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389 Commits

Author SHA1 Message Date
Milos Gajdos
3d5d9be02a
Avoid recursive calls to RLock() 
Topology calls itsel recursively invoking RLock. This, according to go
documentation is wrong. This commit moves the body of Topology function
to a non-thread safe unexported function to keep locsk at check!
 2019-10-18 11:26:43 +01:00
Asim Aslam
5c38f38dd9
No need to lock here since Topology read locks and makes copies 2019-10-18 11:26:43 +01:00
Milos Gajdos
2ae583ce94
Cleanup of tunnel dial code. Clean up network channel processors 2019-10-16 20:44:22 +01:00
Asim Aslam
b1d5dc20fa
Merge pull request #860 from micro/tunnel-mode 
Tunnel mode
 2019-10-15 16:14:38 +01:00
Asim Aslam
be5093798b Use DialMode/ListenMode 2019-10-15 16:08:38 +01:00
Milos Gajdos
4936a2e1a5
Exponential backoff for failed accept connections 2019-10-15 15:58:33 +01:00
Asim Aslam
ca934951ad Use multicast on network/control channels 2019-10-15 15:57:13 +01:00
Milos Gajdos
fed5af68e6
Handle Accept errors gracefully. 
Originally when Accept fails we log the error and let the program flow
continue. This can lead to us spawning handling connection go routines
on nil connections which in turn leads to Go panics.
 2019-10-15 15:07:28 +01:00
Asim Aslam
b1fed01752 add network name to node 2019-10-14 22:26:23 +01:00
Asim Aslam
f77df51f60 Support reconnects 2019-10-13 18:36:22 +01:00
Asim Aslam
d6c6e7815e Spaces not tabs 2019-10-13 12:40:53 +01:00
Asim Aslam
01492997ea add Network.Init method 2019-10-13 12:38:13 +01:00
Asim Aslam
174f1b857c Network handler moves to service/handler 2019-10-13 12:37:56 +01:00
Asim Aslam
5029d80e68 add Network.Connect handler and network/metadata fields to node 2019-10-13 12:37:39 +01:00
Asim Aslam
b59c5a4488 move network handler to service/handler 2019-10-13 12:37:13 +01:00
Asim Aslam
2e47fdc6f5 Check the node map to avoid dupes in resolved nodes 2019-10-12 20:26:06 +01:00
Milos Gajdos
f6931f3da7
Prune routes from routers that are not in your peer graph 2019-10-10 15:28:27 +01:00
Asim Aslam
b2f99a27b7 Visit all the nodes in flatten 2019-10-10 14:35:11 +01:00
Asim Aslam
0dee11e006 Prune the peer address 2019-10-10 11:25:28 +01:00
Asim Aslam
fe94237448
Update router querying method (#834) 
* Add address to router query options. Drop Query interface for QueryOptions

* Cleanup isMatch function

* Update network proto
 2019-10-09 17:13:52 +01:00
Milos Gajdos
fe5846603a
Only limit the number of nodes returned by network resolver. 2019-10-08 15:48:52 +01:00
Milos Gajdos
61800fb7d7
Fix typo: MaxCconnections -> MaxConnections 2019-10-08 15:15:50 +01:00
Milos Gajdos
ec2fbde979
Limit the number of outbound connections to MaxConnections 
This commit also fixes control channel shenanigans:
- recover error in control channel accept
 2019-10-08 14:48:04 +01:00
Asim Aslam
94adeebed4 Use dns resolver on peer nodes 2019-10-08 09:25:23 +01:00
Asim Aslam
ad823d5177 Add dns net.LookupHost resolver! 2019-10-08 09:04:13 +01:00
Milos Gajdos
9d9683b6f9
Recover net channel Accept errors. Init tunnel nodes before Connect 2019-10-07 19:09:04 +01:00
Asim Aslam
3c6b6553fb Use peerAddress as the thing to listen on 2019-10-03 18:35:54 +01:00
Asim Aslam
2244eb8597 Advertise your peer address as advertised address 2019-10-03 17:37:29 +01:00
Asim Aslam
2370fb1209 Set gateway to node address rather than id 2019-10-02 15:52:31 +01:00
Asim Aslam
308424488b Hash the network address 2019-10-02 15:22:44 +01:00
Asim Aslam
b90871c241 Add Network.Services handler 2019-09-30 07:51:13 +01:00
Milos Gajdos
77f3e7ef48
Simplified table code. Fixed event dedup. 2019-09-26 11:56:30 +01:00
Asim Aslam
dfcedbab1e In case of non 200 response return error 2019-09-25 16:53:06 +01:00
Asim Aslam
ae40553bad only solicit the first time seeing a peer 2019-09-25 14:30:35 +01:00
Asim Aslam
f23c6d91ba Do not embed proxy/router/tunnel 2019-09-25 12:56:52 +01:00
Asim Aslam
d8dc713e2d Fix the http resolver to use micro.mu url 2019-09-23 17:50:53 +01:00
Asim Aslam
4260913b45 Set rpc methods as Network.Graph/Nodes/Routes 2019-09-23 15:41:05 +01:00
Asim Aslam
f13887f604 Only hash address if its a local route 2019-09-20 09:40:55 +01:00
Asim Aslam
66769e671f
Merge pull request #772 from micro/peers 
Replace Nodes with Peers
 2019-09-19 16:53:17 +01:00
Asim Aslam
7e05d2c440 Replace Nodes with Peers 2019-09-19 16:32:15 +01:00
Milos Gajdos
a38482ffcb
Remove data race; Unlock once done pruning/deleting 2019-09-19 11:53:13 +01:00
Asim Aslam
6222bc2a1e only set tunnel address if advertise is blank 2019-09-18 19:04:22 +01:00
Asim Aslam
05e62a2b95 allow setting advertise address 2019-09-18 18:56:02 +01:00
Milos Gajdos
38d6ffdf9a
Hash the service address before advertising it to the network. 2019-09-17 18:34:06 +01:00
Asim Aslam
e586763301
Merge pull request #761 from milosgajdos83/delete-peer-gw 
Delete dead peer [gateway] routes
 2019-09-17 16:54:35 +01:00
Milos Gajdos
3201b4cb36
Gateway is now set to node Id, hence we prune peer.id Gateway 2019-09-17 16:31:33 +01:00
Milos Gajdos
21dc7bcccf
Fix gateway addressing 
- Set Gateway as node.ID when advertising
- Set server.Address as node.ID to listen on
- Set server.Advertise as node.Address
 2019-09-17 16:11:02 +01:00
Asim Aslam
9147d378bc Set node address to tunnel address 2019-09-17 15:40:00 +01:00
Milos Gajdos
a72a2f717d
Prune stale nodes in the whole topology. 2019-09-16 19:22:55 +01:00
Milos Gajdos
2599ee8591
Prune routes routable via dead node. 2019-09-15 12:17:12 +01:00
Milos Gajdos
ccb6778f7f
Skip processing Advert which carries no events 2019-09-13 20:46:14 +01:00
Asim Aslam
b23ee58865
Update default.go 2019-09-13 11:55:53 -07:00
Milos Gajdos
323a72be34
Small refactoring; Split horizon loop break. 2019-09-13 18:46:24 +01:00
Milos Gajdos
d72e91fb38
Unlock on return from network.Connect 2019-09-13 03:31:58 +01:00
Milos Gajdos
b91c3147e7
Node API allows us to drop all network locks 
Network locks are now needed only when accessing client map. node map
access is serialied with the node mutex.
 2019-09-13 03:03:56 +01:00
Milos Gajdos
77c6c9781b
getProtoTopology has been replaced by PeersToProto 
This helps us remove redundant code across node and handler
 2019-09-13 03:03:56 +01:00
Milos Gajdos
fa4ff8921e
Removed redundant lock. Simplified proto topology 2019-09-13 03:03:56 +01:00
Milos Gajdos
d6be91e8af
Changed RPC methods. Changed Network interface. 
* Nodes/Topology removed from public methods from Network interface
* Peers() returns max depth 3 topology
* handler.Topology rpc endpoint removed
* handler.Peers rpc endpoint accept "depth" param to return max depth peers
 2019-09-13 03:03:56 +01:00
Milos Gajdos
588484c3bf
Fixed some races. Added more tests. 2019-09-13 03:03:56 +01:00
Milos Gajdos
d58eb51976
Code change to make Solicit router.proto message 2019-09-13 03:03:55 +01:00
Milos Gajdos
35cf2a5739
Make topology test more generic 2019-09-13 03:03:55 +01:00
Milos Gajdos
2dfbe93d65
Added more node tests. Small refactoring of Netowkr and handler. 2019-09-13 03:03:55 +01:00
Milos Gajdos
16fcf1fbda
Nodes, Peers and Topology methods for node 
Topology accepts an argument to define the depth of the topology
requested from the network. proto definitions have been modified
accordingly, too.
 2019-09-13 03:03:55 +01:00
Milos Gajdos
cbce5490d7
Lock the Nodes method properly when collecting them. 2019-09-13 03:03:55 +01:00
Milos Gajdos
4c709f7ac1
Write Lock() advert update: we are writing into peers map here 2019-09-13 03:03:55 +01:00
Milos Gajdos
baf4c05663
Send solicit message to ControlChannel 2019-09-13 03:03:55 +01:00
Milos Gajdos
195c6a8c90
Neighbour is now peer. Neighbourhood is Peers. Small refactor. 2019-09-13 03:03:54 +01:00
Milos Gajdos
f91d0408ab
Moved node implementation into dedicated source file 2019-09-13 03:03:54 +01:00
Milos Gajdos
eec780aaa7
Update neighbours when neighbour message is received 2019-09-13 03:03:54 +01:00
Milos Gajdos
f0a1031e97
Adding new peers up to given depth. Outline of node gaph Update 2019-09-13 03:03:54 +01:00
Asim Aslam
b5eea02f7a Move link to tunnel/ 2019-09-10 08:12:28 -07:00
Asim Aslam
e8aaca27d3 unlock before sending the message to avoid deadlock 2019-09-06 16:57:17 +01:00
Milos Gajdos
7971b1b7f9
Remove debug logs 2019-09-06 15:12:23 +01:00
Milos Gajdos
dafbacbdcb
Properly handle the list of the nodes. Send solicit on ControlChannel 2019-09-06 15:09:49 +01:00
Milos Gajdos
dddfb6f878
Fixed typos and simplified map iteration 2019-09-05 17:59:14 +01:00
Milos Gajdos
ec354934e3
Move Errors to separate init block 2019-09-05 17:44:47 +01:00
Milos Gajdos
b01c8e06e0
Update error name to ErrClientNotFound 2019-09-05 17:43:59 +01:00
Milos Gajdos
5ddfd911ba
Replace send message code by one network method 2019-09-05 17:18:16 +01:00
Milos Gajdos
2522d8cb96
Send solicit message when new neighbour is discovered 2019-09-05 16:04:44 +01:00
Milos Gajdos
4b1a7abb42
Freeze network graph when building full network topology 
Also added some comments and debug logs
 2019-09-05 00:16:22 +01:00
Asim Aslam
46a9767648
Merge pull request #730 from milosgajdos83/advert-lastseen 
Update node.lastSeen properly. Set node.lastSeen when processing advert
 2019-09-04 18:13:43 +01:00
Milos Gajdos
dd9f42e3b9
Update lastSeen timestamp properly. Set lastSeen when processing advert 2019-09-04 18:02:13 +01:00
Asim Aslam
f2c8492c77
Merge pull request #729 from micro/tunnel 
Tunnel session management and unicast/multicast
 2019-09-04 16:25:38 +01:00
Asim Aslam
b9c437fbfe Tunnel discover/announce/open/session/close 2019-09-04 09:48:05 +01:00
Milos Gajdos
4f4b3d3bae
Send connect message to NetworkChannel once we are not at caller mercy 2019-09-03 19:51:52 +01:00
Milos Gajdos
6eb6d050ed
Major bug overhaul in how we handle network.Nodes and related handler 2019-09-03 16:39:27 +01:00
Milos Gajdos
3ea4490d6c
Don't preallocate the slice if you don't index later on. 2019-09-03 15:02:30 +01:00
Milos Gajdos
ec6318befc
Prune nodes that have not announced themselves for certain time period. 2019-09-03 10:00:14 +01:00
Milos Gajdos
fb13877904
Make Nodes() BFS implementation efficient 2019-09-03 02:58:17 +01:00
Milos Gajdos
a8d4299df9
Sort the returned slice of nodes before searching 
See docs:
https://golang.org/pkg/sort/#Search
 2019-09-02 20:00:52 +01:00
Milos Gajdos
86665454e7
Implementation of Nodes method. First take on full handler 2019-09-02 17:06:21 +01:00
Milos Gajdos
4f5a849211
Added Nodes method to Network interface 2019-09-02 12:40:05 +01:00
Milos Gajdos
bf53c16e4b
Rough outline of Network introspection interface 2019-09-02 12:40:05 +01:00
Asim Aslam
6fa9d7270f Rename Tunnel ID to Channel 2019-08-30 20:05:00 +01:00
Milos Gajdos
b37837ad92
Add proto definitions for network introspection. 2019-08-30 12:29:26 +01:00
Milos Gajdos
e955e3f798
Avoid routes that route back to node without its being direct GW to dest 2019-08-30 00:04:46 +01:00
Milos Gajdos
ffa6b551f4
Don't override the neighbours. 2019-08-29 15:42:07 +01:00
Asim Aslam
3d03fe4076 Fix panic for nil slice 2019-08-29 15:09:01 +01:00
Asim Aslam
7479515099 add the ability to provide seed nodes to the network 2019-08-29 14:53:30 +01:00
Milos Gajdos
8606f1e143
Set the route.Metric before updating routing table 2019-08-29 11:45:47 +01:00
Milos Gajdos
db8e2620cb
Make tunnel channel clients key-able. Neighbour map simplified. 
tunClient is a map of tunnel clients keyed on tunnel channel name.
Neighbour map is now a cimple map of nodes which contains its nodes.
 2019-08-28 23:11:26 +01:00
Milos Gajdos
d09b7dbbef
Broadcast neighbourhood; fix critical bugs in channel connections 
This commit introduces neighbourhood announcements which allows to
maintaing neighbour map if each next-hop node.

It also fixes a critical bug when accepting connections for a particular
tunnel channel.
 2019-08-28 20:11:19 +01:00
Asim Aslam
a4f5772555 add network field to the routes 2019-08-28 08:41:19 +01:00
Milos Gajdos
5e7208119e
Adds network id. Skips processing routes when router is the origin. 2019-08-27 23:08:35 +01:00
Asim Aslam
87b56d46ac Use tunnel transport and set server address 2019-08-27 13:21:36 +01:00
Milos Gajdos
371b23d055
Introduce DefaultLink; dont hardcode name of the link 2019-08-27 11:36:46 +01:00
Asim Aslam
f97565ef0a
Merge pull request #685 from milosgajdos83/default-network 
Default network implementation
 2019-08-27 11:02:55 +01:00
Milos Gajdos
ed8d28c9ab
Set Route.Link to "network" not Route.Network. Oops! 2019-08-23 21:08:18 +01:00
Milos Gajdos
88e47b9b06
Dont bail when unable to resolve network nodes. 2019-08-23 17:48:14 +01:00
Asim Aslam
1b0295de0d Add a static network node resolver 2019-08-23 17:24:21 +01:00
Milos Gajdos
9448d7c164
Set Route.Network to "network" and Router.Gateway to network.Address 2019-08-23 16:01:57 +01:00
Milos Gajdos
8c3eec9f2a
Set the default resolver to registry 2019-08-23 15:14:16 +01:00
Milos Gajdos
e53484302c
Added ControlChannel tunnel.Listener to process incoming messages 2019-08-23 15:14:16 +01:00
Milos Gajdos
db89fc4efe
Set server name to the correct value. 2019-08-23 15:14:16 +01:00
Milos Gajdos
e1599b0f17
Set server name. Set default network name. 2019-08-23 15:14:16 +01:00
Milos Gajdos
a09d5d2e9a
Add Address method. Start and Stop router/server. 2019-08-23 15:14:16 +01:00
Milos Gajdos
6c1f1d66f7
Switch received messages on the right header 2019-08-23 15:14:16 +01:00
Milos Gajdos
a6e1287b27
Replaced incorrect proto import path 2019-08-23 15:14:15 +01:00
Milos Gajdos
fcec6e8eae
First attempt to implement default network interface 2019-08-23 15:14:15 +01:00
Milos Gajdos
6beae23afd
First commit. Outline of the default network. 2019-08-23 15:14:15 +01:00
Asim Aslam
34381213e7 Package comment 2019-08-05 18:04:47 +01:00
Asim Aslam
4030ccc27b Move proxy/router 2019-08-05 17:44:33 +01:00
Asim Aslam
d250ac736f In the event watchRegistry or watchTable exit then close the go routines 2019-08-02 15:17:48 +01:00
Asim Aslam
6719f8d655 Remove the table watcher when stopped 2019-08-02 14:59:08 +01:00
Asim Aslam
d7929ef8f3 Stop the ticker when exiting 2019-08-02 14:44:11 +01:00
Milos Gajdos
2720c6f28e
Removed trailing white characters 2019-08-01 13:32:55 +01:00
Asim Aslam
cdf0f14d58 remove this code 2019-07-31 17:19:49 +01:00
Asim Aslam
679c5f0ccd Fix some connection bugs 2019-07-31 16:49:48 +01:00
Asim Aslam
873bfcc73c Process/Stop router 2019-07-31 16:46:55 +01:00
Asim Aslam
7884e889f4 Don't publish the process rpc call and embed the router handler in the network 2019-07-31 16:36:53 +01:00
Asim Aslam
b1c49a0ddc Add router handler 2019-07-31 16:10:04 +01:00
Asim Aslam
318367cd71 move NewNetwork 2019-07-31 15:37:12 +01:00
Asim Aslam
2d09e74b0e add address/advertise 2019-07-31 15:35:51 +01:00
Asim Aslam
3e90d32f29 Add proxy/router 2019-07-31 15:30:51 +01:00
Asim Aslam
fca89e06ef Some network inspiration 2019-07-31 15:22:57 +01:00
Asim Aslam
852abcaaed yolo commit functioning router code. all credit to the milos gajdos 2019-07-29 18:57:40 +01:00
Asim Aslam
11f80708ce move lock 2019-07-29 12:52:52 +01:00
Asim Aslam
104778e5e5 move lock 2019-07-29 12:52:32 +01:00
Asim Aslam
ae99b9a887 syntactic changes 2019-07-29 12:44:59 +01:00
Asim Aslam
8fdc050e2e syntactic changes 2019-07-29 12:44:28 +01:00
Asim Aslam
8855beb62d syntactic changes 2019-07-29 12:43:20 +01:00
Asim Aslam
47acdf6a4b move Table to table 2019-07-29 12:40:13 +01:00
Asim Aslam
4fc9b9821a
Merge pull request #621 from milosgajdos83/no-table-package 
[WIP] No table package. router/service package introduced
 2019-07-29 12:36:40 +01:00
Asim Aslam
5b327ce723 change id to name in resolver 2019-07-28 20:00:09 +01:00
Asim Aslam
adb6760e21 readd the resolver 2019-07-28 12:14:40 +01:00
Milos Gajdos
3d2ec5dbb1
Regenerated proto because proto reasons. 2019-07-27 16:12:44 +01:00
Milos Gajdos
96f9ce1bd3
Proper router stopping. Printable router status. 2019-07-27 16:11:06 +01:00
Milos Gajdos
cb3052ce04
Proper stopping of service router 2019-07-27 16:11:06 +01:00
Milos Gajdos
2f1658c213
Table package is no more, hence removed references to it 2019-07-27 16:11:06 +01:00
Milos Gajdos
d8b00e801d
Stop watcher when router stops. Drain advert channel when stopping. 2019-07-27 16:11:06 +01:00