From sgcWebSockets 4.4.3, you can replace your DataSnap server application by our WebSockets server and take advantage of new features like: WebSocket ProtocolHTTP/2 ProtocolIOCP There are 3 different types of server that you can use as a replacement of TIdHTTPWebBrokerBridge default Indy server. Server Main Features Description TsgcWSHTTPWeb...
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From sgcWebSockets 4.4.3, HTTP/2 is initially supported and new features will be added on next versions. In a prior entry blog we compared the performance between HTTP 1.1 and HTTP/2 protocols, to do this, I use sgcWebSockets HTTP/2 client which downloaded 100 images from imagekit.io servers. HTTP/2 Client sgcWebSockets HTTP/2 clie...
From sgcWebSockets 4.4.3 HTTP/2 protocol is initially supported (it's still on beta) from TsgcWebSocketHTTPServer. Fast HTTP.SYS based server will receive support for HTTP/2 on next versions. By default, HTTP/2 support is disabled, so you must enable before testing. There is a new property, called HTTP2Options, just set HTTP2Options.Enabled = ...
From sgcWebSockets 4.4.3, Amazon AWS IoT MQTT component supports custom authentication, so from this version all MQTT protocols are supported. MQTT over WebSocketsMQTT over TCPX.509 certificate authenticationSignature V4 authenticationCustom Authentication Protocols Supported The following table lists the protocols that the AWS IoT devi...
From sgcWebSockets 4.4.3, the Amazon AWS IoT client supports Signature V4 Authentication, this means that you don't need to use a certificate to authenticate against AWS MQTT Server. Signature V4 can be used for MQTT over WebSockets and port 443. Configuration First you must create a new user in your AWS console and assign privileges for IoT device...
From sgcWebSockets 4.4.3, Bittrex API component supports latest WebSocket API V3. Prior API, end of life is planned for 09/30/2020. The API still is based on SignalR but there are several changes, so all old methods have been removed and new methods and events have been added. Private Methods There are some new private methods like Subscription to ...
httpbin.org provides a useful server to test HTTP/2 protocol, there are several cases which can be used to test HTTP clients. You can find below a list of main tests provided: HTTP Methods: Testing different HTTP verbsAuth: Auth methodsStatus Codes: Generates responses with given status codeRequest inspection: Inspect the request dat...
In a previous post, I show a comparison between HTTP2 and HTTP1 performance using a single connection (see HTTP2 vs HTTP1 performance). In this post I will show a comparative between HTTP2 and HTTP1 introducing a latency and showing how latency can affect to HTTP protocol requests. When a client do a request, there is a latency, more or less depend...
RFC 7540 and RFC 7541 contains the full specification of HTTP/2 protocol and in the process of implementing a new HTTP/2 client for sgcWebSockets library, is important to use external tools to check if client component is working as expected. One of this online tools is hosted in: https://http2.golang.org/ This web offers some tests for HTTP/2 clie...
From sgcWebSockets 4.4.2 Telegram is supported for iOS64 devices, which means that you can build your own telegram client. TDLib takes care of all network implementation details, encryption and local data storage. TDLib supports all Telegram features. TDLib (Telegram Database Library) Advantages Cross-platform: can be used on Windows, Android,...