/**
* @constructor FTP
*
* ### Synopsis
*
* var ftp = new FTP(host, username, password);
*
* Creates a new FTP connection.
*
* @param {string} host - remote host to connect to.
* @param {string} username - username on remote host to login as.
* @param {string} password - password for username on remote host.
*
* ### Notes
*
* This constructor throws an error if the connection or authentication fails.
*/
function FTP(host, username, password) {
_ftp.init();
this.handle = _ftp.connect(host+':21');
if (!this.handle) {
error('connect failed');
}
var loggedIn = _ftp.login(this.handle, username, password);
if (!loggedIn) {
error('login failed');
}
this.cwd = _ftp.getcwd(this.handle);
this.systemType = _ftp.systemType(this.handle);
}
chdir: function(path) {
var ret = _ftp.chdir(this.handle, path);
this.cwd = _ftp.getcwd(this.handle);
return ret;
},