X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-core%2Fcore.h;h=f14dc849a2edcfc7f2597c5f70b79660311c6c95;hb=9c0f9c65093cfa53d45f9b68782321eb8063a032;hp=9e2f66b89cb980df7d0e5f03f5d8723a49b3dda2;hpb=4ff0807c04fcc239de52a793bceb88e7f3408f3f;p=catta diff --git a/avahi-core/core.h b/avahi-core/core.h index 9e2f66b..f14dc84 100644 --- a/avahi-core/core.h +++ b/avahi-core/core.h @@ -1,94 +1,84 @@ #ifndef foocorehfoo #define foocorehfoo -/* $Id$ */ - /*** 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. ***/ -#include -#include +/** \file core.h The Avahi Multicast DNS and DNS Service Discovery implementation. */ /** An mDNS responder object */ typedef struct AvahiServer AvahiServer; -/** A locally registered DNS resource record */ -typedef struct AvahiEntry AvahiEntry; - -/** A group of locally registered DNS RRs */ -typedef struct AvahiEntryGroup AvahiEntryGroup; - -#include +#include +#include +#include +#include +#include #include -/** States of a server object */ -typedef enum { - AVAHI_SERVER_INVALID = -1, /**< Invalid state (initial) */ - AVAHI_SERVER_REGISTERING = 0, /**< Host RRs are being registered */ - AVAHI_SERVER_RUNNING, /**< All host RRs have been established */ - AVAHI_SERVER_COLLISION, /**< There is a collision with a host RR. All host RRs have been withdrawn, the user should set a new host name via avahi_server_set_host_name() */ - AVAHI_SERVER_SLEEPING /**< The host or domain name has changed and the server waits for old entries to be expired */ -} AvahiServerState; - -/** Flags for server entries */ -typedef enum { - AVAHI_ENTRY_NULL = 0, /**< No special flags */ - AVAHI_ENTRY_UNIQUE = 1, /**< The RRset is intended to be unique */ - AVAHI_ENTRY_NOPROBE = 2, /**< Though the RRset is intended to be unique no probes shall be sent */ - AVAHI_ENTRY_NOANNOUNCE = 4 /**< Do not announce this RR to other hosts */ -} AvahiEntryFlags; - -/** States of an entry group object */ -typedef enum { - AVAHI_ENTRY_GROUP_UNCOMMITED = -1, /**< The group has not yet been commited, the user must still call avahi_entry_group_commit() */ - AVAHI_ENTRY_GROUP_REGISTERING = 0, /**< The entries of the group are currently being registered */ - AVAHI_ENTRY_GROUP_ESTABLISHED, /**< The entries have successfully been established */ - AVAHI_ENTRY_GROUP_COLLISION /**< A name collision for one of the entries in the group has been detected, the entries have been withdrawn */ -} AvahiEntryGroupState; +AVAHI_C_DECL_BEGIN -/** Prototype for callback functions which are called whenever the state of an AvahiServer object changes */ -typedef void (*AvahiServerCallback) (AvahiServer *s, AvahiServerState state, gpointer userdata); +/** Maximum number of defined DNS servers for wide area DNS */ +#define AVAHI_WIDE_AREA_SERVERS_MAX 4 -/** Prototype for callback functions which are called whenever the state of an AvahiEntryGroup object changes */ -typedef void (*AvahiEntryGroupCallback) (AvahiServer *s, AvahiEntryGroup *g, AvahiEntryGroupState state, gpointer userdata); +/** Prototype for callback functions which are called whenever the state of an AvahiServer object changes */ +typedef void (*AvahiServerCallback) (AvahiServer *s, AvahiServerState state, void* userdata); /** Stores configuration options for a server instance */ typedef struct AvahiServerConfig { - gchar *host_name; /**< Default host name. If left empty defaults to the result of gethostname(2) of the libc */ - gchar *domain_name; /**< Default domain name. If left empty defaults to .local */ - gboolean use_ipv4; /**< Enable IPv4 support */ - gboolean use_ipv6; /**< Enable IPv6 support */ - gboolean register_hinfo; /**< Register a HINFO record for the host containing the local OS and CPU type */ - gboolean register_addresses; /**< Register A, AAAA and PTR records for all local IP addresses */ - gboolean check_response_ttl; /**< If enabled the server ignores all incoming responses with IP TTL != 255 */ - gboolean announce_domain; /**< Announce the local domain for browsing */ - gboolean use_iff_running; /**< Require IFF_RUNNING on local network interfaces. This is the official way to check for link beat. Unfortunately this doesn't work with all drivers. So bettere leave this off. */ - gboolean enable_reflector; /**< Reflect incoming mDNS traffic to all local networks. This allows mDNS based network browsing beyond ethernet borders */ - gboolean ipv_reflect; /**< if enable_reflector is TRUE, enable/disable reflecting between IPv4 and IPv6 */ + char *host_name; /**< Default host name. If left empty defaults to the result of gethostname(2) of the libc */ + char *domain_name; /**< Default domain name. If left empty defaults to .local */ + int use_ipv4; /**< Enable IPv4 support */ + int use_ipv6; /**< Enable IPv6 support */ + AvahiStringList *allow_interfaces;/**< Allow specific interface to be used for Avahi */ + AvahiStringList *deny_interfaces; /**< Deny specific interfaces to be used for Avahi */ + int publish_hinfo; /**< Register a HINFO record for the host containing the local OS and CPU type */ + int publish_addresses; /**< Register A, AAAA and PTR records for all local IP addresses */ + int publish_no_reverse; /**< Do not register PTR records */ + int publish_workstation; /**< Register a _workstation._tcp service */ + int publish_domain; /**< Announce the local domain for browsing */ + int check_response_ttl; /**< If enabled the server ignores all incoming responses with IP TTL != 255. Newer versions of the RFC do no longer contain this check, so it is disabled by default. */ + int use_iff_running; /**< Require IFF_RUNNING on local network interfaces. This is the official way to check for link beat. Unfortunately this doesn't work with all drivers. So bettere leave this off. */ + int enable_reflector; /**< Reflect incoming mDNS traffic to all local networks. This allows mDNS based network browsing beyond ethernet borders */ + int reflect_ipv; /**< if enable_reflector is 1, enable/disable reflecting between IPv4 and IPv6 */ + int add_service_cookie; /**< Add magic service cookie to all locally generated records implicitly */ + int enable_wide_area; /**< Enable wide area support */ + AvahiAddress wide_area_servers[AVAHI_WIDE_AREA_SERVERS_MAX]; /** Unicast DNS server to use for wide area lookup */ + unsigned n_wide_area_servers; /**< Number of servers in wide_area_servers[] */ + int disallow_other_stacks; /**< Make sure that only one mDNS responder is run at the same time on the local machine. If this is enable Avahi will not set SO_REUSADDR on its sockets, effectively preventing other stacks from running on the local machine */ + AvahiStringList *browse_domains; /**< Additional browsing domains */ + int disable_publishing; /**< Disable publishing of any record */ + int allow_point_to_point; /**< Enable publishing on POINTOPOINT interfaces */ + int publish_a_on_ipv6; /**< Publish an IPv4 A RR on IPv6 sockets */ + int publish_aaaa_on_ipv4; /**< Publish an IPv4 A RR on IPv6 sockets */ + unsigned n_cache_entries_max; /**< Maximum number of cache entries per interface */ + AvahiUsec ratelimit_interval; /**< If non-zero, rate-limiting interval parameter. */ + unsigned ratelimit_burst; /**< If ratelimit_interval is non-zero, rate-limiting burst parameter. */ } AvahiServerConfig; /** Allocate a new mDNS responder object. */ AvahiServer *avahi_server_new( - GMainContext *c, /**< The GLIB main loop context to attach to */ + const AvahiPoll *api, /**< The main loop adapter */ const AvahiServerConfig *sc, /**< If non-NULL a pointer to a configuration structure for the server. The server makes an internal deep copy of this structure, so you may free it using avahi_server_config_done() immediately after calling this function. */ AvahiServerCallback callback, /**< A callback which is called whenever the state of the server changes */ - gpointer userdata /**< An opaque pointer which is passed to the callback function */); + void* userdata, /**< An opaque pointer which is passed to the callback function */ + int *error); /** Free an mDNS responder object */ void avahi_server_free(AvahiServer* s); @@ -100,7 +90,7 @@ void avahi_server_free(AvahiServer* s); * release this memory make sure to call * avahi_server_config_done(). If you want to replace any strings in * the structure be sure to free the strings filled in by this - * function with g_free() first and allocate the replacements with + * function with avahi_free() first and allocate the replacements with * g_malloc() (or g_strdup()).*/ AvahiServerConfig* avahi_server_config_init( AvahiServerConfig *c /**< A structure which shall be filled in */ ); @@ -117,174 +107,60 @@ void avahi_server_config_free(AvahiServerConfig *c); * return value points to an internally allocated string. Be sure to * make a copy of the string before calling any other library * functions. */ -const gchar* avahi_server_get_domain_name(AvahiServer *s); +const char* avahi_server_get_domain_name(AvahiServer *s); /** Return the currently chosen host name. The return value points to a internally allocated string. */ -const gchar* avahi_server_get_host_name(AvahiServer *s); +const char* avahi_server_get_host_name(AvahiServer *s); /** Return the currently chosen host name as a FQDN ("fully qualified * domain name", i.e. the concatenation of the host and domain * name). The return value points to a internally allocated string. */ -const gchar* avahi_server_get_host_name_fqdn(AvahiServer *s); +const char* avahi_server_get_host_name_fqdn(AvahiServer *s); + +/** Change the host name of a running mDNS responder. This will drop +all automicatilly generated RRs and readd them with the new +name. Since the responder has to probe for the new RRs this function +takes some time to take effect altough it returns immediately. This +function is intended to be called when a host name conflict is +reported using AvahiServerCallback. The caller should readd all user +defined RRs too since they otherwise continue to point to the outdated +host name..*/ +int avahi_server_set_host_name(AvahiServer *s, const char *host_name); -void avahi_server_set_host_name(AvahiServer *s, const gchar *host_name); -void avahi_server_set_domain_name(AvahiServer *s, const gchar *domain_name); +/** Change the domain name of a running mDNS responder. The same rules + * as with avahi_server_set_host_name() apply. */ +int avahi_server_set_domain_name(AvahiServer *s, const char *domain_name); -gpointer avahi_server_get_data(AvahiServer *s); -void avahi_server_set_data(AvahiServer *s, gpointer userdata); +/** Return the opaque user data pointer attached to a server object */ +void* avahi_server_get_data(AvahiServer *s); +/** Change the opaque user data pointer attached to a server object */ +void avahi_server_set_data(AvahiServer *s, void* userdata); + +/** Return the current state of the server object */ AvahiServerState avahi_server_get_state(AvahiServer *s); -const AvahiRecord *avahi_server_iterate(AvahiServer *s, AvahiEntryGroup *g, void **state); -void avahi_server_dump(AvahiServer *s, FILE *f); - -AvahiEntryGroup *avahi_entry_group_new(AvahiServer *s, AvahiEntryGroupCallback callback, gpointer userdata); -void avahi_entry_group_free(AvahiEntryGroup *g); -void avahi_entry_group_commit(AvahiEntryGroup *g); -AvahiEntryGroupState avahi_entry_group_get_state(AvahiEntryGroup *g); -void avahi_entry_group_set_data(AvahiEntryGroup *g, gpointer userdata); -gpointer avahi_entry_group_get_data(AvahiEntryGroup *g); - -void avahi_server_add( - AvahiServer *s, - AvahiEntryGroup *g, - gint interface, - guchar protocol, - AvahiEntryFlags flags, - AvahiRecord *r); - -void avahi_server_add_ptr( - AvahiServer *s, - AvahiEntryGroup *g, - gint interface, - guchar protocol, - AvahiEntryFlags flags, - const gchar *name, - const gchar *dest); - -void avahi_server_add_address( - AvahiServer *s, - AvahiEntryGroup *g, - gint interface, - guchar protocol, - AvahiEntryFlags flags, - const gchar *name, - AvahiAddress *a); - -void avahi_server_add_text( - AvahiServer *s, - AvahiEntryGroup *g, - gint interface, - guchar protocol, - AvahiEntryFlags flags, - const gchar *name, - ... /* text records, terminated by NULL */); - -void avahi_server_add_text_va( - AvahiServer *s, - AvahiEntryGroup *g, - gint interface, - guchar protocol, - AvahiEntryFlags flags, - const gchar *name, - va_list va); - -void avahi_server_add_text_strlst( - AvahiServer *s, - AvahiEntryGroup *g, - gint interface, - guchar protocol, - AvahiEntryFlags flags, - const gchar *name, - AvahiStringList *strlst); - -void avahi_server_add_service( - AvahiServer *s, - AvahiEntryGroup *g, - gint interface, - guchar protocol, - const gchar *type, - const gchar *name, - const gchar *domain, - const gchar *host, - guint16 port, - ... /* text records, terminated by NULL */); - -void avahi_server_add_service_va( - AvahiServer *s, - AvahiEntryGroup *g, - gint interface, - guchar protocol, - const gchar *type, - const gchar *name, - const gchar *domain, - const gchar *host, - guint16 port, - va_list va); - -void avahi_server_add_service_strlst( - AvahiServer *s, - AvahiEntryGroup *g, - gint interface, - guchar protocol, - const gchar *type, - const gchar *name, - const gchar *domain, - const gchar *host, - guint16 port, - AvahiStringList *strlst); - -typedef enum { - AVAHI_BROWSER_NEW = 0, - AVAHI_BROWSER_REMOVE = -1 -} AvahiBrowserEvent; - -typedef enum { - AVAHI_RESOLVER_FOUND = 0, - AVAHI_RESOLVER_TIMEOUT = -1 -} AvahiResolverEvent; - - -typedef struct AvahiRecordBrowser AvahiRecordBrowser; -typedef void (*AvahiRecordBrowserCallback)(AvahiRecordBrowser *b, gint interface, guchar protocol, AvahiBrowserEvent event, AvahiRecord *record, gpointer userdata); -AvahiRecordBrowser *avahi_record_browser_new(AvahiServer *server, gint interface, guchar protocol, AvahiKey *key, AvahiRecordBrowserCallback callback, gpointer userdata); -void avahi_record_browser_free(AvahiRecordBrowser *b); - -typedef struct AvahiHostNameResolver AvahiHostNameResolver; -typedef void (*AvahiHostNameResolverCallback)(AvahiHostNameResolver *r, gint interface, guchar protocol, AvahiResolverEvent event, const gchar *host_name, const AvahiAddress *a, gpointer userdata); -AvahiHostNameResolver *avahi_host_name_resolver_new(AvahiServer *server, gint interface, guchar protocol, const gchar *host_name, guchar aprotocol, AvahiHostNameResolverCallback calback, gpointer userdata); -void avahi_host_name_resolver_free(AvahiHostNameResolver *r); - -typedef struct AvahiAddressResolver AvahiAddressResolver; -typedef void (*AvahiAddressResolverCallback)(AvahiAddressResolver *r, gint interface, guchar protocol, AvahiResolverEvent event, const AvahiAddress *a, const gchar *host_name, gpointer userdata); -AvahiAddressResolver *avahi_address_resolver_new(AvahiServer *server, gint interface, guchar protocol, const AvahiAddress *address, AvahiAddressResolverCallback calback, gpointer userdata); -void avahi_address_resolver_free(AvahiAddressResolver *r); - -typedef enum { - AVAHI_DOMAIN_BROWSER_REGISTER, - AVAHI_DOMAIN_BROWSER_REGISTER_DEFAULT, - AVAHI_DOMAIN_BROWSER_BROWSE, - AVAHI_DOMAIN_BROWSER_BROWSE_DEFAULT -} AvahiDomainBrowserType; - -typedef struct AvahiDomainBrowser AvahiDomainBrowser; -typedef void (*AvahiDomainBrowserCallback)(AvahiDomainBrowser *b, gint interface, guchar protocol, AvahiBrowserEvent event, const gchar *domain, gpointer userdata); -AvahiDomainBrowser *avahi_domain_browser_new(AvahiServer *server, gint interface, guchar protocol, const gchar *domain, AvahiDomainBrowserType type, AvahiDomainBrowserCallback callback, gpointer userdata); -void avahi_domain_browser_free(AvahiDomainBrowser *b); - -typedef struct AvahiServiceTypeBrowser AvahiServiceTypeBrowser; -typedef void (*AvahiServiceTypeBrowserCallback)(AvahiServiceTypeBrowser *b, gint interface, guchar protocol, AvahiBrowserEvent event, const gchar *type, const gchar *domain, gpointer userdata); -AvahiServiceTypeBrowser *avahi_service_type_browser_new(AvahiServer *server, gint interface, guchar protocol, const gchar *domain, AvahiServiceTypeBrowserCallback callback, gpointer userdata); -void avahi_service_type_browser_free(AvahiServiceTypeBrowser *b); - -typedef struct AvahiServiceBrowser AvahiServiceBrowser; -typedef void (*AvahiServiceBrowserCallback)(AvahiServiceBrowser *b, gint interface, guchar protocol, AvahiBrowserEvent event, const gchar *name, const gchar *type, const gchar *domain, gpointer userdata); -AvahiServiceBrowser *avahi_service_browser_new(AvahiServer *server, gint interface, guchar protocol, const gchar *service_type, const gchar *domain, AvahiServiceBrowserCallback callback, gpointer userdata); -void avahi_service_browser_free(AvahiServiceBrowser *b); - -typedef struct AvahiServiceResolver AvahiServiceResolver; -typedef void (*AvahiServiceResolverCallback)(AvahiServiceResolver *r, gint interface, guchar protocol, AvahiResolverEvent event, const gchar *name, const gchar *type, const gchar *domain, const gchar *host_name, const AvahiAddress *a, guint16 port, AvahiStringList *txt, gpointer userdata); -AvahiServiceResolver *avahi_service_resolver_new(AvahiServer *server, gint interface, guchar protocol, const gchar *name, const gchar *type, const gchar *domain, guchar aprotocol, AvahiServiceResolverCallback calback, gpointer userdata); -void avahi_service_resolver_free(AvahiServiceResolver *r); +/** Callback prototype for avahi_server_dump() */ +typedef void (*AvahiDumpCallback)(const char *text, void* userdata); + +/** Dump the current server status by calling "callback" for each line. */ +int avahi_server_dump(AvahiServer *s, AvahiDumpCallback callback, void* userdata); + +/** Return the last error code */ +int avahi_server_errno(AvahiServer *s); + +/** Return the local service cookie */ +uint32_t avahi_server_get_local_service_cookie(AvahiServer *s); + +/** Set the wide area DNS servers */ +int avahi_server_set_wide_area_servers(AvahiServer *s, const AvahiAddress *a, unsigned n); + +/** Set the browsing domains */ +int avahi_server_set_browse_domains(AvahiServer *s, AvahiStringList *domains); + +/** Return the current configuration of the server \since 0.6.17 */ +const AvahiServerConfig* avahi_server_get_config(AvahiServer *s); + +AVAHI_C_DECL_END #endif