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* lib: Allow partial readDimitri Staessens2018-03-121-1/+5
| | | | | | | | | | | | | This implements partial read of packets if the buffer supplied to flow_read() is smaller than the packet in the buffer. If the number of bytes returned by flow_read equals the size of the buffer, the next read() will deliver the next bytes of the packet (or 0 if the packet was exactly the size of the buffer on the previous read). Implements #7. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* ipcpd: Add IPCP over DIX EthernetDimitri Staessens2018-03-101-5/+30
| | | | | | | | | | | | | | | | | | This adds an IPC Process that uses DIX Ethernet with an Ethertype that is configurable at bootstrap. This allows parallel DIX layers over the same Ethernet network with different Ethertypes (and one LLC layer). It allows jumbo frames in the future, and should avoid the problems we have with some routers not handling LLC traffic very well. The destination endpoint ID is sent as a 16 bit integer, so the maximum payload is 1498 bytes in standard Ethernet, and 8998 bytes when Jumbo frames are used. The implementation is very similar to the Ethernet LLC IPCP, so it is implemented using preprocessor macros in the single source instead of duplicating code. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib: Add fccntl operation to get queue lengthsDimitri Staessens2018-02-281-1/+7
| | | | | | | | | | This adds the FLOWGRXQLEN and FLOWGTXQLEN operations to fccntl to get the number of packets that are in the receive and transmit buffers respectively. The flow statistics are updated to show these queue lengths. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* ipcpd: Revise Data Transfer component0.10.0Dimitri Staessens2018-02-131-2/+2
| | | | | | | | | | | This makes the TTL non-optional and allows the maximum (initial) value of the TTL to be specified at bootstrap (the default is set to 60). The fd in the DT PCI is now called EID (Endpoint ID). The names "dif" and "ae" have been replaced by "layer" and "component" respectively in all sources. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* build: Use GNUInstallDirs instead of hardcoded values0.9.9Sander Vrijders2018-02-061-1/+1
| | | | | | | | This changes the build to use GNUInstallDirs instead of hardcoded values. Package maintainers can then override these defaults by passing the correct value to cmake on the command line. Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* doc: Set CC-BY 4.0 license on the man pages0.9.1Dimitri Staessens2018-01-118-8/+40
| | | | | | | | This adds the Creative Commons Attribution License 4.0 to the man pages instead of the Copyright. Also fixes the data in version.h. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* doc: Update workflow and remove HLASander Vrijders2018-01-102-455/+127
| | | | | | | | | | The high level architecture and workflow document were severely outdated. This removes the HLA document, as a paper will soon be written and updates the workflow document to reflect the current situation. Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be> Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
* doc: Fix typo in ouroboros man pageDimitri Staessens2017-12-201-1/+1
| | | | | | | There was a wrongly inserted "s" in the name of the udp IPCP. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* ipcpd: Use the term "layer" and deprecate "shim"Dimitri Staessens2017-12-193-65/+60
| | | | | | | | | | | | | | This changes the terminology to use layer instead of DIF and deprecate the word "shim" for the IPCPs that attach to Ethernet LLC and UDP .The terminology has not yet been changed in the variable names etc. This reflects the design choices in Ouroboros to make IPCPs pure resource allocators instead of also providing an "IPC service". The Ouroboros IPCPs that attach to Ethernet and UDP implement the allocator and are thus not really shims. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* doc: Fix formatting in ouroboros man pageDimitri Staessens2017-12-171-2/+2
| | | | | | | The ouroboros.8 man page contained some bad formatting symbols. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* ipcpd: Integrate raptor into ouroboros 0.8Dimitri Staessens2017-12-151-2/+19
| | | | | | | | | | | The raptor code is refactored to completely remove reduntant code relating to addresses. The dependency on the google protocol buffers is removed. The build system will only build raptor if the relevant kernel module is found on the system. The irm tool and the relevant documentation are updated. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* lib, tools: Rename application process and instanceDimitri Staessens2017-12-024-33/+31
| | | | | | | | | | | This refactors ouroboros to use "program" instead of "application process" and "process" instead of "application process instance" to align with current naming in current Operating Systems courses instead of the ISO nomenclature adopted by RINA. This change permeates through the entire implementation. Also contains some minor other refactors. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* ipcpd: Don't bind from the IPCPDimitri Staessens2017-11-291-3/+6
| | | | | | | | | | The binding of the normal IPCP to its name is moved from the source code to the irm tool introducing the "autobind" option for the bootstrap and enroll commands. With this option, the IPCP will be bound to the IPCP name and the DIF name automatically. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* dev: Split nonblocking read and writeDimitri Staessens2017-10-301-1/+5
| | | | | | | | | | The FLOWFNONBLOCK flag now has two subflags FLOWFRNOBLOCK and FLOWFWNOBLOCK which allows setting the behavior of read and write independently. The default behavior is unchanged (blocking read and write). Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* doc: Fix documentation issues0.7dimitri staessens2017-10-172-7/+4
| | | | | | | | Removed a self-reference in ouroboros-tutorial. Fixes some style issues in ouroboros(8). Signed-off-by: dimitri staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
* doc: Add general documentationdimitri staessens2017-10-1711-27/+645
| | | | | | | | | This adds user documentation for the Ouroboros User Manual in man sections 7 and 8. It consists of a general man page, a tutorial and a glossary. It also fixes and updates other manpages in the Ouroboros Programmer's Manual.
* lib: Deprecate ouroboros_init and ourboros_finidimitri staessens2017-10-148-79/+6
| | | | | | | | | | | | | | This commit deprecates ouroboros_init and ouroboros_fini and adds them as a constructor or destructor, causing these function to be run automatically when a program that links to the library calls and exits main(). For this to fully work, the library had to be split so that we can avoid the irmd calling these functions (the IRMd has to create the shm structures on which these calls depend). The library is split in 3 parts: libouroboros-dev, libouroboros-irm and libouroboros-common. The latter is linked to the other two so that including libouroboros-dev or libouroboros-irm will also link libouroboros-common.
* doc: man: Update fccntl manpageSander Vrijders2017-09-191-0/+2
| | | | | The option to mark a flow as down was missing from the manpage of fccntl.
* ipcpd, lib: Add flow down eventsSander Vrijders2017-09-191-0/+3
| | | | | | | | 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.
* lib: Add fccntl configuration commanddimitri staessens2017-08-313-2/+120
| | | | | | | This replaces the flow_set_* commands with a single fccntl command that can configure flows and the FRCT instance. For more details, see "man 3 fccntl".
* dev: Revise fqueue API and add man pagesdimitri staessens2017-08-2914-1/+234
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* build: Revise the build systemdimitri staessens2017-08-211-0/+2
| | | | | | | | | | 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.
* include, lib: Rename ap_init/ap_finidimitri staessens2017-04-136-71/+74
| | | | Fixes #35
* build: Install manpagesSander Vrijders2017-04-122-0/+41
| | | | | | This will install the manpages found in doc/man/ during installation. Fixes #38
* doc: Add man pages for ap_init/ap_finidimitri staessens2017-04-112-0/+68
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* doc: Add man page for flow_read and flow_writedimitri staessens2017-04-102-0/+75
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* doc: Add man pages for flow_allocationdimitri staessens2017-04-103-0/+118
| | | | | | | This commit contains only the sources, correct installation requires gzip and copying the files to /usr/local/man/man3/flow_alloc.3.gz. We need to have a look at integrating this in the build system in an efficient way.
* doc: fixed example code in workflow docDimitri Staessens2016-02-261-2/+2
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* doc: workflow updated for consistencyDimitri Staessens2016-02-261-6/+2
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* doc: updated workflow and corrected all mallocsDimitri Staessens2016-02-261-3/+11
| | | | lib/du_buff contained casted malloc's.
* workflow: Update guidelines on use of pointersDimitri Staessens2016-02-261-0/+8
| | | | | the void * returned by malloc should not be explicitly cast when checking pointers for validity, only use (ptr == NULL)
* Updated FRCT descriptionDimitri Staessens2016-02-121-10/+9
| | | | Updated the description for the Flow and Retransmission Control Task.
* doc: Remove trailing whitespacesSander Vrijders2016-02-112-8/+6
| | | | | Removes some trailing whitespace from the documentation. My editor was setup incorrectly (new laptop).
* doc: Initial high-level architectureSander Vrijders2016-02-112-0/+329
| | | | | This adds the initial high-level architecture (HLA) document. It outlines the design decisions taken for the Ouroboros prototype.
* doc: Initial workflow documentSander Vrijders2016-02-111-0/+118
This adds the initial workflow document that contains the guidelines on how to contribute to the Ouroboros prototype.
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