static int add_context(const struct nodeID *local,
struct cloud_helper_context *ctx)
{
int i;
struct ctx_map_entry *entry;
/* Checks whether the queue is already initialized */
if (ctx_map == NULL) {
ctx_map = fifo_queue_create(CLOUD_HELPER_INITAIL_INSTANCES);
if (!ctx_map) {
return 1;
}
}
/* Check if the node is already present in the ctx_map */
for (i=0; i<fifo_queue_size(ctx_map); i++) {
entry = fifo_queue_get(ctx_map, i);
if (nodeid_equal(entry->node, local)) {
return 1;
}
}
/* Add the new entry to the ctx_map */
entry = malloc(sizeof(struct ctx_map_entry));
if (!entry) {
return 1;
}
entry->node = local;
entry->cloud_ctx = ctx;
if (fifo_queue_add(ctx_map, entry) != 0) {
free (entry);
return 1;
}
return 0;
}
void fifo_queue_clear(struct fifo_queue* fq) {
free(fq);
fq = fifo_queue_create();
}