206 lines
8.2 KiB
C++
206 lines
8.2 KiB
C++
#include "datamanager.h"
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DataManager *DataManager::p_this;
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DataManager::DataManager(QObject *parent)
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: QObject{parent}
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{
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p_this = this;
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database = DataBase::getInstance();
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protocol = Protocol::getInstance();
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linedb = Line::getInstance();
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server = TCPServer::getInstance();
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server->setTimeOut(500);
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server->configAndrun();
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server->setCallBack(disconnect_from_cln);
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server->setCallBack(recv_from_cln);
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}
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void DataManager::disconnect_from_cln(QTcpSocket *sock)
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{
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qDebug() << "删除之前的数据" <<p_this->online_name_list;
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for (int i = 0; i < p_this->online_socket_list.length(); i++)
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{
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if (p_this->online_socket_list.at(i) == sock)
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{
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p_this->online_name_list.removeAt(i);
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p_this->online_socket_list.removeAt(i);
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break;
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}
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}
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qDebug() << "删除之后的数据" << p_this->online_name_list;
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p_this->update_namelist(sock);
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}
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void DataManager::recv_from_cln(QByteArray &data, QTcpSocket *sock)
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{
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QByteArray data_decrypt = p_this->protocol->data_decrypt(data);
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qDebug() << data_decrypt;
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QList<QByteArray> list = data_decrypt.split('\n');
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qDebug() << list;
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for (int i = 0; i < list.count(); i++)
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{
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QJsonDocument json_data = QJsonDocument::fromJson(list[i]);
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if (json_data["type"] == "message")
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{
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}
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else if (json_data["type"] == "code")
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{
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if (json_data["action"] == "pick") //取车消息
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{
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QString name = json_data["user"].toString();
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QString code = json_data["data"].toString();
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QString number = p_this->database->matchCode(name,code);
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QString find_code = p_this->linedb->findCode(number);
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p_this->linedb->resetState(number);
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QByteArray data_build, data_encrypt;
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data_build = p_this->protocol->data_maker(Protocol::CODE, QString("pick"), QString("server"),find_code);
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qDebug() << data_build;
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data_encrypt = p_this->protocol->data_encrypt(data_build);
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p_this->server->sendToclient(sock, data_encrypt);
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}
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else if (json_data["action"] == "park") //存车消息
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{
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QString name = json_data["user"].toString();
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QString number = p_this->linedb->choose(); //获取一个可用的车位编号
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//随机生成取车码
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QString code = p_this->getRandomString(8);
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//更新取车码
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p_this->database->insertCode(name,code,number);
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p_this->linedb->setState(number);
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QByteArray data_build, data_encrypt;
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data_build = p_this->protocol->data_maker(Protocol::CODE, QString("park"), QString("server"),code);
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qDebug() << data_build;
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data_encrypt = p_this->protocol->data_encrypt(data_build);
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p_this->server->sendToclient(sock, data_encrypt);
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}
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}
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else if (json_data["type"] == "request")
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{
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if (json_data["action"] == "register")
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{
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qDebug() << "收到注册类型的信息，将进行处理";
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QString username, password;
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QJsonObject json = json_data["content"].toObject();
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username = json["user"].toString();
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password = json["password"].toString();
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bool result = p_this->database->insertUsr(username, password);
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qDebug() << result;
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if (result == true)
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{
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QByteArray data_build, data_encrypt;
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data_build = p_this->protocol->data_maker(Protocol::RESPONSE, QString("register"), QList<QString>{"result", "true"});
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qDebug() << data_build;
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data_encrypt = p_this->protocol->data_encrypt(data_build);
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p_this->server->sendToclient(sock, data_encrypt);
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}
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else
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{
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QByteArray data_build, data_encrypt;
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data_build = p_this->protocol->data_maker(Protocol::RESPONSE, QString("register"), QList<QString>{"result", "false"});
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qDebug() << data_build;
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data_encrypt = p_this->protocol->data_encrypt(data_build);
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p_this->server->sendToclient(sock, data_encrypt);
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}
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}
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else if (json_data["action"] == "signin")
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{
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qDebug() << "收到登录类型的信息，将进行处理";
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QString username, password;
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QJsonObject json = json_data["content"].toObject();
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username = json["user"].toString();
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password = json["password"].toString();
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qDebug() << username <<password;
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bool result = p_this->database->match(username, password);
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qDebug() << result;
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if (result == true)
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{
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p_this->online_socket_list.append(sock);
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p_this->online_name_list.append(username);
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QByteArray data_build, data_encrypt;
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data_build = p_this->protocol->data_maker(Protocol::RESPONSE, QString("signin"), QList<QString>{"result", "true"});
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qDebug() << data_build;
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data_encrypt = p_this->protocol->data_encrypt(data_build);
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p_this->server->sendToclient(sock, data_encrypt);
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p_this->update_namelist(sock);
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}
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else
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{
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QByteArray data_build, data_encrypt;
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data_build = p_this->protocol->data_maker(Protocol::RESPONSE, QString("signin"), QList<QString>{"result", "false"});
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qDebug() << data_build;
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data_encrypt = p_this->protocol->data_encrypt(data_build);
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p_this->server->sendToclient(sock, data_encrypt);
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}
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}
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else if (json_data["action"] == "cancellation")
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{
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qDebug() << "收到注销类型的数据，将进行处理";
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QJsonObject json = json_data["content"].toObject();
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QString username = json["name"].toString();
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qDebug() << username;
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if (!p_this->database->Delete(username))
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{
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qDebug() << "用户注销失败";
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return;
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}
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}
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else if (json_data["action"] == "update_namelist")
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{
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qDebug() << "接收到更新用户列表的请求";
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QJsonObject json = json_data["content"].toObject();
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QString username = json["name"].toString();
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for (int i = 0; i < p_this->online_name_list.length(); i++)
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{
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if (p_this->online_name_list.at(i) == username)
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{
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p_this->online_name_list.removeAt(i);
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p_this->online_socket_list.removeAt(i);
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break;
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}
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}
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p_this->update_namelist(sock);
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}
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else
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{
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qDebug() << "服务端收到未知类型的数据" << list[i];
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return;
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}
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}
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}
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}
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void DataManager::update_namelist(QTcpSocket *sock)
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{
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qDebug() << "发送更新用户在线列表信息";
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QByteArray data_build, data_encrypt;
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data_build = protocol->data_maker(Protocol::ONLINEUSERS, 4, online_name_list);
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qDebug() << online_name_list;
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data_encrypt = protocol->data_encrypt(data_build);
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for (auto &one_socket : online_socket_list)
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{
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server->sendToclient(one_socket, data_encrypt);
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}
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}
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QString DataManager::getRandomString(int nLen)
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{
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srand(QDateTime::currentMSecsSinceEpoch());
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const char ch[] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
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int size = sizeof(ch);
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char* str = new char[nLen + 1];
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int num = 0;
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for (int nIndex = 0; nIndex < nLen; ++nIndex)
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{
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num = rand() % (size - 1);
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str[nIndex] = ch[num];
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}
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str[nLen] = '\0';
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QString res(str);
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return res;
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}
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