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Commit Graph

1031 Commits

Author SHA1 Message Date
Arceliar
2d64a6380a misc other fixes 2019-09-18 18:33:51 -05:00
Neil Alexander
909e4e29a8
Don't spawn goroutines for addPeerLoop, TCP connect timeout of 5 seconds for now 2019-09-18 23:44:28 +01:00
Neil Alexander
64570a8d3e
Merge pull request #542 from Arceliar/switch
Switch
2019-09-18 20:26:48 +01:00
Neil Alexander
0a12e4b1c1
Revert "Catch a nil pointer when sending a session packet to a conn, this shouldn't happen but it's caused multiple crashes in conn.recvMsg"
This reverts commit be35675d0f.
2019-09-18 20:26:06 +01:00
Neil Alexander
ddaaa865cb
Be more verbose when a peer or listener is badly formatted 2019-09-18 19:58:41 +01:00
Neil Alexander
94cf2854a9
Fix panic where slice goes out of bounds because iface.Read returns less than zero (which might happen when the TUN/TAP interface is closed) 2019-09-18 19:48:53 +01:00
Neil Alexander
ae0b2672ff
Fix #539 2019-09-18 19:48:16 +01:00
Neil Alexander
2dc136f94a
Multicast actor to prevent races 2019-09-18 16:51:46 +01:00
Neil Alexander
b959f53fee
Shut down listeners when stopping 2019-09-18 16:32:22 +01:00
Neil Alexander
b0df9e2f31
Fix race when adding peers 2019-09-18 16:15:33 +01:00
Neil Alexander
c78a4cb28f
Only stop timers if they are running 2019-09-18 15:34:26 +01:00
Neil Alexander
366fe7e772
Allow multicast to be shut down more sanely 2019-09-18 15:31:43 +01:00
Neil Alexander
00a972b74e
Disconnect peers when stopping, stop modules before core 2019-09-18 15:22:17 +01:00
Neil Alexander
846df4789a
Be more verbose when a peer or listener is badly formatted 2019-09-18 15:01:19 +01:00
Neil Alexander
200b3623b2
Fix #539 2019-09-18 14:32:28 +01:00
Neil Alexander
e9bacda0b3
Catch a nil pointer when sending a session packet to a conn, this shouldn't happen but it's caused multiple crashes in conn.recvMsg 2019-09-18 14:07:26 +01:00
Neil Alexander
c3016e680c
Fix panic where slice goes out of bounds because iface.Read returns less than zero (which might happen when the TUN/TAP interface is closed) 2019-09-18 14:05:18 +01:00
Neil Alexander
40204caab6
Try to fix race condition in sessions.reset 2019-09-18 14:03:31 +01:00
Neil Alexander
be35675d0f
Catch a nil pointer when sending a session packet to a conn, this shouldn't happen but it's caused multiple crashes in conn.recvMsg 2019-09-18 13:37:01 +01:00
Arceliar
80ba24d512 force things to buffer in the switch if the best link is currently busy. note that other links can end up sending if they become non-idle for other reasons. this is a temporary workaround to packet reordering, until we can figure out a better solution 2019-09-17 19:42:07 -05:00
Arceliar
0141180279 cleanup 2019-09-09 19:25:10 -05:00
Arceliar
10a828af2c when forwarding traffic, break distance ties by favoring the link that sent the most recent switch update the fastest 2019-09-09 19:20:46 -05:00
Arceliar
2426a87ccc really finish initializing the session before returning it / giving up control of the router, in the Conn.search function used by Dial 2019-09-03 19:03:12 -05:00
Neil Alexander
af3dcb44d8
Update config.go godoc 2019-09-02 09:45:11 +01:00
Arceliar
b3361d4bbc package level documentation for address/crypto/util 2019-09-01 19:01:33 -05:00
Arceliar
cd99d04bd4 document address, crypto, and util 2019-09-01 18:53:45 -05:00
Neil Alexander
903a8921fc
Update api.go godoc 2019-09-01 23:47:47 +01:00
Neil Alexander
935324efe1
Update conn.go godoc 2019-09-01 23:33:51 +01:00
Neil Alexander
9e8e1c5a41
Documentation updates 2019-09-01 23:10:46 +01:00
Neil Alexander
01517e5dc3
Create doc.go for godoc preamble 2019-09-01 22:43:27 +01:00
Arceliar
8c52ccadf9 make dial fail if a session to the same node already exists, fixes race between simultaneous connections to a node's 200 address and one of its 300 addresses, should also fix races between a search and an accepted listen 2019-09-01 14:07:00 -05:00
Arceliar
8d2c31d39c add some artifical delay to windows netsh commands, since it seems like maybe they don't take effect immediately, and this was leading to races when setting MTU 2019-09-01 13:20:48 -05:00
Arceliar
c53831696b make tun stop check that iface is not nil, in case it wasn't set for some reason (windows bugs) 2019-09-01 13:06:25 -05:00
Arceliar
d08c2eb237 stop exporting ReadNoCopy and WriteNoCopy, since we use the actor functions / callbacks and everything else should use Read and Write instead... 2019-09-01 13:04:10 -05:00
Arceliar
3a493fe894 gc more often on mobile 2019-09-01 11:08:25 -05:00
Arceliar
cabdc27a54 change how nonce is tracked, so we allow packets if we've recently received a highest nonce ever, but don't bother tracking all received nonce values, this means duplicate packets are possible but only for a small window of time (and significantly reduces memory usage per session) 2019-08-31 17:39:05 -05:00
Arceliar
a64f7320d8 update phony, add mobile versions of util bytes functions that don't try to store anything 2019-08-31 16:27:36 -05:00
Arceliar
7649ea0f9f remove sessionInfo.doFunc, have the api just use phony.Block instead 2019-08-29 21:59:28 -05:00
Neil Alexander
1f658cce76
Add Core actor 2019-08-28 19:53:52 +01:00
Neil Alexander
aa0770546e
Move responsibility for configuring max queue size into switch 2019-08-28 19:39:23 +01:00
Neil Alexander
fc9a1c6c31
Simplify reconfiguration 2019-08-28 19:31:04 +01:00
Neil Alexander
764f9c8e11
Remove legacy debug functions 2019-08-28 17:24:41 +01:00
Neil Alexander
881d0a1ada
Fix DEBUG_getDHTSize 2019-08-28 12:46:49 +01:00
Neil Alexander
e553f3e013
Reconfigure functions now ran by actors 2019-08-28 12:46:12 +01:00
Neil Alexander
607c906820
Pointer receivers for phony.Block 2019-08-28 12:26:44 +01:00
Neil Alexander
5d7d84f827
Remove router.doAdmin and switchTable.doAdmin 2019-08-28 12:17:19 +01:00
Arceliar
a8b323acdd have an actor manage the crypto worker pool instead of each session trying to use it directly, this should result in a fairer round-robin behavior in cases where crypto congestion is the bottleneck 2019-08-27 20:01:37 -05:00
Arceliar
3845f81357 update to latest phony, adjust interface use accordingly 2019-08-27 19:43:54 -05:00
Arceliar
4d9c6342a7 more link updates 2019-08-26 18:37:38 -05:00
Arceliar
c97dd4ad28 fix dial bug 2019-08-26 00:38:14 -05:00
Arceliar
ab59129557 have the writer clean things up. note that their still seem to be bugs in the main linkInterface actor's state machine--links sometimes just die, presumably because they're dropped from the switch and never replaced 2019-08-25 23:24:18 -05:00
Arceliar
bd3eaefb72 more link migration 2019-08-25 22:55:17 -05:00
Arceliar
b5b179904b ugly work-in-progress to migrate link to the actor model 2019-08-25 22:19:20 -05:00
Arceliar
dffd70119d remove session shutdown goroutine, just send a message instead 2019-08-25 19:13:47 -05:00
Arceliar
b2a2e251ad more TunAdapter migration 2019-08-25 18:53:11 -05:00
Arceliar
aaf34c6304 start migrating the TunAdapter to the actor model 2019-08-25 18:08:43 -05:00
Arceliar
502f2937a9 a couple race fixes and use timer.AfterFunc instead of sleeping goroutines or ticker in a few places 2019-08-25 17:00:02 -05:00
Arceliar
a3d4d8125b make the main library reconfiguration more actor-friendly 2019-08-25 12:10:59 -05:00
Arceliar
aa30c6cc98 upgrade phony dependency and switch to its new interface 2019-08-25 10:36:09 -05:00
Arceliar
5312b21665 Merge branch 'develop' of https://github.com/yggdrasil-network/yggdrasil-go into actors 2019-08-24 18:30:15 -05:00
Arceliar
f62bc842ae fix memory leak in session nonce map 2019-08-24 18:23:54 -05:00
Arceliar
48bbdac9b3 add a helper actor to the link reader to make it play nicer with backpressure 2019-08-24 16:27:12 -05:00
Arceliar
99be6b037d stop synchronizing message reads for now, not 100% safe but I don't have any better ideas 2019-08-24 16:13:34 -05:00
Arceliar
209d2ffea5 correctly call peer.sendPacketsFrom in the switch 2019-08-24 16:04:05 -05:00
Arceliar
8c7e9ec7c0 fix debug builds 2019-08-24 15:32:19 -05:00
Arceliar
c573170886 remove switch doworker loop, start a dummy loop to respond to (unused) reconfiguration instead 2019-08-24 15:27:56 -05:00
Arceliar
998c76fd8c more switch migration 2019-08-24 15:22:46 -05:00
Arceliar
555b4c18d4 a little switch cleanup 2019-08-24 15:05:18 -05:00
Arceliar
498bc395e2 start migrating switch to the actor model 2019-08-24 14:56:33 -05:00
Arceliar
b337228aa4 minor fixes to peer stuff 2019-08-24 14:24:42 -05:00
Arceliar
0539dee900 warning about possible deadlock in legacy channel send, need to migrate the link code to fix it 2019-08-24 13:25:38 -05:00
Arceliar
034fece33f more peer migration 2019-08-24 13:15:29 -05:00
Arceliar
ecd23ce9fc safer linkloop 2019-08-24 12:59:20 -05:00
Arceliar
88161009e9 more peer migration 2019-08-24 12:55:49 -05:00
Arceliar
775fb535dc start converting the peer struct into an actor 2019-08-24 12:46:24 -05:00
Arceliar
ef15a6bd79 tunConn cleanup 2019-08-24 11:44:21 -05:00
Arceliar
4893a07696 start migrating tunConn to the actor model 2019-08-24 11:38:47 -05:00
Arceliar
b582c444f8 minor cleanup 2019-08-24 01:57:08 -05:00
Arceliar
1e346aaad0 have the conn actor receive messages from the session actor and either pass them to a callback or buffer them in a channel for Read to use if no callback was set 2019-08-24 01:52:21 -05:00
Arceliar
9948e3d659 add Conn.WriteFrom to allow actor-based sending 2019-08-24 00:44:02 -05:00
Arceliar
da9f7151e3 more conn migration 2019-08-24 00:17:37 -05:00
Arceliar
6ecbc439f0 start migrating Conn to be an actor 2019-08-23 23:36:00 -05:00
Arceliar
cac3444d9a fix debug builds 2019-08-23 22:40:13 -05:00
Arceliar
cf9880464b explicitly consider the session finished case, and make a note that we could fix the packet drop situation by making the Conn into an actor too 2019-08-23 22:36:59 -05:00
Arceliar
e3603c0462 clean up unused session code 2019-08-23 22:25:40 -05:00
Arceliar
533da351f9 fix actor EnqueueFrom stack overflow (use nil now to send from self) and replace session send/recv workers with actor functions 2019-08-23 22:23:01 -05:00
Arceliar
436c84ca33 refactor sessions to store a pointer to router instead of core 2019-08-23 20:53:00 -05:00
Arceliar
5bb85cf07b refactor searches to store a pointer to router instead of core 2019-08-23 20:42:38 -05:00
Arceliar
e7024a00e7 have dht store a pointer to router instead of core 2019-08-23 20:35:54 -05:00
Arceliar
ebd806f27a move router member initialization into router.init 2019-08-23 20:29:16 -05:00
Arceliar
9835c63818 refactor things the router owns (dht, sessions, searches) into that struct, to make the ownership more explicit 2019-08-23 20:26:15 -05:00
Arceliar
bbcbbaf3b1 start migrating sessionInfo to be an actor 2019-08-23 20:05:18 -05:00
Arceliar
8e89816099 more router migration: rename functions that should only be called internally by the actor 2019-08-23 18:59:34 -05:00
Arceliar
232e6d3cb3 more router migration 2019-08-23 18:55:41 -05:00
Arceliar
9d7e7288c6 start migrating the router to an actor 2019-08-23 18:47:15 -05:00
Arceliar
12ce8c6a0a
Merge pull request #512 from neilalexander/cryptokey
Cryptokey routing changes
2019-08-20 20:23:00 -05:00
Arceliar
226dd6170d hopefully prevent a deadlock 2019-08-20 18:49:53 -05:00
Arceliar
4156aa3003 move ckr checks into the tunConn code 2019-08-20 18:10:08 -05:00
Neil Alexander
b79829c43b
Merge branch 'develop' into cryptokey 2019-08-20 09:43:17 +01:00
Neil Alexander
b6e67bc0ba
Check CKR remotes when receiving traffic 2019-08-20 09:38:46 +01:00
Neil Alexander
2b6462c8a9
Strict checking of Yggdrasil source/destination addresses 2019-08-20 09:38:27 +01:00
Arceliar
834a6a6f1a don't allocate a new child cancellation in Conn read/write calls if no deadline is set 2019-08-19 18:06:05 -05:00
Neil Alexander
2a629880fd
Rename crypto-key config options, improve control flow 2019-08-19 10:28:30 +01:00
Arceliar
8af1a7086c when a link becomes idle and packet are buffered that the link could send, send at least 65535 bytes worth instead of 1 packet, this reduces syscall overhead when small packets are sent through the network 2019-08-18 12:29:07 -05:00
Arceliar
62337bcd64 allow links to send multiple packets at once, currently we still only bother to send 1 at a time from the switch level 2019-08-18 12:17:54 -05:00
Arceliar
fd5f3ca764 fix heap pop order 2019-08-16 23:07:40 -05:00
Arceliar
03b8af9f1a keep track of recent nonces with a heap and a map instead of a fixed-size bitmask 2019-08-16 18:37:16 -05:00
Neil Alexander
5b054766a2
Update comments in handleIn, add switch_getFlowLabelFromCoords helper (in case it is useful if we try to consider flowlabels in multi-link scenarios) 2019-08-15 10:54:04 +01:00
Arceliar
1a2b7a8b60 test a change to how switch hops are selected when multiple links are idle 2019-08-14 17:57:36 -05:00
Neil Alexander
f26f071901
Merge pull request #497 from Slex/issues/488
Implement feature from https://github.com/yggdrasil-network/yggdrasil
2019-08-14 20:11:15 +01:00
Neil Alexander
33cd10c463
Merge branch 'issues/488' of github.com:slex/yggdrasil-go into issues/488 2019-08-14 19:58:45 +01:00
Neil Alexander
4702da2bcb
Use new netlink library (fixes #493) 2019-08-14 19:32:40 +01:00
Neil Alexander
d9fabad8bc
Merge pull request #502 from Arceliar/linkleak
Try to fix leaks in #501
2019-08-14 07:17:39 +01:00
Arceliar
46c5df1c23 when we abandon a link because we already have a connection to that peer, only wait for the connection to close if it's an *outgoing* link, otherwise incomming connection attempts can cause us to leak links 2019-08-13 18:49:49 -05:00
Arceliar
b2cb1d965c avoid leaking sessions when no listener exists, or blocking if it's busy 2019-08-12 18:22:30 -05:00
Arceliar
277da1fe60 make sure searches don't end if try to continue (in parallel) with nowhere left to send, but we just sent a search and are still waiting for a response 2019-08-11 13:11:14 -05:00
Arceliar
7a28eb787e try to fix a few edge cases with searches that could lead them to ending without the callback being run or without cleaning up the old search info 2019-08-11 13:00:19 -05:00
Slex
589ad638ea Implement feature from https://github.com/yggdrasil-network/yggdrasil-go/issues/488 2019-08-11 00:31:22 +03:00
Arceliar
5e81a0c421 Use a separate buffer per session for incoming packets, so 1 session that floods won't block other sessions 2019-08-07 18:08:31 -05:00
Arceliar
9ab08446ff make sure the sessionInfo.recvWorker doesn't block if sinfo.recv somehow fills 2019-08-07 17:40:50 -05:00
Neil Alexander
c99ed9fb60
Merge pull request #491 from Arceliar/flowkey
Fix the old flowkey stuff so congestion control actually works...
2019-08-07 10:33:17 +01:00
Arceliar
d795ab1b65 minor allocation fix 2019-08-06 20:51:38 -05:00
Arceliar
790524bd1c copy/paste old flowkey logic into a util function, add a struct of key and packet, make WriteNoCopy accept this instead of a slice 2019-08-06 19:25:55 -05:00
Arceliar
679866d5ff have createSession fill the sessionInfo.cancel field, have Conn use Conn.session.cancel instead of storing its own cancellation, this should prevent any of these things from being both nil and reachable at the same time 2019-08-05 19:11:28 -05:00
Arceliar
8a85149817 remove src/.DS_Store 2019-08-05 18:50:08 -05:00
Arceliar
84a4f54217 temporary fix to nil pointer, better to make sure it's never nil 2019-08-05 18:49:15 -05:00
Neil Alexander
bd3b42022b
Merge pull request #480 from Arceliar/speedup
Speedup
2019-08-05 10:24:54 +01:00
Neil Alexander
2ee00fcc09
Return box_pub_key as hex string in JSON (replaces #481) 2019-08-05 10:21:40 +01:00
Neil Alexander
3a2ae9d902
Update API to represent coords as []uint64 2019-08-05 10:17:19 +01:00
Neil Alexander
37533f157d
Make some API changes (currently broken) 2019-08-05 00:30:12 +01:00
Arceliar
979c3d4c07 move some potentially blocking operations out of session pool workers, minor cleanup 2019-08-04 16:29:58 -05:00
Arceliar
c55d7b4705 have the switch queue drop packts to ourself when the total size of all packets is at least queueTotalMaxSize, instead of an arbitrary unconfigurable packet count 2019-08-04 16:16:49 -05:00
Arceliar
6803f209b0 have tuntap code use Conn.ReadNoCopy and Conn.WriteNoCopy to avoid copying between slices 2019-08-04 15:59:51 -05:00
Arceliar
5d5486049b add Conn.ReadNoCopy and Conn.WriteNoCopy that transfer ownership of a slice instead of copying, have Read and Write use the NoCopy versions under the hood and just manage copying as needed 2019-08-04 15:53:34 -05:00
Arceliar
07f14f92ed disable crypto and switch buffer changes from testing 2019-08-04 15:25:14 -05:00
Arceliar
0ba8c6a34f have the stream code use bufio instead of copying manually to an input buffer, slightly reduces total uses of memmove 2019-08-04 15:21:04 -05:00
Arceliar
75b931f37e eliminate some more copying between slices 2019-08-04 14:50:19 -05:00
Arceliar
f52955ee0f WARNING: CRYPTO DISABLED while speeding up stream writeMsg 2019-08-04 14:18:59 -05:00
Arceliar
1e6a6d2160 use session.cancel in the router to make blocking safe, reduce size of fromRouter buffer so the drops in the switch are closer to the intended front-drop behavior 2019-08-04 02:21:41 -05:00
Arceliar
7bf5884ac1 remove some lossy channel sends that should be safe to allow to block 2019-08-04 02:14:45 -05:00
Arceliar
6da5802ae5 don't block forever in Write if the session is cancelled, cleanup Conn.Read slightly 2019-08-04 02:08:47 -05:00
Arceliar
144c823bee just use a sync.Pool as the bytestore to not overcomplicate things, the allocations from interface{} casting don't seem to actually hurt in practice right now 2019-08-04 00:28:13 -05:00
Arceliar
cbbb61b019 fix another drain on the bytestore 2019-08-04 00:00:41 -05:00
Arceliar
00e9c3dbd9 do session crypto work using the worker pool 2019-08-03 23:27:52 -05:00
Arceliar
befd1b43a0 refactor session worker code slightly 2019-08-03 23:14:51 -05:00
Arceliar
7a9ad0c8cc add workerpool to util 2019-08-03 23:10:37 -05:00
Arceliar
b9987b4fdc reduce time spent with a mutex held in sessionInfo.recvWorker 2019-08-03 22:47:10 -05:00
Arceliar
099bd3ae1e reduce part of sendWorker that needs to keep a mutex 2019-08-03 22:35:10 -05:00
Arceliar
72ed541bf3 a little cleanup to Conn functions 2019-08-03 22:07:38 -05:00
Arceliar
5dfc71e1ee put bytes back when done 2019-08-03 22:00:47 -05:00