diff options
Diffstat (limited to 'examples/tcp_echo')
| -rw-r--r-- | examples/tcp_echo/README.md | 18 | ||||
| -rw-r--r-- | examples/tcp_echo/rebar.config | 4 | ||||
| -rw-r--r-- | examples/tcp_echo/src/echo_protocol.erl | 21 | ||||
| -rw-r--r-- | examples/tcp_echo/src/tcp_echo.app.src | 15 | ||||
| -rw-r--r-- | examples/tcp_echo/src/tcp_echo.erl | 12 | ||||
| -rw-r--r-- | examples/tcp_echo/src/tcp_echo_app.erl | 19 | ||||
| -rw-r--r-- | examples/tcp_echo/src/tcp_echo_sup.erl | 22 | ||||
| -rwxr-xr-x | examples/tcp_echo/start.sh | 3 |
8 files changed, 114 insertions, 0 deletions
diff --git a/examples/tcp_echo/README.md b/examples/tcp_echo/README.md new file mode 100644 index 0000000..ee8a8c8 --- /dev/null +++ b/examples/tcp_echo/README.md @@ -0,0 +1,18 @@ +Ranch TCP Echo +============== + +To compile this example you need rebar in your PATH. + +Type the following command: +``` +$ rebar get-deps compile +``` + +You can then start the Erlang node with the following command: +``` +./start.sh +``` + +Then start telnet as indicated and type in a few lines. Be +aware that there is a timeout of 5 seconds without receiving +data before the example server disconnects your session. diff --git a/examples/tcp_echo/rebar.config b/examples/tcp_echo/rebar.config new file mode 100644 index 0000000..78300c9 --- /dev/null +++ b/examples/tcp_echo/rebar.config @@ -0,0 +1,4 @@ +{deps, [ + {ranch, ".*", + {git, "git://github.com/extend/ranch.git", "master"}} +]}. diff --git a/examples/tcp_echo/src/echo_protocol.erl b/examples/tcp_echo/src/echo_protocol.erl new file mode 100644 index 0000000..b54e294 --- /dev/null +++ b/examples/tcp_echo/src/echo_protocol.erl @@ -0,0 +1,21 @@ +%% Feel free to use, reuse and abuse the code in this file. + +-module(echo_protocol). +-export([start_link/4, init/4]). + +start_link(ListenerPid, Socket, Transport, Opts) -> + Pid = spawn_link(?MODULE, init, [ListenerPid, Socket, Transport, Opts]), + {ok, Pid}. + +init(ListenerPid, Socket, Transport, _Opts = []) -> + ok = ranch:accept_ack(ListenerPid), + loop(Socket, Transport). + +loop(Socket, Transport) -> + case Transport:recv(Socket, 0, 5000) of + {ok, Data} -> + Transport:send(Socket, Data), + loop(Socket, Transport); + _ -> + ok = Transport:close(Socket) + end. diff --git a/examples/tcp_echo/src/tcp_echo.app.src b/examples/tcp_echo/src/tcp_echo.app.src new file mode 100644 index 0000000..103fd56 --- /dev/null +++ b/examples/tcp_echo/src/tcp_echo.app.src @@ -0,0 +1,15 @@ +%% Feel free to use, reuse and abuse the code in this file. + +{application, tcp_echo, [ + {description, "Ranch TCP Echo example."}, + {vsn, "1"}, + {modules, []}, + {registered, []}, + {applications, [ + kernel, + stdlib, + ranch + ]}, + {mod, {tcp_echo_app, []}}, + {env, []} +]}. diff --git a/examples/tcp_echo/src/tcp_echo.erl b/examples/tcp_echo/src/tcp_echo.erl new file mode 100644 index 0000000..46d31da --- /dev/null +++ b/examples/tcp_echo/src/tcp_echo.erl @@ -0,0 +1,12 @@ +%% Feel free to use, reuse and abuse the code in this file. + +-module(tcp_echo). + +%% API. +-export([start/0]). + +%% API. + +start() -> + ok = application:start(ranch), + ok = application:start(tcp_echo). diff --git a/examples/tcp_echo/src/tcp_echo_app.erl b/examples/tcp_echo/src/tcp_echo_app.erl new file mode 100644 index 0000000..7fac685 --- /dev/null +++ b/examples/tcp_echo/src/tcp_echo_app.erl @@ -0,0 +1,19 @@ +%% Feel free to use, reuse and abuse the code in this file. + +%% @private +-module(tcp_echo_app). +-behaviour(application). + +%% API. +-export([start/2]). +-export([stop/1]). + +%% API. + +start(_Type, _Args) -> + {ok, _} = ranch:start_listener(tcp_echo, 1, + ranch_tcp, [{port, 5555}], echo_protocol, []), + tcp_echo_sup:start_link(). + +stop(_State) -> + ok. diff --git a/examples/tcp_echo/src/tcp_echo_sup.erl b/examples/tcp_echo/src/tcp_echo_sup.erl new file mode 100644 index 0000000..8f33593 --- /dev/null +++ b/examples/tcp_echo/src/tcp_echo_sup.erl @@ -0,0 +1,22 @@ +%% Feel free to use, reuse and abuse the code in this file. + +%% @private +-module(tcp_echo_sup). +-behaviour(supervisor). + +%% API. +-export([start_link/0]). + +%% supervisor. +-export([init/1]). + +%% API. + +-spec start_link() -> {ok, pid()}. +start_link() -> + supervisor:start_link({local, ?MODULE}, ?MODULE, []). + +%% supervisor. + +init([]) -> + {ok, {{one_for_one, 10, 10}, []}}. diff --git a/examples/tcp_echo/start.sh b/examples/tcp_echo/start.sh new file mode 100755 index 0000000..925cf36 --- /dev/null +++ b/examples/tcp_echo/start.sh @@ -0,0 +1,3 @@ +#!/bin/sh +erl -pa ebin deps/*/ebin -s tcp_echo \ + -eval "io:format(\"Run: telnet localhost 5555~n\")." |