GitLab

update context imports to golang.org/x/net

- updated go-ctxgroup and goprocess
ctxgroup: AddChildGroup was changed to AddChild. Used in two files:
- p2p/net/mock/mock_net.go
- routing/dht/dht.go

- updated context from hg repo to git
prev. commit in hg was ad01a6fcc8a19d3a4478c836895ffe883bd2ceab. (context: make parentCancelCtx iterative)
represents commit 84f8955a887232b6308d79c68b8db44f64df455c in git repo

- updated context to master (b6fdb7d8a4ccefede406f8fe0f017fb58265054c)

Aaron Jacobs (2):
net/context: Don't accept a context in the DoSomethingSlow example.
context: Be clear that users must cancel the result of WithCancel.

Andrew Gerrand (1):
go.net: use golang.org/x/... import paths

Bryan C. Mills (1):
net/context: Don't leak goroutines in Done example.

Damien Neil (1):
context: fix removal of cancelled timer contexts from parent

David Symonds (2):
context: Fix WithValue example code.
net: add import comments.

Sameer Ajmani (1):
context: fix TestAllocs to account for ints in interfaces

Note: the dht-specific part of the bootstrap function
was only there to make sure to call `dht.Update(ctx, npeer)`.
This already happens on all new connections made by the
network, as the dht is signed up for notifications.

We are leaking peer queues:

http://gateway.ipfs.io/ipfs/QmQxVA48CzVwwNYExUiFe56VrUBn8u368ZfchnCLoc7fSC/moriarty

Let's save log.Error for things the user can take action on.
Moved all our diagnostics to log.Debug. We can ideally reduce them
even further.

This addr manager should seriously help with the addrsplosion
problem.

http://gifs.gifbin.com/012011/1295375531_cat-jump-fail.gif

About to allow dht to start without local addresses. this is
so that we can initialize the dht and sign it up to listen
on the muxer, before our node starts accepting incoming connections.
otherwise, we lose some (we're observing this happening already).

I looked through the dht's use of the peerstore, and the check here
doesnt seem to be as important as the panic implies. I believe the
panic was used for debugging weird "dont have any address" conditions
we had earlier.

Network now signals when it successfully listens on some address
or when an address shuts down. This will be used to establish and
close nat port mappings. It could also be used to notify peers
of address changes.

the debug log is flooded with pages upon pages of...

we've gotta be more judicious with our use of console logs. i'm sure
there's interesting actionable information in here. let's use the
console logging more like a sniper rifle and less like birdshot.

feel free to revert if there are specific critical statements in this
changeset

03:05:24.096 DEBUG        dht: dht(<peer.ID
QmWGN3>).Query(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK).Run(3)
queryPeer(<peer.ID QmSoLp>) QUERY worker for: <peer.ID QmSoLp> - not
found, and no closer peers. prefixlog.go:107
03:05:24.096 DEBUG        dht: dht(<peer.ID
QmWGN3>).Query(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK).Run(3)
queryPeer(<peer.ID QmSoLp>) completed prefixlog.go:107
03:05:24.096 DEBUG        dht: dht(<peer.ID
QmWGN3>).Query(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK).Run(3)
queryPeer(<peer.ID QmSoLp>) finished prefixlog.go:107
03:05:24.096 DEBUG        dht: dht(<peer.ID QmWGN3>)
FindProviders(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK)
Query(<peer.ID QmSoLn>) 0 provider entries prefixlog.go:107
03:05:24.096 DEBUG        dht: dht(<peer.ID QmWGN3>)
FindProviders(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK)
Query(<peer.ID QmSoLn>) 0 provider entries decoded prefixlog.go:107
03:05:24.096 DEBUG        dht: dht(<peer.ID QmWGN3>)
FindProviders(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK)
Query(<peer.ID QmSoLn>) got closer peers: 0 [] prefixlog.go:107
03:05:24.097 DEBUG        dht: dht(<peer.ID QmWGN3>)
FindProviders(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK)
Query(<peer.ID QmSoLn>) end prefixlog.go:107
03:05:24.097 DEBUG        dht: dht(<peer.ID
QmWGN3>).Query(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK).Run(3)
queryPeer(<peer.ID QmSoLn>) query finished prefixlog.go:107
03:05:24.097 DEBUG        dht: dht(<peer.ID
QmWGN3>).Query(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK).Run(3)
queryPeer(<peer.ID QmSoLn>) QUERY worker for: <peer.ID QmSoLn> - not
found, and no closer peers. prefixlog.go:107
03:05:24.097 DEBUG        dht: dht(<peer.ID
QmWGN3>).Query(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK).Run(3)
queryPeer(<peer.ID QmSoLn>) completed prefixlog.go:107
03:05:24.097 DEBUG        dht: dht(<peer.ID
QmWGN3>).Query(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK).Run(3)
queryPeer(<peer.ID QmSoLn>) finished prefixlog.go:107
03:05:24.097 DEBUG        dht: dht(<peer.ID
QmWGN3>).Query(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK).Run(3)
all peers ended prefixlog.go:107
03:05:24.097 DEBUG        dht: dht(<peer.ID
QmWGN3>).Query(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK).Run(3)
spawnWorkers end prefixlog.go:107
03:05:24.097 DEBUG        dht: dht(<peer.ID
QmWGN3>).Query(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK).Run(3)
failure: %s routing: not found prefixlog.go:107
03:05:24.097 DEBUG        dht: dht(<peer.ID
QmWGN3>).Query(QmXvrpUZXCYaCkf1jfaQTJASS91xd47Yih2rnVC5YbFAAK).Run(3)
end prefixlog.go:107

more races 2015-01-24

+ longer timeout

Many times, a node will start up only to shut down immediately.
In these cases, reproviding is costly to both the node, and the
rest of the network. Also note: the probability of a node being
up another minute increases with uptime.

TODO: maybe this should be 5 * time.Minute

Moved it to its own package to isolate scope.

s/kademlia calls for makign sure to query all peers we
have in our routing table, not just those closest. this
helps ensure most queries resolve properly.