Moved client registry into own separate UUID-tree datatype, added client registry struct, migrated dependencies

This commit is contained in:
Michael Jumper
2010-09-18 23:56:48 -07:00
parent 7cc239b940
commit e709beb144
7 changed files with 273 additions and 180 deletions

View File

@@ -22,6 +22,7 @@
#include <png.h>
#include <uuid/uuid.h>
#include "uuidtree.h"
#include "guacio.h"
@@ -32,7 +33,7 @@
*/
typedef struct guac_client guac_client;
typedef struct guac_client_registry_node guac_client_registry_node;
typedef struct guac_client_registry guac_client_registry;
typedef void guac_client_handle_messages(guac_client* client);
typedef void guac_client_mouse_handler(guac_client* client, int x, int y, int button_mask);
@@ -188,7 +189,7 @@ typedef void guac_client_init_handler(guac_client* client, int argc, char** argv
* @param argv The arguments being passed to this client.
* @return A pointer to the newly initialized (or found) client.
*/
guac_client* guac_get_client(int client_fd, guac_client_registry_node* registry, guac_client_init_handler* client_init, int argc, char** argv);
guac_client* guac_get_client(int client_fd, guac_client_registry* registry, guac_client_init_handler* client_init, int argc, char** argv);
/**
* Enter the main network message handling loop for the given client.
@@ -203,7 +204,7 @@ void guac_start_client(guac_client* client);
* @param client The proxy client to free all reasources of.
* @param registry The registry to remove this client from when freed.
*/
void guac_free_client(guac_client* client, guac_client_registry_node* registry);
void guac_free_client(guac_client* client, guac_client_registry* registry);
/**
* Allocate a libpng-compatible buffer to hold raw image data.
@@ -226,66 +227,22 @@ void guac_free_png_buffer(png_byte** png_buffer, int h);
/**
* Represents a single node of the Guacamole client registry. The
* Guacamole client registry contains references to all active clients,
* indexed by client UUID.
* Represent the Guacamole "client registry" in which all
* currently connected clients are stored, indexed by UUID.
*/
struct guac_client_registry_node {
struct guac_client_registry {
/**
* The number of pointers used inside the next array.
* Root of the uuid tree
*/
int used;
/**
* The next guac_client_registry_node if currently looking at any byte
* of the UUID except the last, or the guac_client if looking at the
* last byte of the UUID.
*/
void* next[256];
guac_uuid_tree_node* root;
};
/**
* Registers the given client in the client registry by that client's UUID.
*
* @param registry The registry to register the client within.
* @param client The client to register.
*/
void guac_register_client(guac_client_registry_node* registry, guac_client* client);
/**
* Returns the client from the client registry associated with the given UUID.
*
* @param registry The registry to search.
* @param uuid The uuid of the client to lookup.
* @return The client, if found, or NULL if no such client has been registered.
*/
guac_client* guac_find_client(guac_client_registry_node* registry, uuid_t uuid);
/**
* Removes the given client from the client registry.
*
* @param registry The registry to remove the client from.
* @param client The client to remove.
*/
void guac_remove_client(guac_client_registry_node* registry, guac_client* client);
/**
* Creates a new client registry.
*
* @return The newly allocated and initialized registry.
*/
guac_client_registry_node* guac_create_client_registry();
/**
* Frees all memory associated with the given client registry.
*
* @param registry The registry to clean up.
*/
void guac_cleanup_client_registry(guac_client_registry_node* registry);
guac_client_registry* guac_create_client_registry();
void guac_register_client(guac_client_registry* registry, guac_client* client);
guac_client* guac_find_client(guac_client_registry* registry, uuid_t uuid);
void guac_remove_client(guac_client_registry* registry, uuid_t uuid);
void guac_cleanup_registry(guac_client_registry* registry);
#endif

View File

@@ -0,0 +1,52 @@
/*
* Guacamole - Clientless Remote Desktop
* Copyright (C) 2010 Michael Jumper
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _UUIDTREE_H
#define _UUIDTREE_H
#include <uuid/uuid.h>
typedef struct guac_uuid_tree_node guac_uuid_tree_node;
/**
* Represents a single node of a tree storing objects by UUID.
*/
struct guac_uuid_tree_node {
/**
* The number of pointers used inside the next array.
*/
int used;
/**
* The next guac_uuid_tree_node if currently looking at any byte
* of the UUID except the last, or the stored object if looking at the
* last byte of the UUID.
*/
void* next[256];
};
guac_uuid_tree_node* guac_create_uuid_tree();
void guac_uuid_tree_put(guac_uuid_tree_node* tree, uuid_t uuid, void* obj);
void* guac_uuid_tree_get(guac_uuid_tree_node* tree, uuid_t uuid);
void guac_uuid_tree_remove(guac_uuid_tree_node* tree, uuid_t uuid);
void guac_cleanup_uuid_tree(guac_uuid_tree_node* tree);
#endif