Java程序辅导
C C++ Java Python Processing编程在线培训 程序编写 软件开发 视频讲解
C C++ Java Python Processing编程在线培训 程序编写 软件开发 视频讲解
Socket Programming Projects CISC 650/450 Computer Networks Fall 2010 Instructor: Chien-‐chung Shen TA: Yang Guan MulH-‐Threaded Web Server MulH-‐Threaded Web Server • Developing a web server capable of serving mulHple requests in parallel • Implement HTTP version 1.0 • A separate TCP connecHon is created for each request/response pair • A main thread that listens on the port, waiHng for incoming requests • Each Hme a request comes, a new thread is created to process the request MulH-‐Threaded Web Server • Request messages – GET • Response messages – 200 OK – 400 Bad request – 404 Not Found MulH-‐Threaded Web Server • Use port number larger than 1024, instead of 80 • Access your server by typing: – h[p://sHmpy.eecis.udel.edu:5678/dir/index.html • Test your server with mulHple web browsers • Develop your code on EECIS machines • Use any language you like (C, C++, JAVA) • Submit a Makefile with your code Network Jeopardy Protocol Network Jeopardy Protocol Network Jeopardy Protocol Game Master (Collect_subscripHon) Client 1 CM_SUBSCRIBE Client 2 CM_SUBSCRIBE Client n CM_SUBSCRIBE …… Network Jeopardy Protocol Game Master (GAME_IN_PROGRESS) Client 1 SM_NEW_GAME Client 2 SM_NEW_GAME SM_NEW_GAME …… • Check number of alive connecHons • Stop accepHng new connecHons • NoHfy all clients Client n • Update state • Display all clients’ informaHon • Display categories’ informaHon Network Jeopardy Protocol Game Master (ROUND_IN_PROGRESS) Client 1 SM_NEW_ROUND Client 2 SM_NEW_ROUND Client n SM_NEW_ROUND …… • Select a client • Send all clients SM_NEW_ROUND message • Display “WaiHng for Client 1 to select category” • Display “Please select a category” Network Jeopardy Protocol Game Master (ROUND_IN_PROGRESS) Client 1 CM_CATEGORY Client 2 Client n …… • Ensure CM_CATEGORY message is from the selected client Network Jeopardy Protocol Game Master (CATEGORY_SELECTED) Client 1 Client 2 Client n …… SM_CATEGORY SM_CATEGORY SM_CATEGORY Network Jeopardy Protocol Game Master (WAIT_FOR_RING) Client 1 Client 2 Client n …… SM_QUESTION SM_QUESTION SM_QUESTION Network Jeopardy Protocol Game Master (WAIT_FOR_CM_ANSWER) Client 1 CM_RING Client 2 Client n …… • How to resolve simultaneous CM_RING messages? Network Jeopardy Protocol Game Master (WAIT_FOR_CM_ANSWER) Client 1 Client 2 Client n …… SM_RING_CLIENT SM_RING_CLIENT SM_RING_CLIENT Network Jeopardy Protocol Game Master (WAIT_FOR_CM_ANSWER) Client 1 Client 2 Client n …… • Typing answer • What if no answer comes from the client? Network Jeopardy Protocol Game Master (END_OF_ROUND) Client 1 CM_ANSWER Client 2 Client n …… • Is the answer correct? Network Jeopardy Protocol Game Master (END_OF_ROUND) Client 1 Client 2 Client n …… SM_ANSWER SM_ANSWER SM_ANSWER Network Jeopardy Protocol • A new round is started aler this: – Update number of quesHons in each categories – Who is the next one to select categories – Score board • How many message types? • Define your message format carefully • Finite state machine for game master and player Network Jeopardy Protocol • Test your code – On EECIS machines – One game master, at least two players, two categories, two quesHons in each category • Submit your code: – Contain a Makefile telling me how to compile your codes