C++课程设计：基于Ubuntu16.04的QT界面局域网聊天系统.zip

#include "server.h" #include "logger/logger.h" #define TAG "Server" Server::Server(bool isstop, ClientNode *head, OnlineUser *uhead): mIsStop(isstop), mHead(head), mUhead(uhead) { } Server::~Server() { } //connect bool Server::Connected() { void *exit_p; bool result = Init(); if(result) { if(0 != pthread_create(&mPthread, NULL, SelectThread, this)) { LOG(TAG, "create thread error ..."); return false; } if(0 != pthread_join(mPthread, &exit_p)) { LOG(TAG, "join thread error ..."); return false; } } return true; } void Server::DisConnected() { } //socket->bind->listen bool Server::Init() { int result = 0; signal(SIGPIPE, RecvSignal); LOG(TAG, "socket ..."); mSocketfd = socket(AF_INET, SOCK_STREAM, 0); if(mSocketfd < 0) { LOG(TAG, "socket error ..."); return false; } mSaddr.sin_family = AF_INET; mSaddr.sin_port = htons(mConfig.port.toUShort()); mSaddr.sin_addr.s_addr = INADDR_ANY; socklen_t on = 1; result = setsockopt(mSocketfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)); if(result < 0) { LOG(TAG, "setsockopt error ..."); return false; } LOG(TAG, "bind ..."); result = bind(mSocketfd, (sockaddr *)&mSaddr, (socklen_t)sizeof(mSaddr)); if(result < 0) { LOG(TAG, "bind error ..."); return false; } LOG(TAG, "listen ..."); result = listen(mSocketfd, 20); if(result < 0) { LOG(TAG, "listen error ..."); return false; } return true; } void Server::DeInit() { mIsStop = true; } //send regist/login status is successed or failed bool Server::WriteToClient(int flag) { int result = 0; result = write(mTempfd, &flag, sizeof(int)); if(result < 0) { LOG(TAG, "write error ..."); return false; } LOG(TAG, "regist/login successed ..."); return true; } //send userinfo to user who is login successed bool Server::WriteToClient(const UserInfo &userinfo) { int result = 0; result = write(mTempfd, &userinfo, sizeof(UserInfo)); if(result < 0) { LOG(TAG, "write login info error ..."); return false; } LOG(TAG, "write userinfo success ..."); return true; } //send online list to client bool Server::WriteToClient() { int result = 0; OnlineUser *p = mUhead; Package *pack = (Package *)malloc(sizeof(Package) + sizeof(OnlineUser)); pack->type = GETONLINECLIENT; pack->length = sizeof(OnlineUser); while(p) { memcpy(pack->data, p, pack->length); result = write(mTempfd, pack, sizeof(Package) + sizeof(OnlineUser)); if(result < 0) { LOG(TAG, "write error ..."); return false; } p = p->next; } pack->type = ZERO; result = write(mTempfd, pack, sizeof(Package)); if(result < 0) { LOG(TAG, "write error ..."); return false; } LOG(TAG, "write user list success ..."); OnlineUser *pshow = mUhead; qDebug() << "server:\tname\tId"; while(pshow) { qDebug() << "server:\t" << pshow->user << "\t" << pshow->fd; pshow = pshow->next; } return true; } //write message to client bool Server::WriteToClient(const Message &messageinfo) { int result = 0; Package *pack = new Package[sizeof(Message) + sizeof(Package)]; pack->type = MESSAGE; pack->length = sizeof(Message); memcpy(pack->data, &messageinfo, pack->length); result = write(messageinfo.receiverid, pack, sizeof(Package) + sizeof(Message)); if(result < 0) { LOG(TAG, "write message error ..."); return false; } pack->type = ZERO; result = write(messageinfo.receiverid, pack, sizeof(Package)); if(result < 0) { LOG(TAG, "write pack head error ..."); return false; } delete pack; return true; } bool Server::ReadFromClient() { return true; } //select client bool Server::SelectClient() { FD_ZERO(&mSet); FD_SET(mSocketfd, &mSet); mMaxfd = mSocketfd; while(!mIsStop) { mReadset = mSet; int result = 0; LOG(TAG, "select ..."); result = select(mMaxfd + 1, &mReadset, NULL, NULL, NULL); if(result < 0) { LOG(TAG, "select error ..."); return false; } if(FD_ISSET(mSocketfd, &mReadset)) { socklen_t len = sizeof(mCaddr); mAcceptfd = accept(mSocketfd, (sockaddr *)&mSaddr, &len); if(mAcceptfd < 0) { LOG(TAG, "accept error ..."); return false; } LOG(TAG, "Client: ", inet_ntoa(mSaddr.sin_addr)); FD_SET(mAcceptfd, &mSet); if(mMaxfd < mAcceptfd) { mMaxfd = mAcceptfd; } //ClientNode *pnode = new ClientNode[sizeof(ClientNode)]; mNode = (ClientNode *)malloc(sizeof(ClientNode)); mNode->fd = mAcceptfd; mNode->caddr = mCaddr; mNode->next = mHead; mHead = mNode; } for(mNode = mHead; mNode != NULL; mNode = mNode->next) { mTempfd = mNode->fd; if(!FD_ISSET(mTempfd, &mReadset)) { continue; } Package pack; result = read(mTempfd, &pack, sizeof(Package)); if(result < 0) { LOG(TAG, "read error and TCP broken ..."); DeleteUnlineUser(mTempfd); close(mTempfd); FD_CLR(mTempfd, &mSet); break; } else if(0 == result) { LOG(TAG, "TCP broken ..."); DeleteUnlineUser(mTempfd); close(mTempfd); FD_CLR(mTempfd, &mSet); break; } bool IsBreak = false; char name[66]; UserInfo userinfo; int online; switch(pack.type) { case REGIST://数据包类型为注册 result = read(mTempfd, &mUser, pack.length); if(result < 0) { LOG(TAG, "read user regist info error ..."); return false; } LOG(TAG, "read regist image path = ", mUser.imagepath); if(mStorage->WriteToStorage(mUser)) { WriteToClient(SUCCESSED); } else { WriteToClient(FAILED); } break; case LOGIN://数据包类型为登录 result = read(mTempfd, &mLogin, pack.length); if(result < 0) { LOG(TAG, "read login info error ..."); return false; } LOG(TAG, "read login name = ", mLogin.username); LOG(TAG, "read login password = ", mLogin.password); if(mStorage->ReadFromStorage(mLogin.username, mLogin.password)) { CreateOnlineLinkTable(mTempfd, mLogin.username); WriteToClient(SUCCESSED); } else { WriteToClient(FAILED); } break; case GETLOGININFO://包头表示获取登录成功用户自身信息 result = read(mTempfd, name, pack.length); if(result < 0) { LOG(TAG, "read user name error ..."); return false; } LOG(TAG, "read username = ", name); userinfo = mStorage->ReadFromStorage(name); WriteT