var _CSvc; function get_cache_service() { if (_CSvc) return _CSvc; return _CSvc = Components.classes["@mozilla.org/network/cache-service;1"] .getService(Components.interfaces.nsICacheService); } function evict_cache_entries(where) { if (where == null) where = Components.interfaces.nsICache.STORE_ANYWHERE; get_cache_service().evictEntries(where); } function asyncOpenCacheEntry(key, sessionName, storagePolicy, access, callback) { function CacheListener() { } CacheListener.prototype = { QueryInterface: function (iid) { if (iid.equals(Components.interfaces.nsICacheListener) || iid.equals(Components.interfaces.nsISupports)) return this; throw Components.results.NS_ERROR_NO_INTERFACE; }, onCacheEntryAvailable: function (entry, access, status) { callback(status, entry); }, run: function () { var cache = get_cache_service(); var session = cache.createSession( sessionName, storagePolicy, Components.interfaces.nsICache.STREAM_BASED); session.asyncOpenCacheEntry(key, access, this); } }; (new CacheListener()).run(); } function syncWithCacheIOThread(callback) { asyncOpenCacheEntry( "nonexistententry", "HTTP", Components.interfaces.nsICache.STORE_ANYWHERE, Components.interfaces.nsICache.ACCESS_READ, function(status, entry) { do_check_eq(status, Components.results.NS_ERROR_CACHE_KEY_NOT_FOUND); callback(); }); } function get_device_entry_count(device) { var cs = get_cache_service(); var entry_count = -1; var visitor = { visitDevice: function (deviceID, deviceInfo) { if (device == deviceID) entry_count = deviceInfo.entryCount; return false; }, visitEntry: function (deviceID, entryInfo) { do_throw("nsICacheVisitor.visitEntry should not be called " + "when checking the availability of devices"); } }; // get the device entry count cs.visitEntries(visitor); return entry_count; } function asyncCheckCacheEntryPresence(key, sessionName, storagePolicy, shouldExist, doomOnExpire, continuation) { var listener = { QueryInterface : function(iid) { if (iid.equals(Components.interfaces.nsICacheListener)) return this; throw Components.results.NS_NOINTERFACE; }, onCacheEntryAvailable : function(descriptor, accessGranted, status) { if (shouldExist) { dump("TEST-INFO | checking cache key " + key + " exists @ " + sessionName); do_check_eq(status, Cr.NS_OK); do_check_true(!!descriptor); } else { dump("TEST-INFO | checking cache key " + key + " doesn't exist @ " + sessionName); do_check_eq(status, Cr.NS_ERROR_CACHE_KEY_NOT_FOUND); do_check_null(descriptor); } continuation(); } }; var service = Cc["@mozilla.org/network/cache-service;1"].getService(Ci.nsICacheService); var session = service.createSession(sessionName, storagePolicy, true); session.doomEntriesIfExpired = doomOnExpire; session.asyncOpenCacheEntry(key, Ci.nsICache.ACCESS_READ, listener); }