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diff --git a/docs/examples/tcp_echo.md b/docs/examples/tcp_echo.md deleted file mode 100644 index f016b8bd8..000000000 --- a/docs/examples/tcp_echo.md +++ /dev/null @@ -1,47 +0,0 @@ -# TCP echo server - -## Concepts - -- Listening for TCP port connections with - [Deno.listen](https://doc.deno.land/builtin/stable#Deno.listen). -- Use - [copy](https://doc.deno.land/https/deno.land/std@$STD_VERSION/io/util.ts#copy) - to take inbound data and redirect it to be outbound data. - -## Example - -This is an example of a server which accepts connections on port 8080, and -returns to the client anything it sends. - -```ts -/** - * echo_server.ts - */ -import { copy } from "https://deno.land/std@$STD_VERSION/io/util.ts"; -const listener = Deno.listen({ port: 8080 }); -console.log("listening on 0.0.0.0:8080"); -for await (const conn of listener) { - copy(conn, conn).finally(() => conn.close()); -} -``` - -Run with: - -```shell -deno run --allow-net echo_server.ts -``` - -To test it, try sending data to it with -[netcat](https://en.wikipedia.org/wiki/Netcat) (Linux/MacOS only). Below -`'hello world'` is sent over the connection, which is then echoed back to the -user: - -```shell -$ nc localhost 8080 -hello world -hello world -``` - -Like the [cat.ts example](./unix_cat.md), the `copy()` function here also does -not make unnecessary memory copies. It receives a packet from the kernel and -sends back, without further complexity. |