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Components.utils.import('resource://gre/modules/XPCOMUtils.jsm');
Components.utils.import('resource://gre/modules/LoadContextInfo.jsm');
var _CSvc;
function get_cache_service() {
if (_CSvc)
return _CSvc;
return _CSvc = Components.classes["@mozilla.org/netwerk/cache-storage-service;1"]
.getService(Components.interfaces.nsICacheStorageService);
}
function evict_cache_entries(where)
{
var clearDisk = (!where || where == "disk" || where == "all");
var clearMem = (!where || where == "memory" || where == "all");
var clearAppCache = (where == "appcache");
var svc = get_cache_service();
var storage;
if (clearMem) {
storage = svc.memoryCacheStorage(LoadContextInfo.default);
storage.asyncEvictStorage(null);
}
if (clearDisk) {
storage = svc.diskCacheStorage(LoadContextInfo.default, false);
storage.asyncEvictStorage(null);
}
if (clearAppCache) {
storage = svc.appCacheStorage(LoadContextInfo.default, null);
storage.asyncEvictStorage(null);
}
}
function createURI(urispec)
{
var ioServ = Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService);
return ioServ.newURI(urispec, null, null);
}
function getCacheStorage(where, lci, appcache)
{
if (!lci) lci = LoadContextInfo.default;
var svc = get_cache_service();
switch (where) {
case "disk": return svc.diskCacheStorage(lci, false);
case "memory": return svc.memoryCacheStorage(lci);
case "appcache": return svc.appCacheStorage(lci, appcache);
case "pin": return svc.pinningCacheStorage(lci);
}
return null;
}
function asyncOpenCacheEntry(key, where, flags, lci, callback, appcache)
{
key = createURI(key);
function CacheListener() { }
CacheListener.prototype = {
_appCache: appcache,
QueryInterface: function (iid) {
if (iid.equals(Components.interfaces.nsICacheEntryOpenCallback) ||
iid.equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
onCacheEntryCheck: function(entry, appCache) {
if (typeof callback === "object")
return callback.onCacheEntryCheck(entry, appCache);
return Ci.nsICacheEntryOpenCallback.ENTRY_WANTED;
},
onCacheEntryAvailable: function (entry, isnew, appCache, status) {
if (typeof callback === "object") {
// Root us at the callback
callback.__cache_listener_root = this;
callback.onCacheEntryAvailable(entry, isnew, appCache, status);
}
else
callback(status, entry, appCache);
},
run: function () {
var storage = getCacheStorage(where, lci, this._appCache);
storage.asyncOpenURI(key, "", flags, this);
}
};
(new CacheListener()).run();
}
function syncWithCacheIOThread(callback, force)
{
if (!newCacheBackEndUsed() || force) {
asyncOpenCacheEntry(
"http://nonexistententry/", "disk", Ci.nsICacheStorage.OPEN_READONLY, null,
function(status, entry) {
do_check_eq(status, Components.results.NS_ERROR_CACHE_KEY_NOT_FOUND);
callback();
});
}
else {
callback();
}
}
function get_device_entry_count(where, lci, continuation) {
var storage = getCacheStorage(where, lci);
if (!storage) {
continuation(-1, 0);
return;
}
var visitor = {
onCacheStorageInfo: function (entryCount, consumption) {
do_execute_soon(function() {
continuation(entryCount, consumption);
});
},
};
// get the device entry count
storage.asyncVisitStorage(visitor, false);
}
function asyncCheckCacheEntryPresence(key, where, shouldExist, continuation, appCache)
{
asyncOpenCacheEntry(key, where, Ci.nsICacheStorage.OPEN_READONLY, null,
function(status, entry) {
if (shouldExist) {
dump("TEST-INFO | checking cache key " + key + " exists @ " + where);
do_check_eq(status, Cr.NS_OK);
do_check_true(!!entry);
} else {
dump("TEST-INFO | checking cache key " + key + " doesn't exist @ " + where);
do_check_eq(status, Cr.NS_ERROR_CACHE_KEY_NOT_FOUND);
do_check_null(entry);
}
continuation();
}, appCache);
}
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