| Commit message (Collapse) | Author | Age | Files | Lines |
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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.
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This adds a check in the shims if a name was already registered, since
it should not return an error.
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shim-eth-llc: Hide directory query locking
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The locking of the directory queries was happening in the
shim-eth-llc, but it should be done within the shim-data functions.
Fixes #30
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ipcpd: Fix state in dht lookup at lookup_wait
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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
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lib, ipcpd: Fix e-mail addresses in protobuf files
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This fixes the wrong e-mail addresses in the protobuf files.
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This fixes several bugs as reported by the clang static analyzer.
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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.
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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 fixes several memleaks as reported by valgrind. It also fixes
some calls to close() with -1.
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The LLC shim was not being built even though it should be build. This
is due to CMake behaviour that when you set a var in the parent scope,
it is not set in the local scope. It also adds back THIS_TYPE to the
shim-eth-llc.
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The removal of the mutex and signal in 198b709 was a mistake.
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build: Revise the build system
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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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Fixes a data race in the IRMd when IPCPs bail immediately after being
created (e.g. due to an error). Fixes a race between the acceptor
threads and the threads managed by threadpool manager upon shutdown.
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This adds the basic FRCT mechanisms to the library. Upon flow alloc or
accept an FRCT instance is now created and used when reading or
writing to the flow. The timerwheel has been refactored to allow
recharging timers and removing them and is now part of the
library. The first SDU sent over the connection has the DRF set and
this initializes the connection. Sender and receiver inactivity timers
are added.
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This adds support reading Ethernet frames using the Berkeley Packet
Filter (BPF). Ouroboros now fully runs on OS X Sierra.
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This adds an extra condvar so the mainloops can signal the acceptor
thread without waking up all mainloops.
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The IRMd and IPCPs will now call accept on their command sockets from
a single thread that will dispatch work to the other threads.
This solves a problem on OS X and FreeBSD where accept() doesn't time
out when setting SO_RCVTIMEO on the socket. Calling kqueue or select()
on that socket to wait for events before calling accept() didn't solve
it since select() or kqueue() might wake up multiple threads, with the
non-working threads again blocked on the accept() on shutdown.
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lib: Fix instability in threadpool manager
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The DHT failed when receiving multiple responses in a short
timeframe. The lookup struct now keeps track of the number of
outstanding requests.
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This fixes several assignments to the wrong enum type.
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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.
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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.
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This fixes pthread_condtimedwaits in the flow allocator of all IPCPs
that had bad deadlines set (the interval instead of the actual
absolute time).
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This adds a check for robust mutexes. The constant HAVE_ROBUST_MUTEX
is set accordingly in config.h. It also adds some other fixes to make
the prototype compile on the Hurd.
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This refactors dev.c to have a common function called init_flow that
is called whenever a flow is allocated in dev.c
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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.
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Fixes a memory leak when the DHT is destroyed during a send_msg. Fixes
a deadlock when destroying the DHT with a pending lookup. Removes some
debug logs that clutter output due to expected redundant FIND_VALUE
responses.
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This adds a threadpool manager component in the library that is used
in the IRMd and IPCPs. The threadpool manager now doesn't detach
threads but does a join when they exit. This solves a data race in the
previous implementation where some threads were not completely finished
upon release of some resources.
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This will make the remote retry sending responses when the DT
component can't send the message. This is most useful at enrollment,
when the remote's routing table may need to wait a bit on the routing
component for a path to the new member,
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