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dhcpd: remember and record hostnames; optimize get_option

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dumpleases: show hostnames

function                                             old     new   delta
add_lease                                            230     292     +62
send_offer                                           403     421     +18
send_ACK                                             232     249     +17
read_leases                                          249     258      +9
dumpleases_main                                      604     609      +5
nobody_responds_to_arp                                84      86      +2
udhcp_end_option                                      32      30      -2
udhcp_get_option                                     222     171     -51
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 6/2 up/down: 113/-53)            Total: 60 bytes
This commit is contained in:
Denis Vlasenko
2009-04-01 12:36:09 +00:00
parent 3266aa9ec2
commit bd79c3d337
8 changed files with 145 additions and 120 deletions
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9
networking/udhcp/serverpacket.c
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@ -105,7 +105,7 @@ int FAST_FUNC send_offer(struct dhcpMessage *oldpacket)
uint32_t req_align;
uint32_t lease_time_aligned = server_config.lease;
uint32_t static_lease_ip;
uint8_t *req, *lease_time;
uint8_t *req, *lease_time, *p_host_name;
struct option_set *curr;
struct in_addr addr;
@ -146,7 +146,8 @@ int FAST_FUNC send_offer(struct dhcpMessage *oldpacket)
bb_error_msg("no IP addresses to give - OFFER abandoned");
return -1;
}
if (!add_lease(packet.chaddr, packet.yiaddr, server_config.offer_time)) {
p_host_name = get_option(oldpacket, DHCP_HOST_NAME);
if (!add_lease(packet.chaddr, packet.yiaddr, server_config.offer_time, p_host_name)) {
bb_error_msg("lease pool is full - OFFER abandoned");
return -1;
}
@ -201,6 +202,7 @@ int FAST_FUNC send_ACK(struct dhcpMessage *oldpacket, uint32_t yiaddr)
uint8_t *lease_time;
uint32_t lease_time_aligned = server_config.lease;
struct in_addr addr;
uint8_t *p_host_name;
init_packet(&packet, oldpacket, DHCPACK);
packet.yiaddr = yiaddr;
@ -232,7 +234,8 @@ int FAST_FUNC send_ACK(struct dhcpMessage *oldpacket, uint32_t yiaddr)
if (send_packet(&packet, 0) < 0)
return -1;
add_lease(packet.chaddr, packet.yiaddr, lease_time_aligned);
p_host_name = get_option(oldpacket, DHCP_HOST_NAME);
add_lease(packet.chaddr, packet.yiaddr, lease_time_aligned, p_host_name);
if (ENABLE_FEATURE_UDHCPD_WRITE_LEASES_EARLY) {
/* rewrite the file with leases at every new acceptance */
write_leases();