#ifndef fooclienthfoo
#define fooclienthfoo
-/* $Id$ */
-
/***
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
/** \file client.h Definitions and functions for the client API over D-Bus */
-/** \example client-publish-service.c Example how to register a DNS-SD
- * service using the client interface to avahi-daemon. It behaves like a network
- * printer registering both an IPP and a BSD LPR service. */
-
-/** \example client-browse-services.c Example how to browse for DNS-SD
- * services using the client interface to avahi-daemon. */
-
-/** \example glib-integration.c Example of how to integrate
- * avahi use with GLIB/GTK applications */
-
-
-#ifndef DOXYGEN_SHOULD_SKIP_THIS
AVAHI_C_DECL_BEGIN
-#endif
/** A connection context */
typedef struct AvahiClient AvahiClient;
-/** An entry group object */
-typedef struct AvahiEntryGroup AvahiEntryGroup;
-
-/** A domain browser object */
-typedef struct AvahiDomainBrowser AvahiDomainBrowser;
-
-/** A service browser object */
-typedef struct AvahiServiceBrowser AvahiServiceBrowser;
-
-/** A service type browser object */
-typedef struct AvahiServiceTypeBrowser AvahiServiceTypeBrowser;
-
-/** A service resolver object */
-typedef struct AvahiServiceResolver AvahiServiceResolver;
-
-/** A service resolver object */
-typedef struct AvahiHostNameResolver AvahiHostNameResolver;
-
-/** An address resolver object */
-typedef struct AvahiAddressResolver AvahiAddressResolver;
-
/** States of a client object, a superset of AvahiServerState */
typedef enum {
- AVAHI_CLIENT_S_INVALID = AVAHI_SERVER_INVALID,
- AVAHI_CLIENT_S_REGISTERING = AVAHI_SERVER_REGISTERING,
- AVAHI_CLIENT_S_RUNNING = AVAHI_SERVER_RUNNING,
- AVAHI_CLIENT_S_COLLISION = AVAHI_SERVER_COLLISION,
- AVAHI_CLIENT_DISCONNECTED = 100 /**< Lost DBUS connection to the Avahi daemon */
+ AVAHI_CLIENT_S_REGISTERING = AVAHI_SERVER_REGISTERING, /**< Server state: REGISTERING */
+ AVAHI_CLIENT_S_RUNNING = AVAHI_SERVER_RUNNING, /**< Server state: RUNNING */
+ AVAHI_CLIENT_S_COLLISION = AVAHI_SERVER_COLLISION, /**< Server state: COLLISION */
+ AVAHI_CLIENT_FAILURE = 100, /**< Some kind of error happened on the client side */
+ AVAHI_CLIENT_CONNECTING = 101 /**< We're still connecting. This state is only entered when AVAHI_CLIENT_NO_FAIL has been passed to avahi_client_new() and the daemon is not yet available. */
} AvahiClientState;
+typedef enum {
+ AVAHI_CLIENT_IGNORE_USER_CONFIG = 1, /**< Don't read user configuration */
+ AVAHI_CLIENT_NO_FAIL = 2 /**< Don't fail if the daemon is not available when avahi_client_new() is called, instead enter AVAHI_CLIENT_CONNECTING state and wait for the daemon to appear */
+} AvahiClientFlags;
+
/** The function prototype for the callback of an AvahiClient */
-typedef void (*AvahiClientCallback) (AvahiClient *s, AvahiClientState state, void* userdata);
-
-/** The function prototype for the callback of an AvahiEntryGroup */
-typedef void (*AvahiEntryGroupCallback) (AvahiEntryGroup *g, AvahiEntryGroupState state, void* userdata);
-
-/** The function prototype for the callback of an AvahiDomainBrowser */
-typedef void (*AvahiDomainBrowserCallback) (AvahiDomainBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const char *domain, AvahiLookupResultFlags flags, void *userdata);
-
-/** The function prototype for the callback of an AvahiServiceBrowser */
-typedef void (*AvahiServiceBrowserCallback) (AvahiServiceBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const char *name, const char *type, const char *domain, AvahiLookupResultFlags flags, void *userdata);
-
-/** The function prototype for the callback of an AvahiServiceTypeBrowser */
-typedef void (*AvahiServiceTypeBrowserCallback) (AvahiServiceTypeBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const char *type, const char *domain, AvahiLookupResultFlags flags, void *userdata);
-
-/** The function prototype for the callback of an AvahiServiceResolver */
-typedef void (*AvahiServiceResolverCallback) (
- AvahiServiceResolver *r,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- AvahiResolverEvent event,
- const char *name,
- const char *type,
- const char *domain,
- const char *host_name,
- const AvahiAddress *a,
- uint16_t port,
- AvahiStringList *txt,
- AvahiLookupResultFlags flags,
- void *userdata);
-
-/** The function prototype for the callback of an AvahiHostNameResolver */
-typedef void (*AvahiHostNameResolverCallback) (
- AvahiHostNameResolver *r,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- AvahiResolverEvent event,
- const char *name,
- const AvahiAddress *a,
- AvahiLookupResultFlags flags,
- void *userdata);
-
-/** The function prototype for the callback of an AvahiAddressResolver */
-typedef void (*AvahiAddressResolverCallback) (
- AvahiAddressResolver *r,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- AvahiResolverEvent event,
- AvahiProtocol aprotocol,
- const AvahiAddress *a,
- const char *name,
- AvahiLookupResultFlags flags,
- void *userdata);
+typedef void (*AvahiClientCallback) (
+ AvahiClient *s,
+ AvahiClientState state /**< The new state of the client */,
+ void* userdata /**< The user data that was passed to avahi_client_new() */);
-/** Creates a new client instance */
-AvahiClient* avahi_client_new (const AvahiPoll *poll_api, AvahiClientCallback callback, void *userdata, int *error);
+/** @{ \name Construction and destruction */
-/** Free a client instance */
+/** Creates a new client instance */
+AvahiClient* avahi_client_new (
+ const AvahiPoll *poll_api /**< The abstract event loop API to use */,
+ AvahiClientFlags flags /**< Some flags to modify the behaviour of the client library */,
+ AvahiClientCallback callback /**< A callback that is called whenever the state of the client changes. This may be NULL. Please note that this function is called for the first time from within the avahi_client_new() context! Thus, in the callback you should not make use of global variables that are initialized only after your call to avahi_client_new(). A common mistake is to store the AvahiClient pointer returned by avahi_client_new() in a global variable and assume that this global variable already contains the valid pointer when the callback is called for the first time. A work-around for this is to always use the AvahiClient pointer passed to the callback function instead of the global pointer. */,
+ void *userdata /**< Some arbitrary user data pointer that will be passed to the callback function */,
+ int *error /**< If creation of the client fails, this integer will contain the error cause. May be NULL if you aren't interested in the reason why avahi_client_new() failed. */);
+
+/** Free a client instance. This will automatically free all
+ * associated browser, resolve and entry group objects. All pointers
+ * to such objects become invalid! */
void avahi_client_free(AvahiClient *client);
+/** @} */
+
+/** @{ \name Properties */
+
/** Get the version of the server */
const char* avahi_client_get_version_string (AvahiClient*);
/** Get host name */
const char* avahi_client_get_host_name (AvahiClient*);
+/** Set host name. \since 0.6.13 */
+int avahi_client_set_host_name(AvahiClient*, const char *name);
+
/** Get domain name */
const char* avahi_client_get_domain_name (AvahiClient*);
const char* avahi_client_get_host_name_fqdn (AvahiClient*);
/** Get state */
-AvahiClientState avahi_client_get_state(AvahiClient *client);
+AvahiClientState avahi_client_get_state(AvahiClient *client);
+
+/** @{ \name Error Handling */
-/** Get the last error number */
+/** Get the last error number. See avahi_strerror() for converting this error code into a human readable string. */
int avahi_client_errno (AvahiClient*);
-/** Create a new AvahiEntryGroup object */
-AvahiEntryGroup* avahi_entry_group_new (AvahiClient*, AvahiEntryGroupCallback callback, void *userdata);
-
-/** Clean up and free an AvahiEntryGroup object */
-int avahi_entry_group_free (AvahiEntryGroup *);
-
-/** Commit an AvahiEntryGroup */
-int avahi_entry_group_commit (AvahiEntryGroup*);
-
-/** Reset an AvahiEntryGroup */
-int avahi_entry_group_reset (AvahiEntryGroup*);
-
-/** Get an AvahiEntryGroup's state */
-int avahi_entry_group_get_state (AvahiEntryGroup*);
-
-/** Check if an AvahiEntryGroup is empty */
-int avahi_entry_group_is_empty (AvahiEntryGroup*);
-
-/** Get an AvahiEntryGroup's owning client instance */
-AvahiClient* avahi_entry_group_get_client (AvahiEntryGroup*);
-
-/** Add a service, takes a variable NULL terminated list of text records */
-int avahi_entry_group_add_service(
- AvahiEntryGroup *group,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *name,
- const char *type,
- const char *domain,
- const char *host,
- uint16_t port,
- ...) AVAHI_GCC_SENTINEL;
-
-/** Add a service, takes an AvahiStringList for text records */
-int avahi_entry_group_add_service_strlst(
- AvahiEntryGroup *group,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *name,
- const char *type,
- const char *domain,
- const char *host,
- uint16_t port,
- AvahiStringList *txt);
-
-/** Add a service, takes a NULL terminated va_list for text records */
-int avahi_entry_group_add_service_va(
- AvahiEntryGroup *group,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *name,
- const char *type,
- const char *domain,
- const char *host,
- uint16_t port,
- va_list va);
-
-/** Browse for domains on the local network */
-AvahiDomainBrowser* avahi_domain_browser_new (
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *domain,
- AvahiDomainBrowserType btype,
- AvahiLookupFlags flags,
- AvahiDomainBrowserCallback callback,
- void *userdata);
-
-/** Get the parent client of an AvahiDomainBrowser object */
-AvahiClient* avahi_domain_browser_get_client (AvahiDomainBrowser *);
-
-/** Cleans up and frees an AvahiDomainBrowser object */
-int avahi_domain_browser_free (AvahiDomainBrowser *);
-
-/** Browse for service types on the local network */
-AvahiServiceTypeBrowser* avahi_service_type_browser_new (
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *domain,
- AvahiLookupFlags flags,
- AvahiServiceTypeBrowserCallback callback,
- void *userdata);
-
-/** Get the parent client of an AvahiServiceTypeBrowser object */
-AvahiClient* avahi_service_type_browser_get_client (AvahiServiceTypeBrowser *);
-
-/** Cleans up and frees an AvahiServiceTypeBrowser object */
-int avahi_service_type_browser_free (AvahiServiceTypeBrowser *);
-
-/** Browse for services of a type on the local network */
-AvahiServiceBrowser* avahi_service_browser_new (
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *type,
- const char *domain,
- AvahiLookupFlags flags,
- AvahiServiceBrowserCallback callback,
- void *userdata);
-
-/** Get the parent client of an AvahiServiceBrowser object */
-AvahiClient* avahi_service_browser_get_client (AvahiServiceBrowser *);
-
-/* Cleans up and frees an AvahiServiceBrowser object */
-int avahi_service_browser_free (AvahiServiceBrowser *);
-
-/** Create a new service resolver object */
-AvahiServiceResolver * avahi_service_resolver_new(
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *name,
- const char *type,
- const char *domain,
- AvahiProtocol aprotocol,
- AvahiLookupFlags flags,
- AvahiServiceResolverCallback callback,
- void *userdata);
-
-/** Get the parent client of an AvahiServiceResolver object */
-AvahiClient* avahi_service_resolver_get_client (AvahiServiceResolver *);
-
-/** Free a service resolver object */
-int avahi_service_resolver_free(AvahiServiceResolver *r);
-
-/** Create a new hostname resolver object */
-AvahiHostNameResolver * avahi_host_name_resolver_new(
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *name,
- AvahiProtocol aprotocol,
- AvahiLookupFlags flags,
- AvahiHostNameResolverCallback callback,
- void *userdata);
-
-/** Get the parent client of an AvahiHostNameResolver object */
-AvahiClient* avahi_host_name_resolver_get_client (AvahiHostNameResolver *);
-
-/** Free a hostname resolver object */
-int avahi_host_name_resolver_free(AvahiHostNameResolver *r);
-
-/** Create a new address resolver object from an address string. Set aprotocol to AF_UNSPEC for protocol detection. */
-AvahiAddressResolver * avahi_address_resolver_new(
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *address,
- AvahiLookupFlags flags,
- AvahiAddressResolverCallback callback,
- void *userdata);
-
-/** Create a new address resolver object from an AvahiAddress object */
-AvahiAddressResolver* avahi_address_resolver_new_a(
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const AvahiAddress *a,
- AvahiLookupFlags flags,
- AvahiAddressResolverCallback callback,
- void *userdata);
-
-/** Get the parent client of an AvahiAddressResolver object */
-AvahiClient* avahi_address_resolver_get_client (AvahiAddressResolver *);
-
-/** Free a AvahiAddressResolver resolver object */
-int avahi_address_resolver_free(AvahiAddressResolver *r);
+/** @} */
+/** \cond fulldocs */
/** Return the local service cookie. returns AVAHI_SERVICE_COOKIE_INVALID on failure. */
uint32_t avahi_client_get_local_service_cookie(AvahiClient *client);
+/** \endcond */
-/** Return 1 if the specified service is a registered locally, negative on failure, 0 otherwise. */
-int avahi_client_is_service_local(AvahiClient *client, AvahiIfIndex interface, AvahiProtocol protocol, const char *name, const char *type, const char *domain);
+/** @{ \name Libc NSS Support */
+
+/** Return 1 if gethostbyname() supports mDNS lookups, 0 otherwise. \since 0.6.5 */
+int avahi_nss_support(void);
+
+/** @} */
-#ifndef DOXYGEN_SHOULD_SKIP_THIS
AVAHI_C_DECL_END
-#endif
#endif