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#23 plaggable io #30

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#23 plaggable io #30

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a27e8b9
add io modules
Aug 6, 2015
fb14439
separate io module
Aug 6, 2015
d05a06f
github issue #23
Aug 6, 2015
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143 changes: 143 additions & 0 deletions lib/io/socket-io.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,143 @@
(function() {
var SocketIOModule, debug, events, http, url,
extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
hasProp = {}.hasOwnProperty;

http = require('http');

events = require('eventemitter2');

url = require('url');

debug = require('debug')('linda:io:socket-io');

module.exports = SocketIOModule = (function(superClass) {
extend(SocketIOModule, superClass);

function SocketIOModule() {}

SocketIOModule.prototype.attach = function(linda) {
this.linda = linda;
this.tuplespace = this.linda.tuplespace.bind(this.linda);
return this;
};

SocketIOModule.prototype.listen = function(opts) {
if (opts == null) {
opts = {
io: null,
server: null
};
}
if (opts.io == null) {
throw new Error('"io" must be instance of Socket.IO');
}
if (!(opts.server instanceof http.Server)) {
throw new Error('"server" must be instance of http.Server');
}
this.io = opts.io;
this.server = opts.server;
this.oldListeners = this.server.listeners('request').splice(0);
this.server.removeAllListeners('request');
this.server.on('request', (function(_this) {
return function(req, res) {
var _url, i, len, listener, ref, results;
_url = url.parse(decodeURI(req.url), true);
if (_url.pathname === "/linda/linda.js") {
debug("GET\t" + _url.pathname);
res.setHeader('Content-Type', 'application/javascript');
res.writeHead(200);
res.end(_this.client_js_code);
return;
}
ref = _this.oldListeners;
results = [];
for (i = 0, len = ref.length; i < len; i++) {
listener = ref[i];
results.push(listener.call(_this.server, req, res));
}
return results;
};
})(this));
this.io.sockets.on('connection', (function(_this) {
return function(socket) {
var cids, info, ref, watch_cids;
cids = {};
info = {
from: socket.handshake.headers['x-forwarded-for'] || ((ref = socket.handshake.address) != null ? ref.address : void 0)
};
watch_cids = {};
socket.on('__linda_write', function(data) {
var ref1;
if ((ref1 = data.options) != null) {
ref1.from = info.from;
}
_this.tuplespace(data.tuplespace).write(data.tuple, data.options);
debug("write\t" + (JSON.stringify(data)) + " from " + info.from);
return _this.linda.emit('write', data);
});
socket.on('__linda_take', function(data) {
var cid;
cid = _this.tuplespace(data.tuplespace).option(data.options).take(data.tuple, function(err, tuple) {
cid = null;
return socket.emit("__linda_take_" + data.id, err, tuple);
});
cids[data.id] = cid;
debug("take\t" + (JSON.stringify(data)) + " from " + info.from);
_this.linda.emit('take', data);
return socket.once('disconnect', function() {
if (cid) {
return _this.tuplespace(data.tuplespace).cancel(cid);
}
});
});
socket.on('__linda_read', function(data) {
var cid;
cid = _this.tuplespace(data.tuplespace).option(data.options).read(data.tuple, function(err, tuple) {
cid = null;
return socket.emit("__linda_read_" + data.id, err, tuple);
});
cids[data.id] = cid;
debug("read\t" + (JSON.stringify(data)) + " from " + info.from);
_this.linda.emit('read', data);
return socket.once('disconnect', function() {
if (cid) {
return _this.tuplespace(data.tuplespace).cancel(cid);
}
});
});
watch_cids = {};
socket.on('__linda_watch', function(data) {
var cid;
debug("watch\t" + (JSON.stringify(data)) + " from " + info.from);
_this.linda.emit('watch', data);
if (watch_cids[data.id]) {
return;
}
watch_cids[data.id] = true;
cid = _this.tuplespace(data.tuplespace).watch(data.tuple, function(err, tuple) {
return socket.emit("__linda_watch_" + data.id, err, tuple);
});
cids[data.id] = cid;
return socket.once('disconnect', function() {
if (cid) {
return _this.tuplespace(data.tuplespace).cancel(cid);
}
});
});
return socket.on('__linda_cancel', function(data) {
debug("cancel\t" + (JSON.stringify(data)) + " from " + info.from);
_this.linda.emit('cancel', data);
_this.tuplespace(data.tuplespace).cancel(cids[data.id]);
return watch_cids[data.id] = false;
});
};
})(this));
return this;
};

return SocketIOModule;

})(events.EventEmitter2);

}).call(this);
24 changes: 12 additions & 12 deletions lib/linda-client.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,9 +18,9 @@
})();

TupleSpace = (function() {
function TupleSpace(linda, name) {
function TupleSpace(linda, name1) {
this.linda = linda;
this.name = name;
this.name = name1;
this.watch_callback_ids = {};
this.io_callbacks = [];
this.linda.io.on('disconnect', (function(_this) {
Expand All @@ -45,10 +45,10 @@
};

TupleSpace.prototype.remove_io_callbacks = function() {
var c, _i, _len, _ref;
_ref = this.io_callbacks;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
c = _ref[_i];
var c, j, len, ref;
ref = this.io_callbacks;
for (j = 0, len = ref.length; j < len; j++) {
c = ref[j];
this.linda.io.removeListener(c.name, c.listener);
}
return this.io_callbacks = [];
Expand Down Expand Up @@ -109,18 +109,18 @@
}
return setTimeout((function(_this) {
return function() {
var c, i, _i, _ref, _results;
_results = [];
for (i = _i = _ref = _this.io_callbacks.length - 1; _ref <= 0 ? _i <= 0 : _i >= 0; i = _ref <= 0 ? ++_i : --_i) {
var c, i, j, ref, results;
results = [];
for (i = j = ref = _this.io_callbacks.length - 1; ref <= 0 ? j <= 0 : j >= 0; i = ref <= 0 ? ++j : --j) {
c = _this.io_callbacks[i];
if (c.name.match(new RegExp("_" + id + "$"))) {
_this.linda.io.removeListener(c.name, c.listener);
_results.push(_this.io_callbacks.splice(i, 1));
results.push(_this.io_callbacks.splice(i, 1));
} else {
_results.push(void 0);
results.push(void 0);
}
}
return _results;
return results;
};
})(this), 100);
};
Expand Down
140 changes: 21 additions & 119 deletions lib/linda.js
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
(function() {
var Client, Linda, Tuple, TupleSpace, debug, events, fs, http, path, request, socketio, url,
__hasProp = {}.hasOwnProperty,
__extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
var Client, Linda, SocketIOModule, Tuple, TupleSpace, debug, events, fs, http, path, request, socketio, url,
extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
hasProp = {}.hasOwnProperty;

http = require('http');

Expand All @@ -25,14 +25,16 @@

Client = require(path.join(__dirname, 'linda-client'));

SocketIOModule = require(path.join(__dirname, 'io/socket-io'));

module.exports.TupleSpace = TupleSpace;

module.exports.Tuple = Tuple;

module.exports.Client = Client;

Linda = (function(_super) {
__extends(Linda, _super);
Linda = (function(superClass) {
extend(Linda, superClass);

function Linda() {
this.spaces = {};
Expand All @@ -46,11 +48,11 @@
})(this));
setInterval((function(_this) {
return function() {
var name, space, _ref;
var name, ref, space;
debug("TupleSpace\tcheck expire");
_ref = _this.spaces;
for (name in _ref) {
space = _ref[name];
ref = _this.spaces;
for (name in ref) {
space = ref[name];
if (space != null) {
space.check_expire();
}
Expand All @@ -64,119 +66,19 @@
return this.spaces[name] || (this.spaces[name] = new TupleSpace(name));
};

Linda.prototype.listen = function(opts) {
if (opts == null) {
opts = {
io: null,
server: null
};
}
if (opts.io == null) {
throw new Error('"io" must be instance of Socket.IO');
}
if (!(opts.server instanceof http.Server)) {
throw new Error('"server" must be instance of http.Server');
}
this.io = opts.io;
this.server = opts.server;
this.oldListeners = this.server.listeners('request').splice(0);
this.server.removeAllListeners('request');
this.server.on('request', (function(_this) {
return function(req, res) {
var listener, _i, _len, _ref, _results, _url;
_url = url.parse(decodeURI(req.url), true);
if (_url.pathname === "/linda/linda.js") {
debug("GET\t" + _url.pathname);
res.setHeader('Content-Type', 'application/javascript');
res.writeHead(200);
res.end(_this.client_js_code);
return;
}
_ref = _this.oldListeners;
_results = [];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
listener = _ref[_i];
_results.push(listener.call(_this.server, req, res));
}
return _results;
};
})(this));
this.io.sockets.on('connection', (function(_this) {
return function(socket) {
var cids, info, watch_cids, _ref;
cids = {};
info = {
from: socket.handshake.headers['x-forwarded-for'] || ((_ref = socket.handshake.address) != null ? _ref.address : void 0)
};
socket.on('__linda_write', function(data) {
var _ref1;
if ((_ref1 = data.options) != null) {
_ref1.from = info.from;
}
_this.tuplespace(data.tuplespace).write(data.tuple, data.options);
debug("write\t" + (JSON.stringify(data)) + " from " + info.from);
return _this.emit('write', data);
});
socket.on('__linda_take', function(data) {
var cid;
cid = _this.tuplespace(data.tuplespace).option(data.options).take(data.tuple, function(err, tuple) {
cid = null;
return socket.emit("__linda_take_" + data.id, err, tuple);
});
cids[data.id] = cid;
debug("take\t" + (JSON.stringify(data)) + " from " + info.from);
_this.emit('take', data);
return socket.once('disconnect', function() {
if (cid) {
return _this.tuplespace(data.tuplespace).cancel(cid);
}
});
});
socket.on('__linda_read', function(data) {
var cid;
cid = _this.tuplespace(data.tuplespace).option(data.options).read(data.tuple, function(err, tuple) {
cid = null;
return socket.emit("__linda_read_" + data.id, err, tuple);
});
cids[data.id] = cid;
debug("read\t" + (JSON.stringify(data)) + " from " + info.from);
_this.emit('read', data);
return socket.once('disconnect', function() {
if (cid) {
return _this.tuplespace(data.tuplespace).cancel(cid);
}
});
});
watch_cids = {};
socket.on('__linda_watch', function(data) {
var cid;
debug("watch\t" + (JSON.stringify(data)) + " from " + info.from);
_this.emit('watch', data);
if (watch_cids[data.id]) {
return;
}
watch_cids[data.id] = true;
cid = _this.tuplespace(data.tuplespace).watch(data.tuple, function(err, tuple) {
return socket.emit("__linda_watch_" + data.id, err, tuple);
});
cids[data.id] = cid;
return socket.once('disconnect', function() {
if (cid) {
return _this.tuplespace(data.tuplespace).cancel(cid);
}
});
});
return socket.on('__linda_cancel', function(data) {
debug("cancel\t" + (JSON.stringify(data)) + " from " + info.from);
_this.emit('cancel', data);
_this.tuplespace(data.tuplespace).cancel(cids[data.id]);
return watch_cids[data.id] = false;
});
};
})(this));
Linda.prototype.attach = function(io) {
this.io = io;
this.io.attach(this);
return this;
};

Linda.prototype.listen = function() {
if (this.io == null) {
this.attach(new SocketIOModule());
}
return this.io.listen(arguments[0]);
};

return Linda;

})(events.EventEmitter2);
Expand Down
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