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Ignore whitespace Rev 2877 → Rev 2878

/branches/tracing/uspace/app/sctrace/proto.c
0,0 → 1,87
/** @addtogroup sctrace
* @{
*/
/** @file
*/
 
#include <stdio.h>
#include <stdlib.h>
#include <libadt/hash_table.h>
 
#include "proto.h"
 
#define SRV_PROTO_TABLE_CHAINS 32
 
hash_table_t srv_proto;
 
typedef struct {
int srv;
proto_t *proto;
link_t link;
} srv_proto_t;
 
hash_index_t srv_proto_hash(unsigned long key[])
{
return key[0] % SRV_PROTO_TABLE_CHAINS;
}
 
int srv_proto_compare(unsigned long key[], hash_count_t keys,
link_t *item)
{
srv_proto_t *sp;
 
sp = hash_table_get_instance(item, srv_proto_t, link);
 
return key[0] == sp->srv;
}
 
void srv_proto_remove_callback(link_t *item)
{
}
 
hash_table_operations_t srv_proto_ops = {
.hash = srv_proto_hash,
.compare = srv_proto_compare,
.remove_callback = srv_proto_remove_callback
};
 
void proto_init(void)
{
hash_table_create(&srv_proto, SRV_PROTO_TABLE_CHAINS, 1,
&srv_proto_ops);
}
 
void proto_cleanup(void)
{
hash_table_destroy(&srv_proto);
}
 
void proto_register(int srv, proto_t *proto)
{
srv_proto_t *sp;
unsigned long key;
 
sp = malloc(sizeof(srv_proto_t));
sp->srv = srv;
sp->proto = proto;
key = srv;
 
hash_table_insert(&srv_proto, &key, &sp->link);
}
 
proto_t *proto_get_by_srv(int srv)
{
unsigned long key;
link_t *item;
srv_proto_t *sp;
 
key = srv;
item = hash_table_find(&srv_proto, &key);
if (item == NULL) return NULL;
 
sp = hash_table_get_instance(item, srv_proto_t, link);
return sp->proto;
}
 
/** @}
*/