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FS-9775: Exclude newly created nodes from find

This commit is contained in:
colm 2016-12-23 11:45:17 -05:00 committed by Mike Jerris
parent f6a2908ea8
commit 4970c7e9a6
2 changed files with 28 additions and 6 deletions
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14
libs/libks/src/dht/ks_dht_bucket.c
View File

@ -377,6 +377,11 @@ KS_DECLARE(ks_status_t) ks_dhtrt_delete_node(ks_dhtrt_routetable_t *table, ks_dh
ks_rwl_read_unlock(internal->lock); /* release write lock */
/* at this point no subsequent find/query will return the node */
if (s == KS_STATUS_FAIL) {
ks_log(KS_LOG_DEBUG, "Delete node: node not found\n");
return KS_STATUS_FAIL; /* cannot delete what we cannot find */
}
ks_dhtrt_queue_node_fordelete(table, node);
return s;
}
@ -856,11 +861,13 @@ uint8_t ks_dhtrt_findclosest_locked_nodes(ks_dhtrt_routetable_t *table, ks_dhtrt
KS_DECLARE(ks_status_t) ks_dhtrt_release_node(ks_dht_node_t* node)
{
assert(node);
return ks_rwl_read_unlock(node->reflock);
}
KS_DECLARE(ks_status_t) ks_dhtrt_sharelock_node(ks_dht_node_t* node)
{
assert(node);
return ks_rwl_read_lock(node->reflock);
}
@ -1257,9 +1264,7 @@ void ks_dhtrt_split_bucket(ks_dhtrt_bucket_header_t *original,
if (ks_dhtrt_ismasked(source->entries[rix].id, left->mask)) {
/* move it to the left */
memcpy(dest->entries[lix].id, source->entries[rix].id, KS_DHT_NODEID_SIZE);
dest->entries[lix].gptr = source->entries[rix].gptr;
dest->entries[lix].inuse = 1;
memcpy(&dest->entries[lix], &source->entries[rix], sizeof(ks_dhtrt_bucket_entry_t));
++lix;
++dest->count;
@ -1371,7 +1376,8 @@ ks_dht_node_t *ks_dhtrt_find_nodeid(ks_dhtrt_bucket_t *bucket, ks_dhtrt_nodeid_t
bucket->entries[ix].inuse );
}
#endif
if ( bucket->entries[ix].inuse == 1 &&
if ( bucket->entries[ix].inuse == 1 &&
bucket->entries[ix].flags == DHTPEER_ACTIVE &&
(!memcmp(id, bucket->entries[ix].id, KS_DHT_NODEID_SIZE)) ) {
return bucket->entries[ix].gptr;
}

20
libs/libks/test/testbuckets.c
View File

@ -52,11 +52,19 @@ void test01()
}
peer = ks_dhtrt_find_node(rt, homeid);
if (peer == 0) {
printf("*** ks_dhtrt_find_node test01 failed \n"); fflush(stdout);
if (peer != 0) {
printf("*** ks_dhtrt_find_node test01 failed. find should fail\n"); fflush(stdout);
exit(102);
}
ks_dhtrt_touch_node(rt, homeid);
peer = ks_dhtrt_find_node(rt, homeid);
if (peer == 0) {
printf("*** ks_dhtrt_find_node test01 failed. find should succeed\n"); fflush(stdout);
exit(102);
}
status = ks_dhtrt_create_node(rt, homeid, KS_DHT_LOCAL, ip, port, &peer1);
if (status == KS_STATUS_FAIL) {
printf("**** ks_dhtrt_create_node test01 did allow duplicate createnodes!!\n");
@ -325,6 +333,7 @@ void test05()
unsigned short port = 7001;
ks_dhtrt_create_node(rt, nodeid, KS_DHT_REMOTE, ipv4, port, &peer);
ks_dhtrt_touch_node(rt, nodeid);
peer1 = ks_dhtrt_find_node(rt, nodeid);
printf("test05 - first find compelete\n"); fflush(stdout);
@ -341,6 +350,10 @@ void test05()
s = ks_dhtrt_release_node(peer2);
if (s == KS_STATUS_FAIL) printf("release 1 failed\n");
s = ks_dhtrt_release_node(peer2);
if (s == KS_STATUS_FAIL) printf("release 1 failed\n");
printf("* **testbuckets - test05 finished\n\n\n"); fflush(stdout);
return;
@ -440,6 +453,7 @@ void test07()
for(int i0=0, i1=0; i0<150; ++i0, ++i1) {
if (i0%20 == 0) {
g_nodeid2.id[0]>>=1;
ks_dhtrt_dump(rt, 7);
}
else {
++ g_nodeid2.id[19];
@ -449,6 +463,8 @@ void test07()
ks_dhtrt_release_node(peer);
}
ks_dhtrt_dump(rt, 7);
memset(g_nodeid2.id, 0xef, KS_DHT_NODEID_SIZE);
for (int i0=0, i1=0; i0<150; ++i0, ++i1) {
if (i0%20 == 0) {