Skip to content

Instantly share code, notes, and snippets.

@timdorohin

timdorohin/fcgi.lua

Last active August 12, 2017 16:05
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save timdorohin/47b7396d963bb8078e707b059e94f085 to your computer and use it in GitHub Desktop.
Save timdorohin/47b7396d963bb8078e707b059e94f085 to your computer and use it in GitHub Desktop.
Download ZIP
Raw
fcgi.lua
#!/usr/bin/luajit
--- Configuration
local socket = "/tmp/mysocket-0"
local slimdown = require 'slimdown'
local header = [[
Content-type: text/html
<!DOCTYPE html>
<html lang="ru">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style>
* {
box-sizing: border-box;
}
.a {
margin: 0;
padding: 0;
}
.a li {
float: left;
}
.a li a {
display: block;
color: #fff;
text-align: center;
padding: 16px;
text-decoration: none;
}
.a li a:hover {
background-color: #333;
}
.b {
padding: 8px;
margin: 8px;
display: block;
}
.c {
border: 8px solid #999;
}
.d {
list-style-type: none;
overflow: hidden;
background-color: #666;
}
.e {
margin-left: auto;
margin-right: auto;
background-color: #ccc;
max-width: 40em;
}
#name {
float: right;
}
.header {
background-color: #999;
font-weight: bold;
}
h7 {
float: right;
}
</style>
</head>
<body class="a e">
<div class="header b">
<ul class="a d">
<li>
<a href="/">/</a>
</li>
<li>
<a href="/server">/server</a>
</li>
<li>
<a href="/fuck_you">/info</a>
</li>
<li id="name">
<a href="/">WTF... is that?!</a>
</li>
</ul>
</div>]]
local div_open = [[<div class="b c">]]
local div_close = [[</div>]]
local footer = [[</body></html>]]
local ffi = require("ffi")
print("ffi loaded")
ffi.cdef[[
int FCGX_Init(void);
int FCGX_OpenSocket(const char *path, int backlog);
typedef struct FCGX_Stream {
unsigned char *rdNext;
unsigned char *wrNext;
unsigned char *stop;
unsigned char *stopUnget;
int isReader;
int isClosed;
int wasFCloseCalled;
int FCGI_errno;
void (*fillBuffProc) (struct FCGX_Stream *stream);
void (*emptyBuffProc) (struct FCGX_Stream *stream, int doClose);
void *data;
} FCGX_Stream;
typedef struct FCGX_Request {
int requestId;
int role;
FCGX_Stream *in;
FCGX_Stream *out;
FCGX_Stream *err;
char **envp;
struct Params *paramsPtr;
int ipcFd;
int isBeginProcessed;
int keepConnection;
int appStatus;
int nWriters;
int flags;
int listen_sock;
int detached;
} FCGX_Request;
int FCGX_InitRequest(FCGX_Request *request, int sock, int flags);
int FCGX_Accept_r(FCGX_Request *request);
char *FCGX_GetParam(const char *name, char **envp);
int FCGX_PutS(const char *str, FCGX_Stream *stream);
void FCGX_Finish_r(FCGX_Request *request);
]]
print("cdef loaded")
local fcgi = ffi.load("fcgi")
print("libfcgi loaded")
local init = fcgi.FCGX_Init()
print("libfcgi initialised")
local socketId = fcgi.FCGX_OpenSocket(socket, 20)
print("socket initialised:")
print(socketId)
local request = ffi.new("FCGX_Request")
local reqinit = fcgi.FCGX_InitRequest(request, socketId, 0)
print("request initialised:")
print(reqinit)
while true do
local rc = fcgi.FCGX_Accept_r(request)
print("answering")
if rc ~= 0 then break end
local uri = ffi.string(fcgi.FCGX_GetParam("REQUEST_URI", request.envp))
local file = "/srv/http/pages/" .. uri:sub(2, 10) .. ".md"
local f_desc = io.open(file, "r")
if f_desc == nil then f_desc = io.open("/srv/http/pages/default.md", "r") end
f = f_desc:read("*all")
local post = slimdown.render(f)
local answer = header .. div_open .. post .. div_close .. footer
fcgi.FCGX_PutS(answer,request.out)
fcgi.FCGX_Finish_r(request)
end
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment