X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/570d0d53855b9121b29c94bd20206e2158130997..38e422ebb66c5de3811adce8b675ba5415d598b9:/cluster.c diff --git a/cluster.c b/cluster.c index 39a0db2..14b994a 100644 --- a/cluster.c +++ b/cluster.c @@ -1,6 +1,6 @@ // L2TPNS Clustering Stuff -char const *cvs_id_cluster = "$Id: cluster.c,v 1.8 2004/07/08 16:54:35 bodea Exp $"; +char const *cvs_id_cluster = "$Id: cluster.c,v 1.9 2004/07/11 07:57:35 bodea Exp $"; #include #include @@ -911,12 +911,25 @@ int cluster_catchup_slave(int seq, u32 slave) // We've heard from another peer! Add it to the list // that we select from at election time. // -int cluster_add_peer(u32 peer, time_t basetime, pingt *p) +int cluster_add_peer(u32 peer, time_t basetime, pingt *pp, int size) { int i; u32 clusterid; + pingt p; + - clusterid = p->addr; + // Allow for backward compatability. + // Just the ping packet into a new structure to allow + // for the possibility that we might have received + // more or fewer elements than we were expecting. + if (size > sizeof(p)) + size = sizeof(p); + + memset( (void*) &p, 0, sizeof(p) ); + memcpy( (void*) &p, (void*) pp, size); + + + clusterid = p.addr; if (clusterid != config->bind_address) { // Is this for us? @@ -932,7 +945,7 @@ int cluster_add_peer(u32 peer, time_t basetime, pingt *p) // This peer already exists. Just update the timestamp. peers[i].basetime = basetime; peers[i].timestamp = TIME; - peers[i].uptodate = !p->undef; + peers[i].uptodate = !p.undef; break; } @@ -969,7 +982,7 @@ int cluster_add_peer(u32 peer, time_t basetime, pingt *p) peers[i].peer = peer; peers[i].basetime = basetime; peers[i].timestamp = TIME; - peers[i].uptodate = !p->undef; + peers[i].uptodate = !p.undef; if (i == num_peers) ++num_peers; @@ -1297,7 +1310,7 @@ int processcluster(char * data, int size, u32 addr) switch (type) { case C_PING: // Update the peers table. - return cluster_add_peer(addr, more, (pingt*)p); + return cluster_add_peer(addr, more, (pingt*)p, s); case C_LASTSEEN: // Catch up a slave (slave missed a packet). return cluster_catchup_slave(more, addr);