Asynchronous Io Jobs

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Hourly - Expert ($$$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
I am looking to have a well done, fully commented script put together as an example for the latest asyncio sockets technology, as well as a basic example for MongoDB. Using a list of 20,000+ URLs I can provide, I would like the script to be able to spawn off as many concurrent requests as I desire and fetch the result from each URL and store it into a MongoDB table. Essentially, a basic Http/Https client needs to be created in order to fetch and handle the requests, as I would like to send raw headers and receive the raw response from the server. The client should be able to handle any errors or timeouts (DNS that cannot resolve, or requests that simply time out) and be able to repeat the process again up to 3 times before determining the URL as bad and updating the database as such. I would also like the client to have the option of using a proxy for the requests (which I can also provide if needed). The purpose of this is to be as fast and lightweight as possible, so the lowest level objects possible should be used (Python standard library only). I will be using the script as a reference tool to building something a little different, so I could also pay you for your time, if interested, to answer any questions I may have on modifying the logic.
Skills: Asynchronous I/O MongoDB Socket Programming
Hourly - Entry Level ($) - Est. Time: Less than 1 month, 10-30 hrs/week - Posted
I am seeking an experienced Javascript Developer to help me debug and release a small Google Chrome extension. You will work with me ( I am a Javascript Developer myself) and hopefully I can learn a few things from you. The following experience is a must: - Top notch Javascript skills. I don't use prototypes and I strictly write modular code with encapsulated responsibilities. Must have a strong grasp of closure, scope and promises/asynchronous programming. - Have built and released Google Chrome extensions to the Google store. - Experience with Browserify and NPM (experience with watchify is a big plus). - Plus if you have experience with the Google Sheets API. - Big plus if you are also good with design. Please include "Sandman" in your response so I know you read this ad.
Skills: Asynchronous I/O Chrome Extension jQuery
Fixed-Price - Intermediate ($$) - Est. Budget: $200 - Posted
We're looking for an experienced C++ developer who can create a cross-platform application to act as a proxy using ASIO or equivalent/better technology. It will serve as a proxy between clients and a specific gameserver. It will do the following: -The application will utilize TCP protocol only. -Handle up to 2000 connections per work thread with minimal resource usage. -Listen to a local IP/Port and redirect to a remote IP/Port. -List of clients. -A class for each client to intercept all incoming and outgoing traffic and analyze it accordingly. -You will given the gameserver's API to parse and analyze packets, and we would want to integrate it into the proxy. The design will be as following: Client Client --> Proxy Software --> Server Client <-- Proxy Software <-- Server Client (Analyze packets)
Skills: Asynchronous I/O C++ Computer Networking