The DataHub APIs are a fully open set of application development interfaces that allow you to connect custom programs to the Cogent DataHub in Windows and Cascade DataHub in Linux and QNX. These APIs are provided with both object code and source code examples. They set out a very simple set of commands that allow you to both read and write data to the DataHub.
For more detailed information on the DataHub APIs, see documentation.
.NET, C++, Java and C APIs
The Cogent APIs are grouped as:
DataHub APIs for Windows
The DataHub API for C++ lets you write programs in C++ that connect to the DataHub over TCP, namely LAN, WAN, or the Internet.
The DataHub API for Java lets you write programs in Java that connect to the DataHub over TCP, namely LAN, WAN, or the Internet. In addition, it lets you create web browser applications that receive and display live data from the DataHub.
The DataHub API for .NET lets you write programs in .NET that connect to the DataHub over TCP, namely LAN, WAN, or the Internet. This API is implemented in C#, but can be used with any .NET language.
DataHub APIs for Linux and QNX
The Cogent C API lets you write high-speed clients that can interact with the Cascade DataHub and other Cogent programs for Linux and QNX. It works in Linux, QNX 6, and QNX 4. Interprocess communication relies on Send/Receive/Reply message passing. In Linux, this is supported by Cogent's SRR Module. In QNX, this is supported by QNX's own Send/Receive/Reply protocol.
The DataHub C++ API is also provided in the Cogent C API archive, but this API is only supported under Linux and QNX 6.
Software Toolbox Inc. is the Master Distributor for North America for the Cogent DataHub product.
Cogent DataHub, OPC DataHub, Cascade DataHub, DataHub WebView, Gamma are either registered trademarks or trademarks of Cogent Real-Time Systems., in Canada, the United States and/or other countries.
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