openresty 테스트

lua/bench_lua_vs_rust.sh

@@ -1,25 +0,0 @@
-#!/bin/bash
-
-set -e
-
-# http://luajit.org/index.html
-
-#cargo clean && \
-cargo build --release
-
-export JSONPATH_LIB_PATH="${PWD}/target/release/deps"
-export LUA_PATH="${PWD}/?.lua;"
-
-echo
-time cargo run --release --bin bench -- 1000
-echo
-time luajit bench_lua_vs_rust/example.lua 1000
-echo
-time cargo run --release --bin bench -- 5000
-echo
-time luajit bench_lua_vs_rust/example.lua 5000
-echo
-time cargo run --release --bin bench -- 10000
-echo
-time luajit bench_lua_vs_rust/example.lua 10000
-

lua/bench_lua_vs_rust/example.lua

@@ -1,4 +1,4 @@
-require("lib")
+local jsonpath = require("jsonpath")
 
 local iter;
 if arg[1] == nil or arg[1] == '' then
@@ -9,11 +9,13 @@ end
 
 print(string.format("%s - %u", "lua iter", iter));
 
-local file = io.open("../benchmark/example.json", "r");
+local file = io.open("../../benchmark/example.json", "r");
 io.input(file)
 local data = io.read("*a");
 io.close(file);
-local template = compile("$..book[?(@.price<30 && @.category==\"fiction\")]");
+
+jsonpath.init('../target/release/deps/libjsonpath_lib.so')
+local template = jsonpath.compile("$..book[?(@.price<30 && @.category==\"fiction\")]");
 for i = 0, iter do
     local r = template(data);
 --    print(r);

lua/bench_lua_vs_rust/example.rs

@@ -14,7 +14,7 @@ fn read_json(path: &str) -> String {
 }
 
 fn get_string() -> String {
-    read_json("../benchmark/example.json")
+    read_json("../../benchmark/example.json")
 }
 
 fn get_json() -> Value {

lua/bench_lua_vs_rust/run.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# cd lua/bench_lua_vs_rust && ./run.sh
+
+set -e
+
+# http://luajit.org/index.html
+
+# cargo clean && \
+cargo build --release
+
+export JSONPATH_LIB_PATH="${PWD}/../target/release/deps"
+export LUA_PATH="${PWD}/../?.lua;"
+
+echo
+time cargo run --release --bin bench -- 1000
+echo
+time luajit example.lua 1000
+echo
+time cargo run --release --bin bench -- 5000
+echo
+time luajit example.lua 5000
+echo
+time cargo run --release --bin bench -- 10000
+echo
+time luajit example.lua 10000
+

lua/docker_example/default.conf

@@ -0,0 +1,25 @@
+lua_package_path '/etc/jsonpath/?.lua;;';
+
+error_log /var/log/nginx_error.log info;
+
+server {
+    listen       80;
+    server_name  localhost;
+
+    location / {
+        default_type text/html;
+
+        content_by_lua '
+            local jsonpath = require("jsonpath")
+            jsonpath.init("/etc/jsonpath/libjsonpath_lib.so")
+            local data = ngx.location.capture("/example.json")
+            local template = jsonpath.compile("$..book[?(@.price<30 && @.category==\'fiction\')]")
+            local result = template(data.body)
+            ngx.say(result)
+        ';
+    }
+
+    location /example {
+        root /etc/jsonpath/example;
+    }
+}

lua/docker_example/run.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+# cd lua/docker_example && ./run.sh
+
+set -v
+
+docker run -d --rm --name jsonpath \
+  -v "${PWD}/../../benchmark/example.json":/etc/jsonpath/example/example.json:ro \
+  -v "${PWD}/../jsonpath.lua":/etc/jsonpath/jsonpath.lua:ro \
+  -v "${PWD}/../target/release/deps/libjsonpath_lib.so":/etc/jsonpath/libjsonpath_lib.so:ro \
+  -v "${PWD}/default.conf":/etc/nginx/conf.d/default.conf \
+  -p 8080:80 \
+  openresty/openresty:bionic
+
+docker exec -it jsonpath bash -c "curl localhost"

lua/jsonpath.lua

@@ -0,0 +1,51 @@
+local ffi = require('ffi')
+
+ffi.cdef [[
+const char* ffi_select(const char *json_str, const char *path);
+void *ffi_path_compile(const char *path);
+const char* ffi_select_with_compiled_path(void *ptr, const char *json_str);
+]]
+
+local jsonpath
+local cache = {}
+local module = {}
+
+local function existsVaiable(var)
+    for k, _ in pairs(_G) do
+        if k == var then
+            return true
+        end
+    end
+end
+
+local _ngx
+if existsVaiable('ngx') then
+    _ngx = ngx
+else
+    _ngx = {}
+    _ngx.log = function() end
+end
+
+function module.compile(path)
+    assert(jsonpath, '"libjsonpath_lib" is not loaded')
+
+    if(cache[path] == nil) then
+        cache[path] = jsonpath.ffi_path_compile(path)
+        _ngx.log(_ngx.INFO, 'compile : [' .. path .. ']')
+    end
+
+    local compiledPath = cache[path]
+    return function(jsonStr)
+        local result = jsonpath.ffi_select_with_compiled_path(compiledPath, jsonStr)
+        return ffi.string(result);
+    end
+end
+
+function module.init(path)
+    if jsonpath == nil then
+        jsonpath = ffi.load(path)
+        _ngx.log(_ngx.INFO, '"' .. path .. '" initialized')
+    end
+end
+
+return module

lua/lib.lua

@@ -1,25 +0,0 @@
-local ffi = require('ffi')
-
-local ext
-
-if ffi.os == 'Linux' then
-    ext = 'so'
-else
-    ext = 'dylib'
-end
-
-ffi.cdef [[
-const char* ffi_select(const char *json_str, const char *path);
-void *ffi_path_compile(const char *path);
-const char* ffi_select_with_compiled_path(void *ptr, const char *json_str);
-]]
-
-local jsonpathLibPath = os.getenv("JSONPATH_LIB_PATH");
-local jsonpath = ffi.load(jsonpathLibPath .. '/libjsonpath_lib.' .. ext);
-
-function compile(path)
-    local compiledPath = jsonpath.ffi_path_compile(path);
-    return function(jsonStr)
-        return ffi.string(jsonpath.ffi_select_with_compiled_path(compiledPath, jsonStr));
-    end
-end