diff options
Diffstat (limited to 'services/resources.esp')
| -rw-r--r-- | services/resources.esp | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/services/resources.esp b/services/resources.esp deleted file mode 100644 index b5c4bd3b3d..0000000000 --- a/services/resources.esp +++ /dev/null @@ -1,171 +0,0 @@ -<% - -/* - * Various JSON-RPC calls will want to maintain open resources within a - * session, across multiple calls. We'll provide a standardized way to - * maintain those open resources here, with some protection against rogue - * scripts. - */ - -function _resourcesCreate() -{ - /* The being-created resources object */ - var o = new Object(); - - /* - * The maximum number of resources available to a single session. This - * should be more than is ever needed (even by reasonable recursive - * functions) but limits rogue scripts ability to generate DOS attacks. - */ - o.RESOURCE_LIMIT = 100; - - /* List of current resources */ - o.resourceList = new Object(); - - /* Resource id values will be constantly incrementing; never reset. */ - o.resourceList.id = 0; - - /* We'll maintain our own count of the number of open resources */ - o.resourceList.count = 0; - - - /* - * Set a new saved resource. - */ - function _set(resource, type, error) - { - /* Do they already have the maximum number of resources allocated? */ - if (this.resourceList.count >= this.RESOURCE_LIMIT) - { - /* Yup. */ - error.setOrigin(jsonrpc.Constant.ErrorOrigin.Server); - error.setError(jsonrpc.Constant.ServerError.ResourceError, - "Session limit on resources (" + - RESOURCE_LIMIT + - ") exceeded."); - return error; - } - - /* Allocate an object to hold the new resource and its type */ - var r = new Object(); - - /* Save the resource and its type */ - r.resource = resource; - r.type = type; - r.id = this.resourceList.id; - - /* Add this resource to the list */ - this.resourceList[this.resourceList.id] = r; - - /* There's a new resource in the list! */ - this.resourceList.count++; - - /* - * Return the index of the resource, its resource id, and advance to - * the next resource id for next time. - */ - var id = this.resourceList.id; - this.resourceList.id++; - return id; - } - o.set = _set; - - /* - * Get a previously-saved resource - */ - function _get(resourceId, error) - { - /* Does the specified resource id exist? */ - if (! this.resourceList[resourceId]) - { - /* Nope. */ - error.setOrigin(jsonrpc.Constant.ErrorOrigin.Server); - error.setError(jsonrpc.Constant.ServerError.ResourceError, - "Resource not found."); - return error; - } - - /* Retrieve the resource */ - var r = this.resourceList[resourceId]; - - /* Give 'em what they came for! */ - return r.resource; - } - o.get = _get; - - /* - * Find a previously-saved resource - */ - function _find(type, error) - { - /* Does the specified resource id exist? */ - for (var resourceId in this.resourceList) - { - /* Retrieve the resource */ - var r = this.resourceList[resourceId]; - - /* Ignore "id" and "count" integer fields */ - if (typeof(r) == "object") - { - /* Is the specified resource the correct type? */ - if (r.type == type) - { - /* Yup, this is the one they want. */ - return r.id; - } - } - } - - /* It wasn't found. */ - return undefined; - } - o.find = _find; - - /* - * Release a previously-saved resource, allowing it to be freed - */ - function _release(resourceId, error) - { - /* Does the specified resource id exist? */ - if (! this.resourceList[resourceId]) - { - /* Nope. */ - error.setOrigin(jsonrpc.Constant.ErrorOrigin.Server); - error.setError(jsonrpc.Constant.ServerError.ResourceError, - "Resource not found."); - return error; - } - - /* It exists. Delete it. */ - delete this.resourceList[resourceId]; - - /* There's now one fewer resources in the list */ - this.resourceList.count--; - } - o.release = _release; - - /* - * Retrieve the list of resources (for debugging) */ - */ - function _getList(error) - { - return this.resourceList; - } - o.getList = _getList; - - return o; -} - -/* singleton: create session resources list */ -if (! session.resources) -{ - session.resources = _resourcesCreate(); -} - - -/* - * Local Variables: - * mode: c - * End: - */ -%> |