HTML5 inter-window and Web workers RPC and publish-subscribe communication library
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The implementation of the library is based on the HTML5 Cross-document messaging postMessage API, Web Workers API, the JSON-RPC protocol and the JSON data format. Pmrpc uses the postMessage API as an underlying communication mechanism and extends it to a RPC model using the JSON-RPC, a transport-independent protocol that uses JSON for formatting messages.
The complete list of features and the full API reference is here.
We have also written several blog posts about Pmrpc and cross-context communication:
and several papers:
We also maintain a systematized list of other cross-context communication libraries and systems - check it out here.
Below is a hello world example of using pmrpc. For more examples, see the
examplesfolder. See the API docs for a full description of the API, feature list and usage examples.
Inter-window communication example (parent window invokes procedure in nested iframe):
First, a procedure is registered for remote calls in the iframe that contains the procedure:
Second, the procedure is called from the parent window by specifying the iframe object which contains the remote procedure, name of the procedure and parameters:
Pmrpc should work on Firefox 3+, Google Chrome, Opera 10.60+, Internet Explorer 8+.
Visit the pmrpc testing page to see if your browser can use pmrpc. In general, pmrpc is designed to work with the latest version of all popular browsers, we have no interest or intention to support old browser version (e.g. Firefox 2, IE6).
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