diff options
Diffstat (limited to 'examples/hello_world')
| -rw-r--r-- | examples/hello_world/README.md | 16 | ||||
| -rw-r--r-- | examples/hello_world/rebar.config | 4 | ||||
| -rw-r--r-- | examples/hello_world/src/hello_world.app.src | 15 | ||||
| -rw-r--r-- | examples/hello_world/src/hello_world.erl | 24 | ||||
| -rw-r--r-- | examples/hello_world/src/hello_world_app.erl | 26 | ||||
| -rw-r--r-- | examples/hello_world/src/hello_world_sup.erl | 23 | ||||
| -rw-r--r-- | examples/hello_world/src/toppage_handler.erl | 18 | ||||
| -rwxr-xr-x | examples/hello_world/start.sh | 3 |
8 files changed, 129 insertions, 0 deletions
diff --git a/examples/hello_world/README.md b/examples/hello_world/README.md new file mode 100644 index 0000000..71b7983 --- /dev/null +++ b/examples/hello_world/README.md @@ -0,0 +1,16 @@ +Cowboy Hello World +================== + +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 point your browser to the indicated URL. diff --git a/examples/hello_world/rebar.config b/examples/hello_world/rebar.config new file mode 100644 index 0000000..6ad3062 --- /dev/null +++ b/examples/hello_world/rebar.config @@ -0,0 +1,4 @@ +{deps, [ + {cowboy, ".*", + {git, "git://github.com/extend/cowboy.git", "master"}} +]}. diff --git a/examples/hello_world/src/hello_world.app.src b/examples/hello_world/src/hello_world.app.src new file mode 100644 index 0000000..eeab835 --- /dev/null +++ b/examples/hello_world/src/hello_world.app.src @@ -0,0 +1,15 @@ +%% Feel free to use, reuse and abuse the code in this file. + +{application, hello_world, [ + {description, "Cowboy Hello World example."}, + {vsn, "1"}, + {modules, []}, + {registered, []}, + {applications, [ + kernel, + stdlib, + cowboy + ]}, + {mod, {hello_world_app, []}}, + {env, []} +]}. diff --git a/examples/hello_world/src/hello_world.erl b/examples/hello_world/src/hello_world.erl new file mode 100644 index 0000000..eb1e1f5 --- /dev/null +++ b/examples/hello_world/src/hello_world.erl @@ -0,0 +1,24 @@ +%% Copyright (c) 2012, Loïc Hoguin <[email protected]> +%% +%% Permission to use, copy, modify, and/or distribute this software for any +%% purpose with or without fee is hereby granted, provided that the above +%% copyright notice and this permission notice appear in all copies. +%% +%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +-module(hello_world). + +%% API. +-export([start/0]). + +%% API. + +start() -> + ok = application:start(cowboy), + ok = application:start(hello_world). diff --git a/examples/hello_world/src/hello_world_app.erl b/examples/hello_world/src/hello_world_app.erl new file mode 100644 index 0000000..03f3e6e --- /dev/null +++ b/examples/hello_world/src/hello_world_app.erl @@ -0,0 +1,26 @@ +%% Feel free to use, reuse and abuse the code in this file. + +%% @private +-module(hello_world_app). +-behaviour(application). + +%% API. +-export([start/2]). +-export([stop/1]). + +%% API. + +start(_Type, _Args) -> + Dispatch = [ + {'_', [ + {[], toppage_handler, []} + ]} + ], + {ok, _} = cowboy:start_listener(http, 100, + cowboy_tcp_transport, [{port, 8080}], + cowboy_http_protocol, [{dispatch, Dispatch}] + ), + hello_world_sup:start_link(). + +stop(_State) -> + ok. diff --git a/examples/hello_world/src/hello_world_sup.erl b/examples/hello_world/src/hello_world_sup.erl new file mode 100644 index 0000000..01fbe3b --- /dev/null +++ b/examples/hello_world/src/hello_world_sup.erl @@ -0,0 +1,23 @@ +%% Feel free to use, reuse and abuse the code in this file. + +%% @private +-module(hello_world_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([]) -> + Procs = [], + {ok, {{one_for_one, 10, 10}, Procs}}. diff --git a/examples/hello_world/src/toppage_handler.erl b/examples/hello_world/src/toppage_handler.erl new file mode 100644 index 0000000..ba9159d --- /dev/null +++ b/examples/hello_world/src/toppage_handler.erl @@ -0,0 +1,18 @@ +%% Feel free to use, reuse and abuse the code in this file. + +%% @doc Hello world handler. +-module(toppage_handler). + +-export([init/3]). +-export([handle/2]). +-export([terminate/2]). + +init(_Transport, Req, []) -> + {ok, Req, undefined}. + +handle(Req, State) -> + {ok, Req2} = cowboy_http_req:reply(200, [], <<"Hello world!">>, Req), + {ok, Req2, State}. + +terminate(_Req, _State) -> + ok. diff --git a/examples/hello_world/start.sh b/examples/hello_world/start.sh new file mode 100755 index 0000000..b6d1b2d --- /dev/null +++ b/examples/hello_world/start.sh @@ -0,0 +1,3 @@ +#!/bin/sh +erl -pa ebin deps/*/ebin -s hello_world \ + -eval "io:format(\"Point your browser at http://localhost:8080~n\")." |