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grapes / src / Cache / ncast_proto.c @ b8047447

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/*
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 *  Copyright (c) 2010 Luca Abeni
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 *
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 *  This is free software; see lgpl-2.1.txt
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 */
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "net_helper.h"
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#include "topocache.h"
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#include "proto.h"
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#include "topo_proto.h"
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#include "ncast_proto.h"
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#include "grapes_msg_types.h"
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struct ncast_proto_context {
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  struct topo_context *context;
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};
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struct ncast_proto_context* ncast_proto_init(struct nodeID *s, const void *meta, int meta_size)
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{
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  struct ncast_proto_context *con;
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  con = malloc(sizeof(struct ncast_proto_context));
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  if (!con) return NULL;
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  con->context = topo_proto_init(s, meta, meta_size);
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  if (!con->context){
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    free(con);
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    return NULL;
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  }
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  return con;
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}
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int ncast_reply(struct ncast_proto_context *context, const struct peer_cache *c, const struct peer_cache *local_cache)
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{
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  int ret;
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  struct peer_cache *send_cache;
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  send_cache = cache_copy(local_cache);
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  cache_update(send_cache);
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  ret = topo_reply(context->context, c, send_cache, MSG_TYPE_TOPOLOGY, NCAST_REPLY, 0, 1);
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  cache_free(send_cache);
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  return ret;
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}
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int ncast_query_peer(struct ncast_proto_context *context, const struct peer_cache *local_cache, struct nodeID *dst)
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{
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  return topo_query_peer(context->context, local_cache, dst, MSG_TYPE_TOPOLOGY, NCAST_QUERY, 0);
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}
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int ncast_query(struct ncast_proto_context *context, const struct peer_cache *local_cache)
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{
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  struct nodeID *dst;
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  dst = rand_peer(local_cache, NULL, 0);
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  if (dst == NULL) {
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    return 0;
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  }
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  return topo_query_peer(context->context, local_cache, dst, MSG_TYPE_TOPOLOGY, NCAST_QUERY, 0);
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}
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int ncast_proto_metadata_update(struct ncast_proto_context *context, const void *meta, int meta_size){
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  return topo_proto_metadata_update(context->context, meta, meta_size);
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}