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* lib, ipcp: Revise fast path and flow interfacesdimitri staessens2016-10-044-6/+6
| | | | | | | | | | | | 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
* Merged in sandervrijders/ouroboros/be-shm-pci (pull request #247)dimitri staessens2016-09-071-12/+13
|\ | | | | | | ipcpd: normal: Add operations to get and set the PCI
| * ipcpd: normal: Add operations to get and set the PCISander Vrijders2016-09-071-12/+13
| | | | | | | | | | | | | | | | | | 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: dev: Provide a set of fds to flow_selectdimitri staessens2016-09-063-14/+23
| | | | | | | | | | | | | | 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.
* | src: Fix grammar (SDU's -> SDUs)dimitri staessens2016-09-022-5/+5
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* tools, irm: Fix segfault with missing parametersdimitri staessens2016-08-311-2/+2
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* tools: Fix memleak in irm_ipcp_enrolldimitri staessens2016-08-251-2/+5
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* irm: Deprecate BIND_AP_LOCdimitri staessens2016-08-231-2/+0
| | | | Location-dependent names should be managed by a higher-level NMS.
* tools: Fix segmentation faultsdimitri staessens2016-08-222-4/+6
| | | | | The apis parameter is not set if the IRMd is not running when running the tool.
* tools: Add missing filesdimitri staessens2016-08-212-0/+161
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* irmd, lib: Rebuild the IRMd data modeldimitri staessens2016-08-2116-113/+437
| | | | | | | | | | | | | | | | | | | | | | 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.
* tools: irm: Create IPCP upon enroll if unexistingSander Vrijders2016-08-112-2/+11
| | | | | This will create a new IPCP if enroll is called on a non existing IPCP. It also fixes two memleaks.
* lib, irmd: Bind AP instances to AP_subsetsdimitri staessens2016-08-103-2/+17
| | | | | | | 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.
* tools: irm: Create IPCP on bootstrap if unexistingSander Vrijders2016-08-101-2/+7
| | | | | | If the admin tries to bootstrap an IPCP that does not yet exist, it will first create the IPCP, then bootstrap it since it has all required information.
* tools: echo: Fix unnecessary castdimitri staessens2016-08-081-1/+1
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* lib, tools: Add POSIX version to source filesSander Vrijders2016-08-081-0/+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.
* tools: oping: Fix wrong delay calculationdimitri staessens2016-08-061-1/+2
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* tools: oping: Fix client cleanupdimitri staessens2016-08-041-0/+5
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* tools: oping: Fix cleanup on exitdimitri staessens2016-08-041-3/+5
| | | | The server should cleanup whenever the listen thread exits.
* tools: cbr: Fix server cleanupdimitri staessens2016-08-041-15/+7
| | | | The server should cleanup whenever the listen thread exits.
* tools: cbr: Fix missing check on ap_initdimitri staessens2016-08-041-2/+4
| | | | If ap_init() fails, the program should exit.
* tools: cbr: Fix optionsdimitri staessens2016-08-042-10/+10
| | | | The server apn is a client-only option. Also fixes some indentation.
* tools: oping: Fix division by zerodimitri staessens2016-08-041-9/+14
| | | | | When killing the oping client before it sent an SDU, some bad operations were being performed.
* tools: Add a ping applicationdimitri staessens2016-08-035-0/+594
| | | | | Ouoroboros ping application mimics the GNU ping application. do "oping --help" for options.
* Merged in sandervrijders/ouroboros/be-enrolment (pull request #182)dimitri staessens2016-08-011-10/+3
|\ | | | | | | Be enrolment
| * ipcpd: normal: Provide initial steps for enrollmentSander Vrijders2016-07-271-10/+3
| | | | | | | | | | | | 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 staessens2016-07-292-1/+8
|/ | | | | | | | | | 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.
* ouroboros: Use ouroboros errno.hdimitri staessens2016-07-071-1/+1
| | | | | All includes of <errno.h> within ouroboros are replaced with the ouroboros errno.
* tools, irm: move binary check to librarydimitri staessens2016-07-031-7/+9
| | | | | | | This will make the library check if the user has permissions to execute the binary when auto is set. This prevents writing malicious software that would use the irmd to execute other applications to which the user has no access.
* irm bind: fixed double newlinedimitri staessens2016-07-031-2/+2
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* irmd, tools: checks on binarydimitri staessens2016-07-031-0/+12
| | | | | | | The bind tool and the auto_execute function will check if the binary exists and is executable. Return value of auto_execute corrected to pid_t
* lib, irmd, ipcpd: Change of IRM APISander Vrijders2016-06-2812-179/+332
| | | | | | | | | | | | | | This changes the IRM API after discussions with Dimitri. The register operation is now split into a bind and register operation. The same for unregister; unbind and unregister. PIDs are now used as the application instance name. A name for a PID is only provided for scriptability in bash. It is therefore also no longer passed down to the IPCP. Every operation on an IPCP through the IRM API has to use the PID. Quering of the PIDs by name is possible. The IRM tool has been updated to use this new API as well. A subcommand 'ipcp' has been added for operations that take effect on IPCPs only. Fixes #12
* build: correct sandboxingdimitri staessens2016-06-273-3/+3
| | | | | paths cannot start with "/" or PREFIX will be omitted. PREFIX must be set before the project() call.
* build: Fix installation prefixSander Vrijders2016-06-273-3/+3
| | | | | | The installation prefix was taking a trailing backslash, while it is common not to do so. Fixed it so that any trailing backslash is removed by the compilation and installation scripts.
* build: Change install directories and set correct permissionsSander Vrijders2016-06-203-3/+3
| | | | | | | | | This sets the correct install directories for all the binaries, library and header files. It also sets the right permissions on the sockets and shared memory so that regular users can also use the ouroboros library. Root privileges are required to run the irmd. Fixes #7
* tools: fixed application shutdowndimitri staessens2016-06-162-6/+0
| | | | Tools would do a double ap_fini when an error occurred.
* Merge remote-tracking branch 'upstream/be' into be-llcSander Vrijders2016-06-1412-191/+236
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| * Fixed comments on #122dimitri staessens2016-06-141-2/+0
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| * lib, irmd, tools, ipcpd: updates to dev API.dimitri staessens2016-06-1312-191/+238
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The registration function has been moved to the irm tool, applications now need to be registered by an administrator. Currently only supports one instance per registered name, and an AP can be registered under only one name. The irmd can now start a registered server application on demand. For the full functionality of the tool, execute "irm register". AP name removed from flow allocation. Flow allocation does not send the source ap name as it is quite useless. The accept() call now only returns the AE name.
* | ipcpd: Adds a shim over IEEE 802.2 over IEEE 802.3Sander Vrijders2016-06-142-3/+21
|/ | | | | This adds a shim over LLC over Ethernet. It uses the raw socket API to send messages directly over an interface.
* ipcpd: IPCP over local memorydimitri staessens2016-05-282-2/+8
| | | | | | | | | | | | | This introduces an IPC process that relays data between two local AP's over the shm_du_map. Only configuration it has is a DIF name. It required small modification elsewhere: lib: added support for the IPCP_LOCAL type irm: added support for the IPCP_LOCAL type dif_config: added the IPCP_LOCAL type tools: added support for the IPCP_LOCAL type
* tools: updated cbr with flood and sleep optionsdimitri staessens2016-05-272-21/+60
| | | | | | | The cbr client will now use busy waiting by default to control the sending rate. A --sleep option has been added to allow low CPU usage when sending at low data rates. A --flood option has been added that writes SDU's as fast as possible.
* tools: Add threadpool to cbrSander Vrijders2016-05-262-36/+125
| | | | | This adds a threadpool to cbr, so that it is not overflooded with client requests.
* tools: cbr continues when a write failsdimitri staessens2016-05-251-2/+2
| | | | | the CBR tool would stop if the buffer is full. Now it will continue sending SDU's until the duration expires.
* tools: fixes comments on d74d67adimitri staessens2016-05-243-10/+10
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* tools, lib: cbr tool for bandwidth testingdimitri staessens2016-05-245-0/+412
| | | | | | | | The tool sends constant bandwidth traffic between a client and a server. cbr --help for more info. Adds time_utils.h to the library containing useful functions for arithmetic with timespec and timeval structures.
* 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.
* lib/irmd/ipcpd/tools: fixes comments on eb9f443dimitri staessens2016-05-082-8/+4
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* irmd: flow allocation and fast pathdimitri staessens2016-05-072-22/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
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