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Manual
Global functions:
- module_version() - return module version;
- dofile_lsp(filename) - load and execute lsp file;
- url_decode(string);
- args_decode(string);
- echo(...) - print values without CRLF;
- log(string) - write message to system log (or apache error log);
- content_type(string) - set content type for output data (call before starting output);
- set_out_header(name,value) - add or change output HTTP header (call before starting output);
- get_in_header(name) - return input HTTP header;
- uuid_gen() - return new uuid.
Global tables:
- _G.env - contain global request information;
- _G.args - contain GET parameters;
- _G.args_post - contain POST parameters (if request method = POST and Content-Type = application/x-form-urlencoded).
'env' table fields:
- _G.env.server_admin
- _G.env.server_hostname
- _G.env.remote_ip
- _G.env.remote_host
- _G.env.local_ip
- _G.env.local_host
- _G.env.hostname
- _G.env.method - request method;
- _G.env.handler - apache2 handler name;
- _G.env.uri - current URI;
- _G.env.filename - full path to corrent script file;
- _G.env.args - unparsed GET parameters;
- _G.env.content - posted content body (if request method = POST and Content-Type <> application/x-form-urlencoded);
- _G.env.session - user unique session id.
MySQL functions:
- mysql.open(condata,dbase) - open new connection to MySQL database and return <connection>, condata contain 'user:pass@localhost';
- mysql.escape(<connection>,string) - escape string for safe usage in statements;
- mysql.affected_rows(<connection>) - return number of affected rows after UPDATE;
- mysql.insert_id(<connection>) - return value of AUTO_INCREMENT field after INSERT;
- mysql.query(<connection>,stmt) - execute SQL statement and return <rowset>;
- mysql.fields_count(<rowset>) - return fields number in rowset;
- mysql.rows(<rowset>) - return iterator for access to one row at time (row is a lua table), see io.lines;
- mysql.table(<rowset>) - return all rows as lua table of tables.
CURL functions:
- curl.proxy(string) - set proxy server;
- curl.log_file(path) - set file name for trace (dangerous);
- curl.timeout(sec) - set I/O timeout (seconds);
- curl.open(method,url) - open and return new <connection>, method - 'GET' or 'POST';
- curl.escape(<connection>) - escape string for safe usage in requests (urlencode);
- curl.send(<connection>[,content]) - send request and return server response body ([content] for POST only);
- curl.status(<connection>) - return HTTP status code (200 if OK, 0 - if I/O error);
- curl.set_request_header(<connection>,name,value) - add or change request HTTP header.
JSON functions:
- json.no_unicode_escape(flag) - disable UTF8 to Unicode encoding feature (flag = 1);
- json.encode(...) - encode values and return as string;
- json.decode(string) - decode string and return values (\uXXXX decode to UTF8).
memcached functions:
- mcache.open(address) - open and return new <connection> to memcached, address can contain 'host:port' or '/path/to/unix/socket';
- mcache.set(<connection>,key,value[,expires] - store string value (expires in seconds);
- mcache.get(<connection>,key) - return value by key;
- mcache.del(<connection>,key) - delete value by key.
Examples
<?# This is comment ?>
<html>
<head><title>Hello from luasp</title></head>
<body>
Session: <?=env.session?><br>
<?print('Your IP address: '..env.remote_ip)?><br>
URI: <?=env.uri?><br>
</body>
</html>
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