Commit Graph

248 Commits

Author SHA1 Message Date
Conner Fromknecht
a670537f4c
server: expose FindPeer for lnpeer.Peer to gossiper 2018-06-08 13:47:57 -07:00
Olaoluwa Osuntokun
849ee5e0dc
Merge pull request #1008 from wpaulino/peer-connection-logic
server: fix inbound/outbound peer connection logic
2018-06-06 18:07:18 -07:00
Wilmer Paulino
09253eacc3
server: use correct inbound value for peerConnected calls
In this commit, we address the meaning of the inbound parameter to
peerConnected. An inbound connection is defined as a connection
initiated by the peer, rather than ourselves.

We also update the inbound value for the peerConnected calls within
OutboundPeerConnected and InboundPeerConnected to reflect the definition
above.
2018-06-06 16:30:40 -07:00
Johan T. Halseth
ac1ab6f516
server: hold mutex shorter during broadcast
We remove the internale broadcastMessage method, and instead handle the
mutex handling within BroadcastMessage. This lets us hold the mutex only
when neccessary.
2018-06-06 12:20:25 +02:00
Johan T. Halseth
b8512c3568
server: don't hold mutex while sending to peer
This commit removes the sendToPeer method from the server, and instead
moves the necessary logic into SendToPeer. This let's us make the mutex
acquisition more fine-grained, only holding it while reading from the
peer map. Earlier it was required to be held during the whole call to
sendToPeer, as the method would access the map internally.
2018-06-06 12:20:06 +02:00
Olaoluwa Osuntokun
d98d4523e1
Merge pull request #1159 from wpaulino/onion-service-support
multi: add onion services support
2018-06-04 21:46:51 -07:00
Wilmer Paulino
2e0484be19
multi: ensure addresses are no longer assumed to be TCP addresses only
In this commit, we go through the codebase looking for TCP address
assumptions and modifying them to include the recently introduced onion
addresses. This enables us to fully support onion addresses within the
daemon.
2018-06-04 20:41:49 -07:00
Wilmer Paulino
08f80b6cf3
server: use advertised address when reestablishing inbound connections
In this commit, we update the way we reestablish inbound connections if
we lose connectivity to a node we have an open channel with. Rather than
fetching the node's advertised port, we'll fetch one of their advertised
addresses instead. This ensure that if the remote node is running behind
a proxy, we do not see the proxy's address.
2018-06-04 20:41:48 -07:00
Wilmer Paulino
1012f876e1
server: add automatic creation of v2 onion services
In this commit, we allow the daemon to use the recently introduced Tor
Controller implementation. This will automatically create a v2 onion
service at startup in order to listen for inbound connections over Tor.

Co-Authored-By: Eugene <crypt-iq@users.noreply.github.com>
2018-06-04 20:41:45 -07:00
Wilmer Paulino
3bb1733fa2
discovery+server: use network-specific functions for fallback SRV lookup
In this commit, we fix a bug where a fallback SRV lookup would leak
information if `lnd` was set to route connections over Tor. We solve
this by using the network-specific functions rather than the standard
ones found in the `net` package.
2018-06-04 20:41:43 -07:00
Wilmer Paulino
3669a40c52
server: add support to advertise onion addresses
In this commit, we allow `lnd` to properly parse onion addresses in
order to advertise them to the network when set through the
`--externalip` flag.

Co-Authored-By: Eugene <crypt-iq@users.noreply.github.com>
2018-06-04 20:41:41 -07:00
maurycy
3be08e69cf multi: 64bit aligment of atomic vars on arm/x86-32 2018-06-04 20:02:34 -07:00
Olaoluwa Osuntokun
d2bcb708f3
server: demote 'sending message' log to trace 2018-06-04 19:50:44 -07:00
Johan T. Halseth
08d9edd059
server: increase updateChan buffer to 2 2018-06-01 08:55:06 +02:00
Olaoluwa Osuntokun
d7b21859d5
server: upon disconnect, prune peer query state from gossiper 2018-05-31 16:30:57 -07:00
Olaoluwa Osuntokun
199bbe2fd4
server: if remote peer knows of gossip queries, skip initial table dump 2018-05-31 16:30:57 -07:00
Olaoluwa Osuntokun
f70f1f318d
server: set the dataloss protect and gossip queries feature bits 2018-05-31 16:30:57 -07:00
Olaoluwa Osuntokun
486f87576c
server: instantiate the chanSeries struct in the gossiper's config 2018-05-31 16:30:56 -07:00
Wilmer Paulino
4a200d28eb
lnd: add interrupt handler to handle shutdown requests while syncing
chain backend
2018-05-23 11:26:07 -04:00
Olaoluwa Osuntokun
f494433cbf
routing+server: add new QueryBandwidth method to reduce outbound failures
In this commit, we introduce a new method to the channel router's config
struct: QueryBandwidth. This method allows the channel router to query
for the up-to-date available bandwidth of a particular link. In the case
that this link emanates from/to us, then we can query the switch to see
if the link is active (if not bandwidth is zero), and return the current
best estimate for the available bandwidth of the link. If the link,
isn't one of ours, then we can thread through the total maximal
capacity of the link.

In order to implement this, the missionControl struct will now query the
switch upon creation to obtain a fresh bandwidth snapshot. We take care
to do this in a distinct db transaction in order to now introduced a
circular waiting condition between the mutexes in bolt, and the channel
state machine.

The aim of this change is to reduce the number of unnecessary failures
during HTLC payment routing as we'll now skip any links that are
inactive, or just don't have enough bandwidth for the payment. Nodes
that have several hundred channels (all of which in various states of
activity and available bandwidth) should see a nice gain from this w.r.t
payment latency.
2018-05-14 16:23:54 -07:00
Olaoluwa Osuntokun
b73eef12b3
Merge pull request #945 from jimpo/decayedlog
Move DecayedLog from lightning-onion to htlcswitch.
2018-05-10 20:06:53 -07:00
Olaoluwa Osuntokun
f0050e7ffb
Merge pull request #1201 from lightningnetwork/peer-async-disconnect
server: Peer Async Disconnect w/ Scheduled peerConnected
2018-05-10 17:05:16 -07:00
Olaoluwa Osuntokun
b271ed5ffb
Merge pull request #1199 from cfromknecht/queue-msg-err-chans
peer/server: Remove Broadcast err chans
2018-05-10 16:55:57 -07:00
Conner Fromknecht
8c04dd0030
server: add peer connection callback scheduling
This commit adds a simple scheduling mechanism for
resolving potential deadlocks when dropping a stale
connection (via pubkey inspection).

Ideally, we'd like to wait to activate a new peer until
the previous one has exited entirely. However, the current
logic attempts to disconnect (and wait) until the peer
has been cleaned up fully, which can result in
deadlocks with other portions of the codebase, since
other blocking methods may also need acquire the mutex
before the peer can exit.

When existing connections are replaced, they now
schedule a callback that is executed inside the
peerTerminationWatcher. Since the peer now waits for
the clean exit of the prior peer, this callback is
now executed with a clean slate, adds the peer to
the server's maps, and initiates peer's Start() method.
2018-05-08 16:37:14 -07:00
Conner Fromknecht
d20adc8e0e
server: use nil errChan for broadcasts
This skips creating errChans when sending messages to
peer during broadcast. This should be a minor memory
optimization, as well as not requiring channel sends
on those which will never be read.
2018-05-08 16:35:49 -07:00
Olaoluwa Osuntokun
72f48b6abe
htlcswitch+server: ensure we always send an update w/ a TempChannelFailure
In this commit, we ensure that any time we send a TempChannelFailure
that's destined for a multi-hop source sender, then we'll always package
the latest channel update along with it.
2018-05-08 13:00:28 -04:00
Jim Posen
56e65339e0 multi: Complete upgrade to new sphinx package interface. 2018-05-02 00:22:25 -07:00
Johan T. Halseth
e9eab3f79f
server: reliably hand off breach from the ChainArbitrator to the breachArb
This commit make the server populate the ChainArbitrator's
ContractBreach method, by a method that will reliably handoff the breach
event ot the breachArbiter. The server will now forward the breach event
to the breachArbiter, and only let the closure return a non-nil error
when the breachArbiter ACKs this event.
2018-05-02 08:43:32 +02:00
Sean Erle Johnson
938d367232 server: change PeerNotFound to PeerNotConnected 2018-04-18 12:34:57 -07:00
Dimitris Tsapakidis
4009f7f874 multi: fix typos in comments 2018-04-17 19:03:27 -07:00
Olaoluwa Osuntokun
9d29c4f43d
server: only swap out the port for inbound connections
Note that the check is actually reversed to the quirk atm in the server
logic, where inbound and outbound are reversed.

Fixes #1063.
2018-04-09 19:55:01 -07:00
Olaoluwa Osuntokun
de0a2ee49b
server: don't directly mutate net.TCPAddr for inbound connections to set peer port
In this commit, we fix a minor logging bug introduced in a prior commit.
Before we would directly modify the *net.TCPAddr that was a part of the
brontide connection. This achieved our goal, but would print weird log
messages as we mutated the port in the already established connection.

In this commit, we fix that by ensuring we create a copy iff it's a
net.TCPAddr, then modify that and replace the instance in the
lnwire.NetAddress.

Fixes #991.
2018-04-02 16:14:33 -07:00
Olaoluwa Osuntokun
9b729654f6
server: remove all pending conn reqs within DisconnectPeer 2018-03-31 16:26:19 -07:00
Olaoluwa Osuntokun
6be6b48e09
Merge pull request #840 from halseth/openchannel-csv-delay
Add CSV delay flag to openchannel
2018-03-31 16:05:08 -07:00
Conner Fromknecht
2490b9b6e3
server: cleanup persistent connection retries
This commits changes the behavior of our connection
reestablishment, and resolves some minor issues that
could lead to uncancelled requests or an infinite
connection loop.

 - Will not attempt to Remove connection requests with
   an ID of 0. This can happen for reconnect attempts
   that get scheduled, but have not started at the
   time the server cancels the connection requests.

 - Adds a per-peer cancellation channel, that is
   closed upon a successful inbound or outbound
   connection. The goroutine spwaned to handle the
   reconnect by the peerTerminationWatch now
   selects on this channel, and skips reconnecting
   if it is closed before the backoff matures.

 - Properly computes the backoff when no entry in
   persistentPeersBackoff is found. Previously, a
   value of 0 would be returned, cause all subsequent
   backoff attempts to use a backoff of 0.

 - Cancels a peers retries and remove connections
   immediately after receiving an inbound connection,
   to mimic the structure of OutboundPeerConnected.

 - Cancels all persistent connection requests after
   calling DisconnectPeers.

 - Allow additional connection attempts to peers, even if
   there already exists a pending connection attempt.
2018-03-31 00:51:12 -07:00
Olaoluwa Osuntokun
4480052cd6
server: ensure a default backoff is always used 2018-03-30 19:11:12 -07:00
Olaoluwa Osuntokun
d34c37f3dd
server: when constructing peer addr's attempt to locate proper port, fallback to default port
In this commit, we fix an existing bug within the codebase: if a peer
connected to us inbound, then we'd attempt to use the assigned port when
re-establishing a connection to them. We fix this issue in this commit
by adding a new method to look up any advertisements for the peer, and
use the specified port that matches our connection attempt. If we can't
find a proper advertisement, then we'll simply use the default peer
port.
2018-03-30 15:59:11 -07:00
Olaoluwa Osuntokun
b2e1d6988c
server: don't immediately add bootstrap peer to set of persistent connections 2018-03-30 15:16:18 -07:00
Olaoluwa Osuntokun
90636b49b2 server: properly format peer pubkey in NotifyWhenOnline logging msg
Fixes #978.
2018-03-30 13:15:49 -07:00
Johan T. Halseth
6f98803967
server: add remoteCsvDelay to openChanReq 2018-03-22 14:53:59 +01:00
Olaoluwa Osuntokun
9ec80e2083
server: properly segment the nursery store according to active net 2018-03-14 18:27:28 -07:00
Conner Fromknecht
a9904b328f
servrer: pass ExtractErrorEncrypter 2018-03-13 16:33:29 -07:00
Olaoluwa Osuntokun
800eea931f
build+multi: switch from bolt to bbolt
In this commit, we switch from boltbd/bolt to coreos/bbolt as the
former is no longer being actively maintained.
2018-03-10 19:01:13 -08:00
Olaoluwa Osuntokun
2a6876bde2
server: ensure the replay database is stored under the graph+network namespace
In this commit we modify the storage location of the sphinx replay
database to be under the precise network, and not only the graph sub
directory. Before this commit, due to the usage of filepath.Dir(), the
db would lie under /graph/, rather than say, /graph/simnet.
2018-03-10 13:02:29 -08:00
Conner Fromknecht
c976a550cb
server: initialize switch with circuit db 2018-03-09 21:18:15 -08:00
Conner Fromknecht
a4d8b30367
server: initialize server with persistent sphinx router 2018-03-08 21:12:05 -05:00
Olaoluwa Osuntokun
a540003bb9
server: set the FwdingLog attribute in the switch's config 2018-03-06 13:56:12 -05:00
Johan T. Halseth
3dc9e3c7d4
server: express fee rates using fee rate types 2018-02-26 22:42:26 +01:00
MeshCollider
2c2ed3c6a9 multi: Unify use of NodeKey in log messages 2018-02-19 17:48:39 -08:00
MeshCollider
4c42079436 multi: ensure NodeKey is set in rpc/cli 2018-02-19 17:48:39 -08:00