8724157b54
Fix warnings.
2017-07-31 07:59:01 +00:00
7825bc6070
Implement fmt::Write for TcpSocket.
2017-07-30 06:59:01 +00:00
ae903e8841
Add UdpSocket::is_open, similar to TcpSocket::is_open in function.
...
Fixes #31 .
2017-07-30 01:17:58 +00:00
ad12573f62
Rework and test UDP sockets.
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Before, errors such as packets not fitting into a buffer would have
resulted in panics, and errors such as unbound sockets were
simply ignored.
2017-07-27 22:30:01 +00:00
8a2432dcd7
Rework error handling in TcpSocket::connect.
2017-07-27 12:27:33 +00:00
38afc64f61
Accept TCP FIN packets in SYN-RECEIVED state.
2017-07-23 23:51:56 +00:00
ab4593ea6c
Fix double tracing in the loopback example.
2017-07-23 23:18:37 +00:00
1c41f2d7fa
Fix determination of local address from incoming packets.
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We've advertised this capability before in examples, but it did not
actually work.
2017-07-23 23:07:55 +00:00
7ba49607bf
Update fault injector so that rate limiting works without std.
2017-07-23 15:10:57 +00:00
a89e57b128
Add --pcap option to all our examples.
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Also, generally reorganize and clean up option handling.
2017-07-23 14:57:04 +00:00
e381f6ec3f
Fix an off-by-three-orders-of-magnitude error.
2017-07-23 12:03:56 +00:00
cf37a34443
Fix argument order in Tracer::new callbacks.
2017-07-23 12:01:53 +00:00
b97cacd521
Inject the current timestamp into Device::{transmit,receive}.
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Various parts of smoltcp require an arrow of time; a monotonically
increasing timestamp. Most obviously this is TCP sockets, but
the tracer and the pcap writer devices also benefit from having
timestamps. There are a few ways this could be implemented:
1. using a static Cell, global for the entire smoltcp crate;
2. using a static method on Device;
3. using an instance method on Device;
4. passing the current timestamp into *Interface::poll.
The first two options are undesirable because they create a notion
of global clock, and interfere e.g. with mocking.
The third option is undesirable because not all devices are
inherently tied to a particular clock, e.g. a loopback device isn't.
Therefore, the timestamp is injected into both sockets and devices
through the *Interface::poll method.
2017-07-23 09:48:14 +00:00
eae7907f60
Add EthernetTracer, a specialization of Tracer for EthernetFrame.
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This makes the loopback example much nicer, #[cfg]-wise.
2017-07-23 06:28:00 +00:00
6dd833f1f7
Use proper clock mocking in the loopback example.
2017-07-23 06:08:13 +00:00
75ddbe9776
Add a bare-metal usage example.
2017-07-14 03:18:11 +00:00
62c9b7d6fa
In examples, trace the packets being dropped by the fault injector.
2017-06-26 08:44:07 +00:00
02abd7a983
In examples, print packet dumps with timestamps, too.
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This helps debugging retransmit issues.
2017-06-26 08:01:00 +00:00
8b27330c8b
Do not attempt to validate length of packets being emitted.
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This is a form of an uninitialized read bug; although safe it caused
panics. In short, transmit buffers received from the network stack
should be considered uninitialized (in practice they will often
contain previously transmitted packets or parts thereof). Wrapping
them with the only method we had (e.g. Ipv4Packet) treated the buffer
as if it contained a valid incoming packet, which can easily fail
with Error::Truncated.
This commit splits every `fn new(buffer: T) -> Result<Self, Error>`
method on a `Packet` into three smaller ones:
* `fn check_len(&self) -> Result<(), Error>`, purely a validator;
* `fn new(T) -> Self`, purely a wrapper;
* `fn new_checked(T) -> Result<Self, Error>`, a validating wrapper.
This makes it easy to process ingress packets (using `new_checked`),
egress packets (using `new`), and, if needed, maintain the invariants
at any point during packet construction (using `check_len`).
Fixes #17 .
2017-06-24 11:42:32 +00:00
8d7fa94a6d
Add the `ping` example.
2017-06-21 03:51:02 +00:00
53be7a7747
Add a sinkhole to the server example.
2017-05-29 16:54:51 +00:00
91ef5c60c3
Add packet shaping to the fault injector.
2017-05-29 10:53:30 +00:00
ae89abe0a4
Update README to explain how the client example works.
2017-03-05 06:15:15 +00:00
cc67e1f753
Don't block forever in TapInterface.
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Ideally Devices should be non-blocking, but that would be really
annoying to implement, so for now, to get the examples working,
I'm using this hack.
2017-03-05 05:30:03 +00:00
f49723bbf9
Add a TCP client example.
2017-03-05 04:47:45 +00:00
d20c98f870
Factor out common code from examples.
2017-03-05 04:19:19 +00:00
4d8b4c09e9
examples/server: fix outdated/misleading variable name.
2017-01-26 16:59:12 +00:00
8b04d8bebe
Try to get TCP state query methods into a saner state.
2017-01-14 09:13:25 +00:00
cca835a45a
Update TcpSocket::{can,may}_{send,recv} APIs.
2017-01-14 06:59:58 +00:00
4b92c25fa3
Rework the user-facing error handling in UDP sockets.
2017-01-12 04:18:18 +00:00
7f095f6429
Return the amount of bytes sent from UdpSocket::send_slice.
2017-01-11 06:39:27 +00:00
3b18727032
Swap the data and endpoint in UdpSocket methods.
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This is to match libstd.
2017-01-11 06:23:17 +00:00
362c954624
Make interfaces not own the sockets.
2017-01-11 05:25:54 +00:00
83b70b12af
Make binding the UDP socket an explicit operation.
2017-01-11 04:44:42 +00:00
234e5ef29e
Implement socket sets.
2017-01-11 04:05:41 +00:00
0e006383f2
Use Managed/ManagedSlice for EthernetInterface.
2017-01-10 11:37:12 +00:00
08ac98e4bc
Reorder type parameters of Interface.
2017-01-01 08:18:25 +00:00
27ccfc1bb0
Implement TCP retransmission.
2016-12-31 08:35:46 +00:00
e1e0c2e838
Impement fault injection.
2016-12-31 01:05:29 +00:00
287affb447
Implement the TCP TIME-WAIT state.
2016-12-28 05:33:12 +00:00
22b0406c59
More sensible naming for examples.
2016-12-28 00:18:10 +00:00
979cd4c1bf
Implement the TCP LAST-ACK state.
2016-12-27 23:27:33 +00:00
874264503d
Implement the TCP close operation.
2016-12-27 22:43:16 +00:00
71d1b4061f
Fix ACK validation of TCP RST packets.
2016-12-27 20:17:35 +00:00
69427c9e2f
Add TcpSocket::is_connected().
2016-12-27 18:54:45 +00:00
bbff907e87
Fix examples.
2016-12-27 18:04:39 +00:00
751a2269c3
Add support for TCP FIN in ESTABLISHED state.
2016-12-27 13:34:48 +00:00
3917ba5836
Shrink the buffers in examples for ease of testing.
2016-12-26 16:29:33 +00:00
d7e73a36f0
Add some colors for readability.
2016-12-26 15:46:36 +00:00
a8b4ed2deb
Implement the userspace side of TCP sockets.
2016-12-26 15:05:46 +00:00
whitequark
Egor Karavaev
TÖRÖK Attila