局域网文件传输

1哈尔滨理工大学学年设计题目：局域网文件传输院系：计算机科学与技术学院网络工程系姓名：申文龙指导教师：李朴成绩：2010年09月17日网络工程专业学年设计论文-I局域网文件传输的设计与实现摘要随着互联网技术的迅猛发展，计算机通信给人类文明带来了翻天覆地的变化。很多情况下，人们的日常工作需要借助文件传输来完成。但大多数文件传输功能都需要借助移动磁盘等硬件设备或Internet上的服务器才能实现。这就给那些具有大规模内部网络的用户造成了许多问题，如浪费资金、浪费网络资源、病毒入侵、降低了工作效率等。为了方便局域网内主机的资源共享，需要开发一个基于局域网的文件传输工具，在内部网络中实现文件交换。基于局域网的文件传输系统的设计选用VirtualStudio2008为开发工具，以C/S模式通过建立Socket连接后实现局域网快速，准确，安全的点对点文件以及文件夹传输功能。本系统能够促进局域网内用户之间的文件资源共享，满足主机之间信息交流，确保文件及文件夹传输安全性，有效地提高工作效率。设计共分为五大模块，分别为：一、介绍选题背景及意义和国内外研究现状；二、介绍TCP/IP点对点协议技术,C/S架构的MFC程序设计技术和Socket网络编程技术；三、对当前局域网文件传输进行需求分析并提出解决方案；四、根据解决方案对系统进行设计；五、对基于局域网的文件传输系统进行测试并得到测试结果。关键词C/S结构；网络通讯组件；点对点；Socket连接网络工程专业学年设计论文-IILANDesignandImplementationofFileTransferAbstractWiththerapiddevelopmentofInternettechnology,computercommunicationstothehumancivilizationhasbroughttremendouschanges.Inmanycases,people'sdailyworktobedonewiththefiletransfer.However,mostfiletransferneedswitharemovablediskandotherhardwaredevicesorserversontheInternetcanbeachieved.Thisinternalnetworktothoseuserswithlarge-scalecausedmanyproblems,suchasawasteofmoney,awasteofnetworkresources,virusattacks,reducedworkefficiency.InordertofacilitateresourcesharingonmachineswithintheLAN,youneedtodevelopaLAN-basedfiletransfertool,intheinternalnetworkforfileexchange.LAN-basedfiletransfersystemdesignedfortheselectionofVirtualStudio2008developmenttoolstoC/SmodetoachievethroughtheestablishmentoflocalareanetworkSocketconnectionfast,accurateandsecurefilesandfolderspointtopointtransmission.Thesystemcanpromotethelocalareanetworkfilesharingbetweenusers,tomeettheinformationexchangebetweenthehost,transferfilesandfolderstoensuresafety,effectivelyimprovetheworkefficiency.Designisdividedintofivemodules,namely:I,introducetheresearchbackgroundandsignificanceandresearchstatus;IIintroducesTCP/IPpointtopointprotocoltechnology,C/SarchitectureMFCSocketprogrammingtechniquesandnetworkprogramming;IIILANfiletransferonthecurrentneedsanalysisandproposesolutions;four,accordingtothesystemdesignsolution;five,LAN-basedfiletransfersystemtotestandgettestresults.KeywordsC/Sstructure;networkcommunicationcomponents;point;SocketConnection网络工程专业学年设计论文I目录摘要……........................................................................................................................................IAbstract........................................................................................................................................II第1章绪论...................................................................................................................................11.1选题目的和意义..................................................................................................................11.2国内外文献综述..................................................................................................................11.3论文研究内容......................................................................................................................1第2章网络相关知识...................................................................................................................32.1TCP/IP协议..........................................................................................................................32.2主要协议..............................................................................................................................32.2.1IP协议...........................................................................................................................32.2.2TCP协议........................................................................................................................42.2.3UDP................................................................................................................................42.2.4ICMP..............................................................................................................................42.3TCP/IP端口..........................................................................................................................42.4IP地址..................................................................................................................................52.5C/S构架................................................................................................................................52.5.1C/S架构软件的优势与劣势.........................................................................................52.6客户端（Client）................................................................................................................62.7服务器（Server）...............................................................................................................62.8Socket编程...........................................................................................................................62.9主要函数介绍......................................................................................................................72.9.1Accept...............................................................................................................