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authorTom Gundersen <teg@jklm.no>2014-05-25 22:07:53 +0200
committerTom Gundersen <teg@jklm.no>2014-06-13 17:07:19 +0200
commit87322b3aee0dc649ff1ae7a403dcc9d7305baba2 (patch)
tree9b21f3cdfab26e64a8baf737ea4eb35afa3652fd /src/libsystemd-network/dhcp-server-internal.h
parentc7d9ffe6d629cb5b34dd749e4a88b190b11a0f48 (diff)
sd-dhcp-server: track bound leases
Make sure we don't hand out the same IP twice. We still don't handle lease expiry.
Diffstat (limited to 'src/libsystemd-network/dhcp-server-internal.h')
-rw-r--r--src/libsystemd-network/dhcp-server-internal.h25
1 files changed, 20 insertions, 5 deletions
diff --git a/src/libsystemd-network/dhcp-server-internal.h b/src/libsystemd-network/dhcp-server-internal.h
index ce2e260945..7fe7253fdb 100644
--- a/src/libsystemd-network/dhcp-server-internal.h
+++ b/src/libsystemd-network/dhcp-server-internal.h
@@ -23,12 +23,25 @@
#include "sd-event.h"
#include "sd-dhcp-server.h"
+#include "hashmap.h"
#include "refcnt.h"
#include "util.h"
#include "log.h"
#include "dhcp-internal.h"
+typedef struct DHCPClientId {
+ size_t length;
+ uint8_t *data;
+} DHCPClientId;
+
+typedef struct DHCPLease {
+ DHCPClientId client_id;
+
+ be32_t address;
+ usec_t expiration;
+} DHCPLease;
+
struct sd_dhcp_server {
RefCount n_ref;
@@ -42,12 +55,11 @@ struct sd_dhcp_server {
be32_t address;
be32_t pool_start;
size_t pool_size;
-};
+ size_t next_offer;
-typedef struct DHCPClientId {
- size_t length;
- uint8_t *data;
-} DHCPClientId;
+ Hashmap *leases_by_client_id;
+ DHCPLease **bound_leases;
+};
typedef struct DHCPRequest {
/* received message */
@@ -71,3 +83,6 @@ int dhcp_server_handle_message(sd_dhcp_server *server, DHCPMessage *message,
int dhcp_server_send_packet(sd_dhcp_server *server,
DHCPRequest *req, DHCPPacket *packet,
int type, size_t optoffset);
+
+unsigned long client_id_hash_func(const void *p, const uint8_t hash_key[HASH_KEY_SIZE]);
+int client_id_compare_func(const void *_a, const void *_b);