1/9/2023 0 Comments Http client c![]() ![]() ![]() Lets create a server that continuously runs and sends the date and time as soon as a client connects to it. Sockets can be used in many languages like Java, C++ etc but here in this article, we will understand the socket communication in its purest form (i.e in C programming language) ![]() ie, the client begins the communication and server follows up and a connection is established. While OSI is more of a theoretical model, the TCP/IP networking model is the most popular and widely used.Īs explained in our TCP/IP Fundamentals article, the communication over the network in TCP/IP model takes place in form of a client server architecture. There are two types of network communication models: Each connection between two processes running at different systems can be uniquely identified through their 4-tuple. A combination of local socket and the socket at the remote system is also known a ‘Four tuple’ or ‘4-tuple’. So on each system a socket exists for a process interacting with the socket on other system over the network. To be a bit precise, a socket is a combination of IP address and port on one system. In layman’s term, a Socket is an end point of communication between two systems on a network. So this is also an inter process communication but the technique through which they communicate with each other is SOCKETS, which is the focus of this article. But the above are some of the very classic ways of interprocess communication.īut have you ever given a thought over how two processes communicate across a network?įor example, when you browse a website, on your local system the process running is your web browser, while on the remote system the process running is the web server. Aria2: Command Line Download Manager for LinuxĪre there any awesome command line HTTP clients that are not listed above? Feel free to add your suggestions and reasons in the discussion box below.Typically two processes communicate with each other on a single system through one of the following inter process communication techniques. Its features include automatic validation for files like BitTorrent, parallel file downloads from HTTP(S)/(S)FTP and BitTorrent at the same, Ntrc support, disk caching to reduce disk activity, IPv6 support with Happy Eyeballs, etc. Aria2Īria2 is a lightweight open source command-line download utility with support for HTTP & HTTPS, FTP & SFTP, Metalink, and BitTorrent. Wget Download Files to Specific Directory 5. Wget boasts several features including the ability to function excellently even when your network connection is slow or unstable, support for HTTP proxies and cookies, resume aborted downloads using REST and RANGE APIs, NLS-based message files for different languages, etc. Its function is recursive downloading which entails that it follows the links in HTML pages and create local versions of remote websites. Wget is an open source command-line utility for retrieving content from web servers via HTTP proxies as well as HTTP, HTTPS, and FTP protocols. It has a long feature list which includes support for IPv6 and socks5, custom output results after completion, no URL length limit, asynchronous name resolving. CurlĬurl is an open source command line utility and library for transferring files over a network using URL syntax over any of several supported protocols including SCP, SMTPS, HTTPS, IMAP, LDAP, POP3, etc.Ĭurl is a very popular utility used in not only terminals and scripts to transfer data but also in routers, printers, tablets, mobile phones, set-top boxes, audio equipment, media players, etc. HTTP Prompt – Command Line HTTP Client for Linux 3. Its feature highlights include auto-complete, syntax highlighting, auto cookies, Unix-like pipelines, compatibility with HTTpie, http-prompt persists in-between sessions, and OpenAPI/Swagger integration. HTTP Prompt is an interactive command-line HTTP client built on prompt_toolkit and HTTPie with 20+ themes.
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