add http and websocket

network/netclient.cpp

@@ -0,0 +1,121 @@
+#include "netclient.h"
+#include "../model/datacenter.h"
+using namespace model;
+
+namespace network {
+	NetClient::NetClient(model::DataCenter* dataCenter)
+		:dataCenter(dataCenter)
+	{
+		initWebSocket();
+	}
+
+	void NetClient::ping()
+	{
+		QNetworkRequest httpReq;
+		httpReq.setUrl(QUrl(HTTP_URL + "/ping"));
+
+		QNetworkReply* httpResp = httpClient.get(httpReq);
+		connect(httpResp, &QNetworkReply::finished, this, [=]() {
+			//到这里面，说明响应已经回了
+			if (httpResp->error() != QNetworkReply::NoError) {
+				//请求失败
+				LOG() << "HTTP请求失败！！！" << httpResp->errorString();
+				httpResp->deleteLater();
+				return;
+			}
+			//获取到响应的body
+			QByteArray body = httpResp->readAll();
+			LOG() << "响应的内容: " << body;
+			httpResp->deleteLater();
+			});
+	}
+
+	void NetClient::initWebSocket()
+	{
+		//准备好所需要的信号槽
+		connect(&websocketClient, &QWebSocket::connected, this, [=]() {
+			LOG() << "webSocket 连接成功";
+			//连接成功之后,进行发送身份认证
+			sendAuth();
+			});
+
+		connect(&websocketClient, &QWebSocket::disconnected, this, [=]() {
+			LOG() << "webSocket 连接断开";
+			});
+
+		connect(&websocketClient, &QWebSocket::textMessageReceived, this, [=](const QString& message) {
+			LOG() << "webSocket 收到文本消息 " << message;
+			});
+		
+		connect(&websocketClient, &QWebSocket::binaryMessageReceived, this, [=](const QByteArray& byteArray) {
+			LOG() << "webSocket 收到二进制的消息" << byteArray.length();
+			//TODO
+			});
+
+		//和服务器真正建立连接
+		websocketClient.open(WEBSOCKET_URL);
+	}
+
+	void NetClient::sendAuth()
+	{
+		bite_im::ClientAuthenticationReq req;
+		req.setRequestId(makeRequestId());
+		req.setSessionId(dataCenter->getLoginSessionId());
+		QByteArray body = req.serialize(&serializer);
+		websocketClient.sendBinaryMessage(body);
+		LOG() << "[WS身份认证] requestId= " << req.requestId() << ",loginSessionId= " << req.sessionId();
+
+	}
+
+	QString NetClient::makeRequestId()
+	{
+		//基本的要求，确保每个请求的Id都是不重复的（唯一的）
+		//通过UUID实现上述的效果
+		return "R" + QUuid::createUuid().toString().sliced(25, 12);
+	}
+
+	//在这个函数内部，完成具体的网络通信即可
+	void NetClient::getMyself(const QString& loginSessionId)
+	{
+		//构造出HTTP请求body部分
+		bite_im::GetUserInfoReq req;
+		req.setRequestId(makeRequestId());
+		req.setSessionId(loginSessionId);
+		QByteArray body = req.serialize(&serializer);
+		LOG() << "获取个人信息： requestId=" << req.requestId() << ", loginSessionId=" << loginSessionId;
+
+		//构造出HTTP请求
+		QNetworkRequest httpReq;
+		httpReq.setUrl(QUrl(HTTP_URL + "/service/user/get_user_info"));
+		httpReq.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-protobuf");
+
+		//发起HTTP请求
+		QNetworkReply* httpResp = httpClient.post(httpReq, body);
+
+		//通过信号槽，获取到当前的响应
+		connect(httpResp, &QNetworkReply::finished, this, [=]() {
+			if (httpResp->error() != QNetworkReply::NoError) {
+				//说明HTTP请求出错了，
+				LOG() << "HTTP error: " << httpResp->errorString();
+				httpResp->deleteLater();
+				return;
+			}
+			//说明拿到了body
+			QByteArray respBody = httpResp->readAll();
+
+			//针对body进行反序列化,解析成对象
+			bite_im::GetUserInfoRsp respObj;
+			respObj.deserialize(&serializer, respBody);
+
+			//判定一下业务上是否出错
+			if (!respObj.success()) {
+				LOG() << "requestId= " << respObj.requestId() << ", errmsg=" << respObj.errmsg();
+				httpResp->deleteLater();
+				return;
+			}
+
+			//继续处理后续的业务逻辑
+
+			});
+	}
+} //end namespace network

network/netclient.h

@@ -0,0 +1,59 @@
+#pragma once
+
+#include <QObject>
+#include <QNetworkAccessManager>
+#include <QWebSocket>
+#include <QProtobufSerializer>
+#include <qnetworkreply.h>
+#include <QUuid>
+
+#include "../model/data.h"
+
+//此处为了避免“循环包含”的问题，就需要使用前置声明的方法
+// 代替包含头文件
+namespace model {
+	class DataCenter;
+} //end namespace model
+
+class model::DataCenter;
+
+namespace network {
+	class NetClient : public QObject
+	{
+		Q_OBJECT
+
+	private:
+		//定义重要的常量，ip暂时使用本地的回环ip，端口号暂定的8000和8001
+		const QString HTTP_URL = "http://127.0.0.1:8000";
+		const QString WEBSOCKET_URL = "ws://127.0.0.1:8001/ws";
+
+	public:
+		NetClient(model::DataCenter* dataCenter);
+
+		//验证网络的联通性
+		void ping();
+
+		//初始化websocket
+		void initWebSocket();
+
+		//发送身份认证请求
+		void sendAuth();
+
+		//生成请求的Id
+		static QString makeRequestId();
+
+		void getMyself(const QString& loginSessionId);
+	private:
+		model::DataCenter* dataCenter;
+
+		//http客户端
+		QNetworkAccessManager httpClient;
+
+		//websocket客户端
+		QWebSocket websocketClient;
+
+		//序列化器
+		QProtobufSerializer serializer;
+	signals:
+	};
+} //end namespace network