* Split out a fair bit of avahi-core into avahi-common for use by the client library

git-svn-id: file:///home/lennart/svn/public/avahi/trunk@98 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe

1 files changed, 0 insertions, 551 deletions

diff --git a/avahi-core/rr.c b/avahi-core/rr.c
deleted file mode 100644
index c7f7d2c..0000000
--- a/avahi-core/rr.c
+++ /dev/null
@@ -1,551 +0,0 @@
-/* $Id$ */
-
-/***
-  This file is part of avahi.
- 
-  avahi is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as
-  published by the Free Software Foundation; either version 2.1 of the
-  License, or (at your option) any later version.
- 
-  avahi is distributed in the hope that it will be useful, but WITHOUT
-  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
-  Public License for more details.
- 
-  You should have received a copy of the GNU Lesser General Public
-  License along with avahi; if not, write to the Free Software
-  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
-  USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <string.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-
-#include "util.h"
-#include "rr.h"
-#include "dns.h"
-
-AvahiKey *avahi_key_new(const gchar *name, guint16 class, guint16 type) {
-    AvahiKey *k;
-    g_assert(name);
-
-    k = g_new(AvahiKey, 1);
-    k->ref = 1;
-    k->name = avahi_normalize_name(name);    
-    k->class = class;
-    k->type = type;
-
-/*     g_message("%p %% ref=1", k); */
-    
-    return k;
-}
-
-AvahiKey *avahi_key_ref(AvahiKey *k) {
-    g_assert(k);
-    g_assert(k->ref >= 1);
-
-    k->ref++;
-
-/*     g_message("%p ++ ref=%i", k, k->ref); */
-
-    return k;
-}
-
-void avahi_key_unref(AvahiKey *k) {
-    g_assert(k);
-    g_assert(k->ref >= 1);
-
-/*     g_message("%p -- ref=%i", k, k->ref-1); */
-    
-    if ((--k->ref) <= 0) {
-        g_free(k->name);
-        g_free(k);
-    }
-}
-
-AvahiRecord *avahi_record_new(AvahiKey *k) {
-    AvahiRecord *r;
-    
-    g_assert(k);
-    
-    r = g_new(AvahiRecord, 1);
-    r->ref = 1;
-    r->key = avahi_key_ref(k);
-
-    memset(&r->data, 0, sizeof(r->data));
-
-    r->ttl = AVAHI_DEFAULT_TTL;
-
-    return r;
-}
-
-AvahiRecord *avahi_record_new_full(const gchar *name, guint16 class, guint16 type) {
-    AvahiRecord *r;
-    AvahiKey *k;
-
-    g_assert(name);
-    
-    k = avahi_key_new(name, class, type);
-    r = avahi_record_new(k);
-    avahi_key_unref(k);
-
-    return r;
-}
-
-AvahiRecord *avahi_record_ref(AvahiRecord *r) {
-    g_assert(r);
-    g_assert(r->ref >= 1);
-
-    r->ref++;
-    return r;
-}
-
-void avahi_record_unref(AvahiRecord *r) {
-    g_assert(r);
-    g_assert(r->ref >= 1);
-
-    if ((--r->ref) <= 0) {
-        switch (r->key->type) {
-
-            case AVAHI_DNS_TYPE_SRV:
-                g_free(r->data.srv.name);
-                break;
-
-            case AVAHI_DNS_TYPE_PTR:
-            case AVAHI_DNS_TYPE_CNAME:
-                g_free(r->data.ptr.name);
-                break;
-
-            case AVAHI_DNS_TYPE_HINFO:
-                g_free(r->data.hinfo.cpu);
-                g_free(r->data.hinfo.os);
-                break;
-
-            case AVAHI_DNS_TYPE_TXT:
-                avahi_string_list_free(r->data.txt.string_list);
-                break;
-
-            case AVAHI_DNS_TYPE_A:
-            case AVAHI_DNS_TYPE_AAAA:
-                break;
-            
-            default:
-                g_free(r->data.generic.data);
-        }
-        
-        avahi_key_unref(r->key);
-        g_free(r);
-    }
-}
-
-const gchar *avahi_dns_class_to_string(guint16 class) {
-    if (class & AVAHI_DNS_CACHE_FLUSH) 
-        return "FLUSH";
-    
-    if (class == AVAHI_DNS_CLASS_IN)
-        return "IN";
-
-    return NULL;
-}
-
-const gchar *avahi_dns_type_to_string(guint16 type) {
-    switch (type) {
-        case AVAHI_DNS_TYPE_CNAME:
-            return "CNAME";
-        case AVAHI_DNS_TYPE_A:
-            return "A";
-        case AVAHI_DNS_TYPE_AAAA:
-            return "AAAA";
-        case AVAHI_DNS_TYPE_PTR:
-            return "PTR";
-        case AVAHI_DNS_TYPE_HINFO:
-            return "HINFO";
-        case AVAHI_DNS_TYPE_TXT:
-            return "TXT";
-        case AVAHI_DNS_TYPE_SRV:
-            return "SRV";
-        case AVAHI_DNS_TYPE_ANY:
-            return "ANY";
-        default:
-            return NULL;
-    }
-}
-
-
-gchar *avahi_key_to_string(const AvahiKey *k) {
-    g_assert(k);
-    g_assert(k->ref >= 1);
-    
-    return g_strdup_printf("%s\t%s\t%s",
-                           k->name,
-                           avahi_dns_class_to_string(k->class),
-                           avahi_dns_type_to_string(k->type));
-}
-
-gchar *avahi_record_to_string(const AvahiRecord *r) {
-    gchar *p, *s;
-    char buf[257], *t = NULL, *d = NULL;
-
-    g_assert(r);
-    g_assert(r->ref >= 1);
-    
-    switch (r->key->type) {
-        case AVAHI_DNS_TYPE_A:
-            inet_ntop(AF_INET, &r->data.a.address.address, t = buf, sizeof(buf));
-            break;
-            
-        case AVAHI_DNS_TYPE_AAAA:
-            inet_ntop(AF_INET6, &r->data.aaaa.address.address, t = buf, sizeof(buf));
-            break;
-            
-        case AVAHI_DNS_TYPE_PTR:
-        case AVAHI_DNS_TYPE_CNAME :
-
-            t = r->data.ptr.name;
-            break;
-
-        case AVAHI_DNS_TYPE_TXT:
-            t = d = avahi_string_list_to_string(r->data.txt.string_list);
-            break;
-
-        case AVAHI_DNS_TYPE_HINFO:
-
-            snprintf(t = buf, sizeof(buf), "\"%s\" \"%s\"", r->data.hinfo.cpu, r->data.hinfo.os);
-            break;
-
-        case AVAHI_DNS_TYPE_SRV:
-
-            snprintf(t = buf, sizeof(buf), "%u %u %u %s",
-                     r->data.srv.priority,
-                     r->data.srv.weight,
-                     r->data.srv.port,
-                     r->data.srv.name);
-
-            break;
-    }
-
-    p = avahi_key_to_string(r->key);
-    s = g_strdup_printf("%s %s ; ttl=%u", p, t ? t : "<unparsable>", r->ttl);
-    g_free(p);
-    g_free(d);
-    
-    return s;
-}
-
-gboolean avahi_key_equal(const AvahiKey *a, const AvahiKey *b) {
-    g_assert(a);
-    g_assert(b);
-
-    if (a == b)
-        return TRUE;
-    
-/*     g_message("equal: %p %p", a, b); */
-    
-    return avahi_domain_equal(a->name, b->name) &&
-        a->type == b->type &&
-        a->class == b->class;
-}
-
-gboolean avahi_key_pattern_match(const AvahiKey *pattern, const AvahiKey *k) {
-    g_assert(pattern);
-    g_assert(k);
-
-/*     g_message("equal: %p %p", a, b); */
-
-    g_assert(!avahi_key_is_pattern(k));
-
-    if (pattern == k)
-        return TRUE;
-    
-    return avahi_domain_equal(pattern->name, k->name) &&
-        (pattern->type == k->type || pattern->type == AVAHI_DNS_TYPE_ANY) &&
-        pattern->class == k->class;
-}
-
-gboolean avahi_key_is_pattern(const AvahiKey *k) {
-    g_assert(k);
-
-    return k->type == AVAHI_DNS_TYPE_ANY;
-}
-
-
-guint avahi_key_hash(const AvahiKey *k) {
-    g_assert(k);
-
-    return
-        avahi_domain_hash(k->name) + 
-        k->type +
-        k->class;
-}
-
-static gboolean rdata_equal(const AvahiRecord *a, const AvahiRecord *b) {
-    g_assert(a);
-    g_assert(b);
-    g_assert(a->key->type == b->key->type);
-
-/*     t = avahi_record_to_string(a); */
-/*     g_message("comparing %s", t); */
-/*     g_free(t); */
-
-/*     t = avahi_record_to_string(b); */
-/*     g_message("and %s", t); */
-/*     g_free(t); */
-
-    
-    switch (a->key->type) {
-        case AVAHI_DNS_TYPE_SRV:
-            return
-                a->data.srv.priority == b->data.srv.priority &&
-                a->data.srv.weight == b->data.srv.weight &&
-                a->data.srv.port == b->data.srv.port &&
-                avahi_domain_equal(a->data.srv.name, b->data.srv.name);
-
-        case AVAHI_DNS_TYPE_PTR:
-        case AVAHI_DNS_TYPE_CNAME:
-            return avahi_domain_equal(a->data.ptr.name, b->data.ptr.name);
-
-        case AVAHI_DNS_TYPE_HINFO:
-            return
-                !g_utf8_collate(a->data.hinfo.cpu, b->data.hinfo.cpu) &&
-                !g_utf8_collate(a->data.hinfo.os, b->data.hinfo.os);
-
-        case AVAHI_DNS_TYPE_TXT:
-            return avahi_string_list_equal(a->data.txt.string_list, b->data.txt.string_list);
-
-        case AVAHI_DNS_TYPE_A:
-            return memcmp(&a->data.a.address, &b->data.a.address, sizeof(AvahiIPv4Address)) == 0;
-
-        case AVAHI_DNS_TYPE_AAAA:
-            return memcmp(&a->data.aaaa.address, &b->data.aaaa.address, sizeof(AvahiIPv6Address)) == 0;
-
-        default:
-            return a->data.generic.size == b->data.generic.size &&
-                (a->data.generic.size == 0 || memcmp(a->data.generic.data, b->data.generic.data, a->data.generic.size) == 0);
-    }
-    
-}
-
-gboolean avahi_record_equal_no_ttl(const AvahiRecord *a, const AvahiRecord *b) {
-    g_assert(a);
-    g_assert(b);
-
-    if (a == b)
-        return TRUE;
-
-    return
-        avahi_key_equal(a->key, b->key) &&
-        rdata_equal(a, b);
-}
-
-
-AvahiRecord *avahi_record_copy(AvahiRecord *r) {
-    AvahiRecord *copy;
-
-    copy = g_new(AvahiRecord, 1);
-    copy->ref = 1;
-    copy->key = avahi_key_ref(r->key);
-    copy->ttl = r->ttl;
-
-    switch (r->key->type) {
-        case AVAHI_DNS_TYPE_PTR:
-        case AVAHI_DNS_TYPE_CNAME:
-            copy->data.ptr.name = g_strdup(r->data.ptr.name);
-            break;
-
-        case AVAHI_DNS_TYPE_SRV:
-            copy->data.srv.priority = r->data.srv.priority;
-            copy->data.srv.weight = r->data.srv.weight;
-            copy->data.srv.port = r->data.srv.port;
-            copy->data.srv.name = g_strdup(r->data.srv.name);
-            break;
-
-        case AVAHI_DNS_TYPE_HINFO:
-            copy->data.hinfo.os = g_strdup(r->data.hinfo.os);
-            copy->data.hinfo.cpu = g_strdup(r->data.hinfo.cpu);
-            break;
-
-        case AVAHI_DNS_TYPE_TXT:
-            copy->data.txt.string_list = avahi_string_list_copy(r->data.txt.string_list);
-            break;
-
-        case AVAHI_DNS_TYPE_A:
-            copy->data.a.address = r->data.a.address;
-            break;
-
-        case AVAHI_DNS_TYPE_AAAA:
-            copy->data.aaaa.address = r->data.aaaa.address;
-            break;
-
-        default:
-            copy->data.generic.data = g_memdup(r->data.generic.data, r->data.generic.size);
-            copy->data.generic.size = r->data.generic.size;
-            break;
-                
-    }
-
-    return copy;
-}
-
-
-guint avahi_key_get_estimate_size(AvahiKey *k) {
-    g_assert(k);
-
-    return strlen(k->name)+1+4;
-}
-
-guint avahi_record_get_estimate_size(AvahiRecord *r) {
-    guint n;
-    g_assert(r);
-
-    n = avahi_key_get_estimate_size(r->key) + 4 + 2;
-
-    switch (r->key->type) {
-        case AVAHI_DNS_TYPE_PTR:
-        case AVAHI_DNS_TYPE_CNAME:
-            n += strlen(r->data.ptr.name) + 1;
-            break;
-
-        case AVAHI_DNS_TYPE_SRV:
-            n += 6 + strlen(r->data.srv.name) + 1;
-            break;
-
-        case AVAHI_DNS_TYPE_HINFO:
-            n += strlen(r->data.hinfo.os) + 1 + strlen(r->data.hinfo.cpu) + 1;
-            break;
-
-        case AVAHI_DNS_TYPE_TXT:
-            n += avahi_string_list_serialize(r->data.txt.string_list, NULL, 0);
-            break;
-
-        case AVAHI_DNS_TYPE_A:
-            n += sizeof(AvahiIPv4Address);
-            break;
-
-        case AVAHI_DNS_TYPE_AAAA:
-            n += sizeof(AvahiIPv6Address);
-            break;
-
-        default:
-            n += r->data.generic.size;
-    }
-
-    return n;
-}
-
-static gint lexicographical_memcmp(gconstpointer a, size_t al, gconstpointer b, size_t bl) {
-    size_t c;
-    gint ret;
-    
-    g_assert(a);
-    g_assert(b);
-
-    c = al < bl ? al : bl;
-    if ((ret = memcmp(a, b, c)))
-        return ret;
-
-    if (al == bl)
-        return 0;
-    else
-        return al == c ? 1 : -1;
-}
-
-static gint uint16_cmp(guint16 a, guint16 b) {
-    return a == b ? 0 : (a < b ? -1 : 1);
-}
-
-gint avahi_record_lexicographical_compare(AvahiRecord *a, AvahiRecord *b) {
-    gint r;
-/*      gchar *t1, *t2; */
-
-    g_assert(a);
-    g_assert(b);
-
-/*     t1 = avahi_record_to_string(a); */
-/*     t2 = avahi_record_to_string(b); */
-/*     g_message("lexicocmp: %s %s", t1, t2); */
-/*     g_free(t1); */
-/*     g_free(t2); */
-
-    if (a == b)
-        return 0;
-
-    if ((r = uint16_cmp(a->key->class, b->key->class)) ||
-        (r = uint16_cmp(a->key->type, b->key->type)))
-        return r;
-
-    switch (a->key->type) {
-
-        case AVAHI_DNS_TYPE_PTR:
-        case AVAHI_DNS_TYPE_CNAME:
-            return avahi_binary_domain_cmp(a->data.ptr.name, b->data.ptr.name);
-
-        case AVAHI_DNS_TYPE_SRV: {
-            if ((r = uint16_cmp(a->data.srv.priority, b->data.srv.priority)) == 0 &&
-                (r = uint16_cmp(a->data.srv.weight, b->data.srv.weight)) == 0 &&
-                (r = uint16_cmp(a->data.srv.port, b->data.srv.port)) == 0)
-                r = avahi_binary_domain_cmp(a->data.srv.name, b->data.srv.name);
-            
-            return r;
-        }
-
-        case AVAHI_DNS_TYPE_HINFO: {
-
-            if ((r = strcmp(a->data.hinfo.cpu, b->data.hinfo.cpu)) ||
-                (r = strcmp(a->data.hinfo.os, b->data.hinfo.os)))
-                return r;
-
-            return 0;
-
-        }
-
-        case AVAHI_DNS_TYPE_TXT: {
-
-            guint8 *ma, *mb;
-            guint asize, bsize;
-
-            ma = g_new(guint8, asize = avahi_string_list_serialize(a->data.txt.string_list, NULL, 0));
-            mb = g_new(guint8, bsize = avahi_string_list_serialize(b->data.txt.string_list, NULL, 0));
-            avahi_string_list_serialize(a->data.txt.string_list, ma, asize);
-            avahi_string_list_serialize(b->data.txt.string_list, mb, bsize);
-
-            if (asize && bsize)
-                r = lexicographical_memcmp(ma, asize, mb, bsize);
-            else if (asize && !bsize)
-                r = 1;
-            else if (!asize && bsize)
-                r = -1;
-            else
-                r = 0;
-            
-            g_free(ma);
-            g_free(mb);
-
-            return r;
-        }
-        
-        case AVAHI_DNS_TYPE_A:
-            return memcmp(&a->data.a.address, &b->data.a.address, sizeof(AvahiIPv4Address));
-
-        case AVAHI_DNS_TYPE_AAAA:
-            return memcmp(&a->data.aaaa.address, &b->data.aaaa.address, sizeof(AvahiIPv6Address));
-
-        default:
-            return lexicographical_memcmp(a->data.generic.data, a->data.generic.size,
-                                          b->data.generic.data, b->data.generic.size);
-    }
-    
-}
-
-gboolean avahi_record_is_goodbye(AvahiRecord *r) {
-    g_assert(r);
-
-    return r->ttl == 0;
-}