Client NAT traversal 0.1 #494
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Evidence of success: $ ./multinode-demo/client.sh testnet.solana.com
+ mkdir -p config-client-demo
+ rsync -vPz rsync://testnet.solana.com/config/leader.json config-client-demo/
leader.json
654 100% 638.67kB/s 0:00:00 (xfer#1, to-check=0/1)
sent 44 bytes received 98 bytes 284.00 bytes/sec
total size is 654 speedup is 4.61
+ rsync -vPz rsync://testnet.solana.com/config/mint.json config-client-demo/
mint.json
442 100% 431.64kB/s 0:00:00 (xfer#1, to-check=0/1)
sent 44 bytes received 96 bytes 93.33 bytes/sec
total size is 442 speedup is 3.16
+ exec cargo run --bin solana-client-demo -- -n 1 -l config-client-demo/leader.json
Compiling solana v0.7.0-alpha (file:///Users/mvines/ws/solana)
Finished dev [unoptimized + debuginfo] target(s) in 15.57s
Running `target/debug/solana-client-demo -n 1 -l config-client-demo/leader.json`
INFO 2018-06-29T21:19:35Z: solana::nat: Using local address 0.0.0.0:52657 mapped to public address 76.167.194.243:59505 for gossip
CONVERGED!
Parsing stdin...
INFO 2018-06-29T21:19:35Z: solana::nat: Using local address 0.0.0.0:57846 mapped to public address 76.167.194.243:47581 for transactions
INFO 2018-06-29T21:19:35Z: solana::nat: Using local address 0.0.0.0:61049 mapped to public address 76.167.194.243:49060 for requests
Get last ID...
INFO 2018-06-29T21:19:35Z: solana::thin_client: get_last_id
get_last_id send_to 35.230.65.68:8003
INFO 2018-06-29T21:19:35Z: solana::thin_client: Response last_id [167, 141, 96, 4, 80, 190, 117, 216, 83, 180, 27, 50, 154, 239, 181, 222, 71, 252, 243, 173, 223, 21, 125, 251, 219, 122, 127, 109, 13, 182, 39, 89]
Got last ID [167, 141, 96, 4, 80, 190, 117, 216, 83, 180, 27, 50, 154, 239, 181, 222, 71, 252, 243, 173, 223, 21, 125, 251, 219, 122, 127, 109, 13, 182, 39, 89]
Creating keypairs...
INFO 2018-06-29T21:19:37Z: solana::crdt: purge [142, 151, 75, 167] 1296
..
..
.. |
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This doesn't work for GCP-based nodes yet since there's no NAT to talk to... |
garious
reviewed
Jun 29, 2018
src/nat.rs
Outdated
| pub struct UdpSocketPair { | ||
| pub addr: SocketAddr, // Public address of the socket | ||
| pub rx: UdpSocket, // Locally bound socket that can receive from the public address | ||
| pub tx: UdpSocket, // Locally bound socket to send via public address |
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Since "tx" is so common in blockchain for "transaction", I think we should use "sender" (and "receiver" for "rx"), which is consistent with Rust's channel naming.
garious
reviewed
Jun 29, 2018
src/thin_client.rs
Outdated
| @@ -15,7 +15,8 @@ use transaction::Transaction; | |||
| /// An object for querying and sending transactions to the network. | |||
| pub struct ThinClient { | |||
| requests_addr: SocketAddr, | |||
| requests_socket: UdpSocket, | |||
| requests_socket_tx: UdpSocket, | |||
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Likewise, drop "socket" here, to make it "requests_sender".
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I can't help but notice this isn't written in bash. :) |
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Don't tempt me... |
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@garious ready for another pass. I'm working on "This doesn't work for GCP-based nodes yet since there's no NAT to talk to..." now but that can easily be a follow-up PR |
This was referenced Jun 29, 2018
Closed
garious
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Jun 29, 2018
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Coverage disabled for now (cc #443). |
mvines
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UPnP is now used to request a port on the NAT be forwarded to the local machine. This obviously only works for NATs that support UPnP, and thus is not a panacea for all NAT-related connectivity issues. Notable hacks in this patch include a transmit/receive UDP socket pair to work around current protocol limitations whereby the full node assumes its peer can receive on the same UDP port it transmitted from.
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UPnP is now used to request a port on the NAT be forwarded to the local machine.
This obviously only works for NATs that support UPnP, and thus is not a panacea
for all NAT-related connectivity issues.
Notable hacks in this patch include a transmit/receive UDP socket pair to work
around current protocol limitations whereby the full node assumes its peer can
receive on the same UDP port it transmitted from.
Fixes #458