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Code Issues Wiki

utils: added some hash/equal functions

personal/stbuehler/wip
Stefan Bühler 2009-10-17 23:50:21 +02:00
parent 22d5b62336
commit a25d0f81d0
2 changed files with 27 additions and 9 deletions
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4
include/lighttpd/utils.h
View File

@ -54,10 +54,14 @@ LI_API gchar *li_ev_backend_string(guint backend);
LI_API void li_string_destroy_notify(gpointer str);
LI_API guint li_hash_binary_len(gconstpointer data, gsize len);
/* expects a pointer to a 32bit value */
LI_API guint li_hash_ipv4(gconstpointer key);
/* expects a pointer to a 128bit value */
LI_API guint li_hash_ipv6(gconstpointer key);
/* expects liSocketAddress* */
LI_API guint li_hash_sockaddr(gconstpointer key);
LI_API gboolean li_equal_sockaddr(gconstpointer key1, gconstpointer key2);
/* converts a sock_addr to a human readable string. ipv4 and ipv6 supported. if dest is NULL, a new string will be allocated */
LI_API GString *li_sockaddr_to_string(liSocketAddress addr, GString *dest, gboolean showport);

32
src/common/utils.c
View File

@ -481,13 +481,13 @@ GString *li_counter_format(guint64 count, liCounterType t, GString *dest) {
gchar *li_ev_backend_string(guint backend) {
switch (backend) {
case EVBACKEND_SELECT: return "select";
case EVBACKEND_POLL: return "poll";
case EVBACKEND_EPOLL: return "epoll";
case EVBACKEND_KQUEUE: return "kqueue";
case EVBACKEND_DEVPOLL: return "devpoll";
case EVBACKEND_PORT: return "port";
default: return "unknown";
case EVBACKEND_SELECT: return "select";
case EVBACKEND_POLL: return "poll";
case EVBACKEND_EPOLL: return "epoll";
case EVBACKEND_KQUEUE: return "kqueue";
case EVBACKEND_DEVPOLL: return "devpoll";
case EVBACKEND_PORT: return "port";
default: return "unknown";
}
}
@ -496,16 +496,30 @@ void li_string_destroy_notify(gpointer str) {
g_string_free((GString*)str, TRUE);
}
guint li_hash_binary_len(gconstpointer data, gsize len) {
GString str = li_const_gstring(data, len);
return g_string_hash(&str);
}
guint li_hash_ipv4(gconstpointer key) {
return *((guint*)key) * 2654435761;
}
guint li_hash_ipv6(gconstpointer key) {
guint *i = ((guint*)key);
return (i[0] ^ i[1] ^ i[2] ^ i[3]) * 2654435761;
return li_hash_binary_len(key, 16);
}
guint li_hash_sockaddr(gconstpointer key) {
const liSocketAddress *addr = key;
return li_hash_binary_len(addr->addr, addr->len);
}
gboolean li_equal_sockaddr(gconstpointer key1, gconstpointer key2) {
const liSocketAddress *addr1 = key1, *addr2 = key2;
if (addr1->len != addr2->len) return FALSE;
if (addr1->addr == addr2->addr) return TRUE;
if (!addr1->addr || !addr2->addr) return FALSE;
return 0 == memcmp(addr1->addr, addr2->addr, addr1->len);
}
GString *li_sockaddr_to_string(liSocketAddress addr, GString *dest, gboolean showport) {
gchar *p;