X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-common%2Faddress.h;h=60495a327c71ab1c594e6c09e8c539f565c13332;hb=e8e2707e96c08eda0ec6df2510dae4e6c71111ed;hp=22cb74b8633ec5813be1e79d6e6f7e6c521fc82a;hpb=c5544522f6409095627dc3d1129560195ab4ec40;p=catta

diff --git a/avahi-common/address.h b/avahi-common/address.h
index 22cb74b..60495a3 100644
--- a/avahi-common/address.h
+++ b/avahi-common/address.h
@@ -22,41 +22,87 @@
   USA.
 ***/
 
+/** \file address.h Definitions and functions to manipulate IP addresses. */
+
 #include <sys/socket.h>
-#include <glib.h>
+#include <inttypes.h>
+
+#include <avahi-common/cdecl.h>
+
+AVAHI_C_DECL_BEGIN
+
+/** Protocol family specification, takes the values AVAHI_INET, AVAHI_INET6, AVAHI_UNSPEC */
+typedef unsigned char AvahiProtocol;
+
+/** Numeric network interface index. Takes OS dependent values and the special constant AVAHI_IF_UNSPEC  */
+typedef int AvahiIfIndex;
+
+/** Values for AvahiProtocol */
+enum {
+    AVAHI_PROTO_INET = AF_INET,     /**< IPv4 */
+    AVAHI_PROTO_INET6 = AF_INET6,   /**< IPv6 */
+    AVAHI_PROTO_UNSPEC = AF_UNSPEC  /**< Unspecified/all protocol(s) */
+};
 
+/** Special values for AvahiIfIndex */
+enum {
+    AVAHI_IF_UNSPEC = -1 /**< Unspecifed/all interfaces */
+};
+
+/** An IPv4 address */
 typedef struct {
-    guint32 address;
+    uint32_t address; /**< Address data in network byte order. */
 } AvahiIPv4Address;
 
+/** An IPv6 address */
 typedef struct {
-    guint8 address[16];
+    uint8_t address[16]; /**< Address data */
 } AvahiIPv6Address;
 
+/** Protocol (address family) independent address structure */
 typedef struct {
-    guchar family;
+    AvahiProtocol family; /**< Address family */
 
     union {
-        AvahiIPv6Address ipv6;
-        AvahiIPv4Address ipv4;
-        guint8 data[1];
+        AvahiIPv6Address ipv6;  /** Address when IPv6 */
+        AvahiIPv4Address ipv4;  /** Address when IPv4 */
+        uint8_t data[1];         /** Type independant data field */
     } data;
 } AvahiAddress;
 
-guint avahi_address_get_size(const AvahiAddress *a);
-gint avahi_address_cmp(const AvahiAddress *a, const AvahiAddress *b);
+/** Return the address data size of the specified address. (4 for IPv4, 16 for IPv6) */
+size_t avahi_address_get_size(const AvahiAddress *a);
+
+/** Compare two addresses. Returns 0 when equal, a negative value when a < b, a positive value when a > b. */
+int avahi_address_cmp(const AvahiAddress *a, const AvahiAddress *b);
 
-gchar *avahi_address_snprint(char *ret_s, guint length, const AvahiAddress *a);
+/** Convert the specified address *a to a human readable character string */
+char *avahi_address_snprint(char *ret_s, size_t length, const AvahiAddress *a);
 
-AvahiAddress *avahi_address_parse(const char *s, guchar family, AvahiAddress *ret_addr);
+/** Convert the specifeid human readable character string to an
+ * address structure. Set af to AVAHI_UNSPEC for automatic address
+ * family detection. */
+AvahiAddress *avahi_address_parse(const char *s, AvahiProtocol af, AvahiAddress *ret_addr);
 
+/** Make an address structture of a sockaddr structure */
 AvahiAddress *avahi_address_from_sockaddr(const struct sockaddr* sa, AvahiAddress *ret_addr);
-guint16 avahi_port_from_sockaddr(const struct sockaddr* sa);
 
-gchar* avahi_reverse_lookup_name_ipv4(const AvahiIPv4Address *a);
-gchar* avahi_reverse_lookup_name_ipv6_arpa(const AvahiIPv6Address *a);
-gchar* avahi_reverse_lookup_name_ipv6_int(const AvahiIPv6Address *a);
+/** Return the port number of a sockaddr structure (either IPv4 or IPv6) */
+uint16_t avahi_port_from_sockaddr(const struct sockaddr* sa);
+
+/** Generate the DNS reverse lookup name for an IPv4 address. g_free() the result! */
+char* avahi_reverse_lookup_name_ipv4(const AvahiIPv4Address *a);
+
+/** Generate the modern DNS reverse lookup name for an IPv6 address, ending in ipv6.arpa. g_free() the result! */
+char* avahi_reverse_lookup_name_ipv6_arpa(const AvahiIPv6Address *a);
+
+/** Generate the historic DNS reverse lookup name for an IPv6 address, ending in ipv6.int. g_free() the result! */
+char* avahi_reverse_lookup_name_ipv6_int(const AvahiIPv6Address *a);
+
+/** Check whether the specified IPv6 address is in fact an
+ * encapsulated IPv4 address, returns 1 if yes, 0 otherwise */
+int avahi_address_is_ipv4_in_ipv6(const AvahiAddress *a);
 
-gboolean avahi_address_is_ipv4_in_ipv6(const AvahiAddress *a);
+AVAHI_C_DECL_END
 
 #endif