self.ftp[self.getIdx()].ls(path, function(err, list){
let localArr = [];
let remoteArr = [];
loop(list, self.ftp.length, function(i, value, next){
if([".", ".."].indexOf(value.name) > -1) next();
let p = pathUtil.join(path, value.name);
if(value.type == 'd')
{
let ftp = self.ftp.shift();
ftp.lsAll(p, function(e, files){
self.ftp.push(ftp);
if(files.length === 0)
{
remoteArr.push(p);
localArr.push(pathUtil.join(localPath, p.substring(pathLen)));
}
for(let pp of files)
{
remoteArr.push(pp);
localArr.push(pathUtil.join(localPath, pp.substring(pathLen)));
}
next(e);
});
}
else
{
remoteArr.push(p);
localArr.push(pathUtil.join(localPath, p.substring(pathLen)));
next();
}
}, function(err, results){
ok({remote : remoteArr.sort(), local : localArr.sort()});
});
});
}).then(data => {
let servers = [];
let len = self.ftp.length;
for(let i=0; i<len; i++) servers.push(i);
loop(data.local, len, function(i, value, next){
let idx = servers.shift();
self.ftp[idx].upload(data.local[i], data.remote[i], function(err){
servers.push(idx);
next(err);
});
}, function(err, results){
if(cb) cb(err);
});
});
}).then(data => {
let servers = [];
let len = self.ftp.length;
for(let i=0; i<len; i++) servers.push(i);
let except = [];
loop(data.remote, len, function(i, value, next){
let idx = servers.shift();
self.ftp[idx].download(data.remote[i], data.local[i], function(err){
servers.push(idx);
if(err) except = except.concat(err);
next();
});
}, function(err, results){
if(cb) cb(except.length ? except : undefined);
});
});
FTPS.prototype.connect = function(config, num){
let self = this;
let errCount = 0;
let lastClient = null;
let connected = false;
config.type = 'sftp';
loop(function(){
return self.ftp.length < num;
}, function(next, i){
let ftp = new EasyFtp();
function open(client, ftp){
if(client) lastClient = client;
if(ftp) self.ftp.push(ftp);
if(self.ftp.length >= num)
{
connected = true;
self.closeCount = num;
self.emit("open", lastClient);
self.emit("ready", lastClient);
}
next();
}
ftp.on("open", function(client){
open(client, ftp);
});
ftp.on("error", function(err){
if(!ftp.isConnect)
{
errCount++;
if(errCount >= 10)
{
errCount = 0;
num--;
if(self.ftp.length == num) open();
else setTimeout(next, 500);
}
else setTimeout(next, 500);
}
else self.emit("error", err);
});
ftp.on("download", function(path){
self.emit("download", path);
});
ftp.on("downloading", function(data){
self.emit("downloading", data);
});
ftp.on("upload", function(path){
self.emit("upload", path);
});
ftp.on("uploading", function(data){
self.emit("uploading", data);
});
ftp.on("close", function(){
if(connected)
{
self.closeCount--;
if(self.closeCount <= 0)
{
self.emit("close");
}
}
});
ftp.connect(config);
});
}