init project

.gitignore

@@ -0,0 +1,19 @@
+.rebar3
+_*
+.eunit
+*.o
+*.beam
+*.plt
+*.swp
+*.swo
+.erlang.cookie
+ebin
+log
+erl_crash.dump
+.rebar
+logs
+_build
+.idea
+*.iml
+rebar3.crashdump
+*~

LICENSE

@@ -0,0 +1,191 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
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+
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+
+      "You" (or "Your") shall mean an individual or Legal Entity
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+      the terms of any separate license agreement you may have executed
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+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
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+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
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+
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+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   Copyright 2024, anlicheng <244108715@qq.com>.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+

README.md

@@ -0,0 +1,9 @@
+njau_bot
+=====
+
+An OTP application
+
+Build
+-----
+
+    $ rebar3 compile

apps/njau_bot/src/http_handler/api_handler.erl

@@ -0,0 +1,29 @@
+%%%-------------------------------------------------------------------
+%%% @author licheng5
+%%% @copyright (C) 2020, <COMPANY>
+%%% @doc
+%%%
+%%% @end
+%%% Created : 26. 4月 2020 3:36 下午
+%%%-------------------------------------------------------------------
+-module(api_handler).
+-author("licheng5").
+
+%% API
+-export([handle_request/4]).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% helper methods
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+handle_request("GET", "/api/hello", _, _) ->
+    {ok, 200, http_protocol:json_data(<<"hello world">>)};
+
+handle_request(_, Path, _, _) ->
+    Path1 = list_to_binary(Path),
+    {ok, 200, http_protocol:json_error(-1, <<"url: ", Path1/binary, " not found">>)}.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% helper methods
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+

apps/njau_bot/src/http_handler/http_protocol.erl

@@ -0,0 +1,96 @@
+%%%-------------------------------------------------------------------
+%%% @author licheng5
+%%% @copyright (C) 2020, <COMPANY>
+%%% @doc
+%%%
+%%% @end
+%%% Created : 26. 4月 2020 3:36 下午
+%%%-------------------------------------------------------------------
+-module(http_protocol).
+-author("licheng5").
+
+%% API
+-export([init/2]).
+-export([json_data/1, json_error/2]).
+
+init(Req0, Opts = [Mod|_]) ->
+    Method = binary_to_list(cowboy_req:method(Req0)),
+    Path = binary_to_list(cowboy_req:path(Req0)),
+    GetParams0 = cowboy_req:parse_qs(Req0),
+    GetParams = maps:from_list(GetParams0),
+    {ok, PostParams, Req1} = parse_body(Req0),
+
+    try Mod:handle_request(Method, Path, GetParams, PostParams) of
+        {ok, StatusCode, Resp} ->
+            lager:debug("[http_protocol] request path: ~p, get_params: ~p, post_params: ~p, response: ~ts",
+                [Path, GetParams, PostParams, Resp]),
+            AcceptEncoding = cowboy_req:header(<<"accept-encoding">>, Req1, <<>>),
+            Req2 = case iolist_size(Resp) >= 1024 andalso supported_gzip(AcceptEncoding) of
+                       true ->
+                           Resp1 = zlib:gzip(Resp),
+                           cowboy_req:reply(StatusCode, #{
+                               <<"Content-Type">> => <<"application/json;charset=utf-8">>,
+                               <<"Content-Encoding">> => <<"gzip">>
+                           }, Resp1, Req1);
+                       false ->
+                           cowboy_req:reply(StatusCode, #{
+                               <<"Content-Type">> => <<"application/json;charset=utf-8">>
+                           }, Resp, Req1)
+                   end,
+            {ok, Req2, Opts}
+    catch
+        throw:Error ->
+            ErrResp = json_error(-1, Error),
+            Req2 = cowboy_req:reply(404, #{
+                <<"Content-Type">> => <<"application/json;charset=utf-8">>
+            }, ErrResp, Req1),
+            {ok, Req2, Opts};
+        _:Error:Stack ->
+            lager:warning("[http_handler] get error: ~p, stack: ~p", [Error, Stack]),
+            Req2 = cowboy_req:reply(500, #{
+                <<"Content-Type">> => <<"text/html;charset=utf-8">>
+            }, <<"Internal Server Error">>, Req1),
+            {ok, Req2, Opts}
+    end.
+
+%% 判断是否支持gzip
+supported_gzip(AcceptEncoding) when is_binary(AcceptEncoding) ->
+    binary:match(AcceptEncoding, <<"gzip">>) =/= nomatch.
+
+parse_body(Req0) ->
+    ContentType = cowboy_req:header(<<"content-type">>, Req0),
+    case ContentType of
+        <<"application/json", _/binary>> ->
+            {ok, Body, Req1} = read_body(Req0),
+            {ok, catch jiffy:decode(Body, [return_maps]), Req1};
+        <<"application/x-www-form-urlencoded">> ->
+            {ok, PostParams0, Req1} = cowboy_req:read_urlencoded_body(Req0),
+            PostParams = maps:from_list(PostParams0),
+            {ok, PostParams, Req1};
+        _ ->
+            {ok, #{}, Req0}
+    end.
+
+%% 读取请求体
+read_body(Req) ->
+    read_body(Req, <<>>).
+read_body(Req, AccData) ->
+    case cowboy_req:read_body(Req) of
+        {ok, Data, Req1} ->
+            {ok, <<AccData/binary, Data/binary>>, Req1};
+        {more, Data, Req1} ->
+            read_body(Req1, <<AccData/binary, Data/binary>>)
+    end.
+
+
+json_data(Data) ->
+    Json = jiffy:encode(#{<<"result">> => Data}, [force_utf8]),
+    iolist_to_binary(Json).
+
+json_error(ErrCode, ErrMessage) when is_integer(ErrCode), is_binary(ErrMessage) ->
+    jiffy:encode(#{
+        <<"error">> => #{
+            <<"code">> => ErrCode,
+            <<"message">> => ErrMessage
+        }
+    }, [force_utf8]).

apps/njau_bot/src/njau_bot.app.src

@@ -0,0 +1,23 @@
+{application, njau_bot,
+ [{description, "An OTP application"},
+  {vsn, "0.1.0"},
+  {registered, []},
+  {mod, {njau_bot_app, []}},
+  {applications,
+   [
+    sync,
+    ranch,
+    cowboy,
+    lager,
+    jiffy,
+    parse_trans,
+    public_key,
+    kernel,
+    stdlib
+   ]},
+  {env,[]},
+  {modules, []},
+
+  {licenses, ["Apache-2.0"]},
+  {links, []}
+ ]}.

apps/njau_bot/src/njau_bot_app.erl

@@ -0,0 +1,51 @@
+%%%-------------------------------------------------------------------
+%% @doc njau_bot public API
+%% @end
+%%%-------------------------------------------------------------------
+
+-module(njau_bot_app).
+
+-behaviour(application).
+
+-export([start/2, stop/1]).
+
+start(_StartType, _StartArgs) ->
+    io:setopts([{encoding, unicode}]),
+    %% 加速内存的回收
+    erlang:system_flag(fullsweep_after, 16),
+
+    {ok, SupPid} = njau_bot_sup:start_link(),
+    %% 启动http服务
+    start_http_server(),
+
+    {ok, SupPid}.
+
+stop(_State) ->
+    ok.
+
+%% internal functions
+
+%% 启动http服务
+start_http_server() ->
+    {ok, Props} = application:get_env(njau_bot, http_server),
+    Acceptors = proplists:get_value(acceptors, Props, 50),
+    MaxConnections = proplists:get_value(max_connections, Props, 10240),
+    Backlog = proplists:get_value(backlog, Props, 1024),
+    Port = proplists:get_value(port, Props),
+
+    Dispatcher = cowboy_router:compile([
+        {'_', [
+            {"/api/[...]", http_protocol, [api_handler]}
+        ]}
+    ]),
+
+    TransOpts = [
+        {port, Port},
+        {num_acceptors, Acceptors},
+        {backlog, Backlog},
+        {max_connections, MaxConnections}
+    ],
+
+    {ok, Pid} = cowboy:start_clear(http_listener, TransOpts, #{env => #{dispatch => Dispatcher}}),
+
+    lager:debug("[iot_app] the http server start at: ~p, pid is: ~p", [Port, Pid]).

apps/njau_bot/src/njau_bot_sup.erl

@@ -0,0 +1,35 @@
+%%%-------------------------------------------------------------------
+%% @doc njau_bot top level supervisor.
+%% @end
+%%%-------------------------------------------------------------------
+
+-module(njau_bot_sup).
+
+-behaviour(supervisor).
+
+-export([start_link/0]).
+
+-export([init/1]).
+
+-define(SERVER, ?MODULE).
+
+start_link() ->
+    supervisor:start_link({local, ?SERVER}, ?MODULE, []).
+
+%% sup_flags() = #{strategy => strategy(),         % optional
+%%                 intensity => non_neg_integer(), % optional
+%%                 period => pos_integer()}        % optional
+%% child_spec() = #{id => child_id(),       % mandatory
+%%                  start => mfargs(),      % mandatory
+%%                  restart => restart(),   % optional
+%%                  shutdown => shutdown(), % optional
+%%                  type => worker(),       % optional
+%%                  modules => modules()}   % optional
+init([]) ->
+    SupFlags = #{strategy => one_for_all,
+                 intensity => 0,
+                 period => 1},
+    ChildSpecs = [],
+    {ok, {SupFlags, ChildSpecs}}.
+
+%% internal functions

config/sys.config

@@ -0,0 +1,46 @@
+[
+  {njau_bot, [
+
+    {http_server, [
+      {port, 18085},
+      {acceptors, 500},
+      {max_connections, 10240},
+      {backlog, 10240}
+    ]}
+  ]},
+
+  %% 系统日志配置，系统日志为lager, 支持日志按日期自动分割
+  {lager, [
+    {colored, true},
+    %% Whether to write a crash log, and where. Undefined means no crash logger.
+    {crash_log, "trade_hub.crash.log"},
+    %% Maximum size in bytes of events in the crash log - defaults to 65536
+    {crash_log_msg_size, 65536},
+    %% Maximum size of the crash log in bytes, before its rotated, set
+    %% to 0 to disable rotation - default is 0
+    {crash_log_size, 10485760},
+    %% What time to rotate the crash log - default is no time
+    %% rotation. See the README for a description of this format.
+    {crash_log_date, "$D0"},
+    %% Number of rotated crash logs to keep, 0 means keep only the
+    %% current one - default is 0
+    {crash_log_count, 5},
+    %% Whether to redirect error_logger messages into lager - defaults to true
+    {error_logger_redirect, true},
+
+    %% How big the gen_event mailbox can get before it is switched into sync mode
+    {async_threshold, 20},
+    %% Switch back to async mode, when gen_event mailbox size decrease from `async_threshold'
+    %% to async_threshold - async_threshold_window
+    {async_threshold_window, 5},
+
+    {handlers, [
+      %% debug | info | warning | error, 日志级别
+      {lager_console_backend, debug},
+      {lager_file_backend, [{file, "debug.log"}, {level, debug}, {size, 314572800}]},
+      {lager_file_backend, [{file, "notice.log"}, {level, notice}, {size, 314572800}]},
+      {lager_file_backend, [{file, "error.log"}, {level, error}, {size, 314572800}]},
+      {lager_file_backend, [{file, "info.log"}, {level, info}, {size, 314572800}]}
+    ]}
+  ]}
+].

config/vm.args

@@ -0,0 +1,6 @@
+-sname njau_bot
+
+-setcookie njau_bot_cookie
+
++K true
++A30

rebar.config

@@ -0,0 +1,43 @@
+{erl_opts, [debug_info]}.
+{deps, [
+    {hackney, ".*", {git, "https://github.com/benoitc/hackney.git", {tag, "1.16.0"}}},
+    {sync, ".*", {git, "https://github.com/rustyio/sync.git", {branch, "master"}}},
+    {cowboy, ".*", {git, "https://github.com/ninenines/cowboy.git", {tag, "2.10.0"}}},
+    {jiffy, ".*", {git, "https://github.com/davisp/jiffy.git", {tag, "1.1.1"}}},
+    {parse_trans, ".*", {git, "https://github.com/uwiger/parse_trans", {tag, "3.0.0"}}},
+    {lager, ".*", {git,"https://github.com/erlang-lager/lager.git", {tag, "3.9.2"}}}
+]}.
+
+{relx, [{release, {njau_bot, "0.1.0"},
+         [njau_bot,
+          sasl]},
+
+        {mode, dev},
+
+        %% automatically picked up if the files
+        %% exist but can be set manually, which
+        %% is required if the names aren't exactly
+        %% sys.config and vm.args
+        {sys_config, "./config/sys.config"},
+        {vm_args, "./config/vm.args"}
+
+        %% the .src form of the configuration files do
+        %% not require setting RELX_REPLACE_OS_VARS
+        %% {sys_config_src, "./config/sys.config.src"},
+        %% {vm_args_src, "./config/vm.args.src"}
+]}.
+
+{profiles, [{prod, [{relx,
+                     [%% prod is the default mode when prod
+                      %% profile is used, so does not have
+                      %% to be explicitly included like this
+                      {mode, prod}
+
+                      %% use minimal mode to exclude ERTS
+                      %% {mode, minimal}
+                     ]
+            }]}]}.
+
+{erl_opts, [{parse_transform,lager_transform}]}.
+
+{rebar_packages_cdn, "https://hexpm.upyun.com"}.

rebar.lock

@@ -0,0 +1,61 @@
+{"1.2.0",
+[{<<"certifi">>,{pkg,<<"certifi">>,<<"2.5.2">>},1},
+ {<<"cowboy">>,
+  {git,"https://github.com/ninenines/cowboy.git",
+       {ref,"9e600f6c1df3c440bc196b66ebbc005d70107217"}},
+  0},
+ {<<"cowlib">>,
+  {git,"https://github.com/ninenines/cowlib",
+       {ref,"cc04201c1d0e1d5603cd1cde037ab729b192634c"}},
+  1},
+ {<<"fs">>,{pkg,<<"fs">>,<<"6.1.1">>},1},
+ {<<"goldrush">>,{pkg,<<"goldrush">>,<<"0.1.9">>},1},
+ {<<"hackney">>,
+  {git,"https://github.com/benoitc/hackney.git",
+       {ref,"f3e9292db22c807e73f57a8422402d6b423ddf5f"}},
+  0},
+ {<<"idna">>,{pkg,<<"idna">>,<<"6.0.1">>},1},
+ {<<"jiffy">>,
+  {git,"https://github.com/davisp/jiffy.git",
+       {ref,"9ea1b35b6e60ba21dfd4adbd18e7916a831fd7d4"}},
+  0},
+ {<<"lager">>,
+  {git,"https://github.com/erlang-lager/lager.git",
+       {ref,"459a3b2cdd9eadd29e5a7ce5c43932f5ccd6eb88"}},
+  0},
+ {<<"metrics">>,{pkg,<<"metrics">>,<<"1.0.1">>},1},
+ {<<"mimerl">>,{pkg,<<"mimerl">>,<<"1.2.0">>},1},
+ {<<"parse_trans">>,
+  {git,"https://github.com/uwiger/parse_trans",
+       {ref,"6f3645afb43c7c57d61b54ef59aecab288ce1013"}},
+  0},
+ {<<"ranch">>,
+  {git,"https://github.com/ninenines/ranch",
+       {ref,"a692f44567034dacf5efcaa24a24183788594eb7"}},
+  1},
+ {<<"ssl_verify_fun">>,{pkg,<<"ssl_verify_fun">>,<<"1.1.6">>},1},
+ {<<"sync">>,
+  {git,"https://github.com/rustyio/sync.git",
+       {ref,"7dc303ed4ce8d26db82e171dbbd7c41067852c65"}},
+  0},
+ {<<"unicode_util_compat">>,{pkg,<<"unicode_util_compat">>,<<"0.5.0">>},2}]}.
+[
+{pkg_hash,[
+ {<<"certifi">>, <<"B7CFEAE9D2ED395695DD8201C57A2D019C0C43ECAF8B8BCB9320B40D6662F340">>},
+ {<<"fs">>, <<"9D147B944D60CFA48A349F12D06C8EE71128F610C90870BDF9A6773206452ED0">>},
+ {<<"goldrush">>, <<"F06E5D5F1277DA5C413E84D5A2924174182FB108DABB39D5EC548B27424CD106">>},
+ {<<"idna">>, <<"1D038FB2E7668CE41FBF681D2C45902E52B3CB9E9C77B55334353B222C2EE50C">>},
+ {<<"metrics">>, <<"25F094DEA2CDA98213CECC3AEFF09E940299D950904393B2A29D191C346A8486">>},
+ {<<"mimerl">>, <<"67E2D3F571088D5CFD3E550C383094B47159F3EEE8FFA08E64106CDF5E981BE3">>},
+ {<<"ssl_verify_fun">>, <<"CF344F5692C82D2CD7554F5EC8FD961548D4FD09E7D22F5B62482E5AEAEBD4B0">>},
+ {<<"unicode_util_compat">>, <<"8516502659002CEC19E244EBD90D312183064BE95025A319A6C7E89F4BCCD65B">>}]},
+{pkg_hash_ext,[
+ {<<"certifi">>, <<"3B3B5F36493004AC3455966991EAF6E768CE9884693D9968055AEEEB1E575040">>},
+ {<<"fs">>, <<"EF94E95FFE79916860649FED80AC62B04C322B0BB70F5128144C026B4D171F8B">>},
+ {<<"goldrush">>, <<"99CB4128CFFCB3227581E5D4D803D5413FA643F4EB96523F77D9E6937D994CEB">>},
+ {<<"idna">>, <<"A02C8A1C4FD601215BB0B0324C8A6986749F807CE35F25449EC9E69758708122">>},
+ {<<"metrics">>, <<"69B09ADDDC4F74A40716AE54D140F93BEB0FB8978D8636EADED0C31B6F099F16">>},
+ {<<"mimerl">>, <<"F278585650AA581986264638EBF698F8BB19DF297F66AD91B18910DFC6E19323">>},
+ {<<"ssl_verify_fun">>, <<"BDB0D2471F453C88FF3908E7686F86F9BE327D065CC1EC16FA4540197EA04680">>},
+ {<<"unicode_util_compat">>, <<"D48D002E15F5CC105A696CF2F1BBB3FC72B4B770A184D8420C8DB20DA2674B38">>}]}
+].

run

@@ -0,0 +1,6 @@
+#! /bin/sh
+
+rebar3 compile
+rebar3 release
+
+_build/default/rel/njau_bot/bin/njau_bot console