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


			
				
					
						
						
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							mg.write("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n")

mg.write([[
<html><body>
<p>This is another example of a Lua script, creating a web page served by the
<a href="https://github.com/civetweb/civetweb/">CivetWeb web server</a>.
</p><p>
The following features are available:
<ul>
]])

  mg.write("<li>" .. _VERSION .. " server pages</li>")
  if sqlite3 then
    mg.write("<li>sqlite3 binding</li>")
  end
  if lfs then
    mg.write("<li>lua file system</li>")
  end

  
mg.write("</ul></p>\r\n")
mg.write("<p> Today is " .. os.date("%A") .. "</p>\r\n")
mg.write("<p> URI is " .. mg.request_info.uri .. "</p>\r\n")

mg.write("<p>Database example:\r\n<pre>\r\n")

  -- Open database
  local db = sqlite3.open('requests.db')
  -- Note that the data base is located in the current working directory
  -- of the process if no other path is given here.

  -- 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()

mg.write([[
</pre>
</p>
</body></html>
]])