106 lines
1.9 KiB
C
106 lines
1.9 KiB
C
/*
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* libdect public API functions
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*
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* Copyright (c) 2009-2010 Patrick McHardy <kaber@trash.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/**
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* @defgroup init Initialization
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* @{
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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#include <libdect.h>
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#include <netlink.h>
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#include <utils.h>
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#include <lce.h>
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static struct dect_handle *dect_alloc_handle(struct dect_ops *ops)
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{
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struct dect_handle *dh;
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if (ops->malloc == NULL)
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ops->malloc = malloc;
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if (ops->free == NULL)
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ops->free = free;
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dh = ops->malloc(sizeof(*dh) + ops->priv_size);
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if (dh == NULL)
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return NULL;
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memset(dh, 0, sizeof(*dh) + ops->priv_size);
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dh->ops = ops;
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init_list_head(&dh->ldb);
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init_list_head(&dh->links);
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init_list_head(&dh->mme_list);
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return dh;
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}
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/**
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* Initialize the libdect subsystems and bind to a cluster
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*
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* @param ops DECT ops
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* @param cluster Cluster name
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*
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* @return a new libdect DECT handle or NULL on error.
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*/
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struct dect_handle *dect_open_handle(struct dect_ops *ops, const char *cluster)
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{
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struct dect_handle *dh;
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if (cluster == NULL)
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cluster = "cluster0";
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dh = dect_alloc_handle(ops);
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if (dh == NULL)
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goto err1;
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if (dect_netlink_init(dh, cluster) < 0)
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goto err2;
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if (dect_lce_init(dh) < 0)
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goto err3;
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return dh;
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err3:
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dect_netlink_exit(dh);
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err2:
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dect_free(dh, dh);
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err1:
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return NULL;
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}
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EXPORT_SYMBOL(dect_open_handle);
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/**
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* Unbind from a cluster and release the libdect DECT handle
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*
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* @param dh libdect DECT handle
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*/
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void dect_close_handle(struct dect_handle *dh)
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{
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dect_lce_exit(dh);
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dect_netlink_exit(dh);
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dect_free(dh, dh);
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}
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EXPORT_SYMBOL(dect_close_handle);
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void *dect_handle_priv(struct dect_handle *dh)
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{
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return dh->priv;
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}
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EXPORT_SYMBOL(dect_handle_priv);
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static void __init libdect_init(void)
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{
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srandom(time(NULL));
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}
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/** @} */
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