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87 Commits

Author SHA1 Message Date
Felix Lange 542b839ec7 node, p2p: move network config out of Server 
This silences a go vet message about copying p2p.Server in package node.
 2016-05-18 12:19:04 +02:00
Felix Lange 32bb280179 p2p: improve readability of dial task scheduling code 2016-05-02 18:50:15 +02:00
Felix Lange 04c6369a09 p2p, p2p/discover: track bootstrap state in p2p/discover 
This change simplifies the dial scheduling logic because it
no longer needs to track whether the discovery table has been
bootstrapped.
 2015-12-17 23:38:54 +01:00
Péter Szilágyi abb53644c6 p2p: always allow dynamic dials if network not disabled 2015-12-03 11:45:35 +02:00
Péter Szilágyi e46ab3bdcd eth, p2p, rpc/api: polish protocol info gathering 2015-10-28 12:44:15 +02:00
Jeffrey Wilcke e2d44814a5 Merge pull request #1694 from obscuren/hide-fdtrack 
fdtrack: hide message
 2015-08-19 13:50:54 -07:00
Jeffrey Wilcke 269c5c7107 Revert "fdtrack: temporary hack for tracking file descriptor usage" 
This reverts commit 5c949d3b3b.
 2015-08-19 21:46:01 +02:00
Felix Lange edccc7ae34 p2p: continue listening after temporary errors 2015-08-19 14:39:04 +02:00
Felix Lange 5c949d3b3b fdtrack: temporary hack for tracking file descriptor usage 
Package fdtrack logs statistics about open file descriptors.
This should help identify the source of #1549.
 2015-08-04 03:10:27 +02:00
Felix Lange bfbcfbe4a9 all: fix license headers one more time 
I forgot to update one instance of "go-ethereum" in commit 3f047be5a.
 2015-07-23 18:35:11 +02:00
Felix Lange 3f047be5aa all: update license headers to distiguish GPL/LGPL 
All code outside of cmd/ is licensed as LGPL. The headers
now reflect this by calling the whole work "the go-ethereum library".
 2015-07-22 18:51:45 +02:00
Felix Lange bdae4fd573 all: add some godoc synopsis comments 2015-07-07 14:12:45 +02:00
Felix Lange ea54283b30 all: update license information 2015-07-07 14:12:44 +02:00
Péter Szilágyi 6994a3daaa p2p: instrument P2P networking layer 2015-06-24 18:33:33 +03:00
Felix Lange 6fb810adaa p2p: throttle all discovery lookups 
Lookup calls would spin out of control when network connectivity was
lost. The throttling that was in place only took effect when the table
returned zero results, which doesn't happen very often.

The new throttling should not have a negative impact when the host is
online. Lookups against the network take some time and dials for all
results must complete or hit the cache before a new one is started. This
usually takes longer than four seconds, leaving online lookups
unaffected.

Fixes #1296
 2015-06-22 01:07:58 +02:00
Felix Lange 3239aca69b p2p: bump global write timeout to 20s 
The previous value of 5 seconds causes timeouts for legitimate messages
if large messages are sent.
 2015-06-09 17:07:10 +02:00
Péter Szilágyi 68898a4d6b p2p: fix Self() panic if listening is disabled 2015-05-26 19:16:05 +03:00
Péter Szilágyi e1a0ee8fc5 cmd/geth, cmd/utils, eth, p2p: pass and honor a no discovery flag 2015-05-26 19:07:24 +03:00
Péter Szilágyi 278183c7e7 eth, p2p: start the p2p server even if maxpeers == 0 2015-05-26 17:49:37 +03:00
Felix Lange 9e1fd70b50 p2p: decrease frameReadTimeout to 30s 
This detects hanging connections sooner. We send a ping every 15s and
other implementation have similar limits.
 2015-05-25 01:17:14 +02:00
Felix Lange 1440f9a37a p2p: new dialer, peer management without locks 
The most visible change is event-based dialing, which should be an
improvement over the timer-based system that we have at the moment.
The dialer gets a chance to compute new tasks whenever peers change or
dials complete. This is better than checking peers on a timer because
dials happen faster. The dialer can now make more precise decisions
about whom to dial based on the peer set and we can test those
decisions without actually opening any sockets.

Peer management is easier to test because the tests can inject
connections at checkpoints (after enc handshake, after protocol
handshake).

Most of the handshake stuff is now part of the RLPx code. It could be
exported or move to its own package because it is no longer entangled
with Server logic.
 2015-05-25 01:17:14 +02:00
Felix Lange dbdc5fd4b3 p2p: delete Server.Broadcast 2015-05-25 01:17:14 +02:00
Felix Lange 7efeb4bd96 p2p: bump maxAcceptConns and defaultDialTimout 
On the test network, we've seen that it becomes harder to connect
if the queues are so short.
 2015-05-14 03:48:28 +02:00
Felix Lange d4f0a67323 p2p: drop connections with no matching protocols 2015-05-08 16:09:55 +02:00
Felix Lange 9c0f36c46d p2p: use maxDialingConns instead of maxAcceptConns as dial limit 2015-05-08 16:09:55 +02:00
Felix Lange 914e57e49b p2p: fix disconnect at capacity 
With the introduction of static/trusted nodes, the peer count
can go above MaxPeers. Update the capacity check to handle this.
While here, decouple the trusted nodes check from the handshake
by passing a function instead.
 2015-05-08 16:09:54 +02:00
Péter Szilágyi 4d5a719f25 cmd, eth, p2p: introduce pending peer cli arg, add tests 2015-05-07 15:30:56 +03:00
Péter Szilágyi af93217775 p2p: reduce the concurrent handshakes to 10/10 in/out 2015-05-07 15:22:09 +03:00
Péter Szilágyi 2060bc8bac p2p: fix dial throttling race condition 2015-05-07 15:22:08 +03:00
Péter Szilágyi 29fef349ef p2p: fix a dialing race in the throttler 2015-05-07 15:22:08 +03:00
Péter Szilágyi 3953bf0031 p2p: limit the outbound dialing too 2015-05-07 15:22:08 +03:00
Jeffrey Wilcke a0cb1945ae Merge pull request #866 from fjl/p2p-last-minute 
Last minute p2p fixes
 2015-05-06 14:49:52 -07:00
Felix Lange 3e2a928caa p2p: stop dialing at half the maximum peer count 2015-05-06 23:44:51 +02:00
obscuren 062fa049d0 fixed merge issue 2015-05-06 22:54:21 +02:00
Péter Szilágyi 4accc187d5 eth, p2p: add trusted node list beside static list 2015-05-04 13:59:51 +03:00
Péter Szilágyi 54db54931e p2p: add static node dialing test 2015-05-04 13:08:42 +03:00
Péter Szilágyi e82ddd9198 p2p: correct a leftover trusted -> static 2015-04-30 19:34:33 +03:00
Péter Szilágyi 413ace37d3 eth, p2p: rename trusted nodes to static, drop inbound extra slots 2015-04-30 19:32:48 +03:00
Péter Szilágyi 701591b403 cmd, eth, p2p: fix review issues enumerated by Felix 2015-04-30 16:15:29 +03:00
Péter Szilágyi 1528dbc171 p2p: add trust check to handshake, test privileged connectivity 
Conflicts:
	p2p/server_test.go
 2015-04-30 16:06:47 +03:00
Péter Szilágyi 14f32a0c3a p2p: reduce the severity of a debug log 2015-04-30 16:04:09 +03:00
Péter Szilágyi de0549fabb cmd/geth, cmd/mist, cmd/utils, eth, p2p: support trusted peers 2015-04-30 16:03:10 +03:00
Felix Lange fc747ef4a6 p2p/discover: new endpoint format 
This commit changes the discovery protocol to use the new "v4" endpoint
format, which allows for separate UDP and TCP ports and makes it
possible to discover the UDP address after NAT.
 2015-04-30 14:57:33 +02:00
Péter Szilágyi 8646365b42 cmd/bootnode, eth, p2p, p2p/discover: use a fancier db design 2015-04-24 18:04:41 +03:00
Péter Szilágyi 6def110c37 cmd/bootnode, eth, p2p, p2p/discover: clean up the seeder and mesh into eth. 2015-04-24 11:33:55 +03:00
Péter Szilágyi 5f735d6fce cmd, eth, p2p, p2p/discover: init and clean up the seed cache 2015-04-24 11:23:20 +03:00
Felix Lange 635b66acdc p2p: return zero node from Self if the server is not running 
This helps with fixing the tests for cmd/geth to run without networking.
 2015-04-22 12:31:19 +02:00
Felix Lange 5528abc795 p2p: fix the dial timer 
The dial timer was not reset properly when the peer count reached
MaxPeers.
 2015-04-17 08:17:01 +02:00
obscuren 474aa924ca p2p: added limiter function to limit package broadcasting 2015-04-14 12:47:31 +02:00
Felix Lange b9929d289d p2p: fix unsynchronized map access during Server shutdown 
removePeer can be called even after listenLoop and dialLoop have returned.
 2015-04-13 17:37:32 +02:00