From b61a0e1e62151109fa7408d09932aaecff83b74b Mon Sep 17 00:00:00 2001
From: hladu357 <ondrej.hladuvka@gmail.com>
Date: Tue, 4 Jun 2024 14:16:36 +0200
Subject: [PATCH] done

---
 Makefile           |   6 ++++++
 conf/nginx.conf    |  10 +++++++---
 logs/error.log     |   0
 lua/key_header.lua |   5 -----
 lua/llib.lua       |   6 ++++++
 so/clib.so         | Bin 0 -> 15264 bytes
 src/module.c       |  19 +++++++++++++++++++
 7 files changed, 38 insertions(+), 8 deletions(-)
 create mode 100644 Makefile
 create mode 100644 logs/error.log
 delete mode 100644 lua/key_header.lua
 create mode 100644 lua/llib.lua
 create mode 100755 so/clib.so
 create mode 100644 src/module.c

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..f549a1d
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,6 @@
+so/testlib.so: src/module.c
+	gcc -O2 -shared -fpic -I /usr/include/luajit-2.1 -o so/clib.so src/module.c
+
+PHONY: run
+run:
+	/usr/local/openresty/bin/openresty -p .
\ No newline at end of file
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 760f83b..22ac24a 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -9,15 +9,19 @@ events {
 
 http {
     access_log /dev/stdout;
-
     lua_package_path "$prefix/lua/?.lua;;";
+    lua_package_cpath '$prefix/so/?.so;;';
+
     server {
         listen 80;
         location / {
             default_type text/plain;
             content_by_lua_block {
-                local key_header = require "key_header"
-                key_header.greet("a Lua module")
+                local clib = require("clib")
+                local llib = require("llib")
+
+                ngx.say( clib.func("Hello from") )
+                ngx.say( llib.func("Hello from") )
             }
         }
     }
diff --git a/logs/error.log b/logs/error.log
new file mode 100644
index 0000000..e69de29
diff --git a/lua/key_header.lua b/lua/key_header.lua
deleted file mode 100644
index 786c6b9..0000000
--- a/lua/key_header.lua
+++ /dev/null
@@ -1,5 +0,0 @@
-local _M = {}
-function _M.greet(name)
-    ngx.say("Greetings from ", name)
-end
-return _M
diff --git a/lua/llib.lua b/lua/llib.lua
new file mode 100644
index 0000000..5fa8fa2
--- /dev/null
+++ b/lua/llib.lua
@@ -0,0 +1,6 @@
+local _M = {}
+
+function _M.func(str)
+    ngx.say(str, " lua function")
+end
+return _M
diff --git a/so/clib.so b/so/clib.so
new file mode 100755
index 0000000000000000000000000000000000000000..cce23b3beb4ab20b5859e59148413bf6d02a16ab
GIT binary patch
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diff --git a/src/module.c b/src/module.c
new file mode 100644
index 0000000..99039e5
--- /dev/null
+++ b/src/module.c
@@ -0,0 +1,19 @@
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+
+static int func(lua_State *L) {
+    const char *arg = luaL_checkstring(L, 1); // pop argument
+    lua_pushfstring(L, "%s C func!", arg);    // push result
+    return 1;                                 // number of results
+}
+
+static const struct luaL_Reg funcs[2] = {
+    {"func", func},
+    {NULL, NULL}
+};
+
+int luaopen_clib(lua_State *L) {
+    luaL_newlib(L, funcs);
+    return 1;
+}