pomelo消息推送

每个channel与server一一对应，如果要跨server，则需要引入pomelo-globalchannel-plugin和pomelo-status-plugin两个插件，以下remote代码是原生态channel，rpc调用时只能在指定的一个server上操作，否则会出现取不到用户的情况

/** * 消息推送 * Created by lmiky on 14-4-16. */var RemoteMsgPush = require('../../../domain/remoteMsgPush');var RemoteMsgPushUser = require('../../../domain/remoteMsgPushUser');var remoteMsgPushService = require('../../../services/remoteMsgPushService');var remoteMsgPushUserService = require('../../../services/remoteMsgPushUserService');var dateUtils = require('../../../util/dateUtils');var logUtils = require('../../../util/logUtils');var utils = require('../../../util/utils');var SystemConfig = require('../../../../config/systemConfig');var Code = require('../../../../config/code');var log = logUtils.getLogger(__filename);var self = null;module.exports = function(app) {  return new Handler(app);};var Handler = function(app) {this.app = app;this.channelService = this.app.get('channelService');this.globalChannelService = this.app.get('globalChannelService');self = this;};/** * 添加用户 * @param uid * @param cb */Handler.prototype.add = function(connectorServiceId, uid, cb) {try {//加入到globalchannel/*this.globalChannelService.add(SystemConfig.MSG_PUSH.GLOBAL_CHANNEL_NAME, uid, connectorServiceId, function(err) {if(err) {utils.invokeCallback(cb, err);} else {//因为globalchannel无法对单个推送信息，只能向全部用户推送，所以必须再用到原生的channelvar channel = self.channelService.getChannel(SystemConfig.MSG_PUSH.GLOBAL_CHANNEL_NAME, true);channel.add(uid, connectorServiceId);utils.invokeCallback(cb, null);}});*/var channel = self.channelService.getChannel(SystemConfig.MSG_PUSH.GLOBAL_CHANNEL_NAME, true);channel.add(uid, connectorServiceId);utils.invokeCallback(cb, null);}catch(e) {log.error('scheduler.messageRemote.add exception ' + e.stack);utils.invokeCallback(cb, e);}}/** * 添加推送消息 * @param opts 参数 * @param cb */Handler.prototype.addMessage = function(opts, cb) {try {//检查参数if(!opts || !opts.msg || !opts.msg.content) {utils.invokeCallback(cb, new Error('参数错误'), 0);return;}//消息内容var content = opts.msg.content; //内容var title = opts.msg.title; //标题if(!title) {title = content;opts.msg.title = title;}var pushTime = new Date();opts.msg.pushTime = pushTime;//推送时间var expiredTime = opts.msg.expiredTime; //过期时间，为空表示永不过期if(!!expiredTime) {//重新转换，防止出现不同系统时间时区不一致，比如web-api系统的时区跟game-server的时区就差了8个小时expiredTime = dateUtils.parseTimeByDefault(dateUtils.formatTimeByDefault(expiredTime));opts.msg.expiredTime = expiredTime;}var pushType = SystemConfig.MSG_PUSH.PUSH_TYPE_TERM;    //推送类别var offline = opts.msg.offline; //是否离线if(!offline || (offline != SystemConfig.MSG_PUSH.OFFLINE_YES && offline != SystemConfig.MSG_PUSH.OFFLINE_NO)) {offline = SystemConfig.MSG_PUSH.OFFLINE_YES;    //默认离线}var receiver = opts.receiver;   //接受者，如果为空表示向所有人推送        if(!!receiver) {    //多个接收者之间以“,”分隔            receiver = receiver.split(',');        }var remoteMsgPush = new RemoteMsgPush({title: title, content: content, pushTime: pushTime, expiredTime: expiredTime, pushType: pushType, offline: offline, receiver: opts.receiver});//添加消息remoteMsgPushService.add(remoteMsgPush, function(err, remoteMsgPush) {if(err) {utils.invokeCallback(cb, err, 0);return;}//推送消息self.pushMessage(opts.msg, receiver, remoteMsgPush.id, function(err, pushUserLength){if(err) {utils.invokeCallback(cb, err, 0);} else {utils.invokeCallback(cb, null, pushUserLength);}});});}catch(e) {log.error('connector.connectorRemote.addMessage exception ' + e.stack);utils.invokeCallback(cb, e, 0);}}/** * 向用户推送消息 * @param msg * @param uids 用户id数组，如果为空表示向全部用户推送 * @param cb */Handler.prototype.pushMessage = function(msg, uids, pushId, cb) {try {//检查参数if(!msg || !msg.title || !msg.content || !msg.pushTime) {utils.invokeCallback(cb, new Error('参数错误'), 0);return;}//消息内容var title = msg.title; //标题var content = msg.content; //内容var pushTime = dateUtils.formatTimeByDefault(msg.pushTime);//推送时间var remoteMsgPush = {title: title, content: content, pushTime: pushTime};var frontendServerType = SystemConfig.MSG_PUSH.FRONTEND_SERVER_TYPE;//向指定用户推送if(!!uids && uids.length > 0) {var channel = self.channelService.getChannel(SystemConfig.MSG_PUSH.GLOBAL_CHANNEL_NAME, false);if(!!channel) {var targetUids = [];                var index = 0;for(var i=0; i<uids.length; i++) {//判断推送的用户是否在线                    var member = channel.getMember(uids[i]);                    if(!!member) {    targetUids[index] = {uid: uids[i], sid: member['sid']};                        index++;                     }}if(targetUids.length == 0) {    //当前无在线用户utils.invokeCallback(cb, null, 0);return;}//推送self.channelService.pushMessageByUids('onMsg', remoteMsgPush, targetUids, function(err) {                    if(err) {                        log.error('scheduler.messageRemote.pushMessage pushMessageByUids exception ' + err.stack);                        utils.invokeCallback(cb, err, 0);                        return;                    }var now = new Date();for(var i=0; i<targetUids.length; i++) {try {//保存已发送信息var pushUser = new RemoteMsgPushUser({uid: targetUids[i].uid, pushId: pushId, receiveTime: now});remoteMsgPushUserService.add(pushUser, function(err, remoteMsgPushUser) {if(err) {log.error('scheduler.messageRemote.pushMessage add pushUser[' + pushUser.uid + '-' + pushId  + '] exception: ' + err.stack);}});} catch(addPushUserErr) {log.error('scheduler.messageRemote.pushMessage add pushUser[' + targetUids[i].uid + '-' + pushId + '] exception: ' + addPushUserErr.stack);}}                    utils.invokeCallback(cb, err, targetUids.length);});} else {//当前无在线用户utils.invokeCallback(cb, null, 0);return;}} else {    //向全部用户推送//获取用户列表/*self.globalChannelService.getMembersByChannelName(frontendServerType, SystemConfig.MSG_PUSH.GLOBAL_CHANNEL_NAME, function(err, users) {if(err) {log.error('scheduler.messageRemote.pushMessage getMembersByChannelName exception ' + err.stack);utils.invokeCallback(cb, err, 0);return;}if(users.length == 0) {utils.invokeCallback(cb, null, 0);return;}//推送消息self.globalChannelService.pushMessage(frontendServerType,  'onMsg', remoteMsgPush, SystemConfig.MSG_PUSH.GLOBAL_CHANNEL_NAME, null, function(error) {if(error) {log.error('scheduler.messageRemote.pushMessage pushMessage exception ' + error.stack);utils.invokeCallback(cb, error, 0);return;} else {var now = new Date();for(var i=0; i<users.length; i++) {try {//保存已发送信息var pushUser = new RemoteMsgPushUser({uid: users[i], pushId: pushId, receiveTime: now});remoteMsgPushUserService.add(pushUser, function(err, remoteMsgPushUser) {if(err) {log.error('scheduler.messageRemote.pushMessage add pushUser[' + pushUser.uid + '-' + pushId  + '] exception: ' + err.stack);}});} catch(addPushUserErr) {log.error('scheduler.messageRemote.pushMessage add pushUser[' + users[i] + '-' + pushId + '] exception: ' + addPushUserErr.stack);}}utils.invokeCallback(cb, null, users.length);}});});*/var channel = self.channelService.getChannel(SystemConfig.MSG_PUSH.GLOBAL_CHANNEL_NAME, false);if(!channel) {utils.invokeCallback(cb, null, 0);return;}var users = channel.getMembers();if(users.length == 0) {utils.invokeCallback(cb, null, 0);return;}channel.pushMessage('onMsg', remoteMsgPush, null, function(err) {if(err) {log.error('scheduler.messageRemote.pushMessage pushMessage exception ' + err.stack);utils.invokeCallback(cb, err, 0);return;} else {var now = new Date();for(var i=0; i<users.length; i++) {try {//保存已发送信息var pushUser = new RemoteMsgPushUser({uid: users[i], pushId: pushId,  receiveTime: now});remoteMsgPushUserService.add(pushUser, function(err, remoteMsgPushUser) {if(err) {log.error('scheduler.messageRemote.pushMessage add pushUser[' + pushUser.uid + '-' + pushId  + '] exception: ' + err.stack);}});} catch(addPushUserErr) {log.error('scheduler.messageRemote.pushMessage add pushUser[' + users[i] + '-' + pushId + '] exception: ' + addPushUserErr.stack);}}utils.invokeCallback(cb, null, users.length);}});}}catch(e) {log.error('connector.connectorRemote.pushMessage exception ' + e.stack);utils.invokeCallback(cb, e, 0);}}/** * 退出渠道 * @param uid * @param sid * @param cb */Handler.prototype.leave = function(uid, sid, cb) {//globalChannel/*self.globalChannelService.leave(SystemConfig.MSG_PUSH.GLOBAL_CHANNEL_NAME, uid, sid, function(err) {if(err) {log.error('删除globalChannel里的用户[%s]失败: %j', uid, err.stack);} else {log.info('删除globalChannel里的用户[%s]成功', uid);}//原生态channelvar channel = self.channelService.getChannel(SystemConfig.MSG_PUSH.GLOBAL_CHANNEL_NAME, false);if( !! channel) {channel.leave(uid, sid);}utils.invokeCallback(cb, err);});*/var channel = self.channelService.getChannel(SystemConfig.MSG_PUSH.GLOBAL_CHANNEL_NAME, false);if( !! channel) {channel.leave(uid, sid);}utils.invokeCallback(cb, null);};