1 | var FTPClient = require ('node-ftp/ftp'),
|
2 | util = require ('util'),
|
3 | fs = require ('fs'),
|
4 | ftpManager = require ('./ftp/model-manager');
|
5 |
|
6 | var pipeProgress = function (config) {
|
7 | this.bytesToRead = 0;
|
8 | this.bytesRead = 0;
|
9 | this.bytesWritten = 0;
|
10 | this.lastLogged = 0;
|
11 | util.extend (this, config);
|
12 | }
|
13 |
|
14 | pipeProgress.prototype.watch = function () {
|
15 | var self = this;
|
16 | if (this.reader && this.readerWatch) {
|
17 | this.reader.on (this.readerWatch, function (chunk) {
|
18 | self.bytesRead += chunk.length;
|
19 | });
|
20 | } else if (this.writer && this.writerWatch) {
|
21 | this.writer.on (this.writerWatch, function (chunk) {
|
22 | self.bytesWritten += chunk.length;
|
23 | });
|
24 | }
|
25 | }
|
26 |
|
27 | var ftpModel = module.exports = function (modelBase) {
|
28 |
|
29 | this.modelBase = modelBase;
|
30 | this.url = modelBase.url;
|
31 |
|
32 | }
|
33 |
|
34 | util.extend(ftpModel.prototype, {
|
35 |
|
36 | store: function (source) {
|
37 |
|
38 | var self = this;
|
39 |
|
40 | var isStream = source.from instanceof fs.ReadStream;
|
41 |
|
42 | if (!isStream) {
|
43 | self.emitError('Source is not ReadStream');
|
44 | return;
|
45 | }
|
46 |
|
47 | var progress = new pipeProgress ({
|
48 | reader: source.from,
|
49 | readerWatch: 'data',
|
50 | totalBytes: source.size
|
51 | });
|
52 |
|
53 | self.ftp = new FTPClient({ host: self.url.hostname});
|
54 |
|
55 | self.ftp.on ('error', function (e) {
|
56 | if (self.emitError(e)) {
|
57 | self.ftp.end();
|
58 | }
|
59 | });
|
60 |
|
61 | self.ftp.on ('timeout', function () {
|
62 | if (self.emitError('connTimeout is over')) {
|
63 | self.ftp.end();
|
64 | }
|
65 | });
|
66 |
|
67 | self.readStream = source.from;
|
68 |
|
69 | self.readStream.on ('data', function (chunk) {
|
70 | self.modelBase.emit('data', chunk);
|
71 | });
|
72 |
|
73 | self.readStream.on ('error', function (err) {
|
74 | console.log ('readStream error');
|
75 | if (self.emitError(e)) {
|
76 | self.ftp.end();
|
77 | }
|
78 | });
|
79 |
|
80 | self.ftp.on('connect', function() {
|
81 |
|
82 | var auth = self.url.auth.split (':');
|
83 |
|
84 | self.ftp.auth(auth[0], auth[1], function(e) {
|
85 |
|
86 |
|
87 | if (self.emitError(e)) {
|
88 | self.ftp.end();
|
89 | return;
|
90 | }
|
91 |
|
92 | var cwdTarget = self.url.pathname.substring(1);
|
93 |
|
94 | self.ftp.cwd (cwdTarget, function (e) {
|
95 |
|
96 | if (e) {
|
97 | self.ftp.end();
|
98 | return;
|
99 | }
|
100 |
|
101 | if (self.progress) {
|
102 | self.progress.watch ();
|
103 | }
|
104 |
|
105 | self.readStream.resume ();
|
106 |
|
107 | var putResult = self.ftp.put(self.readStream, source.originalFileName, function(e) {
|
108 |
|
109 | if (self.emitError(e)) {
|
110 | self.ftp.end();
|
111 | return;
|
112 | }
|
113 |
|
114 | self.ftp.end();
|
115 |
|
116 | self.modelBase.emit('end');
|
117 |
|
118 | });
|
119 |
|
120 | });
|
121 |
|
122 | });
|
123 |
|
124 | });
|
125 |
|
126 |
|
127 | project.ftpModelManager.add(self, source);
|
128 |
|
129 | return progress;
|
130 | },
|
131 |
|
132 | run: function () {
|
133 | this.ftp.connect();
|
134 | },
|
135 |
|
136 | stop: function () {
|
137 | this.ftp.end();
|
138 | },
|
139 |
|
140 | emitError: function (e) {
|
141 | if (e) {
|
142 | this.modelBase.emit('error', e);
|
143 | return true;
|
144 | } else {
|
145 | return false;
|
146 | }
|
147 | }
|
148 |
|
149 | });
|