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added pool statistics (size, online, lease count, with usage ratio)

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This commit is contained in:
Martin Willi
2008-06-04 14:01:44 +00:00
parent f3e11fc478
commit 2ba1f9e761
1 changed files with 36 additions and 5 deletions
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src/charon/plugins/sql/pool.c
+36 -5
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@@ -43,6 +43,22 @@ static host_t *host_create_from_blob(chunk_t blob)
return host_create_from_chunk(blob.len == 4 ? AF_INET : AF_INET6, blob, 0);
}
/**
* calculate the size of a pool using start and end address chunk
*/
static u_int get_pool_size(chunk_t start, chunk_t end)
{
u_int *start_ptr, *end_ptr;
if (start.len < sizeof(u_int) || end.len < sizeof(u_int))
{
return 0;
}
start_ptr = (u_int*)(start.ptr + start.len - sizeof(u_int));
end_ptr = (u_int*)(end.ptr + end.len - sizeof(u_int));
return ntohl(*end_ptr) - ntohl(*start_ptr) + 1;
}
/**
* print usage info
*/
@@ -99,20 +115,21 @@ static void status(void)
char *name;
chunk_t start_chunk, end_chunk;
host_t *start, *end;
u_int id, timeout, online = 0;
u_int id, timeout, online = 0, used = 0, size = 0;
while (pool->enumerate(pool, &id, &name,
&start_chunk, &end_chunk, &timeout))
{
if (!found)
{
printf("%8s %15s %15s %8s %6s\n",
"name", "start", "end", "lease", "online");
printf("%8s %15s %15s %8s %4s %11s %11s\n",
"name", "start", "end", "timeout", "size", "online", "leases");
found = TRUE;
}
start = host_create_from_blob(start_chunk);
end = host_create_from_blob(end_chunk);
size = get_pool_size(start_chunk, end_chunk);
printf("%8s %15H %15H ", name, start, end);
if (timeout)
{
@@ -122,7 +139,8 @@ static void status(void)
{
printf("%8s ", "static");
}
printf("%4d ", size);
/* get number of online hosts */
lease = db->query(db, "SELECT COUNT(*) FROM leases "
"WHERE pool = ? AND released IS NULL",
DB_UINT, id, DB_INT);
@@ -131,8 +149,21 @@ static void status(void)
lease->enumerate(lease, &online);
lease->destroy(lease);
}
printf("%6d\n", online);
printf("%5d (%2d%%) ", online, online*100/size);
/* get number of online or valid lieases */
lease = db->query(db, "SELECT COUNT(*) FROM leases JOIN pools "
"ON leases.pool = pools.id "
"WHERE pools.id = ? "
"AND (released IS NULL OR released > ? - timeout) ",
DB_UINT, id, DB_UINT, time(NULL), DB_UINT);
if (lease)
{
lease->enumerate(lease, &used);
lease->destroy(lease);
}
printf("%5d (%2d%%) ", used, used*100/size);
printf("\n");
DESTROY_IF(start);
DESTROY_IF(end);
}