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Update README to explain how the client example works.

This commit is contained in:
whitequark 2017-03-05 06:15:15 +00:00
parent 9ce66375c4
commit ae89abe0a4
2 changed files with 20 additions and 3 deletions
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19
README.md
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@ -151,7 +151,7 @@ sudo ./target/debug/tcpdump eth0
### examples/server.rs
_examples/server.rs_ emulates a network host that can serve requests.
_examples/server.rs_ emulates a network host that can respond to requests.
The host is assigned the hardware address `02-00-00-00-00-01` and IPv4 address `192.168.69.1`.
@ -176,6 +176,23 @@ The buffers are only 64 bytes long, for convenience of testing resource exhausti
Fault injection is available through the `--drop-chance` and `--corrupt-chance` options,
with values in percents. A good starting value is 15%.
### examples/client.rs
_examples/client.rs_ emulates a network host that can initiate requests.
The host is assigned the hardware address `02-00-00-00-00-02` and IPv4 address `192.168.69.2`.
Read its [source code](/examples/client.rs), then run it as:
```sh
cargo run --example client -- tap0 ADDRESS PORT
```
It connects to the given address (not a hostname) and port (e.g. `socat stdio tcp4-listen 1234`),
and will respond with reversed chunks of the input indefinitely.
Fault injection is available, as described above.
License
-------

4
examples/client.rs
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@ -28,8 +28,8 @@ fn main() {
let tcp_tx_buffer = TcpSocketBuffer::new(vec![0; 128]);
let tcp_socket = TcpSocket::new(tcp_rx_buffer, tcp_tx_buffer);
let hardware_addr = EthernetAddress([0x02, 0x00, 0x00, 0x00, 0x00, 0x01]);
let protocol_addr = IpAddress::v4(192, 168, 69, 1);
let hardware_addr = EthernetAddress([0x02, 0x00, 0x00, 0x00, 0x00, 0x02]);
let protocol_addr = IpAddress::v4(192, 168, 69, 2);
let mut iface = EthernetInterface::new(
Box::new(device), Box::new(arp_cache) as Box<ArpCache>,
hardware_addr, [protocol_addr]);