PSG
/
civetweb
mirror of https://github.com/civetweb/civetweb.git


			
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<html><body>


<p>This is an example Lua server page served by
<a href="http://code.google.com/p/civetweb">Civetweb web server</a>.
Civetweb has Lua, Sqlite, and other functionality built in the binary.
This example page stores the request in the Sqlite database, and shows
all requests done previously.</p>
<p> Today is <? mg.write(os.date("%A")) ?>

<pre>
<?
  -- for k,v in pairs(_G) do mg.write(k, '\n') end

  -- Open database
  local db = sqlite3.open('requests.db')

  -- Setup a trace callback, to show SQL statements we'll be executing.
  -- db:trace(function(data, sql) mg.write('Executing: ', sql: '\n') end, nil)

  -- Create a table if it is not created already
  db:exec([[
    CREATE TABLE IF NOT EXISTS requests (
      id INTEGER PRIMARY KEY AUTOINCREMENT,
      timestamp NOT NULL,
      method NOT NULL,
      uri NOT NULL,
      addr
    );
  ]])


  -- Add entry about this request
  local stmt = db:prepare(
    'INSERT INTO requests VALUES(NULL, datetime("now"), ?, ?, ?);');
  stmt:bind_values(mg.request_info.request_method,
                   mg.request_info.uri,
                   mg.request_info.remote_port)
  stmt:step()
  stmt:finalize()

  -- Show all previous records
  mg.write('Previous requests:\n')
  stmt = db:prepare('SELECT * FROM requests ORDER BY id DESC;')
  while stmt:step() == sqlite3.ROW do
    local v = stmt:get_values()
    mg.write(v[1] .. ' ' .. v[2] .. ' ' .. v[3] .. ' '
          .. v[4] .. ' ' .. v[5] .. '\n')
  end

  -- Close database
  db:close()
?>
</pre></body></html>