365 lines
13 KiB
JavaScript
365 lines
13 KiB
JavaScript
(function() {
|
|
'use strict';
|
|
|
|
var weechat = angular.module('weechat');
|
|
|
|
weechat.factory('connection',
|
|
['$rootScope', '$log', 'handlers', 'models', 'ngWebsockets', function($rootScope,
|
|
$log,
|
|
handlers,
|
|
models,
|
|
ngWebsockets) {
|
|
|
|
var protocol = new weeChat.Protocol();
|
|
|
|
var connectionData = [];
|
|
var reconnectTimer;
|
|
|
|
// Takes care of the connection and websocket hooks
|
|
var connect = function (host, port, passwd, ssl, noCompression, successCallback, failCallback) {
|
|
connectionData = [host, port, passwd, ssl, noCompression];
|
|
var proto = ssl ? 'wss' : 'ws';
|
|
// If host is an IPv6 literal wrap it in brackets
|
|
if (host.indexOf(":") !== -1) {
|
|
host = "[" + host + "]";
|
|
}
|
|
var url = proto + "://" + host + ":" + port + "/weechat";
|
|
$log.debug('Connecting to URL: ', url);
|
|
|
|
var onopen = function () {
|
|
|
|
|
|
// Helper methods for initialization commands
|
|
var _initializeConnection = function(passwd) {
|
|
// This is not the proper way to do this.
|
|
// WeeChat does not send a confirmation for the init.
|
|
// Until it does, We need to "assume" that formatInit
|
|
// will be received before formatInfo
|
|
ngWebsockets.send(
|
|
weeChat.Protocol.formatInit({
|
|
password: passwd,
|
|
compression: noCompression ? 'off' : 'zlib'
|
|
})
|
|
);
|
|
|
|
return ngWebsockets.send(
|
|
weeChat.Protocol.formatInfo({
|
|
name: 'version'
|
|
})
|
|
);
|
|
};
|
|
|
|
var _requestHotlist = function() {
|
|
return ngWebsockets.send(
|
|
weeChat.Protocol.formatHdata({
|
|
path: "hotlist:gui_hotlist(*)",
|
|
keys: []
|
|
})
|
|
);
|
|
};
|
|
|
|
var _requestBufferInfos = function() {
|
|
return ngWebsockets.send(
|
|
weeChat.Protocol.formatHdata({
|
|
path: 'buffer:gui_buffers(*)',
|
|
keys: ['local_variables,notify,number,full_name,short_name,title,hidden']
|
|
})
|
|
);
|
|
};
|
|
|
|
var _requestSync = function() {
|
|
return ngWebsockets.send(
|
|
weeChat.Protocol.formatSync({})
|
|
);
|
|
};
|
|
|
|
|
|
// First command asks for the password and issues
|
|
// a version command. If it fails, it means the we
|
|
// did not provide the proper password.
|
|
_initializeConnection(passwd).then(
|
|
function(version) {
|
|
handlers.handleVersionInfo(version);
|
|
// Connection is successful
|
|
// Send all the other commands required for initialization
|
|
_requestBufferInfos().then(function(bufinfo) {
|
|
handlers.handleBufferInfo(bufinfo);
|
|
});
|
|
|
|
_requestHotlist().then(function(hotlist) {
|
|
handlers.handleHotlistInfo(hotlist);
|
|
|
|
if (successCallback) {
|
|
successCallback();
|
|
}
|
|
});
|
|
|
|
_requestSync();
|
|
$log.info("Connected to relay");
|
|
$rootScope.connected = true;
|
|
},
|
|
function() {
|
|
// Connection got closed, lets check if we ever was connected successfully
|
|
if (!$rootScope.waseverconnected) {
|
|
$rootScope.passwordError = true;
|
|
}
|
|
}
|
|
);
|
|
|
|
};
|
|
|
|
var onmessage = function() {
|
|
// If we recieve a message from WeeChat it means that
|
|
// password was OK. Store that result and check for it
|
|
// in the failure handler.
|
|
$rootScope.waseverconnected = true;
|
|
};
|
|
|
|
|
|
var onclose = function (evt) {
|
|
/*
|
|
* Handles websocket disconnection
|
|
*/
|
|
$log.info("Disconnected from relay");
|
|
if ($rootScope.userdisconnect || !$rootScope.waseverconnected) {
|
|
handleClose(evt);
|
|
$rootScope.userdisconnect = false;
|
|
} else {
|
|
reconnect(evt);
|
|
}
|
|
};
|
|
|
|
var handleClose = function (evt) {
|
|
if (ssl && evt && evt.code === 1006) {
|
|
// A password error doesn't trigger onerror, but certificate issues do. Check time of last error.
|
|
if (typeof $rootScope.lastError !== "undefined" && (Date.now() - $rootScope.lastError) < 1000) {
|
|
// abnormal disconnect by client, most likely ssl error
|
|
$rootScope.sslError = true;
|
|
$rootScope.$apply();
|
|
}
|
|
}
|
|
};
|
|
|
|
var onerror = function (evt) {
|
|
/*
|
|
* Handles cases when connection issues come from
|
|
* the relay.
|
|
*/
|
|
$log.error("Relay error", evt);
|
|
$rootScope.lastError = Date.now();
|
|
|
|
if (evt.type === "error" && this.readyState !== 1) {
|
|
ngWebsockets.failCallbacks('error');
|
|
$rootScope.errorMessage = true;
|
|
}
|
|
};
|
|
|
|
try {
|
|
ngWebsockets.connect(url,
|
|
protocol,
|
|
{
|
|
'binaryType': "arraybuffer",
|
|
'onopen': onopen,
|
|
'onclose': onclose,
|
|
'onmessage': onmessage,
|
|
'onerror': onerror
|
|
});
|
|
} catch(e) {
|
|
$log.debug("Websocket caught DOMException:", e);
|
|
$rootScope.lastError = Date.now();
|
|
$rootScope.errorMessage = true;
|
|
$rootScope.securityError = true;
|
|
$rootScope.$emit('relayDisconnect');
|
|
|
|
if (failCallback) {
|
|
failCallback();
|
|
}
|
|
}
|
|
|
|
};
|
|
|
|
var attemptReconnect = function (bufferId, timeout) {
|
|
$log.info('Attempting to reconnect...');
|
|
var d = connectionData;
|
|
connect(d[0], d[1], d[2], d[3], d[4], function() {
|
|
$rootScope.reconnecting = false;
|
|
// on success, update active buffer
|
|
models.setActiveBuffer(bufferId);
|
|
$log.info('Sucessfully reconnected to relay');
|
|
}, function() {
|
|
// on failure, schedule another attempt
|
|
if (timeout >= 600000) {
|
|
// If timeout is ten minutes or more, give up
|
|
$log.info('Failed to reconnect, giving up');
|
|
handleClose();
|
|
} else {
|
|
$log.info('Failed to reconnect, scheduling next attempt in', timeout/1000, 'seconds');
|
|
// Clear previous timer, if exists
|
|
if (reconnectTimer !== undefined) {
|
|
clearTimeout(reconnectTimer);
|
|
}
|
|
reconnectTimer = setTimeout(function() {
|
|
// exponential timeout increase
|
|
attemptReconnect(bufferId, timeout * 1.5);
|
|
}, timeout);
|
|
}
|
|
});
|
|
};
|
|
|
|
|
|
var reconnect = function (evt) {
|
|
if (connectionData.length < 5) {
|
|
// something is wrong
|
|
$log.error('Cannot reconnect, connection information is missing');
|
|
return;
|
|
}
|
|
|
|
// reinitialise everything, clear all buffers
|
|
// TODO: this can be further extended in the future by looking
|
|
// at the last line in ever buffer and request more buffers from
|
|
// WeeChat based on that
|
|
models.reinitialize();
|
|
$rootScope.reconnecting = true;
|
|
// Have to do this to get the reconnect banner to show
|
|
$rootScope.$apply();
|
|
|
|
var bufferId = models.getActiveBuffer().id,
|
|
timeout = 3000; // start with a three-second timeout
|
|
|
|
reconnectTimer = setTimeout(function() {
|
|
attemptReconnect(bufferId, timeout);
|
|
}, timeout);
|
|
};
|
|
|
|
var disconnect = function() {
|
|
$log.info('Disconnecting from relay');
|
|
$rootScope.userdisconnect = true;
|
|
ngWebsockets.send(weeChat.Protocol.formatQuit());
|
|
// In case the backend doesn't repond we will close from our end
|
|
var closeTimer = setTimeout(function() {
|
|
ngWebsockets.disconnect();
|
|
// We pretend we are not connected anymore
|
|
// The connection can time out on its own
|
|
ngWebsockets.failCallbacks('disconnection');
|
|
$rootScope.connected = false;
|
|
$rootScope.$emit('relayDisconnect');
|
|
$rootScope.$apply();
|
|
});
|
|
};
|
|
|
|
/*
|
|
* Format and send a weechat message
|
|
*
|
|
* @returns the angular promise
|
|
*/
|
|
var sendMessage = function(message) {
|
|
ngWebsockets.send(weeChat.Protocol.formatInput({
|
|
buffer: models.getActiveBufferReference(),
|
|
data: message
|
|
}));
|
|
};
|
|
|
|
var sendCoreCommand = function(command) {
|
|
ngWebsockets.send(weeChat.Protocol.formatInput({
|
|
buffer: 'core.weechat',
|
|
data: command
|
|
}));
|
|
};
|
|
|
|
var sendHotlistClear = function() {
|
|
if (models.version[0] >= 1) {
|
|
// WeeChat >= 1 supports clearing hotlist with this command
|
|
sendMessage('/buffer set hotlist -1');
|
|
// Also move read marker
|
|
sendMessage('/input set_unread_current_buffer');
|
|
} else {
|
|
// If user wants to sync hotlist with weechat
|
|
// we will send a /buffer bufferName command every time
|
|
// the user switches a buffer. This will ensure that notifications
|
|
// are cleared in the buffer the user switches to
|
|
sendCoreCommand('/buffer ' + models.getActiveBuffer().fullName);
|
|
}
|
|
};
|
|
|
|
var requestNicklist = function(bufferId, callback) {
|
|
bufferId = bufferId || null;
|
|
ngWebsockets.send(
|
|
weeChat.Protocol.formatNicklist({
|
|
buffer: bufferId
|
|
})
|
|
).then(function(nicklist) {
|
|
handlers.handleNicklist(nicklist);
|
|
if (callback !== undefined) {
|
|
callback();
|
|
}
|
|
});
|
|
};
|
|
|
|
|
|
var fetchMoreLines = function(numLines) {
|
|
$log.debug('Fetching ', numLines, ' lines');
|
|
var buffer = models.getActiveBuffer();
|
|
if (numLines === undefined) {
|
|
// Math.max(undefined, *) = NaN -> need a number here
|
|
numLines = 0;
|
|
}
|
|
// Calculate number of lines to fetch, at least as many as the parameter
|
|
numLines = Math.max(numLines, buffer.requestedLines * 2);
|
|
|
|
// Indicator that we are loading lines, hides "load more lines" link
|
|
$rootScope.loadingLines = true;
|
|
// Send hdata request to fetch lines for this particular buffer
|
|
return ngWebsockets.send(
|
|
weeChat.Protocol.formatHdata({
|
|
// "0x" is important, otherwise it won't work
|
|
path: "buffer:0x" + buffer.id + "/own_lines/last_line(-" + numLines + ")/data",
|
|
keys: []
|
|
})
|
|
).then(function(lineinfo) {
|
|
//XXX move to handlers?
|
|
// delete old lines and add new ones
|
|
var oldLength = buffer.lines.length;
|
|
// whether we already had all unread lines
|
|
var hadAllUnreadLines = buffer.lastSeen >= 0;
|
|
|
|
// clear the old lines
|
|
buffer.lines.length = 0;
|
|
// We need to set the number of requested lines to 0 here, because parsing a line
|
|
// increments it. This is needed to also count newly arriving lines while we're
|
|
// already connected.
|
|
buffer.requestedLines = 0;
|
|
// Count number of lines recieved
|
|
var linesReceivedCount = lineinfo.objects[0].content.length;
|
|
|
|
// Parse the lines
|
|
handlers.handleLineInfo(lineinfo, true);
|
|
|
|
// Correct the read marker for the lines that were counted twice
|
|
buffer.lastSeen -= oldLength;
|
|
|
|
// We requested more lines than we got, no more lines.
|
|
if (linesReceivedCount < numLines) {
|
|
buffer.allLinesFetched = true;
|
|
}
|
|
$rootScope.loadingLines = false;
|
|
|
|
// Only scroll to read marker if we didn't have all unread lines previously, but have them now
|
|
var scrollToReadmarker = !hadAllUnreadLines && buffer.lastSeen >= 0;
|
|
// Scroll to correct position
|
|
$rootScope.scrollWithBuffer(scrollToReadmarker, true);
|
|
});
|
|
};
|
|
|
|
|
|
return {
|
|
connect: connect,
|
|
disconnect: disconnect,
|
|
sendMessage: sendMessage,
|
|
sendCoreCommand: sendCoreCommand,
|
|
sendHotlistClear: sendHotlistClear,
|
|
fetchMoreLines: fetchMoreLines,
|
|
requestNicklist: requestNicklist,
|
|
attemptReconnect: attemptReconnect
|
|
};
|
|
}]);
|
|
})();
|