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43 Commits

Author SHA1 Message Date
Kleissner
cb1441c97a VirtualPacketConn: New Stats field maintained by caller. This allows insight into active transfers. 
New FileTransferStats and BlockTransferStats structures.
 2022-03-16 23:52:55 +01:00
Kleissner
f305e5b158 Lite Packet algorithm for data transfer. It bypasses the CPU expensive Peernet Protocol packet encoding (which uses public key signing). 2022-01-17 03:48:40 +01:00
Kleissner
6a5312d834 New config field LogTarget. Simplified function backend.LogError. 2022-01-12 22:18:34 +01:00
Kleissner
f2c344dc96 Major refactoring of the code base into Backend structure. Increase version number to Alpha 6 to prepare for the upcoming release. 2021-12-29 05:29:34 +01:00
Kleissner
0cd4519688 Send Announcement instead of ping in case blockchain info was not refreshed within a certain threshold. This helps to keep the global blockchain cache active, with no additional overhead. Close #78 2021-12-12 01:06:55 +01:00
Kleissner
15e46133c7 Global Blockchain Cache implementation. Automatically download other blockchains based on the limits in the config. 
Started with a unified backend struct. Long term all lose vars should be put there, which in term will support multiple concurrent Peernet instances (users) within the same process.
 2021-12-11 14:55:02 +01:00
Kleissner
c63f5543f6 Implement protocol.CommandGetBlock. Close #33 2021-12-04 03:17:28 +01:00
Kleissner
f7e8f1821b New flag Firewall in the Features field to inform uncontacted peers that a Traverse message might be required to establish a connection. Close #61 
This flag can be activated via the config setting LocalFirewall.
The Features field exists in Announcement/Response messages and was now added to peer records.
 2021-11-20 04:28:03 +01:00
Kleissner
75e3d9a42e Initial UDT implementation for file transfer. 
New function RequestFileTransferUDT to download files from other peers.
 2021-10-24 04:26:30 +02:00
Kleissner
c9d9be2972 Refactor message encoding into protocol package. User Agent must be now provided in the Init function. 2021-10-18 04:37:02 +02:00
Kleissner
f1e8e0cab8 Finally moving Sequence code into protocol package 2021-10-18 02:41:55 +02:00
Kleissner
5d93a74981 Collecting network vars and functions in networks structure 2021-10-18 02:12:36 +02:00
Kleissner
e2542b3a4d Create struct ipList from ip listening list 2021-10-18 01:10:40 +02:00
Kleissner
1b9151d6fd Refactor sequence code into SequenceManager 2021-10-17 21:34:30 +02:00
Kleissner
767181620e Prepare refactoring of sequence code 2021-10-17 20:02:35 +02:00
Kleissner
1b93eac17a Moving FeatureSupport() and UserBlockchain.Header() calls out of Message Encoding. 
This paves the way for refactoring the message code into the protocol package.
 2021-10-17 17:40:22 +02:00
Kleissner
93f10fd3b5 Untangle connection from MessageRaw, paving the way for refactoring the message code into the protocol package. 2021-10-17 16:39:41 +02:00
Kleissner
0c7b1e0e03 Start refactoring protocol code into sub package. Move Packet Encoding and list of Commands. Change SetSelfReportedPorts parameters. 
More related commits to follow!
 2021-10-17 16:28:19 +02:00
Kleissner
2937154c8d Add filters for low-level packet and high-level message interception for debugging purposes. Close #4 2021-07-31 17:29:14 +02:00
Kleissner
96ee35ebf9 Finalize filter for log messages. Close #26 2021-06-29 00:48:22 +02:00
Kleissner
94c8e16724 Record BlockchainHeight and BlockchainVersion for each peer. New function IsPortForward. 2021-06-09 22:35:55 +02:00
Kleissner
d148fddd1e Simplify and streamline send code. Close #21 2021-05-19 03:40:26 +02:00
Kleissner
8e2043728c Properly count IPv4 and IPv6 networks listening (exclude link-local ones). Close #22 2021-05-18 23:22:11 +02:00
Kleissner
9eb1127b40 Alpha 2 release. Includes Traverse message according to latest Whitepaper 0.8. 
Send and traverse code needs some cleanup.
 2021-05-11 10:33:06 +02:00
Kleissner
db1c2e358c Store Features field in peer structure 2021-05-11 09:40:49 +02:00
Kleissner
3a502a1ecc Minor UPnP improvement: Run discovery of each network in parallel. 2021-05-07 01:05:02 +02:00
Kleissner
5f8f299799 Working UPnP code. Close #16 2021-05-06 14:57:40 +02:00
Kleissner
f1da49d68e Add PortForward setting to override external listening port. Improve default config inline documentation. 
Prepare EnableUPnP setting.
 2021-05-04 12:43:31 +02:00
Kleissner
0fe2ce60ec Add reported internal and external port to Connection. New function peer.IsBehindNAT. 
PeerlistAdd is now called on every incoming message. User Agent fixes.
 2021-05-04 01:13:11 +02:00
Kleissner
f3c9d5e17f Add new fields Port Internal and Port External to the Announcement/Response message according to the latest Whitepaper 0.7.3. 
These fields will be used for NAT detection and UPnP support.
 2021-05-03 14:05:07 +02:00
Kleissner
0dd9ef028b Fix race condition in sequence validation and invalidation. Once they are now checked, they can be immediately invalidated. 2021-04-20 17:20:55 +02:00
Kleissner
1eb4f4083b Implement SEQUENCE_LAST flag 2021-04-19 15:05:17 +02:00
Kleissner
b2db81143e Proper message sequence implementation for Response and Pong messages. Record round-trip time at connection level! Reply timeout. Close #13 #5 
Fixes.
 2021-04-19 05:18:07 +02:00
Kleissner
00db57aed8 Provide the new sequence number in responses. New message Local Discovery to be sent instead of Announcement via IPv4 Broadcast and IPv6 Multicast. 
Detecting IPv6 link-local addresses as local ones. Fixes.
 2021-04-18 21:50:30 +02:00
Kleissner
323f379ee7 Message encoding of announcement and response messages. 
More changes coming.
Rename of organization to Peernet s.r.o.
InformationRequest proper termination signal.
 2021-03-14 04:30:57 +01:00
Kleissner
76e4114be9 Network start listening on new interfaces #2 
Removal from listening IP map
 2021-03-02 04:48:08 +01:00
Kleissner
56a24b8b64 Termination of networks upon removal of their network adapter. 2021-03-02 04:14:22 +01:00
Kleissner
213c724016 Detect network changes, initial code. Actions to be developed. #2 2021-03-02 00:28:03 +01:00
Kleissner
ce831b31b6 Connection status field 2021-03-01 01:37:39 +01:00
Kleissner
9086e201c3 Minor change: New networkWire.unicast field which might be handy in the future. 2021-03-01 01:01:44 +01:00
Kleissner
b53ab7c7b3 Reworked connection code. Pings are now regularly sent out to every connection to check if it remains valid. 
Invalid connections are moved to a second list, and eventually dropped if they don't become active.
 2021-02-28 20:59:39 +01:00
Kleissner
ea05439262 No code changes; export some functions/struct. 2021-02-26 14:45:16 +01:00
Kleissner
fec65603f5 Initial commit. 2021-02-26 05:57:42 +01:00