| Commit message (Collapse) | Author | Age | Files | Lines |
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The ugent email addresses are shut down, updated to Ouroboros mail
addresses.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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Happy New Year, Ouroboros!
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This reverts commit 978266fe4beba21292daad2d341fe5ff22e08aba.
We were incorrectly unmounting the directory under normal conditions.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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If Ouroboros crashed, the RIB directory might still be mounted. This
checks if this is the case, then unmounts it.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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Updates the copyright notice in all sources to 2019.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This will check the return values of init functions so that the code
is more robust. It also removes a duplicate init in the timerwheel,
checks for buffer overflows in the RIB and checks string lengths.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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The build failed if FUSE was disabled, since instead of voiding
mountpt, prefix, an unexisting variable, was voided.
Signed-off-by: Sander Vrijders <[email protected]>
Signed-off-by: Dimitri Staessens <[email protected]>
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This will change the FUSE mountpount to the name of the IPCP instead
of a generic name based on its pid.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This will unmount a stale FUSE mountpoint (an IPCP with the same pid
exited ungracefully on the system) before trying to create it.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This fixes the access to the RIB for non-root users.
Thanks to Sitri and Dagger from the ##fuse channel for their
assistance.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This revises the RIB so it gets the complete file attribute list from
the component instead of setting some attributes in the library. This
will allow setting read/write access later on in the component
itself. The time of last change of lsdb entries in the file system is
now set to the time of the last received Link State Update for that
entry.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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Happy New Year, Ouroboros.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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The RIB implementation was using internal variables from the linux
implementation instead of the POSIX defined macros. The POSIX defined
macros require defining __USE_XOPEN to access them.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
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This avoids potential data races on rib.fuse.
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Fixes #50
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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.
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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.
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This fixes several bugs as reported by the clang static analyzer.
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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.
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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.
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All information passed over the IRMd/IPCP boundary for using IPC
services (flow allocation, registration) is now hashed. This
effectively fixes the shared namespace between DIFs and the IRMDs.
This PR also fixes some API issues (adding const identifiers),
shuffles the include headers a bit and some small bugs.
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The list move was being done on the whole list of sub events, whereas
it should only be done on the first entry. A cleanup handler was also
added.
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This fixes several bugs in the ro sets, rib. And it fixes several bugs
in the graph and routing component of the normal IPCP.
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Our mailserver was migrated from intec.ugent.be to the central
ugent.be emailserver. This PR updates the header files to reflect this
change as well. Some header files were also homogenized if the
parameters within the functions were badly aligned.
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The timerwheel and RIB use timedwaits. The condition variables are now
correctly initialised to use the configuration defined clock.
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The new element must be added before the larger element
(list_add_tail, since it's a circular list).
Also fixes a bug and improves the locking in rib_pack (rib must be
locked until the subtree is fully packed in the buffer).
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The rib_pack function allows packing a subtree of the RIB for
dissemination. The options PACK_HASH_ROOT and PACK_HASH_ALL will add
the hashes for the root object of the packed subtree or every object
to the packed message respectively. Checking of the hashes is
currently only performed at the top level object, verifying the
complete operation.
The rib_unpack function unpacks a packed message and inserts its
contents in the RIB. The option UNPACK_CREATE flags that the unpack
operation is allowed to create new objects, else it will only update
existing objects. More advanced options could be added in the future.
The packed message structure uses Google Protocol Buffers, as defined
in ro.proto.
It adds tests for these functions to the rib_test.
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Returns the names of the nodes (not the full paths). The function
allocates memory to the children pointer that should be freed.
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The new RIB is implemented as a tree with doubly linked nodes (parents
keep a link to each child, each child keeps a link to its parent). An
index is kept in a btree using CRC32 hashes of the path name in the
RIB. Nodes keep an SHA3-256 hash value that is unique for the entire
subtree. This allows quick checks to see if two RIB subtrees are in
sync. The event system for the RIB is based on the event system for
flows (fqueue), but implemented completely in dynamic memory using
linked lists. An initial test is performed for the RIB. This PR does
not modify existing code to use the new RIB.
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