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## Examples of how to use Tokio
This directory contains a number of examples showcasing various capabilities of
the `tokio` crate.
All examples can be executed with:
```
cargo run --example $name
```
A high level description of each example is:
* [`hello_world`](hello_world.rs) - a tiny server that writes "hello world" to
all connected clients and then terminates the connection, should help see how
to create and initialize `tokio`.
* [`echo`](echo.rs) - this is your standard TCP "echo server" which accepts
connections and then echos back any contents that are read from each connected
client.
* [`print_each_packet`](print_each_packet.rs) - this server will create a TCP
listener, accept connections in a loop, and put down in the stdout everything
that's read off of each TCP connection.
* [`echo-udp`](echo-udp.rs) - again your standard "echo server", except for UDP
instead of TCP. This will echo back any packets received to the original
sender.
* [`connect`](connect.rs) - this is a `nc`-like clone which can be used to
interact with most other examples. The program creates a TCP connection or UDP
socket to sends all information read on stdin to the remote peer, displaying
any data received on stdout. Often quite useful when interacting with the
various other servers here!
* [`chat`](chat.rs) - this spins up a local TCP server which will broadcast from
any connected client to all other connected clients. You can connect to this
in multiple terminals and use it to chat between the terminals.
* [`chat-combinator`](chat-combinator.rs) - Similar to `chat`, but this uses a
much more functional programming approch using combinators.
* [`proxy`](proxy.rs) - an example proxy server that will forward all connected
TCP clients to the remote address specified when starting the program.
* [`tinyhttp`](tinyhttp.rs) - a tiny HTTP/1.1 server which doesn't support HTTP
request bodies showcasing running on multiple cores, working with futures and
spawning tasks, and finally framing a TCP connection to discrete
request/response objects.
* [`tinydb`](tinydb.rs) - an in-memory database which shows sharing state
between all connected clients, notably the key/value store of this database.
* [`udp-client`](udp-client.rs) - a simple `send_dgram`/`recv_dgram` example.
If you've got an example you'd like to see here, please feel free to open an
issue. Otherwise if you've got an example you'd like to add, please feel free
to make a PR!
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