Embedthis Appweb™ Features

The Appweb product includes the following components:

• Appweb HTTP Server main program
• Appweb HTTP Client program
• Appweb HTTP Client and Server libraries
• Multiple web frameworks
• Interface to Secure Sockets Layer (SSL/TLS)
• Documentation
• Samples
• Source code

Feature Overview

HTTP Server Engine

• Full HTTP/1.1 support
• IPv4 and IPv6
• Multithreaded, event-based server
• Fast co-routine request pipeline
• Request routing with RegularExpression request rewriting
• Supports ranged, chunked and pipelined requests
• Sendfile and vectored I/O
• Virtual Hosting. IP-based and Name-based
• Error and access Logging (Common Log Format)
• Apache style configuration
• Manager monitoring process
• Sand-box resource limits

Performance

• Request throughput (> 9,000 requests per second)
• Multi-threaded core for scale and blocking requests
• Small memory footprint even under heavy load (from 1MB)

Modularity

• Dynamic loading of modules
• Modules for CGI, Directory Listings, ESP, Ejscript, PHP, file upload and SSL
• Configurable request routing
• Extensible/replaceable authorization, SSL and script

Security

• Secure Sockets Layer (SSL)
• Basic and Digest Authentication
• Route based authorization
• Sandbox limits
• Access and access violation logging
• Safe portable runtime to protect against memory leaks and buffer overflows

Dynamic Content

• Embedded Server Pages (included)
• Support for Ejscript Server-Side JavaScript (separate product)
• PHP (separate)
• CGI/1.1

Embedded Server Pages (ESP) Web Framework

• Web page templating engine with layout pages
• Model/View/Controller paradigm or stand-alone web pages
• Embedded "C" language code in HTML pages
• Fast, automatic recompilation and reloading of updated web pages
• Ajax View Controls with jQuery support
• Session and flash inter-request state management
• Routing of URL requests directly to "C" language functions
• Integrated and transparent content caching

Developer Support

• HTTP server and client libraries
• Shared and static library build options
• Extensive "C" API
• Easy, intuitive programming model
• Coding minimized as most features can be specified via the configuration file
• Extensive debug trace logging

Documentation

• Full "C" API Documentation
• Guides and programmer reference
• Cookbook of samples (cut and paste to get going)
• Tutorials

Platform Support

• Linux (2.4, 2.6: Ubuntu, Fedora)
• Windows (XP, Vista, 7)
• MAC OSX (Leopard, Lion)
• VxWorks (5.4, 6.3)
• Free BSD
• Unix

Embedding Support

• Supports ARM, MIPS, X86, PPC and Sparc processors
• Full cross-compilation support. Use Windows, Linux or Mac as build system
• Fine-grained control for conditional build and compilation
• Execute from ROM (XIP)

Other Features

• Packaged installations for Linux, Windows and MAC OS X
• Run as a service/daemon
• HTTP server and client access program

Standards

• HTTP/1.1
• CGI/1.1
• Apache configuration file and logging compatibility