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Added client registry, added GUACIO transfer operation

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This commit is contained in:
Michael Jumper
2010-09-18 00:21:49 -07:00
parent 96b94f60e9
commit 16d335aa19
5 changed files with 217 additions and 7 deletions
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131
guacamole/libguac/client.c
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@@ -27,6 +27,122 @@
#include "client.h"
guac_client_registry_node* guac_create_client_registry() {
guac_client_registry_node* registry = malloc(sizeof(guac_client_registry_node));
registry->used = 0;
memset(registry->next, 0, sizeof(registry->next));
return registry;
}
void guac_register_client(guac_client_registry_node* registry, guac_client* client) {
guac_client_registry_node* current = registry;
int i;
unsigned char index;
for (i=0; i<sizeof(uuid_t)-1; i++) {
guac_client_registry_node* next;
/* Get next registry node */
index = ((unsigned char*) client->uuid)[i];
next = ((guac_client_registry_node**) current->next)[index];
/* If no node, allocate one */
if (next == NULL) {
current->used++;
next = guac_create_client_registry();
((guac_client_registry_node**) current->next)[index] = next;
}
current = next;
}
/* Register client */
index = ((unsigned char*) client->uuid)[i];
((guac_client**) current->next)[index] = client;
}
guac_client* guac_find_client(guac_client_registry_node* registry, uuid_t uuid) {
guac_client_registry_node* current = registry;
int i;
unsigned char index;
for (i=0; i<sizeof(uuid_t)-1; i++) {
/* Get next registry node */
index = ((unsigned char*) uuid)[i];
current = ((guac_client_registry_node**) current->next)[index];
/* If no node, client not registered */
if (current == NULL)
return NULL;
}
/* Return client found (if any) */
index = ((unsigned char*) uuid)[i];
return ((guac_client**) current->next)[index];
}
void guac_remove_client(guac_client_registry_node* registry, guac_client* client) {
guac_client_registry_node* current = registry;
int i;
unsigned char index;
for (i=0; i<sizeof(uuid_t)-1; i++) {
/* Get next registry node */
index = ((unsigned char*) client->uuid)[i];
current = ((guac_client_registry_node**) current->next)[index];
/* If no node, client not registered */
if (current == NULL)
return;
}
/* Remove client, if registered */
if (((guac_client**) current->next)[index]) {
((guac_client**) current->next)[index] = NULL;
current->used--;
/* FIXME: If no more clients at this node, clean up */
if (current->used == 0) {
/* STUB */
}
}
}
void guac_cleanup_client_registry(guac_client_registry_node* registry) {
int i;
for (i=0; i<sizeof(registry->next); i++) {
if (registry->next[i] != NULL) {
guac_cleanup_client_registry(registry->next[i]);
registry->next[i] = NULL;
}
}
free(registry);
}
png_byte** guac_alloc_png_buffer(int w, int h, int bpp) {
png_byte** png_buffer;
@@ -67,7 +183,7 @@ guac_client* __guac_alloc_client(GUACIO* io) {
}
guac_client* guac_get_client(int client_fd, guac_client_init_handler* client_init, const char* hostname, int port) {
guac_client* guac_get_client(int client_fd, guac_client_registry_node* registry, guac_client_init_handler* client_init, const char* hostname, int port) {
guac_client* client;
GUACIO* io = guac_open(client_fd);
@@ -83,7 +199,15 @@ guac_client* guac_get_client(int client_fd, guac_client_init_handler* client_ini
/* connect -> create new client connection */
if (strcmp(instruction.opcode, "connect") == 0) {
/* Create new client */
client = __guac_alloc_client(io);
/* Register client */
if (registry)
guac_register_client(registry, client);
/* Send UUID to web-client */
guac_send_uuid(io, client->uuid);
break;
}
@@ -105,12 +229,15 @@ guac_client* guac_get_client(int client_fd, guac_client_init_handler* client_ini
}
void guac_free_client(guac_client* client) {
void guac_free_client(guac_client* client, guac_client_registry_node* registry) {
if (client->free_handler)
client->free_handler(client);
guac_close(client->io);
guac_remove_client(registry, client);
free(client);
}