74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
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/*
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* Copyright (C) 2014 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef _GUACD_CLIENT_MAP_H
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#define _GUACD_CLIENT_MAP_H
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#include "config.h"
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#include "client.h"
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#include "guac_list.h"
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#include <guacamole/client.h>
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#define GUACD_CLIENT_MAP_BUCKETS GUACD_CLIENT_MAX_CONNECTIONS*2
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/**
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* Set of all active connections to guacd, indexed by connection ID.
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*/
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typedef struct guacd_client_map {
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/**
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* Internal hash buckets. Each bucket is a linked list containing all
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* guac_client instances which hash to this bucket location.
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*/
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guac_common_list* __buckets[GUACD_CLIENT_MAP_BUCKETS];
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} guacd_client_map;
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/**
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* Allocates a new client map, which persists for the life of guacd.
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*/
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guacd_client_map* guacd_client_map_alloc();
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/**
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* Adds the given client to the given client map. On success, zero is returned.
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* If adding the client fails (due to lack of space, or duplicate ID), a
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* non-zero value is returned instead.
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*/
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int guacd_client_map_add(guacd_client_map* map, guac_client* client);
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/**
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* Retrieves the client having the given ID, or NULL if no such client
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* is stored.
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*/
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guac_client* guacd_client_map_retrieve(guacd_client_map* map, const char* id);
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/**
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* Removes the client having the given ID, returning the corresponding client.
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* If no such client exists, NULL is returned.
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*/
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guac_client* guacd_client_map_remove(guacd_client_map* map, const char* id);
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#endif
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