95 lines
3.0 KiB
JavaScript
95 lines
3.0 KiB
JavaScript
const Cc = Components.classes;
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const Ci = Components.interfaces;
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const TIMEOUT_INTERVAL_MS = 100;
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function handleRequest(request, response) {
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// Allow us to asynchronously construct the response with timeouts
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// rather than forcing us to make the whole thing in one call. See
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// bug 396226.
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response.processAsync();
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// Figure out whether the client wants to load the image, or just
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// to tell us to finish the previous load
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var query = {};
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request.queryString.split('&').forEach(function (val) {
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var [name, value] = val.split('=');
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query[name] = unescape(value);
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});
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if (query["continue"] == "true") {
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// Debugging information so we can figure out the hang
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dump("file_IconTestServer.js DEBUG - Got continue command\n");
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// Get the context structure and finish the old request
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getObjectState("context", function(obj) {
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// magic or goop, depending on how you look at it
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savedCtx = obj.wrappedJSObject;
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// Write the rest of the data
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savedCtx.ostream.writeFrom(savedCtx.istream, savedCtx.istream.available());
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// Close the streams
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savedCtx.ostream.close();
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savedCtx.istream.close();
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// Finish off 'the old response'
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savedCtx.response.finish();
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});
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// Finish off 'the current response'
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response.finish();
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return;
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}
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// Debugging information so we can figure out the hang
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dump("file_IconTestServer.js DEBUG - Got initial request\n");
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// Context structure - we need to set this up properly to pass to setObjectState
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var ctx = {
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QueryInterface: function(iid) {
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if (iid.equals(Components.interfaces.nsISupports))
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return this;
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throw Components.results.NS_ERROR_NO_INTERFACE;
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}
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};
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ctx.wrappedJSObject = ctx;
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// Save the response
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ctx.response = response;
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// We're serving up a png
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response.setHeader("Content-Type", "image/png", false);
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// Get the output stream
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ctx.ostream = response.bodyOutputStream;
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// Ugly hack, but effective - copied from dom/media/test/contentDuration1.sjs
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var pngFile = Components.classes["@mozilla.org/file/directory_service;1"].
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getService(Components.interfaces.nsIProperties).
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get("CurWorkD", Components.interfaces.nsILocalFile);
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var paths = "tests/layout/generic/test/file_Dolske.png";
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var split = paths.split("/");
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for(var i = 0; i < split.length; ++i) {
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pngFile.append(split[i]);
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}
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// Get an input stream for the png data
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ctx.istream = Cc["@mozilla.org/network/file-input-stream;1"].
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createInstance(Components.interfaces.nsIFileInputStream);
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ctx.istream.init(pngFile, -1, 0, 0);
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// Write the first 10 bytes, which is just boilerplate/magic bytes
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ctx.ostream.writeFrom(ctx.istream, 10);
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// Save the context structure for retrieval when we get pinged
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setObjectState("context", ctx);
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// Now we play the waiting game...
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// Debugging information so we can figure out the hang
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dump("file_IconTestServer.js DEBUG - Playing the waiting game\n");
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}
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