Build Webserver with Arduino Leonardo and WiFi Shield 2012101613

2012101613.c

void loop() {
 
  // verify if there is new client connected
  WiFiClient client = server.available() ;
  if ( !client ) return ;
 
  // prepare for reading request data
  boolean isBlankLine = true ;
 
  // found new client connected and process the request data
  Serial.println( "Found new client connected" ) ;
  while( client.connected() ) {
    if ( !client.available() ) break ;
   
    // read all the client's incoming request data
    char ch = client.read() ;
   
    // write all the request data back into the console
    Serial.write( ch ) ;
   
    // http rules: defined the end of http request when found blank line
    if ( ( ch == '\n' ) && ( isBlankLine ) ) {
      client.println( "HTTP/1.1 200 OK" ) ;
      client.println( "Content-Type: text/html" ) ;
      client.println( "Connection: close" ) ;
      client.println() ;
      client.println( "OK" ) ;
    }
   
    // validation of looking for the blank line
    if ( ch == '\n' ) {
      isBlankLine = true ;
      continue ;
    }
    if ( ch == '\r' ) {
      continue ;
    }
    isBlankLine = false ;
    continue ;
   
  }
 
  // do disconnect from connected client
  delay( 10 ) ;
  client.stop() ;
  Serial.println( "Client disconnected" ) ;
 
}