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auto-listen to port 8000

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This commit is contained in:
Peter Harpending 2025-09-23 16:23:35 -07:00
parent 9c5b332e00
commit 2037444f54
2 changed files with 85 additions and 13 deletions
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66
README.md
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@ -563,3 +563,69 @@ start_acceptor(ListenSocket) ->
- Everything else is boilerplate
- So our task is to remove the relay-messages logic, and replace it with http
parse/respond logic.
### Auto-listening to port `8000`
- Start commit: `9c5b332e009b88a9400a4e7008f760ce872b810a`
```diff
diff --git a/gex_httpd/src/gex_httpd.erl b/gex_httpd/src/gex_httpd.erl
index 242c82f..3a724b0 100644
--- a/gex_httpd/src/gex_httpd.erl
+++ b/gex_httpd/src/gex_httpd.erl
@@ -9,8 +9,11 @@
-copyright("Peter Harpending <peterharpending@qpq.swiss>").
+%% for our edification
-export([listen/1, ignore/0]).
--export([start/0, start/1]).
+-export([start/0]).
+
+%% erlang expects us to export these functions
-export([start/2, stop/1]).
@@ -45,17 +48,17 @@ start() ->
io:format("Starting...").
--spec start(PortNum) -> ok
- when PortNum :: inet:port_number().
-%% @doc
-%% Start the server and begin listening immediately. Slightly more convenient when
-%% playing around in the shell.
-
-start(PortNum) ->
- ok = start(),
- ok = gh_client_man:listen(PortNum),
- io:format("Startup complete, listening on ~w~n", [PortNum]).
-
+%-spec start(PortNum) -> ok
+% when PortNum :: inet:port_number().
+%%% @doc
+%%% Start the server and begin listening immediately. Slightly more convenient when
+%%% playing around in the shell.
+%
+%start(PortNum) ->
+% ok = start(),
+% ok = gh_client_man:listen(PortNum),
+% io:format("Startup complete, listening on ~w~n", [PortNum]).
+%
-spec start(normal, term()) -> {ok, pid()}.
%% @private
@@ -64,7 +67,10 @@ start(PortNum) ->
%% See: http://erlang.org/doc/apps/kernel/application.html
start(normal, _Args) ->
- gh_sup:start_link().
+ Result = gh_sup:start_link(),
+ % auto-listen to port 8000
+ ok = listen(8000),
+ Result.
-spec stop(term()) -> ok.
```

32
gex_httpd/src/gex_httpd.erl
View File

@ -9,8 +9,11 @@
-copyright("Peter Harpending <peterharpending@qpq.swiss>").
%% for our edification
-export([listen/1, ignore/0]).
-export([start/0, start/1]).
-export([start/0]).
%% erlang expects us to export these functions
-export([start/2, stop/1]).
@ -45,17 +48,17 @@ start() ->
io:format("Starting...").
-spec start(PortNum) -> ok
when PortNum :: inet:port_number().
%% @doc
%% Start the server and begin listening immediately. Slightly more convenient when
%% playing around in the shell.
start(PortNum) ->
ok = start(),
ok = gh_client_man:listen(PortNum),
io:format("Startup complete, listening on ~w~n", [PortNum]).
%-spec start(PortNum) -> ok
% when PortNum :: inet:port_number().
%%% @doc
%%% Start the server and begin listening immediately. Slightly more convenient when
%%% playing around in the shell.
%
%start(PortNum) ->
% ok = start(),
% ok = gh_client_man:listen(PortNum),
% io:format("Startup complete, listening on ~w~n", [PortNum]).
%
-spec start(normal, term()) -> {ok, pid()}.
%% @private
@ -64,7 +67,10 @@ start(PortNum) ->
%% See: http://erlang.org/doc/apps/kernel/application.html
start(normal, _Args) ->
gh_sup:start_link().
Result = gh_sup:start_link(),
% auto-listen to port 8000
ok = listen(8000),
Result.
-spec stop(term()) -> ok.