4 #include <sys/socket.h>
10 flxKey *flx_key_new(const gchar *name, guint16 class, guint16 type) {
16 k->name = flx_normalize_name(name);
20 /* g_message("%p %% ref=1", k); */
25 flxKey *flx_key_ref(flxKey *k) {
27 g_assert(k->ref >= 1);
31 /* g_message("%p ++ ref=%i", k, k->ref); */
36 void flx_key_unref(flxKey *k) {
38 g_assert(k->ref >= 1);
40 /* g_message("%p -- ref=%i", k, k->ref-1); */
42 if ((--k->ref) <= 0) {
48 flxRecord *flx_record_new(flxKey *k, gconstpointer data, guint16 size, guint32 ttl) {
55 r = g_new(flxRecord, 1);
57 r->key = flx_key_ref(k);
58 r->data = g_memdup(data, size);
65 flxRecord *flx_record_new_full(const gchar *name, guint16 class, guint16 type, gconstpointer data, guint16 size, guint32 ttl) {
69 k = flx_key_new(name, class, type);
70 r = flx_record_new(k, data, size, ttl);
76 flxRecord *flx_record_ref(flxRecord *r) {
78 g_assert(r->ref >= 1);
84 void flx_record_unref(flxRecord *r) {
86 g_assert(r->ref >= 1);
88 if ((--r->ref) <= 0) {
89 flx_key_unref(r->key);
95 const gchar *flx_dns_class_to_string(guint16 class) {
96 if (class == FLX_DNS_CLASS_IN)
102 const gchar *flx_dns_type_to_string(guint16 type) {
104 case FLX_DNS_TYPE_CNAME:
108 case FLX_DNS_TYPE_AAAA:
110 case FLX_DNS_TYPE_PTR:
112 case FLX_DNS_TYPE_HINFO:
114 case FLX_DNS_TYPE_TXT:
116 case FLX_DNS_TYPE_SRV:
124 gchar *flx_key_to_string(flxKey *k) {
125 return g_strdup_printf("%s\t%s\t%s",
127 flx_dns_class_to_string(k->class),
128 flx_dns_type_to_string(k->type));
131 gchar *flx_record_to_string(flxRecord *r) {
133 char t[257] = "<unparsable>";
135 switch (r->key->type) {
137 inet_ntop(AF_INET, r->data, t, sizeof(t));
140 case FLX_DNS_TYPE_AAAA:
141 inet_ntop(AF_INET6, r->data, t, sizeof(t));
144 case FLX_DNS_TYPE_PTR: {
151 memcpy(t, r->data, l);
156 case FLX_DNS_TYPE_TXT: {
157 g_assert(((guchar*) r->data)[0] == r->size-1);
159 memcpy(t, r->data+1, ((guchar*) r->data)[0]);
160 t[((guchar*) r->data)[0]] = 0;
164 case FLX_DNS_TYPE_HINFO: {
166 gchar hi1[256], hi2[256];
169 if ((size_t) (len = ((guchar*) r->data)[0]) + 2 <= r->size) {
171 memcpy(hi1, (gchar*) r->data +1, len);
174 if ((size_t) (len2 = ((guchar*) r->data)[len+1]) + len + 2 <= r->size) {
175 memcpy(hi2, (gchar*) r->data+len+2, len2);
177 snprintf(t, sizeof(t), "'%s' '%s'", hi1, hi2);
185 case FLX_DNS_TYPE_SRV: {
193 memcpy(k, r->data+6, l);
196 snprintf(t, sizeof(t), "%u %u %u %s",
197 ntohs(((guint16*) r->data)[0]),
198 ntohs(((guint16*) r->data)[1]),
199 ntohs(((guint16*) r->data)[2]),
205 p = flx_key_to_string(r->key);
206 s = g_strdup_printf("[%s %s ; ttl=%u]", p, t, r->ttl);
212 gboolean flx_key_equal(const flxKey *a, const flxKey *b) {
216 /* g_message("equal: %p %p", a, b); */
218 return strcmp(a->name, b->name) == 0 && a->type == b->type && a->class == b->class;
221 guint flx_key_hash(const flxKey *k) {
224 return g_str_hash(k->name) + k->type + k->class;
227 gboolean flx_record_equal(const flxRecord *a, const flxRecord *b) {
231 return flx_key_equal(a->key, b->key) &&
233 a->size == b->size &&
234 memcmp(a->data, b->data, a->size) == 0;