i8xscore/lib/async-req.js

i8xiaoshi base socket communication,last update at 151021

var socketClient=require('./base-socket.js');
var ucache=require('./cache');
var _=require('underscore');
var serviceConfig=global.serverConfig;
var log4js=require('./log');
var mainHostIp = serviceConfig.remoteIp;
var mainHostPort = serviceConfig.serPorts['CPEC.Center.Service'];
var freeWFHostPort=serviceConfig.appService.freeTMP;
var financeHostPort=serviceConfig.appService.finance;
var webIMHostPort=serviceConfig.appService.webIM;
var matterMachinPort=serviceConfig.appService.MatterMachin;

var _baseThen=function(cont,arg){
    var sType=arg.serverType;
    var command=arg.command||'';
    var data=arg.data||{};
    var nodeKey=arg.nodeKey;//||"default"
    command=command+JSON.stringify(data);
    var requestHost=function(srvData){
        var rqeSrv=srvData[sType];
        if(rqeSrv) {
            var config = {
                port: rqeSrv.split(':')[1] || '127.0.0.1',
                host: rqeSrv.split(':')[0] || '0',
                command: command
            };
            var cnt = new socketClient.getRemoteData(config);
            cnt.connecting();
            cnt.on("receiveData", function (data) {
                cont(null, data);
                if (!data.Result) {
                    log4js.logger.warn('[result.False] 返回结果值失败！[请求接口:host(' + config.host + ':' + config.port + '),cmd(' + config.command + ')]；response:'+JSON.stringify(data));
                }
            });
            cnt.on("receiveEnd", function (data) {
                //console.log('logo!');
            });
            cnt.on("error", function (err) {
                cont(null, data);
                log4js.logger.error('[remote.Request.Error]远程请求出错！错误err:'+err + '[请求接口:host(' + config.host + ':' + config.port + '),cmd(' + config.command + ')]');
                //console.log(data);
            });
        }else{
            log4js.logger.error('[remote.Address.None]未找到服务地址，[请求接口:cmd(' + command + ')]');
            cont(null,{Result:false,Code:53,Description:"未找到服务地址",ReturnObject:{Description:"未找到服务地址"}});
        }
    }
    //若缓存不存在，则刷新或更新缓存//subdomain+".serverInfo"
    if(sType=="CenterAddress") {
        requestHost({"CenterAddress": mainHostIp + ":" + mainHostPort});
    }else if(sType=="FinanceAddress"){
        requestHost({"FinanceAddress": financeHostPort});
    }else if(sType=="MatterMachin"){
        requestHost({"MatterMachin": matterMachinPort});
    }else if(nodeKey=="freeTMP"){
        requestHost({"WorkflowAddress":freeWFHostPort});
    }else if(sType=="WebIMAddress"){
        requestHost({"WebIMAddress":webIMHostPort});
    }else {
        if(nodeKey.length==0||nodeKey==undefined||nodeKey=='underfined'||nodeKey.length>15){
            log4js.logger.error('[nodekey.Error]nodeKey有误，请排查！[command:' + command + ';data:' + JSON.stringify(data) + ';nodeKey:' + nodeKey + ')]');
            cont(null,{Code: 8892, ReturnObject: null, Description: 'nodeKey有误，请排查!'});
        }else {
            ucache.hGetCache("node", nodeKey, function (resp) {
                if (resp.result && !_.isEmpty(resp.data)) {
                    requestHost(resp.data);
                } else {
                    var mainReq = new socketClient.getRemoteData({port: mainHostPort, host: mainHostIp, command: 'CPEC.Center.Service.Common.NodeService.GetAllNode{}'});
                    mainReq.connecting();
                    mainReq.on("receiveData", function (data) {
                        if (data.Result) {
                            var cData = data.ReturnObject[0];
                            var newCPMInfo = _.isObject(cData) ? cData : JSON.parse(cData);
                            if (newCPMInfo) {
                                if (!_.isEmpty(newCPMInfo)) {
                                    log4js.logger.debug('[set.node.firstly]写入日志！参数[arg(' + JSON.stringify(arg) + ')]');
                                    ucache.hsetCache("node", arg.nodeKey, newCPMInfo);//添加或更新缓存,以二级域名作为KEY，帐套服务地址作为VALUE，缓存起来
                                }
                                requestHost(newCPMInfo);
                            }
                        } else {
                            log4js.logger.warn('[get.Nodes.Failed]帐套数据不存在！[host(' + mainHostIp + ':' + mainHostPort + '),cmd(CPEC.Center.Service.Common.NodeService.GetAllNode{})]' + data.Description);
                        }
                    });
                    mainReq.on("error", function (err) {
                        log4js.logger.error(err);
                    })
                }
            })
        }
    }
}
exports.getWorkflowServiceByThen=function(cont,setting){
    setting.serverType="WorkflowAddress";
    return _baseThen(cont,setting);
};
exports.getPlatformServiceByThen=function(cont,setting){
    setting.serverType="PlatformAddress";
    return _baseThen(cont,setting);
};
exports.getCenterServiceByThen=function(cont,setting){
    setting.serverType="CenterAddress";
    return _baseThen(cont,setting);
};
exports.getAppsServiceByThen=function(cont,setting){
    setting.serverType="AppsAddress";
    return _baseThen(cont,setting);
};
exports.getStoreServiceByThen=function(cont,setting){
    setting.serverType="PlatformAddress";//storeService已与platform合并了
    return _baseThen(cont,setting);
};
exports.getSearchServiceByThen=function(cont,setting){
    setting.serverType="SearchAddress";
    return _baseThen(cont,setting);
};
exports.getFinanceServiceByThen=function(cont,setting){
    setting.serverType="FinanceAddress";
    return _baseThen(cont,setting);
};
exports.getWebIMServiceByThen=function(cont,setting){
    setting.serverType="WebIMAddress";
    return _baseThen(cont,setting);
};
exports.getMachineServiceByThen=function(cont,setting){
    setting.serverType="MatterMachin";
    return _baseThen(cont,setting);
};