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- Language : C / C++ / Python Develop a simple Web server (parity generator) that is capable of processing the request from client. Create a socket connection, when contacted by the client the server has to process the request and give back the result. Client part The client has to send the data in bits (e.g 1100011000). It also has to send the number of frames it has to separate the data (e.g. 2 frames) Server part Server has to split the data into 2 parts (Frame 1 -> 11000; Frame 2 ->11000) and send back to the client. For each part server has to find the even parity and sendSeparate the server code and client code into two different programs, server.py and client.py. Execute the server program first and then execute the client program. You should still get the same set of print messages as in the combined threaded code in proj.py In the program provided, the server just sends a message string to the client after it connects. In this step you have to modify the server in two cases.1) Modify the server code so that when the client sends a string to the server, the server reverses the string before sending it back to the client. For example, if the client sends HELLO to the server, the client should receive OLLEH. Your client program should print the string sent by the client and the corresponding string received by the client from the server.2) Modify the server code so that when the client sends a string to the server, the server change all letters to upper case letters and sending it back to the client. For example, if the client sends hello to the…Using Java sockets, implement the Remote Procedure Call (RPC). Consider the following requirements: 1. RPC contains multiple clients(with stubs), one Binder, multiple servers (with stubs). 2. Apply the RPC on any function with your choice.
- Using client-server socket programming, implement a multi-threaded server that returns to the client the synonym of a word as stored in a dictionary. The client should prompt the user for a word, reads the word from the screen and sends it to the server and waits for response from the server. Once the client gets the synonym of the word, it should print the word and its synonym on the screen and prompt for another word. This should continue until the user enters the characters @ to quit. Example: >>> python TCPClient.py Input a word: weak weak ==> frail Input a word: fair fair ==> just Input a word: @ Notes: 1) A file that contains some words and their synonyms is provided 2) In the server code, read the file to a global python dictionary object engDict = {} # empty dictionary object with open('dictionary.txt') as f: # open the file for line in f: tok = line.split() engDict[tok[0]] = tok[1] print(engDict) 3) Here is a Skelton of the server [some code here ] class…- Consider another carelessly written Web application, which uses a servlet that checks if there was an active session, but does not check if the user is authorized to access that page, instead depending on the fact that a link to the page is shown only to authorized users. What is the risk with this scheme? (There was a real instance where applicants to a college admissions site could, after logging into the Web site, exploit this loophole and view information they were not authorized to see; the unauthorized access was however detected, and those who accessed the information were punished by being denied admission.)Using client-server socket programming, implement a multi-threaded server that returns to the client the synonym of a word as stored in a dictionary. The client should prompt the user for a word, reads the word from the screen and sends it to the server and waits for response from the server. Once the client gets the synonym of the word, it should print the word and its synonym on the screen and prompt for another word. This should continue until the user enters the characters @ to quit. Example: >>> python TCPClient.py Input a word: weak weak ==> frail Input a word: fair fair ==> just Input a word: @ Notes: 1) A file that contains some words and their synonyms is provided 2) In the server code, read the file to a global python dictionary object engDict = {} # empty dictionary object with open('dictionary.txt') as f: # open the file for line in f: tok = line.split() engDict[tok[0]] = tok[1] print(engDict) 3) Here is a Skelton of the server [some code here ] class…
- Write a device driver for a character device which implements a simple way of message passing. The kernel maintains a list of messages. To limit memory usage, we impose a limit of 4KB = 4*1024 bytes for each message and also impose a limit of the total number of messages stored in the kernel, which is 1000. Your device driver should perform the following operations: * When the module is loaded, the device is created. An empty list of messages is created as well. * Removing the module deallocates all messages, removes the list of messages and removes the device. * Reading from the device returns one message, and removes this message from the kernel list. If the list of messages is empty, the reader returns -EAGAIN. * Writing to the device stores the message in kernel space and adds it to the list if the message is below the maximum size, and the limit of the number of all messages stored in the kernel wouldn't be surpassed with this message. If the message is too big, -EINVAL is…n this assignment, you will develop a simple Web server in Python that is capableof processing only one request. Specifically, your Web server will(i) Create a connection socket when contacted by a client (browser)(ii) Receive the HTTP request from this connection(iii) Parse the request to determine the specific file being requested(iv) Get the requested file from the server’s file system(v) Create an HTTP response message consisting of the requested filepreceded by header lines(vi) Send the response over the TCP connection to the requesting browser.If a browser requests a file that is not present in your server, your server shouldreturn a “404 Not Found” error message.Your job is to code the steps above, run your server, and then test your server bysending requests from browsers running on different hosts. If you run your serveron a host that already has a Web server running on it, then you should use a differentport than port 80 for your Web server. Make sure to test your program…write a client-server program in C: Copy the program, compile and run(to ensure it is functional). Hint: IP address 0.0.0.0 and 127.0.0.1 (Loopback IP address); Insert appropriate comments in your example program to highlight the following aspects of the API: Creating a socket Endpoint addresses (IP + Port number) used Client connecting to server Server accepting to connect to client Client communicating with (sending request to) server Server accepting client request Server processing client request Server communicating with (sending reply back to) client Client receiving server’s response Client closing the connection Server closing a connection.
- Write in C: Quesiton 2. Implementing non-blocking / non-echoing mode for xv6 consoleThe default operation of xv6 console driver is to collect user keypresses into a line of text and toawaken the processes waiting for user input only when the user presses Enter. In addition, xv6console automatically echoes (i.e. prints out on the display) every user keypress. While thisbehaviour is appropriate in many scenarios, it is not suitable for interactive gaming.Implement ioctl() system call for the console driver that switches it into non-echoingm non-blockingmode and test it using sample game supplied to you in user/game.c file This is some of the code: Console.c ---------------------------- #include <stdarg.h> #include "types.h" #include "param.h" #include "spinlock.h" #include "sleeplock.h" #include "fs.h" #include "file.h" #include "memlayout.h" #include "riscv.h" #include "defs.h" #include "proc.h" #include "console.h" #include "ioctl.h" #define BACKSPACE 0x100 #define C(x)…Implement a Socket based Remote C compiler. NEED THE PROGRAM IN JAVA. The JAVA program will take a C program (from a txt file) as input, send it to the server to compile & execute it, and return it to the client. In other words,The client will write or chose a C program which will be copied to the server, compiled and executed in the server machine and return the result back to the client.Computer science Use C language to solve the question. The initial server and client .c code is given write code using these .c client and server files. Q1: Design a client-server model for two-way communication. Both the client and server should beable to send and receive messages.Upon the establishment of successful connection, the server should send a message, “Hi, youhave connected to the server!”.[The client should then send a string to the server. The server should reverse the string andsend it back to the client. The client should then display the received string.] This job will bedone in a loop of 5 times. -------------------------------------------- server.c #include <stdio.h> #include <stdlib.h> #include <sys/socket.h> #include <sys/types.h> #include <netinet/in.h> int main() { char server_message[256] = "Hi, Yes you have reached the server!"; char buf[200]; // create the server socket int server_socket; server_socket = socket(AF_INET,…