
| | | | | Flow deallocation from the application will immediately return (void call). The IRMd will not send a reply message.
* lib: Fix shutdown with pending SDUsdimitri staessens2016-10-062-2/+4
| | | | | The SDU's were not correctly removed upon shutdown, peek should be pop.
* ipcpd: Filter traffic on shim-eth-llcdimitri staessens2016-10-063-7/+31
| | | | Now correctly handles and drops non-ouroboros traffic.
* ipcpd: shim-eth-llc: Use correct SAP to lookup in the tableSander Vrijders2016-10-051-3/+5
| | | | | Upon deallocation, the remote's SAP was being used to lookup the fd instead of our own SAP. This resulted in strange behaviour.
* lib, ipcpd: Fix bad lockingSander Vrijders2016-10-052-7/+4
| | | | | | Some locks were taken at an inappropriate time, causing the shim-eth-llc to block indefinitely upon shutdown and causing flow allocation to halt since a response could never be given.
* lib, ipcp: Revise fast path and flow interfacesdimitri staessens2016-10-0432-2763/+1975
| | | | | | | | | | | | IPCPs can now use ap_init() to initialize the memory. All flows are accessed using flow descriptors, this greatly simplifies IPCP development. Reverts the fast path to a single ap_rbuff per process. Splits lib/ipcp into irmd/ipcp and lib/ipcp-dev. Adds a lib/shim-dev holding tailored functions for shims. Moves the buffer_t to utils.h. Fixes the shim-eth-llc length field. Removes the flow from shared.h. Fixes #4 Fixes #5
* lib: Fix shm for evil devicesdimitri staessens2016-09-083-6/+6
| | | | | | Cupertino's finest don't seem to support a write call with a filedescriptor that points to a shared memory file. ENOTSUP is not mentioned in their manpage either. Classic.
* ipcpd: normal: Fix crapped up indentationSander Vrijders2016-09-071-48/+48
| | | | There was some crapped up indentation in the crc32 source file.
* Merged in sandervrijders/ouroboros/be-shm-pci (pull request #247)dimitri staessens2016-09-0715-239/+372
|\ | | | | | | ipcpd: normal: Add operations to get and set the PCI
| * ipcpd: normal: Add operations to get and set the PCISander Vrijders2016-09-0715-239/+372
| | | | | | | | | | | | | | | | | | This adds the operations needed in the normal IPCP to get and set the Protocol Control Information. It allows to allocate or release space in the current DU. The struct pci can be serialized into newly allocate space. Vice versa, a struct pci can be deserialized given a DU. It allows for decreasing the TTL in the DU and for calculating the CRC32. The TTL and CRC32 can now be selected when creating a new DIF.
* | lib: Set umask for file creation permissionsdimitri staessens2016-09-074-17/+12
| | | | | | | | | | Permissions are now set correctly upon creation, removing the need to call fchmod.
* | ipcpd: Add missing include for FreeBSDdimitri staessens2016-09-071-0/+1
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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.
* | irmd: Fix register with unenrolled IPCPs in systemdimitri staessens2016-09-061-0/+3
| | | | | | | | | | If there are unregistered IPCPs (no DIF name set) the lookup should skip over them without segfaulting.
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