Ecosyste.ms: Awesome
An open API service indexing awesome lists of open source software.
https://github.com/viveksb007/gvisor-experiment
Gvisor user space network stack experiments
https://github.com/viveksb007/gvisor-experiment
Last synced: 25 days ago
JSON representation
Gvisor user space network stack experiments
- Host: GitHub
- URL: https://github.com/viveksb007/gvisor-experiment
- Owner: viveksb007
- Created: 2024-10-19T23:23:08.000Z (2 months ago)
- Default Branch: main
- Last Pushed: 2024-11-16T05:24:59.000Z (about 1 month ago)
- Last Synced: 2024-11-16T06:22:07.496Z (about 1 month ago)
- Language: Go
- Homepage:
- Size: 6.84 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
## gvisor experiments
Copied gvisor dependency version from https://github.com/v2fly/v2ray-core/blob/master/go.mod#L46
1. Userspace TCP client and server (https://viveksb007.github.io/2024/10/gvisor-userspace-tcp-server-client/)
`go run cmd/userspace-tcpip/main.go`
```
2024/10/19 19:19:01 Starting TCP server
2024/10/19 19:19:01 {0 192.168.1.1 46896 }
2024/10/19 19:19:01 {0 192.168.1.1 8080 }
2024/10/19 19:19:01 Remote Addr 192.168.1.1:46896, Local Address 192.168.1.1:8080
2024/10/19 19:19:01 Received message on Server: Hello, TCP Server!
2024/10/19 19:19:01 Received response: Hey TCP Client
2024/10/19 19:19:02 {0 192.168.1.1 46897 }
2024/10/19 19:19:02 {0 192.168.1.1 8080 }
2024/10/19 19:19:02 Remote Addr 192.168.1.1:46897, Local Address 192.168.1.1:8080
2024/10/19 19:19:02 Received message on Server: Hello, TCP Server!
2024/10/19 19:19:02 Received response: Hey TCP Client
2024/10/19 19:19:02 {0 192.168.1.1 46898 }
2024/10/19 19:19:02 {0 192.168.1.1 8080 }
2024/10/19 19:19:02 Remote Addr 192.168.1.1:46898, Local Address 192.168.1.1:8080
2024/10/19 19:19:02 Received message on Server: Hello, TCP Server!
2024/10/19 19:19:02 Received response: Hey TCP Client
```
2. Userspace Http client and server (https://viveksb007.github.io/2024/10/gvisor-userspace-http-server-client/)
`go run cmd/userspace-http/main.go`
```
2024/10/27 20:53:11 Starting http server on port 8080
2024/10/27 20:53:11 {0 192.168.1.1 35597 }
2024/10/27 20:53:11 {0 192.168.1.1 8080 }
2024/10/27 20:53:11 TCP connection to 192.168.1.1:8080 is successful
2024/10/27 20:53:11 Received request from client 192.168.1.1:35597
2024/10/27 20:53:11 Received response: yo man
2024/10/27 20:53:11 {0 192.168.1.1 35598 }
2024/10/27 20:53:11 {0 192.168.1.1 8080 }
2024/10/27 20:53:11 TCP connection to 192.168.1.1:8080 is successful
2024/10/27 20:53:11 Received request from client 192.168.1.1:35598
2024/10/27 20:53:11 Received response: yo man
2024/10/27 20:53:11 {0 192.168.1.1 35599 }
2024/10/27 20:53:11 {0 192.168.1.1 8080 }
2024/10/27 20:53:11 TCP connection to 192.168.1.1:8080 is successful
2024/10/27 20:53:11 Received request from client 192.168.1.1:35599
2024/10/27 20:53:11 Received response: yo man
```
3. Userspace Http client communicating to Internet (https://viveksb007.github.io/2024/11/gvisor-userspace-routing-to-internet/)
`go run cmd/userspace-tcpclient/main.go -domain google.com`
```
I1121 21:47:18.447863 48963 sniffer.go:378] send tcp 192.168.1.2:61026 -> 172.253.62.100:80 len:0 id:7622 flags: S seqnum: 3215243184 ack: 0 win: 29184 xsum:0xbc2e options: {MSS:1460 WS:7 TS:true TSVal:3731565394 TSEcr:0 SACKPermitted:false Flags: }
I1121 21:47:18.467162 48963 sniffer.go:378] recv tcp 172.253.62.100:80 -> 192.168.1.2:61026 len:0 id:f42f flags: S A seqnum: 3303876076 ack: 3215243185 win: 29184 xsum:0x72e2 options: {MSS:1460 WS:7 TS:true TSVal:592919306 TSEcr:3731565394 SACKPermitted:false Flags: }
I1121 21:47:18.467348 48963 sniffer.go:378] send tcp 192.168.1.2:61026 -> 172.253.62.100:80 len:0 id:7623 flags: A seqnum: 3215243185 ack: 3303876077 win: 228 xsum:0xfb7 options: {TS:true TSVal:3731565413 TSEcr:592919306 SACKBlocks:[]}
2024/11/21 21:47:18 {1 192.168.1.2 61026 }
2024/11/21 21:47:18 {1 172.253.62.100 80 }
2024/11/21 21:47:18 TCP connection to 172.253.62.100:80 is successful
I1121 21:47:18.467487 48963 sniffer.go:378] send tcp 192.168.1.2:61026 -> 172.253.62.100:80 len:68 id:7624 flags: PA seqnum: 3215243185 ack: 3303876077 win: 4096 xsum:0x4646 options: {TS:true TSVal:3731565413 TSEcr:592919306 SACKBlocks:[]}
I1121 21:47:18.467747 48963 sniffer.go:378] recv tcp 172.253.62.100:80 -> 192.168.1.2:61026 len:0 id:0000 flags: A seqnum: 3303876077 ack: 3215243253 win: 227 xsum:0xf74 options: {TS:true TSVal:592919306 TSEcr:3731565413 SACKBlocks:[]}
I1121 21:47:18.493076 48963 sniffer.go:378] recv tcp 172.253.62.100:80 -> 192.168.1.2:61026 len:773 id:0000 flags: PA seqnum: 3303876077 ack: 3215243253 win: 4096 xsum:0x53 options: {TS:true TSVal:592919332 TSEcr:3731565413 SACKBlocks:[]}
```