X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-common%2Faddress.h;h=6315d3173350c498fb4083b2b15da4442ff6bcf2;hb=1b00ed03e1a2903b01565e270300f35c3d7db1ae;hp=5523a7233ac77039655df2e8f4c7f2436f4f8631;hpb=5867849876e19996fd05a0d4917cb739904519c1;p=catta diff --git a/avahi-common/address.h b/avahi-common/address.h index 5523a72..6315d31 100644 --- a/avahi-common/address.h +++ b/avahi-common/address.h @@ -24,8 +24,8 @@ /** \file address.h Definitions and functions to manipulate IP addresses. */ -#include #include +#include #include @@ -46,9 +46,12 @@ enum { /** Special values for AvahiIfIndex */ enum { - AVAHI_IF_UNSPEC = -1, /**< Unspecified/all interface(s) */ + AVAHI_IF_UNSPEC = -1 /**< Unspecified/all interface(s) */ }; +/** Maximum size of an address in string form */ +#define AVAHI_ADDRESS_STR_MAX 40 /* IPv6 Max = 4*8 + 7 + 1 for NUL */ + /** Return TRUE if the specified interface index is valid */ #define AVAHI_IF_VALID(ifindex) (((ifindex) >= 0) || ((ifindex) == AVAHI_PROTO_UNSPEC)) @@ -56,34 +59,30 @@ enum { #define AVAHI_PROTO_VALID(protocol) (((protocol) == AVAHI_PROTO_INET) || ((protocol) == AVAHI_PROTO_INET6) || ((protocol) == AVAHI_PROTO_UNSPEC)) /** An IPv4 address */ -typedef struct { +typedef struct AvahiIPv4Address { uint32_t address; /**< Address data in network byte order. */ } AvahiIPv4Address; - /** An IPv6 address */ -typedef struct { +typedef struct AvahiIPv6Address { uint8_t address[16]; /**< Address data */ } AvahiIPv6Address; /** Protocol (address family) independent address structure */ -typedef struct { +typedef struct AvahiAddress { AvahiProtocol proto; /**< Address family */ union { AvahiIPv6Address ipv6; /** Address when IPv6 */ AvahiIPv4Address ipv4; /** Address when IPv4 */ - uint8_t data[1]; /** Type independant data field */ + uint8_t data[1]; /** Type independant data field */ } data; } AvahiAddress; -/** 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); -/** Convert the specified address *a to a human readable character string */ +/** Convert the specified address *a to a human readable character string, use AVAHI_ADDRESS_STR_MAX to allocate an array of the right size */ char *avahi_address_snprint(char *ret_s, size_t length, const AvahiAddress *a); /** Convert the specifeid human readable character string to an @@ -91,24 +90,8 @@ char *avahi_address_snprint(char *ret_s, size_t length, const AvahiAddress *a); * 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); - -/** 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); +/** Generate the DNS reverse lookup name for an IPv4 or IPv6 address. */ +char* avahi_reverse_lookup_name(const AvahiAddress *a, char *ret_s, size_t length); /** Map AVAHI_PROTO_xxx constants to Unix AF_xxx constants */ int avahi_proto_to_af(AvahiProtocol proto);