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Fixes #35
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lib, ipcpd, irmd: Register hash instead of name
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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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Setting the timeouts on flow_alloc and flow_accept will now work. This
makes some changes to the UNIX sockets used for management
communication between the APs, IRMd and IPCPs.
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The blocks should be accessed inside the lock (or later with CAS).
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lib: Fix bugs in B-tree
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This fixes some bugs in the B-tree implementation. The test has also
been rewritten to be more thorough.
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The flow_alloc_res and flow_alloc_resp calls have been removed. The
flow_alloc and flow_accept calls are now both blocking and take an
additional timeout argument.
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This fixes an invalid access to an object that was already freed.
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Fixes a number of issues in CDAP.
CDAP keeps track if a message is being processed, and moves it to the
end of the request list if it is. It will now correctly wait for new
messages.
The invoke_ids are generated locally per CDAP instance, invoke_ids
can't be used to track incoming requests, we need to keep track of the
fd. The keys are now identifiers (taken from the same local pool as the
invoke_ids) that are used to track requests.
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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 revises the list_move operation, which was giving weird
behaviour.
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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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When something fails, the successfully sent CDAP messages should be
reported back. Invoke_ids were not correctly released.
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The routing now takes the results of the routing table to fill in the
forwarding table, by going through the neighbors and filling in the
right fd.
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This solves some race conditions where packets arrive on a flow before
it is added to a flow_set.
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You can now add multiple flows to a CDAP instance. This will simplify
sending messages to different peers (e.g. for syncing the RIB). A
request will now return an array of keys terminated by
CDAP_KEY_INVALID. Removes the enum from the CDAP proto file to just
take the opcode as an integer.
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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 CMakeLists files are now properly indented.
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This adds the connection manager which allows the different AEs of the
normal IPCP to register with it. An AE can then use the connection
manager to allocate a flow to a neighbor, or to wait for a new
connection from a neighbor.
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By removing authentication as part of CACEP, all policies
disappear. CACEP becomes a policy-free connection establishment
protocol between Application Entities. Authentication can later be
added cleanly as a pure policy function when needed.
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The AE name should not be passed over the layer boundaries. If an
application has more than one AE it should exchange this in CACEP.
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The information passed to CACEP is split between the information about
the connection and the information to be used during the
authentication exchange.
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This fixes bad timedwaits for the state of the reg_entry. Also
slightly revised timedwaits throughout the prototype.
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This exchanges a protocol name, a protocol version and concrete syntax
for the protocol upon CACEP. For CDAP, only version 1 and GPB are
supported. No lists for other supported versions or syntaxes are
exchanged (but the proto file supports it). CACEP fails if there is a
mismatch between the protocol names, version and syntax specified by
the communicating parties.
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Revises CACEP policies to stateless library calls. It provides two
policies: an anonymous authentication policy that will generate random
credentials for the peer, and a simple authentication policy that will
return a name for the peer and an address.
Changes the normal IPCP to use the updates API calls.
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